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Citation: Chang Ziyi, Li Zhaolong, Liu Yuqing. INHIBITING EFFECTS ON THE RADICAL POLYMERIZATION OF VINYL MONOMERS Ⅷ. EFFECT OF 1, 3, 5-TRIPH ENYLFORMAZANE ON POLYMERIZATION OF METHYL METHACRYLATE[J]. Chinese Journal of Applied Chemistry, ;1989, 6(2): 19-22. shu

INHIBITING EFFECTS ON THE RADICAL POLYMERIZATION OF VINYL MONOMERS Ⅷ. EFFECT OF 1, 3, 5-TRIPH ENYLFORMAZANE ON POLYMERIZATION OF METHYL METHACRYLATE

1.
Department of Chemistry, Lanzhou University

Received Date: 1 March 1988
Available Online: 9 September 1988

The inhibiting effect of 1,3,5-triphenylformazane(TFH) on the free radical polymerization of methyl methacrylate(MMA), initiated by AIBN, has been studied by dilatometric method.The results indicated that when TFH was incorporated with another inhibitors such as benzoquinone(BQ) or 1,4-naphtholquinone(NQ), the induction period of polymerization of MMA become longer than when TFH, hydroquinone(HQ) and p-tert-butylcatechol(TBC) was used alone. The results pointed out that when the mixture of TFH and chloranil(CA) in whatever proportion used, the induction period was shorter than when TFH used alone.Prec radicals TF· have been observed in the polymerization of MMA with added TFH.
- Inhibitor,
- Polymerization,
- 1,3,5-Triphenylformazane,
- Quinones,
- Methyl methacrylate
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