JPS5560518A - Powdery epoxy resin composition - Google Patents

Powdery epoxy resin composition

Info

Publication number
JPS5560518A
JPS5560518A JP13398178A JP13398178A JPS5560518A JP S5560518 A JPS5560518 A JP S5560518A JP 13398178 A JP13398178 A JP 13398178A JP 13398178 A JP13398178 A JP 13398178A JP S5560518 A JPS5560518 A JP S5560518A
Authority
JP
Japan
Prior art keywords
epoxy resin
resin composition
mica powder
acid
equivalent
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
JP13398178A
Other languages
Japanese (ja)
Inventor
Makoto Fujikura
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 JP13398178A priority Critical patent/JPS5560518A/en
Publication of JPS5560518A publication Critical patent/JPS5560518A/en
Pending legal-status Critical Current

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Landscapes

  • Compositions Of Macromolecular Compounds (AREA)
  • Epoxy Resins (AREA)
  • Paints Or Removers (AREA)

Abstract

PURPOSE: To prepare a powdery epoxy resin composition stable to moisture absorption, having improved storage stability and capable of forming an insulating film having excellent thermal shock resistance, by using a tetracarboxylic acid as a curing agent and mica powder as a filler.
CONSTITUTION: An epoxy resin composition comprising (A) an epoxy resin (pref. bisphenol A-type solid epoxy resin having an epoxy equivalent of 600W2,500), (B) a tetracarboxylic acid (e.g. 1, 2, 3, 4-butanetetracarboxylic acid, etc.) (1W3 acid equivalent on the basis of 1 epoxy equivalent), and (C) mica powder (pref. having a ratio of the diameter of the circle the area same as that of the flake, to the thickness of the flake, of ≥10) (10W120 parts by weight on the basis of 100 parts by weight of (A)). The amount of mica powder is poreferably ≥1/3 of the whole amount of the fillers when the other fillers are used together.
COPYRIGHT: (C)1980,JPO&Japio
JP13398178A 1978-10-31 1978-10-31 Powdery epoxy resin composition Pending JPS5560518A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13398178A JPS5560518A (en) 1978-10-31 1978-10-31 Powdery epoxy resin composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13398178A JPS5560518A (en) 1978-10-31 1978-10-31 Powdery epoxy resin composition

Publications (1)

Publication Number Publication Date
JPS5560518A true JPS5560518A (en) 1980-05-07

Family

ID=15117592

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13398178A Pending JPS5560518A (en) 1978-10-31 1978-10-31 Powdery epoxy resin composition

Country Status (1)

Country Link
JP (1) JPS5560518A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4584883A (en) * 1981-11-10 1986-04-29 Fuji Electric Company, Ltd. Karman vortex flowmeter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4584883A (en) * 1981-11-10 1986-04-29 Fuji Electric Company, Ltd. Karman vortex flowmeter
US4648280A (en) * 1981-11-10 1987-03-10 Fuji Electric Co., Ltd. Karman vortex flowmeter

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