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Citation: VOONG SING-TUH, CHIU KUN-YUEN, MAO SHAN-CHING, WANG TEH-HSING. STUDIES ON POLYACRYLONITRILE --ORGANIC REDOX INITIATED POLYMERIZATION OF ACRYLONITRILE IN AQUEOUS SOLUTION[J]. Acta Polymerica Sinica, ;1965, 7(2): 96-104. shu

STUDIES ON POLYACRYLONITRILE --ORGANIC REDOX INITIATED POLYMERIZATION OF ACRYLONITRILE IN AQUEOUS SOLUTION

Received Date: 30 July 1964

The effect of various organic redox of tertiary buryl hydroperoxide．amine(TBH-amine) system on the title polymerization of acrylonitrile was studied．It was observed that the structure of amine bears a significant influence both on the rate of polymerization and Oil the percentage of conversion．The decreasing order of the rates of polymeriza-tion for various amines was as follows：(C2H5)3N，HEA>TEA>DMA，MEA>TEA-HCl．in which the TBH-TEA redox showed to be the best one with sufficiently high rate of polymerization and high percentage of conversion．Moreover，some parallel relationship between the rate of polymerization and duration of induction was observed，i.e., shorter duration of induction with higher rate of polymerization and vice versa．For tertia'ry amine．TBH systems．the induction period of polymerization was shown to bear a somewhat parallel relationship with the pK b of amine，i．e．，smaller pKh with shorter duration of induction and vice versa．
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