46results about How to "Excellent surface scratch resistance" patented technology

The invention relates to a kind of scraping tolerance type special material for ornament in motor and preparation method, comprising(by weight parts): polypropylene 80-90 parts, superfine talcum powder 10-20 parts, lubricant 0.5-3.0 parts, antioxidant1010 1.0-2.0 parts. The method comprises: 1) stirring and mixing the polypropylene and lubricant, antioxidant at rotate speed of 300-500 rpm for 3-5 minutes; 2) adding superfine talcum powder and stirring and mixing at rotate speed of 300-500 rpm for 5-10 minutes; 3) stirring and mixing at rotate speed of 1500-2000 rpm for 10-15 minutes; 4) stirring and mixing at rotate speed of 300-500 rpm for 5-10 minutes to obtain premix material; 5) extruding the premix material by extruder to pelletizen finally the finished product being obtained. The invention has features: low odor emission, low cost, high surfaceness, better impact resistance, intension and toughness and good melt flowing, widely used in production of ornament in motor.

The invention provides a polypropylene composite material for an automobile internal ornament, a preparation method thereof and an automobile internal ornament. The polypropylene composite material for the automobile internal ornament comprises 40-60 parts by weight of polypropylene resin, 0-30 parts by weight of filler, 1-5 parts by weight of compatibilizer, 5-15 parts by weight of toughening agent, 1-5 parts by weight of scratch-resistant agent, 1-5 parts by weight of odor adsorption agent, 5-15 parts by weight of anti-static agent, 0.1-0.5 part by weight of antioxidant and 0.3-1 part by weight of lubricating agent. Therefore, the polypropylene composite material which has the characteristics of low odor, scratch-resistant surface, low surface resistivity and excellent mechanical properties and is used for the automobile internal ornament can be obtained.

The invention provides a halogen-free flame retardant polypropylene composition. The composition comprises the following components: 20-80wt% of at least one polypropylene (A), 1-10wt% of at least one organic group modified polydimethylsiloxane (B), 1-10wt% of at least one compound (C) with a structure shown in formulas (I), (II) and/or (III), and 5-60wt% of ultrafine magnesium hydroxide with the particle size D50 being less than or equal to 2 micrometers. By utilizing the composition, the processing difficulty under high filling is reduced, and common silicone oil and pentaerythritol are prevented from migration; and moreover, the composition has excellent flame retardance, is easy to demould and has good surface scratch resistance and excellent combined multiple performances.

The invention relates to a low-odor scratch-resistant high-rigidity polypropylene composition and a preparation method thereof. The low-odor scratch-resistant high-rigidity polypropylene composition comprises the following components in part by weight: 60 to 90 parts of polypropylene, 10 to 20 parts of talcpowder, 0.1 to 20 parts of nano scratch-resistant agent, 0.5 to 3.0 parts of lubricating agent, 1.0 to 3.0 parts of antioxidant and 0.5 to 3.0 parts of calcium stearate. The product prepared by the method is high in surface scratch resistance, low in cost, low in odor, high in rigidity, high in flowability and impact-resistant, and is typically applied to production of dashboard products.

The invention relates to a preparation method of a scratch-resistant high-impact-resistance PMMA (polymethyl methacrylate) material. The method comprises the following steps: taking 70-100 parts of main monomer methyl methacrylate, 5-10 parts of butyl acrylate, 5-15 parts of styrene, 15*10<-4>-35*10<-4> part of initiator and 0.1-0.3 part of chain-transfer agent, sufficiently stirring and uniformly mixing, adding the mixture into a three-neck flask provided with a reflux condensing unit, stirring at the speed of 300-500 r/min at 108-112 DEG C, and carrying out after-treatment to obtain the methyl methacrylate-butadiene copolymer. The preparation method is simple, and the steps are easy to operate. By adopting the mass polymerization process and adding the materials at one time, the whole reaction system is stable and controllable. The prepared methyl methacrylate-styrene-butyl acrylate copolymer has the advantages of high purity, favorable surface scratch resistance and favorable impact resistance.

