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45 results about "Propene epoxide" patented technology
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Anticorrosive coating and preparation method thereof
InactiveCN103421416AStrong adhesionImprove corrosion resistanceAnti-corrosive paintsEpoxy resin coatingsBenzoic acidPolymer science
The invention provides anticorrosive coating which is composed of the following components, by mass, 40-45 parts of epoxy acrylic resin, 3-6 parts of benzoic acid dibutyl phthalate, 5-8 parts of hydroxyethyl acrylate, 2-3 parts of polytetrafluoroethene, 12-15 parts of polyvinyl alcohol and 2-3 parts of p-methoxyphenol. The anticorrosive coating has good adhesive force (first level) and good anticorrosive performance and can be completely dried within 24 hours, and metal can be effectively prevented from being corroded after the surface of the metal is coated by the anticorrosive coating.
Owner:广州运诚金属制品有限公司
Epoxy-acryloyloxy primer for silicon rubber heat insulating layers and preparation method thereof
InactiveCN104673179AImprove adhesionMeet the requirements of adhesive performanceNon-macromolecular adhesive additivesEpoxyPolymer science
The invention relates to an epoxy-acryloyloxy primer for silicon rubber heat insulating layers and a preparation method thereof. The novel epoxy-acryloyloxy primer comprises a coupling agent, a crosslinking agent, a tackifier, a diluter and a curing catalyst, wherein the coupling agent is an epoxy silane coupling agent and / or an acryloyloxy silane coupling agent; the crosslinking agent is an organosilicon external crosslinking agent; the tackifier is a metal organic salt; the diluter is a siloxane capable of performing the dissolution and dilution functions of the solvent, and can be used for wiping and cleaning the silicon rubber surface; and the curing catalyst is a metal salt. The primer for solid propulsor silicon rubber heat insulating layer surface modification treatment can enhance the bonding performance of the interface between the butyl hydroxy lining layer and the silicon rubber heat insulating layer.
Owner:SHANGHAI XINLI POWER EQUIP RES INST
Steel corrosion-resistant anticorrosive paint
InactiveCN104327704AImprove corrosion resistanceAvoid corrosionAnti-corrosive paintsPolyurea/polyurethane coatingsAluminium chlorideActive agent
A steel corrosion-resistant anticorrosive paint comprises the following material components by weight: 8-15 parts of cyclohexanehexol hexaphosphate, 4-9 parts of polyurethane, 4-8 parts of benzene-free low-viscosity short-oil alkyd resin, 5-7 parts of epoxy acrylic water-base resin, 4-7 parts of butyl carbitol, 3-6 parts of wax powder, 2-5 parts of titanium dioxide, 1-3 parts of heavy calcium carbonate, 2-6 parts of a defoaming agent, 4-8 parts of organic bentonite, 1-5 parts of basic aluminum chloride, 3-6 parts of an organosilicone nonionic surfactant, and 2-8 parts of an isocyanate curing agent. The beneficial effect is that, the steel corrosion-resistant anticorrosive paint has good anti-corrosion effect, can inhibit metal corrosion, and is low in cost and easy to use.
Owner:QINGDAO WENSHENG AUTOMOBILE COMPONENTS & PARTS
High temperature 880 DEG C-resistant nanographite coating and preparation method thereof
InactiveCN104673060AHigh puritySmall granularityPaints with biocidesAnti-corrosive paintsAcrylic resinEthyl acetate
The invention discloses a high temperature 880 DEG C-resistant nanographite coating. The high temperature 880 DEG C-resistant nanographite coating comprises the following components in parts by mass: 65-80 parts of epoxy acrylic resin, 42-58 parts of ethyl acetate, 15-32 parts of nanographite, 8-12 parts of bamboo charcoal fiber, 13-17 parts of nanosilicon dioxide, 10-22 parts of nanomontmorillonite powder, 21-25 parts of dimethyl formamide, 16-18 parts of isopropanol, 14-20 parts of ethidene diamine, 13-21 parts of polyethylene, 9-11 parts of polydimethylsiloxane, 7-15 parts of silane and 55-75 parts of deionized water. The invention discloses a preparation method of the high temperature 880 DEG C-resistant nanographite coating. The high temperature 880 DEG C-resistant nanographite coating can be used in an extreme environment, and is resistant to high temperature and corrosion, good in anti-aging performance, simple in preparation process, safe, environment-friendly and free from pollution.
