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文件

416010

Sigma-Aldrich

聚乙烯（丙烯酸，钠盐） 溶液

average Mw ~1,200, 45 wt. % in H2O

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别名:
PAA, 聚丙烯酸钠
线性分子式:
[CH2CH(CO2Na)]n
CAS号:
9003-04-7
MDL编号:
MFCD00147949
PubChem化学物质编号:
24866052
NACRES:
NA.23

形式

viscous liquid

质量水平

200

分子量

average Mw ~1,200

浓度

45 wt. % in H2O

折射率

n20/D 1.43

密度

1.32 g/mL at 25 °C

SMILES字符串

[Na]OC(=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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应用

聚丙烯酸钠盐溶液已用于研究在Fe(lll)存在下，聚丙烯酸(PAA)超分子聚集体的形成机制。这种超分子作用捕获所有三价铁，抑制Fe(OH)3沉淀的形成。聚丙烯酸的螯合性可用于抑制氧化铁等铁氧化物的沉淀。

聚丙烯酸可用作正向渗透的驱动溶质，因其具有结构柔性和高水溶性。相比传统离子盐类更加优越，因其具有相当的水通量，但反向渗漏更少。

可用于研究PAA分子量对结晶中的CaCO3晶体成核与生长的影响。

储存分类代码

10 - Combustible liquids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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Michael Dietzsch et al.
Langmuir : the ACS journal of surfaces and colloids, 29(9), 3080-3088 (2013-02-08)
Scale formation, the deposition of certain minerals such as CaCO3, MgCO3, and CaSO4·2H2O in industrial facilities and household devices, leads to reduced efficiency or severe damage. Therefore, incrustation is a major problem in everyday life. In recent years, double hydrophilic
Yiding Ma et al.
Langmuir : the ACS journal of surfaces and colloids, 29(9), 2946-2954 (2013-01-29)
In principle, incorporation of comb-like block copolymers in multilayer polyelectrolyte films can both increase film thickness relative to coatings containing linear polymers and provide more swollen films for increased sorption of proteins. In the absence of added salt, alternating adsorption
Serhat Elcicek et al.
Experimental parasitology, 133(3), 237-242 (2012-12-15)
Polyacrylic acid (PAA) is one of the anionic synthetic polyelectrolytes and is used in various immunological and pharmaceutical applications. PAA has been used as adjuvant in veterinary vaccines, in particular. However, to our knowledge, there are no studies that document
Priscila Stona et al.
The journal of adhesive dentistry, 15(3), 221-227 (2013-04-06)
To examine the influence of 11.5% polyacrylic acid pretreatment on the interface and bond strength of self-adhesive resin cements (Maxcem Elite, RelyX Unicem, SeT) to dentin. Fifty-six third molars were randomly divided into seven groups: RelyX ARC as control (ARC)
Marguerite J Kutyła et al.
AAPS PharmSciTech, 14(1), 301-311 (2013-01-12)
The controlled release of diflunisal and fluconazole from tablets made of novel polymers, poly(acrylic acid) (PAA) crosslinked with either β-cyclodextrin (βCD) or hydroxypropyl-βCD (HPβCD), was investigated and Carbopol 934P (Carbopol) was used as a highly crosslinked PAA for comparison. Diflunisal
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