SPE Library


The SPE Library contains thousands of papers, presentations, journal briefs and recorded webinars from the best minds in the Plastics Industry. Spanning almost two decades, this collection of published research and development work in polymer science and plastics technology is a wealth of knowledge and information for anyone involved in plastics.

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Conference Proceedings

PFAS-Free Polymer Processing Aids: Slip Velocity Measurements
Jason Yang, March 2024

Evaluation of PFAS-free polymer processing aids for extrusion applications and wall slip measurements.

An Overview of Structure-Property Relationships in Polyesters
Brian Grady, March 2024

Focus on biodegradable polyesters for flexible films and their production methods.

Sustainable Closed-Loop Recycling Using EPP Foam
Steven Sopher, March 2024

Recycling solutions for lightweight totes and shipping containers using Expanded Polypropylene (EPP) foam.

FDA Guidance on Recycled Plastics in Food Packaging
Roger Pearson, Ph.D., March 2024

An overview of FDA regulations on using recycled plastics in food packaging, focusing on surrogate testing methods.

Comparison of Recycled Glass Fiber Reinforced Polypropylene
Karolin Kreuels, Dr. Peter Helmke, Marcus Meding, Prof. Dr. Reinhard Schiffers, March 2024

Study on CO2e accounting, mechanical properties, and circular economy approaches for glass fiber reinforced polypropylene.

Enhancing Sustainability in Rotational Moulding
Jake Kelly-Walley, Aldo Quaratino, Dr. Dharana Jayawardane, March 2024

Evaluation of stabilization effects on PCR/virgin polyethylene blend performance in rotational molding.

From Data to Action: Optimizing Recycling Strategies for Polypropylene
John Emmanuelle Estela-García, Allen J. Roman, Tim A. Osswald, March 2024

Optimization strategies for polypropylene recycling using mechanical and advanced methods to enhance material properties.

New System to Upcycle Comingled Waste Using Supercritical Water
Paul Boulier, March 2024

A novel system leveraging supercritical water to upcycle polyethylene and polypropylene waste into engineered materials.

Enhancing Sustainability in Rotational Moulding
Jake Kelly-Walley, March 2024

Evaluation of stabilization effects on PCR/virgin polyethylene blend performance in rotational molding.

Fiber-Fiber Interaction in DEM Analysis for Fiber Orientation
Narendra Singh, Ravisankar Mayavaram, Dilipkumar Devpalli, March 2024

Study on fiber-fiber interaction in short fiber reinforced injection molded parts for better material property prediction.

Cycle Time Optimization Through External Cooling
Stephan Kartelmeyer, Finn Welling, Prof. Dr.-Ing. Jaroschek, March 2024

Research on reducing cycle times in rapid tooling via external cooling of mold inserts.

Optimizing Cavity Pressure with Hot Runner Designs
Matthias Scholl, Christian Hopmann, March 2024

Experimental and modeling study on improving cavity pressure regulation using optimized hot runner valve pins.

Thermoplastic Foam Injection Molding for Lightweight Structures
Frank Ehrig, Gion Barandun, Curdin Wick, March 2024

Combining thermoplastic foam molding and continuous fiber tapes for lightweight structural components.

Effect of Melt Viscosity on Residual Fiber Length in LFTs
Masatoshi Kobayashi, Masato Takahashi, Tsutomu Nikami, March 2024

Study of the effect of melt viscosity on fiber length distribution in polyamide 6 composites.

Revisiting the Sustainability of Flame Retardant Ethane Bis(pentabromophenyl): Assessing the Degradation Throughout its Lifecycle
Rajeev Mathur, March 2023

Photolytic and thermal degradation are important processes to the overall sustainability and environmental impact of a flame retardant for a given commercial application. Details on accelerated photolytic aging and recycling studies of ethane bis(pentabromophenyl) (EBP), often called decabromodiphenyl ethane (DBDPE), will be presented.

Effects of Ionizing Irradiation on Mechanical Properties of Polymeric Medical Devices
Md Kamrul Hasan, Ph.D., March 2023

The chemical and physical effects of ionizing radiation on polymeric materials is reviewed with a primary focus on radiation sterilization of disposable medical device materials.

Fundamentals of Foam Sheet Extrusion Using a Tandem Extrusion Line
Mark A. Spalding, John L. Sugden, Gary C. Welsh, March 2023

Tandem foam sheet extrusion is a complex process that requires optimization to produce quality sheet at high rates. The goal of this paper is to describe the process, show how rates can be increased, provide a guideline for sheet quality, and provide case studies.

A Novel Approach to Control Switchover Between Injection and Holding Phase for a Hydraulic Injection Moulding Machine
Rasmus A. Hertz, Jesper K. Christensen, Ole Therkelsen, Søren Kristiansen, Christian-Emil Helver, Frederik A. Hansson, Lasse Schmidt, March 2023
Simulating and Validating the Low Constant Pressure Molding Process, iMFLUX
Jay Shoemaker, Riley Browne, Mason Houtteman, March 2023

A new injection molding processing strategy called iMFLUX is becoming popular. iMFLUX is a low constant pressure process for filling and packing the part. Commercial injection molding simulation software traditionally is not designed for this process. However, you can simulate it. This paper will show how to set up and run simulations using currently available simulation software. Validation work of simulation work is also discussed.

Design for Sustainability — A Case Study with Appearance Nylon
Bruce M. Mulholland, March 2023

Material selection during the design phase can dictate a final part's ability to be recycled or not. This paper looks at an appearance part that transformed three different material solutions into a single material solution such that the final part was now recyclable and produced at lower cost. A look at the technical challenges and solutions to achieve this result is included.








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Brown, H. L. and Jones, D. H. 2016, May.
"Insert title of paper here in quotes,"
ANTEC 2016 - Indianapolis, Indiana, USA May 23-25, 2016. [On-line].
Society of Plastics Engineers
Available: www.4spe.org.

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