Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

120results about How to "Good decontamination performance" patented technology

Preparation method of modified cation waterborne polyurethane emulsion containing hydrophilic and hydrophobic side long chains and product thereof

The invention relates to a preparation method of modified cation waterborne polyurethane emulsion containing hydrophilic and hydrophobic side long chains and a product thereof. The method comprises the following steps that raw materials are prepared; polyester glycol dehydration pretreatment is carried out; polyester glycol obtained after dehydration pretreatment is subjected to a prepolymerization reaction with an end alkyl polysiloxane linear body, a nonionic chain extender, a functionality chain extender and diisocyanate under catalyzing of a polymerization catalyst so that a prepolymer can be obtained; the prepolymer reacts with a nonionic chain extender and a part diluent to prepare an intermediate; the intermediate reacts with a silane coupling agent, and is emulsified to prepare the modified cation waterborne polyurethane emulsion. The product is a polyester type cation waterborne polyurethane high-polymer material containing hydrophilic and hydrophobic side long chains, wherein polysiloxane is embedded into a main chain of the material, a side chain is grafted with long-chain polyether and long-chain alkyl, and the silane coupling agent is connected into the tail end of the material; the film-forming ability is high, and serving as a film, the emulsion has obvious water-repellent, antifouling and easy dirt-removing abilities, is excellent in compatibility with a cation softening agent, and has an excellent low-temperature soft feature; the product is safe, environmentally friendly and convenient to use.
Owner:HUBEI DAYA BIOLOGICAL TECH CO LTD

Preparation method of washable three-proofing and easy-decontamination antibacterial fabric

The invention discloses a preparation method of a washable three-proofing and easy-decontamination antibacterial fabric. The preparation method is characterized by comprising the following steps of: soaping, to be specific, after desizing, scouring, bleaching and mercerizing the fabric in advance, removing impurities on the cloth cover by a soaping process, and then drying; and performing one-bathprocess washable three-proofing and easy-decontamination antibacterial finishing, to be specific, shaping and processing the soaped and dried fabric on a shaping machine, drying, baking and finishing, thereby obtaining the washable three-proofing and easy-decontamination antibacterial fabric. A working solution which simultaneously contains a C6 durable three-proofing finishing agent, a purifiedcotton durable fluorine-free waterproof agent, a durable crosslinking agent, an antibacterial agent and a special waterproof penetrant is contained in a rolling groove of the shaping machine, and thefabric is subjected to padding, then is dried and baked to obtain the washable three-proofing and easy-decontamination antibacterial fabric. The preparation method solves the contradiction between thethree-proofing and the easy decontamination, and also solves the problems between the three-proofing and the bacteria prevention; and meanwhile the fabric is endowed with the function of washing resistance, and can meet the overall actual needs for functional fabrics in actual situations.
Owner:江苏康乃馨纺织科技有限公司

Liquid textile washing agent composition and method for improving color protection performance of liquid textile washing agent composition

The invention discloses a liquid textile washing agent composition and a method for improving a color protection performance of the liquid textile washing agent composition. The composition contains a cation hydroxypropyl oxidized starch derivative; and the cation substitution degree is 0.20-1.00 and the number-average molecular weight of a polymer is 1000000-4000000. The cation hydroxypropyl oxidized starch derivative has a textile color fixing effect and also can prevent an anti-cross-color phenomenon from occurring between colored textiles. More importantly, cation hydroxypropyl oxidized starch has good compatibility with an anion surfactant and a fluorescent whitening agent; and the liquid textile washing agent composition has a good washing and stain-removing capability. According to the liquid textile washing agent composition and the method for improving the color protection performance of the liquid textile washing agent composition, disclosed by the invention, the washing function can be provided for a consumer, the color loss of the textiles and the mutual color crossing between the textiles are remarkably reduced, and the colors of the textiles keep bright.
Owner:GUANGZHOU LIBY

Polishing technology

The invention relates to a polishing technology, and relates to the field of jadeware polishing. The polishing technology mainly aims to solve the technical problem that because sludge adheres to the surface of a to-be-polished piece in the prior art in the polishing process, the polishing effect is poor. According to the main technical scheme, the polishing technology includes the following steps that a to-be-polished piece and emery are added into a polishing machine, and the to-be-polished piece is subjected to sealing polish for the first time; the to-be-polished piece having been polished for the first time, emery and low-foaming detergent are added into the polishing machine, and the to-be-polished piece is subjected to sealing polish for the second time; the to-be-polished piece having been polished for the second time, emery and low-foaming detergent are added into the polishing machine, and the to-be-polished piece is subjected to sealing polish for the third time; the to-be-polished piece having been polished for the third time, emery and low-foaming detergent are added into the polishing machine, and the to-be-polished piece is subjected to sealing polish for the fourth time; the to-be-polished piece having been polished for the fourth time, emery and low-foaming detergent are added into the polishing machine, and the to-be-polished piece is subjected to finishing polish.
Owner:新疆布尔津县友谊峰玉石加工厂

