36 results about "Bisphenol A dimethacrylate" patented technology

The invention discloses a preparation method and application of a PTFE and polyester-based composite film for preventing wind turbine blades from icing. The method includes the steps that a bonding composite agent is adopted for lamination complexing, an interface adhesive is applied, and a pressure-sensitive adhesive is adopted for photo-initiated pressure-sensitive adhesive application. The bonding complexing agent is prepared from 3-isocyanatomethyl-3,5,5-trimethylcyclohexyl isocyanate, vinyl acetate, ethyl carbamate, alpha-linolenic acid, benzoyl peroxide and (4)ethoxylated bisphenol A dimethacrylate; the photo-initiated pressure-sensitive adhesive is prepared from a poly[butyl acrylate-glycidyl methacrylate-n-butoxy methacrylamide]copolymer, butyl acrylate, (4)ethoxylated bisphenol A dimethacrylate, 4,4'-bis(diethylamino)benzophenone and dimethylformamide. The method and the composite film solve the non-adhesion technical problem that a PTFE film can not be pasted on the surfaces of wind turbine blades with an adhesive directly, the bonding peel strength is improved, and the composite film is suitable for wind turbine blades of various models.

The invention relates to a high-temperature resistant anaerobic locking glue and a preparation method of the high-temperature resistant anaerobic locking glue. The anaerobic locking glue comprises 45 parts of (2) ethoxylated bisphenol A dimethacrylate, 20 parts of hydroxypropyl methacrylate, 15 parts of boric acid, 12.39 parts of bisphenol A fumaric acid polyester, 3 parts of fumed silica, 0.8 part of benzoic hydrazine, 0.6 part of o-benzene sulfonyl imine, 1.0 part of ethylenediamine tetraacetic acid disodium salt, 2.0 parts of cumene hydroperoxide, 0.2 part of fast red, and 0.01 part of para-benzoquinone. The anaerobic locking glue can be used for a short time at the temperature blow 230 DEG C and a long time at the temperature above 200 DEG C. The thermal aging resistance of the anaerobic locking glue at 230 DEG C is improved significantly. The anaerobic locking glue has a wide range of application and overcomes the defects that the existing ordinary anaerobic glue can not adapt to the high-temperature working condition.

The invention provides a visible-light-cured adhesive including the following components: by weight, 20-50% of methacrylate monomer, 10-30% of a methacrylate diluent, less than 5% of a visible light initiator, 30-68% of silica, glass powder or alumina powder and 0.1-5% of nano fumed silica, the methacrylate monomer is at least one substance from bisphenol A-glycidyl dimethacrylate, ethoxylated bisphenol A dimethacrylate, pentaerythritol tetraacrylate, dipentaerythritol pentaacrylate and dipentaerythritol hexaacrylate, and the invention also provides a preparation method of the visible-light-cured adhesive. The visible-light-cured adhesive is low in mobility, short in curing time, highin bonding strength, and suitable for industrial application.

The present invention provides a three-dimensional printing article for making dental products and the preparation method thereof, which comprises: Ethoxylated bisphenol A dimethacrylate, Diurethane dimethacrylate, Triethylene glycol dimethacrylate, and Diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide. It not only improves the present time-consuming and labor-intensive dental device making, but also can be used in mass production of dental devices.

The invention discloses a high-flexibility and high-resolution photosensitive epoxy acrylic resin composition. The composition mainly comprises 100 parts by weight of alkali-soluble photosensitive epoxy acrylic resin with an acid value of 60-150 mg KOH/g, 1-40 parts by weight of epoxy resin, 1-40 parts by weight of an acrylate monomer and 0.1-10 parts by weight of a photoinitiator and 0.5-2 partsby weight of a coloring agent, wherein the acrylate monomer comprises 1-10 parts by weight of a long-chain ethyoxyl bisphenol A dimethacrylate bifunctional monomer. The composition has excellent bending resistance, high resolution, acid and alkali resistance and tin soldering heat resistance.

