515. Cao su EPDM, nguyên liệu cao su của thời đại
The two most commonly used diene termonomers in the creation of EPDM are ethylidene norbornene (ENB) and dicyclopentadiene (DCPD). These respective dienes will incorporate with the polymer differently, each with their own tendency for introducing long chain branching (LCB), or polymer side chains, that will ultimately influence the vulcanization rates by sulfur or peroxide cures.
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