JPS55118951A - Phenolic resin composition - Google Patents

Phenolic resin composition

Info

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
Application number
JP2658079A
Other languages
Japanese (ja)
Inventor
Atsushi Abe
Ikuro Hiroe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP2658079A priority Critical patent/JPS55118951A/en
Publication of JPS55118951A publication Critical patent/JPS55118951A/en
Pending legal-status Critical Current

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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
JP2658079A 1979-03-06 1979-03-06 Phenolic resin composition Pending JPS55118951A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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