obtained after cooling may be used as such the product may be modified with additives such as heat and light stabilizers mold lubricants release agents pigments dyes and fillers e g fibers glass asbestos ground glass graphite carbon black metals and metal oxides and blended with other plastic materials natural or synthetic in order to provide a better understanding of the present invention the following working examples are presented the reactants were charged into a 25 ml glass ampoule which was flushed with n 2 for 30 seconds sealed with a flame and then put into a cage the cage is heated in an air oven for the temperature and time required the ampoule was taken from the oven cooled to room temperature and put into dry ice isopropanol bath the ampoule was carefully opened with a hot glass rod the crude polymer was dissolved in formic acid followed by precipitation of the polymer into 20 times its volume of acetone the resulting powdery polymer was dried in a vacuum oven at 60 u00b0 c for 16 hours the polymer was then water extracted overnight and dried in a vacuum oven the results are shown in table i the intrinsic viscosity was determined in a 90 formic acid solution at 25 u00b0 c table i______________________________________temperature 170 u00b0 c time 96 hours water intrin monomers product insolub viscos crystal ex molar ratio composit dl g ______________________________________a caprolactone 0 h sub 2 o 1 3 b acrylamide 0 caprolactone water 3 1 3 c acrylonitrile 0 water caprolactone 1 1 3 d acrylonitrile 0 water caprolactone 1 1 1 1 ammonium 32 ester 53 0 2 29 7acrylate 68 amidecaprolactone 2 1 2 ammonium 14 ester 35 0 1 23 2acrylate 86 amideacrylonitrilecaprolcatone 53 27 20 3 acrylonitrile 22 ester.