| 摘要 |
Carbonate polymers having increased thermal stability are prepared by incorporating into the polymer chain an oligomer having the formula <IMAGE> wherein R is the divalent residue of a dihydric phenol or a dihydric polynuclear phenol, R1 is an alkyl, aralkyl or alkaryl group having 1 to 25 carbons, and n is a number having an average value of 1-200. |
