125 results about "Phenylglycidyl ether" patented technology

The invention provides water-based anticorrosive paint. The water-based anticorrosive paint comprises, by weight, 82-95 parts of phenyl glycidyl ether modified polyaniline, 60-80 parts of epoxy resin, 30-60 parts of alkyd resin, 20-40 parts of modified polyurethane, 10-15 parts of modified nanometer titania, 5-12 parts of zinc phosphate, 6-18 parts of aluminum phosphate, 5-12 parts of imvite, 3-8 parts of mica powder, 2-9 parts of talcum powder, 4-14 parts of quartz powder, 8-18 parts of pigment, 2-8 parts of defoaming agents, 3-6 parts of dispersing agent, 1-5 parts of flatting agents, 4-9 parts of coalescing agents and 60-83 parts of water. The water-based anticorrosive paint is good in antiseptic property, excellent in waterproofness, long in service life and low in cost.

The invention relates to the technical field of curing agents, particularly an epoxy resin curing agent. The epoxy resin curing agent comprises the following components in percentage by weight: 40-50% of acid anhydride, 40-50% of boron trifluoride, 5-10% of toughener and 5-10% of diluter. The components above are adopted in combination with any one toughener of carboxyl liquid nitrile-butadiene rubber, carboxyl-terminated liquid nitrile-butadiene rubber, polysulfide rubber, liquid silicone rubber and the like, or any one diluter of polypropylene glycol diglycidyl ether, phenyl glycidyl ether and ethylene glycol diglycidyl ether to further improve the toughness of the epoxy resin curing agent and enhance the bearing strength and temperature tolerance. Therefore, the prepared epoxy resin curing agent has the advantages of high reaction speed, low toxicity, high pressure resistance, corrosion resistance, small shrinkage deformation and the like, and can be widely used in the industries of electrical potting and packaging, electrical casting, electric apparatus impregnation, insulating composite material winding, pulling and extrusion, and the like.

The invention relates to a transparent, high-hardness and yellowing-resistant epoxy ornament glue and a preparation process thereof and provides a novel formula comprising an epoxy resin component labeled as a glue A and a curing agent component labeled as a glue B, wherein the glue A is prepared from epoxy resin 127, phemethylol, polymethyl methacrylate and nanometer titanium dioxide, the glue B is prepared by synthesizing diethylenetriamine, n-butyl glycidyl ether, phenyl glycidyl ether, 1,3-cyclohexanedimethanol methylamine and phemethylol as raw materials at a certain temperature to obtain the curing agent used in the epoxy ornament glue. The preparation process comprises the following steps of uniformly mixing the glue A and the glue B at a certain ratio; carrying out vacuum defoaming; and carrying out heating cure by using silica gel as a mold, namely, firstly curing at low temperature, and after a certain curing degree is reached, carrying out heating curing. The obtained cured product has colorless and transparent appearance, flat and smooth surface, Shore hardness which can reach 84 or more, excellent yellowing resistance and long operating time. The method has the advantages of easily available raw materials, simple process and low cost, and is easy to industrialize, and the epoxy ornament glue can replace the commercially available general formula of the epoxy ornament glue.

The invention discloses high-hardness ultraviolet-cured wood paint. Raw materials of the high-hardness ultraviolet-cured wood paint comprise, in parts by weight, 20-35 parts of epoxy acrylate, 15-28 parts of urethane acrylate, 15-26 parts of phenyl glycidyl ether acrylate, 3-9 parts of reactive diluent, 0.5-1.2 parts of photoinitiator, 3-15 parts of epoxy resin, 3-8.5 parts of alicyclic amine, 3-10 parts of epoxy curing agent, 3-8 parts of modified graphene oxide, 1-2 parts of nano-silica, 0.5-1.6 parts of montmorillonoid, 0.3-2 parts of pyrene-1-butyric acid, 1-3 parts of silane coupling agent KH-580, 2-5 parts of 3,9-diethyl-3,9-dihydroxytoluene-1,5,7,11-tetraoxaspiro-5,5-undecane and 0.1-1 part of assistant. The high-hardness ultraviolet-cured wood paint has high adhesion to a wood basematerial, good hardness and water resistance and excellent heat-resistant performance.

