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
Preliminary Results in Modeling in-Machine Fiber Breakage during Injection Molding
Hongyu Chen, Mark J. Cieslinski, Donald G. Baird, May 2014
This work is concerned with the effect that the ratio of initial pellet length to screw channel width, or diameter, has on the percent of glass fiber breakage during processing in the screw. Experiments were carried out on a lab-scale single screw extruder. Data has been fit using an exponential decay model with a kinetic decay constant and a critical length value. This empirical model has been tested on glass fiber breakage in another size screw with a diameter 1.66 times larger than that of our single screw extruder and reasonable agreement with the empirical exponential decay model and experimental results are observed. For carbon fiber, similar breakage trends were observed.
Data Driven Decision Making for the Injection Mold Designer
Ken Rumore, May 2014
The science of Tribology is generally known only to certain specialists who focus on its study and the effects on industrial materials. It can drive many decisions that are made daily by the injection mold designer. In many molds there are assemblies that benefit from optimizing a surface, to minimize the effect of wear, which can be the result of one surface coming in moving contact with another. The basics of Tribology are important for all designers to understand because it may improve the longevity, of the assembly, through design or to advise the end user of adequate, required maintenance. Component longevity is the goal, but ultimately cost savings is the outcome, when replacement components and lost man-hours make an assembly unaffordable to maintain and maintenance replacements are required too often. When Tribology knowledge can be used to extend the life of specific components so they will last longer and insure the assembly’s practical life, everyone benefits. This paper will review basic definitions, concepts the designer should have in mind, the effect on industrial materials and verification methods. At the very least, this information will lead to an understanding that additional testing and analysis may be required for verification of product life.
Material Characterization of Natural Fiber — Acrylic Thermoset Composites
Andre Bendo, September 2013
PowerPoint Presentation at Automotive Composites Conference and Exhibition
More Sustainable Non-Woven Fabric Composites for Automotive Using Coir (Coconut) Fibers
Walter Bradley, September 2013
More environmentally friendly composite materials for automotive manufacturing and building construction have been made by substituting coir fibers for the widely used polyester fibers to make non-woven fabric composites of coir fibers and recycled polypropylene fibers that can be compression molded into a wide range of parts or rolled into flat panels. This more environmentally friendly composite has a greater bending stiffness is more resistant to fire less expensive and without the odor problems that accompany many natural fibers.
Compression Molded Bio-Fiber Reinforced High Performance Thermoset Composites for Structural and Semi-Structural Applications
Leonard Fifield, September 2013
Plant-based bio-fibers can reduce the weight of automotive composites if technical hurdles such as the rampant moisture uptake and loss of composite mechanical properties with exposure to moisture can be controlled. Pacific Northwest National Laboratory is developing chemical additives for thermoset resins that enable dramatic reduction in bio-fiber composite moisture uptake and loss of mechanical properties following exposure.
Micro- and Nanocellulose Composites for Automotive Applications
Alper Kiziltas, September 2013
This review of recent work and technical developments by researchers at University of Maine discusses the opportunities challenges innovations and properties of micro- and nanocellulose fiber-filled thermoplastic composites (particularly engineering thermoplastic composites with melting points above 220C) and hydrophobic (polypropylene- and polyethylene-based) polymer composites.
Fluid Assist Injected Molded Parts with FibreTuff - a Natural Fiber Composite
Robert Joyce, September 2013
PowerPoint Presentation at Automotive Composites Conference and Exhibition
Commercial Applications of Bio-Based Polymers in Automotive
Rick Bell, September 2013
PowerPoint Presentation at Automotive Composites Conference and Exhibition
Fire Resistance Cellulosic Fiber-Thermoset Composites
Tri-Dung Ngo, September 2013
This presentation reports an innovative and sustainable approach to fiber surface treatment that improves the fire resistance of cellulosic fiber/ epoxy composites made with flax fiber. This new approach not only retards burning of cellulosic fiber but also produces self-extinguishing cellulosic-fiber composites. The low-cost treatment was carried out in aqueous solutions using non-toxic inorganic chemicals
Additive Manufacturing Research Briefing
Chad Duty, September 2013
This presentation will summarize Oak Ridge National Laboratory’s (ORNL’s) research activities related to additive manufacturing (AM). ORNL’s Manufacturing Demonstration Facility is exploring the use and further development of a wide range of AM technologies with basic research tasks focused on 1) new material development 2) in-situ process monitoring and control and 3) expansion of system capabilities. Use of AM across various industries will be highlighted as well as how ORNL is developing new technology in this space.
Machining Composite: A Collaborative Approach to Application Specific Solutions
Andrew Gilpin, September 2013
This presentation discusses the difficulties that Lockheed Aerospace experienced routing composites for the F-35 fighter and how they overcame those challenges through a collaborative effort.
Recycling of Landfill-Bound Automotive Headliners into Useful Composite Panels
Jean-Jacques (J.J.) Katz, September 2013
This paper describes the recycling of automotive headliner postindustrial waste into useful composite panels. The process relies on granulating the waste blending it with a 100% solids VOC-free MDI isocyanate adhesive and thermally molding the mixture under pressure using atmospheric moisture as the curing agent.
Development of PCM (Prepreg Compression Molding) Technology
Koichi Akiyama, September 2013
PowerPoint Presentation at Automotive Composites Conference and Exhibition
Process and Equipment Breakthroughs in Long-Fiber Injection (LFI) Technology
Paul Condeelis, September 2013
PowerPoint Presentation at Automotive Composites Conference and Exhibition
Rapid Molding of Thermoplastic Composites
Jim Mihalich, September 2013
Rapid Molding of Thermoplastic Composites A crude bench-top setup was used to demonstrate a rapid resin transfer molding (RTM) process to make plaques roughly 25 cm wide 40 cm long and 0.5 cm thick from cyclic polybutylene terephthalate (cPBT). A 14 minute cycle was demonstrated. The cycle time included a 7 minute heating period used to increase the 150C de-molding temperature to the cure temperature of 230C in the forced hot air oven. The plaques demonstrated cure completion and molecular weight build consistent with commercial grades of PBT
Continuing the Development of Reduced Density Composites (SMC) for Automotive Applications
Terrence J. O’Donovan, September 2013
PowerPoint Presentation at Automotive Composites Conference and Exhibition
Hybrid Processes for Thermoplastic Composites
Jim Mihalich, September 2013
PowerPoint Presentation at Automotive Composites Conference and Exhibition
Eco-Friendly Automotive Plastic Seat Design
Dev Barpanda, September 2013
This paper deals with plastic front and rear seat designs that provide more than 20% weight reduction for improved fuel efficiency and lower CO2 emissions. The materials of construction include recyclable plastics and “green” polyurethane foam making this design eco-friendly. Low cycle time reduced part count and assembly time optimized contours for passenger comfort and reduced material consumption lead to cost-competitive design.
Joseph George, September 2013
Glass mat thermoplastic (GMT) composites have been available for many decades. Recent developments in woven-fabric reinforced GMT as well as improved computer simulations have enabled the material to be used in new applications that previously were designed solely in steel. This presentation will focus on utilizing computer simulations and best design practices in order to specify the most appropriate GMT formulation for a given application.
Processing Novel Braided Preforms of Carbon & PPS Thermoplastic Tape for Aviation & Automotive Seat Frames
Bob Newill, September 2013
PowerPoint Presentation at Automotive Composites Conference and Exhibition

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How to reference articles from the SPE Library:

Any article that is cited in another manuscript or other work is required to use the correct reference style. Below is an example of the reference style for SPE articles:

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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