GLASS FIBER LUBRICATING COMPOSITION Russian patent published in 1994 - IPC

FIELD: manufacture of glass fiber material. SUBSTANCE: lubricating composition contains the following ingredients, % by weight: dextrinized corn starch 3-9; 1-(2-aminoethyl)-2- pentadecyl-2-imidazoline or mixture of polyoxyethylene glycol 1-(2-aminoethyl)-2-heptadecenoyl-2-imidazoline derivatives 0.15-1.2; polyvinyl alcohol 0.3-1.0; gelatin 0.03-0.08; hydrogenated vegetable fat 1.0-2.5; mixture of polyethylene glycol monooleate and anhydrophosphates 0.15-0.4; polymethylsiloxane-based defoaming agent 0.0125-0.0250; formic acid 0.01-0.02; acetic acid 0.007- 0.03; dicyanediamide-formaldehyde resin 0.1-0.3; water repellent (such as alcoholic solution of chromic salt of methacrylic and hydrochloric acids) 0.1-0.4; and water for the balance. EFFECT: increased waterproofing capacity. 1 cl, 1 tbl