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323667

Sigma-Aldrich

聚丙烯酸

别名:

PAA

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About This Item

线性分子式:
(C3H4O2)n
CAS号:
9003-01-4
MDL编号:
MFCD00084394
UNSPSC代码:
12162002
PubChem化学物质编号:
24859410
NACRES:
NA.23

分子量

72.06 g/mol

质量水平

200

粘度

≤2000 cP

转变温度

Tg 106 °C

储存温度

2-8°C

SMILES字符串

[Na+].[O-]C(=O)C=C

InChI

1S/C3H4O2.Na/c1-2-3(4)5;/h2H,1H2,(H,4,5);/q;+1/p-1

InChI key

NNMHYFLPFNGQFZ-UHFFFAOYSA-M

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相关类别

一般描述

聚（丙烯酸）（PAA）在自然状态下具有吸湿性、脆性和且无色，Tg接近106oC。在高于200至250oC的温度下，它会失水并变成不溶的交联聚合物酸酐。干燥的PAA在水中的溶解度会随着温度的升高而提高。PAA在水中的浓缩液在自然状态下是具有触变性的。

应用

PAA的应用可包括：
  • 研究聚乙烯醇/PAA共聚物水凝胶中的溶质扩散
  • 合成可对温度和pH刺激产生相应的聚（N-异丙基丙烯酰胺）-嵌段-PAA共聚物
  • 作为粘合剂的增稠剂用于疏水性药物胶束递送的低聚（甲基丙烯酸甲酯）/PAA的嵌段共聚物的制备
  • 。

储存分类代码

11 - Combustible Solids

WGK

WGK 1

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
0000409238
0000409238
0000427459
0000427459
0000427457

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A novel galactose-decorated cross-linked micelles (cl-micelles) with ionic cores using cystamine (Cys) as a biodegradable cross-linker was prepared by using block ionomer complexes of poly(ethylene glycol)-b-poly(2-acryloxyethyl-galactose)-b-poly(acrylic acid) (PEG-b-PAEG-b-PAA) and Ca(2+) (PEG-b-PAEG-b-PAA cl-micelles/Cys). Doxorubicin (DOX) was successfully incorporated into the ionic
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