Article
  • Study on the Interfacial Stability of Rubber/copolymer Aramid by Surface Treatment of Copolymer Aramid Nano Fiber
  • Hongjin Yoon, Dongki Oh, Janghun Jo, and Jongdae Lee*,†

  • Convergence Technology Center, FITI Testing & Research Institute, Seoul 07791, Korea
    *Department of Chemical Engineering, Chungbuk National University, 1, Chungdae-ro, Seowon-gu, Cheongju, Chungbuk 28644, Korea

  • 공중합 아라미드 나노 섬유 표면처리에 의한 고무/공중합 아라미드의 계면 안정성 연구
  • 윤홍진 · 오동기 · 조장훈 · 이종대*,†

  • FITI시험연구원 융합기술연구센터, *충북대학교 화학공학과

  • Reproduction, stored in a retrieval system, or transmitted in any form of any part of this publication is permitted only by written permission from the Polymer Society of Korea.

Abstract

Although copolymerized aramid fibers have superior tensile strength and durability, they have the disadvantage of very low adhesion performance with rubber, and these disadvantages may cause to product failure. Therefore, in order to apply aramid fibers to mechanical rubber goods (MRG), etc., it is necessary to improve the interface adhesion through the treating of fiber surface. This study improved adhesion to rubber by chemically modifying the surface of copolymerized aramid and coating nano-sized aramid fibers on the surface. An aramid nano fiber (ANF) solution was coated on a copolymerized aramid yarn through a preparation and immersion process, and the interfacial adhesion performance with rubber was confirmed according to the immersion time. When immersed in an ANF solution for 10 minutes, the tensile strength and adhesion strength increased by 15.4% and 77.7%. It was confirmed that the tensile strength and adhesion strength were superior even when immersed in the ANF solution for a short time.


공중합 아라미드 섬유는 인장강도 및 내구성이 우수한 특성이 있지만 고무와의 접착성능이 매우 낮은 단점이 있으며 이러한 단점은 제품 고장의 원인이 되기도 한다. 공중합 아라미드 섬유를 mechanical rubber goods(MRG) 등에 적용하기 위해서는 섬유표면을 처리하여 고무와의 계면에서 접착성 등을 향상시키는 것이 필요하다. 본 연구에서는 공중합 아라미드 표면의 화학적 개질 및 나노 크기의 아라미드 섬유를 표면에 코팅하여 고무와의 접착성을 향상시켰다. Aramide nano fiber(ANF) 용액을 제조 및 침지공정을 통해 공중합 아라미드 원사에 코팅하였으며 침지 시간에 따른 고무와의 계면접착성능을 확인하였다. ANF 용액에 10분간 침지하였을 때 침지 전 대비 인장강도는 15.4%, 접착강도는 77.7% 증가하였다. 단시간동안 ANF 용액에 침지하였음에도 인장강도 및 접착강도가 우수한 특성을 나타내는 것을 확인하였다.


Keywords: copolymer aramid, fiber/rubber composites, chemical treatment, interfacial shear strength, tensile strength.

  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 0379-153X(Print)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2022 Impact Factor : 0.4
  • Indexed in SCIE

This Article

  • 2024; 48(2): 158-164

    Published online Mar 25, 2024

  • 10.7317/pk.2024.48.2.158
  • Received on Sep 25, 2023
  • Revised on Nov 29, 2023
  • Accepted on Dec 14, 2023

Correspondence to

  • Jongdae Lee
  • Department of Chemical Engineering, Chungbuk National University, 1, Chungdae-ro, Seowon-gu, Cheongju, Chungbuk 28644, Korea

  • E-mail: jdlee@chungbuk.ac.kr