Antibacterial finishing agent, finishing method and fabric product
An antibacterial finishing agent and fabric technology, which is applied in fiber treatment, biochemical fiber treatment, textiles and papermaking, etc., can solve problems such as difficult to achieve anti-virus function, unsatisfactory finishing effect, and low comfort, so as to protect human health and reduce costs. Low, high flexibility effect
Pending Publication Date: 2021-07-23
LUOLAI LIFESTYLE TECH CO LTD +1
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AI-Extracted Technical Summary
Problems solved by technology
[0003] At present, although there are also antibacterial and antiviral effects on textiles through post-finishing processing methods on the market, on the one hand, their application is mainly through silver ions, cupro ammonia fibers, etc., which are not only expensive but also low in reliability. The post-effect declines or even loses the effect, and it is di...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreMethod used
As shown in Figure 1 and Figure 3, described first adhesive layer 120 is positioned on described base cloth 110, to bond described base cloth 110 and described virus inactivation layer 130, described first adhesive Layer 120 has first air holes 120a, the first air holes 120a are evenly distributed on the first adhesive layer 120, the diameter of which is smaller than the diameter of water molecules, for example, the diameter of the first air holes 120a is 0.01-0.1 mm, such as 0.01mm, 0.06mm, 0.1mm, so that only gas molecules are allowed to pass through, but water molecules and viruses cannot pass through, which plays a breathable role. Based on the viewpoint of safety, environmental protection and skin-friendly, the first adhesive layer 120 can be It is an acrylic adhesive layer, a silicone adhesive layer, or a polyurethane adhesive layer. For example, it can be formed by coating the corresponding first adhesive on the base cloth 110, and further mixing a foaming agent to form a first air-permeable hole 120a. The thickness of the first adhesive layer 120 is 0.1-1mm, such as 0.1mm, 0.3mm, 0.5mm.
As shown in Figure 10, this polyquaternium/aloe antibacterial fiber is particularly suitable for towels, such as on the home textile products such as bath towel, face towel, square towel etc., described this polyquaternium/aloe antibacterial fiber can be with other The natural fiber is blended and finally constitutes the pile layer 212a around the base layer 212b in the towel product, so as to directly rub against the skin and have a soft touch. The blending process, for example, can wrap the polyquaternium/aloe antibacterial fiber and other fibers such as natural fibers On the rollers of the blending machine, blending and weaving can be carried out, and then the composite fiber fabric is obtained through drafting, washing, and drying. After the composite fabric is finished with the above-mentioned antibacterial finishing agent, the antibacterial effect is obvious, and further Reduce the use of quaternary ammonium salts/aloe vera antibacterial fibers, thereby effectively reducing costs, and then the fiber fabrics can be used with reference to GB15979-2002 "Hygienic Standards for Disposable Sanitary Products" Dissolution antibacterial (antibacterial) product antibacterial performance test method According to tests, the antibacterial effects on Escherichia coli, Staphylococcus aureus, and Propionibacterium acnes are all above 95%. Further, the breaking strength of the fiber is 0.7~1.2cN/dtex, such as 0.9cN/dtex, and the breaking elongation The elongation is 25-40%, for example 35%.
As shown in Figure 11, then execute step S403, above-mentioned blending microcapsule is added to the spinning solution of sodium alginate, such as in the sodium hydroxide solution of sodium alginate, after fully stirring, dissolving, filtering, Carry out spinning, this spinning process can adopt wet spinning for example, and through such as zinc sulfate coagulation bath spinning forming, then the gained fiber is cleaned, desulfurized, oiled, dried, promptly obtains described chitosan quaternary ammonium Salt/seaweed complex antimicrobial fibers. The sodium alginate is a natural linear polymer formed by connecting β-D-mannuronic acid (M segment) and α-L-guluronic acid (G segment) through 1-4 glycosidic bonds, and has good Antibacterial and hygroscopic.
As shown in Figure 12 to Figure 13, in another specific embodiment that the present invention discloses, described lining 214 for example comprises sheath-core type corn fiber/polyester composite antibacterial fiber, and it utilizes the shrinkage of core layer corn fiber characteristics, so that a space is formed between the skin layer and the core layer of the polyester fiber, and then the functional groups on the antibacterial additives can react with the functional groups of the fiber raw materials on the skin layer and the core layer to form a stable covalent bond, thus stably exerting Antibacterial effect, in addition, corn fiber is converted into lactic acid by fermentation of corn starch, and polymerized to form a polymer, which is melted into the corn fiber melt, which has good drapability, slipperiness, moisture absorption and breathability, natural Bacteriostasis and good heat resistance and anti-ultraviolet function, when used as the core layer, it plays the role of supporting the skeleton, ensuring that the skin-core corn fiber/polyester composite antibacterial fiber can not only have good antibacterial properties, but also With the above-mentioned functions, especially the drape feeling and anti-ultraviolet properties, it guarantees satisfactory appearance and practicality when applied to home textile products, especially curtains.
As shown in Figure 15, in steps S601~605 as described above, described cotton fiber adopts untwisted yarn, further, this untwisted yarn is the yarn that count is 30~80, promotes The softness of the towel makes it suitable for infants and young children. The yarn antibacterial finishing solution comprises the following components in parts by weight: 0.01-0.1% by weight of polyquaternium salt, 5-20% by weight of aloe extract, 1-5% by weight of alcohol, 3-15% of moisturizing agent, thickener Agent 1 ~ 10% and the balance of deionized water. Within the above range, effective active ingredients based on polyquaternium and aloe vera extract can help promote skin repair and antibacterial action. The polyquaternium is selected from polyquaternium-6, polyquaternium-7, polyquaternium-10, polyquaternium-22, polyquaternium-39, polyquaternium-47, One of polyquaternium-76 or any combination of the above. Further, the polyquaternium is selected from polyquaternium-6 and polyquaternium-22 with a weight ratio of 1:3.
