STUDY OF RUBBER ADHESIVE COMPOUNDS FOR TIRE RETREADING: DRYING RATE AND ADHESION STRENGTH

Ike Setyorini, Herminiwati Herminiwati

Abstract


The scope of this article istostudy the drying rate and the adhesion strength of rubberadhesive compounds that used three different tackifiers i.e. Coumaron Resin, Siongka, and Koresin. The rubber adhesive compounds were diluted in n-Hexane with the content of rubber adhesion compounds was 12 %, 13 %, 14 %, and 15 %.  And then it was spread on the surface of 2,5 x 15 cm testpiece of the casing (worn tire)and retreading tire compounds.A time until the adhesive is slightly dry was used to determine the drying rate.  The test piece of casing and retreading tire compounds was taped in one piece and pressed at 170o. The adhesion strength was tested according to JIS K6301.The results showthat thebestrubber adhesive is an adhesive that uses Siongka as the tackifier with thesolid content of 14%, adhesion strength 4.15kg/cm,weight13.653mg/cm2and drying time 5 minutes.

Keywords: rubber adhesive, tackifier , motorcycle tires, retreading

 


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