JPS56133327A - Flame-retardant liquid rubber composition - Google Patents
Flame-retardant liquid rubber compositionInfo
- Publication number
- JPS56133327A JPS56133327A JP3637180A JP3637180A JPS56133327A JP S56133327 A JPS56133327 A JP S56133327A JP 3637180 A JP3637180 A JP 3637180A JP 3637180 A JP3637180 A JP 3637180A JP S56133327 A JPS56133327 A JP S56133327A
- Authority
- JP
- Japan
- Prior art keywords
- liquid rubber
- flame
- equivalent
- formula
- resistance
- 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.)
- Granted
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
PURPOSE: To prepare the titled composition giving a cured product having excellent flame-retardance, electrical insulation, water-resistance, heat-resistance, etc., by compounding hydrated alumina, etc. to a liquid rubber composed of hydrogenated polyhydroxybutadiene polymer, an isocyanate compound, etc.
CONSTITUTION: (A) 100pts.wt. of hydrogenated polyhydroxybutadiene polymer is compounded with (B) 5W40pts.wt. of a bishydroxy compound of formula I (R is 2W4C alkyl), (C) 60W150pts.wt. of hydrated alumina, (D) 5W50pts.wt. of magnesium hydroxide, and (E) a curing agent comprising an isocyanate compound of formula II (R1WR3 are lower alkyl; n is 1W4). The amount of the component (E) is pref. 0.9W1.8 equivalent as the isocyanate group based on 1 equivalent of the hydroxyl group in the components (A) and (B).
EFFECT: It can be applied to any electrical apparatus by vacuum casting or impregnation process without using high temperature and pressure.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3637180A JPS56133327A (en) | 1980-03-22 | 1980-03-22 | Flame-retardant liquid rubber composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3637180A JPS56133327A (en) | 1980-03-22 | 1980-03-22 | Flame-retardant liquid rubber composition |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56133327A true JPS56133327A (en) | 1981-10-19 |
JPS637205B2 JPS637205B2 (en) | 1988-02-16 |
Family
ID=12467972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3637180A Granted JPS56133327A (en) | 1980-03-22 | 1980-03-22 | Flame-retardant liquid rubber composition |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56133327A (en) |
-
1980
- 1980-03-22 JP JP3637180A patent/JPS56133327A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS637205B2 (en) | 1988-02-16 |
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