LIQUID COMPOSITION FOR MAKING SOFT ELASTIC POLYURETHANE FOAM ARTICLE BY FORMING METHOD Russian patent published in 1994 - IPC

Abstract RU 2021295 C1

FIELD: polymeric materials. SUBSTANCE: liquid composition containing polyhydroxyethylenepolyhydroxypropyleneglycerol with 12-20 wt.-% terminal ethyleneoxide groups and hydroxyl number 28-36 KOH/g, alkylamine, water, nitrogen-containing catalyst, organosilicon froth-regulating agent containing 14-18 wt.-% isocyanate groups, prepolymer on the basis of toluylenediisocyanate and polyhydroxyethylenepolyhydroxypropyleneglycerol with 12-20 wt.-% terminal ethyleneoxide groups and hydroxyl number 28-36 mg KOH/g has additionally hydroxypropylated ethylenediamine with hydroxyl number 700-800 mg KOH/g, tall oil with acid number 130-180 mg KOH/g and polyhydroxypropylenepolyhydroxyethyleneglycerol with 10-14 wt.- % statically disposed ethyleneoxide groups and hydroxyl number 42-50 mg KOH/g. Composition is reprocessed to article by soft forming method. EFFECT: enhanced quality of composition. 1 tbl

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RU 2 021 295 C1

Authors

Novak Viktor Alekseevich

Krasnova Ol'Ga Jur'Evna

Dates

1994-10-15Published

1991-02-07Filed