Dyeable copolymer of propylene containing a substituent from the class consisting of (a) sulfonic acid, (b) phosphonic acid and (c) sulfonamide

Claim 1

A DYEABLE, FIBER-FORMING COMPOSITION OF MATTER FROM THE CLASS CONSISTING OF(I) A COPOLYMER WHEREIN FROM ABOUT 99.75 TO ABOUT 75% OF THE REPEATING UNITS ARE PROPYLENE, THE REMAINDER REPEATING UNITS COMPRISING A RANDOM COPOLYMER WHEREIN FROM ABOUT 99 TO ABOUT 50% OF THE REPEATING UNITS ARE MEMBERS SELECTED FROM THE CLASS CONSISTING OF (A) STYRENE, (B) AN ALIPHATIC ESTER OF ACRYLIC ACID ACID (C) AN ALIPHATIC ESTER OF METHACRYLIC ACID; THE REMAINDER REPEATING UNITS OF THE SAID RANDOM COPOLYMER COMPRISING UNITS CONTAINING AN ORGANIC RADICAL BEARING A SUBSTITUENT SELECTED FROM THE CLASS CONSISTING OF (D) SULFONIC ACID, (E) PHOSPHONIC ACID AND (F) SULFONAMIDE; AND (II) A MIXTURE OF FROM ABOUT 99 TO ABOUT 75% BY WEIGHT OF THE ENTIRE COPOLYMER DEFINED IN "I" ABOVE, THE REMAINDER OF THE MIXTURE COMPRISING THE POLYMER OF THE RANDOM COPOLYMERIC COMPONENT OF THE BLOCK COPOLYMER DEFINED IN "I", AND (III) A MIXTURE OF FROM ABOUT 99 TO ABOUT 75% BY WEIGHT OF AT LEAST ONE COMPONENT SELECTED FROM A MEMBER OF THE CLASS CONSISTING OF (U) THE COMPOSITIONS DEFINED IN "I" ABOVE, (2) THE COMPOSITION DEFINED IN "II" ABOVE AND (3) A COPOLYMER WHEREIN FROM ABOUT 99 TO ABOUT 75% OF THE REPEATING UNITS ARE PROPYLENE, THE REMAINDER REPEATING UNITS BEING A MEMBER SELECTED FROM THE CLASS CONSISTING OF (A), (B) AND (C) ABOVE, THE REMAINDER OF THE MIXTURE COMPRISING AN INERT, DYEABLE LINEAR POLYAMIDE WHEREIN THE AMIDE LINKAGE IS AN INTEGRAL PART OF THE POLYMER CHAIN.