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对非水滴定法测定丙烯酸接枝三元异丙胶 (EPDM)的接枝率的指示剂进行了选择试验。结果表明 ,测定一定的接枝物应选用一定的指示剂。利用本文给出的方法测定丙烯酸与三元异丙胶 (EPDM)的接枝率 ,方法简便、可行 ,结果准确。
The non-water titration acrylic acid graft ternary isoprene rubber (EPDM) grafting rate of the indicator was selected test. The results show that the determination of a certain degree of grafting should use a certain indicator. Using the method given in this article to determine the grafting ratio of acrylic acid and terpolymer (EPDM), the method is simple, feasible and accurate.