As shown in Figure 5 and Figure 6, described organosilicon foaming agent is used for the composition of described antibacterial finishing agent is foamed, thereby when impregnated on a lining 210, finishing layer 220,230 has The pore structure ensures the immobilization and adsorption of virus molecules, which further facilitates its fire extinguishing. The organosilicon blowing agent is, for example, a polymer containing a segmented structure of organosiloxane (-(Si-O)n-), and the side chain of the segment is a hydrocarbon or a substituted hydrocarbon connected to a silicon atom. Organic groups can be methyl, vinyl or other groups, and the segment structure n of organosiloxane is, for example, 100 to 400, such as 120, 300, so as to ensure the length and molecular weight of the molecular chain of the polymer , to ensure the foaming effect and air permeability, through the foaming action of the silicone foaming agent provided by the present invention, the foaming pore diameter of the antibacterial finishing agent in the fabric layer is, for example, 0.01 to 0.1mm, such as 0.01mm , 0.06mm, 0.1mm, so that only gas molecules are allowed to pass through, but water molecules and viruses cannot pass through, which plays a breathable role.
As shown in Figure 5 to Figure 6, in steps S1~S3, described antibacterial finishing agent utilizes polyurethane emulsion, charged diatomite, foaming agent and organosilicon coupling agent as finishing agent, thus described When the antibacterial finishing agent is finishing the fabric 210, the finishing film layers 211, 212 are formed on the surface of the fabric 210, which ensures the adhesion to the fabric 210, and the interlayer adhesion is greater than or equal to 10N/cm. Further, based on these finishing The agent adsorbs and fixes the virus on the fabric 210, and fully activates it, especially in the early stage of virus transmission, it can effectively control, block the transmission, and protect human health.
As shown in Figure 5, silk protein can also be included in the composition of described antibacterial finishing agent, to further improve the adhesion and compatibility of described antibacterial finishing agent to fabric 210, based on described antibacterial finishing agent Based on the content of each component, the content of the silk protein is 5-15% by weight. Further, in some embodiments, the composition of the antibacterial finishing agent may also include (meth)acrylic polymers and organosilicon polymers, thereby ensuring the adhesive effect of the antibacterial finishing agent and the adsorption of viruses Inactivation effect, the content of the (meth)acrylic polymer and organosilicon polymer can be added according to actual needs, and is not particularly limited, for example, 0-10% by weight and 0-0-10% by weight %, such as 3% by weight, 5% by weight, 8% by weight.
As shown in Figure 7 to Figure 8, in a specific embodiment that the present invention discloses, described lining 210 comprises the antibacterial fiber that vinyl monomer grafts modified bamboo charcoal fiber and obtains, and the transverse of described bamboo charcoal fiber There are a large number of voids in the cross-sectional area, with a honeycomb structure, which can be doped with metals and their oxides (such as gold, silver, potassium, sodium, titanium) below 10% by weight to ensure antibacterial effects. The body has strong polarity and excellent mechanical properties, a wide range of sources and low cost, and can form a film layer on the surface of the fiber to lock the metal and its oxide particles, thus ensuring that the obtained fabric has a long-lasting antibacterial effect and friction resistance, further, the vinyl monomer can be selected from carboxyl-containing vinyl monomers, hydroxyl-containing vinyl monomers, amido-containing vinyl monomers, epoxypropyl-containing vinyl Any of monomers, vinyl monomers containing cyano groups, vinyl monomers containing sulfo groups, vinyl monomers containing phosphate esters, vinyl monomers containing isocyanates, and vinyl monomers containing heterocycles One or any combination of the above. Specifically, acrylic acid, methacrylic acid, itaconic acid, maleic acid, fumaric acid, crotonic acid, isocrotonic acid, maleic anhydride, 2-hydroxyethyl acrylate or 2-methacrylate Hydroxyethyl ester, N-vinylpyrrolidone, N-vinylcaprolactam, acrylamide, methacrylamide, N-substituted and N,N-disubstituted acrylamide (such as N-ethylacrylamide, N-hydroxy Ethylacrylamide, N, N-dimethylacrylamide, N, N-diethylacrylamide and N-ethyl, N-dihydroxyethylacrylamide), acrylonitrile, methacrylonitrile, maleic acid anhydride, 2-hydroxyethylacryloyl phosphate, cyclohexylmaleimide, isopropylmaleimide, and 2-methacryloyloxyethylisocyanate. The surface grafting rate formed based on the reaction of vinyl monomer and bamboo charcoal fiber is 10-30%, such as 13%, 15%, 18%, when the surface grafting rate is greater than 30%, the bamboo charcoal fiber strength after grafting High, the fiber texture is hard, and the wearing comfort is reduced. If the surface grafting rate is less than 10%, the grafting rate is too low, so that the expected friction resistance and antibacterial effect cannot be obtained. When it is within the above grafting range, the formation of Stable acidic region with low skin irritation can maintain stable high antibacterial properties. Further, the glass transition temperature of the grafted polymer is less than or equal to 0°C, further less than or equal to -10°C, and further less than or equal to -40°C, thereby ensuring the low temperature flexibility of the fiber.
As shown in Figure 9 to Figure 10, in another specific embodiment disclosed by the invention, described antibacterial fabr...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreAbstract
The invention discloses an antibacterial finishing agent, a finishing method and a fabric product. The antibacterial finishing agent is used for finishing a fabric; and the antibacterial finishing agent is obtained by mixing a waterborne polyurethane emulsion, an organic silicon foaming agent, charged diatomite, an organic silicon coupling agent and at least one auxiliary agent, wherein the hydroxyl content of the charged diatomite is 0.10-0.28 mmol/g, and/or the porosity is 70-90%. According to the antibacterial finishing agent provided by the invention, bacteria and viruses can be effectively inactivated, the transmission of the viruses can be blocked, and when the antibacterial finishing agent is finished on the fabric, the antibacterial finishing agent is strong in adhesive force and high in persistence and effectively protects human health.
Application Domain
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Examples
- Experimental program(2)
Example Embodiment
[0072] like Figure 9 to 10 As shown in another embodiment of the present invention, the antibacterial fabric 210 may, for example, a polyammonium salt / aloe antibacterial fiber, the polya-quaternine / aloe antibacterial fiber consisting of polya quaternine ammonium salt and aloe vera. The extraction of the spinning liquid is obtained, and the effect of acne, anti-inflammatory antibacterial, the present invention discloses the preparation method of polya quaternine / aloe antibacterial fibers as described above, including but not limited to the steps of:
[0073] -S301, a spinning solution is provided, and the spinning slurry contains the following part of the component:
[0074] 3 to 10% by weight of the carboxymethyl chitosan, polymented ammonium salt 0.01 ~ 0.1% by weight, aloe extract 15 to 30% by weight, polyvinyl alcohol 10 ~ 50% by weight, sulfonate 1.5 to 5% by weight, alcohol 3 ~ 10% by weight and margin deion;
[0075] -S302, stirring mixed for the spinning solution under conditions of 200 ~ 400R / min;
[0076]-S303, a spinning solution after stirring, wherein the spinning pressure is 0.2 to 0.4 MPa, and the spinning temperature is 40 to 60 ° C, which is sequentially dred, solidified, washing, drying step. The polya quaternium salt / aloe in aloe fiber is obtained.
