Fiber lubricants based upon fatty esters of heteric polyoxyalkyl

Details Fiber lubricants based upon fatty esters of heteric polyoxyalkyl Fiber lubricants based upon fatty esters of heteric polyoxyalkyl

1977-06-23

1979-08-21

Cannon, J. C.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

252 89, 260 314R, 427428, B05D 128, C08K 510, D06M 338, D06M 508

Patent

active

041654056

ABSTRACT:
Lubricants, or processing aids, for synthetic fibers, particularly polyester and nylon fibers and most particularly for polyester fibers, are disclosed comprising a capped heteric polyoxyalkylene monoester having the formula: ##STR1## in which R is an aliphatic group having about 7 to about 22 carbon atoms; A is a mixture of oxyethylene and oxypropylene residues derived from the reaction of ethylene oxide and 1,2-propylene oxide in the respective ratio by weight of 3:7 to 4:1; n has a value to produce a molecular weight of about 300 to about 3000 and R' is derived from a monofunctional compound containing an OH group, preferably a monofunctional aryl alcohol or a monofunctional alkyl or arylalkyl alcohol, all having 1 to about 21 carbons in the alkyl chain.
Certain embodiments of the invention are particularly suited by their low viscosity for application to synthetic textile fibers or yarn without dilution in water. Unexpectedly, the fiber lubricants, or processing aids, of the invention volatilize without leaving a residue when they contact heated metal surfaces during the fiber processing operation and are characterized by smoke points of 160.degree. C. or above.

REFERENCES:
patent: 2425755 (1947-08-01), Roberts et al.
patent: 2457139 (1948-12-01), Fife et al.
patent: 3446734 (1969-05-01), Coats
patent: 3578594 (1971-05-01), Dombrow
patent: 3925588 (1975-12-01), Marshall et al.
patent: 3959187 (1976-05-01), Kardol

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