31results about How to "Boiling resistant" patented technology

The invention discloses a water-based environment-friendly finishing paint, which is prepared from the following compositions in part by weight: 20 to 70 parts of water borne acrylic resin solution of which the solid content is 30 to 80 percent and/or 20 to 70 parts of water borne epoxy resin solution of which the solid content is 30 to 80 percent, 4 to 10 parts of water borne amino resin solution of which the solid content is 60 to 98 percent; 1 to 5 parts of organic amine, 0.2 to 2 parts of wetting and leveling agent, 0.2 to 2 parts of thickener, 0.1 to 0.8 part of defoaming agent, 1 to 5 parts of adhesion promoter, 0.2 to 5 parts of catalyst, 10 to 30 parts of alcohol diluting solvent and/or 1 to 5 parts of nontoxic ether diluting solvent, and 20 to 50 parts of deionized water, wherein the catalyst is one or more of ammonias, alcohols and benzenesulfonic acids. The water-based environment-friendly finishing paint has the advantages of wide applicable range, high hardness, good flexibility, strong adhesion, good scratchproof performance, and environmental protection. Simultaneously, the invention also discloses a method for preparing the water-based environment-friendly finishing paint.

The invention relates to an aqueous environment-friendly packaging steel drum paint, which is prepared by mixing the following compositions in part by weight: 20 to 70 parts of aqueous solution of acrylic resin with a solid content of 30 to 80 percent and/or aqueous solution of epoxy resin with the solid content of 30 to 80 percent, 4 to 10 parts of aqueous solution of amino resin with the solid content of 60 to 98 percent, 1 to 5 parts of organic amine, 1 to 50 parts of filling materials with the granularity of more than 2,000 meshes, 0.5 to 10 parts of color paste, 0.2 to 2 parts of wetting levelling agent, 0.2 to 2 parts of thickening agent, 0.1 to 0.8 part of antifoaming agent, 1 to 5 parts of adhesive force accelerant, 0.2 to 5 parts of catalyst, 0 to 30 parts of alcohol diluting solvent and/or 0 to 5 parts of non-toxic ether diluting solvent, and 20 to 50 parts of deionized water. The aqueous environment-friendly packaging steel drum paint has the advantages of wide application range, high rigidity, good flexibility, strong adhesive force and good anti-scraping and anti-collision properties and environmental protection; and meanwhile, the invention discloses a preparation method for the aqueous environment-friendly packaging steel drum paint.

The invention discloses alum-free fresh vermicelli and a preparation method thereof. The alum-free fresh vermicelli is prepared from the following raw materials in parts by weight: 100 parts of sweet potato starch, 0.1 part of edible oil, 0.5-0.8 part of edible salt, 0.15-0.2 part of guar gum, 0.1-2 parts of konjac powder, 0.1-0.15 part of dietary alkali, 0.2-0.5 part of elm juice, and an appropriate amount of water. The preparation method comprises the steps of mixing all the raw materials in parts by weight together, kneading dough, molding and cooling, freezing, deicing, and packaging for retaining freshness to obtain the alum-free sweet potato starch vermicelli product. The alum-free fresh vermicelli is used for solving the problem that alum adopted during vermicelli processing at present harms the health of a human body, contains no alum harmful to the human body, has tenacity and boiling fastness, is unlikely to break or make soup thick, is rich in nutrition and has a certain health effect.

The invention discloses a method for producing total-eucalyptus plywood by adopting moisture-proof composite urea resin. The method comprises the following steps: rotatably cutting wood boards; drying each board; gluing; performing cold pressing for three times; stewing and conditioning; performing hot pressing for three times; cooling and conditioning; determining the thickness of a board blank and sanding the board blank. The key points of the production method disclosed by the invention are that melamine modified urea resin is adopted as a main material of an adhesive and is added with oxidized starch to form a viscous compound, polyvinyl alcohol is taken as a toughening agent, magnesium oxide is taken as an antiaging agent, hexamine and triglycidyl isocyanurate are taken as a curing agent, isobutyl triethoxy silane is taken as a bridging agent, phenolated lignin is taken as a formaldehyde catcher and aliphatic polyurethane acrylate is taken as a moisture-proof agent to prepare the composite urea resin; the composite urea resin has the advantages of being low in formaldehyde residual volume, good in water resistance and good in moisture resistance; therefore, the produced total-eucalyptus plywood is low in formaldehyde residual volume, hard to expand after absorbing water and hard to arch and deform, and a wear-resistant layer is hard to damage.

