2952 results about "POLYETHYLENE WAX" patented technology

The invention relates to a novel wood plastic composite decorative building material and a manufacturing method thereof. The novel wood plastic composite decorative building material comprises the following components in part by weight: 100 parts of polyvinyl chloride (PVC) resin powder, 30 parts of mixture formed by mixing one or more of wood powder, bamboo powder, rice bran powder and crop straw powder in an arbitrary ratio, 30 parts of calcium powder, 5 to 10 parts of chlorinated polyethylene or MBS resin, 2 to 6 parts of rear earth compound stabilizer, 0.5 to 3 parts of polyethylene wax or oxidized polyethlene wax, 0.5 to 3 parts of stearic acid, 0.5 to 2.0 parts of foaming agent, 5 to 10 parts of blowing promoter, 0.5 to 1 part of antioxidant, 0.5 to 1 part of reinforcing agent, 1 to 3 parts of toner and 0.5 to 1 part of weather resistant agent. PVC plastic is modified by adding the auxiliaries, and the influence of unstable components (such as a vinyl chloride monomer, hydrogen chloride gas and the like) in the PVC on the performance of the building material is eliminated, so that the building material has better performance and environmental protection characteristics on the basis of keeping the original performance.

Ultra high molecular weight polyethylene composite with low molar mass and high friction resistance, preparation and application thereof. Raw materials of 100 parts by weight of ultra high molecular weight polyethylene, 0.1-10 parts by weight of wear-resisting agent, 0.1-5.0 parts by weight of processing aid is prepared into highly friction resistant composite by mixing, chill-pressing, heating to melt, compression molding, cooling for shaping and cutting. The mentioned utra high molecular weight polyethylene has a matrix molecular weight of greater than 6 millionl. The mentioned wear-resisting agent is MoS2 surface treated by coupling agent, black lead, lubricating grease of molybdenum, copper powder, or mixture of more than two of them. The mentioned processing agent is organic silicon oil with high boiling point, polytetrafluroethylene, oxidized polyethylene wax, olefin or polyethylene wax with high boiling point, or mixture of more than two of them.

The invention provides a method for separating polyethylene byproduct polyethylene wax. In the method, a solvent is adopted to selectively dissolve components with a low melting point in the polyethylene wax, so that the separation between components with the low melting point and the components with a high melting point in the polyethylene wax is realized, and a polyethylene wax product with a high melting point and a polyethylene wax product with a low melting point are obtained. The melting point of the polyethylene wax with the high melting point is 82.6-96.3 DEG C, the polyethylene wax with the high melting point can be used for producing high-grade polishing wax for master batch, ink processing, automobiles and leather coats, and the price of the polyethylene wax with the high melting point per ton is increased by 3000-5000 RMB. The melting point of the polyethylene wax with the low melting point is 45.3-69.5 DEG C, and the product with the low melting point after being processed can be used for a phase-change capsule material and the cosmetics industry, so that the field of application of the polyethylene wax is widened, and the additive value of the product is increased; and in addition, the solvent which is recovered through depressurizing and distilling can be reused.

A process for classifying the polyvinyl wax by molecular weights features that the C5-C12 paraffin, arylhydrocarbon or their mixture is used as solvent, the C2-C4 monoalcohol is used as precipitant, and the classifying procedure for each product includes changing the dissolving temp and solvent ratio, dissolving, concentrating, deposition, separating and drying.

The invention discloses a method for preparing a trimeric high-strength and high-toughness energy-saving fishing net, which is implemented by carrying out synthesis on polyethylene (1), polypropylene (2), polyamides (3), Nano silicon dioxide (4), polyethylene wax (5), a coupling/bulking agent (6), a UV (ultraviolet) resistant agent 173 (7), a coloring agent (8) and white mineral oil (9) accordingto five steps (namely, a step A, a step B, a step C, a step D and a step E).

