54results about How to "Good water and heat resistance" patented technology

An organic light-emitting device that includes an encapsulation structure that has excellent resistance to water, heat, and chemicals and can be mass-produced, a method of manufacturing the device, and an apparatus for manufacturing the encapsulation structure. The organic light-emitting device includes a substrate, an organic light-emitting portion that has an organic light-emitting diode (OLED) and formed on a surface of the substrate, and an encapsulation structure made of a parylene polymer and formed to cover the organic light-emitting portion.

The invention discloses a single-component low temperature self-crossing emulsion adhesive for paper and plastic compounds and a preparing method thereof. The raw materials of the self-crossing emulsion adhesive comprise the following components in part by weight: 100-150 parts of de-ionized water, 0.8-3.0 parts of emulsifier, 20-40 parts of nuclear layer monomer, 30-50 parts of interlayer monomer, 20-40 parts of shell layer monomer, and 0.2-0.6 part of initiator. The invention uses a small amount of anionic emulsifier to prepare nuclear emulsion, uses polymerisable emulsifier to prepare interlayer and shell layer pre-emulsion, and adopts semi-continuous seeded low emulsion polymerization process to prepare emulsion particles that have a three-layer core-shell microstructure to obtain the exquisite and stable emulsion. The product has no organic solvent, and does not release methanal, contains no APEO and no phthalate; the film coating has high transparency, high water resistance and high heat and humidity resistance; and the emulsion adhesive is applied to plastic and paper compounds, has high adhesive strength, peel strength and permanent adhesion, is also compatible to oil and ink and has high oil/ink transferring rate.

A phase difference film which comprises a liquid crystal film having a liquid crystal comprised of a cellulose derivative as a liquid crystal compound (cellulose derivative liquid crystal) being oriented in a specific direction, preferably said phase difference film wherein said orientation in a specific direction is fixed. In said liquid crystal film, through changing appropriately the molecular weight of the cellulose derivative, the composition of the liquid crystal, the degree of the orientation, and the like, films having various wave length dispersion characteristics can be prepared with ease, and further a phase difference film satisfying the following relationship: Δn450=Δn550=Δn650 (1) wherein Δn550 represents a double refractive index at a wave length of 550 nm, Δn450 represents a double refractive index at a wave length of 450 nm, and Δn650 represents a double refractive index at a wave length of 650 nm, can be prepared without laminating a plurality of phase difference films. Said phase difference film, used in combination with a polarizing film, exhibits excellent reflection preventing effect, contrast improving effect, double refraction compensating effect, and the like.

The invention discloses a magnetic attapulgite supported ionic liquid catalyst and a preparation method thereof. The catalyst is characterized in that ionic liquid is supported on magnetic attapulgite by means of bonding. The preparation method includes: using a silane coupling agent for modifying the ionic liquid; using a magnetic material for pretreatment of attapulgite to obtain modified attapulgite; supporting the ionic liquid modified by the silane coupling agent onto a magnetic attapulgite support. The magnetic attapulgite supported ionic liquid catalyst has the advantages of high stability, porosity, lipophilicity, dispersity and catalytic activity, recyclability and easiness in separation from products after catalysis of biodiesel.

The catalytically cemented calcium carbide slag brick of the present invention is prepared by using calcium carbide slag and inorganic fine aggregate as main raw materials, adding an appropriate amount of water, and cementing with an inorganic catalytic activator. The calcium carbide slag brick prepared by the invention has the characteristics of large calcium carbide slag content, high strength, excellent heat resistance and water resistance, smooth surface, stable physical properties and the like. It has a wide range of sources of raw materials, simple production process, no energy consumption, and no pollution. It is a typical environmental protection and energy-saving product that turns waste into treasure.

