Quaternized Xylan and sulfate films (Articolo in rivista)

Type

• Prodotto della ricerca (Classe)
• Articolo in rivista (Classe)

Label

• Quaternized Xylan and sulfate films (Articolo in rivista) (literal)

Anno

• 2014-01-01T00:00:00+01:00 (literal)

Alternative label

• Simkovic I.; Tracz A.; Kelnar I.; Uhliarikova I.; Mendichi R. (2014)
  Quaternized Xylan and sulfate films
  in Carbohydrate polymers
  (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

• Simkovic I.; Tracz A.; Kelnar I.; Uhliarikova I.; Mendichi R. (literal)

Rivista

• Carbohydrate polymers (Rivista)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni

• Mendichi R.; Istituto per lo Studio delle Macromolecole (CNR), Milano, Italy Simkovic I., Uhliarikova I.; Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Slovakia Tracz A.; Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Lodz, Poland Kelnar I.; Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, Prague, Czech Republic (literal)

Titolo

• Quaternized Xylan and sulfate films (literal)

Abstract

• Xylan quaternized sulfate films were prepared from beech xylan (X) and compared with fully sulfated xylan films (XS). When quaternized xylan (QX) was prepared in the first step (DSQ = 0.55), than by sulfation of QX in the second step the fully substituted ampholytic derivative (QXS; DSQ = 0.33; DSS = 1.67) could be obtained. By sulfation in first step, xylan sulphate (SX, DSS = 0.70) was obtained and by subsequent quaternization, SXQ film with DSQ = 0.55 and DSS = 0.33 which contained partially unsubstituted hydroxyls. The molar masses (Mn) of the film's soluble parts were increasing in order X < SX < SXQ < QX < XS < QXS. In all films there were some insoluble particles present as determined by the amount of recovered masses by SEC-MALS. The materials were further characterized by AFM, XRD, TG/DTG/DTA, NMR and mechanical testing. QXS and SXQ could form mechanically more stable films than XS specimens (literal)

Prodotto di

• Catalisi per nuove architetture macromolecolari e sistemi polimerici nanostrutturati e biomimetici (PM.P02.005.003) (Modulo)
• Istituto per lo studio delle macromolecole (ISMAC) (Istituto)

Autore CNR

• RANIERO MENDICHI (Unità di personale esterno)

Incoming links:

Prodotto

• Istituto per lo studio delle macromolecole (ISMAC) (Istituto)
• Catalisi per nuove architetture macromolecolari e sistemi polimerici nanostrutturati e biomimetici (PM.P02.005.003) (Modulo)

Autore CNR di

• RANIERO MENDICHI (Unità di personale esterno)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi

• Carbohydrate polymers (Rivista)