Sizing agents for carbon fibers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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Details

523205, 523402, 523456, C08L 6302, C08K 304

Patent

active

048808814

ABSTRACT:
A sizing agent for carbon fibers has the following three important constituents: an epoxy compound, a copolymer having within its molecule one oxyalkylene derivative of a polycyclic phenol segment and one or two monoester or polyester segments connected through an ester linkage, and oxyalkylene derivative of substituted phenol.

REFERENCES:
patent: 4167538 (1979-09-01), Taniguchi et al.
patent: 4751258 (1988-06-01), Minami

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