Chemistry and application of emerging ecofriendly antifouling paints : a review / Sampson Kofi Kyei in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 17, N° 2 (03/2020)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 17, N° 2 (03/2020) . - p. 315-332 Titre : Chemistry and application of emerging ecofriendly antifouling paints : a review Type de document : texte imprimé Auteurs : Sampson Kofi Kyei, Auteur ; Godfred Darko, Auteur ; Onyewuchi Akaranta, Auteur Année de publication : 2020 Article en page(s) : p. 315-332 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Biodégradation Chimie écologique Durée de vie (Ingénierie) Noix de cajou et constituants Produits naturels Revêtements antisalissures:Peinture antisalissures Salissures biologiques Tributylétain -- Suppression ou remplacement Index. décimale : 667.9 Revêtements et enduits Résumé : There has been a global concern about the use of tributyltin-based coatings in combating biofouling in the marine industry. Although there have been alternatives to tributyltin in preventing biofouling, the emphasis is now on the use of nontoxic and/or ecofriendly natural materials which do not negatively affect the environment upon application. Natural materials are ecofriendly, biodegradable, cost-effective, and can be employed as precursors in the synthesis and formulation of biodegradable antifouling coatings. Consequently, many researchers are investing time into the synthesis and formulation of natural, ecofriendly antifouling coatings, comprised of higher biofiber, which would perform analogous antifouling like other conventional coatings, thus minimizing the more toxic base polymer proportion. A safe environment is surely the signal of a bright future; hence, cost-effective, biodegradable raw materials result in a long-term attainment of sustainability of these products to replace the expensive conventional ones. This review presents an overview of ecologically friendly, cost-effective, and legally acceptable ways of preventing and mitigating the growth of algae and other marine organisms from settling on the hull of a ship and other static constructions in oilfields. Note de contenu : - BIOFOULING AND CORROSION - BRIEF DETAILS AND PROBLEMS : The biofouling process - Characteristics of biofouling organisms - WHAT ARE ANTIFOULING PAINTS ? : Biocides employed in antifouling systems - Mechanism of ecofriendly antifouling coatings - Natural products as precursors in antifouling paints - BIODEGRADABLE POLYMERS AS MATRICES FOR ANTIFOULING COATINGS : Biodegradable polymers from cashew nut shell liquid - Biodegradable polymers from other sources - BIODEGRADABLE ANTIFOULING PAINTS AS ALTERNATIVES TO TBT COATINGS - SUSTAINABLE BIOBASED PRODUCTS : NEW MATERIALS FOR A NEW ECONOMY DOI : https://doi.org/10.1007/s11998-019-00294-3 En ligne : https://link.springer.com/content/pdf/10.1007/s11998-019-00294-3.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=33984 [article]

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Raw materials for surface coatings from agricultural wastes / Onyewuchi Akaranta in SURFACE COATINGS INTERNATIONAL, Vol. 79, N° 4 (04/1996)

[article]  inSURFACE COATINGS INTERNATIONAL > Vol. 79, N° 4 (04/1996) . - p. 152-154 Titre : Raw materials for surface coatings from agricultural wastes Type de document : texte imprimé Auteurs : Onyewuchi Akaranta, Auteur Année de publication : 1996 Article en page(s) : p. 152-154 Note générale : Bibliogr. Langues : Anglais (eng) Tags : Peinture  'Matière  première'  'Déchet  agricole'  Liant  Pigment  Adjuvant  charge'  'Article  synthèse' Index. décimale : 667.9 Revêtements et enduits Résumé : Surface coatings are materials designed to protect and/or decorate the substrate to which they are applied. Over the years, surface coatings have contained substantial amounts of petrochemicals. Some petro-chemicals such as solvents are used directly in surface coating formulations, while others formed the feedstock for chemical processes which produce such raw materials as film formers and pigments. The recognition that petroleum resources are not infinite makes it imperative to look for alternative sources of raw materials for surface coating materials. The vast quantites agricultural wastes in tropical countries could be a valuable source of raw materials for the surface coating industry. The purpose of this paper is to describe the nature and properties of such raw materials that could be derived from agricultural wastes of vegetable origin. Note de contenu : - FILM FORMERS : furfural - polyhydroxy compounds - pigments - SURFACE COATING ADDITIVES : paint thickeners - pigment dispersing agents - driers - plasticizers - fillers - specialty surface coatings Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17039 [article]

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