Graft polymerization of substituted styrene polymers having...

C - Chemistry – Metallurgy – 08 – F

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C08F 212/34 (2006.01) C07C 15/40 (2006.01) C07C 15/50 (2006.01) C08F 12/34 (2006.01) C08F 230/08 (2006.01) C08F 236/04 (2006.01) C08F 257/02 (2006.01) C08F 279/02 (2006.01)

Patent

CA 1299798

- 37 - ABSTRACT OF THE DISCLOSURE A graft copolymer having a plurality of polymer side chains is disclosed. The starting backbone polymer is a homopolymer or copolymer of a styrene derivative having a pendant vinylidene group on the benzene ring. The graft copolymer may be produced by metallizing said backbone polymer with an alkali metal and then polymerizing an ethylenically unsaturated monomer in the presence of the metallized polymer as an anionic polymerization initiator.

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