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    • 8. 发明申请
    • POLYURETHANE-CONTAINING SEALANT AND COATING
    • 含聚氨酯的密封剂和涂料
    • WO1992018558A1
    • 1992-10-29
    • PCT/US1992002800
    • 1992-04-10
    • ROBERT M. EVANS ASSOCIATES, INC.EVANS, Robert, M.XIAO, Han, X.FRISCH, Kurt, C.
    • ROBERT M. EVANS ASSOCIATES, INC.
    • C08J03/00
    • C08L95/005C09D175/04C08L2666/02C08L95/00
    • By way of summary, the present invention relates to waterborne coating compositions, methods of preparing such compositions, and methods of applying such compositions. More particularly, but without limitation, two compositions of the present invention comprise water-containing dispersions, suspensions or emulsions employing either (a) about 10 % to about 90 %, by weight of the final compositions, of a select urethane-urea dispersion; having incorporated therein either (b) about 10 % to about 90 %, by weight of the final composition, of a bituminous material, such as asphalt or (c) about 10 % to about 90 %, by weight of the final composition, of a (vinylic) latex material. An additional water-containing dispersion, suspension or emulsion is disclosed without limitation, as employing (a) about 5 % to about 10 % by weight of the final composition of a urethane-urea dispersion; (b) about 5 % to about 30 % by weight of the final composition of a (vinylic) latex material; and (c) about 10 % to about 90 %, by weight of the final composition, of a bituminous material, preferably asphalt.
    • 作为总结,本发明涉及水性涂料组合物,制备这种组合物的方法,以及施用这些组合物的方法。 更具体地但不限于本发明的两种组合物包含使用(a)约10%至约90%的最终组合物的选择氨基甲酸酯 - 脲分散体的含水分散体,悬浮液或乳液; 其中掺入(b)按最终组合物的重量计约10%至约90%的沥青材料,例如沥青或(c)按最终组合物的重量计约10%至约90% (乙烯基)胶乳材料。 公开了另外的含水分散体,悬浮液或乳液,不限于,使用(a)最终组合物的约5重量%至约10重量%的氨基甲酸酯 - 尿素分散体; (b)(乙烯基)胶乳材料的最终组合物的约5重量%至约30重量% 和(c)最终组合物重量的约10%至约90%的沥青材料,优选沥青。