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Cationization of kappa- and iota-carrageenan - Characterization and properties of amphoteric polysaccharides
(Elsevier, 2015-08)
Commercial kappa- and iota carrageenans were cationized with 3-chloro-2-hydroxypropyltrimethylammonium chloride in aqueous sodium hydroxide solution. For kappa-carrageenan three derivatives with different degrees of ...
Cationização da celulose microcristalina e utilização como floculante para o tratamento de água
(Universidade Federal de Santa MariaBrasilCiências AmbientaisUFSMPrograma de Pós-Graduação em Ciência e Tecnologia AmbientalUFSM Frederico Westphalen, 2022-10-10)
All water intended for human consumption must meet pre-established potability
standards, and must be free from any impurity or pathogenic organism. In view of this,
to guarantee the required potability standards, it is ...
Studies on the cationization of agarose
(Elsevier, 2011-01)
Cationized agaroses with different degrees of substitution (0.04–0.77) were synthesized, employing 3-chloro-2-hydroxypropyltrimethylammonium chloride (CHPTAC). The influence of different reaction parameters on the substitution ...
Cationization of polysaccharides; a path to greener derivatives with many industrial applications
(Elsevier, 2014-01)
Cationic polysaccharides are widely used in diverse areas such as water treatment, papermaking, chemical, food, cosmetic, and petroleum industries. The combination of cationic polysaccharides with anionic polymers can lead ...
Síntese e desempenho da lignina catiônica como floculante para o tratamento de águas residuárias
(Universidade Federal de Santa MariaBrasilCiências AmbientaisUFSMPrograma de Pós-Graduação em Ciência e Tecnologia AmbientalUFSM Frederico Westphalen, 2022-09-22)
The largest source of lignin currently available is the residue from the pulp/paper
manufacturing process. Kraft lignins are weakly anionic, low molecular weight
polymers of limited utility without modification. Cationic ...
Preparação de polímeros catiônicos orgânicos a partir do amido de milho e da fécula de batata para utilização no tratamento de água
(Universidade Federal de Santa MariaBrasilCiências AmbientaisUFSMPrograma de Pós-Graduação em Ciência e Tecnologia AmbientalUFSM Frederico Westphalen, 2021-11-16)
This work consists in transforming corn starch and potato starch into organic cationic polymers by means of the cationization process and to evaluate its performance as a new cationic flocculant for use in water treatment, ...
Propiedades fisicoquímicas de almidones catiónicos elaborados por extrusión
(2008-10-20)
RESUMEN: En la presente investigación fueron elaborados almidones catiónicos empleando un extrusor de tornillo simple y dos reactivos catiónicos: cloruro de 2,3-epoxipropiltrimetril amonio (EPTAC) y 3-cloro-2-hidroxiprop ...
Modificaciones catiónicas de nanocristales de celulosa aplicadas como floculantes al tratamiento de aguas
(Universidad Pedagógica y Tecnológica de ColombiaFacultad de Ciencias. Escuela de Posgrados. Maestría en Química, 2017)
Cellulose is the most abundant biopolymer on earth. The different cellulosic materials have been replaced by polymers derived from petroleum, offering a natural and sustainable alternative. Among them, the cellulose ...