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    • 8. 发明申请
    • ANTI-FREEZE AGENTS
    • 防冻剂
    • WO2017222473A1
    • 2017-12-28
    • PCT/SG2017/050308
    • 2017-06-19
    • NIPSEA TECHNOLOGIES PTE LTD
    • LI, HairongWANG, ShaofengSEOW, Swee How
    • C09D7/12C09D201/00C09K5/20
    • C09D201/00C09K5/20
    • There is provided a polymer dispersion comprising: a. a binder component comprising polymer particles dispersed in an aqueous phase; and b. an anti-freeze agent comprising a dendritic polymer or a hyperbranched polymer which is selected from poly (amido) amine (PAMAM), polyglycerol (PGL) or a combination thereof, wherein the PAMAM and/or PGL has a molecular weight of less than 1000 Da. There is also provided a method of lowering the freezing point of a polymer dispersion, the method comprising: mixing the polymer dispersion with an anti-freeze agent selected from dendritic or hyperbranched PAMAM, PGL or a combination thereof, and wherein said PAMAM and/or PGL h as a molecular weight of less than 1000 Da, and the use of the PAMAM, PGL or a combination thereof to lower the freezing point of the polymer dispersion.
    • 提供了一种聚合物分散体,其包含:a。 包含分散在水相中的聚合物颗粒的粘合剂组分; 和b。 包含树枝状聚合物或选自聚(酰氨基)胺(PAMAM),聚甘油(PGL)或其组合的超支化聚合物的防冻剂,其中所述PAMAM和/或PGL的分子量小于1000 大。 还提供了降低聚合物分散体冰点的方法,该方法包括:将聚合物分散体与选自树枝状或超支化PAMAM,PGL或其组合的防冻剂混合,并且其中所述PAMAM和/或 PGL h的分子量小于1000Da,以及使用PAMAM,PGL或其组合来降低聚合物分散体的凝固点。