272 results about "Dibutyl maleate" patented technology

The invention discloses a far infrared negative ion functional non-woven fabric. The far infrared negative ion functional non-woven fabric consists of a top surface layer, a back face layer and a fiber cotton layer clamped between the top surface layer and the back face layer, wherein the top surface layer and the back face layer are made of a non-woven fabric material. The non-woven fabric is prepared from the following raw materials in parts by weight through a melt blowing method: 100 parts of isotactic polypropylene, 3-4 parts of tourmaline, 2-3 parts of aluminum oxide, 1-2 parts of zinc oxide, 12-15 parts of tributyl phosphate, 1-2 parts of titanium dioxide, 6-8 parts of dibutyl maleate, 2-3 parts of 3-aminopropyltrimethoxysilane, 2-3 parts of polyethylene glycol, 3-4 parts of urea, 2-3 parts of grassleaf sweelflag rhizome, 1-2 parts of lily, 2-3 parts of kudzuvine root and 4-5 parts of aid. The non-woven fabric has far infrared, negative ions, antibacterial and deodorization functions. Due to the adoption of the isotactic polypropylene, the non-woven fabric has the characteristics of heat resistance, corrosion resistance, nontoxicity and no odor, is high in tensile strength and bonding property, does not produce dust or scrap, and has the functions of perfuming and health care.

The invention discloses a chloroprene rubber gasket with high abrasion resistance. The chloroprene rubber gasket comprises the following raw materials in parts by weight: 135-145 parts of chloroprene rubber (CR)121, 10-15 parts of butyl rubber CBK139, 20-25 parts of low density polyethylene, 3-5 parts of acetyl triethyl citrate, 2-5 parts of dibutyl maleate, 1-2 parts of isooctyl dimercaptoacetate di-n-octyl tin and the like. The chloroprene rubber gasket has the beneficial effects that the gasket has good high temperature resistance, sealability, flame retardance and corrosion resistance and can work in such medias as acid, alkali and oil for a long time; the volume and hardness of the gasket are small in variation; the gasket does not adhere to metal surfaces; and the gasket has small friction coefficient and good abrasion resistance and has the advantages of softness of bonding with sealing surfaces, good weathering aging and ozone aging resistance, durability and the like.

The invention discloses a preparation method of a package-purposed plastic-based film containing modified calcined fluorite powder. The package-purposed plastic-based film is prepared from the following raw materials in parts by weight:10-15 parts of SG-1 type polyvinyl chloride, 3-5 parts of epoxidized linseed oil, 2-3 parts of oxidized polyethlene wax powder, 1-2 parts of distearoyl isopropoxy aluminate, 8-12 parts of kieselguhr, 35-40 parts of mLLDPE (metallocene Linear Low-Density Polyethylene), 38-42 parts of ethylene/alpha olefin copolymer, 8-12 parts of LDPE, 1-2 parts of polyisobutene, 1.2-2.5 parts of poly-4-methyl-1-amylene, 0.8-1.6 parts of nano potassium feldspar powder, 4-6 parts of modified calcined fluorite powder, 1-2 parts of crosslinking agent TAIC (triallyl isocyanurate), 1.5-3 parts of dibutyl maleate, 0.5-1 part of dioctyl maleate, 0.8-1.6 parts of calcium stearate and 1-2 parts of modified sepiolite powder. The package-purposed plastic-based film has good barrier property, gas tightness, pressure resistance and impact resistance and has the characteristics of high heat seal strength and good heat seal property.

The invention discloses an isolation coating of an outer vamp of a roller skate, and relates to the technical field of processing and manufacturing of sports equipment. The isolation coating is characterized by being prepared from the following materials in parts by weight: 13-20 parts of resin, 1-4 parts of polydimethylsiloxane, 2-6 parts of dibutyl maleate, 1-3 parts of 2,6-di-tert-butyl-p-cresol, 7-11 parts of a silane coupling agent KH-550, 8-13 parts of modified diatomite, 1-5 parts of diethanolamide laurate, 1-4 parts of hydrogenated castor oil, 1-4 parts of N-methylolacrylamide, 8-13 parts of ethanol, 8-13 parts of an anti-aging agent, 9-13 parts of a biological adjuvant and 27-33 parts of deionized water. The method provided by the invention is reasonable, and convenient to operate, and the product is wear-resistant and good in toughness.

