Abstract:
Composition comprising (A) from 30 to 60 by weight, of a soft polyolefin composition comprising, 10-50% by weight of a copolymer (a) of propylene, which copolymer contains from 1 to 8% of comonomer content; 50-90wt% of a copolymer (b) of ethylene and other alpha-olefin(s), containing from 57 to 80% of ethylene; wherein the weight ratio of the content of copolymer component (b) to the fraction XS soluble in xylene at room temperature (about 25 °C), both (b and XS) referred to the total weight of (a) + (b), is of 1.5 or less, and the intrinsic viscosity [·] of the said XS fraction is of 3 dl/g or more; and the total quantity of copolymerized ethylene is preferably from 30% to 65% by weight; (B) from 5 to 30wt% of a glass fiber filler; (C) from 0 to 5 % by weight of a compatibilizer; (D) from 10 to 40 by weight of a polypropylene component selected from propylene homopolymers, propylene copolymers containing up to 5% by moles of ethylene and/or C 4 -C 10 ±-olefin(s) and combinations of such homopolymers and copolymers, wherein the Melt Flow Rate, of the polypropylene component D) is generally from 0.3 to 2500 g/10 min.
Abstract:
Polyolefin compositions suitable for injection moulded items e.g. for impact bumpers and car interiors comprising from 30% to 90% by weight of an heterophasic propylene polymer composition (A) ; and from 10% to 70% by weight of a multimodal ethylene/C6-C12 alpha olefin copolymer (B); having density from 0.850 to 0.920 g/cm 3 , total comonomer content from 6% to 30% by weight, Mw/Mn from 4 to 20; intrinsic viscosity in decalin at 135°C from 1.0 to 4.0 dL/g, and comprising an HDPE fraction (HDPE %wt) up to 30%wt; further comprising up to 50 % by weight of a filler (C) and optionally, in amount up to 10% by weight with respect to the overall composition, an impact modifier masterbatch component (D) consisting of a ultra-soft heterophasic copolymer component.
Abstract:
A copolymer of propylene with hexene-1 containing from 5 to 9% by weight of recurring units derived from hexene-1, having a melting temperature from 125° C. to 140° C. and Melt Flow Rate (ASTM D1238, 230° C./2.16 Kg) from 0.1 to 3 g/10 min., is used to produce blown films having valuable mechanical and optical properties.
Abstract translation:丙烯与己烯-1的共聚物,其含有5至9重量%的衍生自己烯-1的重复单元,其熔点为125-140℃,熔体流动速率(ASTM D1238,230 / 2.16Kg)为0.1至3 g / 10分钟,用于生产具有有价值的机械和光学性能的吹塑薄膜。
Abstract:
A masterbatch composition comprising, all percent amounts being by weight: A) 10-45 % of a homopolymer or a copolymer of propylene; B) 10-30 % of a copolymer of propylene with ethylene, containing from 18 to 45 % of ethylene; C) 42-60 % of a copolymer of propylene with ethylene, containing from 55 to 85 % of ethylene; said composition having a MFR L value from 0.01 to 10 g/10 min., a value of the intrinsic viscosity [η] sol of the fraction soluble in xylene at room temperature from 1.5 to 2.5 dl/g and a value of the ratio [η] sol /MFR L equal to or lower than 6.
Abstract:
Mono-oriented film having a shrink rate at 100°C of at least 15% and at least one layer of which comprises a propylene copolymer with ethylene and optionally other olefins of formula CH2=CHR in which R is an alkyl group containing from 2 to 10 carbon atoms, having at least 5.5% wt of ethylene, a melt flow rate according to ISO 1133 (230°C, 2.16 Kg) of less than 10, and a fraction of polymer soluble in xylene at 25°C ranging from 14 to 30% weight based o the total weight of said copolymer. The said films are particularly suited for the manufacturing of shrink labels.