Abstract

Abstract A new method of porous polymer structure formation by means of phase separation of two polymers with different degradation rates is proposed. Aromatic polyesters of oxalic acid as fast degradable polymers were synthesized and their degradation properties under alkaline conditions were studied. Heterogeneous mixtures of poly(phenolphthalein oxalate) with poly(lactic acid) were prepared by solution phase separation and co-precipitation, and porous poly(lactic acid) samples were produced by polyoxalate leaching due to its fast degradation.

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