An epoxide based composition that can be cured at a temperature of less than about 70 C is disclosed. The composition is a liquid at ambient conditions and, therefore, can be used to rehabilitate the interior surfaces of pipelines. The epoxide-based composition comprises at least one epoxide component (component A) and at least one curing agent component (component B) wherein

• • (A) the epoxide component comprises a phenyl glycidyl ether polyepoxide; and
  • (B) the curing agent component comprises a mixture of two salt compounds formed, respectively, from an N-alkanol piperidine and a carboxylic acid bearing 7-12 carbon atoms, and N-cyclohexyl-N,N-dialkyl amine and a carboxylic acid bearing 7-12 carbon atoms.

The invention relates to a synthesis method of phenyl glycidyl ether, and is characterized in that phenyl glycidyl ether is generated with phenol and chloropropylene oxide as raw materials and under the action of a catalyst, wherein the reaction is carried out in a micro-reactor. The method can greatly shorten the reaction time, avoids a lot of side reactions, and can synthesize phenyl glycidyl ether with high efficiency and high yield of more than 98%.

The invention discloses a yellowing resistant and waterborne epoxy hardener and a preparation technology thereof, relates to the technical field of a hardener, and solves the problem of poorer integral application effect as a curing film generated by the waterborne epoxy hardener after use easily yellows. The yellowing resistant and waterborne epoxy hardener includes the following components in parts by weight: 40-50 parts of triethylene tetramine, 30-40 parts of polyorganic acid, 5-10 parts of polyether amine, 5-10 parts of BPA epoxy resin, 6-10 parts of polyamide, 5-9 parts of a modifying agent, 4-8 parts of an accelerator, 6-10 parts of a diluent, 4-7 parts of phenyl glycidyl ether and 6-8 parts of glycol diglycidyl ether. The yellowing resistant and waterborne epoxy hardener provided by the invention has integral good application effect as the curing film generated after use of the hardener is not easy to yellow.

The present invention discloses a hydrolysis resistance polybutylene terephthalate, which comprises, by mass, 70-90% of PBT, 5-15% of glass fibers, 3-8% of MBS, 0.5-2% of a hydrolysis resistance agent, 0.1-1% of pyromellitic dianhydride, 0.5-1% of modified ethylene bis fatty acid amide, and 0.1-0.5% of an antioxidant, wherein the hydrolysis resistance agent is one selected from phenyl glycidyl ether, bisphenol A diglycidyl ether, carbodiimide, and 2-oxazoline. The hydrolysis resistance polybutylene terephthalate of the present invention has the beneficial effects that: with the glass fiber reinforcing and the proper addition of the MBS, the hydrolysis resistance agent, the pyromellitic dianhydride and other auxiliary agents, the mechanical strength, the impact toughness and the hydrolysis resistance of the polybutylene terephthalate are substantially improved, the material performance is well improved, and the application range is expanded.

The invention provides a preparation method of a multifunctional mesoporous silicone solid-phase extraction agent. The preparation method of the multifunctional mesoporous silicone solid-phase extraction agent is characterized in that firstly, SBA-15 mesoporous silicone serves as a base material, 3-(2-aminoethylamino)propyl-trimethoxysilane or 3-[2-(2-aminoethylamino)ethylamino]propyl-trimethoxysilane which contains more than 2 amino groups serves a silylation reagent, multi-amino mesoporous silicone is obtained, then, ring-opening reaction of amino groups and epoxy groups is adopted, the multi-amino mesoporous silicone further reacts with excess phenyl glycidyl ether, and the mesoporous silicone extraction agent has high-density surface multifunctional groups is obtained. The mesoporous silicone extraction agent has high specific surface area of a mesoporous material, the high-density surface multifunctional groups and supramaximal extraction capacity and also has a reversed-phase adsorption effect of multiple phenyl groups and a powerful anion exchange function of quaternary ammonium groups, and therefore the mesoporous silicone extraction agent is a high-selectivity mixed-mode solid-phase extraction agent. The mesoporous silicone extraction agent is quite suitable for analyzing acid non-steroidal anti-inflammatory drugs in large-volume environmental water samples.