The invention relates to an injection moulding wood plastic compound material and the process technology. It is made up from recycled P or HDPE or PVC 100 portions, wood flour 80-130 portions, chlorinated polyethylene 5-10 portions, polyethylene wax 0.5-5.0 portions, geoceric acid or stearate 1.0-5.0 portions, nanometer reinforcing agent 4.0-8.0 portions, organic esters flexibilizer 5.0-15.0 portions, and PE grafted by maleic anhydride 5.0-20 portions. Mixing the materials at low speed (300-600round/min), high speed (1500-2500 round/min), low speed (300-600 round/min) for 5-10min, 25-40min, and 5-10min, the premixed material would be gained. After being extruded from extruder, the moulding wood plastic compound material would be gained. It could be widely used in producing complex shaped products.

The invention belongs to the field of textile, and particularly relates to antibacterial polyester fibers, which are prepared by melting-spinning the following materials in parts by weight: 100 parts of PET (polyethylene terephthalate) polyester chips and 2 to 5 parts of antibacterial polyester masterbatches, wherein the antibacterial polyester masterbatches are prepared by melt-blending and extruding the PET polyester chips, and 2 to 5 percent of a pre-treatment nanometer silver antibacterial agent, 2 to 3 percent of an antioxidant, 0.1 to 2 percent of a lubricant and 1 to 3 percent of a dispersant, which are counted based on the weight of the PET polyester chips; the pre-treatment nanometer silver antibacterial agent is a nanometer silver antibacterial agent obtained by wrapping treatment with polyethylene wax. According to the antibacterial polyester fibers, the small particle size uniform distribution of the nanometer silver antibacterial agent in a PET matrix is realized, the antibacterial polyester fibers are prepared by melt-spinning, and are efficient and long in service life, and the method is simple, easy and suitable for industrial popularization and application.

The invention discloses a hot melt adhesive used for automotive interiors, and a preparation method of the hot melt adhesive. The hot melt adhesive used for automotive interiors is characterized by comprising a proportion of paraffin, polyethylene wax, a thermoplastic elastic body SBS, random polyolefin, polyethylene vinyl acetate, C5 petroleum resin, rosin pentaerythritol ester, antioxygen, coupling agent and filler. The preparation method comprising the following steps: heating a stirring kettle to 140 to 160 DEG C, and adding the paraffin and the polyethylene wax; adding the thermoplastic elastic body SBS, vacuum-pumping and keeping warm, adding HMW(high molecular weight) random polyolefin I, HMW random polyolefin II and the antioxygen; adding the coupling agent and the filler; cooling, and adding polyethylene vinyl acetate I and polyethylene vinyl acetate II; cooling and adding the C5 petroleum resin; adding the rosin pentaerythritol ester and keeping warm; and emptying the stirring kettle, pressurizing, discharging and forming. No pollution or poison is produced during the production process of the hot melt adhesive; and the hot melt adhesive has the advantages of high adhesion strength, long opening time, good temperature resistance, strong ageing resistance, good tenacity, strong waterproofness and the like.

The invention discloses an ultralow temperature polyvinyl chloride (PVC) modified insulating sheath cable material, belonging to the field of materials. The cable material is mainly prepared from the following raw materials in percentage by weight: 45-50% of PVC resin, 15-20% of plasticizer, 20-25% of filler, 1-3% of electrical property modifier, 9-15% of impact resistant and high and low temperature resistant modifier, 0.4-2.2% of lubricant, 1.0-2.0% of stabilizer and 0.1-0.3% of antioxidant, wherein the plasticizer is a mixture of more than two of phthalate, terephthalate or trimellitate; and the lubricant is a mixture of a composite lubricant and oxidized polyethylene wax. The invention also provides a preparation method of the cable material. The cable material provided by the invention has the advantages of low brittle temperature and good insulating property, wherein the brittle temperature can reach -35 DEG C; and simultaneously, the preparation method of the cable material is simple and is convenient for industrialized production.

