JPS54117557A - Ring opening polymer composition having improved oxidative stability - Google Patents
Ring opening polymer composition having improved oxidative stabilityInfo
- Publication number
- JPS54117557A JPS54117557A JP2357578A JP2357578A JPS54117557A JP S54117557 A JPS54117557 A JP S54117557A JP 2357578 A JP2357578 A JP 2357578A JP 2357578 A JP2357578 A JP 2357578A JP S54117557 A JPS54117557 A JP S54117557A
- Authority
- JP
- Japan
- Prior art keywords
- ring opening
- oxidative stability
- opening polymer
- improved oxidative
- polymer composition
- 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
- Compositions Of Macromolecular Compounds (AREA)
Abstract
PURPOSE: The title composition particularly having improved oxidative stability at comparatively high temperatures, obtained by adding a boron compound as a stabilizer to a polar group-containing norbornen derivative.
CONSTITUTION: A) 100 parts by wt. of a ring opening polymer obtained by ring opening polymerization of a norbornene derivative containing at least one polar group, or a blend of not less than 50 wt.% of the norbornene derivative and not more than 50 wt.% of a cycloolefin compound is blended with B) 0.1W50 parts by wt. of one or more boron compounds selected from the group consisting of B2O3, H3BO3, (R1OBO)3 and (OR2)3 (R1 is H or 1W10C hydrocarbon; R2 is 1W10C hydrocarbon) to give a ring opening polymer composition having improved oxidative stability.
EFFECT: Oxidative stability prevents thermal discoloration at 200W270°C and does not cause deterioration of mechanical properties in molding.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2357578A JPS54117557A (en) | 1978-03-03 | 1978-03-03 | Ring opening polymer composition having improved oxidative stability |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2357578A JPS54117557A (en) | 1978-03-03 | 1978-03-03 | Ring opening polymer composition having improved oxidative stability |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54117557A true JPS54117557A (en) | 1979-09-12 |
Family
ID=12114333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2357578A Pending JPS54117557A (en) | 1978-03-03 | 1978-03-03 | Ring opening polymer composition having improved oxidative stability |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54117557A (en) |
-
1978
- 1978-03-03 JP JP2357578A patent/JPS54117557A/en active Pending
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