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Merck
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文件

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號碼:
MFCD00084394
分類程式碼代碼:
12162002
PubChem物質ID:
24859410
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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Nan Liu et al.
Nanoscale, 11(14), 6794-6801 (2019-03-26)
Sodium gadolinium fluoride (NaGdF4) nanoparticles are promising candidates as T1 shortening magnetic resonance imaging (MRI) contrast agents due to the paramagnetic properties of the Gd3+ ion. Effects of size and surface modification of these nanoparticles on proton relaxation times have
A New Double-Responsive Block Copolymer Synthesized via RAFT Polymerization: Poly (N-isopropylacrylamide)-b lock-poly (acrylic acid)
Schili CM, et al.
Macromolecules, 37(21), 7861-7866 (2004)
T Inoue et al.
Journal of controlled release : official journal of the Controlled Release Society, 51(2-3), 221-229 (1998-08-01)
An AB block copolymer of oligo(methyl methacrylate) (oMMA) and poly(acrylic acid) (PAAc) has been synthesized. The block copolymer forms micelles in an aqueous medium, as confirmed by a fluorescence probe technique using pyrene. Doxorubicin hydrochloride was incorporated into the micelle
P L Zeeuwen et al.
The Journal of investigative dermatology, 116(5), 693-701 (2001-05-12)
Using serial analysis of gene expression on cultured human keratinocytes we found high expression levels of genes putatively involved in host protection and defense, such as proteinase inhibitors and antimicrobial proteins. One of these expressed genes was the recently discovered
Lei Liu et al.
ACS nano, 7(2), 1368-1378 (2013-01-04)
Hierarchical FeOOH nanostructure array films constructed by different nanosized building blocks can be synthesized at the air-water interface via a bio-inspired gas-liquid diffusion method. In this approach, poly(acrylic acid) (PAA) as a crystal growth modifier plays a crucial role in
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