Thermoplastic olefinic compositions
    4.
    发明申请
    Thermoplastic olefinic compositions 审中-公开
    热塑性烯烃组合物

    公开(公告)号:US20050209403A1

    公开(公告)日:2005-09-22

    申请号:US11004468

    申请日:2004-12-03

    摘要: Thermoplastic olefinic compositions comprising (a) at least one ethylene/α-olefin polymer having a PRR between 8 and 70 and (b) at least one one polyolefin polymer selected from the group of polyethylene homopolymers and α-olefin interpolymers having a PRR less than 4, ethylene/acrylic acid copolymers, ethylene/vinyl acetate copolymers, and styrenic/olefinic block interpolymers and an (a)/(b) weight ratio of greater than 50/less than 50 to 90/10. The compositions are used in extrusion, calendaring, blow molding, foaming and thermoforming processes to make a variety of articles, such as automotive instrument panel skins.

    摘要翻译: 热塑性烯烃组合物,其包含(a)至少一种PRR在8和70之间的乙烯/α-烯烃聚合物和(b)至少一种聚烯烃聚合物,其选自聚丙烯均聚物和α-烯烃互聚物,其PRR小于 4,乙烯/丙烯酸共聚物,乙烯/乙酸乙烯酯共聚物和苯乙烯/烯烃嵌段互聚物和(a)/(b)重量比大于50 /小于50至90/10。 组合物用于挤出,压延,吹塑,发泡和热成型过程中,以制备各种制品,例如汽车仪表板表皮。

    Thermoformed, extruded sheeting with reduced gloss
    6.
    发明申请
    Thermoformed, extruded sheeting with reduced gloss 有权
    热成型,挤出薄片,光泽度降低

    公开(公告)号:US20070167575A1

    公开(公告)日:2007-07-19

    申请号:US11429836

    申请日:2006-05-08

    IPC分类号: C08L23/04

    摘要: The invention is directed to compositions comprising an elastomer component and a propylene component, and in which the elastomer component comprises at least one ethylene/α-olefin polymer, optionally containing a diene, and the polypropylene component comprises at least one branched polypropylene. Preferably, the elastomer component has a melt tan delta between about 0.7 and about 8, as measured by parallel plate rheometer at 0.1 rad/sec, 190° C., and 15 percent strain; and the ratio of the “melt tan delta of the elastomer component” to the “melt tan delta of the propylene component” is from 0.5 to 4. The invention also provides for method of making such compositions, and to low gloss articles prepared from the same. The inventive compositions are particularly suitable for fabricating thermoformed sheeting with reduced gloss.

    摘要翻译: 本发明涉及包含弹性体组分和丙烯组分的组合物,其中弹性体组分包含至少一种任选含有二烯的乙烯/α-烯烃聚合物,聚丙烯组分包含至少一种支化聚丙烯。 优选地,弹性体组分具有约0.7至约8的熔体三角洲,如平行板流变仪以0.1rad / sec,190℃和15%应变测量的; “弹性体组分的熔融三角洲”与“丙烯组分的熔融三角洲”的比率为0.5至4.本发明还提供了制备这种组合物的方法,并且低光泽化由 相同。 本发明的组合物特别适用于制造具有降低光泽度的热成型片材。

    Thermoplastic vulcanizate comprising interpolymers of ethylene alpha-olefins
    9.
    发明申请
    Thermoplastic vulcanizate comprising interpolymers of ethylene alpha-olefins 有权
    包含乙烯α-烯烃互聚物的热塑性硫化橡胶

    公开(公告)号:US20060199910A1

    公开(公告)日:2006-09-07

    申请号:US11377006

    申请日:2006-03-15

    IPC分类号: C08F8/00

    摘要: Thermoplastic vulcanizates comprise at least an ethylene/α-olefin interpolymer and at least one thermoplastic polymer, such as polyolefin. The ethylene/α-olefin interpolymer is a block copolymer having at least a hard block and at least a soft block. The soft block comprises a higher amount of comonomers than the hard block. The block interpolymer has a number of unique characteristics disclosed here. The block interpolymer is either used as a compatibilizer between a vulcanizable elastomer and a thermoplastic polymer or as a vulcanizable elastomer when it is in the EPDM form. The thermoplastic vulcanizates can be profiled extruded to make profiles and gaskets.

    摘要翻译: 热塑性硫化胶包含至少一种乙烯/α-烯烃互聚物和至少一种热塑性聚合物,例如聚烯烃。 乙烯/α-烯烃互聚物是至少具有硬嵌段和至少一个软嵌段的嵌段共聚物。 软块包含比硬块更高量的共聚单体。 嵌段互聚物具有这里公开的许多独特特征。 嵌段互聚物既可用作可硫化弹性体和热塑性聚合物之间的增容剂,也可用作可硫化弹性体,当其为EPDM形式时。 热塑性硫化橡胶可以成型挤压成型材和垫圈。

    Thermoplastic elastomer compositions rheology-modified using peroxides and free radical coagents
    10.
    发明申请
    Thermoplastic elastomer compositions rheology-modified using peroxides and free radical coagents 审中-公开
    使用过氧化物和游离基助剂流变改性的热塑性弹性体组合物

    公开(公告)号:US20050009942A1

    公开(公告)日:2005-01-13

    申请号:US10915011

    申请日:2004-08-09

    申请人: Kim Walton

    发明人: Kim Walton

    摘要: Rheology-modified thermoplastic elastomer compositions comprising a melt blend of an ethylene/a-olefin polymer and a high melting polymer such as polypropylene or a propylene/a-olefin copolymer wherein the rheology modification is induced by a combination of a peroxide and a free radical coagent. The resulting compositions have an elastomeric phase, a non-elastomeric phase and certain physical properties that exceed those of a like composition that is rheology-modified by peroxide alone. The compositions can be used to make a variety of articles of manufacture, such as automotive instrument panel skins, via calendaring and thermoforming procedures.

    摘要翻译: 包含乙烯/α-烯烃聚合物和高熔点聚合物如聚丙烯或丙烯/α-烯烃共聚物的熔融共混物的流变改性热塑性弹性体组合物,其中通过过氧化物和自由基的组合诱导流变学改性 助剂。 所得组合物具有弹性体相,非弹性体相和某些物理性质,其超过单独通过过氧化物流变改性的类似组合物。 组合物可用于通过压延和热成型方法制备各种制品,例如汽车仪表板表皮。