[0077] like Figure 9 As shown in the step S301, the polyaptic acid salt, aloe extract, and sulfonate are used as the active component, and the carboxyme-chitosan is further compounded, and bacteria, such as grapes. Strokes, Escherichia coli, etc. have a strong inhibitory effect, and further can further exert the effects of inflammatory factors to help damage damaged skin.
[0078] Specific exemplary examples of the quaternary ammonium salt include, for example, quaternary ammonium salt-6, polyammonium salt-7, polyazi ammonium salt-10, polya quaternary ammonium salt-22, polyammonium salt-39, polytead Ammonium salt-47, poly quaternary ammonium salt-76, these materials can be used singly or in combination, for example, as poly quarantine ammonium salt-6 and polya quaternary ammonium salt-22, at this time, the compounds passing through both Good to play the antibacterial effect, the compound ratio between the two is (20 ~ 40): (60 to 80), for example, 35: 65, 40: 60, the ratio of the polya quaternary ammonium salt-6 is lower than The polya-quaternium salt-22, the stability of the antibacterial system is better, and in the spinning liquid, a higher antibacterial effect can be exhibited at a lower amount of use, and the polyammonium salt The amount of use is 0.01 to 0.1% by weight, further, may be 0.05 to 0.078% by weight, such as 0.062% by weight, 0.072% by weight.
[0079] The aloe extract in the spinning liquid is an active ingredient of natural antibiotic anti-inflammatory, and a good antibacterial effect in the presence of polya quaternary ammonium salts, and the antibacterial rate can be greater than or equal to 70%, and the use of aloe extracts. The amount is 15 to 30% by weight, such as 18% by weight, 20% by weight.
[0080] The sulfonate in the spinning liquid can further improve the flexibility of the fibers after the spinning, improve the hydrophilicity of its surface, improve the comfort, the sulfonate specifically, can list all fluorine Ethhane sulfonic acid tetraethyl, dialin sulfonate, potassium perfluoroalkyl sulfonate, potassium benzenesulfonylbenzenesulfonylpaya, sodium toluenesulfonate, potassium diphenyl sulfonate, sulfonic acid The salt is 1.5 to 5% by weight, further 2.0 to 4.2% by weight, such as 2.3% by weight, 4.0% by weight.
[0081] At the carboxymethyl chitcan different from a conventional chitosan, it is an amphoteric polyelectrolyte, in which the stability and spontability of the spinning liquid can be effectively maintained, and the spinning is ensured. The antibacterial properties of the fiber, the amount of carboxymethyl chitosan is 3 to 10% by weight, such as 3% by weight, further, and the spuner also includes polyvinyl alcohol, which is highly water soluble. Molecular polymer, the stability of the system and adjusts the concentration of the spanning fluid, which is suitable for subsequent spinning operations, and the weight average molecular weight of the polyvinyl alcohol is from 200,000 to 200,000 g / mol, further 2000. ~ 8000g / mol, such as 4000 g / mol, 6000 g / mol, which is more beneficial to adjust the spinning solution to the desired concentration, and there is no uncontrollable situation, in addition, having a good biocompatible Sex, can promote the repair of the skin of vapor inflammation. The spinning fluid may also include an alcohol, such as ethanol, or the like, can increase the component polyvinyl alcohol, the dissolution of the chitosan, and the amount of solution, the amount of use of 3 to 10% by weight, for example, 5% by weight.
[0082] like Figure 9 As shown in step S301, in order to obtain the spinning fluid, the polyvinyl alcohol may be obtained under conditions 60 to 80 ° C, 20 to 70 r / min, for example, 60 ° C, 60R / min. Glycan, the alcohol is dissolved with the pertide water, followed by cooling to room temperature, continued to add the polymethylene ammonium salt, sulfonate, and the aloe extract, 10 to 100 r / min, continued to stir. Spinning liquid.
[0083] like Figure 9 As shown, the step S302 is then performed, and the above-described spinning fluid continues to stir, at this time, the stirring speed can be appropriately increased to 200 to 400 r / min, such as 250 r / min, 350 r / min, can increase the viscosity No climbing phenomenon.
[0084] like Figure 9 As shown, the step S303 is then performed, and the agitated spinning liquid can be spinned. The spinning process may be wet spinning, specifically, the spunning spun is added to the wet spinning machine reactor. And set the spinning speed at 100 to 110 m / min, for example, 100 m / min, the spinning pressure is 0.2 to 0.4 MPa, for example 0.4 MPa, the spinning temperature is 50 to 60 ° C, for example 60 ° C, so that the textile can always be reinable The silk is in good dissolved state, and then the diameter is, for example, 0.2 mm, the fuel hole extruded is formed, and deionized water can be used in the coagulation bath, the temperature of the deion of 10 to 15 ° C, for example 10 ° C, in this Rapid solidification molding can be achieved to obtain polypeptic ammonium salt / aloe induction. It is of course not limited thereto, and an acid bath can also be used, such as from 110 to 120 g / L of H2SO4, 12 to 14 g / L of Na2SO4, such as 110 g / l H2SO4, 12G / L ZnSO4, and 245 g / l Na2SO4, the acid bath temperature is 55 ~ 60 ° C, and then the drafting apparatus, a cleaning bath, a drying apparatus, a winding device can be sequentially, and the polya quaternium salt / aloe antibacterial fiber is obtained.
