| 摘要 |
08CO6925 A compound of the formula wherein R is a hydrocarbon of three to about 50 carbon atoms and the residue of the reaction of triol R(OH)3 with the anhydride of Formula II; Y is CR5R6, O,S,NCH3 wherein R5 and R6 are the same or different and are hydrogen, alkyl of one to three carbon atoms, inclusive, or phenyl; X is 0 or 1; R1, R2, R3, and R4 are the same or different and are selected from the group consisting of hydrogen, phenyl or aliphatic of one to about twenty carbon atoms, inclusive, and R2 and R4 joined together form a normal alkylene or alkenylene chain of two to about six carbon atoms, inclusive, unsubstituted or substituted with one to six alkyl groups having from one to about four carbon atoms, inclusive. a process to make the compounds; and branched aromatic carbonate polymers having incorporated therein in the branching component a compound of the above formula.
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