Process for the synthesis of polyoxazolidinone compounds with high stability

A polyoxazolidinone compound corresponding to formula (I) formula (II) and/or formula (III)

• wherein
• X represents methylene, dimethylene, trimethylene, tetramethylene, pentamethylene, hexamethylene, octamethylene, decamethylene or dodecamethylene, each of which may optionally be substituted with one or more heteroatom containing group, cyclohexylene, phenylene, diphenylene or dimethyl phenylene, each of which may optionally comprise one or more heteroatoms, 2-methylpentamethylene, 2,2,4-trimethyl-hexamethylene, dodecanemethylene, 1,2-cyclohexylene, 1,3-cyclohexylene, 1,4-cyclohexylene, 5-(1-methylene-(1,3,3-trimethylcyclohexane)), all regioisomers of methylene biscyclohexylene, all regioisomers of methylenebisphenylene, methylenebis-(3,3′-dimethylcyclohexane1,4-diyl), propane-2,2-diylbis(cyclohexane-4,1-diyl), propane-2,2-diyl-bis-4,1-phenylene, polyhexamethylene, tolylene, poly(propylene glycol) tolylene, poly(ethylene adipate) tolylene, 2,4,6-trimethyl-1,3-phenylene, 4-chloro-6-methyl-1,3-phenylene, poly[1,4-phenylene], co-poly(1,4-butanediol)], poly(tetrafluoroethylene oxide-co-difluoromethylene oxide), 1,3-bis(1-methylethyl)benzene, 3,3′-dimethyl-4,4′-biphenylene, naphthalene, 1,2-phenylene, 1,3-phenylene, 1,4-phenylene 2,4- or 2,5- or 2,6-tolylene or mixtures of these isomers, methylene 4,4′- or -2,4′- or 2,2′-bisphenylene or mixtures of these isomers, 4,4′-, 2,4′- or 2,2′-2,2-diphenylpropane-p-xylylene, or α,α,α′,α′-tetramethyl-m- or -p-xylylene;
• Y represents methylene, dimethylene, trimethylene, tetramethylene, pentamethylene, hexamethylene, heptamethylene, octamethylene, polyethylene, polyethyleneglycol, 1,2-cyclohexylene, 1,3-cyclohexylene, 1,4-cyclohexylene, 1,2-phenylene, 1,3-phenylene, 1,4-phenylene, 1,2-tolylene, 1,3-tolylene, 1,4-tolylene, 4,4′-methylenebis(4,1-phenylene), 4,4′-methylenebis(cyclohexane-4,1-diyl), 4,4′-(propane-2,2-diyl)bis(4,1-phenylene), propane-2,2-diyl-bis(cyclohexane-4,1-diyl), or Y can be represented by formula IV
• wherein Y′ represents methylene, dimethylene, trimethylene, tetramethylene, pentamethylene, hexamethylene, heptamethylene, octamethylene, polyethylene, polyethyleneglycol, 1,2-cyclohexylene, 1,3-cyclohexylene, 1,4-cyclohexylene, 1,2-phenylene, 1,3-phenylene, 1,4-phenylene, 1,2-tolylene, 1,3-tolylene, 1,4-tolylene, 4,4′-methylenebis(4,1-phenylene), 4,4′-methylenebis(cyclohexane-4,1-diyl), 4,4′-(propane-2,2-diyl)bis(4,1-phenylene), propane-2,2-diyl-bis(cyclohexane-4,1-diyl) or 4,4′-(3,3,5-trimethylcyclohexyliden)bisphenyl;
• each Z independently represents hydrogen, methyl, ethyl, butyl, propyl, hexyl, heptyl, octyl, nonyl, decyl, dodecyl, C10-C18 alpha-olefins, ethylene, phenyl, unsaturated fatty acid C1-C18 alkyl esters, methylene methyl ether, methylene ethyl ether, methylene propyl ether, methylene butyl ether, methylene pentyl ether, methylene hexyl ether, methylene cyclohexyl ether, methylene octyl ether, methylene 2-ethylhexyl ether, methylene C10-C18 alkyl ether, methylene allyl ether, methylene benzyl ether, methylene phenyl ether, methylene 4-tert-butylphenyl ether, methylene 1-naphthyl ether, methylene 2-naphthyl ether, methylene 2-chlorophenyl ether, methylene 4-chlorophenyl ether, methylene 4-bromophenyl ether, methylene 2,4,6-trichlorophenyl ether, methylene 2,4,6-tribromophenyl ether, methylene pentafluorophenyl ether, methylene o-cresyl ether, methylene m-cresyl ether, methylene p-cresyl ether, methylene acetate, methylene cyclohexylcarboxylate, methylene benzoate, or N-methylene phthalimide;
• each ZZ independently represents methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl, n-pentyl, n-hexyl, cyclohexyl, co-chlorohexamethylene, n-heptyl, n-octyl, iso-octyl, 2-ethyl hexyl, 2-norbornyl methyl, nonyl, 2,3,4-trimethylcyclohexyl, 3,3,5-trimethylcyclohexyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, octadecyl, stearyl, 3-butoxypropyl, 3-(2-ethylhexyloxy)-propyl, 6-chlorohexyl, benzyl, phenyl, ortho-, meta-, para-tolyl, dimethylphenyl, 4-pentylphenyl isocyanate, 4-cyclohexylphenyl, 4-dodecylphenyl, ortho-, meta-, para-methoxyphenyl, chlorophenyl (2,3,4-isomers), the different dichlorophenyl isomers, 4-nitrophenyl, 3-trifluoromethylphenyl, or 1-naphthyl;
• R1, R1′, R2, R2′, R3, R3′, R4, R5, and R6 independent of one another represent hydrogen, chloride, bromide, fluoride, methyl, ethyl, propyl, n-propyl, isopropyl, n-butyl, isobutyl, 2-butyl, tert-butyl, hexyl, methoxy, ethoxy, butoxy, phenyl, methoxyphenyl, chlorophenyl, bromophenyl, nitrophenyl, cyclobutyl, cyclopentyl, cyclohexyl, or cycloheptyl,
• X, Y, Z, ZZ, R1, R1′, R2, R2′, R3, R3′, R4, R5, R6 can be equal or different to each other,
• and
• n is an integer of ≧1.