[0085] like Figure 10 As shown, the quaternary ammonium salt / aloe antibacterial fibers are particularly suitable for towels, such as bath towels, hoods, and towels, etc., which can be blended with other natural fibers and final composition. The roller layer 212a of the towel layer 212b is directly frictionally contacted with the skin, and the touch is soft. For example, the blending process can be wrapped around the blending roller, for example, such as natural fibers, for example, such as natural fibers, such as natural fibers, such as natural fibers, such as natural fibers. However, it is possible to carry out blended knitting, and then drafted, then washed, dried to obtain the composite fiber fabric, after the antibacterial finishing agent as described above, the antibacterial effect is obvious, and further reduces quaternary ammonium salt / aloe vera The use of antibacterial fibers, thereby effectively reducing costs, and then testing the fracture fabric can refer to GB1597-2002 "Situally used toilet hygiene standard" soluble anti-(suppression) bacteriostatic performance test method for testing, E. coli , Gold-yellow Staphylococcus, and the bacteriobacterial effect of acne amnethrichiobacterium is more than 95%, further, the fracture strength of the fibers is 0.7 to 1.2cn / dtex, for example 0.9 cn / dtex, the elongation of 25 ~ 40 %, For example 35%.
[0086] like Figure 10 As shown in the towel article, the polya quaternary ammonium salt / aloe antibacterial fiber may be anywhere, based on the need for toughness to make up the use of toughness, the polya quaternary ammonium salt / aloe antibacterial fiber is a multi-fiber. The natural fibers can improve the comfort of the towel, such as silk, cotton, hair, linen, soft hair, hair, cellulose, ramie, linen, wood pulp, etc., including the present invention In the towel products of quaternary ammonium salt / aloecera, it is also possible to further design a print, cutting towels.
[0087] like Figure 11 As shown in another embodiment of the present disclosure, the fabric 213 includes, for example, chitosan quaternary / algae composite antibacterial fibers, which utilizes a cationic polyelectrolyte chitosan quaternary ammonium salt and a carboxymethyl shell. Glycan forms a common mixed microcapsule, and after the aqueous solution of sodium alginate having an anionic polymer, it is not easy to be destroyed after the base liquid and the aqueous solution, overcoming the problem of unmodical problems, and avoiding a single shell season season Ammonium salt and sodium alginate directly carry out static self-assembly, the fiber is easily broken, and the chitosan quaternary ammonium salt / algae composite antibacterial fiber is based on ion bonds based on ion bonds based on the present invention. It is guaranteed that the composite fiber structure is stable, and the mechanical properties are good. At the same time, the moisture absorbing properties of the fibers are excellent because the moisture absorbent in the fibers is excellent, and the moisture absorbing properties of the fibers are increased, and the chitosan quaternary and carboxymethylge glycans have excellent antibacterial. Sex, but also makes the fiber have good antibacterial properties, namely, based on the antibacterial properties of sodium alginate and chitose quaternary ammonium salt, which is based on superiobacco-compatibility, degradability, strong moisture, comfort. Home textile products, such as children, children with blankets. The present invention discloses preparation methods of chitose quaternary ammonium salt / algae composite antibacterial fibers as described above include, but are not limited to, the following steps:
[0088] -S401, aqueous carboxymethyl glycan solution and an aqueous solution of the chitagan-quaternant ammonium salt were blended;
[0089] -S402, an emulsifier is added to the mixture, and after the dispersed stirring step, the carboxymethyl chitosan and a blend microcapsule of the chitcan quaternium salt are obtained;
[0090] -S403, the blend microcapsule is added to the spinning fluid of sodium alginate, and the chitosan quaternary / seaweed composite antibacterial fibers are prepared by stirring, dissolving, and filtered.
[0091] In step S401, the carboxymethyl chitosan is a two-pro-poly electrolyte, and the ammonium salt is blended with a cationic polyelectrolyte chitcan with a good mechanical properties and antibacterial function, followed by forming a microcapsule shape. When mixing with a spinning solution of sodium alginate, it is not easy to disproportionate the base liquid and aqueous solution, the mass fraction of the carboxymethyl glycan solution, for example, for example of 3 to 10% by weight, for example 4. Weight%, thereby maintaining stability and subsequent spontability of the solution. The mass fraction of the chitagan quaternant ammonium salt can increase with respect to the carboxymethyl chitosan glycan solution, but based on the cost consideration, it should not be too high, for example 5 to 20% by weight, such as 7 weight. %, 10% by weight, between 1: 1 can be mixed, and the mixture is obtained.
[0092] like Figure 11 As shown, in step S401, the degree of quaternary ammonium salt in the quaternary ammonium salt used is less than or equal to 30%, when the degree of substitution is greater than 30%, the quaternary ammonium salt is high, and the dissolution performance is low. It is not conducive to self-assembly reaction, thereby affecting antimicrobial properties, the carbon chain length is 6 to 12, which is obvious in this range, which can destroy the bacterial cell membrane structure, thereby reaching the purpose of inhibiting bacteria.
[0093] like Figure 11 As shown, step S402 is then performed, and an emulsifier such as an oil-watered emulsifier is added to the mixing liquid as described above, and the polyglycerol stearate, sorbitol monochromerate, petroleum sulfonic acid Sodium, alkylbenzenesulfonate, tray 80, lauryl polyoxyethylene ether, zinc stearate, etc., after 40 to 60 ° C for 5 to 30 min, then pass through ultrasonic treatment 20 to 60 min, for example 30 min To obtain a corresponding blend microcapsule. The amount ratio of the emulsifier addition is 0.1 to 1%, so that the uniform emulsification can be satisfied, and the emulsified blend microcapsules can be collected by the Marvian laser diffraction particle size distributor. Or the scanning electron microscope is observed, its particle size ranges from 6 to 100 nm, further at 6 to 20 nm, such as 6 nm, 10 nm.
[0094] like Figure 11 As shown, step S403 is then performed, and the above-mentioned copper microcapsules are added to the spinning fluid of sodium alginate, for example, in a sodium hydroxide solution of sodium alginate, stirring, dissolving, filtration, and spinning, the spin For example, a wet spinning can be employed, and the obtained fiber is cleaned, desulfurized, oil, dried, and dried to obtain the resulting fiber, desulfurized, oil, dried, and then obtaining the obtained fiber. . Sodium alginate is β-D-mannoxalonic acid (M segment) and α-L-Glycosyl (G) have a natural linear polymer connected by 1-4 glycosidic links, with good ground Antibacterial and hygroscopicity.
