[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Bratskaya et al., 2011 - Google Patents

Thiocarbamoyl chitosan: Synthesis, characterization and sorption of Au (III), Pt (IV), and Pd (II)

Bratskaya et al., 2011

Document ID
11207264984821479495
Author
Bratskaya S
Ustinov A
Azarova Y
Pestov A
Publication year
Publication venue
Carbohydrate Polymers

External Links

Snippet

Here we suggest a new method of chitosan sulfur derivatives (thiocarbamoylchitosans, TC- chitosans) synthesis via reaction in eutectic two-component system ammonium rodanide– thiourea that allows significant increase of substitution degrees at the reduced time and …
Continue reading at www.sciencedirect.com (other versions)

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3231—Impregnating or coating; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
    • B01J20/3242—Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
    • B01J20/3244—Non-macromolecular compounds
    • B01J20/3246—Non-macromolecular compounds having a well defined chemical structure
    • B01J20/3248—Non-macromolecular compounds having a well defined chemical structure the functional group or the linking, spacer or anchoring group as a whole comprising at least one type of heteroatom selected from a nitrogen, oxygen or sulfur, these atoms not being part of the carrier as such
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3202—Impregnating or coating; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
    • B01J20/3204—Inorganic carriers, supports or substrates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0009—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid alpha-D-Glucans, e.g. polydextrose, alternan, glycogen; (alpha-1,4)(alpha-1,6)-D-Glucans; (alpha-1,3)(alpha-1,4)-D-Glucans, e.g. isolichenan or nigeran; (alpha-1,4)-D-Glucans; (alpha-1,3)-D-Glucans, e.g. pseudonigeran; Derivatives thereof
    • C08B37/0012—Cyclodextrin [CD], e.g. cycle with 6 units (alpha), with 7 units (beta) and with 8 units (gamma), large-ring cyclodextrin or cycloamylose with 9 units or more; Derivatives thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/32—Impregnating or coating; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3214—Impregnating or coating; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the method for obtaining this coating or impregnating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers

Similar Documents

Publication Publication Date Title
Bratskaya et al. Thiocarbamoyl chitosan: Synthesis, characterization and sorption of Au (III), Pt (IV), and Pd (II)
Petrova et al. Simple synthesis and chelation capacity of N-(2-sulfoethyl) chitosan, a taurine derivative
Monier et al. Ion-imprinted modified chitosan resin for selective removal of Pd (II) ions
Jeon et al. Chemical modification of chitosan and equilibrium study for mercury ion removal
Bratskaya et al. N-(2-(2-pyridyl) ethyl) chitosan: Synthesis, characterization and sorption properties
Yan et al. Enhanced and selective adsorption of copper (II) ions on surface carboxymethylated chitosan hydrogel beads
Monier et al. Adsorption of Cu (II), Cd (II) and Ni (II) ions by cross-linked magnetic chitosan-2-aminopyridine glyoxal Schiff's base
Arrascue et al. Gold sorption on chitosan derivatives
Ahamed et al. Selective extraction of gold (III) from metal chloride mixtures using ethylenediamine N-(2-(1-imidazolyl) ethyl) chitosan ion-imprinted polymer
Guzman et al. Copper sorption by chitosan in the presence of citrate ions: influence of metal speciation on sorption mechanism and uptake capacities
Petrova et al. Selective adsorption of silver (I) ions over copper (II) ions on a sulfoethyl derivative of chitosan
Dong et al. A novel method for amino starch preparation and its adsorption for Cu (II) and Cr (VI)
Silva Filho et al. Immobilization of ethylene sulfide in aminated cellulose for removal of the divalent cations
Hajri et al. Designing of modified ion-imprinted chitosan particles for selective removal of mercury (II) ions
Gavilan et al. Mercury sorption on a thiocarbamoyl derivative of chitosan
Hastuti et al. Modification of chitosan by swelling and crosslinking using epichlorohydrin as heavy metal Cr (VI) adsorbent in batik industry wastes
Gode et al. Sorption of Cr (III) onto chelating b-DAEG–sporopollenin and CEP–sporopollenin resins
Yong et al. Sulfur-containing chitin and chitosan derivatives as trace metal adsorbents: a review
Krishnapriya et al. Synthesis and characterization of a crosslinked chitosan derivative with a complexing agent and its adsorption studies toward metal (II) ions
Liatsou et al. Cu (II) adsorption on 2-thiouracil-modified Luffa cylindrica biochar fibres from artificial and real samples, and competition reactions with U (VI)
Sharma et al. Expeditious preparation of β-cyclodextrin grafted chitosan using microwave radiation for the enhanced palladium adsorption from aqueous waste and an industrial catalyst
Huang et al. Effect of carboxyethylation degree on the adsorption capacity of Cu (II) by N-(2-carboxyethyl) chitosan from squid pens
Alnawmasi Construction of amino-thiol functionalized ion-imprinted chitosan for lead (II) ion removal
Islam et al. Characterization of a novel chelating resin of enhanced hydrophilicity and its analytical utility for preconcentration of trace metal ions
Wang et al. Rice straw modified by click reaction for selective extraction of noble metal ions