JPS5790010A - Production of flame-retarding phenol resin for laminated sheet - Google Patents

Production of flame-retarding phenol resin for laminated sheet

Info

Publication number
JPS5790010A
JPS5790010A JP16631880A JP16631880A JPS5790010A JP S5790010 A JPS5790010 A JP S5790010A JP 16631880 A JP16631880 A JP 16631880A JP 16631880 A JP16631880 A JP 16631880A JP S5790010 A JPS5790010 A JP S5790010A
Authority
JP
Japan
Prior art keywords
flame
bromine
phenol
reacted
reacting
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
Application number
JP16631880A
Other languages
Japanese (ja)
Other versions
JPS6017411B2 (en
Inventor
Takeshi Yoshida
Susumu Koarai
Yukio Yoshimura
Ken Nanaumi
Kohei Yasuzawa
Shinji Iwabuchi
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.)
Showa Denko Materials Co Ltd
Original Assignee
Hitachi Chemical Co 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 Hitachi Chemical Co Ltd filed Critical Hitachi Chemical Co Ltd
Priority to JP16631880A priority Critical patent/JPS6017411B2/en
Publication of JPS5790010A publication Critical patent/JPS5790010A/en
Publication of JPS6017411B2 publication Critical patent/JPS6017411B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To obtain a flame-retarding phenol resin useful to impart flame retardancy to laminated sheets, by reacting bromine with a varnish prepared by reacting a vegetable oil or its derivative with a phenol or a formaldehyde in the presence of a basic catalyst.
CONSTITUTION: A vegetable oil, its derivative or a reaction product derived by reacting a phenol therewith is reacted with a phenol or a formaldehyde in the presence of a basic catalyst. The reaction product is further reacted with bromine. After this reaction, a phosphorus or nitrogen flame retardant or an inorganic compound such as an antimony compound is added to or reacted with the product and dissolved in an organic solvent to obtain a varnish for laminate sheets. In this process, since bromine is reacted as such and, as different from the case of other organic flame retardants, no other elements but bromine are bonded, it is possible to obtain a flame-retarding resin having the lowest volume per Br atom. Moreover, bromine is taken in the resin by its reactivity to form the most effective flame retardant.
COPYRIGHT: (C)1982,JPO&Japio
JP16631880A 1980-11-25 1980-11-25 Method for producing flame-retardant phenolic resin for laminates Expired JPS6017411B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16631880A JPS6017411B2 (en) 1980-11-25 1980-11-25 Method for producing flame-retardant phenolic resin for laminates

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16631880A JPS6017411B2 (en) 1980-11-25 1980-11-25 Method for producing flame-retardant phenolic resin for laminates

Publications (2)

Publication Number Publication Date
JPS5790010A true JPS5790010A (en) 1982-06-04
JPS6017411B2 JPS6017411B2 (en) 1985-05-02

Family

ID=15829122

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16631880A Expired JPS6017411B2 (en) 1980-11-25 1980-11-25 Method for producing flame-retardant phenolic resin for laminates

Country Status (1)

Country Link
JP (1) JPS6017411B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60248738A (en) * 1984-05-23 1985-12-09 Shin Kobe Electric Mach Co Ltd Manufacture of laminated sheet
CN1040649C (en) * 1992-08-17 1998-11-11 日立化学工业株式会社 Method of preparing vegetalbe oil-modified phenolic resin and laminate produced by using the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60248738A (en) * 1984-05-23 1985-12-09 Shin Kobe Electric Mach Co Ltd Manufacture of laminated sheet
CN1040649C (en) * 1992-08-17 1998-11-11 日立化学工业株式会社 Method of preparing vegetalbe oil-modified phenolic resin and laminate produced by using the same

Also Published As

Publication number Publication date
JPS6017411B2 (en) 1985-05-02

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