C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 4/00 (2006.01) C08F 2/38 (2006.01) C08F 293/00 (2006.01)
Patent
CA 2285306
A polymerization process for the preparation of (meth)acrylate containing homopolymers or block copolymers comprises heating a mixture of a free radical initiator, a stable free radical agent, and a polymerizable monomer compound to form a thermoplastic resin or resins with a narrow polydispersity. The stable free radical agent is a piperazinone or morpholone based nitroxide or any adducts thereof.
L'invention porte sur un procédé de polymérisation utilisé dans la préparation d'homopolymères ou de copolymères séquencés contenant un (méth)acrylate. Ce procédé consiste à chauffer un mélange d'un initiateur de radicaux libres, un agent stable des radicaux libres et un composé monomère polymérisable de façon à former une ou des résines thermoplastiques à polydispersité étroite. L'agent stable des radicaux libres est un oxyde nitreux à base de pipérazinone ou de morpholone ou un adjuvant de ces composés.
Lai John Ta-Yuan
Masler William F.
Nicholas Paul Peter
Pourahmady Naser
Puts Rutger D.
Noveon Ip Holdings Corp.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
The B.f. Goodrich Company
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