Owner:JIANGSU XIN AN NEW MATERIALS TECH
Ultraviolet light curable low viscosity epoxy acrylate resin and preparation method and application thereof
ActiveCN107163225ALow viscosityEvenly distributed molecular structureInksEpoxy resin coatingsChromium CompoundsEpoxy
The invention relates to an ultraviolet light curable low viscosity epoxy acrylate resin and a preparation method and application thereof. The preparation method of the ultraviolet light curable low viscosity epoxy acrylate resin comprises the following steps: mixing epoxy resin, a polymerization inhibitor and a catalyst A, stirring, heating to 30-130 DEG C, holding the temperature, and fed-batch adding methyl acrylic acid and a catalyst B within 0.3-2.0 h; and further reacting for 4-12 h after fed-batch addition is finished, and discharging to obtain the ultraviolet light curable low viscosity epoxy acrylate resin, wherein the catalyst A is an organic ammonium compound, and the catalyst B is an iron compound and / or a chromium compound. The epoxy acrylate resin prepared by the preparation method of the invention reduces viscosity while retaining the original physical and chemical properties of epoxy acrylate resin, also has the advantages of good wetting property and low yellow-stain, and can be widely used in plastic jackets, paper varnish, form coating or printing ink.
Owner:南京玖泰新材料科技有限公司
Glycosyl biforate carbon material and preparation method and application thereof
InactiveCN101580239ALow costImprove physiological activityCarbon preparation/purificationPharmaceutical non-active ingredientsNitrogen gasPolypropylene
The invention provides a glycosyl biforate carbon material and a preparation method and an application thereof. The glycosyl biforate carbon material comprises the following the components according to the parts by weight: 1 part of polyoxene-polypropylene-polyoxene triblock copolymer, 0.5-10 parts of water, 0.2-2 parts of sugar and 0.2-2 parts of silica source. The preparation method comprises the following steps: dispersing polyoxene-polypropylene-polyoxene triblock copolymer in water evenly and stirring at the temperature of 50-100 DEG C, adding sugar, extracting and refluxing by ethanol; adding silica source at the temperature of 80-130 DEG C for aging, then filtrating, cleaning, drying; carbonizing the obtained dry solid at the temperature of 500-900 DEG C on the protection of nitrogen gas; cleaning the carbonized product by acid solution, washing by distilled water or deionized water at PH value 6-7, and drying to obtain the finished product. The application of the invention is to prepare polypeptide macromolecule medicine controlled release preparation. Low-molecular system and macromolecule system can be both selectively and intellectively controlled and released by the material provided by the invention which has a wide application prospect.
Owner:GUANGDONG PHARMA UNIV
Lubricating grease material for crane jib and preparation method of lubricating grease material
InactiveCN104357146AImprove stabilityImprove friction and wear propertiesLubricant compositionPolyamidePhosphoric acid
The invention discloses a lubricating grease material for a crane jib and a preparation method of the lubricating grease material for the crane jib. The lubricating grease material is prepared from components in parts by weight as follows: 80-95 parts of base oil, 12-18 parts of epoxy acrylate, 10-15 parts of polyamide-imide resin, 8-12 parts of 2-ethylhexylphosphoric acid mono (2-ethylhexyl) ester, 5-8 parts of graphene, 2-4 parts of aluminum nitride, 0.5-4 parts of an antioxidant and 0.5-1 part of tartaric acid. The method comprises steps as follows: (1) weighing and evenly mixing 80-95 parts of the base oil, 5-8 parts of the graphene, 2-4 parts of the aluminum nitride, 0.5-4 parts of the antioxidant and 0.5-1 part of the tartaric acid; (2) adding 12-18 parts of the epoxy acrylate, 10-15 parts of the polyamide-imide resin and 8-12 parts of the 2-ethylhexylphosphoric acid mono (2-ethylhexyl) ester to a product of the step (1), and performing ultrasonic dispersion at the temperature of 85 DEG C; (3) adjusting the pH value of a product of the step (2), and performing filtration and degasification to obtain the lubricating grease material for the crane jib.
