变形颗粒及其制造方法

Deformed shaped particles and method for producing the same

Abstract

公开了一种制造不规则形状颗粒的方法,所述方法通过使种子颗粒吸收含水乳液中的可聚合乙烯基型单体并使所吸收的可聚合乙烯基型单体聚合来获得不规则形状颗粒,其中所述种子颗粒是得自(甲基)丙烯酸酯并且具有150000至1000000(通过GPC:凝胶渗透色谱测得)的重均分子量的树脂颗粒,所述(甲基)丙烯酸酯的至少酯部分包含具有3个或更多并且少于6的碳原子数的烷基,并且所述可聚合乙烯基型单体包含以所述可聚合乙烯基型单体总量计5至50wt%的可交联单体。

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