Properties of Segmented Block Copolymers in PEEK/PSU Blends

被引：9

作者：

Hoffmann, Thorsten ^{[1
]}

Pospiech, Doris ^{[1
]}

Haeussler, Liane ^{[1
]}

Poetschke, Petra ^{[1
]}

Reuter, Uta ^{[1
]}

Werner, Philipp ^{[2
]}

Sandler, Jan K. W. ^{[3
]}

Doering, Manfred ^{[4
]}

Altstaedt, Volker ^{[5
]}

机构：

[1] Leibniz Inst Polymer Res Dresden, D-01069 Dresden, Germany

[2] Lehmann & Voss & Co, D-22043 Hamburg, Germany

[3] BASF AG, D-67056 Ludwigshafen, Germany

[4] Res Ctr Karlsruhe GmbH, Inst Tech Chem, D-76021 Karlsruhe, Germany

[5] Univ Bayreuth, D-95440 Bayreuth, Germany

来源：

HIGH PERFORMANCE POLYMERS | 2008年 / 20卷 / 06期

关键词：

PEEK/PSU blends; segmented block copolymers; phase behavior;

D O I：

10.1177/0954008307082176

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

As a method of compatibilization of immiscible polyether ether ketone (PEEK)/polysulfone (PSU) blends, the addition of segmented PEEK/PSU block copolymers based on amorphous bisphenol A-containing PEEK was studied. This approach was evaluated for blends consisting of PEEK and PSU homopolymers with different molecular weights and different amounts of compatibilizers (segmented PEEK/PSU block copolymers and reactive end-functionalized PEEK and PSU oligomers). The compatibilizers were added under varying melt-processing conditions and effectively allowed the homopolymers to interact with the segmented block copolymers in the blend. The influence of the compatibilizers on the phase behavior was examined in both binary and ternary blends. Interactions in the amorphous phase, which effectively induce an enhancement of the toughness properties of the final product, could be detected.

引用

页码：601 / 614

页数：14

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