The invention discloses a chromium-free self-lubricating passivation solution and a preparation method thereof. The chromium-free self-lubricating passivation solution is formed by compounding the following compositions in percentage by weight: 8%-12% of water-borne epoxy resin, 0.5%-1% of curing agent, 10%-15% of silane coupling agent, 0.5%-1% of inorganic component, 2%-4% of solid lubricant, 1%-2% of friction modifier, 0.5%-1% of anti-wear agent, 0.5%-1% of anti-sinking agent, and 60%-75% of diluting agent. The inorganic component is one or a combination of Ce(NO3)3 and sodium molybdate, the solid lubricant is one or a combination of two or more of polytetrafluoroethylene, polyethylene wax, polyethylene, molybdenum disulfide and graphite, the friction modifier is self-synthesized molybdenum dialkyldithiophosphate, the anti-wear agent is one or a combination of nanosilicon dioxide and nano aluminum oxide, the anti-sinking agent is attapulgite, and the diluting agent is a mixture of water and ethanol. A plate product coated with passivation solution has the advantages of being pollution-free, low-friction, anti-oxidized, anti-wear and extreme pressure-resistant, corrosion-resistant, finger-resistant, having good mechanical performance and the like, and the passivation solution can be directly coated on the surfaces of a zinc-plated plate and parts of certain mechanical equipment for use.

A hot melt adhesive composition includes at least a semi-crystalline copolymer of propylene and a polyethylene wax having a Brookfield viscosity of about 20 cP to 500 cP at 140° C., a density of about 0.95 g/cm³ to 0.99 g/cm³ between 23° C. and 25° C., and a Mettler drop point of about 110° C. to 135° C., wherein the composition is characterized by a effective set time of about 0.1 second to 5 seconds. Articles including the composition and methods of making articles including the composition are described.

The invention provides a method for preparing pigment yellow 83. The method comprises the following steps: 3, 3'-dichlorobenzidine, 3, 3'-dimethylbenzidine, hydrochloric acid and water are stirred, dissolved and added to sodium nitrite for diazotization, so as to obtain a diazonium solution; a sodium hydroxide solution containing 4-chlorine-2, 5-dimethoxy acetyl acetanilide is dripped into an acetic acid solution at the temperature between 20 and 40 DEG C, so as to prepare a coupling solution; the acetic acid solution contains an emulsion formed by well mixing anionic surfactant, nonionic surfactant, solvent and water; the diazonium solution is dripped into the coupling solution within 1 to 5 hours; the emulsion formed by compounding the anionic surfactant and non-polar hyper-dispersant is added to the coupling solution, reacts for 1 hour, and is heated to 90 to 100 DEG C; polyethylene wax is added in the mixture; and then the mixture, is insulated for 1 to 3 hours, pumped, filtered, washed, dried and ground, so as to obtain a finished product. The preparation method has the advantage of obtaining the pigment yellow 83 which is bright in color light, high in tinting strength, high in covering power and good in dispersibility.

The invention relates to a cable sheathing compound and a preparation method thereof, in particular to an environment-friendly flame retardant semiconductive PVC sheathing compound used for an ultra-pressure cable sheath and a preparation method thereof. The semiconductive PVC sheathing compound in the invention comprises PVC resins, plasticizers, an antioxidant, polyethylene wax, ethylene- vinyl acetate resins, a flame retardant a, a compound environment-friendly heat stabilizer, a flame retardant b, conductive carbon black a, a high efficient lubricant, nano calcium carbonate, conductive carbon black b and conductive metal powder. The preparation method of the invention comprises the following steps: firstly, stirring the plasticizer a, conductive carbon black a, nano calcium carbonate, conductive carbon black b, conductive metal powder and antioxidant in a low speed kneading machine; then mixing other constituents and stirring the constituents in a high speed kneading machine. Compared with the existing products, the semiconductive PVC sheathing compound in the invention helps to fully restrain the aging of PVC, improve the intensity and the line extrusion speed of the product, lower the volume resistance rate and has the excellent conduction performance, thus can be widely applied to the outer sheaths needed by the environment-friendly flame retardant ultra-pressure cables.

An ink composition contains a pigment, first wax particles, second wax particles, and a resin emulsion, in which the first wax particles have a melting point of 120° C. or higher and 170° C. or lower, the second wax particles have a melting point of 70° C. or higher and less than 120° C., the resin emulsion has a glass transition point of 50° C. or higher and 150° C. or lower, the first wax particles contain one or more kinds of wax particles selected from the group consisting of polyethylene wax particles or polypropylene wax particles, and the second wax particles contain one or more kinds of wax particles selected from the group consisting of polyethylene wax particles.

