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Merck
CN
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文件

安全信息

719935

Sigma-Aldrich

聚(D,L-乳酸)

ester terminated, Mw 18,000-28,000

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别名:
RESOMER® R 203 S, PDLLA, 乳酸聚合物
线性分子式:
[C3H4O2]x[C2H2O2]y
CAS号:
202832-99-3
UNSPSC代码:
12162002
NACRES:
NA.23

质量水平

200

形式

amorphous

分子量

Mw 18,000-28,000

降解时间线

<6 months

粘度

0.25-0.35 dL/g, 0.1 % (w/v) in chloroform(25 °C, Ubbelohde) (size 0c glass capillary viscometer)

转变温度

Tg 46-50 °C

储存温度

2-8°C

SMILES字符串

[H]OC(C(OC(C(O[R])=O)C)=O)C

InChI

1S/C6H8O4.C4H4O4/c1-3-5(7)10-4(2)6(8)9-3;5-3-1-7-4(6)2-8-3/h3-4H,1-2H3;1-2H2

InChI key

LCSKNASZPVZHEG-UHFFFAOYSA-N

相关类别

一般描述

Ester terminated Poly(D,L-lactide) (PDLLA, RESOMER® ) is a copolymer of L and D-lactic acid and (or L and D lactide). The structure is highly irregular and amorphous. RESOMER® polymers are bioresorbable aliphatic polyesters comprised of a range of different ratios of lactide and glycolide monomers, PLA stereochemistries, and end-group functionalization.

应用

控释

法律信息

Evonik产品
RADIANT is a registered trademark of Bio-Rad Laboratories, Inc.
RESOMER is a registered trademark of Evonik Rohm GmbH

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

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Auras RA, et al.
Poly(lactic acid): Synthesis, Structures, Properties, Processing, and Application null
Biodegradable polyesters for controlled release of trypanocidal drugs: in vitro and in vivo studies.
Lemmouchi Y, et al.
Biomaterials, 19(20), 1827-1837 (1998)

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