50 10 50 15 40phbvpla tackifier 20 100 20 90 40 75plasticizer 0 45 15 40 15 35stabilizer 0 5 0 3 0 01 2______________________________________ sup 1 polyester comprising 2hydroxy propionic acid the following examples serve to further illustrate the hot melt adhesives of the invention the adhesives were tested and test data relating to adhesion and thermal stability follows the operating examples further the examples and data contain a best mode to a nitrogen purged reaction vessel was added 500 g 85 lactic acid and 17 00 g benzyl alcohol the mixture was slowly heated to 200 u00b0 c while removing water by distillation the mixture was heated at 200 u00b0 c for 4 hours reduced to 165 u00b0 c and vacuum applied for 3 hours 26 45 g desmodur h was then added dropwise at 120 u00b0 c and allowed to react an additional 1 hour to yield a yellow brittle solid to a reaction vessel purged with dry n 2 for 1 hour at 120 u00b0 c was added 250 g d l lactide 4 5 g 1 4 butane diol and 2 drops metacure t 9 catalyst under positive nitrogen pressure the mixture was purged with dry n 2 for an additional 1 hour and the temperature then raised to 150.