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Propylene copolymer for extrusion blow molded bottles

A propylene copolymer, extrusion blow molding technology, applied in the field of new extrusion blow molding products, can solve problems such as unacceptable

Active Publication Date: 2016-06-29
BOREALIS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, high levels of hexane extractables are not acceptable in the food and hygiene sectors

Method used

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  • Propylene copolymer for extrusion blow molded bottles
  • Propylene copolymer for extrusion blow molded bottles
  • Propylene copolymer for extrusion blow molded bottles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0266] The present invention is further illustrated by examples below.

[0267] example

[0268] 1. Measurement method

[0269] The following definitions of terms and assay methods apply to the above general description of the invention as well as to the examples below unless otherwise defined.

[0270] Calculation of the comonomer content of the second propylene copolymer fraction (R-PP2):

[0271] C ( P P ) - W ( P P 1 ) x C ( P P 1 ) W ( P P 2 ) ...

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PUM

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Abstract

Extrusion blow molded article comprising a propylene copolymer having a high bottle appearance factor and good impact properties.

Description

technical field [0001] The present invention relates to a novel extrusion blow molded article and to the use of a novel propylene copolymer for improving the optical properties of an extrusion blow molded article comprising said novel propylene copolymer by maintaining a high level of stiffness. Background technique [0002] It is well known in the field of polymers that different applications require specially tailored polymers to achieve individually required properties. Like polymers for blow molding, for example, polymers for injection molding must necessarily have other properties. [0003] The extrusion blow molding process, for example, is a very specific process that allows the production of different kinds of bottles with regard to size and shape in a flexible and inexpensive manner. The main disadvantage of this process is that the curing step is very specific compared to normal injection molding. [0004] In the extrusion blow molding (EBM) process, a polymer me...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/14C08F210/06B29C49/04
CPCB29C49/04C08L23/142C08F2800/10C08L2203/10C08L2205/025C08L2308/00B29K2023/14B29C49/0005C08L2314/02C08F210/06C08F2/001C08F10/00C08F4/651C08F210/16C08F2500/12C08F2500/26C08F4/6548
Inventor 王静波乔安娜·利亚马库斯·加莱特纳朱莉安·布劳恩
Owner BOREALIS AG