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- Lignosulfonates abstract "Lignosulfonates, or sulfonated lignin, (CAS number 8062-15-5) 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. The electrophilic carbocations produced during ether cleavage react with bisulfite ions (HSO3−) to give sulfonates. R-O-R' + H+ → R+ + R'OHR+ + HSO3− → R-SO3HThe primary site for ether cleavage is the α-carbon (carbon atom attached to the aromatic ring) of the propyl (linear three carbon) side chain. The following structures do not specify the structure since lignin and its derivatives are complex mixtures: the purpose is to give a general idea of the structure of lignosulfonates. The groups R1 and R2 can be a wide variety of groups found in the structure of lignin. Sulfonation occurs on the side chains, not on the aromatic rings, like in p-toluenesulfonic acid.Lignosulfonate have very broad ranges of molecular mass (they are very polydisperse). A range of from 1000–140,000 da has been reported for softwood lignosulfonates with lower values reported for hardwoods.".
- Lignosulfonates thumbnail Ligninsulfonate_Formation_V2.svg?width=300.
- Lignosulfonates wikiPageID "3049349".
- Lignosulfonates wikiPageLength "6585".
- Lignosulfonates wikiPageOutDegree "49".
- Lignosulfonates wikiPageRevisionID "680208059".
- Lignosulfonates wikiPageWikiLink Atomic_mass_unit.
- Lignosulfonates wikiPageWikiLink CAS_Registry_Number.
- Lignosulfonates wikiPageWikiLink Calcium_chloride.
- Lignosulfonates wikiPageWikiLink Calcium_hydroxide.
- Lignosulfonates wikiPageWikiLink Carbocation.
- Lignosulfonates wikiPageWikiLink Carbon_black.
- Lignosulfonates wikiPageWikiLink Category:Organic_polymers.
- Lignosulfonates wikiPageWikiLink Category:Papermaking.
- Lignosulfonates wikiPageWikiLink Category:Petroleum_production.
- Lignosulfonates wikiPageWikiLink Category:Polyelectrolytes.
- Lignosulfonates wikiPageWikiLink Cement.
- Lignosulfonates wikiPageWikiLink Cement_mill.
- Lignosulfonates wikiPageWikiLink Concrete.
- Lignosulfonates wikiPageWikiLink Dimethyl_sulfide.
- Lignosulfonates wikiPageWikiLink Dimethyl_sulfoxide.
- Lignosulfonates wikiPageWikiLink Dispersity.
- Lignosulfonates wikiPageWikiLink Drilling_fluid.
- Lignosulfonates wikiPageWikiLink Drywall.
- Lignosulfonates wikiPageWikiLink Dye.
- Lignosulfonates wikiPageWikiLink Electrophile.
- Lignosulfonates wikiPageWikiLink Ether.
- Lignosulfonates wikiPageWikiLink Flocculation.
- Lignosulfonates wikiPageWikiLink Leather.
- Lignosulfonates wikiPageWikiLink Lignin.
- Lignosulfonates wikiPageWikiLink Methyl_group.
- Lignosulfonates wikiPageWikiLink Molecular_mass.
- Lignosulfonates wikiPageWikiLink Nitrogen_dioxide.
- Lignosulfonates wikiPageWikiLink Oil_well.
- Lignosulfonates wikiPageWikiLink P-Toluenesulfonic_acid.
- Lignosulfonates wikiPageWikiLink Pesticide.
- Lignosulfonates wikiPageWikiLink Plasticizer.
- Lignosulfonates wikiPageWikiLink Polyelectrolyte.
- Lignosulfonates wikiPageWikiLink Polymer.
- Lignosulfonates wikiPageWikiLink Propyl.
- Lignosulfonates wikiPageWikiLink Pulp_(paper).
- Lignosulfonates wikiPageWikiLink Quebracho_tree.
- Lignosulfonates wikiPageWikiLink Rawmill.
- Lignosulfonates wikiPageWikiLink Redox.
- Lignosulfonates wikiPageWikiLink Softwood.
- Lignosulfonates wikiPageWikiLink Solvent.
- Lignosulfonates wikiPageWikiLink Stucco.
- Lignosulfonates wikiPageWikiLink Sulfide.
- Lignosulfonates wikiPageWikiLink Sulfite_process.
- Lignosulfonates wikiPageWikiLink Sulfur.
- Lignosulfonates wikiPageWikiLink Tannic_acid.
- Lignosulfonates wikiPageWikiLink Tanning.
- Lignosulfonates wikiPageWikiLink Vanillin.
- Lignosulfonates wikiPageWikiLink Viscosity.
- Lignosulfonates wikiPageWikiLink File:Ligninsulfonate_Formation_V2.svg.
- Lignosulfonates wikiPageWikiLinkText "Lignosulfonates".
- Lignosulfonates wikiPageWikiLinkText "lignosulfates".
- Lignosulfonates wikiPageWikiLinkText "lignosulfonates".
- Lignosulfonates wikiPageWikiLinkText "lignosuphonate".
- Lignosulfonates wikiPageUsesTemplate Template:Paper.
- Lignosulfonates wikiPageUsesTemplate Template:Reflist.
- Lignosulfonates subject Category:Organic_polymers.
- Lignosulfonates subject Category:Papermaking.
- Lignosulfonates subject Category:Petroleum_production.
- Lignosulfonates subject Category:Polyelectrolytes.
- Lignosulfonates hypernym Polymers.
- Lignosulfonates type ChemicalCompound.
- Lignosulfonates type Art.
- Lignosulfonates type Electrolyte.
- Lignosulfonates type Polymer.
- Lignosulfonates type Process.
- Lignosulfonates comment "Lignosulfonates, or sulfonated lignin, (CAS number 8062-15-5) 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. The electrophilic carbocations produced during ether cleavage react with bisulfite ions (HSO3−) to give sulfonates.".
- Lignosulfonates label "Lignosulfonates".
- Lignosulfonates sameAs Q417184.
- Lignosulfonates sameAs Ligninsulfonat.
- Lignosulfonates sameAs Ligninsolfonati.
- Lignosulfonates sameAs リグニンスルホン酸.
- Lignosulfonates sameAs Lignosulfonat.
- Lignosulfonates sameAs m.08n2zl.
- Lignosulfonates sameAs Lignosulfonat.
- Lignosulfonates sameAs Q417184.
- Lignosulfonates wasDerivedFrom Lignosulfonates?oldid=680208059.
- Lignosulfonates depiction Ligninsulfonate_Formation_V2.svg.
- Lignosulfonates isPrimaryTopicOf Lignosulfonates.