Integral reinforced structures with a polyurea adhesive component

Claim 1

IN COMBINATION, A REINFORCEMENT ASSEMBLY, AN ELASTOMERIC STRUCTURE, AND AN ADHESIVE, SAID ADHESIVE CONSISTING IN THE UNCURED STATE ESSENTIALLY OF AA NON-CROSSLINKED POLYREA PREPARED BY REACTING A FIRST COMPONENT COMPRISING POLYISOCYANATE SELECTED FROM THE GROUP CONSISTING OF TOLYLENE DIISOCYANATE, TRIPHENYLMETHANE-4,4''4",-TRIISOCYANATE, BENZENE-1,3,5TRIISOCYANATE, TOLUENE-2,4,6-TRIISOCYANATE, DIPHENYL-2,4,4''TRIISOCYANATE, HEXAMETHYLENE DIISOCYANATE, XYLYLENE DIISOCYANATE, CHLOROPHENYLENE DIISOCYANATE, XYLYLENE DIISOCYANATE, CHLOROPHENYLENE DIISOCYANATE, DIPHENYLMETHANE-4,4''DIISOCYANATE, NAPHTHALENE-1,5-DIISOCYANATE, XYLENE-ALPHA, ALPHA''-DIISOTHIOCYANATE, 3,3''-DIMETHYL-4,4''-BIPHENYLENE DIISOCYANATE, 3,3''-DIMETHOXY-4,4''BIPHENYLENE DIISOCYANATE, 2,2'',5''5''-TETRAMETHYL-4,4''-BIPHENYLENE DIISOCYANATE, 4,4''METHYLENEBIS (PHENYLISOCYANATE)C4,4''-SULFONYLBIS (PHENYLISOCYANATE),4,4''-METHYLENE DI-ORTHO-TOLYLISOCYANATE, ETHYLENE DIISOCYANATE, ETHYLENE DIISOTHIOCYANATE, TRIMETHYLENEDIISOCYANATE, AND A SECOND COMPONENT COMPRISING ALKYLENE POLYAMINE HAVING FROM ABOUT 2 TO ABOUT 23 PENDANT AMINE GROUPS IN A NON-PROTONIC CARBONYL CONTAINING SOLVENT SELECTED FROM THE GROUP CONSISTING OF ACETONE, METHYL ETHYL KETONE, CYCLOHEXANONE, ACETALDEHYDE, PRPIONALDEHYDE, BUTYALDEHYDE, AND ISOBUTALDEHYDE, SAID POLYAMINE AND SAID SOVENT BEING FIRST COMBINED FOR FROM ABOUT 2 MINUTES TO ABOUT 24 HOURS AT A TEMPERATURE OF ABOUT -5* TO ABOUT 150*C., THE MOLAR RATIO OF ISOCYANATE GROUPS IN THE POLYISOCYANATE TO AMINE GROUPS IN THE POLYAMINE BEING FROM ABOUT 1:1 TO ABOUT 1:20 ISOCYANATE TO AMINE, SAID ADHESIVE BEING CURED BY ADDITION OF WATER AND REMOVAL OF THE SOLVENT FROM THE NON-CROSSLINKED POLYUREA.