Slow regions percolate near glass transition
Abstract
A nano-second scale in situ probe reveals that a bulk linear polymer undergoes a sharp phase transition as a function of the degree of conversion, as it nears the glass transition. The scaling behaviour is in the same universality class as percolation. The exponents γ and β are found to be 1.7 .1 and 0.41 0.01 in agreement with the best percolation results in three dimensions.
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