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457620

Sigma-Aldrich

聚乙交酯

inherent viscosity 1.4dL/g

别名:

PGA，聚乙醇酸

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About This Item

线性分子式:
(C2H4O3)n
CAS号:
26124-68-5
MDL编号:
MFCD00148011
UNSPSC代码:
12162002
PubChem化学物质编号:
24869373
NACRES:
NA.23

质量水平

100

表单

solid

降解时间线

6-12 months

固有粘度

1.1-1.7 dL/g, 0.1 % (w/v) in hexafluoroisopropanol(25 °C)

转变温度

Tm 220-230 °C

溶解性

hexafluoroisopropanol: soluble

密度

1.53 g/mL at 25 °C (lit.)

储存温度

2-8°C

SMILES字符串

OCC(O)=O

InChI

1S/C2H4O3/c3-1-2(4)5/h3H,1H2,(H,4,5)

InChI key

AEMRFAOFKBGASW-UHFFFAOYSA-N

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相关类别

一般描述

可生物降解和生物相容的 PGA 在骨再生中具有潜在应用价值。在二苯基溴化铋存在下，通过二乙醛的开环聚合反应可以制得高分子量聚乙交酯(PGA)。

应用

医疗器械
聚乙交酯（PGA）和聚丙交酯可用于制备可生物降解的共聚物，该共聚物可用作植入物。已经报道了以 PGA 纤维为复合材料的组分之一的生物聚合物/碳纳米管复合材料的制造。已经制造了改性多孔 PGA 支架。

物理属性

可生物降解聚合物

制备说明

为了获得在六氟异丙醇中的溶解性，熔融晶态产品并用液氮淬火，将材料变为非晶态。

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKCV5213
MKCN9577
MKCC4011
MKBQ7102V
MKBJ2002V

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