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Key Documents

523925

Sigma-Aldrich

聚丙烯酸 溶液

average Mw ~100,000, 35 wt. % in H2O

同義詞:

PAA

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About This Item

線性公式:
(C3H4O2)n
CAS號碼:
MDL號碼:
分類程式碼代碼:
12162002
PubChem物質ID:
NACRES:
NA.23

分子量

average Mw ~100,000

濃度

35 wt. % in H2O

密度

1.14 g/mL at 25 °C

SMILES 字串

OC(=O)C=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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一般說明

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。

應用

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。

訊號詞

Danger

危險聲明

危險分類

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

標靶器官

Respiratory system

儲存類別代碼

10 - Combustible liquids

水污染物質分類(WGK)

WGK 1

閃點(°F)

212.0 °F - closed cup

閃點(°C)

100 °C - closed cup

個人防護裝備

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


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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
Kang Zhong et al.
Carbohydrate polymers, 92(2), 1367-1376 (2013-02-13)
Phosphate rock (PHR), a traditional fertilizer, is abundant, but is hard to be utilized by plants. To improve the utilization of PHR, and to integrate water-retaining and controlled-release fertilizers, an agricultural superabsorbent polymer based on sulfonated corn starch/poly (acrylic acid)

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