[0095]After the preparation process as described above, the chitosan quaternary ammonium salt / algae composite antibacterial fiber can be in the case of 0.5 to 1, and the force is strong between the two. It is not easy to be destroyed during multiple use, with continuous antibacterial, moisture absorption effect, maintaining the skin of children, avoiding the intrusion of bacteria.
[0096] like Figure 12 to 13 As shown in another embodiment of the present invention, the fabric 214 includes, for example, a core type corn fiber / polyester composite antibacterial fiber, which utilizes the contraction characteristics of core corn fibers, thereby in the cortex of polyester fibers. There is a space between the core layer, and then the antibacterial auxiliary function can form a stable covalent bond to form a stable covalent bond and the functional group of the fiber raw material on the core layer, thereby stabilizing the antibacterial effect, in addition, corn fiber is made of corn The starch is carried out into lactic acid, and the polymer is polymerized to form a polymer, molten the polymer to corn fiber melt, which has good hydraulic, sleeper, moisture absorbing, natural antibacterial and good heat resistance and UV-ultraviolet function, as a core layer, acting as a support of the skeleton, ensuring that the core type corn fiber / polyester composite antibacterial fiber can have the above functions while having good antibacterial, especially And anti-UV characteristics, which guarantees that it is satisfactory appearance and practicability when applying home textiles in particular curtains.
[0097] Further, after the antibacterial finishing agent of the present invention, a dense coating is formed on the surface, and as the curtain is used, it can block the outdoor potentially floating bacteria, virus, and based on the density characteristics and the drum type. The structure, also blocks the propagation of the light, which can make a light shielding and create a good private space.
[0098] like Figure 13 As shown, the skin core type structure includes a core layer 214a and a shell layer 214b, and an antibacterial auxiliaries (not shown). The shell layer 214b is located at the outer peripheral portion of the core layer 214a, and has a gap between the core layer 214a, i.e., a hollow hollow structure, which is corn fiber, the core layer 214a. The case layer 214b is a polyester fiber that is located within a gap between the core layer 214a and the shell 214b, the antibacterial aid having the polyester fiber and / or the corn. The reactive functional group covalently bound by the fiber can include a hydroxyl group, a carboxyl group, an amino group, and the like, and more specifically, the shell carboxymethyl chitosan, and the chitose quaternary ammonium salt, and Other suitable materials can be chemically bonded to the hydroxyl groups of polyester fibers and the corn fibers. The distance between the gap between the core layer 214a and the shell 214b, for example 1 mm, 2 mm, which is formed by the shrinkage effect of corn fibers, the greater the gap, the more antibacterial aids, but by When the spacing is too large, it has been wasted, and the core layer is lowered as the support layer, and the performance of the vertex is affected. When the gap distance is too low, the antibacterial additive is insufficient, and in the above range, it can be maintained. Good balance. Further, the present invention discloses the preparation method of the core type corn fiber / polyester composite antibacterial fiber as described above, including but not limited to the steps of:
[0099] -S501, the fermentation of corn starch is converted into lactic acid, and polymerically forms a polymer, melted the polymer to corn fiber melt, as a core layer;
[0100] -S502, the polyester is granulated, the melting step is obtained by the polyester fiber melt, as a shell layer;
[0101] -S503, the shell layer and the core layer are each molten through a twin-screw extruder and a single screw extruder, respectively, allocated to each spin-welding hole of the drum type spine, and is emitted from the spine. Cooling solidification, drafting the core type corn fiber / polyester composite fiber;
[0102] -S504, heat the boiling of the skin type corn fiber / polyester composite fiber to form a gap between the core layer and the shell layer;
[0103] -S505, the contracted mid-core type corn fiber / polyester composite fiber is immersed in a solution containing an antibacterial agent, and the heating reaction is carried out, wherein the antibacterial aid has the polyester fiber and / or The corn fibers covalently bound the reactive functional group.
[0104] like Figure 13 As shown in step S501, it is converted to lactic acid in step S501, and the polymer is formed by polymerization, and the polymer is formed into a corn fiber melt as a core layer. Specifically, the corn starch can be uniformly dispersed into deionized water of 40-60 ° C, and then the mixing is uniform, and the ultrasonic treatment is 3-4 min, and then the temperature is adjusted to room temperature, and the addition, such as an alpha-amylase, to obtain an enzymatic solution, and then High-temperature steam sterilization can be performed, followed by adding rice cran miner seeds, and then performs fermentation treatment, further addition of coconut oil amide propyl betaine, mix well, continues to ferment 36 ~ 72h, resulting in fermentation Liquid and purified to obtain lactic acid. The polymerization of the lactic acid to form a high polymer to dehydrate the lactic acid to obtain a lactide, and then mixed with hexide and caprolactone after a predetermined molar ratio, and then the polymerized polymer polymer is then polymerized at high temperatures. .
[0105] like Figure 13 As shown, step S502 is then performed, and the polyester is granulated, and the melting step is obtained to obtain a polyester fiber melt as a shell layer.
[0106] like Figure 13 As shown, step S503 is then performed, and the shell layer and the core layer are each molten through the twin-screw extruder and the single screw extruder, respectively, allocated to each spine of the dried wire, from the spray The holes are emitted, and the cohesive solidification is obtained, and the core type corn fiber / polyester composite fiber is drawn, the composite ratio between the shell layer and the core layer is (20 to 60): (80 ~ 40) The double screw extruder and a single screw extruder have a diameter of 50 mm, the temperature of the screw extruder is from 240-255 ° C, and the compression segment temperature of the screw extruder is 280-295 ° C. . Further, the temperature of the spinneret is 250-280 ° C, the spray head of the spinneret at 230-250 nm.
[0107] like Figure 13 As shown, step S504 is then performed, and the boiled cylindrical corn fiber / polyester composite fiber is heated to cause the core layer to form a gap between the core layer and the shell layer, further, for Increase the gap and fix it, it is also possible to immediately feed the heat-boiled core type corn fiber / polyester composite fiber to deionized water below 10 ° C, further is impregnated in the mixing of ice water 10 to 30 s. Thereby, a gap between 1-10 mm can be obtained.
