US Patent 8962717 Long-fiber-reinforced flame-retardant polyesters

Thermoplastic molding compositions comprisingA) from 10 to 93% by weight of a thermoplastic polyesterB) from 1 to 20% by weight of a phosphinic saltC) from 1 to 20% by weight of a nitrogen-containing flame retardantD) from 5 to 50% by weight of a long-fiber reinforcing material with fiber length from 2 to 25 mm and L/D ratio from 500 to 4000E) from 0 to 50% by weight of other additives,where the total of the percentages by weight of components A) to E) is 100%.