Dienes

Polymers made from diene monomers are usually quite flexible and are used as elastomers. This group includes natural rubber and related materials, as well as the large number of synthetic polymers made with diene monomers. Residual unsaturation in these polymers is often used to cross-link (vulcanize) the materials to improve their physical properties.

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180912 Poly(acrylonitrile-co-butadiene) acrylonitrile 37-39 wt. %
418870 Poly(acrylonitrile-co-butadiene), dicarboxy terminated average Mn ~3,800, acrylonitrile 8-12 wt. %
434779 Polybutadiene average Mn 1,530-2,070 by VPO
434787 Polybutadiene average Mn ~3,000 by VPO
383694 Polybutadiene average Mn ~5,000
181382 Polybutadiene average Mw ~200,000
181374 Polybutadiene, cis average Mw 200,000-300,000
418919 Polybutadiene, dicarboxy terminated average Mn ~4,200
387673 Polybutadiene, epoxy functionalized, hydroxy terminated average Mw ~2,600, average Mn ~1,300
387665 Polybutadiene, hydroxyl terminated average Mw ~2,400, average Mn ~1,200
190799 Polybutadiene, hydroxyl terminated average Mw ~6,200, average Mn ~2,800
200433 Polybutadiene, phenyl terminated average Mn ~1,800
466867 Polybutadiene, predominantly 1,2-addition approx. 90% 1,2-vinyl
205397 Polychloroprene 85% trans, 10% cis
205400 Polychloroprene 85% trans, 10% cis
431257 Polyisoprene, cis average Mw ~38,000 by GPC, made from natural rubber
431265 Polyisoprene, cis average Mw ~35,000 by GPC, made from synthetic rubber
182141 Polyisoprene, cis 97% cis-1,4
182168 Polyisoprene, trans pellets, 99+% trans-1,4
460060 Polyisoprene-graft-maleic anhydride average Mw ~25,000
182907 Poly(styrene-co-butadiene) styrene 45 wt. %