This invention relates to a high molecular polymer that is degradable pollutant, especially relates to heat waxiness and bio degradable polymer that consisted by poly lactic acid and starch.

• 本发明涉及生物可降解的高分子聚合物，特别是涉及基本上由聚乳酸和淀粉组成的热可塑和生物可降解聚合物。