Effect of transition metal salts on color, gloss and hardness of EB-cured pigmented coatings for polymeric substrates
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2011
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INTERNATIONAL CONFERENCE ON DEVELOPMENT AND APPLICATIONS OF NUCLEAR TECHNOLOGIES
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For the last 30 years, UV/EB radiation has been largely used to cure varnishes, inks,
adhesives and coatings in order to improve productivity, increase product performance and
eliminate hazardous volatile organic compounds (VOCs) [1-2]. Practically, the use of EB
curing is more restricted than UV probably because of an apparently higher complexity and
investment cost [3]. The desired final material is a cured and cross-linked polymer [4], but, in
contrast, thermosetting networks endow excellent thermal and chemical stability, even at
environmental conditions after the product is discharged [5]. An alternative can be
incorporating compounds (i.e. metal transition salts) that can induce, under controlled
conditions, photo-generated holes and electrons that can combine with the surface adsorbed
species (e.g., water and oxygen) to form highly reactive radical species such as hydroxyl
radicals and superoxide anion [6]. So, the aim of this work is to analyze the effects of the
presence of two metallic stearates in EB-cured pigmented coatings formulations by means of
changes on gloss, hardness and color as a function of radiation doses in the studied range.
Como referenciar
BARDI, MARCELO A.G.; MUNHOZ, MARA de M.L.; MACHADO, LUCI D.B. Effect of transition metal salts on color, gloss and hardness of EB-cured pigmented coatings for polymeric substrates. In: DUDALA, JOANNA (ed.); STEGOWSKI, ZDZISLAW (ed.). In: INTERNATIONAL CONFERENCE ON DEVELOPMENT AND APPLICATIONS OF NUCLEAR TECHNOLOGIES, September 11-14, 2011, Krakow, Poland. Abstract... Krakow, Poland: Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, 2011. p. 63-63. Disponível em: http://repositorio.ipen.br/handle/123456789/32941. Acesso em: 28 Sep 2026.
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