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
In-Situ Formation of Microfibrillar Morphology in Polymer Blends
Roman Cermák, Martina Polášková, Jakub Kalus, Jana Výchop?ová, Martin Obadal, May 2007
The work focuses on microfibrillar-phase formation in polymer blends during extrusion through a die with semihyperbolic-converging channel. For these purposes, three polyethylene/polypropylene blends with the mixing ratios (wt./wt.) 80/20, 70/30 and 60/40 were prepared. Final structure and properties of extruded blends were examined using electron microscopy, wide-angle X-ray scattering, differential scanning calorimetry and tensile testing. It is demonstrated that the formation of microfibrillar-phase morphology is achieved in all blends, independent of their mixing ratios. However, the structure and properties of these microfibrillar-phase composites are strongly influenced by mixing parameters.
SMC Consistency Test Methods – Viscosity Methods
Jim Bono, September 2006
This presentationwill look at the study of available viscosity test methods to minimize variation associated with testing equipment. The test methods include the current industry standard HBT viscometers and Brookfield’s new Soft Solids Tester SST2000 which are compared for performance in SMC matrix samples.
Novel Composite Materials for Demanding Automotive Applications
Steve Hardebeck, September 2006
PowerPoint Presentation at ACCE 2006.
New Developments in Powder Priming of SMC
Hamid Kia, September 2006
PowerPoint Presentation at ACCE 2006.
The SMC Consistency Program - A Technique for Data Driven Improvement of Product Quality
Dr. Mike Siwajek, September 2006
PowerPoint Presentation at ACCE 2006.
Beyond Polypropylene - LFRT Materials for Structural Conductive and Specialty Applications
Tim VanAst, September 2006
PowerPoint Presentation at ACCE 2006.
Press Technology for LFT-D Part Production
Manfred Br?mmer, September 2006
PowerPoint Presentation at ACCE 2006.
OEM Quality CFRP Parts
Martin Starkey, September 2006
PowerPoint Presentation at ACCE 2006.
SMC Premium Class A Parts - Innovation in Process Technology
Frank Henning, September 2006
PowerPoint Presentation at ACCE 2006.
Material Selection for Front-End Carriers
Craig Dlugos, September 2006
PowerPoint Presentation at ACCE 2006.
Fiber Length Measurement in LFRT Materials: Using Automated Image Analysis
Jacqueline Ayotte, September 2006
PowerPoint Presentation at ACCE 2006.
Stabilisation of Polymer Matrix Polypropylene in LFT & New Directions
Paul Stassen, September 2006
PowerPoint Presentation at ACCE 2006.
Improving Productivity & Safety with Robotic Trimming
Paul Schuch, September 2006
PowerPoint Presentation at ACCE 2006.
Creep and Fatigue of Long Glass Reinforced Polypropylene Compounds
Peter Foss, September 2006
This paper details the creep and fatigue characteristics of several long glass reinforced polypropylene compounds that have been used in the development of a thermoplastic liftgate. Both the creep and fatigue data show stress levels associated with a composite part should be limited to 30 % of the failure strength at the maximum use temperature. Parts where there is considerable flow and orientation of these composites should limit stress levels in the cross-flow direction to less than 20 % of the failure strength in that direction.
Developing Polymer Nanocomposites for Automotive Applications
Patricia Tibbenham, September 2006
PowerPoint Presentation at ACCE 2006.
Nylon Nanocomposite (nanoSEAL™) for Improved Fuel Permeation Performance
Paul Kennedy, September 2006
PowerPoint Presentation at ACCE 2006.
Carbon Nanotubes: An Additive with Multifunctional Properties & Current Commercial Applications
Andrew Rich, September 2006
PowerPoint Presentation at ACCE 2006.
Advanced Laser Surface Analyzer
Francis Krantz, September 2006
The Advanced Laser Surface Analyzer (ALSA) is the result of continuing development of surface smoothness analysis utilizing reflected laser lines to evaluate the surface smoothness of a part of panel. With the aging of the LORIA surface analyzer system obsolescing the equiptment the need for a replacement using current technology was seen. The ALSA surface analyzer system uses a current computer diode laser solid state laser line control devices a Charge Coupled Device (CCD) for image capturing and a MS Windows style environment for the software creating improvements in resolution speed and ease of use. These improvements were achieved while maintaining an excellent correlation with the surface waviness numbers generated by the LORIA the current standard for measuring long term surface waviness. The Gage Repeatability and Reliability (GR&R) and Correlation studies to validate the system were run utilizing 12 panels and 3 operators. The long term surface waviness of the panels ranged from flat black glass to structurl SMC with a wide range of surface waviness in between. Orange Peel is another aspect of surface quality that can be measured by this system. The values calculated were bases on the area under the intensity curve of the line and were confirmed to correlate to a standard set of DuPoint orange peel standards. The DOI value has been recalculated using the slope of the intensity curve and the width of the line to correlate to a visual image analysis procedure. The new system will give DOI totally independent of the current system and not a function of orange peel. The new MS Windows style software is more user friendly than before and allow the creating and saving summary data from a series of panels.

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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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