有机硅材料
有機硅材料
유궤규재료
SILICONE MATERIAL
2014年
3期
145-148
,共4页
张利萍%孙志松%刘述梅%黄家和
張利萍%孫誌鬆%劉述梅%黃傢和
장리평%손지송%류술매%황가화
甲基苯基二甲氧基硅烷%羟基%聚甲基苯基硅氧烷%酸%水解%缩聚
甲基苯基二甲氧基硅烷%羥基%聚甲基苯基硅氧烷%痠%水解%縮聚
갑기분기이갑양기규완%간기%취갑기분기규양완%산%수해%축취
dimethoxymethylphenylsilane%hydroxyl%polymethylphenylsiloxane%acid%hydrolysis%con-densation
以甲基苯基二甲氧基硅烷为原料,在盐酸催化下,在过量水中进行水解缩聚反应,得到端羟基聚甲基苯基硅氧烷。采用红外光谱、核磁共振谱和飞行时间质谱对产物进行了表征,并探讨了水解缩聚机理。结果表明,产物是以四聚体为主的端羟基聚甲基苯基硅氧烷,平均相对分子质量为862。
以甲基苯基二甲氧基硅烷為原料,在鹽痠催化下,在過量水中進行水解縮聚反應,得到耑羥基聚甲基苯基硅氧烷。採用紅外光譜、覈磁共振譜和飛行時間質譜對產物進行瞭錶徵,併探討瞭水解縮聚機理。結果錶明,產物是以四聚體為主的耑羥基聚甲基苯基硅氧烷,平均相對分子質量為862。
이갑기분기이갑양기규완위원료,재염산최화하,재과량수중진행수해축취반응,득도단간기취갑기분기규양완。채용홍외광보、핵자공진보화비행시간질보대산물진행료표정,병탐토료수해축취궤리。결과표명,산물시이사취체위주적단간기취갑기분기규양완,평균상대분자질량위862。
Hydroxyl terminated polymethylphenylsiloxane was prepared via hydrolysis /condensation of di-methoxymethylphenylsilane in water with hydrochloric acid as a catalyst .The structure of the product was characterized by FTIR、 NMR and MADLI-TOF/TOF MS, and the behavior of hydrolysis and condensation was proposed .Result shows that the product consists of linear hydroxyl terminated polymethylphenylsiloxane oligomers with an average molecular weight of 862 and tetramer is the major component .