The invention discloses a nanometer potash feldspar powder modified chloroprene rubber sealing gasket. The sealing gasket comprises the following raw materials, by weight, 135-145 parts of chloroprene rubber CR121, 10-15 parts of butyl rubber CBK139, 15-20 parts of chlorosulfonated polyethylene rubber CSM2305, 10-15 parts of an SG-7 type PVC resin, 3-5 parts of acetyltriethyl citrate, 2-4 parts of dibutyl maleate, 1-2 parts of sulfur and 2-3 parts of magnesium oxide. The sealing gasket has the advantages of good high-temperature resistance, good sealing performance, good flame retardation, good corrosion resistance, realization of long-term working in mediums comprising acids, alkalis, oils and the like, small volume and hardness changes, no adhesion on the metal surface, small friction coefficient, good abrasion resistance, combination flexibility with the sealing surface, good weather ageing and ozone ageing resistances, durability and the like.

The invention discloses thermal insulation waterproof paint which consists of the following raw materials in parts by weight: 70-76 parts of silicone acrylic emulsion, 0.7-1 part of triterpenoid saponin, 2-3 parts of hexafluorobutyl acrylate, 1-2 parts of ammonium polyphosphate, 0.7-1 part of N-hydroxymethyl acrylamide, 0.1-0.3 part of polybenzimidazole, 1.3-2 parts of hydrogenated castor oil, 3-4 parts of ceramic powder, 1-2 parts of diacetone alcohol, 0.1-0.2 part of molybdenum boride, 1-2 parts of saturated stearamide, 0.8-1 part of dibutyl maleate, 6-8 parts of quartz sand, 0.5-1 part of ammonium trimolybdate, 6-8 parts of coalescing agents and 10-30 parts of deionized water. The waterproof paint has high fluidity and adhesiveness; and due to the addition of the ammonium trimolybdate and ceramic powder, the gas tightness, elasticity and wear resistance of the film can be effectively improved, and the water resistance of the film is further enhanced.

The invention discloses a special epoxy-cotton-oil-containing binding agent for automobile interior ornament surface composite leather, which is prepared from the following raw materials in parts by weight: 58-62 parts of EVA (ethylene-vinyl acetate), 14-18 parts of octyl phenolic resin 203, 10-12 parts of C5 petroleum resin, 0.5-1 part of WPP polypropylene wax, 5-7 parts of oxidized polyethylene wax, 6-8 parts of modified bamboo charcoal powder, 2-3 parts of rice hull ash, 1-2 parts of nano carbon, 0.8-1.3 parts of silane coupling agent KH550, 0.1-0.2 part of antioxidant 264, 0.8-1.2 parts of antioxidant 3010, 1-2 parts of n-butyl methylacrylate, 0.5-1 part of hydroxyethyl methacrylate, 0.3-0.5 part of dibutyl maleate, 0.3-0.6 part of epoxy cotton oil and 0.1-0.2 part of triethyl citrate. The raw materials for preparing the binding agent contain the modified bamboo charcoal powder, rice hull ash and nano carbon, and thus, the binding agent has the advantages of favorable temperature tolerance and flat composite effect, can not bubble after long-term usage, and is very suitable for automobile interior ornament surface composite leather.

The invention relates to a preparation method of a modified carboxylic acid water reducer. The preparation method comprises adding acrylamide, sodium lignosulphonate, maleic anhydride, methacrylic acid, dibutyl itaconate, dibutyl maleate, a silane coupling agent and a catalyst into a reactor with a water bath, adding deionized water into the reactor, feeding inert gas into the reactor to remove oxygen, carrying out a stirring reaction process, adding polyoxyethylene isopentenyl ether, maleic anhydride, cyclohexyl methacrylate, acyclic acid, maleic anhydride, sodium methallyl sulfonate, dimethylaminoethyl methacrylate and an azo-initiator into the mixture, continuously feeding inert gas into the mixture, carrying out a stirring reaction process, stopping stirring and inert gas feeding after the reaction is finished, adjusting pH by an alkaline solution and carrying out discharging to obtain the desired product. Through a polymerization monomer, a polycarboxylic acid host molecule is modified and cement particles can be coated so that dispersibility is improved.

The invention discloses a polyethylene glue nucleation melting-boosting adhesive special for oil and gas pipelines. The adhesive comprises the following raw materials in percentage by mass: 60 to 80 percent of polyethylene, 5 to 20 percent of reaction monomer, 0.1 to 1 percent of initiator, 0.5 to 5 percent of nucleating agent, 0.1 to 2 percent of anti-oxidant, and 5 to 25 percent of carbon black,wherein the reaction monomer may be one or more of maleic anhydride, dibutyl maleate or derivatives of acrylamide; the initiator may be one of dibenzoyl peroxide, dicumyl peroxide, ditert-butyl peroxide, tert-butyl hydroperoxide or cumene hydroperoxide; the nucleating agent is selected from benzyl sorbitol derivative series nucleating agent or phosphate salt derivative series nucleating agent; and the anti-oxidant is the main anti-oxidant 1010 and the auxiliary anti-oxidant 618. The adhesive has the advantages of excellent mechanical property, wear-resisting property and thermal property andwide application.

