发明名称 |
MANUFACTURE OF CURABLE ORGANOPOLYSILOXANE COMPOSITIONS |
摘要 |
<p>A process for controlling the rate of addition of silicon bonded hydrogen atoms to organopolysiloxanes containing aliphatic unsaturation which comprises mixing (1) an organopolysiloxane containing silicon bonded hydrogen atoms and/or (2) an organopolysiloxane containing at least 50 silicon atoms per molecule and having aliphatically unsaturated groups with at least one organosilicon compound of the formula CH2=CHR2SiO(SiR2O)nSiR2CH=CH2 in which R is a hydrocarbon radical or a substituted hydrocarbon radical free of aliphatic unsaturation and n is a number of from 0 to 6 prior to combining the organopolysiloxanes (1) and (2) in the presence of a platinum catalyst. The composition thus obtained has a substantially longer pot-life while only slightly extending the curing time.</p> |
申请公布号 |
GB1570411(A) |
申请公布日期 |
1980.07.02 |
申请号 |
GB19770037162 |
申请日期 |
1977.09.06 |
申请人 |
WACKER - CHEMIE GMBH |
发明人 |
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分类号 |
C08L83/00;C08L83/04;C08L83/05;C08L83/07;(IPC1-7):08L83/04 |
主分类号 |
C08L83/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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