JPS5443980A - Preparation of phenolic resin laminated sheet - Google Patents

Preparation of phenolic resin laminated sheet

Info

Publication number
JPS5443980A
JPS5443980A JP11109977A JP11109977A JPS5443980A JP S5443980 A JPS5443980 A JP S5443980A JP 11109977 A JP11109977 A JP 11109977A JP 11109977 A JP11109977 A JP 11109977A JP S5443980 A JPS5443980 A JP S5443980A
Authority
JP
Japan
Prior art keywords
phenolic resin
laminated sheet
varnish
preparation
resin laminated
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
JP11109977A
Other languages
Japanese (ja)
Inventor
Kohei Kodera
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 JP11109977A priority Critical patent/JPS5443980A/en
Publication of JPS5443980A publication Critical patent/JPS5443980A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prepare a laminated sheet having uniform qualities and improved punchability, economically by using a resol-type phenolic resin varnish containing a specific compound as a plasticizer.
CONSTITUTION: An impregnating varnish is prepared by compounding a phenolic resin varnish with a compound having polyethylene glycol (n<50) units in the main chain and phenolic nucleus at the both ends of the chain, e.g. expressed by the formula. A phenolic resin laminated sheet useful as printed circuit board, etc. is prepared by laminating a plurality of substrates impregnated with the above varnish.
COPYRIGHT: (C)1979,JPO&Japio
JP11109977A 1977-09-14 1977-09-14 Preparation of phenolic resin laminated sheet Pending JPS5443980A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11109977A JPS5443980A (en) 1977-09-14 1977-09-14 Preparation of phenolic resin laminated sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11109977A JPS5443980A (en) 1977-09-14 1977-09-14 Preparation of phenolic resin laminated sheet

Publications (1)

Publication Number Publication Date
JPS5443980A true JPS5443980A (en) 1979-04-06

Family

ID=14552354

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11109977A Pending JPS5443980A (en) 1977-09-14 1977-09-14 Preparation of phenolic resin laminated sheet

Country Status (1)

Country Link
JP (1) JPS5443980A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0047983A1 (en) * 1980-09-13 1982-03-24 Nihon Medi-Physics Co., Ltd. Radioactive diagnostic agent for bone scanning and non-radioactive carrier therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0047983A1 (en) * 1980-09-13 1982-03-24 Nihon Medi-Physics Co., Ltd. Radioactive diagnostic agent for bone scanning and non-radioactive carrier therefor

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