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523925

Sigma-Aldrich

聚丙烯酸 溶液

average Mw ~100,000, 35 wt. % in H2O

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:
24874380
NACRES:
NA.23

分子量

average Mw ~100,000

质量水平

200

浓度

35 wt. % in H2O

密度

1.14 g/mL at 25 °C

SMILES字符串

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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相关类别

一般描述

聚(丙烯酸)（PAA）本身具有吸湿性和脆性，无色，Tg接近106oC。在200-250oC温度下，它会脱水变成不溶的交联聚合物酸酐。干燥PAA在水中的溶解度随着温度升高而增加。浓的PAA水溶液本质上是触变性的。

应用

PAA可用于制备纳米羟磷灰石聚丙烯酸（Hap/PAAc）生物复合材料。†PAA的其他潜在应用： 研究聚乙烯醇/PAA共聚物水凝胶中的溶质扩散†，合成聚(N-异丙基丙烯酰胺)-嵌段-PAA共聚物，它对温度和pH刺激都有反应†，制备低聚(甲基丙烯酸甲酯)/PAA嵌段共聚物，用于胶束递送疏水性药物†，以及作为粘合剂的增稠剂。

警示用语：

Danger

危险声明

H318,H335,H410

危险分类

Aquatic Acute 1 - Aquatic Chronic 2 - Eye Dam. 1 - STOT SE 3

靶器官

Respiratory system

储存分类代码

10 - Combustible liquids

WGK

WGK 1

闪点(°F)

212.0 °F - closed cup

闪点(°C)

100 °C - closed cup

个人防护装备

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

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分析证书(COA)

Lot/Batch Number
0000264430
0000264429
0000264429
0000264430
0000294001

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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
Yanxia Wang et al.
International journal of pharmaceutics, 441(1-2), 170-180 (2012-12-15)
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
Daniel L Miller et al.
The Annals of thoracic surgery, 95(3), 1050-1056 (2013-01-22)
Skeletal chest wall reconstruction can be a challenge, depending on the indication, location, and health of the patient; various materials are available. Recently, biomaterials that are remodelable (bovine pericardium patch; Veritas, Synovis Life Technologies Inc, St Paul, MN) or absorbable
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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