C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 220/12 (2006.01) C08F 224/00 (2006.01) C08F 269/00 (2006.01) C08F 291/00 (2006.01) C08L 37/00 (2006.01) C08L 51/00 (2006.01) C08L 57/00 (2006.01)
Patent
CA 2468696
This invention discloses resilient, acrylic graft polymers comprising .alpha.- methylene lact(one)(am) monomers such as .alpha.-methylene-.gamma.- butyrolactone, and blends of such polymers with thermoplastic matrix resins. This invention also discloses hard, non-resilient, acrylic graft polymers comprising .alpha.-methylene lact(one)(am) monomers such as .alpha.-methylene- .gamma.-butyrolactone, and to blends of such polymers with thermoplastic matrix resins. This invention further discloses a general process for emulsion polymerization of .alpha.-methylene lact(one)(am) monomers such as .alpha.- methylene-.gamma.-butyrolactone and its copolymers.
L'invention concerne des polymères greffés acryliques élastiques comprenant des monomères d'.alpha.-méthylène-lact(one)(ame) tels que de l'.alpha.-méthylène-.gamma.-butyrolactone, et des mélanges de tels polymères avec des résines de matrices thermoplastiques. Cette invention concerne également des polymères greffés acryliques non élastiques et durs comprenant des monomères d'.alpha.-méthylène-lact(one)(ame) tels que de l'.alpha.-méthylène-.gamma.-butyrolactone, et des mélanges de tels polymères avec des résines de matrices thermoplastiques. L'invention se rapporte en outre à un procédé général de polymérisation en émulsion de monomères d'.alpha.-méthylène-lact(one)(ame) tels que l'.alpha.-méthylène-.gamma.-butyrolactone et ses copolymères.
Bennett Jones Llp
Brandenburg Charles J.
E. I. Du Pont de Nemours And Company
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