JPS5624419A - Preparation of polyester molding material - Google Patents

Preparation of polyester molding material

Info

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
Application number
JP9920379A
Other languages
Japanese (ja)
Inventor
Shigeo Kobayashi
Nori Yoshihara
Kiyoji Nanbu
Yukio Goto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyobo Co Ltd
Original Assignee
Toyobo Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toyobo Co Ltd filed Critical Toyobo Co Ltd
Priority to JP9920379A priority Critical patent/JPS5624419A/en
Publication of JPS5624419A publication Critical patent/JPS5624419A/en
Pending legal-status Critical Current

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
JP9920379A 1979-08-02 1979-08-02 Preparation of polyester molding material Pending JPS5624419A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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