Extrusion


Welcome to the Extrusion section. The latest articles for this section are displayed below:

Recycling peroxide-crosslinked polyethylene

Avraam I. Isayev and Keyuan Huang
21 March 2014
An ultrasonic single screw extruder produces melt-processable decrosslinked high-density polyethylene with good mechanical performance.

Melt temperature consistency during polymer extrusion

Chamil Abeykoon, Peter J. Martin, Kang Li, Adrian L. Kelly, Elaine C. Brown, and Phil D. Coates
18 February 2014
A thermocouple mesh technique measured melt temperature radially across polymer flows, precisely profiling the relationship between melt behavior and processing parameters in polymer extrusion.

Extrusion of foams from engineering plastics using supercritical carbon dioxide

Seda Aktas, Halil Gevgilili, Dilhan Kalyon, Ilknur Küçük, and Aydin Sunol
27 January 2014
A single-screw-extrusion-based foaming process using supercritical carbon dioxide can effectively generate foams of poly(ether imide) at high temperatures while providing excellent control of the foam's properties.

Melting in starve-fed single screw extrusion

Krzysztof Wilczynski, Andrzej Nastaj, Krzysztof J. Wilczynski, and Adrian Lewandowski
30 December 2013
A novel model describes the way in which thermoplastics melt by dissipative and conductive mechanisms, taking metering, melting, and solid conveying into account.

Re-extrusion of wood polymer composites and its effects

Majid TabkhPaz, Amir Hossein Behravesh, Peyman Shahi, and Abbas Zolfaghari
29 November 2013
Reprocessing wood polymer composites may improve their physical and mechanical properties.

Tough polyamide 6/core-shell blends by reactive extrusion

Dongguang Yan, Liang Dong, Jiao Li, and Faliang Luo
21 October 2013
Continuous in situ anionic polymerization of ε-caprolactam in a twin screw extruder produces tough polyamide 6 blends incorporating dispersed domains with a core-shell structure.

Applications and advantages of β-crystalline polypropylene

Philip Jacoby
29 July 2013
A β-nucleation additive makes it possible to obtain novel materials such as microporous films, as well as improve the properties and lower the cost of injection-molded and thermoformed parts.

A vane extruder for polymer processing

Jinping Qu and Shikui Jia
18 June 2013
A novel, non-screw plasticizing processor known as the vane extruder could generate higher stress and dynamical elongational flow in polymers, using groups of vane plasticizing units.

Improved blown film extrusion of biopolymers

Khalid Lamnawar and Abderrahim Maazouz
5 June 2013
Poly(lactic acid) optimized with chain extenders, plasticizers, and nucleating agents forms stable and defect-free films with improved mechanical properties.

Susceptibility of plastified starch to biodegradation

Krzysztof Bajer
16 April 2013
Potato starch plastified with glycerol using a twin-screw extruder under different conditions can vary the susceptibility of the plastic to micro-organisms.