The invention relates to the field of photocuring, in particular to an antibacterial photocuring lens, the raw materials of which are calculated in parts by weight: 10-20 parts of methacrylate stearate, 70-90 parts of bisphenol A dimethacrylate, rosin 10-20 parts of base hyperbranched polyester acrylate resin, 1-3 parts of nano-bamboo charcoal fiber, 3-10 parts of nano-titanium dioxide, 3-8 parts of photoinitiator, 3-10 parts of auxiliary agent, low cost, environmental protection, and The manufactured lens has good light transmission performance, good antibacterial and antibacterial effect, and has certain self-cleaning property.

The invention relates to a heat-conductive double-sided adhesive based on EB curing. The heat-conductive double-sided adhesive is prepared from the following main components in percentages by mass: 20% to 60% of ethoxylated bisphenol A dimethacrylate, 10% to 40% of a diluted monomer containing an acrylate functional group, 10% to 60% of a heat-conductive and heat-dissipating filling material and 2% to 10% of an auxiliary agent. According to the invention, a VOC-free heat-conductive double-sided adhesive component is designed and can be cured by an EB curing process; by application of the EB curing process, low cost, environmental friendliness, rapid speed and high productivity are achieved; meanwhile, the heat-conductive double-sided adhesive prepared by using the method provided by the invention has excellent adhesiveness and heat conductivity.

The invention provides an OCA (optically clear adhesive) acoustic film which is prepared from the following raw materials: a modified OCA adhesive emulsion, polylactic acid, an antioxidant and a coupling agent A, wherein the modified OCA adhesive emulsion is prepared from the following raw materials: acrylic acid, an acrylate adhesive, polyurethane acrylate oligomer, bisphenol A dimethacrylate, adefoaming agent, a cross-linking curing agent, nano aluminum trioxide, polyformaldehyde and a compound coupling agent B. The acoustic film prepared by a method provided by the invention has a smooth and stable surface, the ratio of of diameters to thicknesses is large, very good acoustic characteristics are achieved very good responsiveness within an acoustic frequency range of 0.025-25000Hz is achieved, the sensitivity is up to 55-110mv/pa, and the static pressure sensitivity is up to 7[mu] m/pa.

The invention discloses a special adhesive for an optical film, and belongs to the technical field of optical adhesive film materials. The special adhesive for the optical film is prepared from the following components in parts by weight: 30 to 60 parts of o-phenyl phenoxyethyl acrylate, 20 to 40 parts of ethoxylated bisphenol A dimethacrylate, 1 to 5 parts of an initiator, 1 to 10 parts of an organic silicon additive, 5 to 10 parts of tetrahydrofurfuryl alcohol acrylate, 5 to 10 parts of trihydroxymethyl cyclohexyl acrylate, 0 to 10 parts of bisphenol fluorene acrylate, and 0 to 10 parts of a modifier. The special adhesive for the optical film has the advantages of very high light transmittance, strong adhesive force, high peel strength, excellent mechanical property and excellent anti-falling performance.

The invention provides a water-based emulsion, a preparation method of the water-based emulsion and a temperature-change-resistant construction real stone paint prepared from the water-based emulsion, and the water-based emulsion is prepared from the following raw materials in parts by weight: 400-700 parts of deionized water; 12 to 24 parts of an emulsifier; 150 to 300 parts of a hard monomer; 120 to 280 parts of a soft monomer; 10-20 parts of a carboxyl group-containing monomer; 10 to 20 parts of an inner cross-linking agent; 110 to 20 parts of a self-crosslinking monomer; 25 to 10 parts of a self-crosslinking monomer; 2-5 parts of a functional monomer; 1.5 to 3 parts of an initiator; 0.5-1 part of an oxidizing agent; 0.5-1 part of a reducing agent; the internal cross-linking agent comprises ethoxylated bisphenol A dimethacrylate; wherein the self-crosslinking monomer 1 comprises acetoacetic acid ethyl methacrylate, and the self-crosslinking monomer 2 comprises adipic acid dihydrazide. The water-based emulsion disclosed by the invention has a relatively high drying speed, and can be used for reducing the chromatic aberration of the dried real stone paint when being used for the real stone paint.