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
Fuel Tank Regulations
Andrew Meloeny, June 2018
Regulations can be found in all industries: Automotive, Small Off Road Engine (SORE), Marine, Large Spark, etc. This presentation will focus on fuel tanks for the Small Off Road Engine (SORE) Industry. So what is a Small Off Road Engine (SORE) Application?
Nylon 6.6/9: A Lower Melting Temperature Nylon
Bobby Richards, June 2018
Copolymers of Nylon 6 - Benefits: • Good Gasoline Permeability • Long Term Heat Stability • Great Design Flexibility • Good VOC Behavior. Nylon 669: • Excellent Resistance to Hydraulic Fluid • Higher Wear Resistance • Extruded Monofilament • Much Lower Costs than High Number Nylons.
Polyethylene - Expanding Options for Rotational Molded Products
Sandy Scaccia, June 2018
Why Polyethylene? • It is easy to mold. • It is widely available in rotomolding grades. • It has good physical properties. • Cost – offers a cost competitive solution to end users. • Knowledge and Confidence - molders are very familiar with it. • Market Identification – end users know rotomolding is a Polyethylene based industry and therefore design products to suit the capabilities of the material.
Functional Color Concentrates TekTuff™ Impact Enhancement
John Wood | Edwin Tam, June 2018
Teknor Apex Company Capsule: • Founded 1924 • Privately held company, for long term growth and stability • Fully equity financed • Worldwide production, marketing, sales, R&D • Continuous growth through re-investment of profits • Employing ~2,200 staff • Acquired DSM Sarlink TPVs November 2010 • Acquired Viking Polymers rigid PVC February 2014 • Acquired PTS April 2016
Weathering, UV Rating and Other Testing in the Rotational Molding Market
Gregory Treich | Tom Steele, June 2018
Presentation Outline: • Brief Overview of Solvay • The Need for UV Protection of Plastics • Definition of UV Rating for Rotational Molding • UV Ratings in North America and Europe • Correlating UV Rating with Expected Service Life • Primary Weathering Factors • Correlating Accelerated Testing to Outdoor Exposure • Polymer Testing for UV Rating • Other Considerations for the Rotational Molding Market • Out of Mold Color, Gas Fade, Processing Window, and Cycle Time • Summary
Forces On Threaded Inserts
Steve Harris | Connor Landsverk, June 2018
Threaded Inserts: • “How strong is this insert?” • “What is the Torque Strength of this insert?” • Mechanical bond between insert & substrate • Typically Threaded for secure attachment of bolts and fittings • Failure is dictated by their ultimate function!
Effects of Mixing Methods of Color on Mechanical Properties of Rotationally Molded Parts
Anthony Wagner | Nathan Rader-Edkin, June 2018
Equipment Used: • Medkeff-nye Shuttle PD Rotational Molder • 12”x12”x12” Test Box • Ez-Logger Data Acquisition Tool • Leistritz Twin Screw Extruder • Webco Reduction Grinder • PlasMec High Intensity Mixer • Falling Dart Impact Tester • Tinius-Olsen Universal Tester
New Technology in Design, Materials & Processing
Jon Ratzlaff | Glenn Larkin, June 2018
Outline: • Machine – Persico Electric • Mold – 5 Gallon Water Can • Resins – MDPE & LDPE • Design • Processing • Impact Data • Conclusion
Analysis of Internal Temperature Curves for the Process Control of Complex Parts
Denis Rodrigue, June 2018
Content: • Introduction on rotomolding process control • Data profiles • Curve analysis • Conclusion • Acknowledgements
Powder Quality, Mixing, Colorants, Proper Venting and QC Equipment
Bruce Muller, June 2018
Rotational Molding Topics: • Importance of the powder quality • Proper mixing and polishing powder • Static swirling – the ABC’s • Why colorant selection is critical • Proper venting reduces scrap • Important QC equipment
Process Temperature Control
Patrick J. Calderone, June 2018
Process Management & Control: • Classic Temperature & Control • Temperature Profile & Layer Maturation • Process Management System • Process Temperature Profile via Batch Instrumentation • Process Temperature Control via Non-Contact Instrumentation
The Benefits of Automated Conveying in Rotational Molding Plants
Rob Miller, June 2018
How does craft beer relate to our industry? • Companies have the same equipment, but use it differently based on the products that their customer’s demand. • Both industries are very open and collaborative. People freely share their operational ideas and innovations. • Key characteristics are closely monitored in both industries. • Particle size distribution matters. It causes molding issues in roto, and prevents you from getting your grist into the mash in brewing. • The operational set-ups are dependent on product mix. • Both processes are hot and physically demanding. • Both industries have a limited number of raw materials, and it’s up to the designer to use those to create different and wonderful products. • Both industries have to innovate to succeed.
