36results about How to "Permanent antibacterial" patented technology

The invention relates to a preparation method of self-fragrance natural antibacterial and deodorizing fiber. The preparation method comprises the following steps of (1) preparing a fragrance slow release body; (2) preparing a natural antibacterial composition; (3) preparing fragrance natural antibacterial and deodorizing master batches; (4) preparing self-fragrance natural deodorizing fiber, wherein the prepared self-fragrance natural antibacterial and deodorizing fiber is of a skin-core structure including a core layer and a skin layer; the core layer is a high-melting-point polymer; the skin layer is a low-melting-point polymer; a high-molting point polymer body of the core layer comprises the fragrance slow-release bodies and the natural antibacterial compositions. The fiber provided by the invention has no irritation on the human body skin, has the permanent antibacterial performance, can inhibit the bacterium invasion and breeding, and has high absorption rate on ammonia and very excellent antibacterial mouldproof and deodorization effects; the characteristics of uniform fragrance release and long fragrance maintaining time are realized; the product added value is high; the application market prospects are wide.

The invention relates to an antibacterial and antistatic polyester resin slice which comprises the following raw materials in parts by weight: 75-85 parts of a PET (polyethylene glycol terephthalate) slice, 5-15 parts of an antibacterial additive, 0.5-5 parts of an antistatic additive and 5-10 parts of a plasticizer, wherein the molecular weight of the PET slice is 25,000-50,000 and the plasticizer is one of dibutyl-o-phthalate, diisopropyl-o-phthalate and diamyl-o-phthalate. Due to the application of the technical scheme, the antibacterial antistatic polyester resin slice has the following advantages: the antibacterial additive and the antistatic additive in the raw materials of the polyester resin slice are added at the same time, so that the polyester resin slice has antibacterial and antistatic performances at the same times; a textile prepared by the polyester resin slice is endowed with permanent antibacterial and antistatic performances; and the increasing requirement of people on the textile can be met.

The invention discloses antibacterial fiber and a machining process thereof. The antibacterial fiber is mainly composed of nanometer-scale zinc oxide microparticle, polyester chips, zinc stearate, titanate coupling agent and a liquid paraffin component, wherein the average diameter of the nanometer-scale zinc oxide microparticle is 20-100nm. The realization method comprises the steps of: uniformly mixing the nanometer-scale zinc oxide microparticle, the polyester chips, the zinc stearate, the titanate coupling agent and the liquid paraffin according to a mass ratio of 10: (28-32): (0.7-0.9): ( 0.15-0.17): (1.1-1.3) to form a mixture, granulating the mixture through a granulator to form mixture master batch, uniformly mixing the mixture master batch with the polyester chips according to a mass ratio of 1: (0.9-1.1) to form mixture particles, carrying out melting spinning on the mixture particles at a temperature of 255-263 DEG C to form cellosilk and drafting the cellosilk to form fiber filament. The antibacterial fiber and the machining process thereof, disclosed by the invention have the advantages that antibacterial agent is uniformly dispersed in the fiber and the antibacterial effect is long-lasting.

The invention provides antibacterial fibroin protein fiber and a preparation method thereof. The preparation method comprises the following steps: preparing a formic acid solution, adding silver salt into the formic acid solution, and stirring and dissolving; soaking a silk fiber which is not degummed or is partially degummed into the formic acid solution containing the silver salt, and performing lucifugal reaction for a period of time; completely washing the silk fiber product after the reaction, and drying to obtain a silver-containing silk fiber product; and performing degumming treatment on the silver-containing silk fiber product to obtain the antibacterial fibroin protein fiber. The preparation method provided by the invention is simple and easy in batched production; and in the prepared antibacterial fibroin protein fiber, the antibacterial agent nano-silver is mainly distributed in the fiber, so that excellent biocompatibility of the fibroin protein can be maintained, the biological toxicity exposed by the nano-silver is avoided, broad-spectrum antibacterial property is given to the fibroin protein fiber product, the antibacterial property is durable, and the antibacterial fibroin protein fiber is very suitable for people sensitive to the antibacterial agent and can serve as biological products such as antibacterial dressing and antibacterial suture lines.

