1085 results about "Vinyltriethoxysilane" patented technology

The invention relates to an antibacterial treatment method for wool fiber, which comprises the following steps: an organic-inorganic composite antibacterial agent, namely silver-bearing silicon dioxide-chitosan is taken as an antibacterial agent and prepared into a pentabasic antibacterial mother liquor with anhydrous alcohol, deionized water, a diluted hydrochloric acid, a dispering/coupling agent and gamma-vinyltriethoxysilane A-151; the wool fiber is subjected to pre-irradiation of the ultraviolet light, and then immersed into the antibacterial mother liquor for secondary irradiation; and the wool fiber and the silver-bearing silicon dioxide-chitosan composite antibacterial agent generate chemical reaction under the action of a light trigger benzophenone and are combined by means of valence linkage to form an antibacterial film with the thickness of 200 nanometers. The antibacterial treatment method improves the persistence of antibacterial functions of the wool fiber, and the antibacterial rate of the wool fiber is still 98.6 percent after being washed for 50 times. Moreover, the antibacterial treatment method has short process flow, small number of equipment used, quick antibacterial speed, high efficiency and good effect, is easy to prepare the mother liquor, is particularly suitable for performing antibacterial treatment on the wool fiber and pashm fiber, and improves the efficiency by 90 percent compared with the prior antibacterial technology.

The invention discloses a method for modifying nano titanium dioxide sol by utilizing a silane coupling agent. The method comprises: mixing 20-70 parts by weight of absolute ethyl alcohol, 10-25 parts by weight of deionized water and 5-25 parts by weight of hydrochloric acid at room temperature; adding the mixture to the mixed liquor of 100 parts by weight of butyl titanate and 20-70 parts by weight of absolute ethyl alcohol at the addition speed controlled at 0.4-0.6g/min; stirring the mixture for 0.5-1.5 hours, then adding 1-20 parts by weight of silane coupling agent, and stirring the mixture for 0-24 hours; and heating the mixture to 70-85 DEG C and stirring the mixture to react for 0.5-2.0 hour, thus preparing the nano titanium dioxide sol modified by the silane coupling agent, wherein the silane coupling agent is gamma-methacryloxy propyl trimethoxy silane, ethenyl trimethoxy silane or ethenyl triethoxy silane. The method has the characteristics of simple process, mild reaction conditions, no pollution, wider application prospect and the like.

The invention discloses a mud resistance and slump loss resistance type high-performance polycarboxylic acid water reducer and a preparation method thereof. The water reducer comprises isopentenyl polyoxyethylene ether, an initiator, a solution A and a solution B, wherein the solution A comprises acrylic acid, hydroxyethyl acrylate, hydroxypropyl acrylate, sodium methylacrylsulfonate, 2-acrylamido-2-methylpropanesulfonic acid, vinyl acetate, vinyltriethoxysilane and water; and the solution comprises a chain transferring agent, a reducing agent and water. The high-performance polycarboxylic acid water reducer is obtained through scientific proportioning and multi-time test. The water reducer has high water reducing rate and good slump loss resistance, solves the problem of adaptability of polycarboxylic acid water reducers to concrete raw materials, and can realize a good slump loss resistance effect and reduce the slump loss of concrete when the water reducer is especially applied in case of concrete raw materials with large mud content; and the preparation method of the water reducer has the advantages of simple operation, convenient preparation, low cost, and suitableness for industrial large-scale production.

The invention discloses a wear-resistant and heatproof modified polyurethane rubber cable material which comprises the following raw materials: modified polyurethane, acrylate rubber, ethylene-propylene-diene monomer, nitrile butadiene rubber, epoxy resin, polyether glycol, toluene diisocynate, polyvinyl alcohol, diisobutyltin dilaurate, polyvinyl chloride, hydroxyl-terminated polybutadiene, hydroxyl-terminated polyalcohol, isocyanate, vinyltriethoxysilane, dibutyltin dilaurate, silicone oil, a carbon nanotube, organic modified montmorillonoid, nano alumina powder, talc powder, bamboo carbon fiber, chlorinated paraffin, silicon dioxide, zinc oxide, stearic acid, nano aluminum hydroxide, a flame retardant, an anti-aging agent, a plasticizer, an antioxidant and an accelerant. The modified polyurethane rubber cable material disclosed by the invention has excellent wear-resistant and heatproof properties.

