Respuesta :
The vulcanization of rubber is a classic example of how chemical cross-linking has successfully utilized to modify the physicochemical characteristics of polymeric materials.
Polymer , An effect related to branching is chemical crosslinking - the formation of covalent bonds between chains.
Crosslinking tends to increase (Tg) glass transition temperature and increase strength and toughness. Among other applications, this process is used to strengthen rubbers in a process known as vulcanization, which is based on crosslinking by sulfur.
Car tires, are highly crosslinked in order to reduce the leaking of air out of the tire and to toughen their durability and are an perfect example to show how branching and crosslinking can affect the physical behavior of a polymer.
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