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  7. Sigma Aldrich Poly(acrylic acid)

Sigma Aldrich Poly(acrylic acid)

Numéro de catalogue. 181285250G
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Numéro de catalogue. Quantity
181285250G 250 g
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Numéro de catalogue. 181285250G Fournisseur Sigma Aldrich Code fournisseur 181285250G
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Description

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

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.Poly (acrylic acid) (PAA)/Poly methyl methacrylate copolymers are used for drug delivery.Other applications may include:to study solute diffusion in Polyvinyl alcohol/PAA copolymer hydrogelsynthesizing poly(N-isopropylacrylamide)-block-PAA copolymer which responds to both temperature and pH stimuliin preparing block copolymer of oligo (methyl methacrylate)/PAA for micellar delivery of hydrophobic drugs as thickening agent for adhesives.

Spécifications

MDL Number MFCD00084394
Quantity 250 g
Molecular Weight (g/mol) 450000