JPS6474211A - Thermosetting phenolic resin solution and manufacture thereof - Google Patents
Thermosetting phenolic resin solution and manufacture thereofInfo
- Publication number
- JPS6474211A JPS6474211A JP23042287A JP23042287A JPS6474211A JP S6474211 A JPS6474211 A JP S6474211A JP 23042287 A JP23042287 A JP 23042287A JP 23042287 A JP23042287 A JP 23042287A JP S6474211 A JPS6474211 A JP S6474211A
- Authority
- JP
- Japan
- Prior art keywords
- concentration
- hcho
- hydrochloric acid
- phenolic resin
- bath
- 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
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Abstract
PURPOSE:To produce the title resin solution which is excellent in storage stability, workability and thermosetting properties, and suitable as molding material and laminating material and gives a molded product and the like excellent in heat resistance, flame retardance, mechanical strength and electric properties, by dissolving a thermosetting phenolic resin having specific properties in an organic solvent. CONSTITUTION:Phenol and/or a phenol derivative such as m-cresol is added to a hydrochloric acid/HCHO bath having a hydrochloric acid concentration of 5-28wt.%, and an HCHO concentration of 8-25wt.% with the total concentration of the hydrochloric acid and the HCHO being 15-40wt.% so that the bath ratio of the weight of the bath to that to phenols may be 8 or more and they are brought into contact with each other at 45 deg.C or below to produce a thermosetting phenolic resin having a weight-average molecular weight of 1,000 or more (measured bY G.P.C.) in terms of PS, a free phenol content of 500ppm or below and containing as main linkage units trifunctional residues of methylene, methylol and phenols. The obtained resin is dissolved in a polar organic solvent such as alcohols, esters, ketons or amides so that the concentration may be 5-80wt.%.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62230422A JPH0689091B2 (en) | 1987-09-14 | 1987-09-14 | Thermosetting phenolic resin solution and method for producing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62230422A JPH0689091B2 (en) | 1987-09-14 | 1987-09-14 | Thermosetting phenolic resin solution and method for producing the same |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6474211A true JPS6474211A (en) | 1989-03-20 |
JPH0689091B2 JPH0689091B2 (en) | 1994-11-09 |
Family
ID=16907642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62230422A Expired - Fee Related JPH0689091B2 (en) | 1987-09-14 | 1987-09-14 | Thermosetting phenolic resin solution and method for producing the same |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0689091B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07126354A (en) * | 1993-10-29 | 1995-05-16 | Sumitomo Metal Mining Co Ltd | High-molecular-weight phenol resin and synthesizing method of the same using enzyme catalyst |
WO2001048085A1 (en) * | 1999-12-27 | 2001-07-05 | Kanebo, Limited | Thermosetting phenolic resin composition or compound, or carbon composite thereof |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54116080A (en) * | 1978-02-28 | 1979-09-10 | Matsushita Electric Works Ltd | Preparation of phenolic resin |
JPS56103215A (en) * | 1980-01-21 | 1981-08-18 | Sumitomo Bakelite Co Ltd | Crystalline phenolic novolak resin |
JPS5924715A (en) * | 1982-07-31 | 1984-02-08 | Sumitomo Deyurezu Kk | Normally solid phenolic resin |
JPS60260611A (en) * | 1984-06-08 | 1985-12-23 | Mitsubishi Petrochem Co Ltd | Production of high-molecular weight cresol novolak resin |
JPS60262815A (en) * | 1984-06-11 | 1985-12-26 | Sumitomo Deyurezu Kk | Production of novolak resin |
JPS6112714A (en) * | 1984-06-28 | 1986-01-21 | Mitsubishi Petrochem Co Ltd | Production of linear cresol novolak resin of high molecular weight |
JPS6198717A (en) * | 1984-10-22 | 1986-05-17 | Mitsui Petrochem Ind Ltd | Production of high molecular weight novolak type substituted phenolic resin |
JPS62230816A (en) * | 1985-12-06 | 1987-10-09 | Toray Ind Inc | High-molecular weight novolak resin |
-
1987
- 1987-09-14 JP JP62230422A patent/JPH0689091B2/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54116080A (en) * | 1978-02-28 | 1979-09-10 | Matsushita Electric Works Ltd | Preparation of phenolic resin |
JPS56103215A (en) * | 1980-01-21 | 1981-08-18 | Sumitomo Bakelite Co Ltd | Crystalline phenolic novolak resin |
JPS5924715A (en) * | 1982-07-31 | 1984-02-08 | Sumitomo Deyurezu Kk | Normally solid phenolic resin |
JPS60260611A (en) * | 1984-06-08 | 1985-12-23 | Mitsubishi Petrochem Co Ltd | Production of high-molecular weight cresol novolak resin |
JPS60262815A (en) * | 1984-06-11 | 1985-12-26 | Sumitomo Deyurezu Kk | Production of novolak resin |
JPS6112714A (en) * | 1984-06-28 | 1986-01-21 | Mitsubishi Petrochem Co Ltd | Production of linear cresol novolak resin of high molecular weight |
JPS6198717A (en) * | 1984-10-22 | 1986-05-17 | Mitsui Petrochem Ind Ltd | Production of high molecular weight novolak type substituted phenolic resin |
JPS62230816A (en) * | 1985-12-06 | 1987-10-09 | Toray Ind Inc | High-molecular weight novolak resin |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07126354A (en) * | 1993-10-29 | 1995-05-16 | Sumitomo Metal Mining Co Ltd | High-molecular-weight phenol resin and synthesizing method of the same using enzyme catalyst |
WO2001048085A1 (en) * | 1999-12-27 | 2001-07-05 | Kanebo, Limited | Thermosetting phenolic resin composition or compound, or carbon composite thereof |
Also Published As
Publication number | Publication date |
---|---|
JPH0689091B2 (en) | 1994-11-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |