JP2012237007A5 - - Google Patents
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- JP2012237007A5 JP2012237007A5 JP2012176819A JP2012176819A JP2012237007A5 JP 2012237007 A5 JP2012237007 A5 JP 2012237007A5 JP 2012176819 A JP2012176819 A JP 2012176819A JP 2012176819 A JP2012176819 A JP 2012176819A JP 2012237007 A5 JP2012237007 A5 JP 2012237007A5
- Authority
- JP
- Japan
- Prior art keywords
- solvent
- silicone rubber
- resistant silicone
- rubber composition
- composition according
- 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.)
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Claims (8)
（式中、
Ｒは、独立して、Ｒ１又はＲ２であり、Ｒのうち、少なくとも２個はＲ１であり、
Ｒ１は、独立して、Ｃ２−Ｃ６アルケニル基であり、
Ｒ２は、独立して、Ｃ１−Ｃ６アルキル基又はフェニル基であり、
ｎは、平均値で１０〜２０００である）で示される直鎖状ポリオルガノシロキサン １００重量部；
（Ｂ）ケイ素原子に結合した水素原子を分子中に２個を越える数で有するポリオルガノハイドロジェンシロキサン （Ａ）に存在するアルケニル基１個に対するケイ素原子に結合した水素原子の数が、０．５〜１０．０になる量；
（Ｃ）白金族金属化合物 白金族金属原子を、（Ａ）の量に対して０．１〜１，０００重量ｐｐｍ含有する量；並びに
（Ｄ）平均粒径１〜１００μmであり、かつアスペクト比２０〜２５０であるマイカ粉 ２０〜２００重量部
を含む、耐溶剤性シリコーンゴム組成物であって、
組成物を１５０℃で３０分加熱して硬化させた硬化物を、２３℃でキシレン中に浸漬し、７２時間経過後に取り出したとき、硬化物の浸漬前後の体積変化率が６〜５０vol％であることを特徴とする組成物。 (A) Formula (I):
(Where
R is independently R 1 or R 2 , of which at least two are R 1 ,
R 1 is independently a C 2 -C 6 alkenyl group,
R 2 is independently a C 1 -C 6 alkyl group or a phenyl group ,
n is an average value of 10 to 2000) 100 parts by weight of a linear polyorganosiloxane represented by:
(B) Polyorganohydrogensiloxane having more than two hydrogen atoms bonded to silicon atoms in the molecule The number of hydrogen atoms bonded to silicon atoms for one alkenyl group present in (A) is 0.00. An amount of 5 to 10.0;
(C) Platinum group metal compound An amount containing 0.1 to 1,000 ppm by weight of platinum group metal atom relative to the amount of (A); and (D) An average particle diameter of 1 to 100 μm and an aspect ratio A solvent-resistant silicone rubber composition comprising 20 to 200 parts by weight of mica powder that is 20 to 250 ,
When the cured product cured by heating the composition at 150 ° C. for 30 minutes is immersed in xylene at 23 ° C. and taken out after 72 hours, the volume change rate before and after the immersion of the cured product is 6 to 50 vol%. A composition characterized by being .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012176819A JP2012237007A (en) | 2012-08-09 | 2012-08-09 | Solvent resistant silicone rubber composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012176819A JP2012237007A (en) | 2012-08-09 | 2012-08-09 | Solvent resistant silicone rubber composition |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007313117A Division JP5080224B2 (en) | 2007-12-04 | 2007-12-04 | Solvent resistant silicone rubber composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2012237007A JP2012237007A (en) | 2012-12-06 |
| JP2012237007A5 true JP2012237007A5 (en) | 2013-07-04 |
Family
ID=47460179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012176819A Pending JP2012237007A (en) | 2012-08-09 | 2012-08-09 | Solvent resistant silicone rubber composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2012237007A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016151583A (en) * | 2015-02-16 | 2016-08-22 | ナガセケムテックス株式会社 | Positive type photosensitive resin composition |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5380770A (en) * | 1992-04-09 | 1995-01-10 | General Electric Company | Heat cured silicone rubber compositions containing a potassium aluminosilicate filler which provides resistance to hydrocarbon oils and adjustable shrinkage |
| JP3111837B2 (en) * | 1994-10-31 | 2000-11-27 | 信越化学工業株式会社 | Fire resistant silicone rubber composition |
| JP2002105317A (en) * | 2000-09-28 | 2002-04-10 | Dow Corning Toray Silicone Co Ltd | Composition for fire-resistant silicone rubber and fire- resistant silicone rubber |
| JP2005008657A (en) * | 2003-06-16 | 2005-01-13 | Ge Toshiba Silicones Co Ltd | Low-moisture permeable polyorganosiloxane composition |
| JP5080224B2 (en) * | 2007-12-04 | 2012-11-21 | モメンティブ・パフォーマンス・マテリアルズ・ジャパン合同会社 | Solvent resistant silicone rubber composition |
-
2012
- 2012-08-09 JP JP2012176819A patent/JP2012237007A/en active Pending
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