The invention relates to a crosslinkable or non-crosslinkable aqueous dispersion of polymer, based on structured polymer particles, said particle comprising a core polymer phase, based on a polymer P1 with Tg1 ranging from 60 to 120° C., a second polymer phase enveloping said core, based on a polymer P2 with a Tg2 ranging from −60 to 40° C. and a third outer polymer phase (or shell) based on a polymer P3, with a Tg3 greater than Tg2 not exceeding 120° C. and having a measured Mn of from 1000 to 150 000, with the weight contents of said polymers P1, P2 and P3 being relative to the total weight of polymer (P1+P2+P3): P1 from 5% to 60%, P2 from 40% to 85%, P3 from 5% to 25% with the sum of said weight contents being 100%.
本发明涉及一种基于结构化聚合物颗粒的可交联或不可交联聚合物
水性分散体,所述颗粒包括一个基于聚合物 P1 的核心聚合物相,其 Tg1 为 60 至 120 摄氏度、以聚合物 P3 为基础的第三层外聚合物相(或外壳),其 Tg3 大于 Tg2,但不超过 120 摄氏度,测量 Mn 为 1000 至 150 000,所述聚合物 P1、P2 和 P3 的重量含量相对于聚合物总重量(P1+P2+P3):P1 为 5%至 60%,P2 为 40%至 85%,P3 为 5%至 25%,上述重量含量之和为 100%。