Composition of tetraglycidyl, triglycidyl and diglycidyl epoxy r

Details Composition of tetraglycidyl, triglycidyl and diglycidyl epoxy r Composition of tetraglycidyl, triglycidyl and diglycidyl epoxy r

1993-03-03

1994-05-31

Sellers, Robert E.

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

Synthetic resins

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

525524, 525527, C08L 6302

Patent

active

053170687

ABSTRACT:
An epoxy resin composition useful as a matrix for fiber-reinforced composites is disclosed which includes a mixture containing 30-95% by weight of a tetrafunctional epoxy resin, 3-40% by weight of an admixture of trifunctional epoxy resin oligomers and 2-50% by weight of a bisphenol A epoxy resin having a number average molecular weight of 450-1,300 and such a weight average molecular weight as to provide a ratio of the weight average molecular weight to the number average molecular weight of 1.3-3.0.

REFERENCES:
patent: 3523037 (1970-08-01), Chellis
patent: 4311753 (1982-01-01), Pucci
patent: 4550129 (1985-10-01), Nir et al.
patent: 4608300 (1986-08-01), Gruber
patent: 4757117 (1988-07-01), Moss
Chemical Abstracts, vol. 102, No. 4, Jan. 28, 1985, Abstract No. 26033j.
Chemical Abstracts, vol. 84, No. 24, Jun. 14, 1976, Abstract No. 165619f.

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