The invention discloses a preparation method of a polystyrene-acrylate core-shell composite emulsion, belongs to the emulsion preparation field, and solves the problems of adhesion resistance, poor heat resistance and the like of a thermoplastic polystyrene-acrylate random copolymer in the prior art. The preparation method is as follows: 1, weighing raw materials; 2, adding distilled water into a reactor, heating up, adding a compound emulsifier, a pH buffer and then part of a mixed vinyl monomer for emulsifying, adding part of an initiator, heating up to react until no reflux exists to obtain a seed emulsion; 3, continuing heating up, dripping off the rest of the mixed vinyl monomer, synchronously adding part of the initiator, after the dripping of the part of the initiator, keeping warm to obtain a core structure emulsion; 4, dripping a mixed acrylate monomer to the core structure emulsion, in the mixed monomer dripping process, adding part of the initiator, after dripping of the part of the initiator, adding the rest of the initiator, keeping warm, then cooling, adding ammonia water, stirring, further cooling, and filtering. The preparation method is applied in the fields of wood veneering, interior decoration, textiles and the like.

Self-curable water-based solid adhesives of this invention include the following components (A), (B), (C), and (D): (A) an anionic-group-containing polymer terminally having an alkoxysilyl group, the polymer being a reaction product of a compound (A1) containing no anionic group and having plural isocyanate-reactive groups, a compound (A2) having an anionic group and plural isocyanate-reactive groups, a polyisocyanate compound (A3), and an alkoxysilane compound (A4) containing an isocyanate-reactive group; (B) a basic compound; (C) water; and (D) a gelling agent. The self-curable water-based solid adhesives of the present invention can be applied with good workability, have good fitting after attachment, have good adhesion to plastics, metals and glass and exhibit excellent heat resistance and water resistance after curing. They are highly safe to humans and the environment. They also have excellent shape retention and slidability and can be easily applied. In addition, they can bond adherends by contact bonding despite that they are water-based solid adhesives. Accordingly, the self-curable water-based solid adhesives of this invention are very useful as stick adhesives.

The invention provides fluorescent paint. The fluorescent paint comprises long-afterglow fluorescent powder, binding agents, curing agents, anti-precipitation agents, wear-resisting agents and anti-ultraviolet gloss oil. The invention further provides a preparation method and application of the fluorescent paint. The fluorescent paint has good water, heat, light and abrasion resistance performance, coatings are not easy to crack and peel off even if the fluorescent paint is used in severe environments for long time, service life is long, and the fluorescent paint is simple in production process, stable in performance, convenient and practical.

A reverse electrodialysis device, including an anode, a cathode, one or more single cells spaced apart from each other between the anode and the cathode, each single cell including a cation exchange membrane and an anion exchange membrane, and a shielding membrane disposed to define spaces between the anode and the single cell and/or between the cathode and the single cell. The cation exchange membrane and the shielding membrane include a porous polymer substrate and a polymer electrolyte incorporated into pores in the substrate.

The invention provides a method for producing colorized and plated glass products. The method comprises the following steps: spreading color transparent glass paint on a cleaned glass surface; then roasting the glass at a temperature of between 170 and 190 DEG C for 6 to 10 minutes to allow the paint to solidify into a film; and placing the roasted glass on a vacuum coating machine to carry out vacuum plating on the side with the paint film of the glass. The main film-forming materials of the color transparent paint include alkyd resin, amino resin, thermosetting acrylic resin and epoxy resin. After being formed, the paint film is characterized by bright color, high gloss, good transparency, strong adhesive force, excellent waterproof and heat-resistance performance. The method can make single or various colors and various textures or patterns on glass surfaces. The method is environmentally-friendly, energy-saving and easy to operate, and can make the surfaces of the glass products bright by plating a layer of film and create a magic effect of a single color by means of the reflection of a mirror surface generated by plating, thereby solving the defect that the color of the glass products made by the prior art is dim and lacks a bright sense.

The present invention provides a polyamide resin composition comprising (A) about 100 parts by weight of polyamide resin; (B) about 0.1 to about 50 parts by weight of titanium dioxide; and (C) about 1 to about 20 parts by weight of modified polyolefin, wherein the (C) modified polyolefin is prepared by grafting a monomer that is miscible with the polyamide resin into a main chain of the polyolefin.