[0108] like Figure 13 As shown, step S505 is then performed, and the contracted mid-core type corn fiber / polyester composite fiber is impregnated in aqueous solution containing an antibacterial agent, which may be impregnated at low temperatures for 30 min to 1 h, which can be used to antibacterial agents. It is sufficiently soaked into the gap, and then the temperature is warmed, for example 60 to 80 ° C, which has a reactive functional group covalently bonded to the polyester fiber and / or the corn fibers, thereby obtaining the skin. Core corn fiber / polyester composite fiber.
[0109] In another embodiment of the present invention, for example, the fabric comprises a fields of fields modified polyacrylonitrile carbon fibers, and after bamboo fiber, longweed cotton blend into a yarn, the antibacterial slurry is ate the antibacterial slurry. The fabric that uses Tianjing to have anti-inflammatory, stop pain, and then cooperate with antibacterial slurry, and it has benefits to the human body. The fabric is comfortable and breathable, and the hand is soft and delicate, very comfortable, and the fabric is strong, the function is lasting, which is extremely suitable for home textile products such as sheets.
[0110] The present invention discloses the antibacterial home spinning fabric of the Tiancang fiber as described above and the preparation method thereof comprises, 1) After soaking the field rod is soaked in the deionized water 10-12 h, the grinding, adding coconut oleic acid, coconut oil, The betaine and polyvinyl alcohol are 120-140 ° C. After the pressure is 1.0-5.0 MPa, the pressure is 1.0-5.0 MPa, after hydrolysis, filtration, the filter residue was washed with distilled water, and the filtration is neutral, and then in 50-70 ° C Dry, adding xanthan gum, stirred at 30-50 ° C for 20-50 min, adding to the spinning liquid of polyacrylonitrile carbon fibers, mixing uniform, spinning, and obtaining fields modified polyacrylonitrile carbon fiber; 2 According to Tianjing modified polyacrylonitrile carbon fiber, bamboo fiber and long velvet cotton blend into yarn, the strip is made into a weaving shaft, and the slurry of the antibacterial slurry is used to produce the Tian Tianjing. Fiber fabric billet; re-finishing, printing and dyeing treatment and post-finishing.
[0111] In the above 1), Tianjing is (70-20): (12-15): (12-15): (17-20) :( 70-20): (17-20): (17-20) :( 17-20) :( 5-11) .
[0112] In the above 2), the weight ratio of fields of the field-modified polyacrylonitrile carbon fiber, bamboo fiber and long velvet wool is (6-10): (18-22): (68-76).
[0113] It should be noted that the antibacterial slurry includes components of the weight of the weight: 2.5-10 ginkgo leaves, 2.5-3 Houttuynia, 0.8-1.2 copies of gold and silver, 0.5-2 licorice, plant glue 4- 10 copies, 1-2.5 parts of alginate, 3-8 alum, 1-2 starch, 1-2 penetrant, 70-80 water.
[0114] Specifically, the antibacterial slurry is prepared as follows: first add ginkgo leaves, houttuynia, honeysuckle and licorice to 3-4 times of water, 40 kHz of ultrasonic frequency, 6W, ultrasonic extraction, 30-45min each time Add 3-4 times the amount of ethanol, in the ultrasonic frequency 40 kHz, the power is 100 W, the ultrasonic extraction is extracted twice, and the antibacterial extract is obtained, the antibacterial extract is obtained, and the plant glue, sodium alginate, alum, starch, water mix is mixed. Antibacterial slurry is obtained.
[0115] In the above 2), the process parameters of the slurry are: the temperature of the slurry is 70-75 ° C; the laury viscosity is (5-30) MPa · S; the upper pulley is 10% -18%; the tide rate is 10 -15%. Further, the fabric is prepared, and it includes the upper paste, desert and bleaching. The upper paste is a water-soluble slurry, and the components and weights in the water-soluble slurry are as follows: 100 parts of water, 100 parts of water, 5 to 8 dimethylmethylamine Series, N-methyl ethanolamine 2 ~ 6 parts, 7 to 10 starch, 0.6 to 2 butanone 0.5-2 parts of 2-naphthol and 3 to 6 parts of mineral oil. In the printing and dyeing treatment step, the temperature of the steaming process in the printing process is 100 ° C to 110 ° C, and the time is 10 to 15 min.
[0116] In another embodiment of the present invention, the surface is, for example, a money grass fiber, followed by a bamboo fiber, cotton fiber, polyester well fiber and money grass fiber as a raw material, using a composite antibacterial slurry, obtained Textiles of antibacterial function. In the formation step of the money grass fiber, the toxicity of the cooked alkali is dissolved, and the toxicity of the cooked moisture is removed, so that the golden grass fibers are both non-toxic and re-inflammatory, and the composite antibacterial slurry, the money is wrapped in antibacterial slurry, A better bacteriostatic effect, washed 100 times, and the antibacterial rate of the textile fabric was still greater than 85%. Money straw fiber antibacterial textile fabric is comfortable and breathable, soft and delicate and fine, and the water washing size shrinkage is less than 2%, the fabric isastroabble, and the function is in particular for production underwear products.
[0117]The present invention discloses the preparation method of the above-described money grass fiber antibacterial textile fabric, using bamboo fibers, cotton fibers, polyester well fibers, and money grass fibers, which are formed into a web, and the composite antibacterial is made. The slurry is pulp, dried, producing money grass fiber fabric billets on a wrapping machine; before the fabric is organized, printing and dyeing and post-finishing; wherein the composite antibacterial slurry comprises the following weight component: B 1-3 diamine copper complexes, 10-30 silicon quaternary ammonium salts, 2-5 parts of polyethylene guanidine hydrochloride, 75-80 parts of ethanol, 45-60 water.
