LUBRICANT FOR FIBER GLASS Russian patent published in 1997 - IPC

FIELD: chemical technology. SUBSTANCE: lubricant for treatment of fiber glass has, wt. -%: γ-aminopropyltriethoxysilane, 0.5-1.5; acetic acid, 0.16-0.5; polyurethane latex at content of tertiary nitrogen atoms in dispersed polymer 0.5-0.9% and mean particle size 0.07-0.1 mcm, 3.0-8.0; hydroxyethylated saturated C₁₆-C₁₈-alcohols at hydroxyethylation degree 20, 0.2-0.6; and water, up to 100. Properties: rupture strength is 93.2-95.2 MPa, bending strength is 38.9-42.2 MPa. EFFECT: enhanced quality of lubricant. 1 tbl