52 results about "Resorcinol diglycidyl ether" patented technology

The invention relates to a high-thermal conductivity high-performance aluminum-based copper-clad plate and a preparation method thereof. The copper-clad plate is composed of copper foil, a high-thermal conductivity electric insulating paste and an aluminum plate. The preparation method comprises the following steps: mixing multifunctional fluorine-containing epoxy resin with 1,4-di(2,4-diamino phenoxy) benzene for reacting, adding resorcinol diglycidyl ether epoxy resin and partial inorganic filler, and uniformly stirring and mixing to obtain a component A; uniformly mixing and stirring methyl tetrahydrophthalic anhydride and inorganic filler to obtain a component B; and uniformly mixing and stirring the component A and the component B to obtain the high-thermal conductivity electric insulating paste, then uniformly applying the high-thermal conductivity electric insulating paste onto the surface of the copper foil and the aluminum plate, and pressing and curing by a high-temperature panel pressing machine, thereby obtaining the high-thermal conductivity high-performance aluminum-based copper-clad plate. The operation process is simple; with the green and clean production process, a solvent is avoided, and the copper-clad plate has an environment-friendly effect; the copper-clad plate is wide in application range and has good market prospects, and the large-scale mass production can be easily carried out.

The invention discloses a high-strength flame-retardant modified polyurethane composite material including: hydroxyl-terminated polybutadiene, polytetrahydrofuran ether glycol, polypropylene glycol, toluene diisocynate, 4,4'-diphenylmethane diisocynate, bisphenol A, dibromoneopentyl glycol, dimethythiotoluene diamine, diaminodiphenylmethane, 2-ethyl-4-methylimidazole, dibutyltin dilaurate, diglycidyl resorcinol ether, a filling material, melamine, ammonium polyphosphate, and N,N'-bis(2-thio-5,5-dimethyl-1,3,2-dioxaphosphocyclohexyl)ethylenediamine. The high-strength flame-retardant modified polyurethane composite material has high strength, is excellent flame-retardant performance and can satisfy use demands in various fields.

A laminate film having a polyetheramine resin-containing layer on a first polyolefin resin-containing layer or a first polyethylene terephthalate resin-containing layer, wherein the polyetheramine resin contains of at least 30% resorcinol diglycidyl ether comonomer content is disclosed. The laminate film could further have additional layers such as a second polyolefin resin-containing layer, a second polyethylene terephthalate resin-containing layer, a metal layer or combinations thereof.

A wet friction material is disclosed bonded to a plate for transmission of motion, with the friction material made up of a porous fiber substrate, which is at least partially impregnated with a catalyzed resorcinol diglycidyl ether resin to improve friction properties.

A laminate film including a polyetheramine resin-containing layer that has at least 30% resorcinol diglycidyl ether comonomer content, and a first polyolefin resin-containing layer which includes an amount of a tie-layer resin additive is disclosed. The laminate film could further have additional layers such as a second polyolefin resin-containing layer, a metal layer, or combinations thereof.

The invention discloses a high-toughness anti-stripping epoxy resin adhesive. The high-toughness anti-stripping epoxy resin adhesive is prepared from, by weight, 20-50 parts of phenolic modified epoxy resin, 5-15 parts of resorcinol diglycidyl ether type epoxy resin, 20-35 parts of E-12 epoxy resin, 15-30 parts of modified wheat gluten, 1-8 parts of polyimide modified epoxy resin, 1-2 parts of carboxyl-terminated butadiene acrylonitrile rubber, 1-2 parts of polybutadiene-polymethyl methacrylate, 1-10 parts of methylene bicyclohexyl amine, 2-6 parts of epoxidized SBS (styrene butadiene styrene), 1-4 parts of vinyl triamine, 1-2 parts of triethanolamine, 5-15 parts of calcined clay, 1-5 parts of sodium carboxymethylcellulose and 20-50 parts of diglycidyl ether. The high-toughness anti-stripping epoxy resin adhesive is excellent in toughness, favorable in anti-stripping effect, high in thermal stability and long in storage time even at a high temperature and is safe, environment friendly and free of environment pollution.

