Extrusion

 

Extrusion

Effect of screw speed in compounding of poly(butylene adipate?co?terephthalate)/thermoplastic starch blends and their processability by cast extrusion
25/04/2024 - Blends of bio?polyesters cover a wide percentage of the market share and possess properties comparable to the ones of conventional polymers. Poly(butylene adipate?co?terephthalate) (PBAT) is a...
Enhanced mechanical qualities of sericin?removed silk by direct feeding of silkworms with cellulose nanofiber
10/04/2024 - Production and evaluation of thermoshrinkage of films based on thermoplastic starch and polylactic acid with coupling agent.AbstractStudies on the property of shape memory in thermoplastic starch...
Flexible PLA Copolymers with Low Melt Flow Index for Blown Film Applications
01/04/2024 - Plasticized PLA?polyether block copolymers have proven to be a promising option to expand the application range of PLA?based materials. However, plasticization additionally reduces their melt...
Properties of polylactic acid blends with potato thermoplastic starch using maleated polyethylene as a compatibilizer
28/02/2024 - Schematic diagram of polymer film fabrication process.AbstractIn the present work, we report the effect of low?temperature plasma treatment on thermal, mechanical, and biodegradable properties of...
Kinetic migration of PBS and PBSA biopolymers prepared by cast film extrusion and biaxial stretching: A combined experimental and modeling approach
21/02/2024 - Reactive extrusion of polylactide (PLA)/poly (butylene adipate?co?terephthalate) blends with a high PLA content of 90?wt% enables the production of biodegradable polymeric materials exhibiting...
Influence of the Main Blown Film Extrusion Process Parameters on the Mechanical Properties of a High-Density Polyethylene Hexene Copolymer and Linear Low-Density Polyethylene Butene Copolymer Blend Used for Plastic Bags
09/11/2023 - Polyethylene plastic bags manufactured via blown film extrusion have different quality specifications depending on their intended use. It is known that the mechanical properties of a film depend on...
Exploring the Potential of Roselle Calyx and Sappan Heartwood Extracts as Natural Colorants in Poly(butylene Succinate) for Biodegradable Packaging Films
23/10/2023 - Recently, there has been a growing concern among consumers regarding the safety of packaging products, particularly due to the presence of potentially harmful substances like synthetic pigments and...
Blown film extrusion of poly(lactic)acid/poly(3?hydroxybutyrate?4?hydroxybutyrate) blends for improved toughness and processability
02/08/2023 - Extrusion compounding and film blowing of PLA/P(3HB)(4HB) blendsPoly(lactic acid) is one of the most commonly used bioplastics thanks to its mechanical performance and low environmental impact....
Thermocapillarity in Cross Hybrid Nanofilm Flow Past an Unsteady Stretching Sheet
30/03/2023 - The present work is highly interested in examining the transport phenomena of the thin Cross hybrid nanofluid film flow over a continuously stretching surface. The proposed thin film flow study...
Effect of nanocrystalline cellulose on mechanical, thermal, and barrier properties of polylactic acid blown composite film
09/02/2023 - This study utilized polyethylene glycol (PEG) as a compatibilizer, and prepared nanocrystalline cellulose (NCC) reinforced polylactic acid (PLA) nanocomposite films by blown film extrusion. The...
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...