The Benefits of Automated Conveying in Rotational Molding Plants
Rob Miller, June 2018
How does craft beer relate to our industry? • Companies have the same equipment, but use it differently based on the products that their customer’s demand. • Both industries are very open and collaborative. People freely share their operational ideas and innovations. • Key characteristics are closely monitored in both industries. • Particle size distribution matters. It causes molding issues in roto, and prevents you from getting your grist into the mash in brewing. • The operational set-ups are dependent on product mix. • Both processes are hot and physically demanding. • Both industries have a limited number of raw materials, and it’s up to the designer to use those to create different and wonderful products.  • Both industries have to innovate to succeed.
New Methods Of Metal 3D Printing
Ben arnold, May 2018
Abstract is uploaded
Mechanical Properties Of Reinforced Compounds For Large Format Additive Manufacturing (Lfam)
Rabeh Elleithy, May 2018
This is a technical marketing presentation about "Mechanical Properties of Reinforced Compounds for Large Format Additive Manufacturing (LFAM)"
Best Practices For Design Of Plastic 3D Printed Parts
Ashley Eckhoff, May 2018
When designing plastic parts that are to be 3D printed, the designer must consider certain unique characteristics of the plastic printing process. These characteristics imply that different techniques must be used during design of 3D printed plastic parts than what might be used during design of injection molded plastic parts and design of 3D printed metal parts. This session will discuss some of the unique aspects of designing plastic parts for 3D printing as well as unique aspects of the preparation for printing these parts.
Processing Considerations: Cellulose Nanocrystal Thermoplastic Urethane Filament Production
Jacob Fallon, May 2018
Cellulose nanocrystal (CNC) thermoplastic urethane (TPU) nanocomposites offer a wide range of unique thermal and mechanical properties. This paper focuses on solution mixing and melt processing considerations for producing cellulose nanocrystal (CNC) thermoplastic urethane nanocomposite filaments which can subsequently be printed using a fused filament fabrication (FFF) machine.
Case Study: The Hp Printer That Prints Itself
David Tucker, May 2018
The case study will provide the roadmap as to how HP’s MJF technology will be used to manufacture components for manufacturing. This case study will go through the different phases of the process that enabled 3d Printed content for the next series of MJF 3d Printers. Including the steps of Assessment, Design, Economics, and manufacturing.
Hp Multi Jet Fusion For Manufacturing
David Tucker, May 2018
Multi Jet Fusion is new to the additive manufacturing industry, but the capabilities enable the process to be used in the manufacture of production quality components. This technical session will present a deep dive into the technology and illustrate how it achieves the value proposition and how to unlock value with the technology. Additionally, applications that are enables by Multi Jet Fusion will be discussed.
Dimensional Accuracy And Design Tips For Composite Parts Made By The Fdm Process”
Vittorio Jaker, May 2018
Fiber orientation can create layers with oriented fibers that behave as pseudo-plies, analogous to more conventional continuous fiber or fabric reinforced composites. Warp and distortion of several part geometries produced from carbon fiber composites made on a Stratasys FORTUS 450mc printer are analyzed as a function of the pseudo layup and structures used to fabricate the parts. Practical solutions for mitigating warping and balancing physical properties are proposed.


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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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