The invention discloses a preparation method of non-dissolution type durable antibacterial regenerated cellulose fibers. The method comprises the steps as follows: firstly, cellulose sizy dregs are prepared into a spinning viscose solution, and a reactive antibacterial agent is added in the process or after the process ends; and then processing steps of spinning, post-processing and drying are performed sequentially, so that the durable antibacterial regenerated cellulose fibers are prepared. Therefore, the antibacterial agent provided with reactive groups is adopted and added into the spinning solution; the agent and hydroxide radicals on macromolecular side chains of the cellulose fibers form covalent bond combination; and the cellulose fibers with antibacterial performance are prepared with the wet spinning method. The fibers have permanent antibacterial performance; and the fibers have reactions with the cellulose macromolecular side chains, so that no damage is caused to the basic performance of the cellulose fibers.

The invention relates to interlaced fabric of permanent radiation-proof anti-bacterial and anti-static worsted cashmere fabric, wherein the worsted fabric adopts a duplex fabric structure; the worsted fabric includes compositions by weight as follows: the content of cashmere ranges from 30 to 35 percent, the content of cleancool ranges from 55 to 59 percent, the content of silvered fibers is 8 percent, and the content of electro-conductive fibers is 2 percent, wherein the denier of cleancool is 1.67dtex, and the length of cleancool ranges from 38 to 40mm; the specification of the electro-conductive fibers is 3.3dtex/38mm, and the electrical conductivity ranges from 105 to 6; the fineness ratio of cashmere ranges from 15.2 to 15.6 micrometers, and the length ranges from 38 to 45mm; in addition, the specification of silvered filaments is 2.2dtex/3f. The worsted fabric has the characteristics of cashmere and silk sheen, is permanently antibacterial, achieves the anti-static index that reaches the national standard of GB/T20944.1-2007, achieves the radiation-proof ratio that reaches the standard of ASTMD4935-99 (American Society of Testing Materials4935-99), can resist bacteria permanently and can also reduce the damage to a human body caused by electromagnetic radiation.

The invention relates to a piece of self-aromatic natural antibacterial deodorization non-woven cloth which comprises double-component fiber. The self-aromatic natural antibacterial deodorization non-woven cloth comprises double-component fiber, self-aromatic fiber and natural antibacterial deodorization fiber, and is made of the double-component fiber, the self-aromatic fiber and the natural antibacterial deodorization fiber which are randomly arranged in the longitudinal direction and the transverse direction after the fibers are weighed and combed so as to form a mixed fiber net after being longitudinally and transversely interwoven, tangled, embraced and paved, and the mixed fiber net is treated in a heat setting compounding manner. The self-aromatic natural antibacterial deodorization non-woven cloth is free of irritation on human skin, is capable of inhibiting invasion and generation of bacteria, is high in amino absorption rate, very outstanding in antibacterial anti-molding deodorization effect and high in product additional value, and has the characteristics of being uniform in aroma release and long in aroma retention time.

The invention discloses a multi-component antibacterial non-woven fabric. The antibacterial non-woven fabric is formed by mixing 80%-20% by mass of modified polyamide and 20%-80% by mass of modified polyester, and preparing and molding through a spunbond spunlace process; and the surface of non-woven fabric fibre member is provided with a chloramine structure connected by covalent bond. The multi-component antibacterial non-woven fabric disclosed by the invention has the characteristics of strong sterilizing effect, ultrafine fibre, comfortable touch feeling and good mechanical property, and overcomes the defects of a post-treatment method using a finishing agent during traditional preparation of the antibacterial fabric; and the non-woven fabric disclosed by the invention is subjected to simple chloration so as to recycle the sterilizing effect of the non-woven fabric.

