JPS56133335A - Preparation of high-polymer organopolysiloxane - Google Patents
Preparation of high-polymer organopolysiloxaneInfo
- Publication number
- JPS56133335A JPS56133335A JP3730280A JP3730280A JPS56133335A JP S56133335 A JPS56133335 A JP S56133335A JP 3730280 A JP3730280 A JP 3730280A JP 3730280 A JP3730280 A JP 3730280A JP S56133335 A JPS56133335 A JP S56133335A
- Authority
- JP
- Japan
- Prior art keywords
- formula
- diorganopolysiloxane
- dimethyl
- preparation
- compound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Silicon Polymers (AREA)
Abstract
PURPOSE: To obtain a high-polymer raw rubberlike organopolysiloxane readily, by reacting a mixture of specific dimethyldiamidosilanes with a diorganopolysiloxane having hydroxyl groups at both ends of the molecular chain.
CONSTITUTION: A diorganopolysiloxane having a relatively low polymerization degree and both ends of the molecular chain terminated with hydroxyl groups is reacted with a mixture of a dimethyl-di(N-methylacetamido)silane expressed by formula I with dimethyl-di(N-ethylacetamido)silane expressed by formula II. The mixing weight ratio between the compound of formula I and the compound of formula II is preferably 0.3W3.0.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3730280A JPS56133335A (en) | 1980-03-24 | 1980-03-24 | Preparation of high-polymer organopolysiloxane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3730280A JPS56133335A (en) | 1980-03-24 | 1980-03-24 | Preparation of high-polymer organopolysiloxane |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56133335A true JPS56133335A (en) | 1981-10-19 |
Family
ID=12493903
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3730280A Pending JPS56133335A (en) | 1980-03-24 | 1980-03-24 | Preparation of high-polymer organopolysiloxane |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56133335A (en) |
-
1980
- 1980-03-24 JP JP3730280A patent/JPS56133335A/en active Pending
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