Abstract:
A heterophasic polypropylene composition comprising (percent by weight referred to the sum of components A) and B)): A) from 80 % to 97 % of a random copolymer of propylene containing from 0.1 to 4 % of 1-hexene derived units; B) from 3-20 % of a copolymer of propylene and ethylene having a content of ethylene derived units ranging from 50 % to 55 % extremes excluded; wherein the heterophasic polypropylene composition is endowed with a Melt Flow Rate: measured according to ISO 1133 (230 °C, 5 Kg) ranging from 0.5 to 5 g/10min; and an intrinsic viscosity (IV) of the fraction soluble in xylene at room temperature ranging from 2.5 to 5.5;
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:一种用于注模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%的弹性共聚物和8至小于13重量%的聚乙烯。 所述组合物显示出高于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,并且 根据ISO方法180/1 A,在0℃下伊佐德抗冲击性大于6kJ / m 2。
Abstract:
The present disclosure relates to a mixture comprising: (A) 70%-98% by weight of a bitumen; and (B) 2%-30% by weight of a copolymer of butene-1 with Melt Flow Rate values, measured according to ISO 1133 (190°C, 2.16kg), of from 200 to 1500 g/10min.; wherein the amounts of (A) and (B) are referred to the total weight of (A) + (B).
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.