화학공학소재연구정보센터
Kautschuk Gummi Kunststoffe, Vol.49, No.1, 32-37, 1996
The dynamic glass transition temperature as a criterion for the wet skid behaviour of tread compounds
This study reports on the estimation of static and dynamic glass transition temperatures of a series of rubbers by means of DSC (differential scanning calorimetry), DMA (dynamic mechanical analysis) and NMR (nuclear magnetic resonance). Additionally, the wet skid resistance (WSR) of the corresponding low filled vulcanizates is estimated using the British Pendulum Skid Tester (BPST). Based on these results, it is shown that the wet grip data and their ratings correlate quite good with the data of the relaxation map (1/T-g vs. log omega/2 pi) at high frequencies. The study may serve as a route for materials engineers 20 select suitable candidate materials for high frequency applications from easily accessible DSC data.