公开(公告)号：US06737495B2

公开(公告)日：2004-05-18

申请号：US10149719

申请日：2002-10-02

申请人： Christian Bordone ,  Jean-Roger Desmurs ,  Léon Ghosez ,  José Martins ,  Gérard Mignani

发明人： Christian Bordone ,  Jean-Roger Desmurs ,  Léon Ghosez ,  José Martins ,  Gérard Mignani

IPC分类号： C08G7708

CPC分类号： C08G77/08

摘要： The invention concerns a method for preparing polyorganosiloxanes (POS) by (a) condensation polymerisation of monosilanes and/or acyclic siloxanes bearing reactive Si—OR units with R═H, or alkyl, or by (b) redistribution/condensation polymerisation of siloxane compounds based on cyclosiloxanes and/or acyclic siloxanes capable of bearing reactive Si—OR units such as defined above, Si—H or Si-alkenyl units, in the presence of an acid catalyst. Said method is characterised in that it consists in using at least a catalyst of the following formula (I) (CmF2m+1SO2)nA wherein: m is an integer not less than 1; n is an integer equal to 1 or 2 and A represents OH, NH2 or NH with: (i) n=1 and A=OH or (ii) n=1 and A=NH2 or (iii) n=2 and A=NH; provided that, when said catalyst corresponds to formula (I) (i), it is brought in the presence of an inert support in mass amount QM, expressed in weight % relative to the total mass (a) of monosilanes and/or acyclic siloxanes or (b) of the initial siloxane compounds, which is not more than 1.5. The invention also concerns a catalyst for use in the preparation of POS by said process (a) or (b) consisting of at least a compound selected among the compound of formula I(ii), the compound of formula I(iii) and mixtures thereof.

摘要翻译： 本发明涉及通过以下方法制备聚有机硅氧烷（POS）的方法：（a）使具有R = H或烷基的反应性Si-OR单元的单硅烷和/或非环状硅氧烷的缩聚，或（b）硅氧烷化合物的再分配/缩聚 基于在酸催化剂存在下能够承载如上所定义的活性Si-OR单元的环硅氧烷和/或无环硅氧烷，Si-H或Si-链烯基单元。 所述方法的特征在于使用至少一种下式（I）（CmF2m + 1SO2）nA的催化剂，其中：m是不小于1的整数; n是等于1或2的整数，A表示OH，NH 2或NH，其中：（i）n = 1且A = OH或（ii）n = 1，A = NH 2或（iii）n = 2，A = NH; 条件是当所述催化剂对应于式（I）（i）时，其以质量QM的惰性载体存在，以相对于单硅烷和/或非环状硅氧烷的总质量（a）表示的重量％ 或（b）不超过1.5的初始硅氧烷化合物。 本发明还涉及用于制备POS的催化剂，所述方法（a）或（b）由至少一种选自式I（ii）的化合物，式I（ⅲ）的化合物和式 其中。