C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
Procede de preparation de pellicules en polyethylene presentant une resistance elevee a la traction et un module eleve, pellicules de polyethylene obtenues par ce procede et articles prepares a partir de ces pellicules
Compositions à base de polymère du propylène et de copolymère éthylène-acétate de vinyle, procédé pour leur mise en oeuvre, feuilles obtenues à partir de ces compositions