The invention discloses a plastic-wooden composite tray which is prepared from the raw materials in parts by weight: 50-60 parts of high density polyethylene, 20-30 parts of copolymerization polypropylene, 30-40 parts of modified wood meal, 40-50 parts of plastic renewable material, 20-30 parts of active calcium, 1-2 parts of zinc stearate, 1-2 parts of calcium stearate, 2-3 parts of n-butyl methacrylate, 0.3-0.5 part of polyethylene wax, 0.4-0.6 part of triethoxyvinylsilane, 0.3-0.4 part of antioxidant 1010, 0.4-0.6 part of anti-aging agent MB, 8-10 parts of foaming modifier, 4-8 parts of ACM, 4-8 parts of MBS, 25-30 parts of oxidized polyethlene wax, 0.2-0.3 part of foaming agent, 4-8 parts of TPE (Thermoplastic Polyurethane Elastomer), 8-12 parts of chlorinated polyvinyl chloride, 5-8 parts of glass fiber and 3-4 parts of semi-reinforced carbon black. The plastic-wooden composite tray produced by using the preparation method has the advantages of excellent mechanical property, capability of being sawed, planed and nailed, good durability, high repeated usage rate, capability of being recycled, resistance to insect biting, acid and alkaline resistance, aging resistance, and low water absorption and low deformation rate.

The invention discloses a capacitor thin film with homo-polypropylene as a substrate and a preparation method of the capacitor thin film. The composition raw materials of the thin film in parts by weight are as follows: 20-30 parts of LDPE (Low Density Polyethylene), 30-40 parts of homo-polypropylene, 3-5 parts of epoxy linseed oil, 2-3 parts of polyvinyl alcohol, 1-2 parts of aluminum hydroxide, 1-2 parts of polyisobutene, 8-12 parts of diatomite, 1-2 parts of dicyclopentadienyl iron, 0.9-1.1 parts of poly-4-methyl-1-pentene, 0.5-0.7 part of permanent white, 9-11 parts of nano-clay, 2.0-2.5 parts of catechol, 1.2-1.6 parts of di(ethylene glycol) benzoate, 1.3-1.8 parts of dibutyl phthalate, 4-6 parts of calcium stearate, 1.5-2.0 parts of vinyl triethoxy silane, and 2.5-3.0 parts of modified tree ash. The thin film provided by the invention is manufactured by taking the homo-polypropylene as a main raw material and the low density polyethylene as an auxiliary raw material, and enabling a plurality of auxiliary additives and the homo-polypropylene as well as the low density polyethylene to be subjected to mixed extrusion, film blowing sizing, and cutting; the preparation method is simple; simultaneously, the diatomite, the nano-clay and the modified tree ash are added into the raw materials to enhance barrier property and air tightness of the thin film; and the thin film has the characteristics of good pressure resistance, good impact resistance, heat seal strength, and good heat seal performance.

The invention discloses a preparation method of nuclear shell structure high-silicon silicone acrylic emulsion used for building exterior walls. Firstly, the invention uses octavinyl cyclotetrasiloxane, octamethylcyclotetra siloxane, dodecylbenzene sulfonic acid, sodium dodecyl benzene sulfonate, emulsifier 0P-10 and deionized water to prepare unsaturated organo-siloxane low polymer emulsion; theorgano-siloxane low polymer emulsion, acrylate monomer mixture, initiator A, emulsifier, pH value regulator, molecular weight regulator and deionized water are adopted to polymerize nuclear emulsion;and finally, silicon acrylic nuclear emulsion, deionized water, anion/non-ion emulsifier, acrylate monomer mixture, VTES coupling agent and initiator B are adopted to polymerize nuclear emulsion to prepare high-silicon silicone acrylic emulsion. The method of the invention effectively inhibits organosilicon self-polymerization, so that the silicone acrylic emulsion of the invention has high silicon content and stable storage, has the properties of favorable weather resistance, smudge resistance, water resistance and the like, has high gloss and beautiful degree and can satisfy the requirements of high-grade buildings on exterior wall paint.

