JPS55137150A - Preparing modified phenol resin - Google Patents
Preparing modified phenol resinInfo
- Publication number
- JPS55137150A JPS55137150A JP4578379A JP4578379A JPS55137150A JP S55137150 A JPS55137150 A JP S55137150A JP 4578379 A JP4578379 A JP 4578379A JP 4578379 A JP4578379 A JP 4578379A JP S55137150 A JPS55137150 A JP S55137150A
- Authority
- JP
- Japan
- Prior art keywords
- phenol resin
- cpd
- modified phenol
- resol
- modifier
- 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
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Abstract
PURPOSE: To provide a plastisized and modified phenol resin without reducing impact resistance suitable for producing a laminated resin plate by using a cpd. having ethylene oxide end gp. as a modifier.
CONSTITUTION: During or after a production stage of a resol-type phenol resin by reacting a phenol such as phenol or cresol, with an aldehyde such as formaldehyde or furfural, in the presence of an alkaline catalyst, a cpd. having a structure represented by the formula I (where R, R' each is a group of formulas II, III, or IV; m, n are integers) is added as a modifier. Preferably, a cpd. such as antimony trioxide, tetrabromoethane, or tricresyl phosphate is added as a flame retarder to provide a resol-type phenol resin (varnish) which has been plasticized and made resistant to fire.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4578379A JPS55137150A (en) | 1979-04-13 | 1979-04-13 | Preparing modified phenol resin |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4578379A JPS55137150A (en) | 1979-04-13 | 1979-04-13 | Preparing modified phenol resin |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55137150A true JPS55137150A (en) | 1980-10-25 |
Family
ID=12728872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4578379A Pending JPS55137150A (en) | 1979-04-13 | 1979-04-13 | Preparing modified phenol resin |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55137150A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01318030A (en) * | 1988-06-17 | 1989-12-22 | Matsushita Electric Works Ltd | Preparation of resol type phenol resin |
-
1979
- 1979-04-13 JP JP4578379A patent/JPS55137150A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01318030A (en) * | 1988-06-17 | 1989-12-22 | Matsushita Electric Works Ltd | Preparation of resol type phenol resin |
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