Fiber lubricants based upon ethylene oxide capped polyethers of

Details Fiber lubricants based upon ethylene oxide capped polyethers of Fiber lubricants based upon ethylene oxide capped polyethers of

1978-05-26

1980-04-15

Esposito, Michael F.

Stock material or miscellaneous articles

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

Staple length fiber

252 89, 4273935, 4273899, 427424, 4274346, 428413, D02G 336

Patent

active

041984641

ABSTRACT:
There are disclosed surface lubricants or processing aids for synthetic fibers particularly polyester, polyacrylic, and polyamide (nylon) fibers or mixtures thereof comprising an ethylene oxide capped heteric polymer of tetrahydrofuran (tetramethylene oxide) and ethylene oxide designated as a heteric/block copolymer having the formula:

REFERENCES:
patent: 3194772 (1965-07-01), Trotz
patent: 3425999 (1969-02-01), Axeir
patent: 3577559 (1971-05-01), Horsley
patent: 3834935 (1974-09-01), Symm et al.
patent: 3963628 (1976-06-01), Park
patent: 4027346 (1977-06-01), Wada et al.
patent: 4038296 (1977-07-01), Greif et al.
patent: 4094797 (1978-06-01), Newkirk et al.
patent: 4110227 (1978-08-01), Newkirk et al.

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