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    Polymer foams
    42.
    发明授权
    Polymer foams 有权
    聚合物泡沫

    公开(公告)号：US09505906B1

    公开(公告)日：2016-11-29

    申请号：US14601399

    申请日：2015-01-21

    Applicant: FINA TECHNOLOGY, INC.

    Inventor： Jon Tippet ,  John Ashbaugh ,  Fengkui Li ,  Douglas Burmaster ,  Jeffrey E. Nairn ,  Marc Mayhall ,  Leland Daniels

    IPC: C08K5/14 ,  C08K5/098 ,  C08L23/12 ,  C08J9/00

    CPC classification number: C08K5/098 ,  C08J9/0023 ,  C08J9/0052 ,  C08J9/0061 ,  C08J9/12 ,  C08J9/122 ,  C08J2203/06 ,  C08J2203/14 ,  C08J2203/16 ,  C08J2323/04 ,  C08J2323/12 ,  C08J2325/04 ,  C08J2423/02 ,  C08J2467/04 ,  C08K5/14 ,  C08L23/12

    Abstract: A polymer composition may include polyolefin having a molecular weight distribution of greater than or equal to 8 as measured by GPC and a metallic acrylate salt. The polymer composition may be characterized by one or more of: a melt flow rate of from 0.1 g/10 min to 10 g/10 min; a melt flow viscosity between 2,000 Pa·s and 6,000 Pa·s; a die swell of between 2 and 8; and a die swell characteristic time of between 0.3 seconds and 1.2 seconds. The polymer composition may be in the form of foam. A process of forming foam may include supplying polymer composition including metallic acrylate salt and polyolefin resin, and mixing the polymer composition with foaming agent. A foam may include a polymer composition that includes polyolefin and polar polymer and does not include an ionomer. The foam may have a foam density of less than 0.25 g/cc.

    Abstract translation: 聚合物组合物可以包括通过GPC测量的分子量分布大于或等于8的聚烯烃和金属丙烯酸盐。 聚合物组合物的特征可以包括以下的一种或多种：熔体流动速率为0.1g / 10min至10g / 10min; 熔体流动粘度在2,000Pa·s至6,000Pa·s之间; 2到8之间的肿胀; 并且模具膨胀特征时间在0.3秒和1.2秒之间。 聚合物组合物可以是泡沫的形式。 形成泡沫的方法可以包括提供包括金属丙烯酸盐和聚烯烃树脂的聚合物组合物，并将聚合物组合物与发泡剂混合。 泡沫可以包括聚合物组合物，其包括聚烯烃和极性聚合物，并且不包括离聚物。 泡沫的泡沫密度可以小于0.25g / cc。

    Compatibilized polypropylene heterophasic copolymer and polylactic acid blends for injection molding applications
    44.
    发明授权
    Compatibilized polypropylene heterophasic copolymer and polylactic acid blends for injection molding applications 有权
    用于注塑应用的增容聚丙烯异相共聚物和聚乳酸共混物

    公开(公告)号：US09416264B2

    公开(公告)日：2016-08-16

    申请号：US14686930

    申请日：2015-04-15

    Applicant: FINA TECHNOLOGY, INC.

    Inventor： Fengkui Li ,  John Ashbaugh ,  Gabriel Desille ,  Caroline Schils

    IPC: C08L23/10 ,  C08L23/14 ,  B29C45/72 ,  C08L51/06 ,  C08L67/04

    CPC classification number: C08L23/142 ,  B29C45/72 ,  C08K3/34 ,  C08L23/06 ,  C08L23/10 ,  C08L23/14 ,  C08L23/16 ,  C08L51/06 ,  C08L67/04 ,  C08L2201/06 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2205/08 ,  C08L2207/02 ,  C08L2207/04

    Abstract: A method of forming a compatibilized polymeric blend may include providing a polyolefin that includes a propylene heterophasic copolymer. The polyolefin may have an ethylene content of at least 10 weight percent based on a total weight of the polyolefin. The method may include melt blending the polyolefin with a polylactic acid and a reactive modifier to form the compatiblized polymeric blend. The reactive modifier may be a glycidyl methacrylate grafted polypropylene (PP-g-GMA). The reactive modified may be produced by contacting a polypropylene, a glycidyl methacrylate, a multifunctional acrylate comonomer, and an initiator under conditions suitable for the formation of PP-g-GMA having a grafting yield in a range from 1 wt. % to 15 wt. %.

    Abstract translation: 形成相容的聚合物共混物的方法可以包括提供包含丙烯异相共聚物的聚烯烃。 基于聚烯烃的总重量，聚烯烃可以具有至少10重量％的乙烯含量。 该方法可以包括将聚烯烃与聚乳酸和反应性改性剂熔融共混以形成相容的聚合物共混物。 反应性改性剂可以是甲基丙烯酸缩水甘油酯接枝聚丙烯（PP-g-GMA）。 反应性改性可以通过在适于形成PP-g-GMA的条件下使聚丙烯，甲基丙烯酸缩水甘油酯，多官能丙烯酸酯共聚单体和引发剂接触而制备，所述PP-g-GMA的接枝收率在1wt。 ％至15wt。 ％。

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