Journal of Engineering Physics and Thermophysics
is a translation of Inzhenerno-fizicheskii Zhurnal,
a publication of the  Academic Scientific Complex 
	"A. V. Luikov Heat and Mass Transfer Institute"
of the National Academy of Sciences of Belarus
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STRUCTURE OF POLYMER NETWORKS AS A PERCOLATION SYSTEM
G. V. Kozlov , V. U. Novikov , 
M. A. Gazaev , and A. K. Mikitaev
UDC 539.213
With the use of the assumption that the structure  of  an amorphous 
polymer can be presented as a set of frozen locally ordered regions 
surrounded by a loosely packed matrix, it is shown that a structure 
comprising a percolation cluster is formed in epoxypolymers, and in 
this  case  the  glass-transition  temperature  is  associated with 
the  critical  percolation  probability,  and  the glass transition 
itself is considered as a phase transition.
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