Article
  • Miscibility of Polychloroprene/Polyglycidylmethacrylate Blends and Effects of Poly(chloroprene-co- glycidylmethacrylate) Addition
  • Park CK, Ha CS, Lee JK, Cho WJ
  • 폴리클로로프렌/폴리글리시딜메타크릴레이트 블렌드의 상용성과 Poly(chloroprene-co-glycidylmethacrylate) 첨가의 영향
  • 박춘건, 하창식, 이진국, 조원제
Abstract
Miscibility of blends of polychloroprene (CR) and polyglycidylmethacrylate (PGMA), prepared by casting from tetrahydrofuran (THF), was investigated by their glass transition temperature behaviors and morphologies. Crystalline structure of the blends was investigated using an X-ray diffractometer. Compatibilization effect of a copolymer of chloroprene(CP) and glycidylmethacrylate(GMA)(poly(CP-co-GMA)) was studied for the CR/PGMA blend of 50/50 wt.% composition. For comparison, the graft copolymer of GMA onto CR, (poly(CR-g-GMA)) was also prepared. The blends of CR and PGMA were incompatible. The addition of poly(CP-co-GMA) or poly(CR-g-GMA) enhanced miscibility between CR and PGMA. The compatibilizing effect of poly( CP-co-GMA) was more prominent in the blend consisting of earth homopolymer than poly(CR-g-GMA). The effects of the copolymer or the graft copolymer on the crystalline structure and the degree of crystallinity of the blend were also dicussed.

폴리클로로프렌(CR)과 폴리글리시딜메타크릴레이트(PGMA)를 각각 THF에 녹여서 블렌드물을 만들고, 이들 블렌드의 상용성을 유리전이온도 측정과 모폴로지 관찰로서 조사하였고, X-ray Diffractometer를 통해 이들의 결정성을 관찰하였다. 또한 무게비 50/50 조성의 CR-PGMA블렌드에 클로로프렌-글리시딜메타크릴레이트 공중합체(poly(CP-co-GMA))를 10∼40phr 첨가했을 때의 상용성을 조사하였으며, 클로로프렌에 GMA를 그라프트시킨 공중합체( poly(CR-g-GMA))를 동일한 방법으로 첨가하였을 때의 상용성과 비교하였다. CR/PGMA 블렌드는 서로 강용성이 없었지만, poly(CP-co-GMA) 혹은 poly(CR-g-GMA)를 첨가하였을 때는 상용성 효과가 현저하게 나타났으며, poly(CP-co-GMA)는 poly(CR-g-GMA)에 비해 더욱 양호한 효과를 나타내었다. 또한. CR/PGMA블렌드에 대해 공중합체 혹은 _그라프트 공중합체 첨가가 블렌드의 결정화도 및 결정구조에 미치는 영향을 고찰하였다.

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  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 0379-153X(Print)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2023 Impact Factor : 0.4
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This Article

  • 1994; 18(1): 78-85

    Published online Jan 25, 1994