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Effects of the conductivity of sulfonated poly(phenylene oxide) lithium by the complexation of poly(ethylene oxide) (1996)

Wang, C. Q. ; Huang, Y. H. ; Liao, B. ; [weitere]

New York, NY : Wiley-Blackwell

Polymers for Advanced Technologies 7 (1996), S. 697-700

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ISSN: 1042-7147

Schlagwort(e): complexation ; sulfonated poly(phenylene oxide) lithium ; poly(ethylene oxide) ; conductivity ; Chemistry ; Polymer and Materials Science

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Maschinenbau

Notizen: In the present paper, the structure and conductivity for the complex of sulfonated poly(phenylene oxide) lithium (SPPOLi) and poly(ethylene oxide) (PEG) were studied. Glass transition temperature change determined by differential scanning calorimeter analysis desmonstrated that the two components had some compatibility. X-ray diffraction showed that PEG could decrease the regularity of SPPOLi to some extent. The compatibility and PEG's effect on the regularity may be due to the interaction between the lithium ions of SPPOLi and the oxygen atoms of PEG. Under polarization by electric field, the bands between lithium ions and sulfonation groups relaxed. Meanwhile, the complexation of oxygen atoms could enhance the dissociation of the polymeric lithium salts. Then lithium ions were transported in the process of alternate complexing and decomplexing. The action between lithium ions and oxygen atoms could explain the improvement on the conductivity of SPPOLi.

Zusätzliches Material: 5 Ill.

Materialart: Digitale Medien

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Digitale Medien

Studies on the blends of carbon dioxide copolymer. III. NBR/PPC systems (1996)

Huang, Y. H. ; Yang, X. H. ; Zhao, S. L. ; [weitere]

New York, NY [u.a.] : Wiley-Blackwell

Journal of Applied Polymer Science 61 (1996), S. 1479-1486

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ISSN: 0021-8995

Schlagwort(e): Chemistry ; Polymer and Materials Science

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Maschinenbau , Physik

Notizen: In this paper, the blends of the carbon dioxide copolymer, poly(propylene carbonate) (PPC), with nitrile rubber (NBR) were studied by DSC, DMA, TEM and TG. PPC can enhance the mechanical properties of NBR, while oil resistance and tensile set at break of NBR/PPC systems were as good as that of NBR. The coagent of triallylisocyanurate or maleic anhydride with carbon black can much improve the curing efficiency of dicumyl peroxide in NBR/PPC systems. © 1996 John Wiley & Sons, Inc.

Zusätzliches Material: 8 Ill.

Materialart: Digitale Medien

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