The invention discloses a large-dimension aromatic ring structure-containing polyester for a powder coating and a preparation method of the polyester. The adopted technical scheme is that 1,8-anthracenedicarboxylic acid dimethyl ester is selected as a synthesis raw material to introduce a large-dimension anthracene ring to the polyester so that the glass transition temperature of the polyester can be increased; the polyester resin is prepared from the following major components in parts by weight: 12.0-25.5 parts of 1,8-anthracenedicarboxylic acid dimethyl ester, 10.0-32.0 parts of terephthalic acid, 6.5-17.0 parts of m-phthalic acid, 0.5-3.0 parts of adipic acid, 18.0-41.0 parts of C2-C6 polyhydric alcohol and 0.02-2 parts of catalyst through the steps of heating at different stages to arouse an esterification reaction, a condensation polymerization reaction and an acidolysis reaction. The large-dimension aromatic ring structure-containing polyester for the powder coating has the beneficial effects that the obtained polyester resin is capable of solving the contradiction between heat resistance and melting manufacturability to a certain extent, and has the characteristics of high glass transition temperature, low melt viscosity, good storage stability and the like; and an epoxy/polyester powder coating prepared from the polyester is resistant to acids and bases, and also resistant to boiling in water, and has excellent adhesion to metal substrates.

The invention relates to a composite material laminated board and a preparation method thereof, and belongs to the technical field of building decoration materials. The structure comprises impregnatedpaper positioned on the upper layer, an intermediate layer sheet positioned in the middle and a substrate positioned on the lower layer, wherein a PUR hot melt adhesive layer is arranged between theintermediate layer sheet and the base plate, the impregnated paper is decorative paper impregnated by thermosetting resin, the intermediate layer sheet is a fiber sheet which can be respectively permeated by the thermosetting resin and PUR hot melt adhesive, and the base plate is a sheet-shaped plate of which the surface cannot be directly bonded with the thermosetting resin. According to the invention, fibers of the intermediate layer are used as a medium to form two cured layers which are respectively bonded with two materials which cannot be bonded with each other. The preparation process adopts a two-step production method of firstly preparing the composite substrate of the intermediate layer thin plate and the substrate, and then carrying out hot-pressing compounding on the compositesubstrate and gum dipping to form the composite laminated board. Therefore, the obtained composite laminated board has the advantages of boiling resistance, water soaking resistance, heat resistance,no layering and long service life.

The invention belongs to the technical field of coatings and particularly relates to a colorful LED-UV glass coating and a preparation method thereof. The coating is prepared from modified aliphatic acrylate, modified epoxy acrylate, modified polyester acrylate, a glass surface adhesion promoter, a compound photoinitiator, nano zirconia, a boiling resistant aid, a defoaming agent, a leveling agent, graphene, pigment and a diluent. The glass surface adhesion promoter capable of improving glass surface adhesion as well as resin, the initiator and various aids capable of improving boiling resistance of cured films are added to the colorful LED-UV glass coating, these substances are crosslinked through reactions and are instantly cured to form a film under irradiation of an LED-UV lamp, the adhesion to the glass surface is enhanced, the performance of the glass coating is greatly improved, and the formed film has the characteristics of high gloss, high hardness, high adhesion, freezing resistance, boiling resistance, organic solvent resistance, acid-base resistance and salt mist resistance. The preparation method is simple and feasible.

The invention relates to a radiation child-mother plate cured colloid and a child plate forming method thereof. The child plate forming method comprises the steps that (1) carving a needed pattern ona metal roller with a metal chrome plating layer and high surface smoothness through lasers, and forming pattern textures used for follow-up transfer printing on the surface of the roller so as to obtain a mother plate; (2) coating the radiation child-mother plate cured colloid on a base material; forming a transfer printing adhesive layer, drying and baking the transfer printing adhesive layer under reduced pressure, controlling the peel strength between the base material and the transfer printing adhesive layer to be more than two times of the peel strength between the transfer printing adhesive layer and the mother plate, pressing the transfer printing adhesive layer by adopting the mother plate, and transferring pattern textures on the mother plate onto the adhesive layer; and (3) carrying out electron beam irradiation on the transfer printing adhesive layer coated on the base material and printed with the pattern texture to cure the transfer printing adhesive layer to obtain the child plate convenient to strip. The radiation child-mother plate cured colloid obtained by the method can well keep the uneven feeling corresponding to the concave-convex shape of the required pattern, is good in impressing, has no defects in a line/space, can achieve excellent gloss and high-quality feeling in appearance, and can meet the sticker requirements of various high-grade articles.

The embodiment of the invention discloses water-based ink, a preparation method thereof and a plate. The water-based ink comprises a component A, a component B, a component C and a component D, wherein the component A comprises the following components in parts by mass: 15-25 parts of water-based acrylic resin, 15-45 parts of water-based polyurethane resin, 5-10 parts of a coalescing agent, 10-20 parts of water-based black paste, 5-10 parts of matting powder, 0.5-1 part of a defoaming agent, 0.5-1 part of a dispersing agent, 0.5-1 part of a wetting agent and 0.5-2 parts of a thickening agent, and 0-5 parts of a component A diluent; the component B comprises the following components in parts by mass: 5-15 parts of a curing agent; the component C comprises the following components in parts by mass: 1-5 parts of an adhesion promoter; and the component D comprises the following components in parts by mass: 0-25 parts of a mixed component diluent. The water-based ink disclosed by the invention is convenient to coat, is firmly combined with a base material, and has the advantages of high covering power, matte smoothness, small surface tension, good recoatability, boiling resistance, high temperature resistance and strong bending resistance.

