Anisotropy in thermal expansion in rubber toughened polypropylene - Injection molded system

Michio Ono, Junichiro Washiyama, Ken Nakajima, Toshio Nishi

    Research output: Contribution to journalArticle

    7 Citations (Scopus)

    Abstract

    The anisotropy taking place in thermal expansion of rubber toughened system was investigated. The materials used in the study were polypropylene homopolymers and poly(ethyl-co-octene). The coefficient of linear thermal expansion (CLTE) of the samples was measured using TMA between -50°C and 100°C under the 5g of load at the heating rate of 4°C/min. The CLTE was further analyzed using transmission electron microscopy (TEM). The TEM observations revealed that the shape of the EOR domain was 'slab', the normal vector of which was parallel to the ND.

    Original languageEnglish
    Pages (from-to)563-566
    Number of pages4
    JournalPolymer Journal
    Volume36
    Issue number7
    DOIs
    Publication statusPublished - 2004 Sep 23

    Keywords

    • Anisotropy
    • CLTE
    • Injection-mold
    • Polypropylene
    • TEM
    • WAXD

    ASJC Scopus subject areas

    • Polymers and Plastics
    • Materials Chemistry

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