The invention provides an agricultural film material and particularly relates to a degradable film material containing starch serving as a raw material, belonging to the technical field of high molecular materials. The degradable film comprises the following raw materials in parts by weight: 20-30 parts of plant starch, 20-30 parts of polyethylene, 5-10 parts of calcium carbonate, 2-4 parts of polyacrylamide, 2-4 parts of poly cyclic lactone, 4-8 parts of phenol aldehyde resin, 3-6 parts of soybean protein, 2-3 parts of polybutylene succinate, 4-6 parts of methyl acrylate, 5-10 parts of polyethylene wax, 3-5 parts of titanium dioxide, 8-14 parts of cellulose, 2-4 parts of plasticizer and 2-4 parts of coupling agent. The degradable film provided by the invention has excellent strength, the tensile strength of the degradable film can be higher than 16MPa, the light transmittance can be higher than 88%, and the degradable film can be generally degraded within 4-6 months.

The invention discloses a thermoplastic elastomer composition which is plasticated by the following main components by weight: 100 parts of polyurethane thermoplastic elastomers, 30-150 parts of polyvinyl chloride thermoplastic elastomers, 25-50 parts of styrene elastomers, 0-30 parts of blend and 4-8 parts of auxiliaries, wherein the auxiliary is any one or more of a composite rare-earth stabilizer, zinc stearate, calcium stearate, stearic acid or polyethylene wax; and the blend is butyronitrile N18. The invention selects the thermoplastic elastomers with similar polarity and complementary properties to be synthesized and used and selects compatilizers to organically combine several best molecules with different structures, so that the generated novel thermoplastic elastomer has superior performance and appropriate price, can meet the requirements of market products and has wide application range because the product has the technical advantages of excellent oil resistance, resistance to low temperature of minus 35 DEG C, acid-alkali resistance, aging resistance and lower proportion than the vulcanized products with the same price.

The invention relates to an IXPE electronic radiation crosslinked polyethylene conductive foam and a preparation method thereof. The IXPE electronic radiation crosslinked polyethylene conductive foam mainly contains the mother batch: low density polyethylene; accessories: ethylene-vinyl acetate copolymer, azodicarbonamide blowing agent, polyethylene wax lubrication additive, titanate ester coupling agent and conductive carbon black which are mixed for processing, extruded for molding, radiated for crosslinking, heated for foaming, and treated by secondary processing, etc, to produce the IXPE electronic radiation crosslinked polyethylene conductive foam. The crosslinking of the product of the invention can be easily controlled, the foaming process is stable, the foam pores are fine and even, the quality of the surface is high without unpleasant odor, the foam pores are obstructed, the production can be carried out continually, the electrical conductivity is stable, the product is lightweight, non-toxic, extremely less absorbent; the thermal conductivity is slow, aging resistant, chemical corrosion resistant, pulverization resistant, and a plurality of porous foam materials can be easily achieved; in addition, the product has good properties to be treated by the secondary processing procedures, such as bonding, machining, hot forming, etc.

The invention discloses a micro-foaming wood plastic composite material plate for a building template and a preparation method thereof. The wood plastic composite material consists of polrvinyl chloride, wood powder, lightweight active calcium carbonate, a foaming agent, a foaming stabilizer, polyethylene wax, a titanate coupling agent, chlorinated polyethylene, an adsorbent nano calcium oxide, an auxiliary foaming agent nano zinc oxide, a silicone processing adjuvant and reinforced fiber alkali-free glass fiber. The preparation method comprises the following steps of: mixing the wood powder and the nano calcium oxide powder at a high speed; adding the titanate coupling agent and then mixing at the high speed; adding the rest materials; mixing at the high speed and then mixing at a low speed to obtain a premix; extruding the premixing by using an extruder; and cooling very quickly to obtain the product. The micro-foaming wood plastic composite material plate has the characteristics ofhigh surface hardness, high flowability, high strength, high toughness, high dimensional stability, long service life and the like.

