208results about How to "Good matting" patented technology

The invention discloses a double-component water-based polyurethane high-abrasion-resistance matte coating and a preparation thereof. The coating comprises two components A and B, wherein the component A is prepared by using an acrylic resin dispersion body as a basic component and adding deionized water, a wetting agent, a defoaming agent, a dispersing agent, a thickening agent, a delustering agent, a leveling agent, a film forming additive and a water resistant additive to the acrylic resin dispersion body to disperse the acrylic resin dispersion body; and the component B is aliphatic polyisocyanate. The invention provides a water-based matte coating with low VOC (Volatile Organic Compounds), low gloss, good adhesion force, wear resistance and corrosion resistance; and the water-based matte coating can be very well combined with a water-based or solvent type epoxy resin floor coating and a polyurethane floor coating. The water-based matte coating disclosed by the invention has the advantages of low delustering agent adding quantity and stability in storage; the gloss of the coating system can be effectively reduced; and the comprehensive performance of the coating system is improved. By using the double-component water-based polyurethane high-abrasion-resistance matte coating disclosed by the invention, the water-based coating system solution with environment friendliness, high performance, stability in storage and low cost can be provided.

The invention provides a delustering waterborne polyurethane leather finishing agent and a preparation method thereof. The delustering waterborne polyurethane leather finishing agent is mainly prepared from diisocyanate, polyether glycol, organosiloxane, a hydrophilic chain extender, a catalyst and a neutralizer. According to the delustering waterborne polyurethane leather finishing agent, the specific raw material composition and dosage are adopted, and an excellent delustering effect is obtained without adding a delusterant. The delustering waterborne polyurethane leather finishing agent is good in compactness, stability and coating property, can guarantee the mechanical property and waster resistance of a leather coating and is environmentally friendly, nontoxic and safe. The preparation method of the delustering waterborne polyurethane leather finishing agent is simple in technology, the waterborne polyurethane leather finishing agent with an excellent delustering property is synthesized in a step-by-step feeding reaction mode, and the preparation method is suitable for large-scale production.

The invention provides a method for manufacturing full-dull nylon-6 chips, which belongs to the field of spinning chip, in particular to full-dull nylon-6 chips manufactured by using titanium dioxide (TiO2) as a dulling agent. The method aims to solve the problem in the production of the prior dulling agent solvent. The method has the technical scheme that (1) a proper TiO2 and TiO2 solution collocation method is selected; (2) proper formulation and process are selected; and (3) a stirring device for dispersing TiO2 dulling agent solution is selected. The technical scheme can improve the TiO2 content in the polymerization process of nylon-6, and the polymer melt is filtered to remove large-diameter TiO2. Accordingly, high-performance chips with good dull performance, good TiO2 dispersion and good spinning performance can be obtained.

The invention provides a waterborne radiation-supportive curing polyurethane acrylate combination. The combination comprises, by weight, 20-80 parts of polyurethane acrylate oligomer A and 20-80 parts of water dispersible polyurethane polymer B. The combination is high in stability, pH value is 7.5-9, and viscosity is 10-500 cps; when being stored at temperature below 25 DEG C for 20 days, the pH value is lowered by less than 10% than an initial value, and the viscosity is changed by less than 10% than an initial value; when being stored at temperature below 50 DEG C, the pH value is lowered by less than 20% than an initial value, and the viscosity is changed by less than 10% than an initial value.

Disclosed is a watersoluble whose components and content of mass are:latex base material, wax powder 0.7-0.8%, water 20-25%, assistant 2-3%. Besides,the preparing method for the watersoluble is also disclosed. It is a watersoluble polyacrylate latex,with better hardness and flexibility,when it is coated on the paper surface,its wear resistance and film forming performance are all good,as well as hand feeling.

The invention provides a production method of a full-dull polyester fiber. According to the production method, common semi-dull polyester chips are taken as a main producing material, and melt spinning is performed by adding full-dull master batch so as to produce the full-dull polyester fiber. A composite spinning component is used in the melt spinning process, correspondingly, the material chips are divided into two or more components, the full-dull master batch is added into one component in the feeding process, and the content of titanium dioxide particles accounts for 1wt%-5wt% of the total weight parts of the fiber.

A thermoplastic resin composition comprising 10 to 98 parts by weight of a graft polymer (1A) containing a rubber-like polymer (1G) having a diene unit content of 50% by weight or less, 2 to 50 parts by weight of a hydroxyl group-containing acrylic copolymer (1B) and 0 to 80 parts by weight of other thermoplastic resin (1F), wherein the rubber-like polymer (1G) is at least one selected from the group consisting of a diene-based rubber, a polyorganosiloxane-based rubber and an olefin-based rubber; and, a graft copolymer (2A) obtained by grafting a vinyl-based polymer to a (meth)acrylate-based rubber-like polymer (2G) expansion-treated with an acid group-containing copolymer latex (2K) wherein the (meth)acrylate-based rubber-like polymer contains two or more poly-functional monomer units.

