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About: Polyacrylic acid     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : umbel-rc:ChemicalSubstanceType, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingdul:ChemicalObjectchemical substanceChemical compoundyago:WikicatCarboxylicAcidsyago:WikicatCosmeticsChemicalsyago:Abstraction100002137yago:Acid114607521yago:CarboxylicAcid114739360yago:Chemical114806838yago:Compound114818238yago:Electrolyte114847929yago:Material114580897yago:Matter100020827yago:Mixture114586258yago:Part113809207yago:PhysicalEntity100001930yago:Polyelectrolyte114590441yago:Polymer114994328yago:Relation100031921chemical compoundyago:Solution114589223yago:Substance100019613yago:WikicatPolyelectrolytesyago:WikicatPolymersumbel-rc:ChemicalSubstanceType New Facet based on Instances of this Class

Poly(acrylic acid) (PAA; trade name Carbomer) is a polymer with the formula (CH2-CHCO2H)n. It is a derivative of acrylic acid (CH2=CHCO2H). In addition to the homopolymers, a variety of copolymers and crosslinked polymers, and partially deprotonated derivatives thereof are known and of commercial value. In a water solution at neutral pH, PAA is an anionic polymer, i.e., many of the side chains of PAA lose their protons and acquire a negative charge. Partially or wholly deprotonated PAAs are polyelectrolytes, with the ability to absorb and retain water and swell to many times their original volume. These properties – acid-base and water-attracting – are the bases of many applications.