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About: Lignosulfonates     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatPolymers, within Data Space : dbpedia.org associated with source document(s)

Type: yago:WikicatOrganicPolymersyago:Abstraction100002137yago:Chemical114806838yago:Compound114818238yago:Electrolyte114847929yago:Material114580897yago:Matter100020827yago:Mixture114586258yago:Part113809207yago:PhysicalEntity100001930yago:Polyelectrolyte114590441yago:Polymer114994328yago:Relation100031921chemical compoundyago:Solution114589223yago:Substance100019613yago:WikicatPolyelectrolytesyago:WikicatPolymers New Facet based on Instances of this Class

Lignosulfonates (LS) are water-soluble anionic polyelectrolyte polymers: they are byproducts from the production of wood pulp using sulfite pulping. Most delignification in sulfite pulping involves acidic cleavage of ether bonds, which connect many of the constituents of lignin. Sulfonated lignin (SL) refers to other forms of lignin by-product, such as those derived from the much more popular Kraft process, that have been processed to add sulfonic acid groups. The two have similar uses and are commonly confused with each other, with SL being much cheaper. LS and SL both appear as free-flowing powders; the former is light brown while the latter is dark brown.