Vinyl dispersion resins containing a major proportion of vinyl chloride that provide fluid suspensions thereof with thixotropic properties are obtained by isolating and drying the vinyl chloride polymer resin from an emulsion (latex) thereof containing a small amount of a cross-linked, water-swellable polymer of an unsaturated carboxylic acid.
通过将
氯乙烯聚合物
树脂从含有少量不饱和
羧酸交联
水溶性聚合物的乳液(胶乳)中分离出来并干燥,可获得主要成分为
氯乙烯的
乙烯基分散
树脂,该
树脂可提供具有触变性能的流体悬浮液。