Owner:WUXI FEITIAN GREASE
Hydrophobic anti-fouling ultraviolet curing coating and preparation method thereof
InactiveCN113755077AEvenly heatedWill not cause decompositionEpoxy resin coatingsPolymer scienceAcrylic resin
The invention discloses a hydrophobic anti-fouling ultraviolet curing coating and a preparation method thereof. The coating is prepared from the following raw materials in parts by weight: 40 to 50 parts of graphene modified bisphenol A type epoxy acrylic resin, 20 to 30 parts of a reactive diluent, 20 to 25 parts of a solvent, 5 to 10 parts of a photoinitiator, 1 to 5 parts of a leveling agent, and 0.1 to 1 part of functional acrylic resin containing double bonds. The preparation method comprises the steps: adding the components into a reaction container in parts by weight, and stirring and dispersing at a high speed for 3.5-5.5 hours. According to the invention, the problems of toughness strength, wear resistance and self-repairing of a common anti-fouling coating layer are solved.
Owner:武汉格林鸿业新材料科技有限公司
A kind of one-component polyurethane waterproof coating and preparation method thereof
ActiveCN110684457BImprove mechanical propertiesGreenPolyurea/polyurethane coatingsPolymer sciencePtru catalyst
The invention provides a single-component polyurethane waterproof coating and a preparation method thereof, belonging to the technical field of waterproof coatings. The one-component polyurethane waterproof coating provided by the present invention includes the following raw materials in parts by mass: 15-20 parts of diisocyanate; 30-45 parts of polyether polyol; 6-10 parts of castor oil modified polyol; 10-15 parts; 10-15 parts of filler; 2-8 parts of latent curing agent; 0.03-0.3 parts of organic acid; 0.1-0.2 parts of catalyst; 0.4-0.6 parts of defoamer; The ether polyol is a mixture of epoxy propylene polyether diol, epoxy propylene polyether triol, polytetramethylene glycol and bisphenol A polyether polyol. The one-component polyurethane waterproof coating provided by the invention has excellent mechanical properties, the tensile strength is over 20 MPa, the elongation at break is greater than 450%, the tear strength is 55 N / mm, and the surface drying time is short.
Owner:上海固密特新材料科技有限公司
Photosensitive resin and application of photosensitive resin to preparation of liquid photosensitive solder resist ink
ActiveCN110673442AEmission reductionMeets requirementsInksPhotosensitive materials for photomechanical apparatusPolymer scienceAcrylic resin
The invention discloses photosensitive resin and application of the photosensitive resin to the preparation of liquid photosensitive solder resist ink. The photosensitive resin is prepared from the following raw materials in parts by weight: 200 to 300 parts of bisphenol A type epoxy acrylic resin; 180 to 190 parts of diethylene glycol monoethyl ether acetate; 45 to 90 parts of acrylic acid; 2 to8 parts of N, N-dimethyl benzylamine; 2 to 8 parts of hydroquinone; and 45 to 90 parts of tetrahydrophthalic anhydride. Matrix resin synthesized from the photosensitive resin has better toughness, more excellent hydrophilicity and more excellent dehydration performance in the production process compared with matrix resin in the prior art. When the photosensitive resin is added into the formula ofthe liquid photosensitive solder resist ink, the discharge amount of VOCs (volatile organic compounds) of the ink is greatly reduced.