The invention discloses a nanometer meerschaum-modified chlorhydrin rubber gasket. Raw materials for the nanometer meerschaum-modified chlorhydrin rubber gasket comprise, by weight, 135 to 145 parts of chlorhydrin rubber H45, 10 to 15 parts of butyl rubber CBK139, 5 to 10 parts of chloroprene rubber A-90, 3 to 5 parts of triethyl acetyl citrate, 3 to 5 parts of dibutyl maleate, 1 to 2 parts of dibasic lead phosphate, 1 to 2 parts of sulphur, 3 to 5 parts of zinc oxide, 1 to 2 parts of sodium polyoxyethylene fatty alcohol ether sulfate, 40 to 50 parts of nanometer meerschaum powder, etc. The gasket provided by the invention has the advantages of good high temperature resistance, sealing performance and flame resistance, excellent resistance to corrosion, small changes in its volume and hardness when working in mediums like an acid, an alkali and oil for a long time, no adherency onto the surface of a metal, a small friction coefficient, good wear resistance, flexibility of bonding with a sealing surface, good resistance to weathering ageing and ozone ageing, durability, etc.

The invention discloses a highly oil-resistant chloroprene rubber sealing gasket comprising the following raw materials in parts by weight: 35-145 parts of chloroprene rubber CR1211, 20-25 parts of epichlorohydrin rubber, 10-20 parts of SG-2 type PVC (Polyvinyl Chloride) resin, 2-5 parts of tri(2-ethylhexyl)acetocitrate, 3-5 parts of dioctyl epoxy tetrahydrophthalate, 3-5 parts of dibutyl maleate, 1-2 parts of sodium alcohol ether sulphate, 30-40 parts of nano argil, 30-35 parts of carbon black N220, 30-35 parts of nano calcium carbonate powder and the like. The chloroprene rubber sealing gasket has excellent oil resistance and solvent resistance, is capable of satisfying the sealing requirement on an engine sump, and is easy to peel after being solidified, and cleanable and repairable without affecting dismounting and repairing.

The invention discloses a method for synthesizing dibutyl malate, which uses malic acid and n-butanol as reaction articles, uses naphthalenesulfonic acid methylal as the catalyst during the ester synthesis process, filtering the catalyst from reacted articles after reaction, water-washing, alkaline-washing, distilling the filtrate to obatin dibutyl malate. The invention has the advantages of: (1) high yield of 95.5-99.6%, (2) cheap catalyst and small usage which is 0.1-2.0% of the total weight of the reaction materials; (3) gentle reaction condition, short reaction time; (4) repeatedly-usable catalyst; (5) no environmental contamination.

The invention discloses bio-adhesive timber glue. The bio-adhesive timber glue comprises, by weight, 0.2-0.4 parts of sarcosyl, 0.1-0.3 parts of polydimethylsiloxane, 0.1-0.2 parts of tri-n-butyltin chloride, 2-3 parts of bone black, 2-4 parts of distearyl thiodipropionate, 3-5 parts of trumpet shell powder, 0.4-1 part of linoleic acid, 3-4 parts of dibutyl maleate, 5-7 parts of perchloroethylene resin, 80-86 parts of chlorosulfonated polyethylene, 0.6-1 part of tert-butyl peroxyformate, 0.3-1 part of turpentine and 5-6 parts of a bio-adhesive. The bio-adhesive utilizes elm bark powder as a structure reinforcing agent and also utilizes high viscosity polyacrylamide so that the gel has fiber characteristics and a certain toughness and thus finished product viscosity is improved and finished product toughness is improved.

The invention discloses acrylic resin thermal transfer glue and a preparation method thereof. The acrylic resin thermal transfer glue is prepared from the following raw materials in parts by weight: 25-28 parts of acrylic resin (AR-1520), 12-15 parts of polyisobutene, 4-6 parts of aminopropyltriethoxysilane, 3-5 parts of methyl triethoxysilane, 2-3 parts of dicumyl peroxide, 12-15 parts of dibutyl maleate, 4-6 parts of dodecyl mercaptan, 5-8 parts of rosin, 1-2 parts of cross-linking agent TAC, 3-5 parts of dioctyl phthalate, 1-2 parts of 1-hydroxyethyl-2-oleic imidazoline, 2-3 parts of p-phenylenediamine, 55-60 parts of acetone and 40-45 parts of xylene. Compared with the prior art, the acrylic resin thermal transfer glue disclosed by the invention has the advantages of firm bonding and rare breakage, drop and yellowing, and improves the product quality. According to the invention, the rosin and polyisobutene are added into the formula, thus the bonding capacity is greatly improved through polymerization cross-linking, and the weather resistance is improved. The corrosion resistance is greatly improved by the 1-hydroxyethyl-2-oleic imidazoline.