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Application of a calorimetric method in radiation-induced polymerization—V. Determination of propagation and termination rate constants for iso-butyl- and dodecyl-methacrylates

✍ Scribed by L. Busulini; S. Lora; C. D'Este; P.L. Bordin

Publisher: Elsevier Science
Year: 1979
Tongue: English
Weight: 279 KB
Volume: 15
Category: Article
ISSN: 0014-3057
DOI: 10.1016/0014-3057(79)90068-5

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✦ Synopsis

The gamma induced polymerizations of iso-butyl-(i-BMA) and dodecyl-(DDMA) methacrylates under non-stationary conditions have been studied, utilizing a calorimetric method already used for other methacrylates.

For both monomers, the polymerization rate was found to vary linearly with (dose rate)½ at the dose rates and temperatures examined. The rate constants for propagation and termination are compared with those of methyl-, ethyl-, n-butyl-and cyclohexyl methacrylate; the results are discussed.

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Application of a calorimetric method in radiation-induced polymerization—III: Determination of propagation and termination rate constants for n-butyl methacrylate

✍ S. Lora; G. Palma; L. Busulini; B. Castilletti 📂 Article 📅 1974 🏛 Elsevier Science 🌐 English ⚖ 283 KB

Abstraet--A study on the polymerization of n-butyl methacrylate has been performed using 6°Co 7-rays. The kinetics were followed by a calorimetric method already used with methyl-and ethyl-methacrylate. In this case also, the rate of polymerization was found to be proportional to (dose rate) i over