43results about How to "Strong retention rate" patented technology

The invention discloses a production method of a cellosilk enhanced compound hollow fiber membrane, which comprises the following steps: by adopting a liquid phase transfer hollow spinning process, firstly, preparing polymer (such as polyether sulfone or polysulfone and the like), solvent and a pore-forming agent into a membrane casting liquid to produce a hollow fibrous membrane; tightly attaching the cellosilk treated by adhesive solution to the outer surface of the prepared hollow fiber membrane; secondly, producing polyvinylidene fluoride or mixture of other polymers, solvent and pore-forming agent into coating liquid of an outer compound layer of the compound hollow fiber membrane; coating the costing liquid outside the hollow fiber membrane to which the cellosilk is attached by using a coating machine to form a compound outer layer; thirdly, feeding into an outer coagulating bath, wherein the solvent, the pore-forming agent and the like in the coating liquid enters liquid phase and the polymers in the coating liquid are precipitated to a polymer compound hollow fiber outer layer due to phase transfer; and finally producing a hydrophilic cellosilk enhanced compound hollow fiber membrane with high strength and high flux.

The invention discloses special toothpaste containing multiple components from natural sources for children. The toothpaste is prepared from 52-53% of (sorbose) sorbitol, 14-16% of egg shell powder, 1.5-2.5% of glycerinum, 1.2-1.4% of sodium lauryl sulfate, 2.5-3.5% of xylitol, 1.4-1.6% of pulullan, 1-1.5% of propolis extract, 1.8-2.2% of honeysuckle extract, 0.08-0.12% of ethylene diamine tetraacetic acid disodium salt, 0.04-0.06% of sodium benzoate, 0.08-0.12% of nisin and the balance deionized water, and is prepared according to a method for preparing conventional toothpaste. The special toothpaste for children is not only capable of generating rich foams, being wild and having no irritation and having small erosion on teeth of children, but also capable of having a better carries-preventing effect when being used cooperatively with natural extracts capable of inhibiting bacteria inducing caries and a sweetening agent capable of preventing caries.

The invention discloses a compound wax microemulsion composition, and a preparation method and an application thereof. The compound wax microemulsion composition comprises the following components inpercent by weight: 8-28wt% of high melting point oxidized polyethlene wax, 4-14wt% of low melting point wax, 1-3wt% of a hyperbranched Gemini surfactant, 0.5-3wt% of a hyperbranched softener, 3-13wt%of an emulsifier, 0.1-1wt% of sodium hydroxide or potassium hydroxide and 50-80wt% of water based on the total weight of the compound wax microemulsion. The compound wax microemulsion can be preparedby a one-step high-temperature emulsification method which is simple in process. The prepared compound wax microemulsion is good in centrifugal stability and diluting stability. By trimming the microemulsion to a textile, the smooth performance of the textile can be improved obviously, the coefficient of kinetic friction of yarns can be reduced, the sewing performance and hydrophilia of a knittedfabric are improved, and yellowing is reduced.

The invention discloses a multifunctional finishing agent which comprises chitosan, sericin, titanium dioxide, hydrosol, aloin, tea polyphenol, quaternary ammonium salt, ethylenediamine tetraacetic dianhydride, polyatomic acid, glucose, hexa (4-amino phenoxy) cyclotriphosphazene, ammonium polyphosphate, guanidine carbonate, graphene oxide, montmorillonoid, magnesium chloride, egg protein, polyvinyl alcohol, coupling agents, acetic acid and solvents. The multifunctional finishing agent is reasonable in formula, and a finished fabric is good in antibacterial property, excellent in flame resistance, soft in hand feeling, resistant to creasing and washable.

The invention relates to an efficient and poor yellowing-changing citric acid non-iron finishing liquid and the application thereof. The finishing liquid is a citric acid aqueous solution containing a polyatomic alcohol chain extendor, a penetrating agent, a softening agent and an esterized catalyst. The application is as follows: a piece of fabric is in padding into finishing liquid, after padding, the liquid carrying rate can reach 50 to 80 percent, pre-baking and baking are performed, and then water washing and drying are carried out, so as to obtain a piece of finished fabric. According to the invention, by adding the polyatomic alcohol chain extendor, two problems of yellowing and poor resilience in citric acid DP (durable press) finishing to pure cotton fabric can be solved at the same time, as a result, the citric acid non-iron finishing having a cost advantage can meet the requirements of replacing 2D resin finishing in performance, and has a great significance to the popularization of polybasic carboxylic acid formaldehyde-free nonironing.

