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

457results about How to "Antifouling" 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

Finishing method of fiber product free of cleaning by detergent

The invention provides a finishing method of a fiber product free of cleaning by a detergent. The technical process comprises singeing, desizing, mercerizing, tentering and preshrinking. The finishing method is characterized in that enzyme piling is added between the singeing and the desizing; a high-efficiency desizing technique is adopted in desizing; liquid ammonia finish and pretreatment are added between the mercerizing and tentering; baking finish is added between the tentering and preshrinking so as to lead the whole technical process to be singeing, enzyme piling, desizing, mercerizing, liquid ammonia finish, pretreatment, tentering, baking and preshrinking. Textiles manufactured by adopting the technique is not cleaned by using the detergent for cleaning, has basically the same cleaning effect with that of cleaning during which the detergent is added, also can not generate secondary dirt in cleaning; and simultaneously, the textile manufactured by using the method has the functions of fouling resistance and easy decontamination, proper oil-proof function, excellent multiple functions of water absorption, air permeability, washing resistance and electrostatic resistance, meets the requirements of people and belongs to an ideal high-grade textile which is energy-saving, environment-friendly and low-carbon.
Owner:LUTAI TEXTILE

Superhydrophilic/underwater superoleophobic coating material and preparation method thereof

The invention relates to a superhydrophilic / underwater superoleophobic coating material and a preparation method thereof. The coating material is composed of a primer layer and a finish coat layer, wherein the primer layer is mainly composed of a hydroxy acrylic resin and a curing agent thereof; the finish coat layer is composed of polyvinyl alcohol and nanoparticles; and the curing agent in the primer can produce chemical crosslinking reaction with the polyvinyl alcohol. The preparation method comprises the following steps: applying the primer layer on the substrate surface; applying the finish coat layer, and precrosslinking by drying at room temperature or low temperature to initiate the chemical bonding between the primer layer finish coat layer; soaking the coating in a crosslinking agent water solution for some time; and taking the coating out of the crosslinking agent water solution, and sufficiently curing the primer layer by drying at room temperature or high-heat treatment. The coating material obtained by the method has a gradient micro / nano structure surface, and has the advantages of outstanding superhydrophilicity and underwater superoleophobicity, high binding force with the substrate and favorable transparency. The coating material can be used as an antifogging coating, and can also be used as a self-cleaning antifouling coating on the surface of an underwater facility.
Owner:FUDAN UNIV

Super-hydrophilic coating with long-acting antibacterial property and preparation method thereof

The invention provides a super-hydrophilic coating with a long-acting antibacterial property and a preparation method thereof. The preparation method comprises the following steps that the surface ofa substrate material is pretreated; the pretreated substrate material is put into a slight acidic buffer solution, then a polyphenolic substance, a multi-amine compound, an antibacterial agent and anoxidizing agent are added to react; a reaction product is immersed in deionized water, ultrasonic cleaning is carried out, then drying is carried out under a nitrogen condition to prepare the coating.The super-hydrophilic coating with the long-acting antibacterial property and the preparation method thereof have the advantages that the operation is simple, the reaction condition is mild; the prepared coating material contains the polyphenolic substance, and a large number of carboxyl, phenolic hydroxyl group, quinonyl, amidogen and other functional groups and metal ions or agents which has the antibacterial property, so that the metal ions and the antibacterial agents achieve the long-term existence of the antibacterial agent through the mutual effect with the phenolic hydroxyl group function group or the accumulation of a pi-pi system. The coating can be applied to the preparation of wound dressing materials in the field of medical materials.
Owner:JILIN VENUS HAOYUE MEDICAL LTD

Antistatic, anti-dazzle and anti-reflection optical film and manufacture method for the same and application thereof

InactiveCN107203013AWith anti-reflection propertiesAntifoulingOptical elementsCoated surfaceAntistatic agent
The invention discloses an antistatic, anti-dazzle and anti-reflection optical film and a manufacture method for the same and an application thereof. The antistatic, anti-dazzle and anti-reflection optical film comprises a transparent film base material, an antistatic and anti-dazzle hard coating which is at least coated on the transparent film base material and an anti-reflection coating on the surface of the antistatic and anti-dazzle hard coating; the antistatic and anti-dazzle hard coating comprises a medium the refractive rate UV solidified resin with a refractive index ranging from 1.45-1.53, an active diluent, transparent anti-dazzle particles, a photoinitiator, an antistatic agent and a diluent; the anti-reflection coating consists of a low refractive rate material with a refractive index lower than 1.45 and a high refractive rate material with a refractive index higher than 1.52; the anti-reflection coating is formed through coating the antistatic and anti-dazzle hard coating on the surface of the transparent film base material and then performing one-time coating on the antistatic and anti-dazzle film after the film is formed. The antistatic, anti-dazzle and anti-reflection optical film and the manufacture method for the same and the application thereof can have functions of preventing static electricity, preventing dazzling, preventing scratching and fouling and can be applied to polarized plates of various kinds of flat displayers and display screen surface protection.
Owner:HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY

Superfine fiber synthetic leather and preparation method thereof

The invention relates to superfine fiber synthetic leather and a preparation method thereof, and belongs to the technical field of synthetic leather. The superfine fiber synthetic leather consists of a superfine fiber synthetic leather base fabric, a foamed bottom sealing filling layer, a coating top layer, a coating bonding layer and a surface treatment layer, wherein the foamed bottom sealing filling layer comprises the following components in part by weight: 10 to 30 parts of water-borne comprehensive resin, 30 to 40 parts of water-borne foamed resin and 1 to 5 parts of waterproof agent; the coating top layer comprises the following components in part by weight: 70 to 90 parts of water-borne polyurethane, 3 to 10 parts of water-borne color paste, 1 to 5 parts of flatting agent and 1 to5 parts of handfeel agent; the coating bonding layer comprises the following components in part by weight: 70 to 90 parts of water-borne polyurethane bonding agent, 3 to 10 parts of water-borne colorpaste and 1 to 5 parts of flatting agent; and the surface treatment layer comprises the following components in part by weight: 1 to 5 parts of waterproof agent and 1 to 5 parts of handfeel agent. The superfine fiber synthetic leather has good properties of scratch resistance, pollution resistance and water resistance, and has wide application prospect; and by adoption of the superfine fiber synthetic leather, clean production can be realized.
Owner:深圳市天之一科技开发有限公司

Quorum sensing quenching bacteria preparation method, MBR membrane pollution prevention and control method, and MBR membrane pollution prevention and control apparatus

The invention provides a quorum sensing quenching bacteria preparation method, a MBR membrane pollution prevention and control method, and a MBR membrane pollution prevention and control apparatus. The preparation method comprises: preparing an alternative strain having N-hexanoyl-homoserine lactone AHL decomposition and utilization capability from active sludge or sewage sampled from a sewage treatment plant; verifying the quorum sensing quenching ability of the alternative strain to screen quorum sensing quenching bacteria; and verifying the anti-bio-film ability of the quorum sensing quenching bacteria to obtain the effective quorum sensing quenching bacteria. According to the present invention, the prepared quorum sensing quenching bacteria uses the pollutants in the sewage as the nutrition to decompose other microorganisms during the growth process to generate the signal molecules, such that the concentration of the AHL signal molecules produced by other microorganisms in the membrane pool cannot achieve the concentration threshold required by the quorum sensing and the signal loop conduction cannot be formed so as to inhibit the bio-film formation of the membrane pool microorganisms on the MBR membrane assembly surface and achieve the effects of pollution prevention and energy consumption saving.
Owner:福瑞莱环保科技(深圳)股份有限公司

Nanometer coating used for preventing icing of high tension transmission line and application thereof

The invention relates to a nanometer coating used for preventing icing of a high tension transmission line and application thereof. The nanometer coating is prepared through the following steps: weighing, by weight, 10 to 15% of a high-molecular resin, 20 to 25% of titanium dioxide, 30 to 35% of silica, 3 to 5% of diamond-like carbon and 19 to 32% of a solvent; then compounding and uniformly mixing the high-molecular resin, titanium dioxide, silica and diamond-like carbon and carrying out grinding to obtain a particle with a particle size of 1 to 100 nm; and finally, adding the raw materials uniformly mixed and ground into the solvent and carrying out full stirring so as to obtain the nanometer coating used for preventing icing of the high tension transmission line. The coating provided by the invention allows the high tension transmission line to have the advantages of fouling resistance, icing resistance, high wear resistance and the like, provides a long-acting, high-efficiency, convenient, economic and feasible approach for active resistance to ice and snow disasters, realizes delaying and prevention of icing of super-cooled droplets on the high tension transmission line and enables no icing or little icing to be generated on the high tension transmission line in snowy weather.
Owner:STATE GRID CORP OF CHINA +2