The invention discloses a high-flame-retardance epoxy resin adhesive, which comprises the following raw materials: fluorene structure-containing epoxy resin, polytetrahydrofuran, dio-diphthalene, PMDETA, curing accelerator, 1,4-butanediol, nano-silica, nano calcium carbonate, magnesium oxide, expansible graphite, Phosphorous nitrogen flame retardant, boric acid, diammonium hydrogen phosphate, amino silicon oil, PEEK, carbon fiber, chlorite, aluminum silicate, carboxymethylcellulose, a solvent and coupling reagent. The high-flame-retardance epoxy resin adhesive is excellent in flame retardance performance, good in heat insulating property and high in adhesion strength.

The invention discloses a low-temperature water-based corrosion-resistant metal coating which comprises the following components in parts by weight: 10-15 parts of polyo-toluene glycidyl ether, 15-20 parts of bisphenol F epoxy resin, 10-20 parts of polyphenyl glycidyl ether, 20-30 parts of silica sol, 3-10 parts of a coloring pigment, 1-5 parts of a curing agent, 30-60 parts of water, 6-10 parts of dibutyl ester, 8-10 parts of salicylic acid, 1-6 parts of propiconazole, 0.6-1.6 parts of chromium oxide green, 15-20 parts of benzoic acid and 30-60 parts of a styrene-acrylic emulsion. The coating disclosed by the invention is good in film-forming property and high in film strength, and selects a natural and pollution-free corrosion-resistant agent from a water-based epoxy resin coating; the natural corrosion-resistant agent is bonded with a special emulsion for the water-based corrosion-resistant coating, so that the corrosion resistance is good and superior to that of a traditional water-based coating.

The invention relates to a halohydrin dehalogenase mutant for improving enantioselectivity and application thereof, and belongs to the technical field of enzyme engineering and biocatalysis. The halohydrin dehalogenase mutant is obtained by carrying out single-point mutation or combined mutation on 89th arginine, 137th valine, 178th proline, 179th asparagine and 187th phenylalanine in a sequence as shown in SEQ ID NO.1. Compared with wild type halohydrin dehalogenase, the mutant obtained by the invention obviously improves enantioselectivity (E value) during the preparation of (S)-o-nitrophenyl glycidyl ether, (R)-benzyl glycidyl ether and (R)-phenyl glycidyl ether, the maximum improvement is 44.6, 2.9 and 9.4 times of the original enzyme respectively, and has good industrial application prospect.

The present invention discloses an oil tank inner wall oil-resistant epoxy paint and a preparation method thereof, and the paint is prepared from the following raw materials by weight: E-20 epoxy resin, maleic anhydride, butyl alcohol, diatomite, nano bentonite, phenyl glycidyl ether, pigments and additives including a dispersing agent, an anti rust agent, a flame retardant agent, an initiator, a defoaming agent, an antioxidant and a solvent. The oil tank inner wall oil-resistant epoxy paint not only improves the compactness of a paint film, enhances the anti oil permeability performance of the paint film, also has the advantages of very strong acid and alkali resistance, corrosion resistance, rust resistance, flame resistance, strong adhesion, high hardness, scratch resistance, quick drying, simple preparation process, low cost and the like, is especially suitable for anticorrosion coating of oil tank inner wall of mechanical and electrical equipment and power plant equipment, and is very obvious in effect.

The invention discloses a water-borne epoxy resin curing agent. The water-borne epoxy resin curing agent is prepared from, by mass, 43-48 parts of polyethylene polyamine, 40-45 parts of bisphenol A epoxy resin, 2.5 parts of glycol ether, 1 part of butyl glycidyl ether, 1 part of phenyl glycidyl ether, 1 part of benzyl glycidyl ether, 1 part of alkyl glycidyl ether and 0.5 part of acetic acid. The water-borne epoxy resin curing agent is prepared through the steps of a, addition, b, end sealing, c, salifying, and d, dissolution. In this way, the water-borne epoxy resin curing agent has good water solubility and curing performance, and the VOC content meets the environment protection requirement.

