JPS57155236A - Manufacturing of laminated sheet - Google Patents

Manufacturing of laminated sheet

Info

Publication number
JPS57155236A
JPS57155236A JP4028181A JP4028181A JPS57155236A JP S57155236 A JPS57155236 A JP S57155236A JP 4028181 A JP4028181 A JP 4028181A JP 4028181 A JP4028181 A JP 4028181A JP S57155236 A JPS57155236 A JP S57155236A
Authority
JP
Japan
Prior art keywords
resin
novolak
diallylidenepentaerythritol
laminated sheet
phenolic resin
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
JP4028181A
Other languages
Japanese (ja)
Other versions
JPS6238371B2 (en
Inventor
Takeshi Yoshioka
Akira Toko
Naoji Takeda
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.)
Sumitomo Bakelite Co Ltd
Original Assignee
Sumitomo Bakelite 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 Sumitomo Bakelite Co Ltd filed Critical Sumitomo Bakelite Co Ltd
Priority to JP4028181A priority Critical patent/JPS57155236A/en
Publication of JPS57155236A publication Critical patent/JPS57155236A/en
Publication of JPS6238371B2 publication Critical patent/JPS6238371B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Phenolic Resins Or Amino Resins (AREA)
  • Paints Or Removers (AREA)
  • Reinforced Plastic Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

PURPOSE: To manufacture a laminated sheet having high dimensioal stability and heat resistance, and excellent punchability, chemical resistance, and electrical characteristics, by using a varnish composed mainly of a novolak phenolic resin containing diallylidenepentaerythritol.
CONSTITUTION: A varnish composed mainly of a novolak phenolic resin having a number-average molecular weight of 200W600 and consisting of a phenolic compound containing 0.1W20% diallylidenepentaerythritol, is impregnated in a substrate for the laminated sheet, dried, and hot-pressed. The novolak phenolic resin is a novolak aromatic hydrocarbon phenolic resin obtained by reacting an aromatic hydrocarbon formaldehyde resin with 1W5mol, based on 1 atomic weight of the oxygen atom contained in the resin, of a phenolic compound containing 0.1W20% diallylidenepentaerythritol in the presence of an acidic catalyst, or a modified resin obtained by modifying the above resin with a drying oil.
COPYRIGHT: (C)1982,JPO&Japio
JP4028181A 1981-03-23 1981-03-23 Manufacturing of laminated sheet Granted JPS57155236A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4028181A JPS57155236A (en) 1981-03-23 1981-03-23 Manufacturing of laminated sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4028181A JPS57155236A (en) 1981-03-23 1981-03-23 Manufacturing of laminated sheet

Publications (2)

Publication Number Publication Date
JPS57155236A true JPS57155236A (en) 1982-09-25
JPS6238371B2 JPS6238371B2 (en) 1987-08-18

Family

ID=12576223

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4028181A Granted JPS57155236A (en) 1981-03-23 1981-03-23 Manufacturing of laminated sheet

Country Status (1)

Country Link
JP (1) JPS57155236A (en)

Cited By (1)

* 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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5676794B1 (en) * 2014-02-24 2015-02-25 Ｎｅｃプラットフォームズ株式会社 Door locking device and electronic device

Cited By (1)

* 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

Also Published As

Publication number Publication date
JPS6238371B2 (en) 1987-08-18

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