Injection Molding


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

Flexible insert for microinjection compression molding of polymer microlens arrays

Han-Xiong Huang, Heng Xie, and An-Fu Chen
18 September 2017
A new method of microinjection molding, based on the use of a flexible insert combined with a porous plate, enables the fast and efficient fabrication of polymer microlens arrays with tunable heights.

Rapid fabrication of various molds for polymer lens arrays

Chih-Yuan Chang
22 June 2017
A one-step method enables the fabrication of molds with concave lens array patterns, which can be used for the replication of polymer lens arrays.

Relating mold adhesion problems to heat transfer properties

Daniel Treffer, Alexander Troiss, and Johannes Khinast
22 February 2017
Interfacial temperature instantaneously approaches a certain level depending on thermal effusivities when two bodies are brought into contact, and this level is decisive for adhesion formation.

Effects of tempering on adhesion of liquid silicone rubber to thermoplastics

Christin Baumgart, Volker Altstädt, and Dominik Weiß
20 February 2017
Tempering improves the mechanical properties of liquid silicone rubber, but also decreases its ability to adhere to engineering thermoplastics.

Longitudinal ultrasonic-assisted microinjection molding process for improved mold filling

Shan Gao
9 December 2016
Theoretical calculations and simulations have been created to analyze the mechanism of melt flow and can be used to guide selection of process parameters.

Using physical and simulated data to improve injection molding performance

María G. Villarreal-Marroquín, Po-Hsu Chen, Rachmat Mulyana, José M. Castro, Thomas J. Santner, and Angela M. Dean
7 November 2016
A novel, calibrated-predictor-based optimization methodology is used to identify the best compromises between competing processing conditions.

Influence of injection rate on injection-molded β-nucleated isotactic polypropylene

Zhigao Huang
7 October 2016
Wide-angle x-ray diffraction and differential scanning calorimetry measurements, as well as simulations, were used to investigate the crystallization properties of layered parts.

Effect of molding conditions on properties of injection-molded polylactic acid parts

Felice De Santis, Valentina Volpe, and Roberto Pantani
22 September 2016
A post-molding stage, in which samples are kept at 105°C, is used to produce semi-crystalline samples in much shorter times than through standard injection into a hot mold.

Alleviating mold adhesion during thermoplastic polyurethane injection molding

Jian-Yu Chen and Sheng-Jye Hwang
16 September 2016
Different surface treatment coatings for the core and cavity, which have distinctive morphologies, can be used to effectively reduce adhesion.

Novel microcellular foam injection-molding technology

Atsushi Yusa, Satoshi Yamamoto, Hideto Goto, Hiromasa Uezono, Long Wang, Shota Ishihara, and Masahiro Ohshima
12 September 2016
A simplified process for the production of microcellular foams demonstrates that pressurization of nitrogen or carbon dioxide to a supercritical state is unnecessary.