Neither polymethylmethacrylate nor polymethylmethacrylate-grafted copolymer could be isolated by the reaction of polystyrene methylene lithium prepared in ether solution with methyl methacrylate.
2
在苯乙烯-丙烯酸无规共聚物的钠盐水溶液中合成了尺寸均一的球形碳酸钙复合物。
The spherical CaCO3 compounds with even size are synthesized in the sodium salt solution of the amphiphilic random copolymer of acrylic acid and styrene.
The Conditions for formation of IPN from castor oil polyurethane and homopolymer or copolymer of styrene, methylmethacrylate and acrylonitrile at room temperature were Studied.