The invention discloses an ABS alloy material for a casing of a notebook computer. The ABS alloy material consists of the following components in parts by weight: 30-45 parts of acrylonitrile butadiene styrene (ABS) resin, 20-25 parts of poly carbonate (PC) resin, 1-3 parts of zinc borate, 8-13 parts of acetylacetone salt, 1-2 parts of antimonous oxide, 2-5 parts of glass fiber, 3-7 parts of methyl vinyl silicone rubber, 1-3 parts of white carbon black, 2-5 parts of hydroxyl silicone oil, 1-3 parts of hydrogen containing silicone oil, 1-3 parts of a release agent, 8-16 parts of calcium stearate, 7-16 parts of stearic acid, 2-3 parts of N,N-ethylene bis stearamide and 1-3 parts of a flexibilizer. The ABS alloy material not only improves surface hardness and scratch resistance but also not affects other performances of the material; the alloy material is excellent in impact resistance, surface scratch resistance and flame resistance, and can meet demand of plastic for the casing of the notebook computer; the alloy material is worth popularizing and applying.

The invention provides a polypropylene composite material and a preparation method thereof. The polypropylene composite material is prepared from the following components: 60 to 70 parts of polypropylene resin, 15 to 25 parts of talcum powder, 3 to 6 parts of modified nanometer zinc oxide, 5 to 10 parts of silicon rubber, 1 to 3 parts of titanate coupling agent, 5 to 10 parts of toughening agent,0.2 to 0.8 part of antioxidant and 0.5 to 1.5 parts of polyethylene wax. The preparation method comprises the following steps: 1) mixing the talcum powder, the silicon rubber, the titanate coupling agent, the polypropylene resin accounting for 30 to 40 percent of the total weight as well as the toughening agent accounting for 10 to 20 percent of the total weight, and preparing master batches by aninternal mixer; and 2) mixing the master batches obtained in the step 1), the modified nanometer zinc oxide, the antioxidant, the polyethylene wax, the remained toughening agent and the remained polypropylene resin, melting, mixing and dispersing at 210 to 240 DEG C by a double-screw extruding machine, and performing extrusion granulation. The composite material has high hydrophobicity and friction resistance.

The invention discloses a continuous fiber ultrathin composite material sheet with different surface patterns. The continuous fiber ultrathin composite material sheet comprises a continuous fiber composite material base material (I), wherein the upper surface of the continuous fiber composite material base material (I) is coated with a resin adhesive layer (II); the upper surface of the resin adhesive layer (II) is covered with a PET (polythylene terephthalate) material (III) with different patterns; the continuous fiber composite material base material (I) is 0.20-0.50mm thick; the PET material (III) with different patterns is 0.11-0.30mm thick. The continuous fiber ultrathin composite material sheet disclosed by the invention has different attractive surface patterns and is high in smoothness, high in surface scratch resistance, high in elastic modulus, high in impact resistance, high in heat resistance and high in corrosion resistance and can be widely applied to shells of various electronic products, electric appliances, aerospace equipment and the like; furthermore, a preparation method for the continuous fiber ultrathin composite material sheet is simple in technology, is suitable for large-scale continuous production and has the advantages of high yield, high efficiency, low cost and high product yield.

The invention relates to polypropylene material with a paint spraying effect. The polypropylene material comprises the following components by weight percent: 38-99.9% of polypropylene, 0-1% heat stabilizer, 0-1% lubricant, 0-15% flexibilizer, 0-5% interfacial compatilizer, 0-30% inorganic mineral powder and 0.1-10% superfine aluminium powder, wherein the particle diameter of the superfine aluminium powder ranges from 1 to 100 Mum. The polypropylene material has excellent surface scratch resistance and superior comprehensive mechanical property, and the surface of the polypropylene material is smooth and glossy like paint. The polypropylene material can be obtained through extruding granulation with a screw rod, the preparation method is simple, and the technological conditions are easy to control. When the polypropylene material is used to manufacture exterior trimming parts of an automobile, the procedure of paint spraying can be omitted on the condition that the service performance and the attractiveness are not influenced, so as to simplify technological process, lower production cost, reduce volatilization of VOC (Volatile Organic Compound) gas and achieve the purposes of energy conservation and environmental friendliness.