Electronic product screen protection glass film and manufacturing method thereof

The invention discloses an electronic product screen protection glass film and a manufacturing method thereof. The glass film comprises a glass film planar part which is matched with a planar part of an electronic product screen, and a glass film curved surface part which extends out of the glass film planar part and is matched with a curved surface part of the electronic product screen. The manufacturing method comprises the following steps of: blanking, coating a glass demolding agent onto a mold, loading a blanked material onto the mold, heating the blanked material and the mold and preserving heat, pressurizing and assembling the mold, taking out for standing, reinforcing, performing vapor deposition and the like. The electronic product screen protection glass film disclosed by the invention has the functions of preventing stains, preventing fingerprints, preventing collision and the like, can be up to 7-8 H Moh's hardness on the aspect of the surface hardness, and can be widely applied to screen protection of electronic equipment such as mobile phones and electronic instrument displays; and due to the adoption of the manufacturing method of the electronic product screen protection glass film, the problem of easiness in breaking of thin glass during machining is solved, the rate of graded product is high, and the production and manufacturing costs are lowered.
Owner:蒋兰波

Multifunctional super-hydrophobic textile finishing agent, and preparation method and applications thereof

The invention discloses a multifunctional super-hydrophobic textile finishing agent, and a preparation method and applications thereof. The preparation method comprises following steps: a precursor of an oxide sol and a graphite oxide aqueous dispersion are dispersed in deionized water, an anionic surfactant is added, a catalyst is added for hydrolysis and condensation reaction after uniform dispersion so as to obtain a mixed reaction system, and the mixed reaction system is heated to 30 to 50 DEG C for 3 to 12h of reaction so as to obtain a hydrosol; a functional agent is added into the hydrosol so as to obtain the multifunctional super-hydrophobic textile finishing agent. The multifunctional super-hydrophobic textile finishing agent is safe, is friendly to the environment, is excellent in effect, is used for super hydrophobic and multifunctional finishing of textile, is capable of providing textile with six functions including super-hydrophobic property, flame resistance, antibacterial property, stain resistance, ultraviolet resistance, and skin protection performance, is capable of eliminating adverse effect of the plurality of functions, improving the synergistic effect; the preparation method is simple and convenient, is easy to control, and is suitable for large scale production.
Owner:石狮市杰立纺织科技有限公司

Antifouling paint for underwater coating construction

The invention discloses an antifouling paint for the underwater coating construction. The antifouling paint comprises a component A and a component B, wherein the component A comprises 20-50 parts of a low molecular epoxy resin, 5-20 parts of a plasticizer, 0.05-1 part of an antifoaming agent, 10-25 parts of silicate mineral powder, 15-40 parts of a broad spectrum antifouling agent, 3-15 parts ofan auxiliary antifouling agent, 0.5-5 parts of a pigment, and 0.5-5 parts of a thixotroping assistant; and the component B is a curing agent which is a Mannich base curing agent, and the mass of the curing agent accounts for 10-30% of the mass of the component A. According to the invention, the antifouling paint is an environmentally friendly resource conserving paint; the coating construction performance is good; the antifouling paint which allows the coating antifouling performance to be improved has a score of more than 85 when the coating is subjected to shallow sea hanging for six monthsin Xiamen seas; the underwater coating construction can be carried out through the antifouling paint; the antifouling paint has an antifouling effect on animal sea creatures of barnacle, oyster and mussel, and botanical algae; and the antifouling paint can be brush-coated, scrape-coated, and roll-coated during underwater coating, the paint cannot be scattered, and the coating does not contract after curing.
Owner:XIAMEN SUNRUI SHIP COATING

Double-ingredient epoxy seam beautifying glue

The invention relates to seam beautifying glue, in particular to double-ingredient epoxy seam beautifying glue. An ingredient A is prepared from the following ingredients in percentage by weight: 60 to 90 percent of epoxy resin, 0 to 30 percent of plasticizers, 0 to 3 percent of anti-freezing agents, 0 to 15 percent of glitter powder, 1 to 10 percent of thixotropic agents, 0.01 to 1 percent of antifoaming agents and 0 to 20 percent of filling materials; an ingredient B is prepared from the following ingredients in percentage by mass: 65 to 95 percent of curing agents, 1 to 20 percent of thixotropic agents, 0 to 30 percent of plasticizers and 0 to 15 percent of glitter powder. The ingredient A and the ingreeinet B are respectively packaged after the preparation; the ingredient A and the ingredient B can be used after being uniformly mixed according to the weight ratio of 1:1. The construction operation is convenient; the advantages of safety, non-toxicity, wear resistance, waterproof performance, mildewproof performance, stain prevention, chemical medicine resistance, anti-cracking performance, fine crack resistance, yellowing resistance, rich color and the like are realized; the seam beautifying glue can be used as the seam beautifying glue by replacing the existing cement and can be used for performing color matching on ceramic tiles in different colors so as to achieve the decoration effect.
Owner:三友(天津)高分子技术有限公司
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