Article
  • Reducing the Payne Effect of the Natural Rubber/Sepiolite Composite by Introducing Modified Palm Stearin

  • Nureeyah Jehsoh*, Abdulhakim Masa**, ***, Indra Surya****, Hanafi Ismail*****, and Nabil Hayeemasae*, **,†

  • *Department of Rubber Technology and Polymer Science, Faculty of Science and Technology, Prince of Songkla University, Pattani Campus, 94000, Pattani, Thailand
    **Research Unit of Advanced Elastomeric Materials and Innovations for BCG Economy (AEMI),
    Faculty of Science and Technology, Prince of Songkla University, Pattani Campus, 94000, Pattani, Thailand
    ***Rubber Engineering & Technology Program, International College, Prince of Songkla University, Hat Yai, Songkhla, 90110, Thailand
    ****Department of Chemical Engineering, Faculty of Engineering, Universitas Sumatera Utara, Medan, 20155, Sumatera Utara, Indonesia
    *****School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, 14300, Nibong Tebal, Penang, Malaysia

  • 개질된 Palm Stearin을 도입한 Natural Rubber/Sepiolite 복합체의 Payne 효과 개선 연구

  • 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

Reducing Payne effect of natural rubber (NR) composite has been a major challenge in composite’s preparation. In this work, the composite based on NR and sepiolite was focused. Reduction of Payne effect was successfully performed by introducing modified palm stearin (mo-PS) as compatibilizer. Sepiolite was fixed at 20 phr whereby the mo-PS was ranged from 0-3 phr. The properties were studied through curing characteristics, tensile properties and dynamic properties. The presence of certain functionalities of mo-PS was corroborated by Fourier transform infrared (FTIR) analysis. From cure properties, scorch and curing times decreased as a function of mo-PS due to the role of mo-PS as a secondary curing additive in vulcanization process. It was also found that mo-PS improved modulus and tensile strength of composites. The improvement was due to improved NR-sepiolite interactions arising from hydrogen bonds formed in presence of mo-PS. This was clearly verified by observing the Payne effect.


Keywords: natural rubber, sepiolite, modified palm stearin, payne effect, tensile properties.

  • Polymer(Korea) 폴리머
  • Frequency : Bimonthly(odd)
    ISSN 0379-153X(Print)
    ISSN 2234-8077(Online)
    Abbr. Polym. Korea
  • 2023 Impact Factor : 0.4
  • Indexed in SCIE

This Article

  • 2022; 46(1): 6-12

    Published online Jan 25, 2022

  • 10.7317/pk.2022.46.1.6
  • Received on Jun 27, 2021
  • Revised on Aug 24, 2021
  • Accepted on Sep 27, 2021

Correspondence to

  • Nabil Hayeemasae

  • *Department of Rubber Technology and Polymer Science, Faculty of Science and Technology, Prince of Songkla University, Pattani Campus, 94000, Pattani, Thailand
    **Research Unit of Advanced Elastomeric Materials and Innovations for BCG Economy (AEMI),
    Faculty of Science and Technology, Prince of Songkla University, Pattani Campus, 94000, Pattani, Thailand

  • E-mail: nabil.h@psu.ac.th