Carbon fiber yarn having improved handling characteristics

Details Carbon fiber yarn having improved handling characteristics Carbon fiber yarn having improved handling characteristics

1993-09-28

1994-11-29

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

428367, 524340, 524375, C08K 900

Patent

active

053691466

ABSTRACT:
A sizing formulation adapted for use with carbon fiber yarn comprising an aqueous dispersion of a film-forming, heat-reactive resin having a Tg below about -50.degree. C. and a water-dispersible ethoxylated alkyl phenol provides yarn having improved resistance to abrasion, less breakage and low fuzz formation, permitting substantial handling of the fiber in fabrication and weaving operations with reduced losses. In addition, the sizing may be readily removed thermally without the production of noxious byproducts when deemed necessary for use in further processing and impregnation operations.

REFERENCES:
patent: 3837904 (1974-09-01), Hill
patent: 4219457 (1980-08-01), Taniguchi et al.
patent: 4331573 (1982-05-01), Zabrocki et al.
patent: 4496671 (1985-01-01), Yoshinaga et al.
patent: 5049608 (1991-09-01), Medina

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