Sizing composition and sized strand useful as reinforcement

Details Sizing composition and sized strand useful as reinforcement Sizing composition and sized strand useful as reinforcement

1981-04-24

1983-05-10

Smith, William F.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

65 341, 65 343, 65 344, 428392, B23B 1702, B23B 1704

Patent

active

043829910

ABSTRACT:
Sizing compositions having polyurethane latex, cationic silane having unsaturation and polyamino silane are provided. The compositions are used to treat glass fibers to produce sized glass fibers having improved physical properties such as integrity. The sized glass fibers when used with molding compounds yields molded articles with improved physical properties like tensile strength, flexural strength and articles with impact strength.

REFERENCES:
patent: 3653957 (1972-04-01), Schafer et al.
patent: 3803069 (1974-04-01), McWilliams
patent: 3814592 (1974-06-01), McWilliams et al.
patent: 3997306 (1976-12-01), Hedden
patent: 4137209 (1979-01-01), Wong
"Cationic Organo Functional Silane Coupling Agents", Plueddemann et al., 27th Ann. Tech. Conf., 1972, Reinforced Plastics/Composites Institute, The Society of the Plastics Industry.

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