Epoxy resin composition with polyamide powder

Details Epoxy resin composition with polyamide powder Epoxy resin composition with polyamide powder

1990-02-01

1992-01-28

Marquis, Melvyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

523428, 523429, C08L 6302

Patent

active

050845250

ABSTRACT:
An epoxy resin bonding composition containing two different epoxy resin as a liquid admixture, a curing agent and a polyamide powder is disclosed. The bonding composition may be used, for example, to bond a ferrite magnetic to a motor yoke. One of the epoxy resins is an unmodified glycidyl ether of bisphenol A, bisphenol F or bisphenol AD. The other epoxy resin is an urethane-modified or glycol-modified glycidyl ether of bisphenol A, bisphenol F or bisphenol AD. The polyamide powder has an average particle size of 150 .mu.m or less and a melting of at least 170.degree. C. and is present in an amount 1-50 parts by weight per 100 parts by weight of liquid epoxy resin admixture.

REFERENCES:
patent: 4332713 (1982-06-01), Lehmann

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