Free volume of cyanate resins studied by positron annihilation

T. Suzuki; Y. Oki; M. Numajiri; T. Miura; K. Kondo; N. Oshima; T. Hayashi; H. Nakamura; Y. Ito

doi:10.1007/bf02056395

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 210: Issue 2

Free volume of cyanate resins studied by positron annihilation

Authors:

T. Suzuki

T. Suzuki National Laboratory for High Energy Physics 305 Tsukuba, Ibaraki (Japan)

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Y. Oki

Y. Oki National Laboratory for High Energy Physics 305 Tsukuba, Ibaraki (Japan)

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M. Numajiri

M. Numajiri National Laboratory for High Energy Physics 305 Tsukuba, Ibaraki (Japan)

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T. Miura

T. Miura National Laboratory for High Energy Physics 305 Tsukuba, Ibaraki (Japan)

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K. Kondo

K. Kondo National Laboratory for High Energy Physics 305 Tsukuba, Ibaraki (Japan)

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N. Oshima

N. Oshima The Graduate University for Advanced Studies 305 Tsukuba, Ibaraki (Japan)

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T. Hayashi

T. Hayashi Sumimoto Chemical Fine Chemicals Research Laboratory 300-32 Tsukuba (Japan)

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H. Nakamura

H. Nakamura Sumimoto Chemical Fine Chemicals Research Laboratory 300-32 Tsukuba (Japan)

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Y. Ito

Y. Ito The University of Tokyo, c/o JEARI RCNST Tokai-mura 319-11 Ibaraki (Japan)

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Pages:: 555–562

Online Publication Date:: 13 Aug 2005

Publication Date:: 17 Nov 1996

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02056395

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Abstract

The polymerization process of bisphenol-A dicyanate (BADCy) has been studied using a positron-annihilation lifetime technique (PAL). The polymerization was conducted at 150°C, and the process was followed by PAL. Seven kinds of samples with different curing times were also formed at 150°C, and the relation between the period of the curing time and the degree of polymerization was studied. It has been shown that theo-Ps lifetime increases in samples with a higher polymerization than 85%, which is consistent with measurements of the specific volume of BADCy.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)