Journal of Adhesion and Interface (접착 및 계면)

The Society of Adhesion and Interface, Korea (한국접착및계면학회)
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Film Properties of Cold Blending Emulsion Between Poly(vinyl Acetate) and Poly(vinyl acetate-co-ethylene) Emulsion

Poly(vinyl acetate)와 Poly(vinyl acetate-co-ethylene) 에멀젼을 이용한 상온 블렌드 에멀젼의 Film 특성

  • 김호영 ((주)바커 케미칼 코리아 기술연구소) ;
  • 유성희 ((주)바커 케미칼 코리아 기술연구소) ;
  • 최용해 (기술연구소)
  • Received : 2011.10.18
  • Accepted : 2011.12.09
  • Published : 2011.12.30
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Abstract

This study was made on the poly(vinyl acetate) (PVAc) and poly(vinyl acetate- ethylene) (VAE) emulsion polymer blend which used PVA as protective colloid, and the PVA used as protective colloid was existed in each emulsion film before blend and even in the film after the blend consecutively. It makes us expect excellent adhesive power among particles that form the blend. Emulsion blends with different Tg are important target of concerning, and PVAc/VAE emulsion blend suggested simple and excellent research method. As a result of blend, elongation was lowered by the increase of PVAc, and the plasticizer used in making PVAc affected on the Tg of blend and lowered Tg of VAE emulsion, and the synergy effect of two blends was seen for the tensile strength, thermal resistance, and adhesive strength.

본 연구는 보호콜로이드로 PVA를 사용한 PVAc 에멀젼 폴리머와 VAE 에멀젼 폴리머 블렌드에 관한 것으로 보호콜로이드로 사용된 PVA는 블렌드 전의 각각의 에멀젼 폴리머 필름과 블렌드 후의 필름에서도 연속상으로 존재하였다. 이는 블렌드를 구성하는 입자사이에서 뛰어난 접착력을 예상하게 한다. Tg가 서로 다른 에멀젼 폴리머 블렌드는 중요한 관심 대상이며 PVAc/VAE 에멀젼 폴리머 블렌드는 이 중 간단하면서도 또 다른 뛰어난 연구 방향을 제시하였다. 혼합 결과, PVAc 증가에 따라 신율이 저하되었고, PVAc 제조에 사용된 가소제가 혼합물의 Tg에 영향을 미쳐 PVAc 가소제의 VAE 에멀젼 폴리머으로의 이행으로 인하여 VAE 에멀젼 폴리머의 Tg를 저하시켰고, 인장강도 및 내열성, 접착력에서 두 혼합물의 상승효과가 나타났다.

Keywords

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