The value of T g depends on the mobility of the polymer chain - the more immobile the chain, the higher the value of T g . In particular, anything that restricts rotational motion within the chain sho...The value of T g depends on the mobility of the polymer chain - the more immobile the chain, the higher the value of T g . In particular, anything that restricts rotational motion within the chain should raise T g . A polymer chain that can move easily will change from a glass to a rubber at a low temperature.
The value of T g depends on the mobility of the polymer chain - the more immobile the chain, the higher the value of T g . In particular, anything that restricts rotational motion within the chain sho...The value of T g depends on the mobility of the polymer chain - the more immobile the chain, the higher the value of T g . In particular, anything that restricts rotational motion within the chain should raise T g . A polymer chain that can move easily will change from a glass to a rubber at a low temperature.