Patent ID: 8048947
Filing Date: 2011-11-01
Classification: C08K,C08L,Y10S

Abstract:
1. An elastomeric nanocomposite consisting of: a halogenated star-branched elastomer consisting of isobutylene derived units, isoprene derived units, halogen, and a polydiene branching agent; 0.5 to 10 wt percent of an exfoliated clay at least partially dispersed in the halogenated star-branched elastomer, wherein the clay is exfoliated with a dimethyl, dehydrogenated tallow, 2-ethylhexyl quaternary ammonium; a reinforcing filler; a curative system; and at least one of a dye, pigment, antioxidant, heat and light stabilizer, plasticizer, or mixtures thereof.