Behavior of elastomer TPVs' Mechanical Properties According to Injection Molding Conditions

엘라스토머 TPV의 사출성형조건에 따른 기계적 물성

  • 한성렬 (부경대학교 기계공학부 대학원) ;
  • 김준형 ((주)화승R&A 기술연구소) ;
  • 전승경 ((주)화승R&A 기술연구소) ;
  • 이규호 ((주)화승R&A 기술연구소) ;
  • 정영득 (부경대학교 기계공학부)
  • Published : 2005.10.01

Abstract

Thermoplastic elastormer (TPE) has many advantages such as high flexibility, high elasticity and high elongation, etc. TPE is easily molded such as plastic materials, therefore, many TPE parts are applied as home appliances and mechanical parts. However, if TPE is once molded, its mechanical properties are changed by injection molding conditions such as melt temperature, mold temperature, injection pressure and holding pressure, etc. In this study, the influences of the injection molding condition on the mechanical properties of thermoplastic vulcanizates(TPVs), which is one of the TPE, were investigated. By the injection molding experiment, as increasing the melt temperature, the tensile strength, shrinkage and hardness decreased. By the scanning electron microscope (SEM) analyzing the TPVs' crystallization, the morphology was affected by the melt temperature.

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