The present invention discloses a motor slot wedge high-performance epoxy resin insulating material preparation method, which comprises: uniformly mixing naphthenic acid, zinc oxide, phenyl glycidyl ether and pyromellitic dianhydride, carrying out a reaction at a temperature of 120-135 DEG C, adding 2,4,6-tris(dimethylaminomethyl)phenol to obtain a component A, mixing nanometer silicon nitride, nanometer titanium dioxide, polypropylene staple fibers, nanometer mica, nanometer aluminum hydroxide, nanometer zinc oxide, a coupling agent, a bisphenol A epoxy resin, a o-methyl phenolic epoxy resin, chlorinated polyethylene, a bisphenol A type polycarbonate, polytetrafluoroethylene, epoxy-terminated polydimethylsiloxane, phenyl glycidyl ether, ethylene glycol diglycidyl ether, polysulfide rubber, tricyclodecane dimethanol diacrylate and diphenylsilanediol to obtain a material A, uniformly mixing methyl tetrahydrophthalic anhydride, N-phenyl-2-naphthylamine, 1,4-phenylene diamine and the component A to obtain a material B, and curing the material A and the material B.

The invention relates to a synthesis method of a 1-arylacetylene seleno-3-phenoxy-2-propanol compound. The method comprises the following steps of: under air conditions, reacting acetylenic acid, selenium powder and phenyl glycidyl ether as the reaction raw materials with water used as a reaction solvent under the joint promotion actions of a copper catalyst, a ligand, a phase transfer catalyst and alkali, and carrying out a cascade reaction to obtain the 1-arylacetylene seleno-3-phenoxy-2-propanol compound. The method has the advantages of mild and simple reaction conditions, cheap and easilyavailable substrate, and high yield and purity of the product, opens up a new synthetic route and method for the 1-arylacetylene seleno-3-phenoxy-2-propanol compound, and has good application potential and research value.

The invention discloses a method for preparing an insulating material for wires and cables. The method comprises the following steps: performing ball milling and granulating on high abrasion furnace carbon black, zinc borate and silicon carbide, and smelting with an epoxy resin together; adding tetrahydrofuran for stirring in vacuum, adding polyamide wax micro powder and a vacuum reactant obtained by performing dehydration, heating and vacuum reaction on ethylene propylene rubber, polyetherimide and phenyl glycidyl ether, performing a series of specific processes such as plastifying, feeding, ultrasonic treatment, reduction vaporization, screw extrusion, high pressure reaction, secondary plastifying, compression molding, dicing and the like, thereby obtaining the finished product. The prepared insulating material is abrasion-resistant, ageing-resistant and excellent in insulating effect and has excellent application prospects. Meanwhile, the invention further discloses application of the insulating material prepared by the preparation process in the power industry.

The invention provides a preparation method of a water-based orange peel epoxy curing agent. The water-based orange peel epoxy curing agent is prepared from the following raw materials in parts by mass: 10-20 parts of vinylamine, 2-6 parts of neopentyl glycol diglycidyl ether, 25-40 alicyclic amine, 15-25 parts of epoxy resin, 15-25 parts of propylene glycol monomethyl ether, 8-10 parts of phenylglycidyl ether, 2-6 parts of fumed silica and 20-50 parts of deionized water. The invention further provides an epoxy resin flat coating agent which is matched with the epoxy curing agent for use according to the mass ratio of 1: 5 and is prepared from the following raw materials in parts by mass: 300-400 parts of epoxy resin, 25-32 parts of an active diluent, 1-5 parts of a dispersing agent, 1-3parts of an antifoaming agent, 305-320 parts of ground calcium carbonate, 160-200 parts of silica powder, 15-20 parts of wax powder, 80-120 parts of talcum powder, 1-5 parts of leveling agent and 2-8parts of color paste. The water-based orange peel epoxy curing agent prepared by the invention is clear and transparent in appearance, uniform in coating orange peel texture, high in hardness, good inadhesive force, high in acid resistance, alcohol resistance and water resistance, strong in flexibility, high in impact resistance and excellent in comprehensive performance.

The present invention disclosed novel epoxy novolac composite comprising environmentally friendly toughening agents based on bio-derived chemicals namely, Difunctional glycidyl ether epoxy resin (Cardolite NC-514) and Polyglycidyl ether of an alkenyl phenol formaldehyde novolac resin (Cardolite NC-547) used for the toughening of epoxy novolac resin namely Poly[(phenyl glycidyl ether)-co-formaldehyde] [PPGEF].