The invention relates to an ultrathin metal sheet sandwich structural body which is an ultrathin metal sheet sandwich structural body (III) consisting of a core material (I) and ultrathin metal sheets (II) arranged on the upper and lower surfaces of the core material (I), wherein the core material (I) has a gap; the specific gravity of the core material (I) is 0.01-1.0, and the core material (I) is 0.2-5.0mm thick. The gap is formed by bubbles of a foaming body, or the core material (I) is formed by discontinuous reinforced fibers and thermoplastic resin. The gap is formed by gaps formed at mutual intersections among the discontinuous reinforced fibers. The ultrathin metal sheet sandwich structural body prepared by the invention is small in thickness, light in weight, high in rigidity, good in surface scratch resistance, puncture resistance and easy to process. The middle core material is bended but not cracked, so that the structural body is good in weather ability and high in fireproof grade, and is mainly applied to surface structural panels of crates in the fields of 3C (computer, communication and consumer electronic) industry, household appliance industry and related industries.

The invention relates to a waterborne oily leather treatment agent for synthetic leather and a preparation method of leather treatment agent. The treatment agent is prepared from the following components: modified waterborne polyurethane, water, a waterborne leveling agent and a waterborne thickening agent. The waterborne oily leather treatment agent is a novel material for later printing of the synthetic leather, and the treatment agent can enable the synthetic leather to have smooth hand feeling; the synthetic leather treated by the treatment agent has strong glossiness and crystalline effect, cannot be broken when baked at high temperature and has good surface scratching resistance.

The invention provides a heat-transfer-printing PET film ultraviolet-curing varnish and a preparation method thereof. The varnish comprises the following components in percentage by mass: 35-50% of hexafunctional polyurethane acrylate, 5-10% of trifunctional polyurethane acrylate, 10-20% of thermoplastic acrylic resin, 0.5-1% of leveling agent, 20-30% of organic solvent and 5-10% of photoinitiator. According to the heat-transfer-printing PET film ultraviolet-curing varnish, the paint film has the advantages of favorable adhesive force, high surface hardness, favorable scratch resistance of the surface, and favorable chemical resistance. The cured paint film has favorable flexibility, and can not crack even after being bent by 90 degrees. In the preparation method, the mild and nontoxic organic solvent is utilized, and has the advantages of small out-emission amount and no environment pollution; the heat-transfer-printing PET film ultraviolet-curing varnish is used instead of the traditional thermocuring transfer printing paint; when the heat-transfer-printing PET film ultraviolet-curing varnish is in use, the paint film can become dry and form a film after being irradiated by ultraviolet light for 10-20 seconds, and thus, the method has the advantages of higher production efficiency, simple film-forming technique, low requirements for film-forming equipment and energy saving, and further lowers the cost.

The invention provides a printing color management (PCM) composite steel plate. The front face of the steel plate is coated with a primer layer, an upper roller of the primer layer is coated with a finish layer, an upper roller of the finish layer is coated with a pattern printing layer, and the upper roller of the pattern printing layer is coated with a vanish layer. The surface of the composite steel plate has the advantages of good scoring-resistant strength and favorable glossiness and the pattern printing layer realizes the visual effect of various color and patterns so that the PCM composite steel plate has attractive appearance and can satisfy the demand of individual use.