The invention relates to electroplated coating silk-screen printing ink and a preparation method thereof. The electroplated coating silk-screen printing ink comprises the following components in partsby weight: 18 to 30 parts of an epoxy acrylate prepolymer; 18 to 30 parts of dehydrated ricinoleic acid modified epoxy resin; 0.5 to 12 parts of an isocyanate curing agent; 0.5 to 3 parts of a functional filler; 0.5 to 6 parts of talcum powder; 0.5 to 12 parts of carbon black; 0.5 to 2.5 parts of a dispersing agent; 0.08 to 1.2 parts of a defoaming agent; 0.08 to 1.2 parts of a leveling agent; 10to 50 parts of solvent. According to the invention, dehydrated ricinoleic acid modified epoxy resin is used as a binder, and nano silicon dioxide, nano aluminum oxide, nano zinc oxide or a mixture thereof are used as a functional filler, so that the prepared electroplated coating silk-screen printing ink has the advantages of high strength, high adhesive force, acid resistance, corrosion resistance, boiling resistance and the like, and satisfies the requirement of environmental protection at the same time. The preparation method disclosed by the invention is simple and easy for industrial application.

The invention relates to the technical field of food, in particular to sweet potato dumpling flour and a preparation method thereof. According to the sweet potato dumpling flour, the defect that wheat dumpling flour does not have gluten protein is overcome, the sweet potato dumpling flour is produced by processing carefully selected sweet potatoes through a wet method, and the nutritional value of the sweet potato dumpling flour is greatly increased. The sweet potato dumpling flour is prepared by the following steps of selecting raw material sweet potatoes (careful selection), hydraulically conveying, cleaning and removing stones, cleaning by a roller, crushing, finely crushing, separating, de-sanding, spray-drying and packaging to obtain a finished product. On one hand, the fineness and whiteness of the sweet potato whole flour are solved, the transparency and boiling fastness are enhanced, and on the other hand, the defects that dumplings are easy to age, crack, case ascites and worse in taste during frozen storage are overcome.

The invention provides an acrylic copolymer emulsion, the acrylic acid copolymer emulsion is prepared from methyl methacrylate, n-butyl acrylate, 2-ethylhexyl acrylate, acrylic acid and hydroxyethyl methylacrylate monomers through copolymerization, and the invention further provides water-based ink based on the acrylic acid copolymer emulsion. The invention also provides a preparation method of the water-based ink. The water-based ink prepared by the method has the advantages of low odor, low VOC (Volatile Organic Compounds), boiling resistance, alcohol scrubbing resistance, strong acid resistance, friction resistance, hand perspiration resistance and excellent adhesion to PMMA (Polymethyl Methacrylate).

The preparation method comprises the following preparation processes: (1) taking a PET (Polyethylene Terephthalate) film, and carrying out double-sided corona treatment; (2) coating polyurethane resin on the inner surface of the PET film to form an adhesive layer; compounding with a PVDF (Polyvinylidene Fluoride) film; (3) coating the outer surface of the PET film with polyurethane resin to form an adhesive layer, and performing corona treatment; and compounding with a metal plate to obtain the fluorine film plate. A component with low temperature resistance is introduced into the polyurethane resin, the low temperature resistance of a prepared adhesive layer can be effectively improved, a fluorine film for metal plate film coating is obtained in cooperation with a corona-treated PET film formed through two-way stretching and an ultra-low-temperature-resistant PVDF film, the fluorine film is compounded with a metal plate, and the fluorine film is excellent in multiple environment resistance and good in anti-corrosion performance. And the fluorine film plate has high adhesive force and high flexibility at low temperature, the outer layer of the prepared fluorine film plate is prevented from cracking, the fluorine film plate has good low-temperature adaptability and stability in a warm environment, and the problem that a metal plate film is poor at low temperature is avoided.

The invention discloses a high-gloss waterborne coating for perfume glass bottles; the high-gloss waterborne coating comprises a component A, a component B, a component C and a component D which are separately packaged, wherein the component A consists of the following components in parts by weight: 30-50 parts of acrylic resin A, 10-20 parts of acrylic resin B, 3-10 parts of melamine resin A, 3-10 parts of melamine resin B, 1-2 parts of an antifoaming agent, 0.1-0.5 part of a defoaming agent, 1-3 parts of a leveling agent, 5-10 parts of a cosolvent, 1-2 parts of a rheological auxiliary agent,0.2-1 part of an amine neutralizer, 1-5 parts of a silane coupling agent, and 15-20 parts of deionized water; the component B is an acid drier with the amount of 1-2 parts by weight; the component Cis deionized water with the amount of 20-30 parts by weight; the component D is dye slurry with the addition amount added according to the needs. The high-gloss waterborne coating can meet the requirements of FDA, and has the characteristics of high gloss, good fullness, excellent adhesive force on glass substrates, water boiling resistance, alcohol scrubbing resistance and abrasion resistance.