C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 21/00 (2006.01) C08F 8/32 (2006.01) C08F 8/34 (2006.01) C08L 23/26 (2006.01) C08L 25/18 (2006.01)
Patent
CA 2160012
Functionalized copolymers of a C4 to C7 is-olefin and para-alkylstyrene are provided which are prepared by a nucleophilic displacement of at least a portion of benzylic halogen presont in the alkyl styrene moiety with an S-R2 (OH)n nucleophile, R2 being C1 to C20 hydrocarbyl and n being an integer from 1 to 10. Polymer blends based on a mixture of a polar polymer and a functionalized isobutylene/para-alkylstyrene copolymer are also provided, wherein at least a portion of the benzylic halogen present in the alkyl styrene moiety is displaced by OH, S-R2 (OH)n or N(H)2-m((R3)OH)m, R3 being C1 to C20 hydrocarbyl and m being 1 or 2.
Arjunan Palanisamy
Olkusz Joseph Alexander
Borden Ladner Gervais Llp
Exxon Chemical Patents Inc.
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