发明名称 |
Fremgangsmåde til fremstilling af polyorganosiloxaner (POS) med thiolfunktioner, POS, der kan opnåes ved denne fremgangsmåde, og deres anvendelse inden for bl.a. området gummimaterialer |
摘要 |
The present invention relates to a process for preparing multifunctionalized polyorganosiloxanes (POSs) comprising alkoxyl functional siloxyl units and siloxyl units each having an SH functional group, which consists in introducing the SH functional group by the reaction of H2S on a precursor POS of formula: A-(RXSiO)a-(RYSiO)b-B where R is especially a C1-C6 alkyl radical, X is a C1-C15 alkoxyl radical, Y is a C2-C30 hydrocarbon group which includes an ethylenically unsaturated group from which the SH functionality derives, a is a number ranging from 1 to 150, b is a number ranging from 1 to 150, the number a+b ranging from 2 to 300 and A and B are terminal groups which are selected respectively, from, in particular, on the one hand (R)3SiO- radicals taken alone or as mixtures with (R)2XSiO- and/or R(X)2SiO- and/or (X)3SiO- radicals and on the other hand -Si(R)3 radicals taken alone or as mixtures with -SiX(R)2 and/or -Si(X)2R and/or -Si(X)3 radicals. |
申请公布号 |
DK0996660(T3) |
申请公布日期 |
2002.07.01 |
申请号 |
DK19980937614T |
申请日期 |
1998.07.10 |
申请人 |
RHODIA CHIMIE |
发明人 |
BARRUEL, PIERRE;BOMAL, YVES;GUENNOUNI, NATHALIE;MIGNANI, GERARD;PRIOU, CHRISTIAN |
分类号 |
C08G77/392;C08K3/36;C08L21/00 |
主分类号 |
C08G77/392 |
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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