公开(公告)号：US20160319118A1

公开(公告)日：2016-11-03

申请号：US15105492

申请日：2014-12-15

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： PAOLA MASSARI ,  MARCO CIARAFONI ,  SANDER WILLEMS ,  JURGEN ROHRMANN

IPC: C08L23/12

CPC classification number: C08L23/12 ,  B29C45/0001 ,  C08K3/34 ,  C08L23/0815 ,  C08L23/16 ,  C08L2205/025 ,  C08L2207/02

Abstract: The present disclosure relates to a polypropylene composition for the production of molded articles, such as finished parts for the automotive industry, has melt flow rate (230° C., 2.16 kg) of at least 25 g/10 min and comprising: (A) 50-95% of a composition having an intrinsic viscosity of the fraction soluble in xylene at 25° C. of 3.0-5.0 dl/g; and (A1) 70-95% of a propylene homopolymer having a polydispersity index (PI) of 4.3-10, a fraction insoluble in xylene at 25° C. higher than 90% and an MFR (230° C., 2.16 kg) of 100-250 g/10 min; (A2) 5-30% of a copolymer of propylene with 36-44% of ethylene-derived units; (B) optionally up to 45% of a heterophasic propylene polymer, having an MFR (230° C., 2.16 kg) of 10-25 g/10 min, a flexural modulus higher than 1400 MPa, comprising 5-20% of a copolymer rubber component and 80-95% of a matrix propylene polymer component; (C) 2-10% of an ethylene based elastoplastic copolymer; and (D) optionally up to 20% of talc.

Abstract translation: 用于生产模制品的聚丙烯组合物，例如用于汽车工业的成品，其熔体流动速率（230℃，2.16Kg）为至少25g / 10min，包括：（A）50-95％ 在25℃下可溶于二甲苯的级分的特性粘度为3.0-5.0dl / g的组合物，其组成为：（Al）70-95％的多分散指数（PI）为4.3〜10的丙烯均聚物， 在25℃下不溶于二甲苯的馏分高于90％，MFR（230℃，2.16Kg）为100-250g / 10min; （A2）5-30％丙烯与36-44％乙烯衍生单元的共聚物; （B）任选多达45％的多相丙烯聚合物，MFR（230℃，2.16Kg）为10-25g / 10min，弯曲模量高于1400MPa，并且包含5-20％的共聚物橡胶 组分和80-95％的基质丙烯聚合物组分; （C）2-10％的乙烯基弹性共聚物; 和（D）任选地最多20％的滑石。

公开(公告)号：US20160137824A1

公开(公告)日：2016-05-19

申请号：US14903000

申请日：2014-06-24

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： RAINER KOHLER ,  MICHELE GRAZZI ,  JURGEN ROHRMANN ,  GIAMPAOLO PELLEGATTI

IPC: C08L23/14

CPC classification number: C08L23/14 ,  C08K7/14 ,  C08L23/0815 ,  C08L23/10 ,  C08L23/16 ,  C08L51/06 ,  C08L2205/02 ,  C08L2205/025

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 [η] 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 30 wt % 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 C4-C10 α-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 translation: 组合物，其包含（A）30至60重量％的软质聚烯烃组合物，其包含10-50重量％的丙烯共聚物（a），该共聚物含有1至8重量％的共聚单体含量; 50-90重量％的乙烯和其它α-烯烃的共聚物（b），其含有57-80％的乙烯; 其中共聚物组分（b）的含量与在室温（约25℃）下可溶于二甲苯的级分XS的重量比（b和XS）均指（a）+（b）的总重量， ，为1.5以下，所述XS馏分的特性粘度[ηe]为3dl / g以上， 共聚乙烯的总量优选为30〜65重量％。 （B）5〜30重量％的玻璃纤维填料; （C）0〜5重量％的增容剂; （D）10至40重量份的选自丙烯均聚物的聚丙烯组分，含有至多5摩尔％乙烯和/或C 4 -C 10α-烯烃的丙烯共聚物以及这些均聚物和共聚物的组合，其中 聚丙烯组分D）的熔体流动速率通常为0.3至2500g / 10min。