JPS55118951A - Phenolic resin composition - Google Patents
Phenolic resin compositionInfo
- Publication number
- JPS55118951A JPS55118951A JP2658079A JP2658079A JPS55118951A JP S55118951 A JPS55118951 A JP S55118951A JP 2658079 A JP2658079 A JP 2658079A JP 2658079 A JP2658079 A JP 2658079A JP S55118951 A JPS55118951 A JP S55118951A
- Authority
- JP
- Japan
- Prior art keywords
- phenolic resin
- phenol
- resin composition
- precondensate
- lime
- 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
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
Abstract
PURPOSE: A phenolic resin composition having a high curing rate without whitening deterioration, prepared by adding a specific calcium hydroxide in the form of milk of lime as a curing accelerator to a precondensate of a novolak phenolic resin.
CONSTITUTION: (A) A precondensate of novolak phenolic resin is incorporated with (B) hexamethylene tetramine and (C) 4W10% based on (A) of calcium hydroxide in the form of milk of lime as a curing accelerator to give the objective composition. The ingredient (A) can be obtained by reacting a phenol, e.g. phenol or cresol, or a phenol modified with lignin, with an aldehyde, e.g. formaldehyde, in the presence of an acid catalyst. A filler, release agent, or pigment may be added.
USE: Molding materials for general electric insulators.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2658079A JPS55118951A (en) | 1979-03-06 | 1979-03-06 | Phenolic resin composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2658079A JPS55118951A (en) | 1979-03-06 | 1979-03-06 | Phenolic resin composition |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55118951A true JPS55118951A (en) | 1980-09-12 |
Family
ID=12197484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2658079A Pending JPS55118951A (en) | 1979-03-06 | 1979-03-06 | Phenolic resin composition |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55118951A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020132736A1 (en) * | 2018-12-27 | 2020-07-02 | Suzano S.A. | Novolac phenolic resins, process of synthesis of said phenolic resins and use thereof |
-
1979
- 1979-03-06 JP JP2658079A patent/JPS55118951A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020132736A1 (en) * | 2018-12-27 | 2020-07-02 | Suzano S.A. | Novolac phenolic resins, process of synthesis of said phenolic resins and use thereof |
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