JPS5586810A - Production of flame-retardant rigid urethane foam with low smoking - Google Patents
Production of flame-retardant rigid urethane foam with low smokingInfo
- Publication number
- JPS5586810A JPS5586810A JP15845978A JP15845978A JPS5586810A JP S5586810 A JPS5586810 A JP S5586810A JP 15845978 A JP15845978 A JP 15845978A JP 15845978 A JP15845978 A JP 15845978A JP S5586810 A JPS5586810 A JP S5586810A
- Authority
- JP
- Japan
- Prior art keywords
- urethane foam
- hulls
- rigid urethane
- flame
- production
- 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 obtain a flame-retardant rigid urethane foam with low smoking economically, by blending an organic isocyanate with polyol, a blowing agent, and rice or wheat hulls.
CONSTITUTION: In the production of a rigid urethane foam from an organic isocyanate, polyol, and a blowing agent as main raw materials, rise and/or wheat hulls are mixted with the raw material. The ratio of chemical equivalent of the organic isocyanate to polyol is preferably 5:1W1:1. The rice or wheat hulls are preferably dried and grinded to particle diameters of not more than 1.0mm. 5wt. or more based on the raw material of the hulls improves flame retardancy and the prevention of black smoke, and especially 10W30wt% of the hulls is desirable.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15845978A JPS5586810A (en) | 1978-12-25 | 1978-12-25 | Production of flame-retardant rigid urethane foam with low smoking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15845978A JPS5586810A (en) | 1978-12-25 | 1978-12-25 | Production of flame-retardant rigid urethane foam with low smoking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5586810A true JPS5586810A (en) | 1980-07-01 |
Family
ID=15672196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15845978A Pending JPS5586810A (en) | 1978-12-25 | 1978-12-25 | Production of flame-retardant rigid urethane foam with low smoking |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5586810A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109153766A (en) * | 2016-05-24 | 2019-01-04 | 陶氏环球技术有限责任公司 | Polyurethane foam containing agricultural by-products |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5035295A (en) * | 1973-07-24 | 1975-04-03 |
-
1978
- 1978-12-25 JP JP15845978A patent/JPS5586810A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5035295A (en) * | 1973-07-24 | 1975-04-03 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109153766A (en) * | 2016-05-24 | 2019-01-04 | 陶氏环球技术有限责任公司 | Polyurethane foam containing agricultural by-products |
| US10844159B2 (en) * | 2016-05-24 | 2020-11-24 | Dow Global Technologies Llc | Polyurethane foams with agricultural by-products |
| CN109153766B (en) * | 2016-05-24 | 2021-05-04 | 陶氏环球技术有限责任公司 | Polyurethane foams containing agricultural by-products |
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