A blend of aromatic polycarbonate and polylactic acid, the...

C - Chemistry – Metallurgy – 08 – L

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C08L 67/04 (2006.01) C08L 69/00 (2006.01)

Patent

CA 2736627

The present disclosure pertains to a blend of aromatic polycarbonate and polylactic acid, the method for preparing the same and the use thereof. In the present invention a transesterification catalyst is added during the preparing process with re-gard to the blend of aromatic polycarbonate and polylactic acid to improve the compatibility of the components in the blend. The blend of aromatic polycarbonate and polylactic acid is provided with the good mechanical properties, thermal processibility and flame retardance properties, and can be widely applied to mechanical product or parts, electronic equipments and/or parts, con-struction material and/or commodities.

La présente invention concerne un mélange dun polycarbonate aromatique et dun acide polylactique, son procédé de préparation et son utilisation. Selon la présente invention, un catalyseur de transestérification est ajouté pendant le procédé de préparation du mélange dun polycarbonate aromatique et dun acide polylactique pour améliorer la compatibilité des composants dans le mélange. Le mélange dun polycarbonate aromatique et dun acide polylactique présente de bonnes propriétés mécaniques, une bonne capacité de traitement thermique et de bonnes propriétés ignifuges. Il peut être appliqué dans de nombreux domaines à des pièces ou produits mécaniques, à des équipements et/ou pièces électroniques, à des matériaux de construction et/ou à des marchandises.

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