Journal Textile Coloration and Finishing Year / Vol., Issue, Month 2017 / V.29,no.3,Sept Title Accelerated Life Prediction of CPB(cold-pad-batch) Padder Roll Rubber to Chemical Degradation Authors Jee Young Lim, Chang Woo Nam and Woosung Lee* Institution/Affiliations Korea Institute of Industrial Technology Pages/Total page pp.155 ~ 161 / 7 Language Korean Abstract Abstract In CPB(Cold-Pad-Batch) dyeing, the rubber of the padder roll is influenced by the heat, chemical and mechanical influences and thus aging of the padder roll rubber occurs. This study presents an accelerated thermal aging test of the CPB padder roll rubber with strong alkali conditions. Using Arrhenius formula of the various property values for the various aging temperatures(80°C, 90°C, 100°C) of the padder roll, the accelerated life predictions could be calculated. The threshold value of the property was set at different values. The hardness was set at the point where 5% degradation occurs based on the actual use conditions, and the tensile strength was set at the point where 50% degradation occurs based on the general life prediction standards. From the results of the different physical properties at differing temperatures, the Arrhenius plot could be obtained. Through the usage of the Arrhenius Equation, significant duration expectation could be predicted, and the chemical aging behavior of the CPB padder roll could be found at the arbitrary and actual temperatures. Keywords Keywords cold pad batch, padder roll rubber, hardness, tensile strength, aging lifetime, lifetime prediction Download   Reference http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=OSGGBT_2017_v29n3_155&ordernum=