Physical Properties Of Paper
Mostrando 1-12 de 116 artigos, teses e dissertações.
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1. High-barrier and antibacterial films based on PET/SiOx for food packaging applications
Abstract High-barrier and antibacterial materials have potential applications in the field of preservative packaging for fresh meat products. In this paper, UV irradiation and silane coupling agent (KH550) were used to modify the surface of SiOx coating on polyester (PET)/SiOx film to prepare the PET/SiOx/chitosan and PET/SiOx/chitosan-nano-ZnO composite fil
Food Sci. Technol. Publicado em: 2021-09
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2. Lignin-modified road marking paint: weathering aging studies
Abstract The accelerated artificial aging with ultraviolet radiation, viscosity, density, no-pick-up time, flexibility, and abrasion resistance of lignin-modified road marking paint were evaluated. The addition of lignin did not cause significant changes in the physical chemistry, flexibility and no-pick-time test compared to the precursor paint. The additio
REM, Int. Eng. J.. Publicado em: 2021-06
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3. Wood basic density effect of Eucalyptus grandis in the paper making
ABSTRACT The basic density is the main technical property of the wood due to the fact of the easy determination and correlation with the others wood properties. In this article, it was evaluated wood chips from a five-years-old Eucalyptus grandis in three different silvicultural treatments for pulp and paper production. First, a conventional kraft pulping wa
Matéria (Rio J.). Publicado em: 16/09/2019
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4. Investigating the Effect of Curing in the Chloride Diffusion Coefficient of Conventional Concrete
Concrete is the most used material in the construction industry worldwide. Built concrete infrastructure is exposed to specific environments conditions during the asset’s life, which impose chemical and physical actions that may lead to premature deterioration. Poor concrete durability and corrosion of reinforcement bars are the primary cause of structural
Mat. Res.. Publicado em: 16/09/2019
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5. Investigation of dormancy and storage potential of seeds of yellow passion fruit
Resumo: Passiflora actinia Hooker é uma espécie nativa de maracujazeiro, típica da Mata Atlântica e da Mata com Araucária, que apresenta valores econômico (fruto comestível), medicinal (atividades sedativa e ansiolítica), além de ser usada em propagação vegetativa (porta-enxerto para outras espécies de Passiflora). Este trabalho teve por objetivo
J. Seed Sci.. Publicado em: 09/09/2019
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6. Utilização de um sensor de umidade para o Arduino na determinação da curva característica de retenção de água por um sistema poroso
Resumo Neste artigo é apresentada a utilização de um sensor de umidade para o Arduino no levantamento da curva característica de retenção de água por um sistema poroso, tal como, por exemplo, o solo. Essa curva é muito importante nos estudos ligados à caracterização físico-hídrica do meio poroso. Sua determinação possibilita a investigação d
Rev. Bras. Ensino Fís.. Publicado em: 09/09/2019
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7. Field Perception of the Boundary Between Soil and Saprolite by Pedologists and its Differentiation Using Mathematical Models
ABSTRACT Saprolite plays a central role into hydrologic and nutrient cycles. Despite that, saprolite research is scattered and uses heterogeneous, sometimes conflicting, methods and concepts. During field work, it is difficult to assign the boundary between soil and saprolite. This paper aimed to identify the subjacent logic that pedologists use to assign to
Rev. Bras. Ciênc. Solo. Publicado em: 27/06/2019
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8. Technological properties of particleboards produced using mixture of pines and bamboo
RESUMO: Este estudo tem por objetivo avaliar as propriedades tecnológicas de painéis de madeira produzidos com partículas de bambu da espécie Phyllostachysedulis, e do gênero tradicionalmente utilizado pelo setor para a produção dos painéis particulados no Brasil, o Pinus spp. As varas de bambu com três anos de idade foram coletadas em Frei Rogéri
Cienc. Rural. Publicado em: 13/06/2019
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9. Resíduo do processo Kraft (dregs) como matéria-prima alternativa para cerâmica vermelha
Resumo Neste trabalho foi avaliada a utilização de dregs, um resíduo sólido inorgânico proveniente do processo Kraft, como matéria-prima alternativa em cerâmica vermelha. As matérias-primas foram caracterizadas por fluorescência de raios X, difração de raios X, distribuição de tamanho de partículas, análise térmica diferencial e termogravimé
Cerâmica. Publicado em: 2019-01
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10. Simulación computacional de un ensayo Erichsen aplicado a una chapa de acero DC-06
ABSTRACT Nowadays, the use of computer simulation on forming processes as stamping and its variants, is an habitual development activity of big industries, and also it is slowly being introduced in SME (Small and Mediumsize Enterprise). One of the main advantages of it is application lies-in the reduction of costs regarding new projects, products and process
Matéria (Rio J.). Publicado em: 19/07/2018
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11. Kinetic and Thermodynamic Study in Pozzolanic Chemical Systems as an Alternative for Chapelle Test
Important properties in cementitious materials, such as concrete, are related to the presence of additives that influence the rigidity and the physical and chemical resistances. For the evaluation of the additive effectiveness, known as pozzolanic activity, a simple procedure, the Chapelle test, is commonly used, and it essentially consists in a reaction bet
Mat. Res.. Publicado em: 25/06/2018
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12. Preparation and Characterization of Mullite-Alumina Structures Formed "In Situ" from Calcined Alumina and Different Grades of Synthetic Amorphous Silica
The in situ reaction between alumina and silica to obtain mullite (Al6Si4O13) can be significantly affected by using synthetic amorphous silica (SAS) sources instead of crystalline ones (quartz and cristobalite). For instance, SASs promote early mullite formation (below 1300°C) and greater densification during sintering. This paper reports the "in situ" for
Mat. Res.. Publicado em: 12/03/2018