Abstract:
A polypropylene composition made from or containing: A) from 50 wt % to 90 wt %, based upon the total weight of the polypropylene composition, of a propylene homopolymer; and B) from 10 wt % to 50 wt %, based upon the total weight of the polypropylene composition, of a copolymer of propylene and ethylene having from 30.0 wt % to 70.0 wt %, based upon the total weight of the copolymer, of ethylene derived units; the polypropylene composition having: i) an intrinsic viscosity of the fraction soluble in xylene at 25° C. between 2.2 and 4.0 dl/g; ii) a MFR L from 0.5 to 100 g/10 min; and iii) a xylene soluble fraction ranging from 10 wt % to 50 wt %, based upon the total weight of the polypropylene composition.
Abstract:
A multilayer film made from or containing at least one core layer made from or containing a polypropylene composition made from or containing: A) from 95 wt % to 60 wt %; of a propylene homopolymer having a fraction insoluble in xylene at 25° C. greater than 90 wt %, based upon the total weight of the propylene homopolymer; and B) from 5 wt % to 40 wt %; of an heterophasic propylene ethylene copolymer, the sum of the amounts of A) and B) being 100.
Abstract:
The present disclosure relates to a multilayer film characterized by one or more skin layers comprising propylene/ethylene copolymers characterized by the following features: an ethylene derived units content of between 1.0 wt % and 15.0% wt %; and a molecular weight distribution (MWD), expressed in terms of Mw/Mn, of greater than 4.0;a content of xylene soluble fraction (XS) and an ethylene derived units content (C2) that fulfills the following relationship: XS
Abstract:
A propylene ethylene copolymer having the following features: an ethylene content of between 1.0 and 4.0% by weight; a molecular weight distribution (MWD), expressed in terms of Mw/Mn, of greater than 4.0; a content of xylene soluble fraction (XS) and ethylene content (C2) that fulfills the following relationship: (C2×1.1)+1.25
Abstract:
A film made from or containing a polyolefin composition made from or containing: A) from about 19 wt % to about 50 wt %, based upon the total weight of the polyolefin composition, of a propylene ethylene copolymer having an ethylene derived units content ranging from about 1.5 wt % to about 6.0 wt %, based upon the total weight of the propylene ethylene copolymer; and B) from about 50 wt % to about 81 wt %, based upon the total weight of the polyolefin composition, of a propylene ethylene 1-butene terpolymer having an ethylene derived units content ranging from about 1.5 wt % to about 6.0 wt %, based upon the total weight of the propylene ethylene 1-butene terpolymer, and 1-butene derived units content of between about 4.8 wt % and about 12.4 wt %, based upon the total weight of the propylene ethylene 1-butene terpolymer; the sum of the amount of component A) and B) being 100.
Abstract:
The present disclosure relates to a propylene-1-hexene copolymer having: i) a content of 1-hexene derived units ranging from 0.6 wt % to 3.0 wt %; ii) a melt flow rate (MFR) measured according to the method ISO 1133 (230° C., 5 kg) ranging from 0.5 g/10 min to 5.0 g/10 min; iii) a polydispersity (PI) ranges from 4.5 to 10 and the distribution of molecular weight is of multimodal type; iv) a melting point ranging from 160° C. to 145° C.; and v) a differential scanning calorimetry (DSC) curve (temperature/heat of fusion) that shows at least two peaks.
Abstract:
A terpolymer compositions made from or containing: A) From 80 wt % to 97 wt %; of a first propylene, ethylene, 1-butene terpolymer having: i) the content of ethylene derived units ranging from 0.5 wt % to 3.2 wt %; ii) the content of 1-butene derived units ranging from 7.2 wt % to 14.8 wt %; and B) From 20 wt % to 3 wt %; of a second propylene, ethylene, 1-butene terpolymer having: i) the content of ethylene derived units ranging from 0.5 wt % to 3.2 wt %; ii) the content of 1-butene derived units ranging from 14.4 wt % to 26.5 wt %; and the terpolymer composition having the melt flow rate, MFR, measured according to ISO 1133 at 230° C. with a load of 2.16 kg, ranging from 3.0 g/10 min to 20.0 g/10 min; the sum of the amounts of A) and B) being 100 wt %.
Abstract:
A polypropylene composition made from or containing: A) from 50 wt % to 90 wt %; of a propylene homopolymer; B) from 10 wt % to 50 wt %; of a copolymer of propylene having from 30.0 wt % to 70.0 wt %, of ethylene derived units, based upon the total weight of the copolymer; the sum of the amount of component A) and B) being 100; the polypropylene composition having: i) an intrinsic viscosity of the fraction soluble in xylene at 25° C. between 2.2 to 4.0 dl/g; ii) a MFR L (Melt Flow Rate according to ISO 1133, condition L, at 230° C. and 2.16 kg load) from 0.5 to 100 g/10 min; iii) a xylene soluble fraction ranging from 20 wt % to 50 wt %, based upon the total weight of the polypropylene composition; wherein the polypropylene composition being obtained by a polymerization process wherein the catalyst system contains bismuth.
Abstract:
A polyolefin composition made from or containing:A) from about 19 wt % to about 50 wt % of a propylene ethylene copolymer having an ethylene derived units content ranging from about 1.5 wt % to about 6.0 wt %B) from about 50 wt % to about 81 wt % of a propylene ethylene 1-butene terpolymer having an ethylene derived units content ranging from about 1.5 wt % to about 6.0 wt % and 1-butene derived units content between about 4.8 wt % and about 12.4 wt %;the sum of the amount of component A) and B) being 100;the polyolefin composition being characterized by the following features: molecular weight distribution (MWD), expressed in terms of Mw/Mn, greater than about 4.0; the creep and recovery curve measured on the polymer fuse at 200° C. shows a maximum value between 600 and 1200 seconds, lower than about 53×10−4 l/Pa.
Abstract:
The present disclosure relates to propylene-ethylene copolymers comprising an ethylene content of 0.1-10% by weight, a molecular weight distribution (MWD), expressed in terms of Mw/Mn, of greater than 3.0 and a xylene soluble (XS) fraction content defined by values that fall below the line given by the equation XS=1.0296·e0.435C2. The propylene-ethylene copolymers advantageously exhibit high transparency and low melting temperatures.