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    • 9. 发明授权
    • Heterophasic polyolefin compositions having improved tensile properties
    • 具有改进的拉伸性能的多相聚烯烃组合物
    • US08080616B2
    • 2011-12-20
    • US12734172
    • 2008-09-29
    • Giampaolo PellegattiPaolo GobertiLetizia BaraldiKazuhiko MinowaYukihiro Hisanaga
    • Giampaolo PellegattiPaolo GobertiLetizia BaraldiKazuhiko MinowaYukihiro Hisanaga
    • C08F8/00C08L9/00C08L23/04C08L23/10
    • C08L23/0815C08L23/10C08L2205/02C08L2666/06
    • Polyolefin composition comprising, in percent by weight: A) 50-75% of a blend of polymers (PP) and (ECI), wherein (PP) is selected from the group consisting of: (i) propylene homopolymers; (ii) copolymers of propylene; (iii) combinations of said homopolymers (i) and copolymers (ii); (EC1) is a copolymer of ethylene and propylene or CH2═CHR alpha-olefin(s), where R is a 2-8 carbon alkyl radical, or a copolymer of ethylene, propylene and the said CH2═CHR alpha-olefin(s), containing from 20 to 35%, of ethylene; and B) 25-50% of a copolymer (ECII) of ethylene and propylene or CH2═CHR alpha-olefin(s), where R is a 2-8 carbon alkyl radical, or a copolymer of ethylene, propylene and the said CH2═CHR alpha-olefin(s), containing from 40 to 60% of ethylene; in which composition the copolymer component (ECI) is present in amounts from 23 to 45% with respect to the total weight of (A), and the intrinsic viscosity [ηtot] of the fraction XS soluble in xylene at room temperature, referred to the total weight of (A)+(B), is of 3.5 dl/g or more.
    • 聚烯烃组合物,其以重量百分比计包含:A)50-75%的聚合物(PP)和(ECI)共混物,其中(PP)选自:(i)丙烯均聚物; (ii)丙烯的共聚物; (iii)所述均聚物(i)和共聚物(ii)的组合; (EC1)是乙烯和丙烯或CH 2 =CHRα-烯烃的共聚物,其中R是2-8个碳的烷基,或乙烯,丙烯和所述的CH 2 = CHR的α-烯烃的共聚物 ),含有20至35%的乙烯; 和B)25-50%的乙烯和丙烯或CH 2 =CHRα-烯烃的共聚物(ECII),其中R是2-8个碳的烷基,或乙烯,丙烯和所述的CH2的共聚物 含有40至60%乙烯的CHRα-烯烃; 在该组合物中,相对于(A)的总重量,共聚物组分(ECI)的存在量为23-45%,在室温下可溶于二甲苯的级分XS的特性粘度[eegr.tot] (A)+(B)的总重量为3.5dl / g以上。
    • 10. 发明申请
    • Cross-Linked Polyolefin Composition
    • 交联聚烯烃组合物
    • US20130096261A1
    • 2013-04-18
    • US13806710
    • 2011-06-23
    • Kazuhiko MinowaYukihiro HisanagaPaolo GobertiGiampaolo Pellegatti
    • Kazuhiko MinowaYukihiro HisanagaPaolo GobertiGiampaolo Pellegatti
    • C08L23/26
    • C08L23/26C08L23/0815C08L23/10C08L23/12C08L23/14C08L23/16C08L2203/202C08L2205/02C08L2205/03C08L2312/02C08L2666/02C08L23/08
    • A cross-linked composition, obtained by cross-linking polyolefin composition comprising, all percentages being by weight: A) from 5 to 38% of a polypropylene component; B) from 35 to 85% of a copolymer of ethylene with propylene, containing from 42 to 70% of ethylene and having solubility in xylene at room temperature greater than 50%; C) from 5 to 45% of a polymer composition comprising a blend of: i) from 20 to 80% of an ethylene copolymer having a Shore A hardness value equal to or lower than 90 points and containing up to 45% of at least one α-olefin comonomer, provided that, when propylene is present as comonomer, such copolymer i) has a composition which is different from B); ii) from 20 to 80% of a propylene copolymer having a Shore A hardness value equal to or lower than 90 points and containing up to 40% of at least one α-olefin comonomer; wherein the amounts of A), B) and C) are referred to the total weight of A)+B)+C) and the amounts of i) and ii) are referred to the weight of C).
    • 通过交联聚烯烃组合物获得的交联组合物,其包含所有百分比均为重量百分比:A)5-38%的聚丙烯组分; B)35至85%的乙烯与丙烯的共聚物,其含有42-70%的乙烯,并且在室温下在二甲苯中的溶解度大于50%; C)5至45%的聚合物组合物,其包含以下混合物的共混物:i)20至80%的肖氏A硬度值等于或低于90分的乙烯共聚物,并且含有至多45%的至少一种 α-烯烃共聚单体,条件是当丙烯作为共聚单体存在时,这种共聚物i)具有不同于B)的组成; ii)20至80%的肖氏A硬度值等于或低于90分并含有至多40%的至少一种α-烯烃共聚单体的丙烯共聚物; 其中A),B)和C)的量被称为A)+ B)+ C)的总重量,并且i)和ii)的量指C)的重量。