Blends of a vinylidene cyanide polymer and a polyalkylene glycol or derivative thereof

Claim 1

A SUBSTANTIALLY HOMOGENEOUS, INTIMATE BLEND CONSISTING ESSENTIALLY OF (1) A FILAMENT-FORMING VINYLIDENE CYANIDE POLYMER CONTAINING AT LEAST 30 MOLE PERCENT VINYLIDENE CYANIDE UNITS THEREIN AND HAVIG AN INHERENT VISCOSITY OF AT LEAST 0.5 AS DETERMINED IN GAMMA-BUTYROLACTONE AT 25*C. AND, AS AN ADDITIVE TO IMPROVE DYEABILITY OF THE POLYMER, (2) ABOUT 4 TO 12% BASED ON THE WEIGHT OF VINYLIDENE CYANIDE UNITS IN SAID POLYMER, OF A SUBSTANCE SELECTED FROM THE GROUP CONSISTIG OF POLYALKYLENE GLYCOLS HAVING FROM 2 TO 4 CARBON ATOMS IN THE ALKYLENE GROUPS AND CONTAINING AT LEAST 3 ALKYLENE GLYCOL UNITS IN THE MAIN POLYMER CHAIN, ETHERS OF SAID POLYALKYLENE GLYCOLS SELECTED FROM THE GROUP CONSISTING OF THE LAURY MONO-ETHER OF POLYETHYLENE GLYCOL, LINEAR POLYETHERS OF POLYETHYLENE GLYCOL AND TEH GLYCIDYL DI-ETHER OF DI-(P-HYDROXYPHENYL)-DIMETHYL-METHANE, AN CHLORINE TERMINATED LINEAR POLYETHERS OF POLYETHYLENE GLYCOL AND EXCESS EPICHLOROHYDRIN, AND ESTERS OF SAID POLYALKYLENE GLYCOLS SELECTED FROM THE GROUP CONSISTING OF POLYXOYETHYLENE SORBITAN MONOLAURATE, LAURIC ACID MONO-ESTER OF POLYETHYLENE GLYCOL, STEARIC ACID MONO-ESTER OF POLYETHYLENE GLYCOL, ETHYLENE OXIDE ADUCT OF CASTOR OIL, ETHYLENE OXIDE ADDUCT OF HYDROGENATED CASTOR OIL, TALL OIL ESTER OF POLYETHYLENE GLYCOL, BENZOIC ACID DI-ESTER OF POLYETHYLENE GLYCOL, OLEIC ACID DI-ESTER OF POLYETHYLENE GLYCOL, STEARIC ACID TRI-ESTER OF TH ETHYLENE OXIDE ADDUCT TO SORBITAN, ETHYLENE OSICE ADDUCT TO PROPYLEN GLYCOL MONOSTEARATE, LINEAR POLYESTER OF SEBACIC ACID AND POLYETHYLENE GLYCOL, AND LINEAR POLYESTER OF AZELEIC ACID AND POLYETHYLENE GLYCOL.