Polypropylene composition
    1.
    发明授权

    公开(公告)号:US11091618B2

    公开(公告)日:2021-08-17

    申请号:US16641694

    申请日:2018-08-30

    IPC分类号: C08L23/14 C08J3/00

    摘要: The invention relates to a composition comprising: (A) a propylene-based polymer which is a propylene homopolymer or a propylene copolymer consisting of at least 90 wt % of propylene monomer units and at most 10 wt % of ethylene monomer units and/or an α-olefin monomer units having 4 to 10 carbon atoms and (B) a copolymer of ethylene and α-olefin comonomer having 4 to 10 carbon atoms, wherein the elastomer has a density of 0.850 to 0.910 g/cm3 and a melt flow rate of 15 to 50 dg/min measured in accordance with IS01 133 using a 2.16 kg weight and at a temperature of 190° C., wherein the amount of (A) the propylene-based polymer is 60 to 99 wt % and the amount of (B) the copolymer is 1 to 40 wt %, with respect to the total composition.

    Bi-axially stretched article and silage film

    公开(公告)号:US10457023B2

    公开(公告)日:2019-10-29

    申请号:US15036328

    申请日:2014-11-14

    摘要: The present invention relates to biaxially stretched article obtained by stretching a thermoplastic composition in a machine direction and a transverse direction at elevated temperature, said thermoplastic composition comprising: —a polyolefin phase containing at least one polyolefin, —a starch phase containing thermoplastic starch, —at least one compatibilizer selected from the group consisting of ethylene vinyl alcohol copolymers, block saponified polyvinyl acetate and random terpolymers of ethylene, butylacrylate and maleic anhydride, wherein the total of the at least one polyolefin, the thermoplastic starch and the at least one compatibilizer is more than 80 wt % of the weight of the thermoplastic composition and wherein the article has a layered morphology with alternating layers of starch phase and polyolefin phase, said layers of starch phase and polyolefin phase extending in machine direction and transverse direction.

    BI-AXIALLY STRETCHED ARTICLE AND SILAGE FILM
    3.
    发明申请
    BI-AXIALLY STRETCHED ARTICLE AND SILAGE FILM 审中-公开
    双轴拉伸文章和粘膜

    公开(公告)号:US20160297186A1

    公开(公告)日:2016-10-13

    申请号:US15036328

    申请日:2014-11-14

    摘要: The present invention relates to biaxially stretched article obtained by stretching a thermoplastic composition in a machine direction and a transverse direction at elevated temperature, said thermoplastic composition comprising: —a polyolefin phase containing at least one polyolefin, —a starch phase containing thermoplastic starch, —at least one compatibiliser selected from the group consisting of ethylene vinyl alcohol copolymers, block saponified polyvinyl acetate and random terpolymers of ethylene, butylacrylate and maleic anhydride, wherein the total of the at least one polyolefin, the thermoplastic starch and the at least one compatibiliser is more than 80 wt % of the weight of the thermoplastic composition and wherein the article has a layered morphology with alternating layers of starch phase and polyolefin phase, said layers of starch phase and polyolefin phase extending in machine direction and transverse direction.

    摘要翻译: 本发明涉及通过在高温下在机器方向和横向上拉伸热塑性组合物而获得的双轴拉伸制品,所述热塑性组合物包含: - 含有至少一种聚烯烃的聚烯烃相, - 含有热塑性淀粉的淀粉相 - 选自乙烯乙烯醇共聚物,嵌段皂化聚乙酸乙烯酯和乙烯,丙烯酸丁酯和马来酸酐的无规三元共聚物的至少一种增容剂,其中所述至少一种聚烯烃,热塑性淀粉和至少一种增容剂的总量为 所述热塑性组合物的重量大于80重量%,并且其中所述制品具有层状形态,具有交替层的淀粉相和聚烯烃相,所述淀粉相和聚烯烃相层在纵向和横向上延伸。

    Composition comprising heterophasic propylene copolymer

    公开(公告)号:US11332604B2

    公开(公告)日:2022-05-17

    申请号:US16635670

    申请日:2018-08-03

    摘要: The invention relates to composition comprising (A) a propylene-based polymer, (B1) a first elastomer of ethylene and α-olefin comonomer having 4 to 10 carbon atoms, (B2) a second elastomer of ethylene and α-olefin comonomer having 4 to 10 carbon atoms and (C) an inorganic filler, wherein (B1) the first elastomer has a density of 0.850 to 0.890 g/cm3 and a melt flow index of 5 to 50 dg/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190° C., wherein (B2) the second elastomer has a density of 0.850 to 0.890 g/cm3 and a melt flow index of 0.55 to 4 dg/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190° C., wherein the total amount of (B1) the first elastomer and (B2) the second elastomer is 2 to 30 wt % based on the total composition, wherein the amount of (C) the inorganic filler is 0.1 to 30 wt % based on the total composition.

    Composition comprising heterophasic propylene copolymer

    公开(公告)号:US11072698B2

    公开(公告)日:2021-07-27

    申请号:US16635666

    申请日:2018-08-02

    摘要: The invention relates to a composition comprising (A) a propylene-based polymer, (B) an elastomer of ethylene and α-olefin comonomer having 4 to 10 carbon atoms and (C) an inorganic filler, wherein (A) the propylene-based polymer has a melt flow index of 60 to 150 dg/min measured according to ASTM D1238 (2.16 kg/230° C.) and wherein (B) the elastomer has a density of 0.840 to 0.865 g/cm3, wherein (B) the elastomer has a melt flow index of 3 to 13 dg/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190° C., wherein the amount of (B) the elastomer is 2 to 30 wt % based on the total composition, wherein the amount of (C) the inorganic filler is 0.1 to 30 wt % based on the total composition.