The invention provides a flame-retardant PP (polypropylene) composite material and a preparation method thereof. The flame-retardant PP composite material comprises components as follows: 55-65 partsof PP resin, 15-25 parts of wollastonite, 5-10 parts of magnesium-aluminum hydrotalcite, 1-3 parts of phosphomolybdic acid, 3-6 parts of modified nano-zinc oxide, 5-10 parts of silicon rubber, 1-3 parts of a titanate coupling agent, 5-10 parts of a flexibilizer, 0.2-0.8 parts of an antioxidant and 0.5-1.5 parts of polyethylene wax. The preparation method comprises steps as follows: 1), firstly, wollastonite, the silicon rubber, the titanate coupling agent, the PP resin accounting for 30%-40% of total mass and the flexibilizer accounting for 10%-20% of total mass are mixed uniformly, and masterbatches are prepared by an internal mixer; 2), the masterbatches obtained in step 1) are mixed with magnesium-aluminum hydrotalcite, phosphomolybdic acid, modified nano-zinc oxide, the antioxidant, polyethylene wax, the remaining flexibilizer and the remaining PP resin, and a mixture is subjected to melt mixing and dispersing at 210-240 DEG C in a twin-screw extruder and subjected to extruded granulation. The composite material has good hydrophobic property, friction resistance and flame retardant performance.

The invention relates to the field of color spray printing media, and provides a preparation method of degradable and anti-scratching microporous ink-jet printing photo paper. The degradable and anti-scratching microporous ink-jet printing photo paper comprises an anti-scratching ink sucking layer, a degradable film spraying layer and a paper base layer, wherein the anti-scratching ink sucking layer contains nano-crystalline cellulose; and the nano-crystalline cellulose forms a three-dimensional network structure in a coating, so that the fastness and the hardness of the coating can be enhanced, and the friction resistance and the anti-scratching performance of the coating are further improved. The microporous ink-jet printing photo paper is safe and environmentally-friendly, high in degrading rate and high in anti-scratching performance, and a printed image is bright in color and high in precision.

The invention relates to a polypropylene composite material and a preparation method thereof, and belongs to the technical field of a modified material. The polypropylene composite material is prepared from the following ingredients in parts by weight: 65 to 80 parts of polypropylene, 2 to 12 parts of tungsten disulfide nanometer rods and 1 to 8 parts of compatilizers. The specific content of tungsten disulfide nanometer rods are added into polypropylene substrates under the cooperated dispersion effect of the specific content of compatilizers, so that mutual friction is generated between WS2materials in the prepared polypropylene composite material; layered sliding is generated; the WS2 becomes thin and small through friction; small fragments fill the defects in the abrasion process, sothat the friction undulation is further reduced; the friction stability is enhanced. Therefore the anti-scratching performance and the intensity of the obtained polypropylene composite material are obviously improved.

The invention discloses a modified ABS composite material for a remote control shell. The modified ABS composite material comprises raw materials in parts by weight as follows: 80-100 parts of modified ABS resin, 30-50 parts of polyphenylene sulfide, 2-4 parts of a compatilizer, 2-4 parts of diphenyl octyl phosphate, 1.5-2.5 parts of tricresyl phosphate, 50-60 parts of filler and 2-4 parts of coumarone indene resin and 2-4 parts of an antioxidant, wherein the compatilizer is prepared with the following process: ABS resin is subjected to irradiation treatment, polybutadiene is added, the mixture is heated and stirred, polyamide is added, the mixture is stirred continuously, and the modified ABS resin is obtained. The modified ABS composite material for the remote control shell is high in hardness, has excellent impact resistance, surface scratch resistance and flame retardance, is high in thermal decomposition temperature and glass transition temperature, can meet requirements of plastics for the remote control shell and has high popularization and application values.

The invention discloses a LED four-color printing ink used for intaglio printing, and a preparation method thereof. The LED four-color printing ink used for intaglio printing comprises, by weight, 8 to 10% of a pigment, 25 to 30% of a resin binder, 50 to 55% of an acrylate monomer, 5 to 10% of a photoinitiator, 1 to 1.5% of a wetting dispersant, 3 to 5% of a filling material, and 0.3 to 0.8% of aleveling agent. The LED four-color printing ink used for intaglio printing is bright in curing ink layer color, rich in color, clear in lines, is excellent in ink layer surface levelability, and is high in glossiness, and is capable of realizing continuous printing without shutdown.