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
Improved Optical Properties of Polycarbonate for Light Guide Applications
Jun-ya Hayakawa, Makoto Egawa, Keisuke Tomita, Masaki Hirono, Matthew Orlando, May 2017
The materials for vehicle light guide rod or liquid crystal display need superior optical and heat resistance properties. In conventional polycarbonate, these properties were improved by adding a general heat stabilizer. A search was made for new additives effective in any other properties. As a result, it was found that heat resistance and optical properties are improved dramatically by adding combinations with specific PAG and additives. The key properties for commercial production are molding retention time and weatherability. Results revealed that both properties were sufficient to use in vehicle light guides. Improvement of optical, heat aging properties, retention molding, and weatherability of the improved polycarbonate was examined.
Development of LDS Polycarbonate and Polyamide Materials for Soldering
Matthew Orlando, Bernard Schrauwen, Tatsuya Kikuchi, May 2017
Laser Direct Structuring (LDS) is a type of Molded Interconnect Device (MID) that uses optimized plastics which are compounded with special pigments. The LDS method is often times used for producing antenna and circuitry components. Aside from thermal stability, common requirements for plastics in these applications are good mechanical strength, dimensional stability, and stable radio frequency properties at operating ranges of high frequencies. Mitsubishi Engineering Plastics currently produces polycarbonate, polybutylene terephthalate, and aromatic polyamides for LDS. Newer polycarbonates and polyamides which are suitable for soldering are being developed at this time as well.
A Revised Approach to Rheological Behaviour and Processing Parameters of Polycarbonate Compound with Dispersion
Jamal Al-Sadi, May 2017
The objective of this work is to study the rheological characteristics of the compound of polycarbonate resins with different melt flow indexes and the affects of the processing parameters PC1 content (30wt%-pph) of MFI (25gm/10mins) and PC2 content (70 wt. %-pph) of MFI (6.5gm/10mins). By understanding the relationship between shear rate and viscosity, it becomes possible to define the viscosity model and exact color shifts. The temperature was varied at three stages (230°C, 255°C and 280°C) to study its effect on rheological characteristics, colour differences (dE*), pigment size distribution and dispersions.
Keratin Bio-Composites with Polysiloxane Thermoplastic Polyurethane
Firoozeh Pourjavaheri, Oliver A.H. Jones, Isaac Martinez Pardo, Frank Sherkat, Arun Gupta, Robert A. Shanks, May 2017
A sustainable resource in the form of chicken feather derived keratin was used to enhance the thermo-mechanical properties of polysiloxane-polyurethane bio-composites. Two methods, solvent–casting–evaporation–compression molding, and solvent–precipitation–evaporation–compression molding were used to create new bio-composites incorporating 20 %·w/w of chicken feather fibers into a polysiloxane-polyurethane matrix and the results were compared. A molecular modeling visualization indicated the possible existence of hydrogen bonding between fibers and polyurethane molecules. The thermo-mechanical properties of both the polysiloxane polymer and feather reinforced bio-composites were assessed using thermogravimetry, dynamic mechanical analysis and stress–strain measurements with hysteresis loops. The dispersion uniformity of the keratin fibers in the plastic matrix was investigated via macro photography. Addition of chicken feather fibers to the polysiloxane matrix was found to decrease the recovery strain and mass loss of the composites (at lower temperatures) but increase the elastic modulus, storage modulus, and char level (at higher temperatures). The results demonstrate that keratin derived from what is currently a waste product from the poultry industry (with significant economic and environmental disposal costs) can improve the thermo-mechanical properties of the tested bio-composites simply and cheaply, with potentially large cost savings and environmental benefits.
Properties and Applications of Polyolefin Elastomers
Seema Karande, February 2018
Mark Demark Memorial Tutorial Lecture Series
Properties and Applications of Thermoplastic Vulcanizates
Craig Smith, February 2018
Mark Demark Memorial Tutorial Lecture Series
Medical Applications of Polyolefins
Ben Poon, February 2018
Mark Demark Memorial Tutorial Lecture Series
PR Resin for Healthcare Applications
Fabian Galindo, February 2018
Mark Demark Memorial Tutorial Lecture Series
Overview of Stabilization Systems for Gamma Irradiated Polyolefins
Rick King, February 2018
Mark Demark Memorial Tutorial Lecture Series
Stabilization Systems for Enabling Polyolefins in Building & Construction Applications
Joseph Fay, February 2018
Mark Demark Memorial Tutorial Lecture Series
Leveraging Technology to Consistently Deliver Industry Leading Performance
Frank Noeltgen, February 2018
Plenary: Industry Trends
Accelerating Sustainability in Petrochemicals
Larry Gros, February 2018
Plenary: Industry Trends
Global Trends and Drivers for Polyolefins Demand
Richard Sleep, February 2018
Plenary: Industry Trends
Polyolefins: Feast and Famine
Robert Bauman, February 2018
Plenary: Industry Trends
Mainstreaming Sustainable Chemistry
Dominique DeBecker, February 2018
Plenary: Industry Trends
"Managing" Regulatory Evaluations of Plastic Additives
David Horst, February 2018
Recent Advances in Additives
Aspects of UV Stabilization for Thick Section Polyehtylene
JungDu Kim, February 2018
Recent Advances in Additives
DiAlkyl HydroxylAmine(DAHA) Anti-Oxidant as a Long Term Heat Stabilizer
Ching Fan Chiu, February 2018
Recent Advances in Additives
Novel Antioxidant Solutions for Polypropylene with Enhanced Colour Performance
Warren Ebenezer, February 2018
Recent Advances in Additives
The Long-Term Stabilization of Polyolefins Demanding Applications
Niall Marshall, February 2018
Recent Advances in Additives

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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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