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Notch impact resistant polyaryletherketone molding composition

一种聚亚芳基醚酮、聚亚烯基的技术，应用在成型物料领域，能够解决不利、聚亚芳基醚酮低冲击韧性等问题

Inactive Publication Date: 2009-11-25
EVONIK DEGUSSA GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the relatively low notched impact toughness of poly(arylene ether ketone) is a disadvantage for some applications

Method used

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  • Notch impact resistant polyaryletherketone molding composition
  • Notch impact resistant polyaryletherketone molding composition
  • Notch impact resistant polyaryletherketone molding composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Example 1: 95% by weight PEEK; 5% by weight polyoctenylene

Embodiment 2

[0028] Example 2: 90% by weight PEEK; 10% by weight polyoctenylene

Embodiment 3

[0029] Example 3: 85% by weight PEEK; 15% by weight polyoctenylene

[0030] pure 4000G was used as reference.

[0031] The granule composite and the reference material were processed in an Arburg injection molding machine at a material temperature of 380°C and a molding temperature of 180°C to prepare test specimens. The results of the mechanical and thermal tests are summarized in Table 1.

[0032]

[0033] The data show that, according to the invention, it is possible to significantly improve the notched impact toughness even at low octylene contents. Changes in the values ​​of the other parameters were consistent with those expected when using rubber modifications. Surprisingly, despite the The limits stated in the product brochure for thermal stability (275°C in the case of the TGA test) are still understandable for this type of aliphatic compound, but even at the significantly higher At temperature (here 370° C.), the effect of the impact-modified rubber is also...

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Abstract

A moulding composition with high notched impact resistance contains the following components: a) from 75 to 99.9 parts by weight of polyarylene ether ketone, and b) from 0.1 to 25 parts by weight of polyalkenylene having from 5 to 12 carbon atoms in the repeat unit, the total of these parts by weight being 100.

Description

technical field [0001] The invention relates to molding compounds based on polyarylene ether ketone (PAEK) and having improved notched impact toughness. Background technique [0002] Partially crystalline polyarylene ether ketones are generally characterized by high melting points and high glass transition temperatures. In addition, they feature high mechanical strength, high impact toughness and high resistance to a wide range of media. [0003] However, the relatively low notched impact toughness of polyarylene ether ketones is disadvantageous for certain applications. Surface damage or unfavorable component shapes due to design can cause cracks or breakage in certain applications or components. Contents of the invention [0004] The object of the present invention is to provide PAEK molding compounds with improved notched impact toughness. [0005] This object is achieved by a molding compound comprising the following components: [0006] a) 75-99.9 parts by weight,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L71/10C08L61/02
CPCC08L23/00C08L71/00C08G2650/40C08L2666/06
Inventor A·里克特H·-G·洛坎帕
Owner EVONIK DEGUSSA GMBH
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