Photocuring double-component polyurea waterproof coating and preparation method thereof
The invention relates to a photocuring double-component polyurea waterproof coating and a preparation method thereof. The photocuring double-component polyurea waterproof coating is composed of a component A and a component B. The raw material formula of the component A comprises a polyurea prepolym...
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| creator | HE XIAOGANG GAO FAN TAN YU'ANG LI ZHONGREN ZHU YANGYANG ZHOU WEI |
| description | The invention relates to a photocuring double-component polyurea waterproof coating and a preparation method thereof. The photocuring double-component polyurea waterproof coating is composed of a component A and a component B. The raw material formula of the component A comprises a polyurea prepolymer and an acrylic acid modified polyurea prepolymer, and the polyurea prepolymer is prepared through a reaction of isocyanate and steric hindrance secondary amine. The raw material formula of the component B comprises amino-terminated polyether, an amine chain extender, a photoinitiator, a defoaming agent, an antioxidant and a plasticizer. The steric hindrance secondary amine and the amine chain extender are respectively selected from asparaginic acid ester steric hindrance type secondary amine. An asparaginic acid ester compound is introduced into the component A and the component B at the same time, the photoinitiator is used in cooperation, the coating can be rapidly and deeply dried and cured to form a film aft |
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The photocuring double-component polyurea waterproof coating is composed of a component A and a component B. The raw material formula of the component A comprises a polyurea prepolymer and an acrylic acid modified polyurea prepolymer, and the polyurea prepolymer is prepared through a reaction of isocyanate and steric hindrance secondary amine. The raw material formula of the component B comprises amino-terminated polyether, an amine chain extender, a photoinitiator, a defoaming agent, an antioxidant and a plasticizer. The steric hindrance secondary amine and the amine chain extender are respectively selected from asparaginic acid ester steric hindrance type secondary amine. 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| subjects | ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS |
| title | Photocuring double-component polyurea waterproof coating and preparation method thereof |
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