The Effect of the Content of Polyurethane and Dispersant on the Impact Strength and Adhesability of Polyurethane/Polypropylene Composition

Polyurethane (PU) /polypropylene (PP) composition in which PU fine particles were dispersed homogeneously in PP was prepared by the bulk reaction of 4, 4′-diisocyanatodiphenylmethane with a diol mixture (molar ratio=1: 2) of poly (ethylene) adipate diol (Mn=2000) and ethylene glycol in situ in a mel...

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Veröffentlicht in:KOBUNSHI RONBUNSHU 1994/03/25, Vol.51(3), pp.209-211
Hauptverfasser: ANDO, Takao, OISI, Masahumi, OKAMOTO, Toshiaki
Format: Artikel
Sprache:eng ; jpn
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Zusammenfassung:Polyurethane (PU) /polypropylene (PP) composition in which PU fine particles were dispersed homogeneously in PP was prepared by the bulk reaction of 4, 4′-diisocyanatodiphenylmethane with a diol mixture (molar ratio=1: 2) of poly (ethylene) adipate diol (Mn=2000) and ethylene glycol in situ in a melted PP. Effects of the content of polyurethane and dispersant on impact strength and adhesability of the composition were determined. Impact strength and adhesability of the PU/PP composition were improved considerably by using 40wt% polyurethane and 5wt% dispersant.
ISSN:0386-2186
1881-5685
DOI:10.1295/koron.51.209