发明名称 |
1,3,5-TRIMETHYL-1,3,5-TRIS (HEXAFLUOROALKYL) CYCLOTRISILOXANES FOR PREPARING HEAT AND OIL-BENZENE RESISTANT FLUORINE CONTAINING SILOXANE POLYMERS |
摘要 |
FIELD: synthetic rubber industry, more particularly manufacture of fluorine containing siloxane polymers. SUBSTANCE: claimed invention describes 1,3,5-trimethyl-1,3,5-tris (hexafluoroalkyl) cyclotrisiloxanes of general formula: [RSi(CH))]wherein Risprepared by hydrolysis of respective methyl (hexafluoroalkyl) dichlorosilanes with sodium bicarbonate in the presence of pyridine in acetone at 20-25 C. EFFECT: improved heat- and oil-benzene resistance of the title compounds. |
申请公布号 |
RU95110991(A) |
申请公布日期 |
1997.04.20 |
申请号 |
RU19950110991 |
申请日期 |
1995.06.27 |
申请人 |
GOSUDARSTVENNOE PREDPRIJATIE NAUCHNO-ISSLEDOVATEL'SKIJ INSTITUT SINTETICHESKOGO KAUCHUKA IM.AKAD.S.V.LEBEDEVA |
发明人 |
KHOROSHAVINA JU.V.;NIKOLAEV G.A.;LOBKOV V.D.;KORMER V.A. |
分类号 |
C07F7/21;C08G77/38 |
主分类号 |
C07F7/21 |
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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