Methyl methacrylate-chloroprene copolymerization: an evaluation of copolymerization models

Hill D.J.T., O'Donnell J.H. and O'Sullivan P.W. (1984) Methyl methacrylate-chloroprene copolymerization: an evaluation of copolymerization models. Polymer, 25 4: 569-573. doi:10.1016/0032-3861(84)90221-0


Author Hill D.J.T.
O'Donnell J.H.
O'Sullivan P.W.
Title Methyl methacrylate-chloroprene copolymerization: an evaluation of copolymerization models
Journal name Polymer   Check publisher's open access policy
ISSN 0032-3861
Publication date 1984
Sub-type Article (original research)
DOI 10.1016/0032-3861(84)90221-0
Volume 25
Issue 4
Start page 569
End page 573
Total pages 5
Subject 1605 Policy and Administration
2507 Polymers and Plastics
Abstract The composition and triad fraction data of Ebdon (Polymer 1974, 15, 782) for the copolymerization of methyl methacrylate with chloroprene have been re-evaluated using non-linear least squares curve-fitting procedures and statistical testing of conclusions. Using the compositions and triad fractions separately, best estimates of reactivity ratios together with the joint confidence intervals for these parameters for terminal and penultimate models have been calculated. It has been shown that the terminal model cannot describe adequately the experimental compositions or triad fractions. While the allowance of a penultimate effect for methyl methacrylate chain end radicals provides a significant improvement over the fit of the terminal model to the copolymer compositions, there is only a small probability that both the triad fraction and the composition data can be described adequately by one set of penultimate reactivity ratios.
Keyword evaluation of copolymerization models
Methyl methacrylate-chloroprene
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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