JPS5624419A - Preparation of polyester molding material - Google Patents
Preparation of polyester molding materialInfo
- Publication number
- JPS5624419A JPS5624419A JP9920379A JP9920379A JPS5624419A JP S5624419 A JPS5624419 A JP S5624419A JP 9920379 A JP9920379 A JP 9920379A JP 9920379 A JP9920379 A JP 9920379A JP S5624419 A JPS5624419 A JP S5624419A
- Authority
- JP
- Japan
- Prior art keywords
- molding material
- molecule
- aliphatic hydrocarbon
- polyester molding
- polyoxyalkylene chain
- 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 prepare a polyester molding material having high crystallinity and excellent moldability and mold release characteristics, by thermally reacting polyethylene terephthalate with an epoxy compound having epoxy groups and a polyoxyalkylene chain in the molecule.
CONSTITUTION: A polyester consisting of ≥80mol% of ethylene terephthalate unit and having an intrinsic viscosity of ≥0.4 is compounded with 0.1W10wt% of an epoxy compound preferably expressed by the formula (A is H, glycidyl or 1W5C aliphatic hydrocarbon; B is 2W5C aliphatic hydrocarbon; n is integer of ≥2) and having epoxy groups and a polyoxyalkylene chain in the molecule, preferably at molten state, solidified and reacted at the solid state by heating.
EFFECT: The material has high crystallization rate and it is moldable at lower temperatures.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9920379A JPS5624419A (en) | 1979-08-02 | 1979-08-02 | Preparation of polyester molding material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9920379A JPS5624419A (en) | 1979-08-02 | 1979-08-02 | Preparation of polyester molding material |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5624419A true JPS5624419A (en) | 1981-03-09 |
Family
ID=14241083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9920379A Pending JPS5624419A (en) | 1979-08-02 | 1979-08-02 | Preparation of polyester molding material |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5624419A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01242618A (en) * | 1988-03-24 | 1989-09-27 | Polyplastics Co | Improved polyester resin, preparation thereof and molded item obtained therefrom |
EP0763567A4 (en) * | 1995-03-10 | 1999-12-15 | Kanegafuchi Chemical Ind | Flame-retardant polyethylene terephthalate resin compositions |
EP0764692A4 (en) * | 1995-02-23 | 1999-12-15 | Kanegafuchi Chemical Ind | Polyethylene terephthalate resin composition |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5269459A (en) * | 1975-12-09 | 1977-06-09 | Teijin Ltd | Hollow molded articles of polyester block copolymers |
-
1979
- 1979-08-02 JP JP9920379A patent/JPS5624419A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5269459A (en) * | 1975-12-09 | 1977-06-09 | Teijin Ltd | Hollow molded articles of polyester block copolymers |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01242618A (en) * | 1988-03-24 | 1989-09-27 | Polyplastics Co | Improved polyester resin, preparation thereof and molded item obtained therefrom |
EP0764692A4 (en) * | 1995-02-23 | 1999-12-15 | Kanegafuchi Chemical Ind | Polyethylene terephthalate resin composition |
EP0763567A4 (en) * | 1995-03-10 | 1999-12-15 | Kanegafuchi Chemical Ind | Flame-retardant polyethylene terephthalate resin compositions |
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