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Merck
CN

764698

聚 L -丙交酯

average Mn 20,000, PDI ≤1.8

别名:

聚乳酸, L-乳酸聚合物, PLA,聚(L-L-乳酸)

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关于此项目

线性分子式:
H(C3H4O2)nOCH3
NACRES:
NA.23
UNSPSC Code:
12162002
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form

solid

Quality Level

optical activity

[α]22/D -153°, c = 0.5% in chloroform

mol wt

average Mn 20,000

degradation timeframe

>3 years

transition temp

Tm 167-172 °C

PDI

≤1.8

storage temp.

2-8°C

General description

Poly (L-lactide) is a semi-crystalline polymer which exhibits strong optical rotation and good mechanical properties. It is mostly used in the synthesis of degradable polymers which are used in orthopaedic devices, in dental applications, as scaffolds for autografted new skin, wound covers, anastomose systems and stents. They are biodegradable since the polyester backbone degrades by simple hydrolysis to form non-toxic compounds.

Application

Used in Drug Delivery including coating nanoparticles. Can be end-group functionalizated or used as a macroinitiator/block precursor.

Features and Benefits

High initial strength, good strength retention and high amount of crystallinity as much as 70% which in turn is responsible for the very slow degradation rate.


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存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable



历史批次信息供参考:

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