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Merck
CN

323667

聚丙烯酸

brittle and colorless in nature, Tg 106°C

别名:

PAA

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关于此项目

线性分子式:
(C3H4O2)n
化学文摘社编号:
9003-01-4
UNSPSC Code:
12162002
PubChem Substance ID:
24859410
NACRES:
NA.23
MDL number:
MFCD00084394

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产品名称

聚丙烯酸,

SMILES string

[Na+].[O-]C(=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

mol wt

72.06 g/mol

viscosity

≤2000 cP

transition temp

Tg 106 °C

storage temp.

2-8°C

Quality Level

200

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相关类别

Application

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
  • 。

General description

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。

存储类别

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
0000506063
0000506063
0000504661
0000504660
0000504660

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. What is the appearance of Product 323667, Poly(acrylic acid)?

    This product is a powder or crystalline powder and/or chunks.

  4. What is the polydispersity of Product 323667, Poly(acrylic acid)?

    Unfortunately, polydispersity has not been determined for this product.

  5. What are the end groups of the polymer Poly(acrylic acid), Product 323667?

    Unfortunately, the end groups are not tested for.

  6. What is the tacticity of the polymer Poly(acrylic acid), Product 323667?

    This product is atactic.

  7. What solvents is Poly(acrylic acid), Product 323667, soluble in?

    This product is soluble in dioxane, ethanol, methanol, and water.

  8. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  9. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  10. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

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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
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)
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
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