This invention discloses resilient, acrylic graft polymers comprising &agr;-methylene lact(one)(am) monomers such as &agr;-methylene-&ggr;-butyrolactone, and blends of such polymers with thermoplastic matrix resins.
This invention also discloses hard, non-resilient, acrylic graft polymers comprising &agr;-methylene lact(one)(am) monomers such as &agr;-methylene-&ggr;-butyrolactone, and to blends of such polymers with thermoplastic matrix resins.
This invention further discloses a general process for emulsion polymerization of &agr;-methylene lact(one)(am) monomers such as &agr;-methylene-&ggr;-butyrolactone and its copolymers.
本发明公开了包含&agr;-亚甲基乳(一)(am)单体(如&agr;-亚甲基-&ggr;
-丁内酯)的弹性
丙烯酸接枝聚合物,以及此类聚合物与热塑性基体
树脂的混合物。
本发明还公开了由&agr;-亚甲基-&ggr;
-丁内酯等&agr;-亚甲基-&ggr;-(am)单体组成的硬质、无弹性
丙烯酸接枝聚合物,以及此类聚合物与热塑性基体
树脂的混合物。
本发明进一步公开了&agr;-亚甲基乳(一)(am)单体如&agr;-亚甲基-&ggr;
-丁内酯及其共聚物乳液聚合的一般工艺。