Patent ID: 8901262
Filing Date: 2014-12-02
Classification: C08F,C12P,Y02E

Abstract:
1. A method for producing polyisoprene derived from renewable resources comprising: (a) initiating polymerization of isoprene monomer in an isoprene starting composition which is derived from renewable resources, wherein the isoprene starting composition derived from renewable resources comprises greater than about 2 mg of the isoprene monomer and comprises one or more compounds selected from the group consisting of ethanol, acetone, C5 prenyl alcohols, isoprenoid compounds with 10 or more carbon atoms, methanol, acetaldehyde, methacrolein, methyl vinyl ketone, 2-methyl-2-vinyloxirane, cis- and trans-3-methyl-1,3-pentadiene, 2-heptanone, 6-methyl-5-hepten-2-one, 2,4,5-trimethylpyridine, 2,3,5-trimethylpyrazine, citronellal, acetaldehyde, methanethiol, methyl acetate, 1-propanol, diacetyl, 2-butanone, 2-methyl-3-buten-2-ol, ethyl acetate, 2-methyl-1-propanol, 3-methyl-1-butanal, 3-methyl-2-butanone, 1-butanol, 2-pentanone, 3-methyl-1-butanol, ethyl isobutyrate, 3-methyl-2-butenal, butyl acetate, 3-methylbutyl acetate, 3-methyl-3-buten-1-yl acetate, 3-methyl-2-buten-1-yl acetate, (E)-3,7-dimethyl-1,3,6-octatriene, (Z)-3,7-dimethyl-1,3,6-octatriene, and 2,3-cycloheptenolpyridine; (b) allowing the polymerization of the isoprene monomer to continue to produce the polyisoprene; (c) terminating the polymerization of the isoprene monomer, and (d) recovering the polyisoprene.