Owner:新东方油墨有限公司
Method for preparing modified propylene oxide ester
The invention discloses a method for preparing modified propylene oxide ester, which comprises the following steps: (1) reacting polyester polyol with acid anhydride at 60-90 DEG C for 1-2 hours underthe action of 4-dimethylaminopyridine to synthesize carboxyl-terminated polyester polyol, namely an intermediate 1; (2) reacting the intermediate 1 with epoxy resin for 1-2 hours at 80-100 DEG C under the action of a catalyst 1 to prepare polyester polyol toughened and modified epoxy resin, namely an intermediate 2; wherein the catalyst 1 is one of triethylamine, N,N-dimethylaniline and pyridine;(3) reacting the intermediate 2 with acrylic acid for 5-7 hours at 100-120 DEG C under the action of a polymerization inhibitor and a catalyst 2 to prepare modified epoxy acrylate; and wherein the catalyst 2 is one or a combination of tetraethylammonium bromide, benzyl trimethyl ammonium chloride and triphenylphosphine. After the modified epoxy propylene ester prepared by the method is cured, theflexibility of a film is good.
Owner:LIMING RES INST OF CHEM IND
Water-based white finish for metal printing and preparation method thereof
The invention provides a water-based white finish for metal printing and a preparation method thereof. The water-based white finish comprises, by mass, 25%-55% of waterborne epoxy acrylic resin, 5%-15% of alkyd resin, 35%-50% of titanium dioxide slurry, 5%-25% of propylene glycol ether and 0.1%-0.4% of an adhesion promoter, wherein the titanium dioxide slurry contains 25%-35% of water, 0.1%-1.2% of a wetting and dispersing agent and 0.1%-0.4% of an antifoaming agent, with the balance being titanium dioxide. The water-based white finish for metal printing in the invention is prepared through cross-linking and curing of the waterborne epoxy modified acrylic resin and the alkyd resin and addition of certain auxiliary agents and the titanium dioxide slurry, and the prepared finish has good adhesion, strength and processing resistance and is reduced in production cost; meanwhile, the waterborne epoxy modified acrylic resin is low in the content of volatile organic compounds, low in toxicity, little in air pollution and favorable for environmental protection.
Owner:JIANGSU CHAMPION TECHNOLOGY GROUP CO LTD
Acrylic resin containing epoxy group and ethylene urea group as well as preparation method and application of acrylic resin
PendingCN114149532AEasy to operateRaw materials are easy to getAnti-corrosive paintsEpoxy resin coatingsEpoxyPolymer science
The invention relates to acrylic resin containing epoxy groups and ethylene urea groups as well as a preparation method and application of the acrylic resin. The preparation method comprises the steps of preparation of a monomer mixture, synthesis of epoxy acrylic resin and the like. The acrylic acid ethyl ethylene urea ester monomer and the acrylic acid glyceride monomer are introduced into the synthesized resin, so that the adhesive force and the corrosion resistance of the resin are improved. The novel resin synthesized by the invention remarkably improves the corrosion resistance of the epoxy anticorrosive paint, has self-repairing performance, and has a better development prospect in the field of marine corrosion resistance.
Owner:OCEAN UNIV OF CHINA
Composition and manufacturing method of special epoxy acrylic resin for ldi photoresist
ActiveCN112965338BStir wellEasy to drawPhotosensitive materials for photomechanical apparatusEpoxyPolymer science
Owner:深圳市德贝尔光电材料有限公司 +1
Bacteriostatic UV ink and packaging structure thereof
The invention relates to bacteriostatic UV ink, which is prepared from the following components: epoxy acrylic resin, pentaerythritol triacrylate, hydroxyethyl methylacrylate, a silane coupling agent, graphene oxide, sodium trichloroisocyanurate, ethyl acetate, a photoinitiator, a plasticizer, an environment-friendly pigment, a defoaming agent and water. The invention has the advantages that: sodium trichloroisocyanurate in the raw materials reacts with water to generate nascent oxygen and free chlorine, protein of thalli and viruses is denatured due to the extremely strong oxidizing property of the nascent oxygen, amino acid synthesis is affected, pathogenic microorganisms are killed, and free chlorine ions have the advantage of being wide in bacteriocidal spectrum, comprising bacterial propagules, viruses, fungi and spores, the effective bacteriostatic aging of the prepared UV ink is longer than 6 months, in addition, the invention further provides a packaging structure, the packaging structure comprises an outer packaging bag and an inner packaging bag, and the outer packaging bag and the inner packaging bag are each provided with a printing layer formed by printing of the bacteriostatic UV ink.