The invention relates to an affinity chromatography medium with glutathione as a ligand. Agarose gel microspheres with boron nitride dispersed on surfaces are taken as a core, the surfaces of the agarose gel microspheres are activated by a first crosslinking agent and a second crosslinking agent, both the first crosslinking agent and the second crosslinking agent are coupled with glutathione as the ligand, the first crosslinking agent adopts epichlorohydrin, and the second crosslinking agent adopts resorcinol diglycidyl ether or neopentyl glycol diglycidyl ether; meanwhile, acetonitrile whichis cheaper and more environmentally friendly is selected as a solvent for coupling with glutathione, so that the dissolution degree of the crosslinking agents is increased, and the agarose gel microspheres are activated sufficiently. The affinity chromatography medium has the advantages that the density of active epoxy groups is high, the amount of coupled glutathione is large, the separation efficiency is higher, a preparation process of the affinity chromatography medium with glutathione as the ligand is simple, the production cost is lower, and large-scale popularization and application arefacilitated.

The invention relates to a solvent-free epoxy-tetramaleimide resin adhesive and a preparation method thereof. The adhesive is composed of a component A and a component B with a mass ratio of 1-4:1. The component A is composed of N,N,N',N'-tetraglycidyl-2,2-bis[4-(4-aminophenoxy)phenyl]propane epoxy resin, resorcin diglycidyl epoxy resin, an active diluting agent, aromatic diamine, and tetramaleimide resin with a mass ratio of 100:10-80:10-50:5-10:10-30. The component B is composed of resorcin diglycidyl epoxy resin, xylylenediamine, and tetramaleimide resin with a mass ratio of 20:50-100:5-10. The method provided by the invention has the advantages of simple synthesis process and environment friendliness. The adhesive has excellent comprehensive performance, and can be used in bonding of substrates such as glass, ceramic, metal, epoxy resin-based composite material, and the like. The adhesive has high bonding strength and wide market prospect.

An assembly comprising a first article, a second article adjacent the first article, and an electrically conductive adhesive in electrical communication with the first article and the second article. The electrically conductive adhesive comprises nickel nanostrands dispersed in a matrix comprising a reaction product of bisphenol-F epoxy resin, resorcinol diglycidyl ether epoxy monomer, and at least one amine-containing curing agent. The electrically conductive adhesive exhibits a tensile adhesion strength greater than about 5,000 psi and a volume resistivity less than about 0.01 Ω·cm. Electrically conductive adhesives including nickel nanostrands, precursor packages of the electrically conductive adhesive, related methods of forming the electrically conductive adhesive and an assembly including the electrically conductive adhesive are also disclosed.

The invention relates to wear-resistant ultraviolet (UV) photo-curing coating. The wear-resistant UV photo-curing coating is prepared from the following raw materials in parts by weight: 2 to 3 parts of dicyclopentadiene, 3 to 4 parts of glycidyl methacrylate, 45 to 50 parts of carbamate acrylate, 10 to 12 parts of trimethylolpropane triacrylate, 2 to 5 parts of tetrabutylammonium bromide, 1 to 2 parts of yttrium oxide, 2 to 3 parts of trichloroethyl phosphate, 1 to 2 parts of resorcinol diglycidyl ether, 3 to 4 parts of isopropylthioxanthone, 8 to 10 parts of benzil dimethyl ketal and 4 to 5 parts of dispersing aid. The carbamate acrylate serves as a main material, and plastifying and reinforcing substances such as the yttrium oxide, benzil dimethyl ketal and the dicyclopentadiene are added, so that the obtained coating has high caking property, wear resistance, acid and alkali resistance and corrosion resistance. The UV coating is applicable to friction occasions, can serve as primer of hardware, zinc alloy, aluminum alloy, stainless steel and vacuum electroplating coating, and has durable performance and high curing speed.

The invention relates to the field of self-repairing photo-curing materials, and discloses self-repairing polyurethane based on a two-way repairing structure, a preparation method and application thereof. The polyurethane contains structural units provided by R1, R2, R3, R4, R5, R6 and R7; wherein R1 is polyethylene glycol, R2 is isophorone diisocyanate, R3 is terephthalaldehyde, R4 is oxalyl dihydrazide, R5 is resorcinol diglycidyl ether, R6 is furfuryl amine, and R7 is N, N'-(4, 4'-methylene diphenyl)bismaleimide. The polyurethane provided by the invention has excellent self-repairing capability and high self-repairing efficiency, the service life of the material can be prolonged, and the hidden danger of microcracks caused by mechanical damage is reduced.

