Crossref journal-article
Wiley
Journal of Polymer Science Part A-1: Polymer Chemistry (311)
Abstract

AbstractThe rate of bulk polymerization of methyl methacrylate and styrene was determined directly, continuously and over the whole range of conversion with a differential scanning calorimeter (DSC) operated isothermally. At the later stages of the accelerated polymerization of methyl methacrylate, a previously unknown inflection or peak in the rate of polymerization was observed. The variation of the rate after the onset of the gel effect, including this peculiar inflection, was interpreted on the basis of the diffusion behavior of monomer molecules and polymeric radicals in the polymer–monomer system, their diffusion rates being predicted from the free volume theory. The final conversion at which no further polymerization proceeds was determined for both monomers. It was affirmed quantitatively that the final conversion has a close relation with the transition of the polymer–monomer system from a viscous liquid to a glassy state.

Bibliography

Horie, K., Mita, I., & Kambe, H. (1968). Calorimetric investigation of polymerization reactions. I. Diffusion‐controlled polymerization of methyl methacrylate and styrene. Journal of Polymer Science Part A-1: Polymer Chemistry, 6(9), 2663–2676. Portico.

Authors 3
  1. Kazuyuki Horie (first)
  2. Itaru Mita (additional)
  3. Hirotaro Kambe (additional)
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Dates
Type When
Created 22 years, 4 months ago (April 21, 2003, 6:48 a.m.)
Deposited 1 year, 10 months ago (Oct. 16, 2023, 9:50 a.m.)
Indexed 11 months, 3 weeks ago (Aug. 27, 2024, 5:49 a.m.)
Issued 56 years, 11 months ago (Sept. 1, 1968)
Published 56 years, 11 months ago (Sept. 1, 1968)
Published Online 22 years, 5 months ago (March 10, 2003)
Published Print 56 years, 11 months ago (Sept. 1, 1968)
Funders 0

None

@article{Horie_1968, title={Calorimetric investigation of polymerization reactions. I. Diffusion‐controlled polymerization of methyl methacrylate and styrene}, volume={6}, ISSN={1542-9350}, url={http://dx.doi.org/10.1002/pol.1968.150060921}, DOI={10.1002/pol.1968.150060921}, number={9}, journal={Journal of Polymer Science Part A-1: Polymer Chemistry}, publisher={Wiley}, author={Horie, Kazuyuki and Mita, Itaru and Kambe, Hirotaro}, year={1968}, month=sep, pages={2663–2676} }