Coextrusion
Mostrando 1-7 de 7 artigos, teses e dissertações.
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1. Effect of added prebiotic (Isomalto-oligosaccharide) and Coating of Beads on the Survival of Microencapsulated Lactobacillus rhamnosus GG
Abstract The study aimed to encapsulate Lactobacillus rhamnosus GG (LGG) with the selected prebiotic, using co-extrusion technology with a poly-L-lysine (PLL) coating and evaluate probiotic survival in simulated gastrointestinal conditions. Selection of ideal prebiotic was conducted using inulin, fructo-oligosaccharide (FOS) and isomalto-oligosaccharide (IMO
Food Sci. Technol. Publicado em: 04/11/2019
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2. Microencapsulation of Lactobacillus acidophilus NCFM incorporated with mannitol and its storage stability in mulberry tea
RESUMO Lactobacillus acidophilus NCFM (L-NCFM) foi microencapsulado pela técnica de coextrusão com manitol. A otimização do material de revestimento, goma de alfarroba (0% a 2%, p / v) e prebiótico, manitol (0% a 5%, p / v) foi testada no tamanho do grânulo e eficiência de microencapsulação. Células L-NCFM microencapsuladas em três formas diferent
Ciênc. agrotec.. Publicado em: 08/08/2019
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3. Application of ashes as filling in reprocessed polypropylene: thermomechanical properties of composites
Abstract The life cycle of a product depends to a great extent on its reuse and ease of recycling. This work had developed of composite materials of reprocessed polypropylene composites with rice husk ash (RHA) and sugarcane bagasse ash (SBA) through the coextrusion and injection processes as main purpose. The polymeric matrix was reprocesed until six gener
Polímeros. Publicado em: 28/03/2019
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4. Properties of barrier shrink bags made with EVOH and polyamide for fresh beef meat preservation
Abstract The objective of this work was to compare the barrier and mechanical properties and shrinkability of coextruded films chlorine-free, with high barrier chlorine multilayer films traditionally used to preserve fresh beef. Four 9-layer barrier-shrink films containing PET, ethylene ionomers, polyamide PA66/6 modified with amorphous PA, 32 or 44 mol% EV
Polímeros. Publicado em: 21/05/2018
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5. LINEAR STABILITY ANALYSIS AND CFD SIMULATION OF DOUBLE-LAYER RAYLEIGH-BÉNARD CONVECTION
Abstract Natural convection in superimposed layers of fluids heated from below is commonly observed in many industrial and natural situations, such as crystal growth, co-extrusion processes and atmospheric flow. The stability analysis of this system reveals a complex dynamic behavior, including the potential multiplicity of stationary states and occurrence o
Braz. J. Chem. Eng.. Publicado em: 2016-09
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6. Caracterização reológica de suspensões concentradas termoplásticas para microfabricação por coextrusão de compósitos piezoelétricos em polietileno de baixa densidade
O processo de microfabricação por coextrusão (MFCX) foi estudado a fim de obter compósitos de zirconato titanato de chumbo (PZT), por meio da fabricação de fibras. O princípio desta técnica é a redução dimensional de um pré-formato cilíndrico formado pelos materiais já nas posições e proporções desejadas ao longo da secção transversal em
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2010
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7. Modelagem e simulação de um escoamento multicamadas no processo de fabricação de filmes planos de poli (etileno tereftalato)
Nmnerical simulations of a multilayer flow has been undertakenin a process for producing Poly (Ethylene Terephtalate) flat films. Viscosity functions are fitted by Bird-Carreau models. The temperature dependence of viscosity follows the Arrhenius equations. The motion equations are solved by POLYFLOW, a Finite ElementMethod program for viscous and viscoelast
Publicado em: 1996