JPS57153018A - Polyester resin molding material - Google Patents
Polyester resin molding materialInfo
- Publication number
- JPS57153018A JPS57153018A JP4061981A JP4061981A JPS57153018A JP S57153018 A JPS57153018 A JP S57153018A JP 4061981 A JP4061981 A JP 4061981A JP 4061981 A JP4061981 A JP 4061981A JP S57153018 A JPS57153018 A JP S57153018A
- Authority
- JP
- Japan
- Prior art keywords
- polyester resin
- agent
- molding material
- resin molding
- crosslinking agent
- 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
Abstract
PURPOSE: To improve the thermal discoloration resistance, by adding ε-caprolactam at a specified ratio to a polyester resin molding material containing a normally liquid crosslinking agent.
CONSTITUTION: In a polyester resin molding material prepared by adding a curing agent, filler, lubricant, coloring agent and additive to a polyester resin, iodine value 80W110, containing 5W25wt% normally liquid crosslinking agent; 8W16wt% polyester resin and 0.2W1wt% ε-caprolactam are mixed. If necessary, 0W1pt.wt. per 100pts.wt. polyester, phosphite ester such as triphenyl phosphite or tristearyl phosphite is further added. If the amount of the phosphite ester exceeds 1pt.wt. the thermal discoloration resistance is adversely affected. If necessary, 0W1pt.wt., per 100pts.wt. polyester resin, silane coupling agent is further added. It is requrired that the crosslinking agent be liquid at normal temperature. If the agent is solid, the productivity is decreased markedly because the amount of the resin which can be added is small.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4061981A JPS57153018A (en) | 1981-03-19 | 1981-03-19 | Polyester resin molding material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4061981A JPS57153018A (en) | 1981-03-19 | 1981-03-19 | Polyester resin molding material |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57153018A true JPS57153018A (en) | 1982-09-21 |
Family
ID=12585540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4061981A Pending JPS57153018A (en) | 1981-03-19 | 1981-03-19 | Polyester resin molding material |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57153018A (en) |
-
1981
- 1981-03-19 JP JP4061981A patent/JPS57153018A/en active Pending
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