The invention discloses a phosphorus-containing flame retardant based on polyhedral oligomeric silsesquioxane (POSS) and a preparation method of the phosphorus-containing flame retardant. The flame retardant is prepared by carrying out hydrogenated addition and acid-catalyzed hydrolysis condensation reaction on 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) and DOPO derivatives thereof and vinyltriethoxysilane (VTES); the flame retardant has the advantages of high phosphorus content, high flame-retardant efficiency, good heat resistance and little influence on mechanical property of a material; the flame retardant is used for products such as high temperature vulcanized silicone rubber and room temperature vulcanized silicone rubber, and also can be used as a temperature-resistant flame retardant of a thermoplastic polymer material; meanwhile, the flame retardant is high in phosphorus content; by adding a small amount of flame retardant, an excellent flame-retardant effect can be realized; a unique POSS structure belongs to a semi-inorganic organosilicone material, so the heat resistance of the flame retardant is improved.

Tipping paper is prepared from the following raw materials in parts by weight: 60-70 parts of softwood pulp, 100-120 parts of hardwood pulp, 2-3 parts of trimethoxy(methyl)silane, 3-4 parts of triethoxyvinylsilane, 1-2 parts of sodium metasilicate, 1-2 parts of ethanol, 2-3 parts of polyvinyl acetate emulsion, 1-2 parts of sodium carbonate, 1-2 parts of an anti-oxidation agent 168, 3-4 parts of meerschaum powder, 2-3 parts of vermiculite powder, 1-2 parts of sodium tripolyphosphate, 1-2 parts of sodium carboxymethylcellulose, 1-2 parts of sodium persulfate and 1-2 parts of grape seed oil. The technological effects comprise that by adding the anti-oxidation agent into the raw materials, the tipping paper is increased in yellowing resistance, and also is substantially prolonged in storage time; and also, by adding ester materials into the raw materials and through cross-linking polymerization, the toughness and the flexibility of the tipping paper are increased, also the tipping paper is improved in water resistance and wet resistance, and a paper sheet has good lip sticking resistance.

The invention relates to a temperature-resistance drilling fluid drill-feeding plugging agent and its preparation method, the drill-feeding plugging agent comprises the following components by weight: 30-80 parts of vegetable fiber, 10-40 parts of mineral fiber, 10-40 parts of fruit shell, 0-10 parts of powdered steatile, and 3-10 parts of silicon-based gel deformation particles. The silicon-based gel deformation particles enable emulsification and dispersion of 1.4-2.5 parts of vinyltriethoxysilane monomer according to weight to an aqueous solution composed of 18-24 parts of acrylamide, 0.0025-0.005 parts of N,N'-methylene bisacrylamide, 0.7-1.25 parts of OP-10 and 0.1-0.17 parts of sodium dodecyl benzene sulfonate, 0.003 parts of disodium ethylene diamine tetraacetate, 0.009-0.12 parts of ammonium persulfate and 0.009-0.012 parts of sodium bisulfate, a process of micellar copolymerization is carried out, a polymer is dried, granulated and crushed to obtain the silicon-based gel deformation particles with average particle size of 80-200 meshes; easy-leakage highly-permeable stratum and micro crack are effectively plugged, rheological parameter of the drilling fluid is not influenced, frictional resistance coefficient of the drilling fluid is reduced, a storage layer is protected, and the drill-feeding plugging agent is suitable for plugging the easy-leakage stratum and the storage layer.