PCT No. PCT/EP96/03246 Sec. 371 Date Feb. 12, 1999 Sec. 102(e) Date Feb. 12, 1999 PCT Filed Jul. 20, 1996 PCT Pub. No. WO97/08250 PCT Pub. Date Mar. 6, 1997Wax coated silica matting agent wherein the silica is an amorphous silica having a pore volume of at least 1.5 cm3/g, preferably at least 1.8 cm3/g. The wax coating is present in the range from 6% to 15% by weight of the matting agent and comprises a synthetic polyethylene wax.

The invention discloses a powdery release agent for die casting, which is composed of component A and component B with particle diameter n<=10 mu m, in which, the component B is one or more of polyethylene, polypropylene, polyethylene wax, micropowder wax, epoxy resin, silicone resin, phenol-formaldehyde resin or polystyrene, the weight per cent is 10-20%, the component A is one or more of talc, graphite, alumina, supramoly, aluminium nitride, boron nitride or aluminium silicate. The release agent of the invention is difficult to react even being heated, because of having powdery or particle-shaped form and with good chemical stability. In addition, after being used, without polluting the water quality and waste water releasing and processing problem, without polluting the environment, also reducing energy sources consuming. In a word, using the release agent of the invention can settle traditional problems of release agent, the invention improves quality of the casting, prolongs lifetime of the mould and reduces environmental pollution.

The invention discloses a fluoride-free waterproof agent. The fluoride-free waterproof agent comprises the following components according to mass percent: 10%-20% of fluoride-free hydrophobic polymer, 10%-20% of (modified) polyethylene wax, 1%-10% of surfactants, 0.001%-10% of auxiliaries and the balance being water, wherein the fluoride-free hydrophobic polymer is formed through free radical polymerization of fluoride-free hydrophobic monomers with hydrocarbon hydrophobic groups and double bonds and functional monomers; the functional monomers are selected from one or more of monomers with a functional group besides double bonds; the (modified) polyethylene wax is selected from polyethylene wax and oxidized polyethylene wax with the softening point of above 100 DEG C; free radicals are generated by thermal decomposition of initiators. The fluoride-free waterproof agent provided by the invention has a good waterproof effect, does not contain fluorine and has an environment-friendly effect. Compared with the prior art, adopting the (modified) polyethylene wax with a high melting point, the fluoride-free waterproof agent has a better waterproof effect.

The invention discloses a modified calcium carbonate with heat-isolating heat-insulating effect. The modified calcium carbonate is characterized by being prepared from the following raw materials in parts by weight: 90-95 parts of calcium carbonate, 5-7 parts of polyphenyl granules, 4-6 parts of hollow glass microballoons, 2-3 parts of adhesive mortar, 2-4 parts of bentonite, 2-3 parts of diatomite, 4-6 parts of epoxide resin, 5-7 parts of phenolic resin glue, 1-2 parts of polyethylene wax, 1-2 parts of zinc stearate and 3-4 parts of modified titanium dioxide. The modified calcium carbonate disclosed by the invention enhances the heat-isolating heat-insulating effect by being added with a small quantity of hollow glass microballoons with environmental-friendly heat-isolating effect and the mortar included in building materials and is enhanced in dispersing effect by being added with the modified titanium dioxide. According to the modified calcium carbonate, a filler produced through a simple production process has good binding force and is suitable for the addition application of a floor, a wall brick, a coating and the like.

The invention relates to a wood/plastic building template, which is characterized by being prepared by taking polyvinyl chloride (PVC) SG700-8, PVC SG1000-5, wood meal, light calcium carbonate, a foam control agent 530, a compound stabilizing agent, a processing aid ACR401, a lubricating modifier LS-303, polyethylene wax, paraffin, stearic acid 1801, high-density polyethylene wax, a foaming agent AC150P azobisformamide, a foaming agent NC azobisformamide, an impact modifier chlorinated polyethylene and 1-1.4% of soybean oil as the raw materials and carrying out high-temperature mixing, cooling and extrusion molding on the raw materials. The wood/plastic building template replaces the plywood and the bamboo templates in the building templates, has the characteristics of environmental protection, zero pollutant discharge, high use frequency, long use period, etc, conforms to the ideals of low-carbon discharge, forest protection and production environment improvement and is an environment-friendly material for building.