The modified fiber according to the present invention pertains to a modified fiber having high abrasion resistance in wet conditions and having high washing resistance. A modified fiber in which an epoxy compound has been bonded to a refined cellulose fiber, a natural cellulose fiber, a cuprammonium rayon, rayon, or silk fiber, the modified fiber being characterized in that the epoxy compound is resorcinol diglycidyl ether and/or hydroquinone diglycidyl ether.

The invention relates to electronic and electrical materials and particularly relates to high-thermal conductivity electrical insulation cement and a preparation method thereof. The high-thermal conductivity electrical insulation cement is characterized by comprising fluorine-containing epoxy resin, resorcinol diglycidyl ether epoxy resin, carboxylic group-containing polyimide resin, 1,4-bis(2,4-diaminophenoxy)benzene, methyl tetrahydrophthalic anhydride and inorganic filler at a mass ratio of 100:(100-300):(50-150):(15-30):(100-200):(200-600), wherein the functional fluorine-containing epoxy resin is fluorine-containing bisphenol A epoxy resin, and the structural formula is shown in the specification. The electrical insulation cement has good thermal conduction and high heat resistance, is simple in preparation method and low in cost, has an excellent electrical insulation property, facilitates large-scale batch production, is widely applicable and has a good market prospect.

The invention discloses active carbon prepared from wastes. The active carbon is prepared from the following raw materials in parts by weight: 10 to 15 parts of waste ceramic sheets, 10 to 15 parts of waste tire rubber, 6 to 10 parts of coal slag, 10 to 16 parts of 1,4-cyclohexanedimethanol, 3 to 6 parts of 2-naphthol-6,8-dipotassium disulfonate, 7 to 10 parts of ethopabate, 6 to 12 parts of isoamyl salicylate, 3 to 7 parts of dimethicone, 10 to 15 parts of mercaptosuccinic acid and 8 to 12 parts of resorcinol diglycidyl ether. The waste ceramic sheets, the waste tire rubber and the coal slag are used as raw materials to be prepared into active carbon with high mechanical strength, good adsorption performance and long service life by virtue of steps such as immersing, carbonization and the like, so that the cost is saved, and the resource utilization rate is increased.

The invention relates-the field of refractory materials, and discloses a high-strength fireproof crucible and a production method thereof. The crucible is produced from a mud material and additives; the mud material comprises 55-65 parts of magnesium ores, 5-15 parts of zirconia, 5-15 parts of fused magnesia, 5-15 parts of waste graphite micro-powder, 1-5 parts of metallic magnesium micro-powder,1-5 parts of chromium oxide micro-powder, 0.3-0.5 part of resorcinol diglycidyl ether, 0.1-0.3 part of sodium dodecyl benzene sulfonate, 20-30 parts of ethanol and 10-20 parts of water; and the additives include 0.05-0.1 part of a cationic photocuring initiator, 0.05-0.2 part of tetradecyltrimethylammonium bromide, 3-7 parts of ethanol and 3-7 parts of water. The reduction of the use amount of theadditives effectively increases the strength of the crucible. A crucible blank is pre-cured through a photocuring technology before being sintered in order to effectively prevent the cracking of thecrucible.

The invention discloses a long-lasting wear-resisting aging-resisting UV (Ultraviolet) curing coating which is characterized by being prepared from the following raw materials in parts by weight: 50-55 parts of urethane acrylate, 9-12 parts of cyclopentane, 7-9 parts of methoxy-polyethylene glycol monoacrylic ester, 3-4 parts of epoxidized soybean oil, 4-5 parts of photoinitiator 2959, 7-9 parts of resorcinol diglycidyl ether, 5-8 parts of ethylene glycol diethyl ether, 5-7 parts of ethyl acetate, 1-2 parts of titanate coupling agent TMC-TTS, 1-2 parts of grape essential oil, 5-7 parts of montmorillonoid, 2-3 parts of chromic oxide, 2-3 parts of antimonous oxide and 4-5 parts of additive. Due to addition of the natural anti-oxidation component grape essential oil, the aging-resistance of the coating is improved, and the coating is safe and non-toxic; due to addition of the antimonous oxide, a good flame retarding effect is achieved; due to addition of the additive, a good leveling property is achieved, a uniform coated layer can be formed, and the coating is fast in curing speed, high in hardness, wear-resisting, good in toughness, high in adhesion property, long-lasting in property and high in universality.