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Merck

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:
MDL號碼:
分類程式碼代碼:
12162002
PubChem物質ID:
NACRES:
NA.23

分子量

72.06 g/mol

黏度

≤2000 cP

轉變溫度

Tg 106 °C

儲存溫度

2-8°C

InChI

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

InChI 密鑰

NNMHYFLPFNGQFZ-UHFFFAOYSA-M

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相关类别

一般說明

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。

應用

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

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


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