48 results about "Styrene" patented technology

A pressure-sensitive adhesive product contains a substrate having formed on at least one surface thereof a pressure-sensitive adhesive layer, wherein the substrate is formed from a styrene-based resin composition and the pressure-sensitive adhesive layer is formed from an acrylic pressure-sensitive adhesive containing an acrylic polymer, a liquid paraffin, and a rosin-based tackifying resin. In the acrylic pressure-sensitive adhesive, the ratio of the liquid paraffin is preferably 6 to 50 parts by weight based on 100 parts by weight of the acrylic polymer and the ratio of the rosin-based tackifying resin is preferably 1 to 30 parts by weight based on 100 parts by weight of the acrylic polymer. The liquid paraffin may have a number-average molecular weight of 300 to 500 and may have a dynamic viscosity at 37.8° C. of 6 to 80 mm²/second.

The invention relates to an ink resin composite used for plastic gravure printing and a preparation method thereof. The ink prepared from the ink resin composite is suitable for the non-polar substrates biaxially oriented polypropylene laminated polyethylene (BOPP) and polyethylene (PE) and the polar substrate polyethylene terephthalate (PET). The preparation method of the ink resin composite is as follows: the in-situ polymerization blending method is adopted to introduce alcohol-soluble polyurethane resin in a reaction system of the ink resin composite. The ink resin composite comprises the following components by weight percent: 30-50% of acetic ether, 8-25.5% of acrylate polymer, 8-25% of vinyl acetate polymer, 2.2-4.5% of styrene polymer, 1.5-2.5% of active functional polymer, 0.5-40% of alcohol-soluble polyurethane resin, 0.1-0.6% of initiator and 6-10% of alcohol diluent. The ink resin composite of the invention has simple preparation method, is green and environmentally friendly and has wide application prospect in the gravure printing ink.

The invention provides a preparation method of a corrosion inhibitor of methanol gasoline, and belongs to the technical field of metal corrosion protection. The preparation method comprises steps as follows: alpha-methylstyrene dimer, maleic anhydride, dicumyl peroxide and dimethylbenzene are added into a reactor, and then, the mixture is heated in an atmosphere of nitrogen for reacting; after the mixture is cooled to the room temperature, octadecanol, polyethylene glycol, p-toluenesulfonic acid, n-butyl alcohol and ethyl acetate are added, the mixture is heated for reacting and then cooled to the room temperature, and a mixture I is obtained; the mixture I is washed with a sulfuric acid aqueous solution, then washed with an NaOH aqueous solution and finally washed with an aqueous solution, and a mixture II is obtained; and benzotriazole, 2, 6-tert-butyl-4-methyl phenol, hexamethylene tetramine, ethanol, propargyl alcohol, trimellitate, a surface active agent and a combustion improver are added into the mixture II and uniformly stirred, and the corrosion inhibitor is obtained. The provided methanol gasoline has good solubility with various oils, the additive amount is small, and the corrosion-resistant effect is superior to that of a similar product.

The invention discloses a fireproof anti-abrasion rubber shoe sole material and a preparation method thereof. The prepared fireproof anti-abrasion rubber shoe sole material is composed of, by weight,acrylonitrile-butadiene- styrene copolymer, epichlorohydrin rubber, polyacrylate rubber, polyurethane rubber, PVDF resin, white mica, a silane coupling agent, absolute ethyl alcohol, nano zinc oxide,magnesium stearate, palm oil and a foaming agent. According to the fireproof anti-abrasion rubber shoe sole material, all the raw materials are promoted mutually, by modifying the white mica, the anti-abrasion performance of a fireproof anti-abrasion rubber shoe sole is further improved, and the prepared fireproof anti-abrasion rubber shoe sole material has prominent mechanical properties; the fireproof anti-abrasion rubber shoe sole material has high elasticity, prevents slipping, is resistant to abrasion and good in oxidation resistance, and meanwhile has the advantages of being superior infireproof performance, safe, environmentally friendly and comfortable to wear.

A thermoplastic elastomer composition includes a base oil and a styrene thermoplastic elastomer composition, in which the base oil has a kinematic viscosity at 40 degrees C. in a range from 5 mm²/s to 75 mm²/s, a flash point of 150 degrees C. or more, 3.0 or less of a maximum value of ultraviolet absorbance at a wavelength from 190 nm to 350 nm, and an aniline point of 120 degrees C. or less, and 500 parts by mass or more of the base oil is contained relative to 100 parts by mass of the styrene thermoplastic elastomer.

