JPS5647427A - Preparation of transparent elastic polyester block copolymer - Google Patents
Preparation of transparent elastic polyester block copolymerInfo
- Publication number
- JPS5647427A JPS5647427A JP12416079A JP12416079A JPS5647427A JP S5647427 A JPS5647427 A JP S5647427A JP 12416079 A JP12416079 A JP 12416079A JP 12416079 A JP12416079 A JP 12416079A JP S5647427 A JPS5647427 A JP S5647427A
- Authority
- JP
- Japan
- Prior art keywords
- ingredient
- block copolymer
- glycol
- preparation
- polyether ester
- 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
Links
Abstract
PURPOSE: To improve transparency of polyether ester block copolymer while preserving its improved properties, by reacting a specific polyether ester block copolymer with polycarbonate.
CONSTITUTION: (A) A polyether ester block copolymer comprising (i) an ester unit consisting of a carboxylic acid ingredient of an aromatic dicarboxylic acid as a main ingredient and a glycol ingredient of 2W10C glycol as a main ingredient and (ii) an ether ester unit consisting of an acid ingredient of an aromatic dicarboxylic acid as a main ingredient and a poly(oxyalkylene) glycol ingredient having an average molecular weight 350W6,000 and an atom number ratio of carbon to oxygen of 2.0W10.5:1, and 5W85wt%, based on total weight ingredient ii is reacted with (B) polycarbonate in a weight ratio of A/B of 95/5W30/70 under reduced pressure preferably at 220W250°C.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12416079A JPS5647427A (en) | 1979-09-28 | 1979-09-28 | Preparation of transparent elastic polyester block copolymer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12416079A JPS5647427A (en) | 1979-09-28 | 1979-09-28 | Preparation of transparent elastic polyester block copolymer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5647427A true JPS5647427A (en) | 1981-04-30 |
JPS6239167B2 JPS6239167B2 (en) | 1987-08-21 |
Family
ID=14878419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12416079A Granted JPS5647427A (en) | 1979-09-28 | 1979-09-28 | Preparation of transparent elastic polyester block copolymer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5647427A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5679127A (en) * | 1979-10-23 | 1981-06-29 | Gen Electric | Block carbonate carboxylate copolyester and its manufacture |
JPS59217039A (en) * | 1983-05-24 | 1984-12-07 | Kawasaki Heavy Ind Ltd | Hydraulic clutch connection control device of power shift type transmission gear |
JPS62167961A (en) * | 1985-08-26 | 1987-07-24 | Mitsubishi Motors Corp | Controller for automatic transmission for vehicle |
JPH01299351A (en) * | 1988-05-27 | 1989-12-04 | Aisin Aw Co Ltd | Device for controlling hydraulic pressure of automatic transmission |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS491639A (en) * | 1972-04-18 | 1974-01-09 | ||
JPS4997892A (en) * | 1973-01-09 | 1974-09-17 |
-
1979
- 1979-09-28 JP JP12416079A patent/JPS5647427A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS491639A (en) * | 1972-04-18 | 1974-01-09 | ||
JPS4997892A (en) * | 1973-01-09 | 1974-09-17 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5679127A (en) * | 1979-10-23 | 1981-06-29 | Gen Electric | Block carbonate carboxylate copolyester and its manufacture |
JPS59217039A (en) * | 1983-05-24 | 1984-12-07 | Kawasaki Heavy Ind Ltd | Hydraulic clutch connection control device of power shift type transmission gear |
JPS62167961A (en) * | 1985-08-26 | 1987-07-24 | Mitsubishi Motors Corp | Controller for automatic transmission for vehicle |
JPH01299351A (en) * | 1988-05-27 | 1989-12-04 | Aisin Aw Co Ltd | Device for controlling hydraulic pressure of automatic transmission |
Also Published As
Publication number | Publication date |
---|---|
JPS6239167B2 (en) | 1987-08-21 |
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