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Effect of Thermal Aging on the Change of Interfacial Adhesion between Polyketone Cord and Rubber by RFL Primer Treatment

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2018, 30(2), pp.77-89
  • DOI : 10.5764/TCF.2018.30.2.77
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering
  • Received : March 29, 2018
  • Accepted : May 15, 2018
  • Published : June 27, 2018

Hani Jo 1 Woo Jin Oh 1 Song Hee Kang 1 Seung Goo Lee 1

1충남대학교 유기소재섬유시스템공학과

Accredited

ABSTRACT

In the case of fiber/rubber composites for tire applications, the interfacial adhesion between fiber and rubber significantly affects the physical properties of the finished products. Generally, organic synthetic fibers used for tire cords are treated with resorcinol formaldehyde latex(RFL) primer on the surface of the fiber to improve the adhesion to rubber. Changes of adhesion between rubber and tire cords might weaken as temperature rises due to overheating of car engine and friction with road. In this study, the effects of temperature on the primer treated polyketone cord/rubber composites and the changes in interfacial adhesion were investigated. Polyketone cord/rubber composites were prepared after RFL solution treatment on the surface of polyketone fibers. After that, composites was thermally aged at different temperature conditions(60, 80, 100, 120℃) and times(1, 5, 10, 15days). The adhesion strength of polyketone cord/rubber composite treated with RFL primer was higher than untreated composite by more than 3 times. After heat aging, the adhesion strength of untreated polyketone cord/rubber composites increased while the RFL treated polyketone cord/rubber composites decreased somewhat.

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