C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 293/00 (2006.01) C08L 33/08 (2006.01)
Patent
CA 2617547
The present invention relates to the use of poly acrylic and /or methacrylic macroinitiators in the free radical addition reaction of vinyl aromatic monomers to improve the properties of the resulting copolymer and/or composite. More particularly, the present invention relates to the production of poly acrylic and/or poly methacrylic macroinitiators having nitroxyl end groups. Using such macroinitiators in the free radical addition reaction of vinyl aromatics such as polystyrene compatibilizes the acrylic monomer in the vinyl aromatic matrix thereby improving the properties of the resulting polymer.
L'invention concerne l'utilisation de macro-initiateurs polyacryliques et/ou méthacryliques dans la réaction d'addition radicalaire de monomères aromatiques de vinyle pour améliorer les propriétés du copolymère et/ou du composite obtenu. L'invention concerne en particulier la production de macro-initiateurs polyacryliques et/ou méthacryliques dotés de groupes terminaux nitroxyle. L'utilisation de tels macro-initiateurs dans la réaction d'addition radicalaire d'aromatiques vinyliques tels que le polystyrène rend compatible le monomère acrylique dans la matrice aromatique de vinyle, améliorant ainsi les propriétés du polymère obtenu.
Callais Peter A.
Gerard Pierre
Magnet Stephanie
Passade Boupat Nicholas
Schmidt Scott C.
Arkema Inc.
Borden Ladner Gervais Llp
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