Extrusión

Extrusión

Overview of the Cast Polyolefin Film Extrusion Technology for Multi-Layer Packaging Applications
26/01/2023 - The review article presents the technology of producing polyolefin-based films by extrusion casting. Due to the wide use of this type of film as packaging for food and other goods, obtaining films...
Evaluation of Active LDPE Films for Packaging of Fresh Orange Juice
23/12/2022 - Microbial development, enzymatic action, and chemical reactions influence the quality of untreated natural orange juice, compromising its organoleptic characteristics and causing nutritional value...
Effect of Local Heat Pipe Cooling on Throughput Distribution and Thermal Homogeneity in a Binary Melt Pre-Distributor for Polyolefin Extrusion
02/06/2022 - In polymer blown film extrusion, inhomogeneous die temperature distributions lead to an inhomogeneous temperature and cause film thickness variations. To avoid an inhomogeneous film thickness and to...
Blown film extrusion of PBAT/TPS/ZnO nanocomposites for shelf-life extension of meat packaging
- Biodegradable polymers typically have inferior barrier properties compared to petroleum-based nonbiodegradable plastic. The addition of zinc oxide nanoparticles may enhance the functional...
Biodegradable Poly(Butylene Adipate-Co-Terephthalate) and Thermoplastic Starch-Blended TiO2 Nanocomposite Blown Films as Functional Active Packaging of Fresh Fruit
30/11/2021 - Biodegradable polymers can be used for eco-friendly, functional, active packaging to preserve food quality. Incorporation of titanium dioxide (TiO2) nanoparticles into polymer packaging enhances...
Effect of Filler Synergy and Cast Film Extrusion Parameters on Extrudability and Direction-Dependent Conductivity of PVDF/Carbon Nanotube/Carbon Black Composites
15/12/2020 - In the present study, melt-mixed composites based of poly (vinylidene fluoride) (PVDF) and fillers with different aspect ratios (carbon nanotubes (CNTs), carbon black (CB)) and their mixtures in...
Eco?friendly materials produced by blown?film extrusion as potential active food packaging
18/10/2020 - Starch/polyester blends are potential substitutes for non?degradable materials. Active food packaging was produced by the blown?extrusion of starch/poly (butylene adipate?co?terephthalate) (PBAT)...
Increased cooling capacity when using a flexible air guiding system due to the Venturi effect in blown film extrusion
- A flexible air guiding system in blown film extrusion enables a mass throughput increase of more than 60 %. The development encloses the bubble expansion zone and creates a flow gap between the film...
Systematic Investigation on the Structure-Property Relationship in Isotactic Polypropylene Films Processed via Cast Film Extrusion
23/07/2020 - The effect of cast film extrusion processing conditions, such as the chill-roll temperature, temperature of the melt, and line speed, on the structure of different isotactic polypropylene homo- and...
Novel die designs for blown film extrusion involving additive manufacturing
- For years, proven concepts such as spiral mandrel dies for blown film extrusion, have been used in extrusion die design. In the case of complex variants, the design also depends on the...
Combining Thermal Spraying and Magnetron Sputtering for the Development of Ni/Ni-20Cr Thin Film Thermocouples for Plastic Flat Film Extrusion Processes
24/09/2019 - In the digitalization of production, temperature determination is playing an increasingly important role. Thermal spraying and magnetron sputtering were combined for the development of Ni/Ni-20Cr...
Effect of hydrophilic and hydrophobic cyclodextrins on the release of encapsulated allyl isothiocyanate (AITC) and their potential application for plastic film extrusion
29/07/2019 - Allyl isothiocyanate (AITC), a natural pungent flavor from wasabi and horseradish, is well?known antimicrobial agents against foodborne pathogens. However, its highly volatile nature and low thermal...