Fiber lubricants derived from the oxyalkylation of a glycerol-1,

Details Fiber lubricants derived from the oxyalkylation of a glycerol-1, Fiber lubricants derived from the oxyalkylation of a glycerol-1,

1978-10-30

1980-08-12

Ansher, Harold

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

252 89, 252 495, 252 52A, 252 56S, 2604106, 427170, 428409, 568625, D06M 330, C10M 106, C10M 120, B32B 2702

Patent

active

042173906

ABSTRACT:
Lubricants and processing aids for synthetic fibers, particularly polyester and nylon fibers, are disclosed comprising compounds having the structural formulas: ##STR1## and ##STR2## in which R is an aliphatic group generally having about 3 to about 22 carbon atoms; A is a mixture of residues from ethylene oxide and at least one other lower alkylene oxide, preferably a heteric mixture of oxyethylene and oxypropylene residues in the respective ratio by weight of 20:80 to 90:10; and n has a value to produce a molecular weight of about 300 to about 3000.
Where liquid products are desired which contain the higher numbered carbon chain residues, low viscosity compounds can be obtained by oxyalkylating a glycerol-1,3-dialkylether with a mixture of ethylene oxide and 1,2-propylene oxide in the respective ratio as set forth above. Thus it is possible by properly balancing the carbon chain length of the R groups in the lubricant compounds of the invention with the oxyalkylene chain length to obtain products varying between water insoluble and water soluble. The oxyalkylated fiber lubricants of the invention have the properties of viscous liquids, solids or pastes at ambient temperature.

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