Anhydrous preparation for finishing sewing yarn and thread: cont

Compositions – Textile processing aid compositions – or processes of preparing – For textile materials consisting wholly or in part of silk...

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8133, 106271, 252 86, D06M 1320, D06M 1564, C10M10750, C10M12940

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active

049902679

ABSTRACT:
An anhydrous preparation for finishing sewing yarn and sewing thread is disclosed. The preparation essentially consists of 65 to 99% by weight of a dimethylpolysiloxane with a viscosity of 50 to 10,000 mm.sup.2 /S.sup.-1 at 25.degree. C. and a hydroxyl content of 0.3 to 1.5% by weight and 1 to 30% by weight of a fatty acid or a fatty amine with, on the average, 8 to 18 carbon atoms and, optionally, 0 to 5% by weight of conventional additives.
The preparation are easy to prepare and have an unlimited shelf life and a constant viscosity even over a prolonged period of storage. The preparation confer low thread tension, decreased yarn breakage and improved stick-slip properties on the sewing yarn and thread.

REFERENCES:
patent: 4246423 (1981-01-01), Martin
patent: 4423092 (1983-12-01), Huhn et al.
patent: 4434008 (1984-02-01), Dumm et al.
patent: 4496631 (1985-01-01), Adachi et al.

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