The Surface Properties of Blend Film of Natural Rubber and Graft Latex by Dipping Process

Dipping법에 의한 천연고무와 그라프트 라텍스 블렌드 필름의 표면특성

  • Kim, Kong-Soo (Dept. of Ind. and Eng. Chem., Chungbuk Nat'l Univ.) ;
  • Park, Jun-Ha (Dept. of Ind. and Eng. Chem., Chungbuk Nat'l Univ.) ;
  • Eum, Ju-Song (Dept. of Ind. and Eng. Chem., Chungbuk Nat'l Univ.)
  • 김공수 (충북대학교 공과대학 공업화학과) ;
  • 박준하 (충북대학교 공과대학 공업화학과) ;
  • 엄주송 (충북대학교 공과대학 공업화학과)
  • Received : 1994.07.11
  • Accepted : 1994.09.09
  • Published : 1994.12.01

Abstract

The vulcanized NR and blend films were prepared with mixing of natural rubber latex (NRL) and methyl methacrylated grafted latex(MGL) with various additives by dipping process. It was investigated the basic properties of vulcanized NR films that is optimum condition of the mature time, swelling degree, cure time at $110^{\circ}C$, and measured the mechanical properties of tensile strength and elongation of its condition. In order to identify the surface structure and the slip properties of blend films contact angles and static and kinetic friction coefficient were measured. Contact angles were decreased with increment of blend ratio of MGL, and static and kinetic friction coefficient were decreased rapidly for the NR/MG and NR-d-MG films than for the NR films. From the results, NR/MG and NR-d-MG films has slip's reinforcement in skin contact surface with increased of blend ratio of MGL.

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Acknowledgement

Supported by : 과학기술처