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661740

Sigma-Aldrich

Poly(vinylphosphonic acid)

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Synonym(s):
PVPA, Polyethenylphosphonic acid
Linear Formula:
(C2H5O3P)n
CAS Number:
MDL number:
NACRES:
NA.23

form

powder

Quality Level

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InChI

1S/C2H5O3P/c1-2-6(3,4)5/h2H,1H2,(H2,3,4,5)

InChI key

ZTWTYVWXUKTLCP-UHFFFAOYSA-N

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This Item
363170363073363138
Poly(vinyl alcohol) Mw 13,000-23,000, 87-89% hydrolyzed

Sigma-Aldrich

363170

Poly(vinyl alcohol)

Poly(vinyl alcohol) average Mw 31,000-50,000, 87-89% hydrolyzed

Sigma-Aldrich

363073

Poly(vinyl alcohol)

Poly(vinyl alcohol) Mw 31,000-50,000, 98-99% hydrolyzed

Sigma-Aldrich

363138

Poly(vinyl alcohol)

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

greener alternative product characteristics

-

greener alternative product characteristics

-

greener alternative product characteristics

-

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, Enabling

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-

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

200

General description

Poly(vinylphosphonic acid) (PVPA) is a polymeric diprotic acid, which can be synthesized by free-radical polymerization of VPA. It can also be synthesized by employing vinylphosphonic acid methyl ester as a monomer, followed by saponification.
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Find details here.

Application

Poly(vinylphosphonic) acid is a versatile polyelectrolyte useful in several applications: proton conductor for fuel cells, chemical and biological sensors, biocomposite materials and surface modification and adhesion.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Van Den Brand, J.; Van Gils, S.; BeenTjes, P.C.J.; Terryn, H.; Sivel, V.; de Wit, J.H.W.
Progress in Organic Coatings, 51, 339-350 (2004)
Sevil, F., Bozkurt A.
The Journal of Physical Chemistry, 65, 1659-1662 (2004)
Minghan Ren et al.
Analytical chemistry, 77(9), 2700-2707 (2005-04-30)
We report here a chemical sensor based on detecting the mechanical response of a thin (approximately 10-microm) polymer wire stretched across the two prongs of a wristwatch quartz tuning fork (QTF). When the fork is set to oscillate, the wire
Y E Greish et al.
Biomaterials, 22(8), 807-816 (2001-03-15)
The formation of biocompatible organic-inorganic composites by reactions between tetracalcium phosphate (Ca4(PO4)2O, TetCP) and the biomedical polymer poly(vinyl phosphonic acid) (PVPA) is described. Composites were prepared by hot pressing mixtures of these powders at 80 kpsi and 300 degrees C
Synthesis, microstructure, and acidity of poly (vinylphosphonic acid)
Bingol B, et al.
Macromolecular Rapid Communications, 27(20), 1719-1724 (2006)

Articles

Perfluorosulfonic Acid Membranes for Fuel Cell and Electrolyser Applications

Advances in the electrochemical conversion of water to and from hydrogen and oxygen have principally been achieved through the development of new materials and by understanding the mechanisms of the degradation of proton exchange membrane fuel cells (PEMFC) during operation.

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