Soft polypropylene composition with low n-hexane solubles

A technology of polypropylene composition, polypropylene polymer, applied in the field of new soft polypropylene composition

Inactive Publication Date: 2015-07-29
BOREALIS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Requirement becomes a challenge as many p

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  • Soft polypropylene composition with low n-hexane solubles

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[0060] The invention will now be described in more detail by the examples provided below.

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Abstract

Present invention relates to a two phase blend of polypropylene homopolymer with high molecular weight thermoplastic elastomer according having an optimum balance of processability, softness, transparency and low n-hexane extractables thus enabling the resin to be used in food packaging applications. The material is ideal for injection mouldable articles, in particular for producing injection mouldable soft tubes for food packaging applications. The material can also be used for cosmetic and pharmaceutical packaging.

Description

technical field [0001] This invention relates to a novel soft polypropylene composition having low n-hexane solubles and articles formed therefrom. Background technique [0002] Polymers are being used more and more in applications with different requirements. At the same time, there is a continuous search for specific compositions capable of meeting the requirements of these applications. The requirement is a challenge as many polymers are directly or indirectly related. For example, in the field of injection molding, especially in applications such as injection molded hoses for food, cosmetic or pharmaceutical packaging, it is necessary to obtain an optimal balance of processability and appearance properties, so as to meet all adjustable requirements. [0003] Multiphase systems are known for their good impact properties. Heterophasic propylene copolymers are well known in the art. Such heterophasic propylene copolymers comprise a matrix, which is a propylene homopolym...

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Application Information

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IPC IPC(8): C08L23/12C08J5/18C08L23/14
CPCC08L23/142C08L23/12C08L23/14C08L2201/10C08L2203/18C08L2207/02C08L2207/04
Inventor 童·范保纳·考斯莱斯塔
Owner BOREALIS AG
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