JPS55125149A - Melamine/phenol resin composition - Google Patents

Melamine/phenol resin composition

Info

Publication number
JPS55125149A
JPS55125149A JP3247179A JP3247179A JPS55125149A JP S55125149 A JPS55125149 A JP S55125149A JP 3247179 A JP3247179 A JP 3247179A JP 3247179 A JP3247179 A JP 3247179A JP S55125149 A JPS55125149 A JP S55125149A
Authority
JP
Japan
Prior art keywords
gypsum
melamine
phenol resin
resin composition
solid
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
JP3247179A
Other languages
Japanese (ja)
Inventor
Masayuki Yokoyama
Toshio Kubo
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 JP3247179A priority Critical patent/JPS55125149A/en
Publication of JPS55125149A publication Critical patent/JPS55125149A/en
Pending legal-status Critical Current

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  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE: A melamine/phenol resin composition which has excellent tracking resistance even in dry process, prepared by adding gypsum to a melamine/phenol resin composition.
CONSTITUTION: A composition comprising a solid melamine resin precondensate, a solid phenol resin precondensate and gypsum. The proportion of gypsum to the solid resins is preferably 5W20pts.wt. of gypsum to 100pts.wt. of the resins. The reason is that the use of gypsum less than 5pts.wt. has little effect on tracking resistance and so is not practicable, whereas the use of gypsum more than 20pts.wt. lowers flexural strength, and can not provide tracking resistance which is better than that obtained by the use of 20pts.wt.
COPYRIGHT: (C)1980,JPO&Japio
JP3247179A 1979-03-20 1979-03-20 Melamine/phenol resin composition Pending JPS55125149A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3247179A JPS55125149A (en) 1979-03-20 1979-03-20 Melamine/phenol resin composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3247179A JPS55125149A (en) 1979-03-20 1979-03-20 Melamine/phenol resin composition

Publications (1)

Publication Number Publication Date
JPS55125149A true JPS55125149A (en) 1980-09-26

Family

ID=12359880

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3247179A Pending JPS55125149A (en) 1979-03-20 1979-03-20 Melamine/phenol resin composition

Country Status (1)

Country Link
JP (1) JPS55125149A (en)

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