The invention relates to the technical field of polymer materials, and concretely relates to a high-rigidity and high-toughness resin material for clothing buttons. The resin material includes unsaturated polyester resin, styrene, acrylate, rigid toughened mother powder, polyamide wax, a pearlescent pigment, an ultraviolet absorber, a promoter, an initiator and an antioxidant, wherein the rigid toughened mother powder is a special high-hardness elastomer material; the ultraviolet absorber is one of an ultraviolet absorber UV-327, an ultraviolet absorber UV-P and an ultraviolet absorber UV-9; the promoter is cobalt isooctylate or cobalt naphthenate; the initiator is methyl ethyl ketone peroxide; and the antioxidant is an antioxidant 1076, an antioxidant 164 or an antioxidant TNP. The buttons made of the resin material have the advantages of high toughness, difficulty in fracture, good rigidity and outstanding impact resistance.

The invention discloses a biodegradable 3D printing toughening material and a preparation method, which consists of the following components by weight: polylactic acid (PLA): 70-80 parts; EVA: 30-20 parts; toughening agent: 6-8 parts; compatibilizer: 0.4-5.0 parts; auxiliary agent: 0.2-2.0 parts. The toughening agent is dioctyl phthalate (DOP); the compatibilizer includes maleic anhydride grafted polymer, which is a tertiary polymer formed by copolymerization of methyl methacrylate, butadiene and styrene copolymer. Copolymer; terpolymer (SAG) formed by copolymerization of styrene, acrylonitrile and glycidyl methacrylate. One or two or more compatibilizers are used together. The 3D printing composite material prepared by the invention is non-toxic and environment-friendly, has superior comprehensive performance, and has broad market prospects and application value.

Provided are high purity sodium p-styrenesulfonate with an excellent hue which is useful as a reactive emulsifier or dispersant for producing a polymer emulsion, or synthetic starch for clothing ironing and poly(sodium p-styrene-sulfonate) with an excellent hue using the same or sodium p-styrenesulfonate improved in fluidity while keeping good solubility.

An aqueous p-β-bromoethylbenzenesulfonic acid solution and an aqueous sodium hydroxide solution are reacted under specific conditions to control the particle size, thereby obtaining sodium p-styrenesulfonate particles improved in a balance between fluidity and solubility, and further, impurities such as isomers are reduced, thereby obtaining high-purity sodium p-styrenesulfonate with an excellent hue.

Provided herein are asphalt compositions comprising asphalt, a carboxylated copolymer, a polyalkyleneimine, and a photoinitiator. The carboxylated copolymer present in the asphalt compositions can be a latex composition derived from a carboxylated styrene-butadiene copolymer. The carboxylated copolymer includes from 0.5% to 25% by weight carboxylic acid monomers. The carboxylated styrene-butadiene polymer and the asphalt can be present in a weight ratio of from 1:99 to 1:10. The polyalkyleneimine present in the asphalt compositions can be in an amount of greater than 0% to up to 10% by weight of the asphalt composition. The photoinitiator can include benzophenone and/or a derivative thereof. Tack coats meeting ASTM-D-977 standard comprising the asphalt compositions disclosed herein are also provided. The tack coat can have a tack-free time of 10 minutes or less. Methods of producing the asphalt compositions and tack coats are also disclosed.

The invention is to provide a hot melt composition for a toilet seat sheet, settling problems of the transfer of an adhesive to the toilet seat and resistance to washing, while keeping the adhesiveness to the toilet seat of a Western-style toilet bowl, using no solvent so as not to require a drying equipment, composed only of a base material and an adhesive layer so as not to require specific coating patterns, and advantageous in the production cost concerning to the equipment, time and the like, and to provide a toilet seat sheet produced by using the composition. The hot melt composition for a toilet seat sheet comprises (A) 5-30 mass% styrene-based thermoplastic elastomer, (B) 20-55 mass% tackifier resin having >=100[deg.]C softening point, (C) 10-40 mass% plasticizer, (D) 0-15 mass% amorphous polyolefin and (E) 0.1-5 mass% white pigment, and has 1,000-10,000 mPa s melt viscosity at 160[deg.]C, and a toilet seat sheet produced by using the composition is also provided.

A laundry detergent composition is disclosed which has a quantity of laundry detergent, a quantity of poly(styrene-4-boronic acid), and a quantity of zinc oxide particles separate from the laundry detergent and the poly(styrene-4-boronic acid).

