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基于均匀试验设计的聚异戊二烯胶乳硫化配方及其优化分析

Hu ZHANG,Wei CHEN,Shuwei HE, Haifeng WU, Ruolan MEI,Yingping HE

Rubber Science and Technology(2020)

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Abstract
采用均匀试验设计法,研究硫黄、促进剂MBT、ZDBC和DPG和用量对聚异戊二烯胶乳硫化胶膜性能的影响,引入断裂能作为硫化胶膜性能的评价指标,构建断裂能与3种促进剂和硫黄用量的数学回归模型并进行优化.结果 表明:在本试验条件下,构建的断裂能、硫黄、促进剂MBT、ZDBC和DPG用量(S,M,Z和D)之间的关系为W(S,M,Z,D)=29.055 8-0.002 0S5+5.391 8 (M×Z)055-2.850 4D1.4+4.978 6(M×Z×D)0.53,并由此求得优化方案;硫黄用量为0.98 g,促进剂MBT用量为0.77g,促进剂ZDBC用量为0.77 g,促进剂DPG用量为0.32 g,硫化胶膜的断裂能模拟优化值为42.78 J·m-2,验证试验实测值达39.81 J·m-2,与模拟优化值接近,表明构建的回归模型具有实际应用价值;促进剂MBT与ZDBC之间以及促进剂MBT,ZDBC与DPG三者之间存在交互效应.
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