Quality Segment
description
n=45, m=28 (typical), typical PEG PDI<1.1; overall PDI<1.4 (THF, PEO)
form
pellets
mol wt
PDLLA average Mn 2,000, PEG average Mn 2,000, average Mn 4,000 (total)
degradation timeframe
2-4 weeks
transition temp
Tg 11 °C (PEG block), Tm 244-248 °C, Tg 88 °C (PDLLA block)
PDI
≤1.4
storage temp.
2-8°C
General description
嵌段共聚物胶束广泛用于药物递送领域。PEG-PDLLA是一种可生物降解的聚合物胶束,可用作疏水性药物(如紫杉醇)的载体。PEG是亲水性部分,PDLLA是疏水性部分,后者形成负载疏水性药物的胶束核心。
Application
用作控制和靶向释放疏水性抗癌药物的载体。
药物的水溶性
Features and Benefits
- 良好的生物相容性、低免疫原性和良好的降解性。
- 通过改变嵌段共聚物链段的尺寸可以轻松调节其性能,以适合特定应用。
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存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable