323667 Aldrich

Poly(acrylic acid)


Frequently Asked Questions

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100, 250 g in poly bottle

5 g in glass bottle


Applications of PAA may include:
• to study solute diffusion in Polyvinyl alcohol/PAA copolymer hydrogel1
• synthesizing poly(N-isopropylacrylamide)-block-PAA copolymer which responds to both temperature and pH stimuli2
• in preparing block copolymer of oligo (methyl methacrylate)/PAA for micellar delivery of hydrophobic drugs3
• as thickening agent for adhesives.

General description

Poly (acrylic acid) (PAA) is hygroscopic, brittle and colorless in nature with Tg at nearly 106oC. At temperatures above 200 to 250oC, it loses water and becomes an insoluble crosslinked polymer anhydride. Solubility of dried PAA in water increases with rise in temperatures. Concentrated solutions of PAA in water is thixotropic in nature.

Price and Availability

Additional Products to Explore

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anhydrous, contains 180-200 ppm MEHQ as inhibitor, 99%

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average Mw ~5,100 by GPC, powder

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average Mw ~100,000, 35 wt. % in H2O

Poly(vinyl alcohol)

Mw 89,000-98,000, 99+% hydrolyzed

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