The invention discloses an anti-wrinkle finishing process of a silk fabric, which relates to the technical field of anti-wrinkle finishing of fabrics. The anti-wrinkle finishing process comprises the following steps of preparing an anti-wrinkle finishing agent from the components of olefin acid oligomer, formic acid, a catalyst, an organic silicone softening agent and water; under the conditions that the bath ratio is 1:(25-30) and the temperature is 20-30 DEG C, carrying out immersion and rolling for twice on the silk fabric in finishing liquor containing the anti-wrinkle finishing agent with the take-up rate being 85%-90%; prebaking the immersed and rolled silk fabric for 3-5 minutes, then baking the fabric for 1-2 minutes at the temperature of 140-150 DEG C, washing by hot water at the temperature of 40-50 DEG C and water at the temperature of 20-25 DEG C, drying at the temperature of 70-80 DEG C to obtain the finished silk fabric. The anti-wrinkle finishing process disclosed by the invention has the advantages that the raw materials of the anti-wrinkle finishing agent are low in price, do not contain formaldehyde, and has economic and environment-friendly effects; the anti-wrinkle finishing process is simple and easy to operate; the finished silk fabric has good anti-wrinkle recovery performance, a high retention rate and good anti-wrinkle performance.

The invention discloses a preparation method of a formaldehyde-free crease-resistant finishing agent, and belongs to the technical field of textile finishing. The preparation method comprises the following steps: extracting fibroin from silk, carrying out a cross-linking reaction with itaconic acid, acrylic acid and the like to obtain a reactant for standby use, then mixing and soaking cotton fiber with water, then dropwise adding a sulfuric acid solution and cold water after defibering to obtain a turbid liquid, after mixing with deionized water after centrifugal separation for ultrasonic dispersion, adding acid anhydride for a stirring reaction to obtain a mixture, after centrifugal separation and washing drying, stirring and mixing a cocoanut fatty acid diethanolamide solution and linoleic acid to obtain a mixed liquor A, and then stirring and mixing with a standby reactant and carboxymethylcellulose to obtain the cotton fabric formaldehyde-free crease-resistant finishing agent. The preparation method is simple in preparation steps, the obtained formaldehyde-free crease-resistant finishing agent is free of formaldehyde release and is safe and environmentally-friendly, a fabric after being used does not yellow, the fabric is little in strength damage, and the break strength retention and chromaticity of the fabric can be effectively improved.

The invention provides a crease resistant finishing agent for cotton fabric and a crease resistant finishing method, and relates to the technical field of garment fabric finishing. The crease resistant finishing agent for the cotton fabric is prepared from the following raw materials in parts by weight: 6-13 parts of butanetetracarboxylic acid, 3-7 parts of pyromellitic dianhydride, 3-6 parts of ethylenediamine tetraacetic acid, 3-7 parts of chitosan, 0.005-0.03 part of nano dioxide, 0.3-0.6 part of silane coupling agent, 4-8 parts of softening agent, 6-10.5 parts of sodium hypophosphite, 3-8parts of polyethylene glycol 500, 30-60 parts of propylene glycol and 1000 parts of water. Under the condition that a small amount of butanetetracarboxylic acid and sodium hypophosphite are used, thecotton fabric can be endowed with excellent comprehensive performance and is good in crease resistant effect, large in recovery angle, high in tear strength retention rate and good in whiteness.

The present invention discloses a method for producing an alkali-proof glass ball with high content of zirconia, which adopts quartz sand, calcite, zirconite, rutile, fluorite, niter and calcined soda as the raw materials and the supplementary materials or introduces partial grog to substitute the raw and the supplementary materials. After the raw and supplementary materials are configured into the batch, the batch is delivered to a natural gas melting kiln to be melted, and the alkali-proof glass ball is completed through the cooling, precipitation, ball-making and annealing processing. Since the consumption of the zirconite is increased and the consumption of the rutile is greatly reduced in the powder of the raw materials, and relative craftwork parameters are adjusted, a product meeting the technical standard of the high zirconia alkali-proof glass ball is produced with the present invention. The glass ball that is produced with the method of the present invention has the advantages that the fiber-drawing efficiency can be improved by ten percent, the fiber-drawing cost can be reduced by six to eight percent, the strength retention rate of the glass fiber can be improved by twenty percent or more, the alkali-proof strength is obviously improved, and the service life can reach to 70 years or more when the alkali-proof glass ball is used for producing the glass-fiber reinforced cement products, etc.

