Abstract 1. A MOLDING POWDER WHICH COMPRISES A PARTICULATE, INTIMATE MIXTURE OF (A) A COPOLYMER (1) CONSISTING OF ABOUT 15 TO ABOUT 40 WEIGHT PERCENT GLYCIDYL METHYLACRYLATE, ABOUT 10 TO ABOUT 30 WEIGHT PERCENT METHACRYLONTRILE, AND A REMAINDER CONSISTING ESSENTIALLY OF METHYL METHACRYLATE, AND (2) HAVING AN AVERAGE MOLECULAR WEIGHT IN THE RANGE OF ABOUT 1,500 TO ABOUT 16,000, WITH LESS THAN 5 PERCENT OF THE MOLECULES OF SAID COPOLYMER HAVING A MOLECULAR WEIGHT BELOW 1,000, A SOFTENING POINT ABOVE 25* C., AND EPOXIDE GROUPS IN ITS MOLECULAR STRUCTURE RESULTANT OF INCLYSION OF SAID GLYCIDYL METHACRYLATE AS A CONSTITUENT MONOMER THEREOF, AND (B) A POLYMERIC POLYANHYDRIDE HAVING THE STRUCTURAL FORMULA -(CO-(CH(-X))N-COO-CO-(CH(-X))N-COO)- WHEREIN X=H, CH2, C2H5 OR A HALOGEN ATOM AND N IS 4 TO 10, SAID POLYMERIC POLYANHYDRIDE BEING PRESENT IN AN AMOUNT PROVIDING ABOUT 0.5 TO ABOUT 1.5 ANHYDRIDE GROUPS PER EACH EPOXY GROUP IN THE MOLSING POWDER.
A MOLDING POWDER WHICH COMPRISES A PARTICULATE, INTIMATE MIXTURE OF (A) A COPOLYMER (1) CONSISTING OF ABOUT 15 TO ABOUT 40 WEIGHT PERCENT GLYCIDYL METHYLACRYLATE, ABOUT 10 TO ABOUT 30 WEIGHT PERCENT METHACRYLONTRILE, AND A REMAINDER CONSISTING ESSENTIALLY OF METHYL METHACRYLATE, AND (2) HAVING AN AVERAGE MOLECULAR WEIGHT IN THE RANGE OF ABOUT 1,500 TO ABOUT 16,000, WITH LESS THAN 5 PERCENT OF THE MOLECULES OF SAID COPOLYMER HAVING A MOLECULAR WEIGHT BELOW 1,000, A SOFTENING POINT ABOVE 25* C., AND EPOXIDE GROUPS IN ITS MOLECULAR STRUCTURE RESULTANT OF INCLYSION OF SAID GLYCIDYL METHACRYLATE AS A CONSTITUENT MONOMER THEREOF, AND (B) A POLYMERIC POLYANHYDRIDE HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
108 words
A MOLDING POWDER WHICH COMPRISES A PARTICULATE, INTIMATE MIXTURE OF (A) A COPOLYMER (1) CONSISTING OF ABOUT 15 TO ABOUT 40 WEIGHT PERCENT GLYCIDYL METHYLACRYLATE, ABOUT 10 TO ABOUT 30 WEIGHT PERCENT METHACRYLONTRILE, AND A REMAINDER CONSISTING ESSENTIALLY OF METHYL METHACRYLATE, AND (2) HAVING AN AVERAGE MOLECULAR WEIGHT IN THE RANGE OF ABOUT 1,500 TO ABOUT 16,000, WITH LESS THAN 5 PERCENT OF THE MOLECULES OF SAID COPOLYMER HAVING A MOLECULAR WEIGHT BELOW 1,000, A SOFTENING POINT ABOVE 25* C., AND EPOXIDE GROUPS IN ITS MOLECULAR STRUCTURE RESULTANT OF INCLYSION OF SAID GLYCIDYL METHACRYLATE AS A CONSTITUENT MONOMER THEREOF, AND (B) A POLYMERIC POLYANHYDRIDE HAVING THE STRUCTURAL FORMULA