Polyester fabric-containing multifunctional washing assistant, preparation and use thereof

The invention discloses a multifunctional cleaning assistant for polyester containing textile and a preparation method thereof. The multifunctional cleaning assistant for polyester containing textile is polyester-polyether block copolymer with molecule containing polyester chain segment and polyether chain segment. The preparation method comprises the following steps: 1) 100 weight portions of diatomic ester, 70 to 80 weight portions of diatomic alcohol and 0.2 to 0.6 weight portions of transesterification catalyst are added into a reaction kettle, nitrogen is pumped in and the reaction kettle is heated until the temperature rises to 150 DEG C; stirring is carried out, after diatomic ester is totally melted, the temperature is raised gradually to the reaction temperature of transesterification reaction of 180 to 220 DEG C and the transesterification reaction lasts 2.5 to 3 hours; 2) when the steamed methanol steamed reaches a theoretical quantity of 90 to 95 percent, 60 to 926 weight portions of polyether, 0.1 to 0.5 weight portion of polycondensation catalyst, 2 to 4 weight portions of antioxidant are added, heating is continued until the temperature reaches that of polycondensation reaction of 230 to 280 DEG C and polycondensation lasts 0.5 to 1.5 hours after vacuum-pumping. The multifunctional cleaning assistant of the invention is applied to the cleaning or rinsing working procedure during the course of household cleaning with an amount of 0.5 to 1g/ L, can provide polyester containing textile with multiple functions such as hydrophile, anti-static electricity, and being easy to decontaminate, etc. and has excellent washability.
Owner:ZHEJIANG SCI-TECH UNIV

Hydrophilic modification method for polyester fibers with bromoethane and PVA

The invention discloses a hydrophilic modification method for polyester fibers with bromoethane and PVA and belongs to the technical field of macromolecules. According to the method, a sodium hydroxide solution is added to the polyester fibers, the mixture is stirred, heated and preprocessed, the surfaces of the polyester fibers are damaged, and subsequent modification processing is facilitated; a bromoethane solution is added to the polyester fibers, the mixture is stirred and heated and subjected to modification treatment, then a PVA solution with the mass ratio being 4-5.5% is added to the polyester fibers, the mixture is stirred and heated, and the polyester fibers obtained after hydrophilic modification is obtained. According to the method, after the sodium hydroxide solution is added for preprocessing the polyester fibers, the bromoethane solution and the PVA are utilized to conduct modification processing on the polyester fibers, and the polyester fibers good in hydrophilia and antistatic performance are obtained. The method is easy and convenient to operate, the reaction speed and the reaction temperature are easy to control, the amount of organic solvent added in the reaction process is small, low toxin, low pollution and low emission are achieved, subsequent operation is easy and convenient to conduct, industrialized popularization are facilitated, and high economic benefits are achieved.
Owner:苏州东奕盛材料科技有限公司

Production process of moisture-absorbing and sweat-releasing fabric capable of removing stains easily

The invention discloses a production process of a moisture-absorbing and sweat-releasing fabric capable of removing stains easily. The fabric is formed by weaving 50-60S of blended yarn and 75-100 D Coolplus fibers on a knitting double-sided large circular machine, wherein the mass proportion of the blended yarn in the fabric is 60-67%, the blended yarn is formed by blending modal fibers and cotton fibers, and the mass proportion of the modal fibers in the blended yarn is 45-55%; and the production process comprises the steps of carrying out weaving, pretreatment, dyeing, dehydration, cutting,drying, shaping, and finished product obtaining. According to the production process of the moisture-absorbing and sweat-releasing fabric capable of removing stains easily, the fabric is comfortable,soft and not prone to being deformed by virtue of the moisture absorption and conduction effect of the core of the Coolplus fibers and the moisture-absorbing and sweat-releasing performance of the blended yarn; and in addition, the surface of the fabric is subjected to soil release finish, so that the fabric is excellent in effect of removing stains easily, the antistatic performance is enhanced,wearing is comfortable, the harm of static electricity to human bodies is reduced, and the fabric conforms to the consumption concept of ecological environmental protection and health.
Owner:JIANGSU DONGYUAN TEXTILE SCI & TECH IND
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products