The invention provides a novel weaving idea of a negative ion fiber fabric and process, which takes polyester fibers such as polyester as a vector to spin, wherein 2-6 percent of nano negative ion power, 15-45 percent of compound negative ion power which is crashed, 0.5-2.6 percent of coupling agent such as JH-S69 type silane coupling agent, 0.3-1.8 percent of dispersant such as low molecular weight polyethylene wax and ethylene copolymer are uniformly mixed and blended into the polyester fibers to be kneaded, granulated and dried, and then being extruded to spin into a skin-core structure with the polyester fibers or polyamide fiber according to the rate of 40:60-60:40 through a twin-screw, after being stretched for 1.5-2.6 times, the skin-core structure is spun, and the function release amount is happened at 5000-30000 ind/cubic centimeter. The negative ion fiber fabric has lasting negative air ions and strong far infrared launching functions and has excellent antibacterial bactericidal functions, the processing technology is simple, the weaving effect is high, and the production value of products is increased.

The invention discloses leather cup rubber for a laundry machine. The leather cup rubber is prepared from the following raw materials in parts by weight: 30-40 parts of nitrile rubber, 20-30 parts of chlorosulfonated polyethylene rubber, 20-40 parts of ethylene propylene terpolymer 5962 (LANXESS Deutschland), 10-15 parts of fluorine rubber, 3-5 parts of natural rubber, 20-30 parts of high abrasion furnace black N330, 10-15 parts of modified white carbon black, 3-4 parts of zirconia, 8-10 parts of modified wood ash, 4-6 parts of attapulgite, 4-6 parts of meerschaum, 9-11 parts of modified iron tailing slag powder, 0.5-1 part of stearic acid, 0.5-1 part of isocyanate, 0.2-0.4 part of accelerant DM, 0.3-0.6 part of accelerant BZ, 1-2 parts of stearic acid, 2-4 parts of zinc oxide, 0.2-0.4 part of ferrocene, 1-2 parts of polyethylene wax, 1-2 parts of antioxidant DSTP, 1-2 parts of anti-aging agent NBC, 2-3 parts of gamma-methacryloxypropyl trimethoxysilane and 16-18 parts of triethyl citrate. The rubber disclosed by the invention has excellent ozone resistance, excellent low temperature resistance and heat resistance and is large in operating temperature range and environment-friendly in process, so that the rubber can be used for preparing various packing materials.

The invention relates to PVC (polyvinyl chloride)-based wood plastic and a preparation method thereof, belonging to the technical field of plastic compound modification processing. The invention aims at providing PVC-based wood plastic and a preparation method thereof which can produce a PVC-based wood-plastic section with good mechanical property and stability. The technical scheme is as follows: the PVC-based wood plastic comprises the following raw materials in parts by weight: 40-60 parts of PVC resin, 10-20 parts of wood meal, 0.2-1 part of polyethylene wax, 0.3-1 part of processing aid ACR-401, 2-6 parts of modifier CPE-135A, 1.5-4.5 parts of PVC composite heat stabilizer, 0.3-0.7 part of external lubricant, 1-3 parts of toner, 0.2-1 part of foaming agent, 2-7 parts of foaming regulator, 10-18 parts of calcium carbonate and 0.1-0.7 part of sodium bicarbonate. The preparation method provided by the invention is suitable for the extrusion molding of PVC-based wood plastic.

The invention discloses a sand texture type polyester/epoxy powder coating and a preparation method thereof. The sand texture type polyester/epoxy powder coating comprises the following raw materials, by weight, 350-400 parts of polyester resin (P5040), 240-280 parts of epoxy resin (E-12), 100-150 parts of extinction barium sulfate, 40-60 parts of spherical silica powder, 8-12 parts of modified polyethylene wax powder, 10-15 parts of organic coated titanium dioxide, 5-10 parts of sand texture agent (SWMBX-30), 4-6 parts of benzoin, 5-8 parts of 2-phenyl imidazoline, 4-6 parts of 2-methylimidazole, 5-10 parts of ferrite yellow, 5-10 parts of iron oxide red and 10-15 parts of carbon black. The prepared powder coating has the advantages of being high in hardness, high in intensity, high in abrasion resistance, good in heat resistance, good in ageing resistance, short in solidifying time, environment-friendly, free of pollution and the like. The solidified coating produces a texture effect of the sand texture, the sand texture is meticulous and clear, distribution is even, visual comfort is provided for people, and combination properties of the coating are good.

