Article
  • Physical Modification of Polypropylene (4): Polypropylene/ Poly(vinyl alcohol-co-ethylene) Blends
  • Lim SK, Son TW, Park JH, Jeon YM, Jeong KS
  • 폴리프로필렌의 물리적인 개질(4): Polypropylene/Poly(vinyl alcohol-co-ethylene) 블렌드
  • 임상규, 손태원, 박준호, 전영민, 정광섭
Abstract
An attempt was carried out to investigate a change of the surface property of polypropylene (PP) when it was blended with poly(vinyl alcohol-co-ethylene) (EVOH) at the various contents of EVOH; 10, 20, 30, 40, 50, 60, 70, 80, and 90 wt%. Prominently, PP/EVOH blends were evaluated over a contact angle measurement and an antistatic measurement for their surface property. Gerneral properties of the blends, viz, analysis of chemical structure, mechanical property, thermal analysis, melt-flow behavior, and morphological observation, would be also discussed in the results whether property depression of PP in the blends was occurred or not. The results showed that the surface property of the PP/EVOH blends was improved with increasing of EVOH contents. However, property depression of PP was thoroughly found in the PP/EVOH blends with increasing of EVOH contents.

소수성 고분자인 polypropylene(PP)의 좋지 않은 물성 중의 하나인 젖음성(wettability)을 향상시키기 위해서, 본 연구에서는 PP와 poly(vinyl alcohol-co-ethylene) (EVOH) 블렌드에 의한 물리적 개질을 시도하였다. EVOH의 함량-10, 20, 30, 40, 50, 60, 70, 80, 90 wt%-에 따라 PP와 용융혼합시켜 각각 시료를 만들었고, 접촉각 측정과 대전압 측정으로 그 표면의 친수화 정도를 평가하였다. 그리고, 화학구조 조사, 역학적 성질 조사, 열적 분석 및 형태학적 관찰 등의 실험으로 EVOH의 함량에 따른 폴리프로필렌의 고유한 물성 변화를 알아 보았다. EVOH 함량이 증가함에 따라 PP의 우수한 성질이 전반적으로 저하되었지만 친수화의 정도는 증가되고 있음을 확인할 수 있었다.

Keywords: polypropylene; poly(vinyl alcohol-co-ethylene); blend

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  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 0379-153X(Print)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2022 Impact Factor : 0.4
  • Indexed in SCIE

This Article

  • 1998; 22(6): 917-925

    Published online Nov 25, 1998