Glass fibers having a reduced tendency to give gumming deposits,

Details Glass fibers having a reduced tendency to give gumming deposits, Glass fibers having a reduced tendency to give gumming deposits,

1978-09-29

1980-04-08

Lindsay, Jr., Robert L.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

65 3C, 428391, 428392, 428429, C03C 2502

Patent

active

041973496

ABSTRACT:
A method and composition are provided for producing an improved sized glass fiber strand that has a reduced tendency to form gummy deposits on fabrication machinery under high relative humidity conditions. The glass fiber strand is treated with a starch based forming size comprising about 50 to about 65 weight percent of the non-aqueous components of the composition being a starch containing cross-links that has been partially cooked along with a hydrogenated vegetable oil, or fatty triglyceride, cationic wetting agent, emulsifying agent, and water. The forming size composition can also contain a salt of a polyamino functional polyamide resin and a carboxylic acid and a wax and a coupling agent.

REFERENCES:
patent: 3227192 (1966-01-01), Griffiths
patent: 3615311 (1971-10-01), Ignatius
patent: 3664855 (1972-05-01), Morrison et al.
patent: 3869308 (1975-03-01), Graham
patent: 3928666 (1975-12-01), Morrison et al.
patent: 4066106 (1978-01-01), Graham

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