[供应]外消旋聚乳酸PDLLA

中文名称：聚DL-丙交酯，聚DL-乳酸，DL-聚乳酸，外消旋聚乳酸          
英文名称：PolyDL-lactide，Poly（DL-lactic acid），DL-polylactide
产品型号：PDL                          
化学式：C6H8O4n                          
 CAS登录号：26023-30-3
 
应用说明：聚DL-丙交酯（PDLLA）是一种生物可吸收降解材料。可用于医学领域，如一次性输液用具、免拆型手术缝合线；药物控释、缓释包装剂；组织工程支架、骨固定及骨修复材料、注射用微胶囊、微球、埋植剂及动物器官支撑弹性体等材料.
 
项目                                                               质量指标
外观                                                               白色粉末或颗粒
粘均分子量                                                          0.6-100万
特性粘度                                                             0.3-11dL/g
旋光度（氯仿）                                                      -10°—+10°
玻璃化温度                                                          45℃—55℃
熔点                                                                无定形
残留单体                                                           ＜1%
残留溶剂                                                            ＜0.5%
重金属                                                             ＜10 ppm
锡（催化剂）                                                       ＜200 ppm
密度：                                                             1.2-1.3 g/cm3
硫酸盐灰分                                                          ＜0.1%