The invention relates to a dynamic thermoplastic vulcanizate material TPV with superior comprehensive performance, which is characterized by comprising the following raw materials by weight percentage: 15 to 30 percent of polypropylene, 30 to 50 percent of ethylene propylene terpolymer, 5 to 20 percent of ethylene-octene copolymer, 1 to 10 percent of styrene elastomer, 10 to 20 percent of plasticizer, 1 to 5 percent of polyethylene wax, 0.5 to 2 percent of vulcanizing agent, 0.5 to 2 percent of accelerating agent, 0.1 to 0.5 percent of antioxidant and 0.1 to 0.5 percent of lubricant. The preparation method comprises: weighing the raw materials according to the weight percentage; placing all the raw materials into a high-speed mixer and mixing the raw materials for 2 to 5 minutes; discharging the raw materials; and placing the uniformly mixed raw materials into a screw compressor for extrusion and granulation, wherein the rotating speed of the screw compressor is between 180 and 600 revolutions per minute, and the temperature is between 160 and 200 DEG C. The invention has the characteristics that the prepared thermoplastic elastomer material has high elasticity, overcomes the defect of poor elasticity of the prior TPV, and can be used in situations with high elasticity requirement and oil resistance.

The invention discloses packing leather cup rubber for hydraulic mount. The packing leather cup rubber is prepared from the following raw materials in parts by weight: 30-40 parts of nitrile rubber, 20-30 parts of isoprene rubber, 20-40 parts of ethylene propylene terpolymer 5962 (LANXESS Deutschland), 10-15 parts of fluorosilicone rubber, 3-5 parts of natural rubber, 20-30 parts of high abrasion furnace black N330, 10-15 parts of modified white carbon black, 3-4 parts of antimony trioxide, 8-10 parts of modified wood ash, 4-6 parts of attapulgite, 4-6 parts of meerschaum, 9-11 parts of modified iron tailing slag powder, 0.5-1 part of stearic acid, 0.5-1 part of vulcanizing agent TMT, 0.2-0.4 part of accelerant DM, 0.3-0.6 part of accelerant BZ, 1-2 parts of calcium stearate, 2-4 parts of zinc oxide, 0.2-0.4 part of ferrocene, 1-2 parts of polyethylene wax, 1-2 parts of triphenyl phosphite, 1-2 parts of anti-aging agent RD, 2-3 parts of vinyl-tris(beta-methoxyethoxy)silane and 16-18 parts of butyl epoxy oleate. The rubber disclosed by the invention has excellent ozone resistance, excellent low temperature resistance and heat resistance and is large in operating temperature range and environment-friendly in process, so that the rubber can be used for preparing various packing materials.

The invention discloses a diatomite calcium plastic sheet and a production method thereof. The diatomite calcium plastic sheet is characterized by comprising the following components: polyvinyl chloride (PVC) resin, ground limestone, nano-scale ground limestone, a plasticizing flexibilizer, kieselguhr, straw powder or wood flour, a heat stabilizer, a stearic acid, polyethylene wax and paraffin wax. The method comprises the following steps: extruding the components into a plate structure at a certain ratio after evenly mixing and drying the components by virtue of an extruder according to a mold, carrying out vacuum sizing, cutting, sanding the bottom surface and the surface, forming a mortise in the periphery and carrying out surface deep processing to obtain the floor finished product. A little of nano-scale ground limestone and kieselguhr are added, so that the diatomite calcium plastic sheet can be fully filled into large particles of the ground limestone. Thus, complete package is formed by the PVC resin particles, and the specific surface area is increased. The reaction activity is increased due to large specific surface area and improved reaction contact surface, the diatomite calcium plastic sheet is high in hardness and strong in plasticity, and nano particles in the nano composite material can prevent the crystals from forming. Therefore, the thermal conductivity is improved when the weight can be greatly reduced.