Polyurea coating suitable for waterproof coiled material, preparation method of polyurea coating and waterproof material
The invention discloses a polyurea coating suitable for waterproof coiled materials, and is characterized in that the polyurea coating comprises a first component and a second component, the first component comprises an isocyanate polyurea prepolymer; the second component comprises amino-terminated...
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| creator | HE XIAOGANG GAO FAN TAN YU'ANG LI ZHONGREN ZHU YANGYANG ZHOU WEI |
| description | The invention discloses a polyurea coating suitable for waterproof coiled materials, and is characterized in that the polyurea coating comprises a first component and a second component, the first component comprises an isocyanate polyurea prepolymer; the second component comprises amino-terminated polyether, an amine chain extender, a plasticizer and an auxiliary agent, and the weight ratio of the first component to the second component in the polyurea coating is 1:(0.2-2); the mass ratio of the amine-terminated polyether to the amine chain extender is 1:(0.5-2). According to the polyurea coating disclosed by the invention, the amine chain extender with a specific structure is preferably selected and is more excellent in adaptability with the selected polyether amine, the prepared product is high in crosslinking density and has excellent strength performance and self-healing capability of a rubber body, and the low-temperature flexibility, the bonding strength, the weather resistance and the mechanical perfo |
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| subjects | ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES |
| title | Polyurea coating suitable for waterproof coiled material, preparation method of polyurea coating and waterproof material |
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