JPS5636514A - Production of urethane foam - Google Patents
Production of urethane foamInfo
- Publication number
- JPS5636514A JPS5636514A JP11381579A JP11381579A JPS5636514A JP S5636514 A JPS5636514 A JP S5636514A JP 11381579 A JP11381579 A JP 11381579A JP 11381579 A JP11381579 A JP 11381579A JP S5636514 A JPS5636514 A JP S5636514A
- Authority
- JP
- Japan
- Prior art keywords
- polyol
- foam
- mixture
- polymer
- organic polyisocyanate
- 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
Landscapes
- Polyurethanes Or Polyureas (AREA)
Abstract
PURPOSE: To produce a void-free urethane foam having excellent dimentional stability, by expanding a mixture of an organic polyisocyanate and a polyol in the presence of a specified polymer.
CONSTITUTION: An oil-soluble or polyol-soluble polymer, number-average MW 300W20,000, polymerization degree 2W160, is obtained by reacting a 4W30C natural or synthetic (un)-saturated aliphatic alcohol with a monoethylenically unsaturated monomer such as methyl methacrylate or styrene in the presence of a polymerization catalyst. Then, to a mixture of an organic polyisocyanate and a polyol are added 0.01W10wt%, based on the polyol, of said polymer, a blowing agent and, if necessary, a catalyst and a surfactant, and the resulting mixture is allowed to expand.
EFFECT: There can be obtained a foam having a uniform cellular structure and good mold flow and being free from voids.
USE: Armrest, shock-absorbing foam, sound-absorbing foam
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11381579A JPS5636514A (en) | 1979-09-04 | 1979-09-04 | Production of urethane foam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11381579A JPS5636514A (en) | 1979-09-04 | 1979-09-04 | Production of urethane foam |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5636514A true JPS5636514A (en) | 1981-04-09 |
Family
ID=14621735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11381579A Pending JPS5636514A (en) | 1979-09-04 | 1979-09-04 | Production of urethane foam |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5636514A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4442236A (en) * | 1982-08-24 | 1984-04-10 | Bayer Aktiengesellschaft | Process for the production of molded articles |
US6136879A (en) * | 1997-10-28 | 2000-10-24 | Tokai Rubber Industries, Ltd. | Soft polyurethane foam, method of producing the same and vehicle interior member using the same |
-
1979
- 1979-09-04 JP JP11381579A patent/JPS5636514A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4442236A (en) * | 1982-08-24 | 1984-04-10 | Bayer Aktiengesellschaft | Process for the production of molded articles |
US6136879A (en) * | 1997-10-28 | 2000-10-24 | Tokai Rubber Industries, Ltd. | Soft polyurethane foam, method of producing the same and vehicle interior member using the same |
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