JPS5765719A - Production of thermoplastic polyurethane - Google Patents
Production of thermoplastic polyurethaneInfo
- Publication number
- JPS5765719A JPS5765719A JP55139314A JP13931480A JPS5765719A JP S5765719 A JPS5765719 A JP S5765719A JP 55139314 A JP55139314 A JP 55139314A JP 13931480 A JP13931480 A JP 13931480A JP S5765719 A JPS5765719 A JP S5765719A
- Authority
- JP
- Japan
- Prior art keywords
- thermoplastic polyurethane
- component
- polycaprolactonediol
- diol
- diisocyanate
- 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 obtain a thermoplastic polyurethane excellent in tensile strength, tear strength, etc., at low cost, by adding polycaprolactonediol as an improver to polyoxypropylene glycol and emplying the mixture as the polyol component.
CONSTITUTION: The following components are emplyed as the principal materials: (A) a diol consisting of 75W90wt% polyoxypropylene glycol, MW1,000W3,000, and 25W10wt% polycaprolactonediol, MW600W4,000, (B) a chain extender consisting of a low-MW diol, e.g., propylene glycol or 1,2-butanediol, (C) a diisocyanate compound, e.g., tolylene diisocyanate or diphenylmethane diisocyanate. Next, the principal materials are reacted under conditions providing a weight ratio, component A/(components B+ component C), of 0.35W0.65, and an isocyanate index of 0.9W1.1 to obtain the thermoplastic polyurethane of the purpose.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55139314A JPS5765719A (en) | 1980-10-07 | 1980-10-07 | Production of thermoplastic polyurethane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55139314A JPS5765719A (en) | 1980-10-07 | 1980-10-07 | Production of thermoplastic polyurethane |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5765719A true JPS5765719A (en) | 1982-04-21 |
Family
ID=15242412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55139314A Pending JPS5765719A (en) | 1980-10-07 | 1980-10-07 | Production of thermoplastic polyurethane |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5765719A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5930574A (en) * | 1982-08-14 | 1984-02-18 | Konishiroku Photo Ind Co Ltd | Cleaning blade for electrophotographic copying machine |
-
1980
- 1980-10-07 JP JP55139314A patent/JPS5765719A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5930574A (en) * | 1982-08-14 | 1984-02-18 | Konishiroku Photo Ind Co Ltd | Cleaning blade for electrophotographic copying machine |
JPH0341833B2 (en) * | 1982-08-14 | 1991-06-25 |
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