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    • 6. 发明申请
    • FAST HARDENING AQUEOUS COATING COMPOSITION AND PAINT
    • 快速硬化水性涂料组合物和油漆
    • WO1996022338A2
    • 1996-07-25
    • PCT/US1996000802
    • 1996-01-18
    • THE DOW CHEMICAL COMPANYHELMER, Bradley, J.YOUNG, James, W., Jr.
    • THE DOW CHEMICAL COMPANY
    • C09D05/00
    • C09D133/06C08L79/00C08L2666/14
    • The invention relates to a fast hardening aqueous coating composition comprising from 95 to 99 weight percent of an anionically stabilized aqueous emulsion of a copolymer having a Tg of from -10 DEG C to 50 DEG C, the copolymer containing two or more ethylenically unsaturated monomers, wherein from 0 to 5 weight percent of the monomers are alpha , beta -ethylenically unsaturated aliphatic carboxylic acid monomers; from 0.2 to 5 weight percent of a polyimine having a molecular weight of from 250 to 20,000; and from 0.2 to 5 weight percent of a volatile base, wherein the composition has a pH from 8 to 11, and wherein a cast film of the composition has a hardening rate measurement rating of at least 5 within 20 minutes after casting under ambient conditions of temperature up to 30 DEG C and relative humidity no less than 50 percent. Within the scope of the invention are a process for the preparation of a fast hardening aqueous coating composition, a fast hardening aqueous traffic paint, and a fast hardening migration-resistant binder for composites.
    • 本发明涉及一种快速硬化水性涂料组合物,其包含95至99重量%的Tg为-10℃至50℃的共聚物的阴离子稳定的水性乳液,所述共聚物含有两种或更多种烯属不饱和单体, 其中0至5重量%的单体是α,β-烯属不饱和脂族羧酸单体; 0.2至5重量%的分子量为250至20,000的聚亚胺; 和0.2至5重量%的挥发性碱,其中所述组合物的pH为8至11,并且其中所述组合物的流延膜在铸造后的20分钟内的硬化速率测量等级为至少5,在环境条件下 温度可达30℃,相对湿度不低于50%。 本发明的范围是用于制备快速硬化水性涂料组合物,快速硬化水性交联漆和用于复合材料的快速硬化耐迁移粘合剂的方法。