[0118] The bamboo fiber, the cotton fiber, the polyester filament fiber, and the moisture fiber weight ratio (15-21): (37-45): (12-18): (1-5). The concentration of the composite antibacterial finishing agent is 2-5 g / L. The silicone quaternary ammonium salt is a synthetic product of chloropropyltrimethoxysilane and long chain tertiary amine. The polyethylene guanidine hydrochloride is a polyethylene monohydrochloride hydrochloride or a polyethylene glycide hydrochloride. The monogram is prepared by the following steps: produce cellulose slurry, adding a base to the cellulose pulp, old, then carbonized carbonization, add a monochronized powder, porous starch, xanthan gum, mix well, cooled, cooked , Wet spinning, post-treatment, dry, and obtain finished products. The cellulose paste with the monopolite dry powder, the porous starch, the mass ratio of the yellow original glue is 100: (25-20): (12-20): (6-10). The fabric is compiled with the upper paste, desert and bleaching. The upper paste is a water-soluble slurry, and the varieties and weight of each component are as follows: 100 parts of water, 10-20 servants of ethylene glycol, 6-10 serial acetate, sodium acetate 2- 7 serviles, 0.5-2 servants, 6 to 10 starch, 0.8 to 3 permeants and 4 to 8 silicon oils. The printing treatment was used in active printing, further, in the printing treatment, the evaporation temperature was 100 ° C to 110 ° C, and the time was 10 to 12 min. Further, the post-finishing includes softness and styling, soft use of hydrophilic softener. It is obtained to obtain a magical fiber antibacterial textile fabric.
[0119] In another embodiment of the present invention, for example, the surface comprises an antibacterial yarn containing a soapperture extract, with a soapperture extract as an antibacterial material, and a yarn finishing agent is used to antibacterial finishing, yarn finishing agent. Contains plant glue, 2-naphthol, soap pod extract and starch, using plant glue, starch load soap pod extract, so that the acacia extract is slowly released, and the antibacterial time is extended. The anti-bacterial effect of the fabric made from the antibacterial yarn is good, and the antibacterial rate is greater than 95%. Bamboo charcoal fibers have a honeycomb structure, more advantageous to wrap the soap pod extract into the textile, further extend the antibacterial time, and bamboo charcoal fibers have an anti-ultraviolet line, and the indoor gas has good adsorption and purification. In addition, the processed yarns are smooth, elastic, and avoiding the prepared fabrics. The treatment after treatment is uniformly stable, the fibers are lower than the resistance, good spontability, and the fibrous fiber optic fibers that have passed the antibacterial, there is no spontable problem. The antibacterial yarn of the present invention can be applied to the curtain textile of the living room, which can function as a bacteriostatic, adsorbing the effect of harmful air.
[0120] The antibacterial rate of the antibacterial yarn can reach 99.9%, and after 80 test washed by test, the antibacterial rate of the textile fabric is still as high as 92%. The antibacterial yarn is carried out by a total of 20 wt% of the antibacterial finishing agent by a total of at least 20 wt% of the antibacterial finishing agent; the antibacterial yarn has a single yarn or a single grade of 20 s ~ 40s; The single yarn has a twist of 400 to 750 捻 / meters, and the twist of the strand is 400 to 900 twists; wherein the antibacterial finishing agent comprises water, plant glue, 2-naphthol, soap pod extract and Starch, the water, the plant glue, the 2-naphthol, the soap pod extract, and the weight ratio of the starch (40-50): (2-10): (0.1-2) :( 6-10): (1-5).
[0121] The fibers are selected from at least one or more of cotton fibers, bamboo charcoal fibers, copper ammonia and microfibers. Cotton fibers have a good breathable. The hemp fiber has a strong feature, and the powerful feature is strong, while wear-resistant, antibacterial, absorption and exudation of water faster, heat transfer heat transfer and good insulation, and cotton fiber is blended, enhanced yarn Holding force, reducing the phenomenon, allowing the yarn while maintaining softness and elasticity, and the corrosion resistance of hemp fiber, absorption and exudation of water and antibacterial resistance make the yarn are not easy to be accomplished by the contestation and moisture , Extend the life of the weaving and reduce the number of woven cleaning or replacement. Bamboo charcoal fibers have super adaptive force, absorbent and insulation, deodorant and other effects. Bamboo charcoal fibers have a honeycomb structure, with excellent purification air, antibacterial antibacterial properties, great expansion fabric function. The copper ammonia fiber is soft, the hygroscopic moisture is good, and it has a good antibacterial effect. The fragmented fibers are compared by cotton fibers, hemp fibers, bamboo charcoal and copper ammonia fibers (1.5-8): (1-5): (1-5): (0.5-2).
[0122] In the yarn finish, the water, the plant glue, the 2-naphthol, the weight ratio of the soapperture extract and the starch are 45: 8: 1: 8: 3. Further, the plant gel is selected from one or more of the lactang, flasmic plastic, Guur gum.
[0123] The present invention also discloses a method of antibacterial yarn as described above, including the following steps: compared with a fiber content, mixed, plus hair, and hair, comb, coarse yarn, fine yarn, antibacterial finishing, twisting, and shaped ,Package. Among them, the steps of the antibacterial finishing are as follows: 1) Antibacterial finishing: adding water in a dyeing cylinder to add 0.5 to 2% by weight of penetrant to the mass meter of the treated fiber, and adjust the pH of 4.5-6.0 with acetic acid, add 1- 3 wt% antibacterial finishing agent; at least 1-2 h at a temperature of 40-60 ° C; then add auxiliary, heat insulation 20-40 min; 2) post-treatment: cool down to room temperature, drain, add water to wash, drain , Dehydration, drying.
[0124] The moisture permeability comprises a component of the following: 34-50 parts of polyoxyethylene ether, 2-6 sodium dodecyl benzene sulfonate, 8-15 hydroxypropyl cellulose, sodium salicylate 2-10 parts, triethylene glycol dimethyl ether 2-10 parts, 2-ethylhexamine polyoxyethylene ether methyl ammonium chloride, 2-8 parts of naphthalene sodium, dodecyl group 1-5 sulfate, 1-8 oleic acid polyethylene glycol esters, 2-6 parts of sodium citrate, 4-10 parts of diethylene-thylaclic acid and 40-65 water. Fiber textiles are generally easily shrinking, wrinkled, and dyeing effects before do not perform processing, and the wetting penetrant needs to be added to solve this problem. The general fibers have a longitudinal natural conversion, a small fiber cross-section, and a gas permeability; when treated with a wetting permeate, the longitudinal natural conversion of the fibers disappears, the fiber cross-section expansion is increased, and the cross section is close to the circle. Increase the gas permeability of the fibers and the regular reflection capability of the light. The wetting osmotive agent of the present invention has excellent wetting properties. It has excellent emulsification characteristics to impart excellent hydrophilicity to the fabric.
