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181285

Sigma-Aldrich

聚丙烯酸

average Mv ~450,000

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:
24850924
NACRES:
NA.23

交联

~0.1 % cross-linked

质量水平

200

分子量

average Mv ~450,000

粘度

350-2500 cP

转变温度

Tg 106 °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）易吸湿、易变脆且无色，Tg 接近106oC。当温度高于200至250oC时，它将失水并变成不能溶解的交联聚合物酸酐。干燥PAA在水中的溶解度随温度升高而增加。PAA的浓缩水溶液具有触变性。

应用

聚丙烯酸（PAA）/聚甲基丙烯酸甲酯共聚物可用于药物传输。
其他应用可能包括：
  • 研究聚乙烯醇/PAA共聚物水凝胶中的溶质扩散
  • 合成对温度和pH刺激响应的聚（N-异丙基丙烯酰胺）-嵌段-PAA共聚物
  • 制备用于疏水性药物胶束递送的寡聚甲基丙烯酸甲酯/PAA的嵌段共聚物
  • 作为粘合剂的增稠剂。

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKCX7273
MKCX5503
MKCX3608
MKCX2470
MKCX1745

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