JPS5496598A - Production of urethane-modified epoxy resin - Google Patents
Production of urethane-modified epoxy resinInfo
- Publication number
- JPS5496598A JPS5496598A JP357678A JP357678A JPS5496598A JP S5496598 A JPS5496598 A JP S5496598A JP 357678 A JP357678 A JP 357678A JP 357678 A JP357678 A JP 357678A JP S5496598 A JPS5496598 A JP S5496598A
- Authority
- JP
- Japan
- Prior art keywords
- epoxy resin
- type epoxy
- diisocyanate
- urethane
- molecular weight
- 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: The simultaneous reaction between polyalkylene glycol, diisocyanate and epoxy resin is conducted to produce urethane-modified eposy resins with outstanding stability free from increase in viscosity and gelation.
CONSTITUTION: A mixture of (a) a polyalkylene glycol of an average molecular weight of about 1000 as polypropylene glycol, (b) a diisocyanate as 2,4-tolylene diisocyanate and (c) a liquid bisphenol-A type epoxy resin having less hydroxyl group content and a molecular weight of less than 400 and/or a diol glycidyl ether type epoxy resin as neopentyl glycol diglycidyl ether type epoxy resin in a molar ratio of 1.5-2.5 hydroxyl groups to 1 insocyanate group is reacted in an inert gas at about 80-120, preferably 95-105°C to produce said resin.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP357678A JPS5496598A (en) | 1978-01-17 | 1978-01-17 | Production of urethane-modified epoxy resin |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP357678A JPS5496598A (en) | 1978-01-17 | 1978-01-17 | Production of urethane-modified epoxy resin |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5496598A true JPS5496598A (en) | 1979-07-31 |
JPS5730848B2 JPS5730848B2 (en) | 1982-07-01 |
Family
ID=11561272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP357678A Granted JPS5496598A (en) | 1978-01-17 | 1978-01-17 | Production of urethane-modified epoxy resin |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5496598A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS506698A (en) * | 1973-05-21 | 1975-01-23 | ||
JPS5072997A (en) * | 1973-10-29 | 1975-06-16 |
-
1978
- 1978-01-17 JP JP357678A patent/JPS5496598A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS506698A (en) * | 1973-05-21 | 1975-01-23 | ||
JPS5072997A (en) * | 1973-10-29 | 1975-06-16 |
Also Published As
Publication number | Publication date |
---|---|
JPS5730848B2 (en) | 1982-07-01 |
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