The invention relates to a production process for filled paper. The production process comprises the following steps: mixing a papermaking filling material, cationic starch and a cationic starch cross-linking agent so as to prepare a mixed liquor system; adjusting the temperature of the mixed liquor system to allow the cationic starch to be gelatinzed and cross-linked so as to realize wrapping of a filling material particle; mixing the mixed liquor system in which wrapping of the filling material particle is finished with a pulp fiber so as to prepare paper pulp; and subjecting the paper pulp to paper making so as to obtain finished paper. The invention also relates to the filled paper produced by using the production process. Compared with the prior art, the production process for the filled paper provided by the invention has the following advantages: influence of the filling material on paper strength can be overcome, and more filling materials can be added to replace the pulp fiber. The filled paper produced by using the production process has the advantages of low cost and high strength.

The invention discloses a treatment method of an ultraviolet-resistant aromatic high-performance fiber. The method comprises the steps that an ultraviolet-resistant treating agent is prepared into a treating solution with the bath ratio of 15-50 to 1 according to the fiber weight of 1.5-5%, even stirring is performed, the pH of the ultraviolet-resistant treating agent is regulated to be 5-7, then the aromatic high-performance fiber is put in the ultraviolet-resistant treating agent, and treatment is performed according to the steps and conditions of a conventional high temperature and high pressure dyeing process (shown in the description). By the adoption of the treatment method, the aromatic high-performance fiber can play a lasting ultraviolet-resistant function, can also synchronously achieve corresponding fiber dyeing, the strength retention rate of the fiber subjected to ultraviolet irradiation is effectively improved, an operation process is simple, and the conditions are easy to control. The method is suitable for industrialized production.

The invention discloses a glass fiber film laminating expansion process applied to a clutch surface patch reinforcing material. The process comprises the following steps that continuous glass fibers are pre-impregnated with a 140-I-type impregnating agent at first, then the continuous glass fibers pre-impregnated with the 140-I-type impregnating agent are subjected to film laminating wrapping through a film laminating machine to obtain film-laminated glass fibers, and finally, the film-laminated glass fibers are sent into a PH1-type glass fiber expansion machine for expansion. By means of theprocess, after the continuous glass fibers are pre-impregnated with the impregnating agent and subjected to film laminating, the film-laminated surface of the surface layer of each continuous glass fiber is provided with a plurality of venting holes, and the implementation of subsequent expansion can be ensured; the tight adhesion of film laminating of the glass fibers is increased to the greatestdegree through the pre-impregnating function of the 140-I-type impregnating agent, and the adhesion performance of the 140-I-type impregnating agent is the best among all glass fiber impregnating agents.

The invention discloses a multifunctional scouring agent for continuous steaming scouring and bleaching of cotton knit and a preparation method of the multifunctional scouring agent. The multifunctional scouring agent for continuous steaming scouring and bleaching of the cotton knit is prepared from the following raw materials in parts by weight of 8-12% of an environment-friendly phosphorus-free chelating dispersant, 20-30% of a low-foam surfactant, 2-5% of a cosolvent, 1-3% of a functional additive, 15-25% of a hydrogen peroxide stabilizer and 25-54% of deionized water. The efficient multifunctional scouring agent is prepared by compounding a plurality of high-molecular polymer shape-retaining phosphorus-free chelating dispersants and sodium polyhydroxycarboxylate with the low-foam surfactant and inorganic salt; the preparation method is simple; and the prepared multifunctional scouring agent integrating scouring permeation, oil removal, emulsification dispersion and hydrogen peroxide stabilization meets the requirements of OEKO-TEX100 environment-friendly textile chemicals, has excellent chelating dispersion capacity, endows fabrics with good whiteness and capillary effect, and obtains an efficient and stable scouring effect.

The invention relates to a high-strength-retention non-ironing finishing method for pure cotton textiles. The method comprises the steps: padding the pure cotton textiles with finishing liquid at a liquid entrainment rate of 40% to 80%, then, carrying out baking, and then, carrying out neutralization washing and softening, thereby obtaining the pure cotton textiles, wherein a method for preparingthe finishing liquid comprises the steps of adding 1,3,5-triacryl hexahydro-1,3,5-triazinyl FAP and alkali, which are in a mass ratio of (50 to 160): (2 to 50), into water, heating the temperature ofthe mixture to 80 DEG C to 95 DEG C to subject the FAP to a hydrolysis reaction until the FAP is completely dissolved. According to the method, the problem of poor water solubility is overcome, and the disadvantage of ammonia water modification is also avoided; the cotton textiles are finished with the hydrolyzed FAP, the non-ironing anticrease effect is good; crosslinking is performed under alkaline conditions, so that the problem of high-temperature acid degradation of cellulose is absent, and the strength retention is high.