HEAT-SEALABLE POLYOLEFIN FILMS AND SHEETS
    1.
    发明申请
    HEAT-SEALABLE POLYOLEFIN FILMS AND SHEETS 审中-公开
    高密度聚烯烃薄膜和薄片

    公开(公告)号:US20160159996A1

    公开(公告)日:2016-06-09

    申请号:US14906873

    申请日:2014-07-01

    Abstract: The present technology relates to films or sheets comprising a layer of a heterophasic propylene copolymer containing up to 7.0% by weight of ethylene-derived units and comprising: (a) 80%-92% by weight of a matrix phase comprising a propylene homopolymer or a propylene copolymer containing up to 5% by weight of units derived from ethylene and/or an alpha-olefin; and (b) 8%-20% by weight of a rubber phase comprising an ethylene-propylene copolymer containing 20%-60% by weight of ethylene-derived units.

    Abstract translation: 本技术涉及包含含有至多7.0重量%的来自乙烯的单元的多相丙烯共聚物层的膜或片,并且包含:(a)80重量%-92重量%的包含丙烯均聚物的基质相或 含有至多5重量%的衍生自乙烯和/或α-烯烃的单元的丙烯共聚物; 和(b)8重量%-20重量%的包含含有20重量%-60重量%乙烯衍生单元的乙烯 - 丙烯共聚物的橡胶相。

    NUCLEATED PROPYLENE POLYMER COMPOSITION
    4.
    发明申请

    公开(公告)号:US20190322850A1

    公开(公告)日:2019-10-24

    申请号:US16341584

    申请日:2017-10-05

    Abstract: A nucleated propylene polymer composition made from or containing: A) a propylene homopolymer; B) a copolymer of propylene with ethylene derived units; the nucleated composition having a fraction soluble in xylene at 25° C. between 9.0 and 21.0 wt %, an intrinsic viscosity of the fraction soluble in xylene at 25° C. between 1.0 and 1.9 dl/g, a total melt flow rate between 1.5 and 5 g/10 min and the value of the relation (I): 22.5+0.2*MFR−1.2*Xs+0.2*IV  (I) is higher than 5.9; wherein MFR is the melt flow rate of the nucleated composition; IV is the intrinsic viscosity of the fraction soluble in xylene at 25° C.; and Xs is the fraction soluble in xylene at 25° C., the amount of A+B is equal to 100 wt %, and the nucleating agent is selected from the group consisting of aromatic or aliphatic carboxylic acids, aromatic metal phosphates, sorbitol derivatives and talc.

    COMPOSITION COMPRISING PROPYLENE-ETHYLENE-1-BUTENE TERPOLYMERS

    公开(公告)号:US20180237623A1

    公开(公告)日:2018-08-23

    申请号:US15750772

    申请日:2016-07-19

    Abstract: A polyolefin composition made from or containing: A) from 19 wt % to 50 wt % of a propylene ethylene copolymer having an ethylene derived units content ranging from 1.5 wt % to 6.0 wt; B) from 50 wt % to 81 wt % of a propylene ethylene 1-butene terpolymer having an ethylene derived units content ranging from 1.5 wt % and 6.0 wt % and 1-butene derived units content of between 4.8 wt % and 12.4 wt %; wherein the ratio C2 wt %/C4 wt % is between 0.22 and 3.0, where C2 wt % is the weight percent of ethylene derived units and C4 wt % is the weight percent of 1-butene derived units; the content of xylene soluble fraction at 25° C. is between 2 and 15 wt %; molecular weight distribution (MWD), expressed in terms of Mw/Mn, greater than 4.0; recoverable compliance at 200° C. having a maximum value between 800 and 1200 seconds, lower than 65×10−5 Pa−1.

    BOPP MULTILAYER FILM
    6.
    发明申请

    公开(公告)号:US20220032593A1

    公开(公告)日:2022-02-03

    申请号:US17311076

    申请日:2019-11-18

    Abstract: A BOPP multilayer film having at least three layers made from or containing a nucleated propylene polymer composition having: A) from 77 wt % to 91 wt %, of a propylene homopolymer having a fraction insoluble in xylene at 25° C. higher than 95%; B) from 9 wt % to 23 wt %, of a copolymer of propylene with from 28.0 wt % to 42.0 wt % of ethylene derived units; and C) a nucleating agent selected from aromatic or aliphatic carboxylic acids, aromatic metal phosphates, sorbitol derivatives and talc, wherein the composition has an intrinsic viscosity (IV) of the fraction soluble in xylene at 25° C. between 1.0 dl/g and 1.9 dl/g, a fraction soluble (Xs) in xylene at 25° C. between 9.0 wt % and 21.0 wt %, a total melt flow rate (MFR) between 1.5 and 5 g/10 min and the value of the relation (I): 22.5+0.2*MFR−1.2*Xs+0.2*IV  (I) higher than 5.9.

    HEAT-SHRINKABLE LABEL
    7.
    发明申请

    公开(公告)号:US20200255609A1

    公开(公告)日:2020-08-13

    申请号:US16758763

    申请日:2018-10-31

    Abstract: A heat-shrinkable label made from or containing a terpolymer film containing propylene, ethylene and 1-hexene, wherein the terpolymer has: (i) a content of ethylene derived units ranging from 0.5 wt % to 5.0 wt %, (ii) a content of 1-hexene derived units ranging from 1.0 wt % to 6.0 wt %, (iii) a melt flow rate (MFR) (ISO 1133 230° C., 2.16 kg) ranging from 0.5 to 20 g/10 min, and (iv) a polydispersity index (P.I.) ranging from 2.0 to 7.0.

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