在乙醚溶液制得的聚苯乙烯次甲基锂与甲基丙烯酸甲酯反应不能分离出聚甲基丙烯酸甲酯及它的接枝共聚物。
Neither polymethylmethacrylate nor polymethylmethacrylate-grafted copolymer could be isolated by the reaction of polystyrene methylene lithium prepared in ether solution with methyl methacrylate.
性状:深绿色结晶或结晶性粉末,带青铜光泽,无气味,溶于水、乙醇、氯仿;不溶于乙醚,水溶液为蓝色。
Porperties:Bottle green crystal or crystalline powder, with gunmetal shine, without smell, solve in water, ethanol and chloroform, insolve in aether, water liquor is blue.
本品为白色或浅黄色结晶粉末,易溶于乙醚,氯仿,二甲苯,甲苯及氢氧化钠水溶液,微溶于乙醇,极微溶于水。
DBM is white or light yellow crystalline powder, soluble in ether, chloroform, xylene, toluene and sodium hydroxide solution, slightly soluble in ethanol, very slightly soluble in water.
本品为白色或浅黄色结晶粉末,易溶于乙醚,氯仿,二甲苯,甲苯及氢氧化钠水溶液,微溶于乙醇,极微溶于水。
DBM is white or light yellow crystalline powder, soluble in ether, chloroform, xylene, toluene and sodium hydroxide solution, slightly soluble in ethanol, very slightly soluble in water.
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