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聚硅氧烷乳液交联制备脱模剂的工艺条件研究
引用本文:李建隆,苑光辉,王宇光,刘颖.聚硅氧烷乳液交联制备脱模剂的工艺条件研究[J].青岛化工学院学报(自然科学版),2013(6):589-592.
作者姓名:李建隆  苑光辉  王宇光  刘颖
作者单位:[1]青岛科技大学化工学院,山东青岛266042 [2]中国化学赛鼎宁波工程有限公司,浙江宁波315040
基金项目:山东省自然科学基金资助项目(ZR2011BQ006).
摘    要:以二甲基硅氧烷混合环体(DMC)为原料,利用乳液聚合法制得聚硅氧烷乳液,并用乙醇醇解甲基三氯硅烷所得的甲基三乙氧基硅烷进行乳液交联,最后以三甲基氯硅烷作为封端剂为其封端.研究了交联温度、交联反应时间、交联剂用量以及封端剂用量对乳液的影响,并确定了最适宜的反应条件,即交联温度为(60±5)℃,交联时间4h左右,交联剂用量为DMC质量的34%~46%,封端剂用量为DMC质量的5%~7%.

关 键 词:二甲基硅氧烷混合环体(DMC)  乳液  交联  透光度

Preparation of Release Agent by Cross-linking of Polysiloxane Emulsion
LI Jian-long,YUAN Guang-hui,WANG Yu-guang,LIU Ying.Preparation of Release Agent by Cross-linking of Polysiloxane Emulsion[J].Journal of Qingdao Institute of Chemical Technology(Natural Science Edition),2013(6):589-592.
Authors:LI Jian-long  YUAN Guang-hui  WANG Yu-guang  LIU Ying
Institution:1.College of Chemical Engineering,Qingdao University of Science and Technology, Qingdao 266042, China; 2.SEDIN NingBo Engineering Co.,LTD., Ningbo 315040,China;)
Abstract:Polysiloxane emulsion was prepared by emulsion polymerization using dimethylsiloxane hybrid ring body as raw material,Methyltrichlorosilane was alcoholysized by ethanol to prepare methyltriethoxysilane.The release agent was prepared by cross-linking reaction between emulsion and methyltriethoxysilane,and by end capping using trimethylchlorosilane as end capping agent.The influences of cross-linking temperature,cross-linking time,dosages of cross-linking and end capping agents on emulsion properties were studied.The optimum conditions were cross-linking temperature (60±5) ℃,cross-linking time 4 h,dosage of cross linking agent 34%-46%,dosage of end capping 5%-7%.
Keywords:dimethylsiloxane hybrid ring body (DMC)  emulsion  cross-linking  transmittance
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