Styrene derivatives and macromolecules containing reactive...

Details Styrene derivatives and macromolecules containing reactive... Styrene derivatives and macromolecules containing reactive...

C - Chemistry, Metallurgy

07

C

400/2003, 402/37

C07C 22/04 (2006.01) C07C 33/38 (2006.01) C07C 43/176 (2006.01) C08F 8/00 (2006.01)

Patent

CA 1326045

ABSTRACT Novel styrene derivatives are disclosed of the formula: (I) Image wherein R1 and R2 are the same or different and each represents a saturated aliphatic hydrocarbon group or an aromatic hydrocarbon group, and R3 is -OH, Cl, or a group of the formula -OR4 or -O-?-R4 wherein R4 represents a saturated aliphatic hydrocarbon group or an aromatic hydrocarbon group. The functionalized styrene monomers I as well as polymers and copolymers incorporating such monomer units are useful as initiators, or precursors thereof, for the polymerization of isobutylene under cationic conditions to give graft copolymers containing both styrenic and isobutylenic units. These copolymers have commercial applications such as rubbers, coatings, and lubricants.

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