Results 21 to 30 of about 1,532,171 (223)

A new scale-up/scale-down method for the blown film extrusion [PDF]

open access: yesAIP Conference Proceedings, 2019
The development of innovative film products is a two-step process: New composite films or material recipes are first experimentally tested on a laboratory-scale blown film line, and then the results regarding process conditions and final film properties are transferred to a large-scale production plant.
Neubert, Benedikt   +2 more
openaire   +2 more sources

Transport, mechanical and global migration data of multilayer copolyamide nanocomposite films with different layouts

open access: yesData in Brief, 2017
Transport, mechanical and global migration data concern multilayer food packaging films with different layouts, all incorporating a layered silicate/polyamide nanocomposite as oxygen barrier layer, and a low-density polyethylene (LDPE) as moisture ...
P. Scarfato   +3 more
doaj   +1 more source

The Influence of Biodegradable Food Films on Freshness Indices of Semi-Finished Meat Products [PDF]

open access: yesТехника и технология пищевых производств, 2018
Barrier storage technologies are a promising means of increasing the shelf life of meat products, in particular, food wrap. The authors developed an edible food film with antioxidant and antibacterial properties and tested its efficiency in storage of ...
Nogina A., Tikhonov S., Tikhonova N.
doaj   +1 more source

UNDERSTANDING RHEOLOGY AND TECHNOLOGY OF POLYMER EXTRUSION [PDF]

open access: yes, 2019
Polymer basics. Viscosity and unidirectional melt flows. Shear thinning, viscous dissipation, Generalized Newtonian Fluid, power-law. Viscoelasticity, normal stress differences, elongational viscosity, extrudate (die) swell, stress relaxation and ...
Polychronopoulos, Nickolas D.   +1 more
core   +2 more sources

An experimental study on process-oriented scale-up/scale-down in blown film extrusion [PDF]

open access: yesAIP Conference Proceedings, 2020
The transfer of experimental test results from a small-scale system to a large-scale production system is known as scale-up or, conversely, scale-down. For film-producing companies, scale-up is a common procedure in the development process of new composite films or material recipes, where the main objective is to obtain equal film properties in the ...
Dohm, Christoph   +2 more
openaire   +3 more sources

Extrusion of low density polyethylene tubular film [PDF]

open access: yes, 1974
Melt capillary flow has been employed to characterise some low density polyethylene grades, differing in degree of an incorporated slip agent (Olemide Commercial).
Baha E. Siddig (7127000)
core   +3 more sources

Expert system for blown film extrusion [PDF]

open access: yes, 1991
Expert systems and blown film extrusion are two subjects to deal with in this thesis. Expert systems are an aspect of artificial intelligence, or a computer\u27s ability to think. The determination of a suitable expert system for particular problem is an
Li, Jiachyi
core   +1 more source

Films of post-consumer polypropylene composites for the support layer in synthetic paper

open access: yesPolímeros, 2006
Composite films were studied as possible candidates for the central or support layer of synthetic paper in a multilayer structure. Recycled post-consumer polypropylene films were reinforced with inorganic fillers at various compositions and under several
Cristiano R. de Santi   +2 more
doaj   +1 more source

Interface analysis of three-layer co-extrusion blown film [PDF]

open access: yesAIP Conference Proceedings, 2019
The three-layer co-extrusion blown film could combine a variety of different characteristics in the extrusion process and significantly decreased cost, therefore this technology is being applied more and more broadly. The flow channel geometry of three-layer co-extrusion blown film die was built and then meshed by ICEM CFD with all-hexahedral elements ...
Ma Xiuqing, Zhai Wenbin, Liu Ming
openaire   +1 more source

Functionalized blown films of plasticized polylactic acid/chitin nanocomposite: Preparation and characterization

open access: yesMaterials & Design, 2016
Bionanocomposite films prepared with melt compounding and film blowing were evaluated for packaging applications. The nanocomposite masterbatch with 75 wt.% polylactic acid (PLA), 5 wt.% chitin nanocrystals (ChNCs) and 20 wt.% glycerol triacetate ...
Natalia Herrera   +8 more
doaj   +1 more source

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