INHIBITING EFFECTS ON THE RADICAL POLYMERIZATION OF VINYL MONOMERS Ⅻ.THE INHIBITING EFFECT OF ACYL THIOSEMICARBAZIDES AND SOME HETEROCYCLES ON POLYMERIZATION OF VAc

Chinese Journal of Applied Chemistry ›› 1990, Vol. 0 ›› Issue (1): 94-97.

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INHIBITING EFFECTS ON THE RADICAL POLYMERIZATION OF VINYL MONOMERS Ⅻ.THE INHIBITING EFFECT OF ACYL THIOSEMICARBAZIDES AND SOME HETEROCYCLES ON POLYMERIZATION OF VAc

Zhang Ziyi, Wei Xiuying, Yang Rong, Ge Shizhen

Department of Chemistry, Lanzhou University, Lanzhou 30000

Received:1989-03-06 Revised:1989-06-14 Published:1990-02-10 Online:1990-02-10

Abstract

Abstract: The inhibition effects of five 1-isonicotinoyl-4-arylthiosemicarbazides and some 1,2,4-triazoline-5-thione derivatives on the polymerization of VAc, initiated by AIBN, have beeninvestigated by dilatometric method. The results showed that being added in the amountof 1000-3000ppm, the thiosemicarbazides have a more prominent inhibiting effect thantrizoline-5-thiones. When the compounds studied were incorporated with 1,4-benzoquinoneor hydroquinone the inhibiting effect increased strikingly.

Key words: inhibitor, radical polymerization, acylthiosemicarbazide, triazole, vinyl acetate

Zhang Ziyi, Wei Xiuying, Yang Rong, Ge Shizhen. INHIBITING EFFECTS ON THE RADICAL POLYMERIZATION OF VINYL MONOMERS Ⅻ.THE INHIBITING EFFECT OF ACYL THIOSEMICARBAZIDES AND SOME HETEROCYCLES ON POLYMERIZATION OF VAc[J]. Chinese Journal of Applied Chemistry, 1990, 0(1): 94-97.

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INHIBITING EFFECTS ON THE RADICAL POLYMERIZATION OF VINYL MONOMERS Ⅻ.THE INHIBITING EFFECT OF ACYL THIOSEMICARBAZIDES AND SOME HETEROCYCLES ON POLYMERIZATION OF VAc

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