Polylactic acid is made flame retardant by the incorporation of a synergistic mixture of (i) at least one sterically hindered amine stabilizer and (ii) at least one conventional flame retardant selected from the group consisting of the organohalogen, phosphorus containing, isocyanurate and melamine based flame retardants. The compositions of the invention combine good flame retardant properties with light stability and good mechanical properties.
聚
乳酸的阻燃剂是由以下两种物质的协同混合物组成:(i) 至少一种立体受阻胺稳定剂;(ii) 至少一种常规阻燃剂,这些阻燃剂选自有机卤素、含
磷、异
氰尿酸酯和三聚
氰胺类阻燃剂。本发明的组合物兼具良好的阻燃性能、光稳定性和良好的机械性能。