The invention provides a chitin polyester fiber. Raw materials for preparing the fiber include polyester chips, chitosan, a modifier and a regulator; and the mass ratio of the polyester chips to chitosan to the modifier to the regulator is (75-85):(3-5):(4-5.5):(1.5-2.3). The polyester chips has the water content of less than or equal to 0.2%, the acetaldehyde content of less than or equal to 1%,the acid value of max.35 Meq/kg and the inherent viscosity of 0.865+/-0.015 dl/g; the chitin polyester fiber provided by the invention has the water retention rate of 18-20% and the dyeing degree of 92-95%; and the chitin polyester fiber has functions of permanent skin affinity, antibacterial property and mildew prevention. No spinder webs are generated in a process of preparing the chitin polyester fiber, so that the winding performance of a bobbin is improved, the web breaking and filament breaking caused in subsequent processing due to the addition of chitin fiber are avoided, and the quality of the fiber is improved.

The invention discloses an antibacterial silk product with nano-copper and a preparation method of the antibacterial silk product with nano-copper. The preparation method comprises the following steps: immersing a silk product in a buffer solution containing monascus, then adding a copper hydrochloride solution for soaking the immersed silk product, then performing reduction treatment with a reducing agent, and finally, performing cleaning and drying to obtain the antibacterial silk product with nano-copper. The antibacterial silk product with nano-copper and the preparation method thereof have the advantages that the broad-spectrum antibacterial property of silk fibers and fabrics thereof can be improved, furthermore, harm to human bodies can be avoided, and pollution to the environment also can be avoided; the preparation method is simple and easy to realize batch production; and the prepared antibacterial silk fiber product has excellent and lasting antibacterial property.

An antibacterial natural silk fiber product and a preparing method thereof are disclosed. The method includes steps of preparing a formic acid solution, then adding a silver salt to the solution, stirring the solution to dissolve the silver salt, soaking a natural silk fiber product in the solution comprising the silver salt, performing a reaction for certain time, fully washing the reacted natural silk fiber product, and drying the natural silk fiber product to obtain the antibacterial natural silk fiber product. Wide-spectrum antibacterial performance of silk fibers and textiles thereof are improved, harm to human bodies is avoided, and environment pollution is avoided. The method is simple and prone to bulk production. The obtained antibacterial natural silk fiber product has good antibacterial performance, and the antibacterial performance is durable.

The invention discloses a polyolefin film with an anti-bacterial function. The sterilizing polyolefin film comprises the following raw materials by weight percentage of: 100 % of polyolefin, 1%-10% of a functional monomer containing double bonds and an amine structure, and 0.1%-4% of a radical initiator, the raw materials are subjected to reactive extrusion through a double-screw extruder so as to prepare modified polyolefin raw granules, the modified polyolefin raw granules are subjected to a blow molding and casting film forming process, and a functionality film the surface of which is provided with a chloramine structure is prepared. The polyolefin film with the anti-bacterial function, provided by the invention, has the advantages of strong sterilizing function, good mechanical property and the like, and the abuse that the conventional anti-bacterial film utilizes a rear processing method of a finishing agent is overcome. The polyolefin film with the sterilizing function, provided by the invention, can kill bacteria for one time, and a functional group containing the amine structure is changed into a functional group with a chloramine antibiosis structure through the amine chloration, so that a film material has a circulating anti-bacterial function.

The invention belongs to the field of antibacterial and antiviral polyolefin packaging bag special materials, and particularly relates to an antibacterial and antiviral express packaging bag special material and a preparation method thereof. The preparation method comprises the following steps: mixing polyolefin powder, an antioxidant, an auxiliary antioxidant, a halogen absorbent and an antibacterial agent in a high-speed stirrer for 2-3 minutes to obtain a mixture, and extruding and granulating the mixture by a double-screw extruder to obtain the antibacterial and antiviral express packaging bag special material. Polyolefin materials such as polypropylene and polyethylene have permanent antibacterial, mildew-proof and antiviral properties, and an express packaging bag produced by using the special material also has permanent antibacterial, mildew-proof and antiviral properties, so that the diffusion of pathogens is effectively prevented.