The invention discloses high-wear-resistant antibacterial acrylate paint. The high-wear-resistant antibacterial acrylate paint is prepared from the raw materials: an aqueous acrylate emulsion, alkyd resin, organosilicon modified unsaturated polyester resin, silica sol, cellulose acetate butyrate, polyvinyl pyrrolidone, modified nano-titania, calcium carbonate whiskers, octadecyl trimethyl ammonium chloride modified montmorillonite, hollow glass beads, zinc oxide, ethylene glycol mono-n-propyl ether, di-propanediol butyl ether, triethylene glycol monoethyl ether, an anti-settling agent, a humectant, an antifoamer, per-methoxylation melamine resin, 3,5-dimethyl-2-aminobenzoic acid, trimethylaniline, a leveling agent, vinyl triethoxysilane and deionized water. The high-wear-resistant antibacterial acrylate paint provided by the invention is high in hardness, good in wear resistance, excellent in antibacterial performance and long in service life.

The invention discloses a high-strength multifunctional plugging agent. The plugging agent comprises, by mass, 100 parts of a structural forming agent, 0.001-15 parts of a curing agent, 0.001-10 partsof an interface adhesion agent, 0.001-200 parts of a nano filler and 0.001-30 parts of a diluent, wherein the structural forming agent comprises one or two of unsaturated polyester and vinyl resin; the curing agent comprises one or more of peroxide, persulfide and azo compounds; the interface adhesion agent comprises vinyl triethoxy silane or vinyl trimethoxy silane; the nano filler comprises oneor more of nanoscale or micron-scale carbonate, silicate and sulfate. During use, the structural forming agent, the curing agent, the interface adhesion agent, the nano filler and the diluent are mixed and react to generate liquid gel; the liquid gel is injected to a target plugged zone position and is solidified to form the high-strength multifunctional plugging agent. The plugging agent is stable in performance, good in residence property, high in adhesion force, high in elasticity modulus and high in compressive strength, and has a wide application range and good effects in oil and gas field drilling and production operation.

A copolymer based on olefinic sulphonic acids as monomer component a) and an organosilicone-containing compound as reactive component b) is proposed, for which in particular 2-acrylamido-2-methylpropanesulphonic acid (AMPS®) is suitable as component a) and vinyltrimethoxysilane, vinyltriethoxysilane and trichlorosilane as component b). This copolymer, which may have a molecular weight of from 5,000 to 5,000,000 g/mol, may also comprise further reaction components c) and d) in addition to the two main components for which further reaction components (meth)acrylamides or vinyl ethers are suitable. These copolymers, which are obtainable in particular by precipitation or gel polymerizations, are used in particular in applications in construction chemistry and here especially as water retention agents and fluid loss additives in drilling fluids and for well cementing. The novel copolymers are distinguished by pronounced thermal stability, which is displayed especially under difficult pressure conditions and at high salinities.

The invention discloses a hydrophobic-surface treatment agent and a preparation method thereof. The preparation method comprises adding 1,1,1,3,5,5,5-heptamethyltrisiloxane and a catalyst into a reactor under 35-65 DEG C, adding vinyl trimethoxysilane or vinyl triethoxysilane in drops, after the reaction, adding active carbon for adsorption processing, filtering, and distilling filtrate under a reduced pressure to obtain the hydrophobic-surface treatment agent. According to the invention, the 1,1,1,3,5,5,5-heptamethyltrisiloxane with high-activity silicon-hydrogen bonds and the vinyl silane with double bonds are used as raw materials, a high-yield hydrosilylation reaction is utilized, and the product is prepared by a one-step synthesis method. The agent is high in reaction activity of function groups, low in surface energy, mild and controllable in reaction conditions, high in product yield and low in production cost.

According to the invention, methyl methacrylate (MMA), butyl acrylate (BA), ethyl acrylate (EA), acrylic acid (AA) and methacrylic acid (MAA) and trifluoroethyl methacrylate (TFEMA), vinyltriethoxysilane (KH-151) and styrene (ST) and other functional monomers are used as comonomers; benzoyl peroxide (BPO) is used as a chain initiator, a solution polymerization method is used, and a free radical polymerization is carried out through a special process to synthesize organic fluorine-silicon modified waterborne acrylic resin with excellent performance. The resin is extra-weather-resistant, is applied to a water-based acrylic coating, and has advantages of good gloss retention, exterior durability, good pollution resistance and the like. By the use of the resin, water resistance, solvent resistance and heat resistance of a water-based acrylic resin coating can be improved, and hardness and shock resistance of a paint film can be enhanced. As a coating with superior performance, the product has a wide application prospect.

