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On kinetic features of photo- or -induced polymerization in -diethynylbenzene crystals in the temperature range
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10.1063/1.3114591
/content/aip/journal/ltp/35/4/10.1063/1.3114591
http://aip.metastore.ingenta.com/content/aip/journal/ltp/35/4/10.1063/1.3114591

Figures

Image of FIG. 1.
FIG. 1.

Absorption spectra of DEB crystals (, ) before (0) and after irradiation (time in minutes shown in figure) by: a) -radiation ; b) light (, ); c) light (, ); d) DEB crystals absorption spectra for different types of irradiation.

Image of FIG. 2.
FIG. 2.

Dependence of polymer optical density (at ) on the time of irradiation of DEB crystals (, ) by light: a) , ; b) , ; c) -radiation ( (curve 1), (curve 2), ); d) light (, , ).

Image of FIG. 3.
FIG. 3.

Dependence of polymer optical density on time of irradiation of DEB crystals (, ) by light: a) , ; b) during first (vertical line) the sample was irradiated by light with , amd then it was irradiated by light with , . The dashed lines are the dependence of on during irradiation of the sample by light (, ) without preliminary irradiation (data of Fig. 3a). At (curve 1), 400 (2), and (3).

Image of FIG. 4.
FIG. 4.

Dependence of polymer optical density on logarithm of DEB crystals irradiation time by light with: a) (irradiation conditions the same as in Fig. 2b). At (curve 1), 450 (2), (3); b) (irradiation conditions as in Fig. 3a). At (curve 1), 400 (2), 450 (3), and 500 ; c) . Sample thickness: (curve 1); (2, 3). Intensities: (1, 2); (3). At ; d) (irradiation conditions the same as in Fig. 2a). At .

Image of FIG. 5.
FIG. 5.

Checking of interpolation formula for polymer optical density under irradiation of a DEB crystal (, ) by light with . , .

Image of FIG. 6.
FIG. 6.

a—Absorption spectra of DEB crystal irradiated by light (, ) at . Time (min): 2 (1); 2.5 (2); 4 (3); 6 (4); 8 (5); 10 (6); 40 (7). b—Absorption spectra changes at heating of the DEB crystal irradiated at : the absorption spectrum of a DEB crystal irradiated at by light with , (curve 1); an increase of after heating of this sample up to (2) and (3). The spectra were recorded at .

Tables

Generic image for table
Table I.

Characteristics of polymerization of DEB crystals.

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/content/aip/journal/ltp/35/4/10.1063/1.3114591
2009-04-01
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: On kinetic features of photo- or γ-induced polymerization in p-diethynylbenzene crystals in the temperature range 4.2–300K
http://aip.metastore.ingenta.com/content/aip/journal/ltp/35/4/10.1063/1.3114591
10.1063/1.3114591
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