Biodegradable aliphatic colors are stabilized - aromatic copolyesters , manufacturing method , and the article

摘要

(CSub 1/Sub -CSub 3/Sub) Alkyl (a) a dihydric alcohol , (b) an aromatic dicarboxylic acid , aromatic dicarboxylic acid aromatic dicarboxy compound selected from or a combination thereof esters , in an amount to reduce and (c) adipic acid , color and (d) titanium , their phosphorus-containing compounds , nitrogen- containing compounds , and boron-containing compounds , including the titanium catalyst composition comprising a compound selected from a combination of , the polymerization reaction product is biodegradable aliphatic - an aromatic copolyester , from 2 to 6 and number average molecular weight of at least 20,000 daltons a polydispersity index of less than aliphatic - aromatic copolyester .