Owner:ZHEJIANG MOZHIHUA PRINTING
Thermosetting waterborne epoxy acrylic acid composite modified polyester resin and preparation method thereof
The invention discloses a thermosetting waterborne epoxy acrylic composite modified polyester resin and a preparation method thereof. The thermosetting waterborne epoxy acrylic composite modified polyester resin comprises phthalic anhydride, tetrahydrophthalic anhydride, adipic acid, trimethylolpropane, neopentyl glycol, xylene, epoxy resin, acrylic acid, butyl acrylate, hydroxyethyl acrylate, styrene, benzoyl peroxide, ethylene glycol monobutyl ether, dimethylethanolamine and deionized water. The modified polyester resin can improve the comprehensive performances of a paint film, is a thermosetting waterborne resin, and has the advantages of few organic solvents, good environmental friendliness, high hardness, good adhesion, good wear resistance, good solvent resistance, excellent tensilestrength and good weather resistance.
Owner:JIANGMEN SANMU CHEM
Epoxy acrylic acid modified waterborne alkyd resin and preparation method thereof
The invention discloses epoxy acrylic acid modified waterborne alkyd resin and a preparation method thereof. The epoxy acrylic acid modified waterborne alkyd resin is prepared from 20 to 28 parts of linseed oil, 4.2 to 5 parts of rosin, 8.5 to 10.3 parts of phthalic anhydride, 7.5 to 8.1 parts of polyol, 0.4 to 0.7 part of xylene, 22.5 to 25.3 parts of epoxy resin, 0.045 to 0.05 part of organic tin, 2.7 to 3 parts of acrylic acid, 22 to 28 parts of ethylene glycol butyl ether, 2.5 to 2.9 parts of styrene, 1.9 to 2 parts of n-butyl acrylate, 0.4 to 0.45 part of an initiator, and 3.1 to 3.5 parts of dimethylethanolamine. The preparation method comprises the following steps: (1) mixing the linseed oil, the rosin, the phthalic anhydride, the polyoland the dimethylbenzene in parts by weight, carrying out heating reaction, continuing heating reflux after the reaction, and stopping the reaction when the acid value of a reaction product is detected to be less than 70 mgKOH / g; (2) cooling, adding epoxy resin and organic tin for continuous reaction, cooling again, adding ethylene glycol butyl ether, and uniformly stirring to obtain a mixed material; and (3) cooling the mixed material, adding acrylic acid, styrene, n-butyl acrylate and the initiator for polymerization reaction, replenishing the initiator after the reaction, cooling, and adding dimethylethanolamine to obtain the epoxy acrylic acid modified waterborne alkyd resin.
Owner:JIANGSU HUALUN CHEM +1
Aqueous single-component nano modified self-crosslinked corrosion-resistant primer
ActiveCN110003757AIncrease steric hindranceAvoid contactAnti-corrosive paintsEmulsionCorrosion resistant
The invention belongs to the field of coatings and in particular relates to an aqueous single-component nano modified self-crosslinked corrosion-resistant primer which comprises the following components in parts by weight: 80-100 parts of a self-crosslinked epoxy-acrylic emulsion, 10-20 parts of zinc coordinated modified nano silicon dioxide microspheres, 0.1-1 part of a defoaming agent, 0.1-1 part of a leveling agent, 2-5 parts of filming aids and 1-3 parts of a neutralizer. In the primer system provided by the invention, the zinc coordinated modified nano silicon dioxide microspheres are prepared by grafting mono-(6-ethanediamine-6-deoxide)-beta-cyclodextrin on the surfaces of silicon dioxide microspheres, so that the steric hindrance among microspheres can be increased, microsphere contact is avoided, good dispersion stability can be achieved even when no dispersant is used, good dispersion is beneficial to formation of a dense protection layer, external water or vapor can be isolated, and an excellent protection effect can be achieved; as ethanediamine on mono-(6-ethanediamine-6-deoxide)-beta-cyclodextrin molecules form a zinc coordinated compounded, electrochemical corrosion resistance is achieved, and the corrosion resistance can be greatly improved.
