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含乙烯基液态超支化聚碳硅烷的合成、表征及陶瓷化
  • ISSN号：1002-185X
  • 期刊名称：稀有金属材料与工程
  • 时间：2013
  • 页码：380-382
  • 分类：O634.41[理学—高分子化学;理学—化学]
  • 作者机构：[1]国防科技大学 新型陶瓷纤维及其复合材料重点实验室
  • 相关基金：国家自然科学基金(51172280,50702075)
  • 相关项目：耐超高温ZrCB与ZrCSi陶瓷先驱体合成、组成结构调控及陶瓷化机理研究
作者： 曹适意|王军|王浩|
关键词： 液态先驱体, 超支化聚碳硅烷, 乙烯基, 碳化硅陶瓷
中文摘要：

采用"有核慢滴加法",以1,1,3,3-四氯-1,3-二硅丁烷(Cl2SiHCH2SiCl2CH3)为核,氯甲基三氯硅烷(Cl3SiCH2Cl)、乙烯基氯化镁(CH2=CHMgCl)为单体,经过格式偶联反应和还原反应制备了含乙烯基的液态聚碳硅烷(VHPCS)。利用FT-IR、NMR、GPC、TGA、XRD与SEM等对VHPCS及其陶瓷产物进行了表征。结果表明,VHPCS具有超支化结构,热解能得到较致密的SiC陶瓷,1000℃陶瓷产率为85.9%(质量分数,下同),1200℃陶瓷产物开始出现β-SiC微晶。

同期刊论文项目
耐超高温ZrCB与ZrCSi陶瓷先驱体合成、组成结构调控及陶瓷化机理研究
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纳米有序SiC多孔陶瓷接头的研制及其在Cf/SiC复合材料连接领域中的应用
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期刊信息
  • 《稀有金属材料与工程》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国有色金属学会 中国材料研究学会 西北有色金属研究院
  • 主编：张平祥
  • 地址：西安市51号信箱
  • 邮编：710016
  • 邮箱：RMME@c-nin.com
  • 电话：029-86231117
  • 国际标准刊号：ISSN：1002-185X
  • 国内统一刊号：ISSN：61-1154/TG
  • 邮发代号:52-172
  • 获奖情况:
  • 首届国家期刊奖,中国优秀期刊一等奖,中国有色金属工业优秀期刊1等奖
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,美国科学引文索引（扩展库）,英国科学文摘数据库,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:24715