Chitosan as an adhesive

Mati‐Baouche, Narimane; Elchinger, Pierre‐Henri; Baynast, Hélène de; Pierre, Guillaume; Delattre, Cédric; Michaud, Philippe

doi:10.1016/j.eurpolymj.2014.09.008

Cited by 205 publications

(125 citation statements)

References 173 publications

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“…For the 2.0% CH level, the average bond strengths were 1.37 MPa and 1.28 MPa for dry and wet conditions, respectively. The positive effect of CH on the bond strength of blend adhesives was similar to results by Mati-Baouche et al (2014). The wood failure of the samples glued with these adhesives exhibited low values (5% to 12%).…”

Section: Sem Observations Of the Film From The Adhesivessupporting

confidence: 68%

Dry Bond Strength and Water Resistance of Konjac Glucomannan, Chitosan, and Polyvinyl Alcohol Blend Adhesive

Chen¹,

Xia²,

Guo³

et al. 2015

BioResources

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An environmentally-friendly wood adhesive was developed by blending konjac glucomannan (KGM), chitosan (CH), and polyvinyl alcohol (PVA) together. The viscosity of the KGM-CH-PVA (KCP) blend adhesive was determined, and the morphology of the film was observed using scanning electron microscopy (SEM). The KCP blend adhesive was applied to plywood during the manufacturing process, and the effects of the KGM, CH, and PVA contents on the bond strength was investigated. Results showed that KGM greatly increased the viscosity of the KCP blend adhesive, whereas the addition of PVA decreased the viscosity in the test range. The SEM observations showed that the KCP blend adhesive was homogeneous. The bond strength of the plywood that was treated with KCP blend adhesive increased with increasing KGM and CH concentrations, and desirable performance could be obtained with a total solids content of 4.6%. The KCP blend adhesive with 2.0% KGM, 2.0% CH, and 0.6% PVA exhibited a comparable bond strength with phenol formaldehyde. Findings suggest that the KCP blend adhesive can be used as a wood adhesive with all raw materials, having the advantage of being environmentally friendly.

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Section: Sem Observations Of the Film From The Adhesivessupporting

confidence: 68%

Dry Bond Strength and Water Resistance of Konjac Glucomannan, Chitosan, and Polyvinyl Alcohol Blend Adhesive

Chen¹,

Xia²,

Guo³

et al. 2015

BioResources

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“…Deacetylation transforms chitinin a more easily soluble polymer, chitosan, with broad applications. Chitosan is a nontoxic, film-forming, antioxidant, antimicrobial, biocompatible, mucoadhesive polymer, which presents a unique polycationic charge between natural polysaccharides [4], [13], [19], [33].…”

Section: Introductionmentioning

confidence: 99%

Chitosans from Rhizopus stolonifer (strain CBMAI 1551): Characterization and Dense Film Formation

Cardoso

ConceiÃ§Ã£o

Giachini

et al. 2017

JBT

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I S S N 2348-6201 V o l u m e 6 N u m b e r 3 J o u r n a l o f A d v a n c e i n B i o t e c h n o l o g y | ABSTRACTChitosan is a bioactive amino polymer with wide applications. Mainly derived from chitin of marine sources, its traditional production still has some drawbacks such as irregular supply, low quality of product and lack of standardization. Farther, extraction processes are time-consuming with considerable environmental impacts, an extremely non-green process. Many works have shown the possibility of producingnative chitosan from Mucorales fungi, which is more easily extracted. Such process is advantageous due to low costs, process control and great possibility of high quality products. Moreover, the extraction of chitosan is faster and generates less pollutants. In this scenario, the possibility of standardized production allied with facilitated extraction and less probability of toxicological side effects from marine sources are characteristics that motivated this work. A Mucoralesisolate was cultured and the chitosans -native and semi-synthetic -obtained through heterogeneous extraction were compared. Results show substantial differences between them. Those differences are related to the processes required for extraction, yield, productivity, and quality. This work reinforces that Mucorales fungi excel as an alternative for chitosan production.

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“…The chemically modified surface with inorganic or organic molecules is responsible for oxidative stabilization as well as functionalization of particles. The polycationic polymer, chitosan (CS), has recently, become an interesting material due to its non-toxicity, good mechanical properties, biocompatibility, and biodegradability [23]. As a result, CS based magnetic nanoparticles have gained increased attention as a universal carrier for drug delivery and for enzyme immobilization [24,25].…”

Section: Introductionmentioning

confidence: 99%

Ligand fishing using new chitosan based functionalized Androgen Receptor magnetic particles

Marszałł

Sroka

Sikora

et al. 2016

Journal of Pharmaceutical and Biomedical Analysis

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Superparamagnetic nanoparticles with chemically modified chitosan has been proposed as a potential support for the immobilization of the androgen receptor (AR). The study involved comparison of different AR carriers like commercially available magnetic beads coated with silica (BcMag) and chitosan coated nanoparticles with different amount of amino groups. The immobilization was carried out through covalent immobilization of the AR through the terminal amino group or through available carboxylic acids. The initial characterization of the AR coated magnetic beads was carried out with dihydrotestosterone, a known AR ligand. Subsequently, chitosan modified nanporticles with long-distanced primary amino groups (Fe3O4CS-(NH2)3) (upto 8.34 mM/g) were used for further study to isolate known AR ligands (bicalutamide, flutamide, hydroxyflutamide and levonogestrel) from a mixture of tested compounds in ammonium acetate buffer [10 mM, pH 7.4]. The results showed that the selected nanoparticles are a promising semi-quantitative tool for the identification of high affinity compounds to AR and might be of special importance in the identification of novel agonists or antiandrogens.

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Chitosan as an adhesive

Cited by 205 publications

References 173 publications

Dry Bond Strength and Water Resistance of Konjac Glucomannan, Chitosan, and Polyvinyl Alcohol Blend Adhesive

Dry Bond Strength and Water Resistance of Konjac Glucomannan, Chitosan, and Polyvinyl Alcohol Blend Adhesive

Chitosans from Rhizopus stolonifer (strain CBMAI 1551): Characterization and Dense Film Formation

Ligand fishing using new chitosan based functionalized Androgen Receptor magnetic particles

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