High-heat-resistance transparent polylactic acid material

The invention discloses a high-heat-resistance transparent polylactic acid material which has high transparency and high heat resistance and can be applied to the fields of injection molding and extrusion with relatively high requirements on transparency and heat resistance. The material is prepared from the following components in parts by mass: 98.6 to 87 parts of polylactic acid, 1 to 10 parts of micromolecular polylactic acid, 0.2 to 1 part of antioxidant, 0.1 to 1 part of nucleation inducer and 0.1 to 1 part of chitosan. And carrying out melt blending through a twin-screw extruder to obtain the polylactic acid material with good heat resistance and transparency. 本发明公开了一种高耐热透明型聚乳酸材料，具有高透明和高耐热性，可以应用在对透明性和耐热性有着较高要求的注塑和挤出领域。按质量份数计，该材料组成包括：聚乳酸98.6-87份，小分子聚乳酸1-10份，抗氧剂0.2-1份，成核诱导剂0.1-1份，壳聚糖0.1-1份。通过双螺杆挤出机进行熔融共混制得拥有良好耐热性和透明性的聚乳酸材料。