Owner:广东绿色大地化工有限公司
Single-component solvent-free hot melt adhesive for lamp switch as well as preparation method and use method thereof
InactiveCN112920755AEmission reductionImprove pollutionPolyureas/polyurethane adhesivesMacromolecular adhesive additivesPolyesterPolymer science
The invention discloses a single-component solvent-free hot melt adhesive for a lamp switch as well as a preparation method and a use method thereof. The hot melt adhesive is prepared from following raw materials in parts by weight: 40 to 50 parts of a mixture of polyphenyl polymethylene polyisocyanate and hexamethylene diisocyanate, 70 to 90 parts of epoxy acrylic acid modified saturated polyester, 10 to 20 parts of polyoxypropylene triol, 2 to 5 parts of vinyl-terminated polydimethylsiloxane, 0.1 to 5 parts of a chain extender, 0.1 to 2 parts of a curing agent, 0.1 to 3 parts of polycarbodiimide, 0.1 to 2 parts of an adhesion promoter, 0.1-0.5 part of a catalyst, and 0.1-0.3 part of an antioxidant. According to the invention, no organic solvent or double-component A-type substances need to be added, the VOC emission can be greatly reduced, the environmental pollution caused by the hot melt adhesive is effectively reduced, the viscosity of the prepared hot melt adhesive at 80 DEG C is 7500 mpa.s, the NOC% measured according to the weight ratio is 6.2%, and the hot melt adhesive is not easy to flow at high temperature and has good stability.
Owner:WUXI LAIEN TECH
Modified epoxy acrylate resin conductive adhesive and preparation method and application thereof
PendingUS20220340794A1Low conductivityImprove conductivityNon-conductive material with dispersed conductive materialModified epoxy resin adhesivesEpoxyPolymer science
A modified epoxy acrylic resin conductive adhesive is disclosed, based on 100 parts by total mass, including the following components: 49-75 parts of conductive particles, 24-45 parts of modified epoxy propylene resin, 0.5-2.5 parts of silane coupling agent, and 0.5-3.0 parts of initiator. The conductive particles include at least 5% conductive particles with a three-dimensional dendritic microstructure among all the conductive particles. A preparation method and application of the modified epoxy acrylic resin conductive adhesive are disclosed. The modified epoxy acrylic resin conductive adhesive of the present disclosure has advantages in good electrical conductivity, short curing time, strong adhesion, and capability being used for a long-time room temperature operation.
Owner:SOLTRIUM ADVANCED MATERIALS TECH LTD SHENZHEN
Preparation method of adsorbent for removing dibutyl phthalate from water body
InactiveCN106902792AImprove adsorption capacityImprove processing efficiencyOther chemical processesWater contaminantsSilicic acidSorbent
The invention relates to a preparation method of an adsorbent for removing dibutyl phthalate from a water body. The preparation method comprises the specific steps: (1) mixing deionized water, concentrated hydrochloric acid, potassium chloride and a (ethylene oxide-propylene oxide-ethylene oxide) copolymer and performing uniform stirring; (2) adding mesitylene to the mixed liquid obtained in the step (1); (3) adding tetraethyl orthosilicate to the mixed liquid obtained in the step drop by drop while performing stirring; (4) allowing the mixture obtained in the step (3) to stand in a hydro-thermal condition; (5) filtering, washing and drying the mixture obtained in the step (4); (6) soaking the powder obtained in step (5) with sulfuric acid and allowing the obtained product to stand in an oven; and (7) roasting the product obtained in the step (6) in a nitrogen atmosphere. The adsorbent is put in an aqueous solution of dibutyl phthalate, and the pollutant is fast removed through physical absorption. The adsorbent is simple in manufacture technology, large in specific surface area and hole diameter and uniform in hole distribution, and can fast absorb organic pollutants in water with high efficiency.