The invention discloses environment-friendly self-extinction waterborne polyurethane and a preparation method and application thereof. The preparation method comprises the following steps: first, preparing a polyurethane prepolymer, namely, respectively adding water-removed oligomer polymerized dihydric alcohol, a small-molecular trihydric alcohol compound and terminal hydroxyl-terminated organicsilicone oil into a reaction container, adding aliphatic diisocyanate and a catalyst, and performing reaction to obtain the prepolymer; adding a carboxylic acid type hydrophilic chain extender, and adding a neutralizer for neutralization reaction; and carrying out primary emulsification chain extension on an amine sulfonate hydrophilic chain extender and deionized water, adding a small-molecular chain extender containing active hydrogen, and carrying out secondary post-chain extension. The environment-friendly self-extinction waterborne polyurethane resin is large in particle size and wide indistribution, has micro-nano roughness, does not need to be added with any delustering agent, shrinks after a coating film is dried and dewatered, and is low in leather surface gloss, good in hand feeling, natural in surface, simple in preparation technological process and convenient to use.

The invention provides psychedelic pseudo-decorative surface coating. The psychedelic pseudo-decorative surface coating comprises base material water, aids, functional fillers and water-based resin, wherein the aids comprises preservative, a dispersing agent, a defoaming agent, propylene glycol, a film-forming agent, an anti-contamination aid and a thickening agent; the functional fillers compriseceramic silicon carbonate, ferrite magnetic powder, ferric oxide inorganic pigment, chlorophyll, hollow ceramic microbeads, aluminum plating powder and silicon dioxide; and the water-based resin comprises one or two of silicone acrylic emulsion, fluorocarbon emulsion, pure acrylic emulsion, polyurethane emulsion, epoxy resin, acrylic acid emulsion, alkyd resin and phenolic resin. In the technicalscheme of the invention, all the raw materials are environmentally friendly and are water-soluble environment-friendly raw materials. The psychedelic pseudo-decorative surface coating has non-toxic,odorless and environment-friendly effects; and the product has multiple functions of realizing reflective insulation, resisting dirt and weather, enhancing visible light near infrared radar magnetic wave detective psychedelic illusion, pretending blindage, realizing floating cloud psychedelic illusion, resisting ultraviolet rays, protecting bottom color paint, prolonging service life and the like.

The invention discloses a scratching-resistant low-gloss polypropylene composite material and a preparation method thereof. The scratching-resistant low-gloss polypropylene composite material is prepared from the following raw materials in percentage by weight: 40-93% of polypropylene, 0-30% of an inorganic filler, 1-5% of reaction type high polysiloxane, 5-20% of fully vulcanizated powdered rubber, 0.1-1% of an initiator, 0.1-1% of an antioxidant, 0.1-1% of a light stabilizer, and 0-2% of other auxiliaries. According to the preparation method disclosed by the invention, the reaction type high polysiloxane and the fully vulcanizated powdered rubber are added to the basic formula, so that when the scratching resistance of the polypropylene material is improved, the high gloss problem of the product caused by addition of polysiloxane can be solved; the obtained polypropylene composite material is low in surface gloss, good in light extinction effect, and suitable for automobiles, household appliances and other fields.

The invention discloses a polyester / epoxy mixed powder coating flatting agent which comprises, in weight percent, 15-95% of acrylic resin and 5-85% of metal organic compounds. The acrylic resin includes carboxyl acrylic resin and epoxy acrylic resin, and the metal organic compounds comprise at least one of benzothiazole thiol zinc salt, long-chain fatty acid metal salt, lauric acid metal salt andpalmitic acid metal salt. The invention further discloses an application of the polyester / epoxy mixed powder coating flatting agent to polyester / epoxy mixed powder coating flatting. The polyester / epoxy mixed powder coating flatting agent solves the problem that an original flatting agent is easily yellowed, and a powder coating prepared from the flatting agent is smooth in coating film and good inmechanical property and powder storage stability.

The invention discloses a polyvinyl-chloride extinction material and a production method thereof. The polyvinyl-chloride extinction material comprises the following components in parts by weight: 100 parts of PVC (polyvinyl chloride), 80 to 90 parts of dioctyl phthalate, 4.5 to 5.5 parts of compound stabilizers, 1.5 to 2.5 parts of barium stearate, 0.5 to 1 part of initiator, 3 to 4 parts of trimethylolpropane trimethylacrylate, 0.2 to 0.6 part of stearic acid, 55 to 75 parts of light calcium carbonate, and 2 to 3 parts of diallyl maleate. The raw materials are blended at a high speed, mixed and extruded in a reaction manner to prepare the polyvinyl-chloride extinction material. The polyvinyl-chloride extinction material has excellent extinction performance and can be applied to industries of building materials, electric wires and the like.

The invention provides light extinction polyester and a low-gloss elastic composite fiber. The light extinction polyester comprises the following component in percentage by mass: 0.5-5.0% of titaniumdioxide nano granules, wherein the particle size of the titanium dioxide nano granules is 20-200 nm; detection with incident rays of 45 degrees shows that the gloss of the light extinction polyester is less than 20. The titanium dioxide nano granules are uniformly dispersed in the light extinction polyester and are not agglomerated. The mass ratio of a PET component to a PTT component in the low-gloss PET / PTT elastic composite fiber is (40:60)-(60:40), the composite fiber is formed through a composite melting spinning component, titanium dioxide is uniformly dispersed in the composite fiber, no agglomeration phenomenon is caused, the particle size of the titanium dioxide dispersed in the fiber is less than 10 [mu]m, the strength of the composite elastic fiber is greater than 3.0 cN / dtex, the gloss on the surface of the fiber is less than 20, and the elastic recovery rate is greater than or equal to 90%.