Transactions of the Korean Society of Mechanical Engineers B (대한기계학회논문집B)

The Korean Society of Mechanical Engineers (대한기계학회)
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Generation of Microcellular Foams in Viscoelastic Polymer Solutions

점탄성 폴리머 용액에서의 초미세 폼의 생성

  • 강성린 (중앙대학교 대학원 기계공학부) ;
  • 김기영 (중앙대학교 대학원 기계공학) ;
  • 곽호영 (중앙대학교 기계공학부)
  • Published : 2004.06.01
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Abstract

The growth of the critical size bubble by diffusion process in viscoelastic medium was treated by an integral method for the concentration boundary layer adjacent to the bubble wall. In this study, we obtained a set of the first order time dependent equations to obtain bubble radius and gas pressure inside the bubble simultaneously. The calculated final cell sizes depending on the initial saturation pressure are in close agreement with the observed ones. The governing equations developed in this study may be used in polymer processing of microcellular foams.

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References

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