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1999 | 95 | 4 | 671-676
Article title

Polymerization of Epoxy Resins Studied by Positron Annihilation

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EN
Abstracts
EN
The polymerization process of epoxy resins (bisphenol-A dicyanate) was studied using positron-annihilation lifetime spectroscopy. The polymerization from monomer to polymer through a polymerization reaction was followed by positron-annihilation lifetime spectroscopy measurements. Resins kept at curing temperatures (120, 150, and 200°C) changed form from a powder to a solid through a liquid. The size of the intermolecular spaces of the solid samples increased along with the progress of polymerization.
Keywords
EN
Contributors
author
  • High Energy Accelerator Research Organization, Tskuba, Ibaraki, 305-0801, Japan
author
  • Fine Chemicals Research Laboratory, Sumitomo Chemical, Tskuba, 300-32, Japan
author
  • RCNS, University of Tokyo, Tokai, Ibaraki 319-1106, Japan
References
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Publication order reference
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YADDA identifier
bwmeta1.element.bwnjournal-article-appv95z440kz
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