METHOD OF FABRICATING FIRE-PROTECTIVE MAN-MADE FIBERS Russian patent published in 1997 - IPC

Abstract RU 2099453 C1

FIELD: artificial fibers. SUBSTANCE: fibers are treated in aqueous media with redox system consisting of an ferrous salt and hydrogen peroxide and then are grafted with 2-(O-isobutylmethylphosphonoxy)methyl propenoate at its concentration in reaction mixture 5-7 wt %. Oxygen index before and after ten washings, in %: viscose fibers - 29.5-30.1 and 29.3-29.9; polyester fibers - 30.3 and 30.0; polycaproamide fibers - 28.7 and 28.4. EFFECT: improved consumer quality. 1 tbl

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RU 2 099 453 C1

Authors

Zubkova N.S.

Butylkina N.G.

Tjuganova M.A.

Sokhadze L.A.

Dates

1997-12-20—Published

1996-04-26—Filed