Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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Synthesis of P(PEGMA-co-PBMA) microgels by Precipitation Polymerization in Polymer Solution

고분자 용액에서 침점중합에 의한 P(PEGMA-co-PBMA) 마이크로젤의 합성

  • Published : 2009.04.30
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Abstract

Poly(ethyleneglycol methacrylate-co-benzyl methacrylate) (P(PEGMA-co-BMA)) microgel was prepared by precipitation copolymerization of PEGMA and benzyl methacrylate in poly(acrylic acid)/ethanol solution. The microgels with various sizes were obtained by changing the concentration of poly(acrylic acid), monomer and nature of solvents. The particle size of P(PECMA-co-BMA) microgels was decreased with increasing the concentration of poly(acrylic acid) and increased with that of monomer. By increasing solubility parameter of solvents, the particle size was inecreased. The size of P(PEGMA-co-BMA) microgels was controlled by experimental conditions from $0.1{\mu}m$ to $0.35{\mu}m$.

Poly(ethyleneglycol methacrylate-co-benzyl methacrylate) (P(PEGMA-co-BMA) 마이크로겔을 폴리아크릴산 용액에서 PEGMA와 벤질 메타아크릴레이트를 침전중합법으로 합성하였다. 다양한 입자 크기를 갖는 마이크로겔은 폴리아크릴산 및 모노머의 농도, 용매의 성질에 따라 합성하였다. P(PEGMA-co-BMA) 마이크로겔의 입자 크기는 폴리아크릴산의 농도가 증가할수록 감소하였고 모노머의 농도가 증가할수록 증가하였다. 또한 용매의 용매 파라메타의 값이 증가할수록 입자의 크기는 증가하였다. 그리고 P(PEGMA-co-BMA) 마이크로겔의 크기는 실험 조건에 따라 $0.1{\mu}m$에서 $0.35{\mu}m$까지 조절할 수 있었다.

Keywords

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