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    • 43. 发明公开
    • Method for estimating vulcanization degree of rubber compound
    • Verfahren zurSchätzungdes Vulkanisationsgrads einer Kautschukverbindung
    • EP2741081A2
    • 2014-06-11
    • EP13193307.9
    • 2013-11-18
    • SUMITOMO RUBBER INDUSTRIES, LTD.
    • Tsunoda, MasayaYadav, Arjun
    • G01N33/44
    • G01N33/445G01N2203/0025G01N2203/0092G01N2203/0212
    • A method for estimating the vulcanization degree of a rubber compound is disclosed. The torque of the rubber compound during vulcanization is measured to obtain a vulcanization curve. values of invariables K1, K2 and m of a specific expression (1) which values minimize the error between the measured vulcanization curve and a (estimated cure) curve defined by the expression (1), are obtained. Each of different real numbers is assigned to the invariable K1 of the expression (1), and the expression (1) is approximated to the measured vulcanization curve, and then from the approximated expression (1), a set of values of the invariables K1, K2 and m are obtained. Such plural sets of the values are assigned to the expression (1) to obtain a plurality of the estimated vulcanization curves from which an estimated vulcanization curve whose error from the measured vulcanization curve is smallest, is found out.
    • 公开了一种估计橡胶化合物硫化度的方法。 测定硫化时的橡胶组合物的扭矩,得到硫化曲线。 得到最小化测量硫化曲线与式(1)定义的(估计固化)曲线之间的误差的特定表达式(1)的不变量K1,K2和m的值。 每个不同的实数被分配给表达式(1)的不变的K1,并且表达式(1)近似于测量的硫化曲线,然后从近似表达式(1),不变量K1的值的集合 ,得到K2和m。 将这些数值分配给表达式(1),得到多个估计的硫化曲线,从该测定硫化曲线中估算的硫化曲线的误差从测定的硫化曲线最小。