Owner:TONGJI UNIV
Photosensitive resin and synthesis method thereof
InactiveCN112831002AImprove heat resistanceHigh hardnessAdditive manufacturing apparatusPolymer scienceAcrylic resin
The invention provides photosensitive resin and a synthesis method thereof. The photosensitive resin is prepared from the following raw materials in parts by weight: 50-70 parts of a prepolymer and 1-10 parts of a modifier, wherein the prepolymer comprises epoxy acrylate, and the modifier comprises at least one of vinyl triethoxy silane, 3-isocyanate propyl trimethoxy silane, 3-(methacryloyloxy) propyl trimethoxy silane and tri (2-ethoxyl) cyanuric acid triacrylate. By utilizing the structural characteristics of the epoxy acrylate, the photosensitive resin has good hardness, strength and chemical resistance, and is low in price. The modifier is grafted to an epoxy acrylic resin matrix, and the heat resistance of the resin matrix can be effectively improved due to good thermal stability of silane.
Owner:GREE ELECTRIC APPLIANCES INC
Reinforcing and anti-cracking liquid used in rapid plugging material and preparation method thereof
The invention belongs to the field of an inorganic waterproof leaking stoppage material and specifically provides a reinforcing anti-cracking solution for a quick leaking stoppage material and a preparation method thereof. The formula of the reinforcing anti-cracking solution contains the following components by weight percent: 18-25% of aqueous epoxy acrylic emulsion, 2-5% of aqueous amino resin, 0.09-0.4% of polyvinyl alcohol, 0.05-0.15% of cellulose ether, 0.2-0.45% of starch ether, 0.1-0.24% of lithium sulfate, 0.2-0.9% of calcium chloride, 0.04-0.08% of 2-amino-2-methyl-1-propyl alcohol, 1-2% of de-foaming agent and the balance of water. When the reinforcing anti-cracking solution is applied to the quick leaking stoppage material, the anti-cracking capacity of the quick leaking stoppage material can be greatly promoted, and meanwhile, the curing time is not delayed and the bonding strength and cohesion strength of the quick leaking stoppage material can be promoted.
Owner:XUZHOU WONIUSHAN NEW WATERPROOF MATERIALS
A modified fluorinated cycloaliphatic epoxy resin and its preparation method
ActiveCN112608409BSignificant technological progressTechnological progress shortVery large scale integrated circuitsPolymer science
The invention discloses a modified fluorinated cycloaliphatic epoxy resin, which is characterized in that the raw materials include fluorinated acrylate monomers, acrylate monomers, cycloaliphatic epoxy acrylate compounds, emulsifiers, and initiators and deionized water. The preparation method is to drop the mixture of fluorinated acrylate monomer, acrylate monomer and alicyclic epoxy acrylate compound into deionized water and emulsifier, raise the temperature to 70-80°C, and then add the initiator dropwise , react under stirring, then raise the temperature to 85-90°C, react under stirring, and obtain the modified fluorinated cycloaliphatic epoxy resin. The modified fluorinated alicyclic epoxy resin has UV rapid curing ability, and the cured product has a low dielectric constant, and can be widely used in ultra-large scale integrated circuit technology.
Owner:SHANGHAI INST OF TECH
Method for preparing polyurethane prepolymer and trihydroxy copolyether intermediate
The invention relates to a method for preparing a polyurethane prepolymer, which is prepared by reacting copolyether intermediate, serving as a base, formed by copolymerizing special oxene and propylene oxide with trihydroxy groups with isocyanate with double functional groups or multiple functional groups; novel superior polyurethane with high water-proof property and high moisture permeability can be obtained by adding a chain extender into the prepolymer for reaction and can be made into a water-proof and moisture-permeable thin film; and the thin film can be compounded with a fabric to make a clothing fabric with high water pressure resistance and high moisture permeability.
