JPS55137150A - Preparing modified phenol resin - Google Patents

Preparing modified phenol resin

Info

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
Application number
JP4578379A
Other languages
Japanese (ja)
Inventor
Kohei Kodera
Yoshiaki Ezaki
Kunio Sakamoto
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 JP4578379A priority Critical patent/JPS55137150A/en
Publication of JPS55137150A publication Critical patent/JPS55137150A/en
Pending legal-status Critical Current

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
JP4578379A 1979-04-13 1979-04-13 Preparing modified phenol resin Pending JPS55137150A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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