Modification of stereoregular polyolefins

Claim 1

A POLYMERIC COMPOSITION HAVING IMPROVED AFFINITY FOR DYES CONSISTING ESSENTIALLY OF: A MATRIX OF STEROREGULAR POLYOLEFIN TAKEN FROM THE GROUP CONSISTING OF: POLYPROPYLENE, POLYMETHYLPENTENE, AND POLYMETHYLBUTENE; SAID MATRIX HAVING DISPERSED THEREIN BETWEEN 2 AND 20 PERCENT BY WEIGHT OF A SYNERGISTIC COMBINATION CONSISTING OF: (1) 50 TO 95% BY WEIGHT OF A MODIFYING COPOLYMER WHICH IS HYDROPHILIC, NON-SOLUBLE IN THE POLYOLEFIN, AND FUSIBLE AT A TEMPERATURE BETWEEN 150* C. AND 350*C., SAID MODIFYING COPOLYMER BEING SELECTED FROM THE GROUP CONSISTING OF: (A) 30 TO 70% N-VINYL PYRROLIDONE/ 30 TO 70% VINYL ACETATE, (B) 60% N-VINYL PYRROLIDONE/40% VINYL METHYL ETHER, (C) 80% N-VINYL PYRROLIDONE/20% STYRENE, (D) 70% N-VINYL PYRROLIDONE/30% ETHYL ACRYLATE, (E) 70% N-ISOPRENYL PYRROLIDONE/ 30% ETHYLENE OXIDE, (F) 60% N-ACRYLYL PYRROLIDONE/ 40% ETHYL ACRYLAMIDE, (G) 50% N-VINYL METHYLPYRROLIDONE/50% VINYL METHYL ETHER, (H) 60% N-VINYL OXAZOLIDONE/ 40% ACRYLONITRILE, (I) 73% N-VINYL OXAZOLIDINONE/ 30% HYDROXYPROPYL METHACRYLAMIDE, (J) 50% N-VINYL - 5 - METHYL-2-OXAZOLIDINONE/50% VINYL ACETATE, (K) 60% N-VINYL MORPHOLINONE/ 40% METHYL ACRYLATE, AND (1) 90% N-VINYL PYRROLIDONE/10% ETHYLENE, SAID PERCENT BEING BY WEIGHT, AND (2) 5 TO 50% BY WEIGHT OF A LOWER MOLECULAR WEIGHT POLAR ORGANIC SUBSTANCE HAVING AT LEAST ONE ALKYL GROUP WITH 6 TO 30 CARBONS, SAID SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF: (A) ALKYL ESTERS OF POLYHYDROXY COMPOUNDS, (B) ALKYLENE AMINES, (C) FATTY AMIDES, (D) ALKYL ETHERS OF POLYHYDROXY COMPOUNDS, (E) ALKOXYLATED AMINES, (F) DI (2-ETHYLHEXYL) PHOSPHORIC ACID, (G) STEARYL ESTER OF PHOSPHORIC ACID, (H) SALTS OF DODECYLBENZENE SULFONIC ACID, (I) SALTS OF NAPHTHALENE SULFONIC ACID, (J) SALTS OF DI (2-ETHYLHEXYL) PHOSPHORIC ACID; SAID SYNERGISTIC COMBINATION BEIN FUSIBLE WITH SAID POLYOLEFIN AT PROCESSING TEMPERATURES UP TO 350*C.