THE INFLUENCE OF IRRADIATION ON STABILITY OF POLYURETHANE MATRICES IN LASER ELEMENTS
Abstract
The photo-oxidative degradation of polyurethanes based on hexamethylene diisocyanate with oligoether parts of different types has been investigated by means of IR-spectroscopy and dynamical mechanical analysis. High density cross linked polyurethane based on oligo-ether triol of molecular mass 500 has been found to possess a tendency to the crosslinking density growth under photooxidation. The polyurethane, containing ester groups has been shown to be more stable, compared to the polyurethane based on oligoether diol of similar molecular mass.
About the Authors
L. F. Kosyanchuk
Institute of Macromolecular Chemistry, National Academy of Sciences of Ukraine
Russian Federation
Russian Federation
M. S. Stratilat
Institute of Macromolecular Chemistry, National Academy of Sciences of Ukraine
Russian Federation
Russian Federation
N. V. Babkina
Institute of Macromolecular Chemistry, National Academy of Sciences of Ukraine
Russian Federation
Russian Federation
T. V. Bezrodna
Institute of Physics, National Academy of Sciences of Ukraine
Russian Federation
Russian Federation
G. Ya. Menzheres
Institute of Macromolecular Chemistry, National Academy of Sciences of Ukraine
Russian Federation
Russian Federation
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Review
For citations:
Kosyanchuk L.F., Stratilat M.S., Babkina N.V., Bezrodna T.V., Menzheres G.Ya. THE INFLUENCE OF IRRADIATION ON STABILITY OF POLYURETHANE MATRICES IN LASER ELEMENTS. Zhurnal Prikladnoii Spektroskopii. 2017;84(2):316-321. (In Russ.)
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