Triazine compounds, polymers comprising triazine structural units, and method

A process for capping terminal hydroxy groups in a polycarbonate which comprises combining and reacting the polymer with a triazine-comprising capping agent of the formula (I):

• wherein L1 is o-carbomethoxyphenoxy, and Z1 and Z2 are each independently selected from the group consisting of alkyl, aryl, alkaryl, aralkyl, alkoxy, alkylamino, arylamino, aryloxy, methyl, phenyl, methoxy, ethoxy, isopropoxy, n-butoxy, iso-butoxy, t-butoxy, benzyloxy, cyclohexyloxy, methylcyclohexyloxy, nonyloxy, decyloxy, octadecyloxy, oleyloxy, phenoxy, substituted aryloxy, arylaryloxy, arylphenoxy, alkylphenoxy, 2-alkylphenoxy, 3-alkylphenoxy, 4-alkylphenoxy, n-butylphenoxy, isobutylphenoxy, t-butylphenoxy, 4-t-butylphenoxy, n-pentylphenoxy, 4-t-amylphenoxy, n-hexylphenoxy, cyclohexylphenoxy, phenylphenoxy, naphthylphenoxy, 4-cumylphenoxy, 4-(1,1,3,3-tetramethylbutyl)phenoxy, octylphenoxy, 4-tert-octylphenoxy, nonylphenoxy, dodecylphenoxy, octadecylphenoxy, pentadecylphenoxy, pentadecenylphenoxy, methoxyphenoxy, phenoxyphenoxy, benzyloxyphenoxy, n-hexyloxyphenoxy, 2-methoxyethylphenoxy, 4-(4′-oxyphenyl)-2,2,4-trimethylchroman, 2-(4′-oxyphenyl)-2,4,4-trimethylchroman, 1-(1-methyl-1-phenylethyl)-4-(1-methyl-1-(4′-oxyphenyl)ethyl)-benzene, 1,3-bis(1-methyl-1-phenylethyl)-5-(1-methyl-1-(4′-oxyphenyl)ethyl)-benzene, 4-cyanophenoxy, dialkylphenoxy, 2,6-dialkylphenoxy, 2,6-dimethylphenoxy, 2,6-di-t-butylphenoxy, 2,4-dialkylphenoxy, 2,4-di-t-butylphenoxy, 2,5-dialkylphenoxy, 2,5-di-t-butylphenoxy, 2,5-dicumylphenoxy, 3,5-dialkylphenoxy, 3,5-di-t-butylphenoxy, 3,5-dicumylphenoxy, 2,3-dialkylphenoxy, 2,3-di-t-butylphenoxy, dimethoxyphenoxy, halophenoxy, 4-halophenoxy, 4-bromophenoxy, dihalophenoxy, dibromophenoxy, 2,6-dihalophenoxy, 2,6-dibromophenoxy, 2,6-dichlorophenoxy, 2,6-(dialkoxycarbonyl)phenoxy, 2,6-(dimethoxycarbonyl)phenoxy, trialkylphenoxy, 2,3,6-trialkylphenoxy, 2,3,6-trimethylphenoxy, 2,4,6-trialkylphenoxy, 2,4,6-trimethylphenoxy, trihalophenoxy, tribromophenoxy, 2,4,6-trihalophenoxy, 2,4,6-tribromophenoxy, 2,4,6-trichlorophenoxy, vinyl, allyl, allyloxy, 2-allylphenoxy, 4-allylphenoxy, 4-ethenylphenoxy, cinnamyloxy, 4-allyl-2-methoxyphenoxy, propargyloxy, glycidoxy, and 4-oxymethyl-2-methoxy-2-methyl- 1,3-dioxolane, and
• wherein the resulting capped polycarbonate does not comprise a triazine-containing moiety as a structural unit in the polymer chain other than at a terminal site.