JPS531293A - Preparation of unsaturated polyesters - Google Patents

Preparation of unsaturated polyesters

Info

Publication number
JPS531293A
JPS531293A JP7589176A JP7589176A JPS531293A JP S531293 A JPS531293 A JP S531293A JP 7589176 A JP7589176 A JP 7589176A JP 7589176 A JP7589176 A JP 7589176A JP S531293 A JPS531293 A JP S531293A
Authority
JP
Japan
Prior art keywords
preparation
unsaturated polyesters
dicyclopentadienes
prepare
reaction system
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
Application number
JP7589176A
Other languages
Japanese (ja)
Other versions
JPS5533813B2 (en
Inventor
Kanemasa Nomaguchi
Shunji Masuda
Isao Uchigasaki
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.)
Showa Denko Materials Co Ltd
Original Assignee
Hitachi Chemical 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 Hitachi Chemical Co Ltd filed Critical Hitachi Chemical Co Ltd
Priority to JP7589176A priority Critical patent/JPS531293A/en
Publication of JPS531293A publication Critical patent/JPS531293A/en
Publication of JPS5533813B2 publication Critical patent/JPS5533813B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Polyesters Or Polycarbonates (AREA)

Abstract

PURPOSE: To prepare an unsaturated polyester having an excellent curing reactivity with little discoloration, by adding dicyclopentadienes to the ring opening polymerization reaction system of an acid anhydride with an alkylene oxide.
COPYRIGHT: (C)1978,JPO&Japio
JP7589176A 1976-06-25 1976-06-25 Preparation of unsaturated polyesters Granted JPS531293A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7589176A JPS531293A (en) 1976-06-25 1976-06-25 Preparation of unsaturated polyesters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7589176A JPS531293A (en) 1976-06-25 1976-06-25 Preparation of unsaturated polyesters

Publications (2)

Publication Number Publication Date
JPS531293A true JPS531293A (en) 1978-01-09
JPS5533813B2 JPS5533813B2 (en) 1980-09-03

Family

ID=13589378

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7589176A Granted JPS531293A (en) 1976-06-25 1976-06-25 Preparation of unsaturated polyesters

Country Status (1)

Country Link
JP (1) JPS531293A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111909366A (en) * 2020-08-13 2020-11-10 天津大学 Method for preparing polyester by catalyzing ring-opening alternate copolymerization of cyclic anhydride/epoxide through potassium acetate

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1000534A (en) * 1961-06-02 1965-08-04 Huels Chemische Werke Ag Production of linear unsaturated polyesters
US3347806A (en) * 1951-01-28 1967-10-17 Albert Ag Chem Werke New dicyclopentadiene modified unsaturated polyesters and process for preparing them
JPS5067387A (en) * 1973-10-19 1975-06-06
JPS5165198A (en) * 1974-12-04 1976-06-05 Hitachi Chemical Co Ltd FUHOWAHORIESUTERUNOSEIZOHO

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3347806A (en) * 1951-01-28 1967-10-17 Albert Ag Chem Werke New dicyclopentadiene modified unsaturated polyesters and process for preparing them
GB1000534A (en) * 1961-06-02 1965-08-04 Huels Chemische Werke Ag Production of linear unsaturated polyesters
JPS5067387A (en) * 1973-10-19 1975-06-06
JPS5165198A (en) * 1974-12-04 1976-06-05 Hitachi Chemical Co Ltd FUHOWAHORIESUTERUNOSEIZOHO

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111909366A (en) * 2020-08-13 2020-11-10 天津大学 Method for preparing polyester by catalyzing ring-opening alternate copolymerization of cyclic anhydride/epoxide through potassium acetate
CN111909366B (en) * 2020-08-13 2021-08-31 天津大学 Method for preparing polyester by catalyzing ring-opening alternate copolymerization of cyclic anhydride/epoxide through potassium acetate

Also Published As

Publication number Publication date
JPS5533813B2 (en) 1980-09-03

Similar Documents

Publication Publication Date Title
JPS51127031A (en) Preparation of polyethylene terephthalate
JPS5225898A (en) Process for producing copolyesters
JPS5345395A (en) Preparation of polyester
JPS531293A (en) Preparation of unsaturated polyesters
JPS5422498A (en) Preparation of unsaturated polyester modified with epoxy resin
JPS53109597A (en) Preparation of polyester
JPS5259700A (en) Preparation of acid anhydride ester polymers
JPS5249292A (en) Process for preparing polyesters
JPS539900A (en) Improved preparation of ring opening polymers
JPS53128696A (en) Preparation of polyester
JPS523693A (en) Process for preparing novel plyesters having terminal carboxyl groups
JPS51145593A (en) Preparation of aromatic polyester
JPS5363491A (en) Unsaturated polyester resin composition
JPS5263254A (en) Preparation of polyesters containing titanium oxide
JPS5343797A (en) Preparation of polyester
JPS5254795A (en) Preparation of soft polyesters having transparency
JPS56110720A (en) Preparation of polyester of high polymerization degree
JPS53130796A (en) Preparation of polyester
JPS51127014A (en) Process for preparation of terpenealcoholacetates
JPS5421495A (en) Preparation of amino resin adhesive
JPS5421496A (en) Preparation of polyester having high polymerization degree
JPS524593A (en) Preparation of heat-resistant resin
JPS5219633A (en) Process of esterification
JPS5372097A (en) Preparation of modified unsaturated polyester
JPS53126097A (en) Preparation of halogen-containing copolyester