The invention discloses adhesive resin for formaldehyde-free plywood. After being subjected to film blowing or tape casting film formation, the adhesive resin is applied to an adhesion layer between veneers in a core board of the plywood or between the core board and a face plate; by means of improvement of a formula and a production technology, wettability of polyethylene is improved, meanwhile,with addition of polyurethane, adhesion property and adhesion persistence of the plywood are improved, the plywood contains no formaldehyde, has excellent water resistance and heat resistance and particularly is high in adhesion strength, good in water resistance, low in cost and simple in process, the adhesion material with both social and economic benefits is provided for the field of the plywood, and an excellent technical scheme is provided for industrialization.

The invention relates to glycidyl methacrylate (GMA) graft modified polyvinyl acetate-based reverse core-shell emulsion and a preparation method thereof, belonging to the technical field of emulsion adhesive. The GMA graft modified polyvinyl acetate-based reverse core-shell emulsion is mainly prepared from a first core layer monomer, a second core layer monomer, a shell layer monomer, a graft monomer, a composite emulsifier, an initiator, a pH buffering agent, deionized water and a functional monomer, wherein the first core layer monomer is vinyl acetate, the second core layer monomer is butylacrylate, the shell layer monomer is styrene, the graft monomer is maleic anhydride, the composite emulsifier is a mixture of PCA507 and PCA078, the initiator is ammonium persulfate, the pH buffer isNaHCO3, and the functional monomer is GMA. The raw materials used in the preparation method are cheap and easy to obtain; the prepared functional monomer GMA modified core-shell composite emulsion type adhesive is non-toxic, harmless and simple in production and use process, and can be directly used as water-based adhesive.

The invention relates to an oil paint, and in particular relates to a waterproof anti-wear oil paint for wooden desks/chairs and a preparation method thereof. The oil paint is prepared from the following raw materials in parts by weight: 12-15 parts of silica sol, 3-5 parts of cobalt nitrate, 2-3 parts of imidazolidinyl urea, 1-2 parts of platinum sesquioxide, 1-2 parts of glycol ether, 3-5 parts of ferrocene, 30-35 parts of aromatic urethane acrylate, 14-18 parts of epoxy acrylate, 12-14 parts of methyl methacrylate, 1-2 parts of Benzyltriphenylphosphonium chloride, 4-6 parts of smectite powder, 10-12 parts of etrapod-like zinc oxide whiskers, 1-2 parts of diisocyanate, 2-3 parts of a cross-linking agent TAC, 10-12 parts of fungacetin, 5-6 parts of aids, 10-12 parts of xylene and 10-12 parts of butyl acetate. The film made of the oil paint is compact, tough, bright and full, is excellent in waterproof performance and heat resistance, is fireproof, anti-wear, and resistant to weather aging, has outstanding comprehensive performance, is relatively simple in production process and can be widely used for protecting various wooden desks and chairs.

A polyphenylene ether resin composition includes (A) polyphenylene ether, and (B) a block copolymer including a butadiene block having a molar ratio of a 1,2-bonding structure to a 1,4-bonding structure of 80:20 to 100:0 and a styrene block. The number average molecular weight (Mn) of the component (A) may be 1,000 to 7,000, the weight ratio of the styrene block to the butadiene block in the component (B) may be 10:90 to 80:20, and the weight average molecular weight (Mw) of the component (B) may be 2,000 to 100,000.

The invention provides a nano material modified multifunctional urea resin composite material and a preparation method thereof. The composite material is prepared from nano chitosan modified urea resin, urea resin microcapsule and nano silicon dioxide. The specific preparation method comprises the steps of adding the urea resin into methyl alcohol, adding sodium borohydride, performing low-temperature reaction to obtain hydroxyl modified urea resin, then mixing with a nano chitosan solution, dropwise adding sodium hydroxide and performing heating reaction to obtain the nano chitosan modified urea resin; degrading cellulose by a cellulase solution, ultrasonically breaking to obtain micro-nano cellulose, adding manganese dioxide, stirring under room temperature, then adding into a urea resin water solution and evenly stirring to obtain the urea resin microcapsule; mixing the two materials, adding the nano silicon dioxide and evenly mixing to obtain the nano material modified multifunctional urea resin composite material. The prepared urea resin composite material disclosed by the invention has good mechanical property, good water and heat resistance, low free formaldehyde, environmental friendliness and high energy.

