Fibrous carbonaceous material sized with a glycidylhydantoin siz

Details Fibrous carbonaceous material sized with a glycidylhydantoin siz Fibrous carbonaceous material sized with a glycidylhydantoin siz

1977-09-06

1979-03-20

Kendell, Lorraine T.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

427394, 427430R, 427434D, 428375, 428392, D02G 300

Patent

active

041454723

ABSTRACT:
A water soluble sizing for fibrous carbonaceous material consists of either 1,3-diglycidyl-5,5-dimethylhydantoin or 1,3-diglycidylhydantoin. The carbonaceous material is sized by immersion in an aqueous solution of the sizing having a concentration of 0.1-10%, preferably 1-2%, by weight, followed by drying. In addition to being highly water soluble, non-toxic and non-flammable, the sizing provides excellent filament control so as to minimize fuzzing during subsequent handling of the carbonaceous material and is compatible with an epoxy resin matrix system.

REFERENCES:
patent: 3671285 (1972-06-01), Prescott
patent: 3676200 (1972-07-01), Rembold et al.
patent: 3770539 (1973-11-01), Bullock
patent: 3837904 (1974-09-01), Hill
patent: 3914504 (1975-10-01), Weldy
patent: 3957716 (1976-05-01), Weldy
patent: 4043074 (1977-08-01), Airhart

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