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40 337 (0,116s)

Výsledek výzkumu

Properties in Aqueous Solution of Homo- and Copolymers of Vinylphosphonic Acid Derivatives Obtained by UV-Curing

for poly(vinylphosphonic acid) and in the range from 12,700 to 19,120 g/molVinylphosphonic acid is homopolymerized with dimethylvinylphosphonate%). The molar ratio between vinylphosphonic aci...

Polymer science

  • 2017
  • Jimp
  • Odkaz
Výsledek výzkumu

Ion exchange membranes based on vinylphosphonic acid-co-acrylonitrile copolymers for fuel cells

Poly(vinylphosphonic acid-co-acrylonitrile) with various concentrations of vinylphosphonic acid polymer units were prepared by free radical solution polymerization with phosphonic acid group swell...

CD - Makromolekulární chemie

  • 2015
  • Jx
  • Odkaz
Výsledek výzkumu

Poly(alkylene-H-phosphonate)s obtained by direct esterification and oxidation of hypophosphorous acid with ethylene glycol

This paper presents for the first time the synthesis of poly(alkylene-H-phosphonate)s by one-pot tandem reaction of hypophosphorous acid and ethylene glycol. Zirconium oxychloride was used as esterification catalyst, Nickel viny...

Polymer science

  • 2016
  • Jimp
  • Odkaz
Výsledek výzkumu

Preparation and characterization of ion exchange membranes for fuel cells

The aim of this work was the preparation of new chemically stable, cheap and easily processable ion-exchange membranes for fuel cells. A series of vinylphosphonic acid copolymers with various contents of phosphonic acid uni...

CD - Makromolekulární chemie

  • 2008
  • D
Výsledek výzkumu

An efficient oxa-Michael addition to diethyl vinylphosphonate under mild reaction conditions

An oxa-Michael addition of various secondary and branched primary alcohols to diethyl vinylphosphonate was studied and optimized. This efficient method precedes using of harsh reaction conditions and gains access to an important class of bio...

CC - Organická chemie

  • 2012
  • Jx
  • Odkaz
Výsledek výzkumu

Vinylphosphonate-based cyclic dinucleotides enhance STING-mediated cancer immunotherapy

vinylphosphonate based on a STING-affinity screening assay. In vitro, acyloxymethyl phosphate/phosphonate prodrugs of these vinylphosphonate CDNs were up to 1000-fold more potent than of vinylphosphonate CDNs but also open...

Medicinal chemistry

  • 2023
  • Jimp
  • Odkaz
Výsledek výzkumu

Evaluation of poly(3-hydroxybutyrate)/poly(L-lactic acid) miscibility by thermal methods

Evaluation of poly(3-hydroxybutyrate)/poly(L-lactic acid) miscibility by thermal methods...

CD - Makromolekulární chemie

  • 2008
  • D
Výsledek výzkumu

Poly(amino acids) and ester-amide copolymers: Tailor-made biodegradable polymers.

Synthesis and properties of biodegradable polymers based on alpha-amino acid and alpha hydroxy acid monomers are reviewed. The relationships between the structure of poly(amino acid)s and the rate and specificity o...

CC - Organická chemie

  • 2001
  • C
Výsledek výzkumu

How strong are strong poly(sulfonic acids)? An example of the poly(2-acrylamido-2-methyl-1-propanesulfonic acid)

Despite the significant interest in poly(sulfonic acids) as proton conductors and acid catalysts, their dissociation behavior is poorly studied. The influence of the polyelectrolyte effect on the dissociation of the strong ...

CF - Fyzikální chemie a teoretická chemie

  • 2016
  • Jx
  • Odkaz
Výsledek výzkumu

Versatile synthesis of comb-shaped poly(lactic acid) copolymers with poly(acrylic acid)-based backbones and carboxylic acid end groups

This paper focuses on preparing and characterizing nonlinear, highly carboxylic-functionalized poly(lactic acid) copolymer prepared through a reaction between poly(acrylic acid) and lactic acid. The result...

Polymer science

  • 2017
  • Jimp
  • Odkaz
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