نتایج جستجو برای: adhesive polymer

تعداد نتایج: 115330  

Journal: :SPE polymers 2023

Abstract Natural oil‐based polyurethanes are prepared through solvent‐less and easily processable approach for adhesive applications. The polyurethane is optimized varying the volume fractions of precursors which was then confirmed different analyses to achieve better combination composite formation with graphene. graphene‐polyurethane composites processed in a simple hand mixing process graphe...

Journal: :Physical review letters 2005
Laetitia Cohen-Tannoudji Emanuel Bertrand Lydie Bressy Cécile Goubault Jean Baudry Jacob Klein Jean-François Joanny Jérôme Bibette

Superparamagnetic particles offer a new way to probe the kinetics of adhesive processes. Two different scenarios of physical adhesion are studied. The thermal activation of van der Waals adhesion is well described by an Arrhenius model. In contrast, it is necessary to go beyond the Arrhenius description to understand the thermal activation of bridging between colloidal particles by a polymer at...

Journal: :Biomaterials science 2015
Silvana Maione Ana M Gil Georgina Fabregat Luis J Del Valle Jordi Triguero Adele Laurent Denis Jacquemin Francesc Estrany Ana I Jiménez David Zanuy Carlos Cativiela Carlos Alemán

Electroactive polymer-peptide conjugates have been synthesized by combining poly(3,4-ethylenedioxythiophene), a polythiophene derivative with outstanding properties, and an Arg-Gly-Asp (RGD)-based peptide in which Gly has been replaced by an exotic amino acid bearing a 3,4-ethylenedioxythiophene ring in the side chain. The incorporation of the peptide at the ends of preformed PEDOT chains has b...

Journal: :Letters on Materials 2022

This work shows the possibility of obtaining hybrid layered metal-polymer composites based on low-carbon steel and aluminum alloys with interlayers basalt fiber reinforced thermoplastic polymer — polyetheretherketone by methods hot cold bonding use curing adhesives, respectively. The adhesive tear shear strength obtained two alternative impact steel-polymer alloy-polymer joints were evaluated. ...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2008
Liliane Léger Costantino Creton

Based on several significant examples, we analyse the adhesion mechanisms at soft polymer interfaces with a special emphasis first on the role of connector molecules, that is, polymer chains bound to the interface and which transmit stress through a stretching and extraction mechanism, and second on the necessary relay that must be taken by additional dissipation mechanisms acting at larger sca...

Journal: :Journal of Photopolymer Science and Technology 1993

Journal: :iranian journal of pharmaceutical research 0

mucosa-adhesive gels can be used as a useful mean of delivering drugs to or via mucosal membranes, and in particular buccal mucosa. carbomers are among the best mucosa-adhesive materials known. the aim of this study was to compare the results obtained from the mucosa-adhesive strength of aqueous gels containing carbomers, either alone or in combination, to the data obtained from assessing the d...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2006
Dapeng Cao Jianzhong Wu

Telechelic polymers are useful for surface protection and stabilization of colloidal dispersions by the formation of polymer brushes. A number of theoretical investigations have been reported on a weak attraction between two telechelic brushes when they are at the classical contact, i.e., when the surface separation is approximately equal to the summation of the brush thicknesses. While recent ...

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