JPS6431839A - Production of paper-base phenolic polymer laminated board - Google Patents

Production of paper-base phenolic polymer laminated board

Info

Publication number
JPS6431839A
JPS6431839A JP18690287A JP18690287A JPS6431839A JP S6431839 A JPS6431839 A JP S6431839A JP 18690287 A JP18690287 A JP 18690287A JP 18690287 A JP18690287 A JP 18690287A JP S6431839 A JPS6431839 A JP S6431839A
Authority
JP
Japan
Prior art keywords
varnish
paper
coating
laminated board
impregnated
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
JP18690287A
Other languages
Japanese (ja)
Other versions
JPH0438772B2 (en
Inventor
Mitsutoshi Kamata
Akio Kurahashi
Masaru Ogata
Yukihiro Yamashita
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.)
Resonac Corp
Original Assignee
Shin Kobe Electric Machinery 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 Shin Kobe Electric Machinery Co Ltd filed Critical Shin Kobe Electric Machinery Co Ltd
Priority to JP18690287A priority Critical patent/JPS6431839A/en
Publication of JPS6431839A publication Critical patent/JPS6431839A/en
Publication of JPH0438772B2 publication Critical patent/JPH0438772B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/03—Use of materials for the substrate
    • H05K1/0313—Organic insulating material
    • H05K1/0353—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement

Landscapes

  • Reinforced Plastic Materials (AREA)

Abstract

PURPOSE:To obtain the titled laminated board having small dimensional change even after repeated heat-treatment, by using a tung oil-modified phenolic polymer varnish having lower concentration than top coating varnish, impregnating the undercoating varnish in a paper substrate, drying the varnish, impregnating a top-coating varnish having higher concentration in the substrate and drying the varnish. CONSTITUTION:A polymer is impregnated and dried in a paper substrate in two steps comprising under-coating step and top-coating step. A tung oil- modified phenolic polymer varnish having lower concentration than top coating varnish is impregnated as an under-coating in the paper substrate and dried. Thereafter, a varnish having higher concentration is impregnated as a topcoating in the paper substrate and dried to obtain an impregnated paper sheet. The objective laminated board is produced by laminating the paper sheets.
JP18690287A 1987-07-27 1987-07-27 Production of paper-base phenolic polymer laminated board Granted JPS6431839A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18690287A JPS6431839A (en) 1987-07-27 1987-07-27 Production of paper-base phenolic polymer laminated board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18690287A JPS6431839A (en) 1987-07-27 1987-07-27 Production of paper-base phenolic polymer laminated board

Publications (2)

Publication Number Publication Date
JPS6431839A true JPS6431839A (en) 1989-02-02
JPH0438772B2 JPH0438772B2 (en) 1992-06-25

Family

ID=16196680

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18690287A Granted JPS6431839A (en) 1987-07-27 1987-07-27 Production of paper-base phenolic polymer laminated board

Country Status (1)

Country Link
JP (1) JPS6431839A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5983950A (en) * 1996-02-29 1999-11-16 Toyoda Gosei Co., Ltd. Hose structure and method of manufacturing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5983950A (en) * 1996-02-29 1999-11-16 Toyoda Gosei Co., Ltd. Hose structure and method of manufacturing the same

Also Published As

Publication number Publication date
JPH0438772B2 (en) 1992-06-25

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