The invention discloses a stretch-resistant and aging-resistant plastic film. The stretch-resistant and aging-resistant plastic film comprises, by weight, 50-60 parts of PVC (polyvinyl chloride) resin, 20-25 parts of polystyrene, 10-15 parts of disulfide carbamic acid ester, 10-15 parts of elastomers, 10-15 parts of bamboo charcoal powder, 3-7 parts of plasticizers, 5-9 parts of sodium alginate, 10-14 parts of carbon fibers, 5-10 parts of glass fibers, 3-5 parts of 2-hydroxypropyl-beta-cyclodextrin, 3-5 parts of nanometer titanium dioxide powder, 2-4 parts of nanometer tin antimony oxide powder, 1-3 parts of light stabilizers, 2-4 parts of natural antibacterial agents and 2-4 parts of plant oil. The stretch-resistant and aging-resistant plastic film has the advantages that the stretch-resistant and aging-resistant plastic film is economical, environmentally friendly, antistatic, stretch-resistant, aging-resistant, fog-resistant, safe and reliable and is wide in application, and the physiochemical properties of the stretch-resistant and aging-resistant plastic film can be effectively controlled while high light permeability of the stretch-resistant and aging-resistant plastic film is guaranteed; excellent antibacterial, weather-resistant, stable, heat-insulation, anti-ultraviolet and self-cleaning effects can be realized by the stretch-resistant and aging-resistant plastic film, and the like.

The invention provides a easy-to-clean knitted fabric. The easy-to-clean knitted fabric is a weft-knitted double-sided knitted fabric formed by connecting a front fabric 1 and a back fabric 2 through a connecting point 3. According to the invention, while the fabric is finished with a easy-to-clean auxiliary agent FC-226 and yarn is treated with a waterproof and oil-resistant auxiliary agent NB-NH, an easy-to-clean knitted fabric structure is designed. According to a yarn structure, wrap yarn is adopted, and the outer layer wrap yarn mainly needing to be cleaned is relatively easy to clean; and according to the fabric structure, the double-sided fabric structure is adopted, two layers are not tightly connected, a certain gap is reserved, and drop needle wales are arranged, so that washing water flow can easily pass through the space between the two layers of fabric, and cleaning is easy. According to the easy-to-clean knitted fabric, the easy-to-clean structure is configured according to the use mode of clothes; the inner side face of the fabric is more easily polluted by human bacteria, so that antibacterial polyester fibers are configured; and the outer side face of the fabric is more easily polluted by the environment, so that anti-pollution Sorona fibers are configured.

The invention discloses an ammonium salt antibacterial polyethylene material and a preparation method thereof. The preparation method comprises the following steps: taking single-terminal hydroxyl polyethylene as a raw material, reacting with a chain transfer agent to obtain a polyethylene macromolecular chain transfer agent, and initiating ammonium salt polymerization by utilizing the polyethylene macromolecular chain transfer agent to obtain an ammonium salt antibacterial polyethylene material; the preparation process of the ammonium salt antibacterial polyethylene material is simple and non-toxic, and the obtained antibacterial material is safe and has lasting antibacterial property; good antibacterial activity is realized on proteus, pseudomonas aeruginosa, staphylococcus aureus and escherichia coli.

The invention discloses a fine denier polyester, antibacterial polyester and cotton three-component super-soft antibacterial yarn. The antibacterial yarn is prepared from the following components in percentage by weight: 30% of fine denier polyester fibers, 20% of antibacterial polyester fibers and 50% of cotton fibers, and 14.8 tex blended yarn is prepared from the fibers through a blending process; a manufacturing method of the antibacterial yarn comprises the following steps: S1, selecting raw materials; S2, pretreating the raw materials; S3, conducting a blowing and carding procedure; S4, conducting a drawing procedure; S5, conducting a roving procedure; and S6, conducting a spinning procedure, specifically, drawing the rough yarn, outputting the rough yarn through a jaw formed by a front rubber roller and a front roller, cutting the rough yarn through a single-wheel-disc rotating wheel with a set matching speed, and running through yarn guide ceramic, a steel wire coil and a steel collar to form low-twist yarn. The prepared antibacterial yarn has the characteristics of being uniform in evenness, high in strength, soft, fluffy, lasting in antibacterial performance and the like; and the antibacterial effect on three strains including escherichia coli bacteriostasis rate, glucococcus and candida albicans is obvious, and the bacteriostasis rate reaches 99%.