Owner:上腾新材料科技(苏州)有限公司
Anti-static carbon-series coating and production process thereof
InactiveCN113444429AHas anti-static effectImprove anti-static effectPolyether coatingsEpoxy resin coatingsPolymer scienceAcrylic resin
The invention discloses an anti-static carbon-series coating and a production process thereof. The anti-static carbon-series coating comprises maleic anhydride polyethylene glycol ester, castor oil alkyd resin, octyl phenol polyoxyethylene ether, melamine formaldehyde resin, epoxy acrylic resin, trihydroxyethyl methyl quaternary ammonium methyl sulfate, butanol, organic silicone oil, a solvent, a coupling agent, single-layer graphene, a brightener, and benzoin. The use effect of the carbon-series coating is improved, in addition, due to the arrangement of benzoin, the carbon-series coating has fragrance during use, the situation that an existing carbon-series coating is unpleasant in smell is prevented, and the use effect of the carbon-series coating is further improved.
Owner:赵选宗
High-strength flame-retardant cable material and preparation method thereof
The invention discloses a high-strength flame-retardant cable material and a preparation method thereof, and relates to the technical field of cable materials. The high-strength flame-retardant cable material prepared by the invention comprises a modified styrene copolymer and a flame-retardant microcapsule, the modified epoxy acrylamide on the modified styrene copolymer enhances the water resistance of the cable material, and meanwhile, a rigid chain segment is introduced to prevent the intervention of a corrosive medium, so that the corrosion resistance of the cable material is enhanced; magnesium hydroxide is coated by compounding s-triazine dithiol silane and gamma-mercaptopropyltrimethoxysilane to prepare the flame-retardant microcapsule, and the flame-retardant microcapsule not only can be crosslinked on a modified styrene copolymer to enhance the toughness of the cable material, but also can enhance the flame retardance of the cable material.
Owner:梅心语
A preparation method and application of asphalt modified material based on activated waste rubber powder
ActiveCN113185845BPromote formationStable molecular weight distributionBuilding insulationsEpoxyPolymer science
Owner:HUBEI UNIV OF TECH
Poplar wood modification liquid containing dialdehyde starch
PendingCN113492447AReduce brittlenessImprove toughnessWood impregnation detailsPolymer scienceAcrylic resin
The invention discloses a poplar wood modification liquid containing dialdehyde starch. The poplar wood modification liquid containing the dialdehyde starch is characterized by comprising the following components in parts by weight: 480 parts of formaldehyde, 180 parts of urea (1), 7.6 parts of urotropin, 3.8 parts of phenol, 2 parts of corn starch, 4 parts of melamine, 265 parts of water, 35 parts of dialdehyde starch, 25 parts of urea (2), 0.5 part of borax, 3 parts of ethylene dithiocarbonate, 8 parts of epoxy acrylic resin, 0.22 part of a KH-500 type silane coupling agent, and 0.55 part of p-tert-butylcatechol. The dialdehyde starch is added in the preparation process of the formula to replace part of formaldehyde, so that the environmental protection index is improved, the brittleness of the modified wood is reduced, and the toughness is improved. The ethylene dithiocarbonate and the epoxy acrylic resin are added in the preparation process of the formula, so that the water resistance and the mechanical strength of the modified liquid are improved.
Owner:唐晓宇
A kind of UV-curable low-viscosity epoxy acrylic resin and its preparation method and application
ActiveCN107163225BLow viscosityDouble bond content unchangedInksEpoxy resin coatingsEpoxyChromium Compounds
The invention relates to an ultraviolet light curable low viscosity epoxy acrylate resin and a preparation method and application thereof. The preparation method of the ultraviolet light curable low viscosity epoxy acrylate resin comprises the following steps: mixing epoxy resin, a polymerization inhibitor and a catalyst A, stirring, heating to 30-130 DEG C, holding the temperature, and fed-batch adding methyl acrylic acid and a catalyst B within 0.3-2.0 h; and further reacting for 4-12 h after fed-batch addition is finished, and discharging to obtain the ultraviolet light curable low viscosity epoxy acrylate resin, wherein the catalyst A is an organic ammonium compound, and the catalyst B is an iron compound and / or a chromium compound. The epoxy acrylate resin prepared by the preparation method of the invention reduces viscosity while retaining the original physical and chemical properties of epoxy acrylate resin, also has the advantages of good wetting property and low yellow-stain, and can be widely used in plastic jackets, paper varnish, form coating or printing ink.
Owner:南京玖泰新材料科技有限公司