Hard Polyurethane and the Process to Obtain It. Open PDF Document Details Document Type Technical Report Publication Date Mar 28, 1980 Accession Number ADA083891 Entities Organizations National Air and Space Intelligence Center Tags Communities of Interest Materials and Manufacturing Processes DTIC Thesaurus Topics Block Copolymers Chemical Engineering Chemical Equipment Chemistry Copolymers Engineering Foreign Technology Inventions Mechanical Properties Molecular Weight Patents Polymer Chemistry Polymers Polyurethanes Translations