Abstract:
A polyolefin composition comprising a first heterophasic polyolefin polymer A) comprising a crystalline propylene homopolymer matrix, a propylene ethylene copolymer having an ethylene content ranging from 20.0 wt% up to 35.0 wt%, a propylene ethylene copolymer having an ethylene content ranging from 55.0 wt% up to 70.0 wt%, and a second heterophasic polyolefin polymer B) comprising a crystalline propylene homopolymer matrix, a propylene ethylene copolymer having an ethylene content ranging from 40.0 wt% up to 50.0 wt%, and an ethylene exolefin copolymer having an ethylene content ranging from 65.0 wt% up to 85.0 wt%.
Abstract:
A polyolefin composition comprising: A) from 90.0 wt% to 99.0 wt%; of a copolymer of propylene with ethylene wherein: i) the content of ethylene derived units comprised between 1.0 wt% and 8.0 wt%; (ii) the melting temperature ranges from 135° C to 155° C; (iii) the melt flow rate (230°C/5 kg.. ISO 1133) ranging from 0.2 g/10min to 3.5 g/10min; (iv) the xylene solubles at 25°C ranges from 10.0 wt% to 4.0wt%; (v) the polydispersity, PI, ranges from 3.0 to 7.0; B) from 1.0 wt% to 10.0 wt%; of a propylene ethylene copolymer containing from 8.0 wt% to 20.0 wt% of ethylene; said copolymer having a MFR (measured at 190°C 2.16 kg of load) comprised between 0.5 g/10 min and 5.0 g/10 min wherein the resulting polyolefin composition has an melt flow rate (230°C/5 kg.. ISO 1133) ranging from 0.2 g/10min to 4.0 g/10min; the sum A+B being 100.
Abstract:
A polyolefin composition comprising: A) from 90.0 wt% to 99.0 wt%; of a copolymer of propylene with ethylene wherein: i) the content of ethylene derived units is comprised between 1.0 wt% and 8.0 wt%; (ii) the melting temperature ranges from 135° C to 155° C; (iii) the melt flow rate (230°C/5 kg.. ISO 1133) ranging from 0.2 g/10min to 3.5 g/10min; (iv) the xylene solubles at 25°C ranges from 20.0 wt% to 4.0wt%; (v) the polydispersity, PI, ranges from 3.0 to 7.0; B) from 1.0 wt% to 10.0 wt%; of a propylene, ethylene copolymer composition comprising: b1) from 12 wt% to 52 wt%; of a propylene homopolymer or a propylene/ethylene copolymer; b2) from 48 wt% to 88 wt% of a propylene ethylene copolymer having a content of ethylene derived units ranging from 15.0 wt% to 42.0 wt%.
Abstract:
A polyolefin composition comprising: A) from 85.0 wt% to 99.5 wt%; of a propylene 1-hexene copolymer B) from 0.5 wt% to 15.0 wt%; of a propylene, ethylene copolymer composition comprising: b1) from 12 wt% to 52 wt%; of a propylene homopolymer or a propylene/ethylene copolymer b2) from 48 wt% to 88 wt% of a propylene ethylene copolymer having a content of ethylene derived units ranging from 15.0 wt% to wt% to 42.0 wt%; wherein the resulting polyolefin composition has an melt flow rate (230°C/5 kg.. ISO 1133) ranging from 0.2 g/lOmin to 4.0 g/10min; the sum A+B being 100 and the sum b1+b2 being 100.
Abstract:
A polypropylene composition for injection-moulded drainage systems comprising 78-84 wt% of a crystalline propylene polymer, 8 to less than 13 wt% of an elastomeric copolymer and 8 to less than 13 wt% of polyethylene. The said composition exhibits a flexural modulus value higher than 1400 MPa, a melt flow rate (MFR), determined according to ISO method 1133 (230° C and 2.16 kg), of from 1.5 to 5.0 g/10 min, and a value of Izod impact resistance at 0° C of more than 6 kJ/m2 according to ISO method 180/1 A.
Abstract translation:一种用于注射成型的排水系统的聚丙烯组合物,其包含78-84重量%的结晶丙烯聚合物,8至小于13重量%的弹性体共聚物和8至小于13重量%的聚乙烯。 所述组合物显示高于1400MPa的挠曲模量值,根据ISO方法1133(230℃和2.16kg)测定的熔体流动速率(MFR)为1.5至5.0g / 10min,值为 根据ISO方法180/1 A,0℃下的悬臂梁式冲击强度大于6kJ / m 2。
Abstract:
A polyolefin composition comprising: A) from 90.0 wt% to 99.0 wt%;of a propylene homopolymer; B) from 1.0 wt% to 10.0 wt%; of a propylene, ethylene copolymer composition comprising: b1) from 14 wt% to 52 wt%; of a propylene homopolymer or a propylene/ethylene copolymer; b2) from 48 wt% to 86 wt% of a propylene ethylene copolymer having a content of ethylene derived units ranging from 20.0 wt% to 55.0 wt%; wherein the resulting polyolefin composition has an melt flow rate (230°C/5 kg.. ISO 1133) ranging from 0.2 g/10min to 4.0 g/10min; the sum of amounts of A+B being 100 and the sum of amounts of b1+b2 being 100.
Abstract:
A propylene-1-hexene copolymer having: i) a content of 1-hexene derived units ranging from 0.6 wt% to 3.0 wt%; ii) 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) the polydispersity (PI) ranges from 4.5 to 10 and the distribution of molecular weight is of multimodal type; iv) the melting point ranges from 160°C to 145°C; v) the DSC curve (temperature/heat of fusion) shows at least two peaks.
Abstract:
A polyolefin composition comprising (percent by weight): A) from 7% to 19%; of a copolymer of propylene and 1-hexene wherein said copolymer contains less than 1% of recurring units derived from hexene-1; B) from 81% to 93% of a heterophasic polypropylene composition comprising: B1) from 86% to 95% of a propylene homopolymer, said propylene polymer being insoluble in xylene at room temperature in an amount over 85% having a polydispersity Index ranging from 3 to 10; and a Melt Index from 0.5 to 10 dg/min; B2) from 5% to 14% of a copolymer of ethylene and propylene having an ethylene derived units content ranging from 50% to 65%; said polymeric composition having a Melt Index from 0.05 to 10 dg/min.