The invention discloses a low-temperature-resistant and abrasion-resistant cable. The low-temperature-resistant and abrasion-resistant cable comprises a conductive cable core, an inner protective cover and an outer protective cover. The conductive cable core is wrapped by the inner protective cover, and the inner protective cover is wrapped by the outer protective cover. The outer protective cover comprises polymethylvinylphenylsiloxane gum, hydrogenated butadiene-acrylonitrile rubber, solution polymerized styrene-butadiene rubber, methyl fluorine silicone oil, epoxidized soybean oil, dioctyl nylon acid ester, fumed silica, micro gelating capsule red phosphorus, melamine phosphate, dicumyl peroxide, vinyltriethoxysilane, zinc oxide, Ca/Zn compound stabilizer, TX-1 type rare-earth stabilizer, magnesium stearate, antioxygen 1076, phosphorous acid trioctyl ester and silicone powder. The low-temperature-resistant and abrasion-resistant cable is good in low temperature resistance and high in tenacity and abrasion resistance.

The invention discloses a high-rigidity steel belt reinforced polyethylene spiral corrugated pipe and a preparation method thereof. The high-rigidity steel belt reinforced polyethylene spiral corrugated pipe comprises an inner polyethylene pipe, formed steel belts and an outer polyethylene pipe. The formed steel belts are wound around the outer surface of the inner polyethylene pipe at equal intervals and wrapped by the outer polyethylene pipe. The inner polyethylene pipe and the outer polyethylene pipe respectively comprise, by weight, 80-86 parts of high density polyethylene, 8-10 parts of magnesium hydrate, 4-6 parts of compatilizers, 3-4 parts of dibutyltin dilaurate, 2-4 parts of calcium hypophosphite, 2-3 parts of polyoxyethylene, 5-6 parts of polyethylene-graft-maleic anhydride, 7-9 parts of alkyl phosphoric acid, 3-6 parts of superfine talcum powder, 5-7 parts of lustering agents for plastic, 6-8 parts of aluminium-zirconium coupling agents, 4-5 parts of vinyltriethoxysilane, 4-7 parts of beta (3,5 di-tert-butyl-4-hydroxycyclohexyl phenyl ketone) propionic acid octadecyl ester, 5-8 parts of color master batches and 10-12 parts of assistant master batches. According to the high-rigidity steel belt reinforced polyethylene spiral corrugated pipe and the preparation method of the high-rigidity steel belt reinforced polyethylene spiral corrugated pipe, the technology is simple, the production cost is low, pipes are not likely to be fractured, adhesive bonding is firm, the layering problem is not likely to be produced, and using is safe and reliable.

The invention provides a polyethylene cable material and a preparation method thereof. The coating is characterized by comprising the following raw materials by weight parts: 45-50 parts of linear low-density polyethylene, 2-3 parts of PPS, 4-5 parts of stearic acid monoglyceride, 1-2 parts of nano-clay brick slag powder, 16-19 parts of general purpose polystyrene, 2-3 parts of polyisobutylene, 1-2 parts of ABS high crumb rubber, 4-5 parts of microcrystalline wax, 3-4 parts of rapeseed oil, 32-35 parts of sepiolite powder, 23-26 parts of vermiculite powder, 12-14 parts of celestine powder, 1-2 parts of magnesium oxide, 1-2 parts of zinc oxide, 2-3 parts of zinc stearate, 1-2 parts of an accelerator TETD, 3-5 parts of methyl trimethoxy silane, 2-3 parts of vinyltriethoxysilane, 2-3 parts of ethyl acrylate, 8-10 parts of high wear resistant carbon black N 330 and 6-8 parts of modified diatomite. The cable material provided by the invention is high in mechanical property, high temperature resistance, high in flame retardant, and low-smoke and nontoxic during combustion.