[0125] like Figure 14 to 15 As shown in another embodiment of the present disclosure, the fabric 215 includes, for example, a three-dimensional antibacterial yarn having a cotton fiber, which utilizes a core yarn structure, a core layer being a soluble fiber, the shell. The layer is a cotton fiber yarn, which is subsequently dissolved in the core layer yarn of the core yarn to obtain a three-dimensional yarn of the cotton fiber shell layer, followed by antibacterial finishing of the via yarn antibacterial finishing. The three-dimensional antibacterial yarns containing cotton fibers are fluffy, particularly suitable for use as a towel, and further adopt a softness and use occasions by using a laminated yarn.
[0126] like Figure 15 As shown, the present invention discloses a method of preparing a three-dimensional antibacterial yarn having a cotton fiber, wherein the preparation method comprises:
[0127] -S601, a core yarn is provided, wherein the core layer is a soluble fiber, the shell layer being a cotton fiber yarn;
[0128] -S602, a plurality of drawings and winding the core yarns;
[0129] -S603, the wrapped core yarn is fixed;
[0130] -S604, the core layer yarn is dissolved in the core yarn to obtain a three-dimensional yarn of the cotton fiber shell;
[0131] -S605, a three-dimensional yarn of the cotton fiber shell is impregnated with a yarn antibacterial finishing solution to obtain a three-dimensional antibacterial yarn.
[0132] like Figure 15 As shown in steps S601 to 605 as described above, the cotton fibers use a laminated yarn, which is a yarn of 30 to 80, which promotes the softness of the towel. It can also be applied to infants. The yarn antibacterial finishing fluid comprises a component of the following weight: quasi-quaternary ammonium salt 0.01 ~ 0.1% by weight, aloe extract 5 to 20% by weight, 1 to 5% by weight of the alcohol, 3 to 15%, thickening 1 to 10% and margins of deionized water. Within the above range, an effective active ingredient based on polya quaternary ammonium salt and aloe extract can help promote skin repair and antibacterial effects. The polya-quaternium salt is selected from the group consisting of polya ammonium salt-6, polya ammonium salt-7, polya quaternium salt-10, polya quaternary ammonium salt-22, polya quaternine ammonium salt-39, polya quaternine ammonium salt-47, One or the above combination thereof in the polya quaternium salt-76. Further, the polya quaternary ammonium salt is selected from the group consisting of polya ammonium salt-6 and polyammonium salts -22 having a weight ratio of 1: 3.
[0133] Then please return to the reference Figure 5 with Image 6 In step S2, the above-described finishing liquid is subjected to impregnation finishing as described above. The fabric 210 includes the above-described antibacterial fibers or yarns, and may be formed between the antibacterial fibers, blending or blending with other fibers, thereby crossing each other with a fabric 210 having a cross network structure, the fabric 210 is the same as the base fabric 110 in the foregoing specific embodiment, the formation of the formation between the latitude yarn, such as 0.1 to 100 um, such as 0.1 um, 10 um, 20 um, 50 um, thereby allowing the antibacterial finishing agent. The components entered the sewing, and the antibacterial and viral inactivation were fully utilized.
[0134] like Figure 5 As shown in step S2, the fabric 210 is soaked to the finishing liquid during the impregnation finishing process, for example 0.5 h, such as sufficiently soaked, then the immersion, for example, two dip 2 Rolling, the rolling rate is 65 ~ 72%, such as 68%, 70%, 72%.
[0135] like Figure 5 with Image 6 As shown in step S2, the fabric 210 after the impregnation is made, so that the liquid can be finished in the surface of the fabric 210 to form finishing layers 220, 230, and the baked process can be more than a multi-stage bake. The process, for example, by the gradient temperature rise, for example, for example, a fabric 100 after the impregnated fabric is pre-baked at 3 to 5 min, for example, 5 min, then baked at 140 to 160 ° C for 1 to 2 min. Then 1 to 2 min at 160 ° C to 180 ° C, resulting in the finishing fabric article 200.
[0136] A detailed description of the invention will be taken in detail below.
Example Embodiment
[0137] Example
[0138] experiment material
[0139] In accordance with the test material in Table 1 and the above-described finishing method, Examples 1-4 were produced to obtain a corresponding fabric article.
[0140] Test Methods.
[0141] The fabric articles obtained by the manufacturing Example 1-4 were tested against viruses, antibacterial tests and color fastness, and the test results were shown in Table 1.
[0142]Anti-virus, antibacterial test: Test fabric products in accordance with GB / T 20944-2007 Test fabrics (AATCC6538), E. coli (8099), the average antibacterial ratio of white candida (AATCC10231). Through in vitro virus culture experiment, fluid virus (RNA virus) 1.0 × 10 3Hc50 unit / ml virus is 1 hour under 4 ° C conditions, and the inactivity of the influenza A virus. Wash 50 times in accordance with the washing method in AATCC135.
[0143] Removal Fastness Test: According to GB 18401-2010 Standard fabric products, water resistance.
[0144] Table 1 performance assessment of fabric products
[0145]
[0146]
[0147] As shown in Table 1 above, the fabric product provided by the present invention has a bacterium, and the inactivation of the influenza virus reaches 85%, and the aqueous body is 5 times, the viral inactivation rate is 62%, the fabric article anti-viral effect Ok, and feel soft, good skin.
[0148] The antibacterial finishing agent utilizes a polyurethane emulsion, a chargededelite, a foaming agent, and an organic silicon coupling agent to ensure that the antibacterial finishing agent ensures the bonding of the fabric when the fabric is organized. Force, the inter-layer adhesion is greater than or equal to 10N / cm, further, based on these finishing agents, adsorb the virus to adsorb the fixed fabric, and sufficiently active, especially in the early days of viral propagation, can be effectively controlled, blocked, Protect human health. Further, the fabric that the finishing agent provided in accordance with the present invention is soft, and the skin is bonded, and the comfort is high. In addition, the source of raw materials provided by the present invention is wide, safe and environmentally friendly, low cost, and simple preparation method, easy to operate, can be widely used in industrial production.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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| Property | Measurement | Unit |
| Particle size | 6.0 ~ 100.0 | nm |
| Porosity | 0.7 ~ 0.9 | |
| Molecular weight | 2000.0 ~ 100000.0 | |
| tensile | MPa | |
| Particle size | Pa | |
| strength | 10 |
Description & Claims & Application Information
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the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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