The present invention provides a flame-retardant resin composition, a thermosetting resin composition, a flame-retardant engineering plastic and a composite metal substrate. The flame-retardant resin composition comprises a sulfur-containing flame retardant, a phosphorus-containing flame retardant and/or a nitrogen-containing flame retardant, and a halogen-free epoxy resin. The sulfur-containing flame retardant, phosphorus-containing flame retardant and nitrogen-containing flame retardant in the flame-retardant resin composition of the present invention play a synergistic effect, making the prepared copper clad laminate have good flame retardancy, and also good heat resistance, water resistance, adhesion, mechanical properties and electrical properties, and making the prepared engineering plastic have good flame retardancy and good mechanical properties, and thus the flame-retardant resin composition of the present invention is a kind of flame-retardant composition with large economy and friendly environment.

The invention relates to a preparation method of a copper and iron-based SAPO molecular sieve SCR catalyst, and belongs to the field of preparation of molecular sieve catalysts. The catalyst is characterized in that a molecular sieve carrier of the catalyst is an inorganic microporous molecular sieve material composed of silicon, phosphorus and aluminum; and the active metal of the catalyst is copper or iron. The preparation method of the copper and iron-based SAPO molecular sieve catalyst comprises three steps, namely, hydrothermal synthesis, impregnation and solid-phase exchange, and specifically comprises the following steps of: firstly, preparing SAPO-34, Fe-SAPO and Cu-SAPO molecular sieves by a hydrothermal reaction method; then impregnating Fe or Cu ions on the SAPO-34 molecular sieve by an isopyknic impregnation method; and finally, mixing Fe/Cu-SAPO-34 obtained by the impregnation method with the Fe/Cu-SAPO molecular sieve synthesized by the hydrothermal method and carrying out high-temperature solid-phase exchange to obtain the Fe or Cu-based SAPO molecular sieve SCR catalyst with high hydrothermal stability and high- and low-temperature activity.

The invention discloses an elastic rubber ring with high antibacterial property and for fitness equipment. The elastic rubber ring is prepared from 55-80 parts of butadiene styrene rubber, 45-60 parts of nitrile rubber, 20-40 parts of modified phenolic resin, 10-20 parts of a styrene-butadiene-styrene block copolymer, 15-20 parts of carbon black, 6-10 parts of polyarylamide fibers, 3-6 parts of nanometer cellulose whiskers, 1-5 parts of a SiC micro-powder wear-resistant agent, 1-2 parts of zinc oxide, 0.5-1.5 parts of a silane coupling agent, 1-2 parts of a vulcanization accelerator 2-5 parts of microcrystalline wax, 1-3 parts of a bacteriostatic agent and 0.5-3 parts of an additive. According to the invention, gamma-aminopropyl silsesquioxane is adopted to modify phenolic resin, and amino-functionalized gamma aminopropyl silsesquioxane reacts with hydroxyl groups of the phenolic resin, so the performance of the phenolic resin is improved, and the phenolic resin has good water resistance, heat resistance and oxidation resistance; and meanwhile, the styrene-butadiene rubber, the nitrile rubber and the styrene-butadiene-styrene block copolymer are jointly used as basic raw materials, so a formed system still has good wear resistance after being irradiated by ultraviolet light; and the bacteriostatic agent is added, so long-term effective bacteriostasis can be realized during use of the elastic rubber ring.

There is provided a layered body including a resin layer and a second layer that are stacked on one another. The resin layer is formed of a resin composition containing a fine inorganic particle composite that includes: a composite resin in which a polysiloxane segment having a structural unit represented by general formula and/or general formula and further having a silanol group and/or a hydrolyzable silyl group is bonded to a vinyl-based polymer segment through a bond represented by general formula; and fine inorganic particles that are each bonded to the composite resin at the polysiloxane segment through a siloxane bond.