Abstract:
A terpolymer containing propylene, ethylene and an alpha olefins of formula CH2=CHZ wherein Z is an hydrocarbon group having from 2 to 10 carbon atoms wherein: (i) the content of ethylene derived units ranges from 0.5 wt% to 5.0 wt%; (ii) the content of alpha olefin derived units ranges from 1.0 wt% to 5.0 wt%; (iii) the area of the DSC curve after the peak of the melting point (Tm) represents more than 22%; of the total area of the DSC curve; (iv) the polydispersity index (PI) ranges from 2.0 to 7.0.
Abstract:
A fiber comprising a terpolymer containing propylene, ethylene and an alpha olefin of formula CH2=CHZ wherein Z is an hydrocarbon group having from 2 to 10 carbon atoms, wherein: (i) the content of ethylene derived units ranges from 0.5 wt% to 5.0 wt%; (ii) the content of alpha olefin derived units ranges from 1.0 wt% to 5.0 wt%; (iii) the amount (Wt%) of alpha-olefin (C6), the amount (Wt%) of ethylene (C2) and the melting point (Tm) of the terpolymer fulfil the following relation: Tm>157-6*(C2+0.8C6) (iv) the melt flow rate (MFR) (ISO 1133 230°C, 2.16 kg) ranges from 10 to 100 g/10 min.
Abstract:
A propylene polymer composition comprising (weight percentages being referred to the sum of A+B): A propylene polymer composition comprising (weight percentages being referred to the sum of A+B): (A) 60-90% by weight of a copolymer of propylene with ethylene containing less than 2.5%wt of ethylene units; and (B) 10-40% by weight of a copolymer of propylene comprising from 15 to 35%wt of ethylene units, said polymer composition having a melt flow rate value according to ISO 1133 (230°C, 2.16 Kg) of less than 10 g/10min.
Abstract:
A propylene polymer composition comprising (weight percentages being referred to the sum of A+B): (A) 75-95% by weight of a copolymer of propylene comprising from 0.5 to 3.0 mole% of comonomer units derived from ethylene and/or C4-C8 alpha-olefins; and (B) 5-25% by weight of a copolymer of propylene comprising from 25 to 45 mole% of ethylene units, said propylene polymer composition having a melt flow rate value according to ISO 1133 (230°C, 2.16 Kg) of from 20 to 40 g/10 min.
Abstract:
A propylene, ethylene, 1-butene terpolymer containing: a) from 1.8 wt% to 5.9 wt% of ethylene derived units; b) from 2.0 wt% to 4.5 wt% of 1 butene derived units; wherein: i) the ratio C2wt%/C4wt% ranges from 0.9 to 1.3; wherein C2wt% is the weight per cent of ethylene derived units and C4wt% is the weight per cent of 1-butene derived units; ii) the Melt flow rate ranges from 1.0 to 30.0 g/10 min, iii) the xylene soluble fraction at 25°C is comprised between 10 wt% and 30 wt%.
Abstract:
A polymer composition and/or an article containing: (a) a random propylene terpolymer which comprises: (i) 90.0 - 96.0 wt. %, based on the total weight of the propylene terpolymer, of propylene derived units; (ii) 3.0 - 7.0 wt. %, based on the total weight of the propylene terpolymer, of 1- butene derived units; and (iii) 1.0 - 5.0 wt. %, based on the total weight of the propylene terpolymer, of ethylene derived units; and (b) about 0.01 to about 1.0 wt. %, based on the total weight of the propylene terpolymer, of a clarifying agent, with the balance of the polymer composition being the random propylene terpolymer and/or optionally at least one additive.
Abstract:
A propylene ethylene 1-butene terpolymer wherein: (i) the content of ethylene derived units ranges from 1.1 wt% to 1.9 wt%, (ii) the content of 1-butene ranges from 5.0 wt% to 9.0 wt%, (iii) the melting point (Tm) of the non nucleated terpolymer ranges from 125°C to 137°C; (iv) the xylene soluble fraction at 25°C is lower than 8.0 wt%.
Abstract:
A propylene ethylene 1-butene terpolymer wherein: (i) the content of ethylene derived units ranges from 0.5 wt% to 2.0 wt%, (ii) the content of 1-butene rangesfrom 5.0 wt% to 8.0 wt%, (iii) the melting point (Tm) ranges from 136°C to 148°C; wherein said terpolymer is obtained with a polymerization process carried out in a gas-phase polymerization reactor comprising at least two interconnected polymerization zones.
Abstract:
A strap comprising a propylene and 1-hexene copolymer containing from 0.3wt% to less than 5wt% of 1-hexene derived units said copolymer having a melt flow rate (MFR) determined according to ISO method 1133 (230° C, 2.16 kg ranging from 0.3 to less than 11g/10min.
Abstract:
A corrugated board comprising a polyolefin composition comprising (per cent by weight): a) from 50% to 85 of a propylene polymer having a fraction of xylene solubles measured at 25°C lower than 3%; b) from 5% to 20%, of a copolymer of ethylene and propylene, the copolymer having an amount of recurring units deriving from ethylene ranging from 30 to 60%, and being partially soluble in xylene at soluble in xylene at 25°C; the polymer fraction soluble in xylene at soluble in xylene at 25°C having an intrinsic viscosity value ranging from 2.0 to 4.0 dl/g; and c) 5% to 30%), of ethylene homopolymer having having a xylene soluble fraction at 25°C ranging from 5% to 30%; the sum of a)+b) +c) being 100; said composition having a value of melt flow rate ranging from 0.5 to 30.0 g/10 min.