ACID-BASE INTERACTIONS AND THEIR ROLE IN FORECASTING OF POLYMER COMPOSITES ADHESION PROPERTIES

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Abstract

Acid-base properties of wide range of polymers and adhesion systems based on polymers, polymer composites and metals were investigated. Composite materials based on high and low density polyethylenes, ethylene copolymers, other carbochain and heterochain polymers, synthetic rubber and their based on composites, epoxy composites, cured with a wide range of curing agents were used as adhesives. By using the contact angle of test liquids the values of the dispersion, acid-base, acid and base components of the surface free energy were calculated and the acidity parameter was estimated by means of van Oss-Chaudhury-Good and E. Berger methods respectively. Effect of composition on acidity and basicity of polymer composites was shown, and also addressed modification in order of adhesion enhancement was studied. Above mentioned parameters were also obtained for a range of metal surfaces, used in adhesion technology. Adhesion properties dependence on reduced acidity parameter, corresponding to absolute difference in acidity parameters of adhesive and adherend, was shown and its mathematical function was suggested. It was shown that acidity parameter estimated using E.Berger method gives an opportunity to forecast adhesion interaction in designing of certain coating systems and other adhesion compounds and that it is a good method to estimate adhesion properties of polymer composite-metal compounds.
Lingua originaleEnglish
Titolo della pubblicazione ospiteENCYCLOPEDIA OF POLYMER COMPOSITES: PROPERTIES, PERFORMANCE AND APPLICATIONS
Pagine681-704
Numero di pagine24
Stato di pubblicazionePublished - 2010

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