Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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A Study on the Size Control of Nanosized Polystyrene

폴리스타일렌 나노입자의 입도 조절에 관한 연구

  • Tan, Ming Ning (Department of Industrial Chemical, Sangmyung University) ;
  • Park, Yong Sung (Department of Industrial Chemical, Sangmyung University)
  • 탕명녕 (상명대학교 공업화학과) ;
  • 박용성 (상명대학교 공업화학과)
  • Received : 2011.04.14
  • Accepted : 2011.04.26
  • Published : 2011.08.10
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Abstract

Nanosized polystyrene (PS) particles with the narrow size distribution were synthesized from styrene monomer at the presence of the surfactant (polyvinylpyrrolidone, PVP), the solvent of 95 % alcohol, and the initiator of benzoyl peroxide (BPO). Since the emulsion polymerization method was applied, many factors could have effects on the size of PS particles during polymeric process. Aside from the concentration of monomer, surfactant and initiator, the factors such as the stirring speed and the ultrasonic radiation were mainly studied. By adjusting the radiating time, PS particles with their size of about 400 nm were synthesized.

계면활성제(polyvinylpyrrolidone, PVP)와 개시제(benzoyl peroxide, BPO)를 95% 알코올을 용매 속에 첨가하여 styrene monomer로부터 나노 크기의 균일한 분포 영역을 갖는 polystyrene (PS)을 제조하였다. Emulsion polymerization방법을 사용하였으므로 중합과정에서 PS입도 크기에 많은 변수가 영향을 미칠 수 있다. 본 연구에서는 단량체, 계면활성제 및 개시제 등의 농도 영향은 배제하고 가장 큰 변수들로 고려되는 교반 속도와 초음파 조사시간의 영향을 주로 연구하였다. 초음파 조사시간을 조절한 결과 400 nm의 나노 크기를 갖는 PS 입자를 제조할 수 있었다.

Keywords

Acknowledgement

Supported by : Sangmyung University

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