JPS57187312A - Urethane foam - Google Patents
Urethane foamInfo
- Publication number
- JPS57187312A JPS57187312A JP56073881A JP7388181A JPS57187312A JP S57187312 A JPS57187312 A JP S57187312A JP 56073881 A JP56073881 A JP 56073881A JP 7388181 A JP7388181 A JP 7388181A JP S57187312 A JPS57187312 A JP S57187312A
- Authority
- JP
- Japan
- Prior art keywords
- benzyl ether
- resin
- phenol resin
- polyisocyanate
- urethane foam
- 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: A flame-retarding phenolic urethane foam having excellent heat-insulating property and a crumbling-resistant surface, prepared by reacting a benzyl ether type liquid phenol resin with a mixed polyisocyanate containing an aromatic type and an aliphatic type.
CONSTITUTION: The purpose urethane foam is prepared by reacting a phenol resin consisting mainly of a benzyl ether type liquid phenol resin containing benzyl ether groups, methylol groups and methylene groups with a mixed polyisocyanate consisting of below 95wt% aromatic polyisocyanate resin (e.g., toluene diisocyanate) and above 5wt% aliphatic polyisocyanate resin (e.g., hexamethylene diisocyanate) in the presence of a blowing agent, foam stabilizer and curing agent. As the benzyl ether type liquid phenol resin, there is preferred a resin having a methylol group/benzyl ether group ratio of about 0.5W2.5.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56073881A JPS57187312A (en) | 1981-05-15 | 1981-05-15 | Urethane foam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56073881A JPS57187312A (en) | 1981-05-15 | 1981-05-15 | Urethane foam |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57187312A true JPS57187312A (en) | 1982-11-18 |
JPS6332086B2 JPS6332086B2 (en) | 1988-06-28 |
Family
ID=13530984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56073881A Granted JPS57187312A (en) | 1981-05-15 | 1981-05-15 | Urethane foam |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57187312A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6397641A (en) * | 1986-10-13 | 1988-04-28 | Sharp Corp | Heat insulating material |
WO2009019812A1 (en) * | 2007-08-09 | 2009-02-12 | Nippon Polyurethane Industry Co., Ltd. | Polyisocyanates for producing rigid polyurethane foam and process for producing rigid polyurethane foam |
KR100953127B1 (en) * | 2008-08-12 | 2010-04-16 | 박재훈 | Method for manufacturing interior and exterior material using phenol resin |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS564622A (en) * | 1979-05-14 | 1981-01-19 | Ashland Oil Inc | Bonding agent composition* formed composition therefrom and manufacture of foundry mold using same |
-
1981
- 1981-05-15 JP JP56073881A patent/JPS57187312A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS564622A (en) * | 1979-05-14 | 1981-01-19 | Ashland Oil Inc | Bonding agent composition* formed composition therefrom and manufacture of foundry mold using same |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6397641A (en) * | 1986-10-13 | 1988-04-28 | Sharp Corp | Heat insulating material |
WO2009019812A1 (en) * | 2007-08-09 | 2009-02-12 | Nippon Polyurethane Industry Co., Ltd. | Polyisocyanates for producing rigid polyurethane foam and process for producing rigid polyurethane foam |
KR100953127B1 (en) * | 2008-08-12 | 2010-04-16 | 박재훈 | Method for manufacturing interior and exterior material using phenol resin |
Also Published As
Publication number | Publication date |
---|---|
JPS6332086B2 (en) | 1988-06-28 |
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