Synthetic fibers lubricated with heteric copolymer of tetrahydro

Details Synthetic fibers lubricated with heteric copolymer of tetrahydro Synthetic fibers lubricated with heteric copolymer of tetrahydro

1980-01-15

1981-03-31

Lusignan, Michael R.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

252 89, 2604106, 4273899, 428361, 528355, 568617, 568623, B32B 2734, B32B 2736, B05D 302

Patent

active

042594057

ABSTRACT:
There are disclosed lubricated synthetic yarn and processes therefore wherein heteric copolymers of tetrahydrofuran and at least one C.sub.3 to C.sub.4 alkylene oxide initiated with a polyhydric alcohol are utilized as lubricants. The copolymers have a molecular weight of about 500 to about 10,000 and are initiated with polyhydric alcohols having a total of not more than 20 carbon atoms which are free of elements other than carbon, hydrogen and oxygen. Said initiators have 2 to about 6 reactive hydrogen atoms. The heteric copolymers of the invention capped with at least one lower alkylene oxide residue are also useful as fiber lubricants.

REFERENCES:
patent: 3194772 (1965-07-01), Trotz
patent: 3425999 (1969-02-01), Axelrood et al.
patent: 3834935 (1974-09-01), Symm et al.
patent: 4038296 (1977-07-01), Greif et al.
patent: 4118326 (1978-10-01), Login

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