Disclosed is a method for synthesizing modified manganese dioxide nanometer material compound acrylic ester type oil-absorptive resin. The method includes modifying analytically pure manganese dioxide by vinyltriethoxysilane, modifying prepared manganese dioxde nanowires by cetyl trimethyl ammonium bromide so that manganese nanometer materials are of hydrophobicity; utilizing butyl methacrylate and butyl acrylate as oil-absorptive resin as main monomer, utilizing poval, N, N'-methylene bisacrylamide, benzoyl peroxide and ethyl acetate as dispersing agent, crosslinking agent, trigger and pore-forming agent of a polymerizing reaction system, and synthesizing modified manganese dioxide nanometer material compound acrylic ester type oil-absorptive resin by means of microwave radiation. The oil absorption ratio of the acrylic ester type oil-absorptive resin synthetized by the method to halohydrocarbon such as carbon tetrachloride is 20-40% higher than that of conventional acrylic ester type high-oil-absorption resin, and thermal stability is improved largely.

The invention relates to an artemisinin molecule imprinting polymer on the surface of porous microsphere silica gel. The artemisinin molecule imprinting polymer is prepared by adopting the steps of: selecting the porous microsphere silica gel as a basal material, taking vinyl triethoxysilane as a coupling agent, artemisinin as a template molecule, methacrylate and acrylamide as functional monomers, ethylene glycol dimethacrylate as a cross-linking agent and azodiisobutyronitrile as an initiating agent, preparing a polymer and removing the artemisinin in the polymer. The invention also provides a preparation method and an application method of the artemisinin molecule imprinting polymer on the surface of the porous microsphere silica gel. The artemisinin molecule imprinting polymer on the surface of the porous microsphere silica gel can separate the artemisinin from other structural analogues, such as artemether, and the like under normal pressure and temperature and supercritical conditions, is especially suitable for supercritical conditions and has specific adsorption property, selectivity and favorable mechanical stability; and the preparation method is simple, convenient and suitable for large-scale popularization and application.

The invention discloses a preparation method of a three dimensional printing rapid forming inorganic powder material, and the method is characterized in that: adding 8%-22% by mass of vinyltriethoxysilane and 78%-92% by mass of an inorganic powder material into a grinding machine, starting the grinding machine for grinding for 4-6h in 200 rpm/min speed at room temperature to obtain a preprocessed inorganic powder material; then adding 85%-96% by mass of preprocessed inorganic powder material and 4%-15% of EVA (ethylene vinyl-acetate copolymer) hot melt adhesive powder into the grinding machine, starting the grinding machine for grinding for 4-6h in 200 rpm/min speed at room temperature to obtain the three dimensional printing rapid forming inorganic powder material, The method has the advantages of being simple in preparation process, easy to control, low in production cost, and easy in industrial production. The material can be directly formed by heating at 140 to 180 DEG C and under the pressure in the 2MPa-6MPa range without spraying of an adhesive, and the forming operation is simple.

The invention relates to a preparation method of a gel polymer dielectric film by conveying an interpenetrating network structure P (LiAMPS) single ion, which belongs to a preparation method of polymer electrolyte films. The present invention solves the problems of low transport numbers and dimension stability of the present gel polymer electrolyte ions. The invention employs 2-acrylamide-2-methyl propanesulfonic acid lithium (LiAMPS) and vinyltriethoxysilane free radical polymerization to obtain a linear polymer P (LiAMPS-co-VTES), P (LiAMPS-co-VTES) containing an ethoxy functional group enables hydrolysis and polycondensation to form a net structure, simultaneously a cross-linking agent monomer polyethylene glycol dimethyl methacrylate is performed a free radical polymerization to form another net structure. The invention is capable of raising the dimension stability of the polymer electrolyte. Through heat weightlessness analysis, the polymer electrolyte films have good heat stability, the initial weightless temperature of the films is more than 200 DEG C, so that the requirement of lithium ion battery can be satisfied.