HIGH SHRINK POLYPROPYLENE FILMS
    23.
    发明申请
    HIGH SHRINK POLYPROPYLENE FILMS 有权
    高收缩聚丙烯薄膜

    公开(公告)号:US20100298516A1

    公开(公告)日:2010-11-25

    申请号:US12448395

    申请日:2007-12-05

    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 on the total weight of said copolymer. The said films are particularly suited for the manufacturing of shrink labels.

    Abstract translation: 在100℃下的收缩率为至少15%且至少一层的单取向膜包含与乙烯和任选的其它式CH 2 = CHR的其它烯烃的丙烯共聚物,其中R是含有2个 至少为10个碳原子,具有至少5.5重量%的乙烯,根据ISO 1133(230℃,2.16Kg)小于10的熔体流动速率和在25℃下可溶于二甲苯的聚合物的分数范围 基于所述共聚物的总重量为14至30重量%。 所述膜特别适用于制造收缩标签。

    PROCESS FOR PRODUCING PROPYLENE TERPOLYMERS
    25.
    发明申请
    PROCESS FOR PRODUCING PROPYLENE TERPOLYMERS 审中-公开
    生产丙烯三聚体的方法

    公开(公告)号:US20100137505A1

    公开(公告)日:2010-06-03

    申请号:US12733016

    申请日:2008-07-29

    Abstract: The present invention relates to a process for producing a propylene terpolymer comprising comonomer units derived from ethylene and from one alpha-olefin selected from the group of C4-C8 alpha-olefins and being characterized by a total content of comonomer units not less than 8% wt and a value of the ratio of ethylene to the C4-C8 alpha-olefins ranging from 0.1 to 0.8, said process being carried out in a gas-phase reactor comprising two interconnected polymerization zones.The present invention further relates to the propylene terpolymer obtained by said process particularly suitable to be used as films such as cast films, bi- or mono-oriented films and heat-sealable films having good optical properties and excellent sealing properties combined with good shrinkage properties and softness.

    Abstract translation: 本发明涉及一种制备丙烯三元共聚物的方法,其包括衍生自乙烯和选自C4-C8α-烯烃的一种α-烯烃的共聚单体单元,其特征在于共聚单体单元的总含量不低于8% wt,乙烯与C 4 -C 8α-烯烃的比例为0.1至0.8,所述方法在包含两个互连聚合区的气相反应器中进行。 本发明还涉及通过所述方法获得的丙烯三元共聚物,其特别适合用作膜,例如流延膜,双或单取向膜和具有良好光学性能和优异的密封性能以及良好收缩性能的可热封膜 和柔软度。

    SOFT PROPYLENE POLYMER COMPOSITIONS
    26.
    发明申请
    SOFT PROPYLENE POLYMER COMPOSITIONS 有权
    软丙烯聚合物组合物

    公开(公告)号:US20100130691A1

    公开(公告)日:2010-05-27

    申请号:US12451590

    申请日:2008-05-16

    CPC classification number: C08F210/06 C08F210/16 C08F2500/11 C08F2500/20

    Abstract: A propylene polymer composition having a Flexural modulus lower than 500 MPa, a total ethylene content from 9 to 30% by weight, a xylene soluble fraction at room temperature higher than 25% by weight, a melting temperature measured by DSC (Tm° C.) from 130 to 150° C. and a ratio between the weight of xylene soluble fraction at 25° C. and the hexane soluble fraction determined on plaque (100 μm) of higher than 4.

    Abstract translation: 弯曲模量低于500MPa,总乙烯含量为9〜30重量%,室温高于25重量%的二甲苯可溶成分,DSC测定的熔融温度(Tm℃)的丙烯聚合物组合物 )和在25℃下的二甲苯可溶级分的重量与高于4的斑块(100μm)测定的己烷可溶级分之间的比率。

    Propylene polymer composition for thermoforming
    27.
    发明申请
    Propylene polymer composition for thermoforming 审中-公开
    用于热成型的丙烯聚合物组合物

    公开(公告)号:US20090306298A1

    公开(公告)日:2009-12-10

    申请号:US11919096

    申请日:2006-03-23

    Abstract: A propylene polymer composition comprising (weight percentages being referred to the sum of A+B): A propylene polymer composition comprising (weight percentages being referred to the sum of A+B): (A) 60-90% by weight of a copolymer of propylene with ethylene containing less than 2.5% wt of ethylene units; and (B) 10-40% by weight of a copolymer of propylene comprising from 15 to 35% wt of ethylene units, said polymer composition having a melt flow rate value according to ISO 1133 (230° C., 2.16 Kg) of less than 10 g/10 min.

    Abstract translation: 丙烯聚合物组合物,其包含(重量百分数指A + B之和):丙烯聚合物组合物,其包含(重量百分数指A + B之和):(A)60-90重量%的共聚物 的丙烯与含有小于2.5重量%乙烯单元的乙烯; 和(B)10-40重量%的包含15至35重量%乙烯单元的丙烯共聚物,所述聚合物组合物具有根据ISO 1133(230℃,2.16Kg)的熔体流动速率值较小 超过10克/ 10分钟。

    Process for producing propylene terpolymers

    公开(公告)号:US10150828B2

    公开(公告)日:2018-12-11

    申请号:US12733016

    申请日:2008-07-29

    Abstract: The present invention relates to a process for producing a propylene terpolymer comprising comonomer units derived from ethylene and from one alpha-olefin selected from the group of C4-C8 alpha-olefins and being characterized by a total content of comonomer units not less than 8% wt and a value of the ratio of ethylene to the C4-C8 alpha-olefins ranging from 0.1 to 0.8, said process being carried out in a gas-phase reactor comprising two interconnected polymerization zones.The present invention further relates to the propylene terpolymer obtained by said process particularly suitable to be used as films such as cast films, bi- or mono-oriented films and heat-sealable films having good optical properties and excellent sealing properties combined with good shrinkage properties and softness.

    Polyolefin-based containers
    29.
    发明授权
    Polyolefin-based containers 有权
    聚烯烃基容器

    公开(公告)号:US09045247B2

    公开(公告)日:2015-06-02

    申请号:US14004114

    申请日:2012-03-08

    Abstract: A container comprising a polyolefin composition comprising: A) from 59 wt. % to 84 wt. %, based upon the total weight of the polyolefin composition, of a propylene homopolymer having isotactic pentads (mmmm) measured with 13C-NMR higher than 96%, B) from 16 wt. % to 41 wt. %, based upon the total weight of the polyolefin composition, of a copolymer of propylene and ethylene, wherein the copolymer of propylene and ethylene comprises from 30 wt. % to 44 wt. %, of ethylene derived units based upon total weight of the copolymer of propylene and ethylene; the sum A)+B) being 100 wt. %; the polyolefin composition having an MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230° C. and 2.16 kg load) between 72 and 100 g/10 min.

    Abstract translation: 一种包含聚烯烃组合物的容器,其包含:A)59重量% %至84重量% %,基于聚烯烃组合物的总重量,具有13C-NMR测量的具有全同立构五单元组(mmmm)的丙烯均聚物高于96%,B)为16重量% %至41重量% %,基于聚烯烃组合物的总重量,丙烯和乙烯的共聚物,其中丙烯和乙烯的共聚物包含30wt。 %至44重量% 基于丙烯和乙烯的共聚物的总重量的乙烯衍生单元的%; 总和A)+ B)为100重量% %; 该聚烯烃组合物在72-100g / 10min之间具有MFR L(根据ISO 1133的熔体流动速率,条件L,即230℃和2.16kg负荷)。

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