The invention relates to the technical field of extrusion and processing of plastic products, in particular to a color bending-resistant co-extruded section bar reflecting infrared rays, which comprises, by weight part, 100 parts of acrylic acid-styrene-acrylonitrile copolymer or polymethylmethacrylate, 0-110 parts of polyvinyl chloride (PVC) and 5-16 parts of stabilizing agent. A color bending-resistant co-extruded granular material reflecting the infrared rays is obtained by adding a dry mixed potassium titanate crystal whisker material treated by a silane coupling agent, the color bending-resistant co-extruded granular material reflecting the infrared rays and a PVC dry material with a processing agent are prepared into the color bending-resistant co-extruded section bar reflecting the infrared rays through a special co-extruding mold, and color co-extruded doors and windows made of the color bending-resistant co-extruded section bars reflecting the infrared rays have the functions of reflecting the infrared rays, insulating heat and strengthening resistance to deformation. Under the action of the infrared rays, the thermal deformation degree of the color co-extruded doors and windows is reduced, the service life of the color co-extruded doors and windows is prolonged, and the reduction of the sealing performance of the color co-extruded doors and windows is avoided.

The invention discloses an epoxy group containing polysilsesquioxane sulfonate, and a preparation method and applications thereof. The preparation method comprises following steps: a, a mercapto trialkoxysilane monomer is added into an aqueous solution containing an anionic surfactant and an alkali catalyst for reaction; b, after reaction in step a, with stirring, under ultraviolet lamp illumination, p-styrene sulfonate, glycidyl methacrylate, and 1-hydroxycyclohexyl phenyl ketone are added successively; c, after reaction in step b, solid liquid separation is carried out so as to obtain a solid product; and d, the solid product obtained in step c is subjected to washing and drying so as to obtain a finished product. According to the preparation method, grafting of the sulfonate and the epoxy groups onto the polysilsesquioxane chains of the epoxy group containing polysilsesquioxane sulfonate is adopted, so that the compatibility with PC is excellent, dispersion is convenient, migrationresistance is achieved, pollution is less, and an extremely low adding amount is capable of improving PC flame resistance grade to be UL94V-0 grade (1.6mm), and the durability is excellent.

The invention discloses a production process of an environment-friendly water-based anti-corrosion coating. The production process comprises the following steps: adding deionized water and an SN-5027 water-resistant dispersant into a paint preparation tank, fully and uniformly stirring, further putting attapulgite, iron oxide red powder, aluminum tripolyphosphate, mica powder, an AMP-95 additive, a defoaming agent and the like into the paint preparation tank, uniformly stirring, then grinding by a sand mill to the fineness of not more than 30mu m, further adding a self-crosslinked and modified styrene-acrylate emulsion, a mildew-proof and anti-bacterial agent and other additives into the paint preparation tank, fully and uniformly stirring, regulating viscosity with the deionized water till the coating is qualified, filtering and packaging. The produced coating has the characteristics of high drying speed, great anti-rust and anti-corrosion properties, and excellent heat resistance, resistance to brine and resistance to a nitrocellulose coating, thereby meeting the requirements on a dip coating line of a cast iron housing of a diesel engine that emulsification-resistant cutting fluid, 30# mechanical oil and a hot washing solution at 90 DEG C have no sticking, decoloring and blistering and other quality indexes during soaking and rinsing.

The invention discloses a polyester alloy composition for improving high-temperature welding performance and application thereof, and relates to the technical field of high polymer materials, the polyester alloy composition is prepared from the following components by weight: 5-30 parts of polyarylester, 30-70 parts of polycarbonate, 10-30 parts of a styrene-butadiene-acrylonitrile copolymer, 2-6 parts of a flexibilizer, and 0.5-2 parts of a heat stabilizer. 1-2 parts of a coloring agent, 0.4-1 part of an antioxidant, 0.2-0.5 part of a lubricant and 0.1-0.5 part of an ester exchange inhibitor. The polyester alloy composition for improving the high-temperature welding performance provided by the invention has the characteristics of high temperature resistance, high welding strength and stable size; therefore, the alloy material is particularly suitable for being applied to the field with the requirements for high strength and high size precision of hot plate welding, for example, the hot plate welding of main and auxiliary instrument panel bodies and side plates of automobiles has a good application effect.

The invention discloses a cement nanometer toughening agent for petroleum and natural gas well cementation. The cement nanometer toughening agent comprises the following components in parts by weight:100 parts of clear water, 40-80 parts of condensed nano silicon powder, 5-10 parts of flexible particles, 1.2-1.5 parts of hydroxypropyl starch and 0.1-0.3 part of polyvinyl chloride fiber, wherein the flexible particles are styrene thermoplastic elastomers. A preparation method is simple, and the cement nanometer toughening agent can be obtained only by weighing the components according to a certain weight ratio and then uniformly mixing and stirring the components; the cement nanometer toughening agent liquid for natural gas well cementation has good compatibility with cement paste; according to the invention, on-site construction requirements can be met, the elastic modulus of the set cement is reduced on the premise of ensuring the compressive strength of the set cement, so that the impact resistance of the annular set cement is strong, the annular set cement can bear the influence caused by large-scale fracturing and alternating stress change of a gas storage well shaft, and theservice life of oil-gas wells is prolonged.