JPS57101016A - Preparation of elastic polyurethane - Google Patents
Preparation of elastic polyurethaneInfo
- Publication number
- JPS57101016A JPS57101016A JP55177188A JP17718880A JPS57101016A JP S57101016 A JPS57101016 A JP S57101016A JP 55177188 A JP55177188 A JP 55177188A JP 17718880 A JP17718880 A JP 17718880A JP S57101016 A JPS57101016 A JP S57101016A
- Authority
- JP
- Japan
- Prior art keywords
- diisocyanate
- diol
- molecular weight
- spinning
- dimer
- 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 the spinning and thermal properties of the titled product, by adding an adequate amount of a diisocyanate dimer to the continuous reaction and spinning system of a polymeric diol having a specific moleculr weight with a diol and diisocyanate as principal components.
CONSTITUTION: (A) A polymeric diol having a molecular weight ≥750, e.g. polyester glycol (OH-terminated polyethylene adipate, etc.) and a polyether glycol (a ring opening polymer of ethylene oxide, etc.) are mixed with (B) a low- molecular weight diol having a molecular weight ≤500, e.g. 1,4-butanediol, and (C) a diisocyanate, e.g. diphenylmethane diisocyanate, at a molar ratio between the component (C) and the sum of the components (A) and (B) of preferably 1.02W1.15, and a diisocyanate dimer, e.g. tolylene diisocyanate dimer, in an amount ≥0.3wt% is added thereto to carry out the continuous reaction and spinning.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55177188A JPS57101016A (en) | 1980-12-17 | 1980-12-17 | Preparation of elastic polyurethane |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55177188A JPS57101016A (en) | 1980-12-17 | 1980-12-17 | Preparation of elastic polyurethane |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57101016A true JPS57101016A (en) | 1982-06-23 |
JPS6353287B2 JPS6353287B2 (en) | 1988-10-21 |
Family
ID=16026709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55177188A Granted JPS57101016A (en) | 1980-12-17 | 1980-12-17 | Preparation of elastic polyurethane |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57101016A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0972864A1 (en) * | 1998-01-30 | 2000-01-19 | Nisshinbo Industries, Inc. | Process for producing polyurethane elastomer and elastic filament |
WO2004053218A1 (en) * | 2002-12-12 | 2004-06-24 | Nisshinbo Industries, Inc. | Blended woven or knitted fabrics containing polyurethane elastic fibers and process for the production thereof |
US6852823B2 (en) | 2002-08-09 | 2005-02-08 | E. I. Du Pont De Nemours And Company | Polyurethane and polyurethane-urea elastomers from polytrimethylene ether glycol |
-
1980
- 1980-12-17 JP JP55177188A patent/JPS57101016A/en active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0972864A1 (en) * | 1998-01-30 | 2000-01-19 | Nisshinbo Industries, Inc. | Process for producing polyurethane elastomer and elastic filament |
US6252031B1 (en) | 1998-01-30 | 2001-06-26 | Nisshinbo Industries, Inc. | Production process for producing polyurethane elastic material and elastic yarn |
EP0972864A4 (en) * | 1998-01-30 | 2002-11-06 | Nisshin Spinning | Process for producing polyurethane elastomer and elastic filament |
US6852823B2 (en) | 2002-08-09 | 2005-02-08 | E. I. Du Pont De Nemours And Company | Polyurethane and polyurethane-urea elastomers from polytrimethylene ether glycol |
WO2004053218A1 (en) * | 2002-12-12 | 2004-06-24 | Nisshinbo Industries, Inc. | Blended woven or knitted fabrics containing polyurethane elastic fibers and process for the production thereof |
Also Published As
Publication number | Publication date |
---|---|
JPS6353287B2 (en) | 1988-10-21 |
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