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.
Kevin Lucero, Marissa Tierno, Richard L. Lehman, Giorgiana Giancola, May 2013
Thermoplastic immiscible polymer blends were prepared from polytrimethylene terephthalate [PTT] and polyamide 6,10 [PA6,10] by melt processing in a Brabender mixer to assess morphology developed between the immiscible domains. PTT and PA6,10 were selected as a pair of engineering polymers with complementary properties and as a blend prepared to significant extent from bio-based precursors. Overall, a 50/50 blend of these polymers has a renewable content of nearly 50%. The overall objective is to develop an engineering blend with good stiffness, strength, and dimensional stability while simultaneously being easy to process. In the present phase of the work, blend homogeneity was studied as a function of mixing time and temperature in the range of t=0-25 minutes and T=240-260 C. Results are presented in terms of torque versus time and temperature curves that are interpreted in terms of domain formation and SEM micrographs are used to define domain size and overall morphology.
Arya Tewatia, Jennifer Lynch, Thomas Nosker, May 2013
PET, PBT and Poly (trimethylene terephthalate) (PTT), of the polyester resin family, potentially compete for the same engineering-grade thermoplastic market. PTT’s crystallization rate relative to those of PET and PBT, suggests its high suitability for injection molding applications. The aim of this work is to produce a viable PTT candidate for engineering structural applications. To this end, fiberglass (FG) reinforcement, a commonly used method of improving polyester properties, is in a one-step novel process blended with PTT at 10%, 15%, 20%, and 30% FG. The mechanical, rheological, thermal and morphological properties of the FG-PTT composite are presented.
A systematic investigation of the superimposed effects in high-shear-rate capillary flow of polystyrene melt yields the polymer's true shear viscosity curve.
Choay Mon Lai, Hj Din Rozman, Guan-Seng Tay, February 2013
The activation energy for synthesizing unsaturated polyester from palm oil using different reactant ratios and catalysts was investigated, along with the solubility and miscibility behavior of the resultant polymer.
Xiang Wang , Guicun Qi, Xiaohong Zhang, Jinliang Qiao, December 2012
Adding ultrafine full-vulcanized powdered rubber substantially increases a thermoplastic's glass transition temperature, due to the restricted motion of plastic chains at the interface layer.
Isaac Cano, Pablo Acuna, Ramon E. Diaz de Leon , Florentino Soriano-Corral, November 2012
Rheological evaluation of relaxation times makes it possible to estimate the occurrence of a crucial switch in phases that determines the final properties of high-impact polystyrene.
Anup K. Ghosh, Sanjukta Bose, Susanta Mitra, Sangita Nandi, November 2012
Dynamic rheology was used to explore how high density polyethylene interacts with different amounts of fumed silica nanofiller, both with and without the addition of a compatibilizer.
Xiuhua Shan, Xiaoyan Wu, Bin Xu, Shuren Liu, Lingwei Meng, Xianzhong Wang, Wanli Kang, October 2012
Modifying polyacrylamides with hydrophobic co-monomers containing aryl and alkyl disubstituted acrylamide improves thickening properties and surface activity at the liquid-air interface.
Alex Aning, Peter Wapperom, Donald Baird, Kevin Ortman, September 2012
Applying a novel continuum model of semi-flexible fibers demonstrates the potential for improved understanding of long glass fiber behavior in an injection-molded disk.
Cihan Uzunpinar, Mirna A. Mosiewici, Maria L. Auad, July 2012
Mechanical and chemical treatment of carbon nanotubes can improve their ability to disperse uniformly in epoxy resins and, as a result, alter the rheological behavior of the composite materials.
Kim McLoughlin Senior Research Engineer, Global Materials Science Braskem
A Resin Supplier’s Perspective on Partnerships for the Circular Economy
About the Speaker
Kim drives technology programs at Braskem to develop advanced polyolefins with improved recyclability and sustainability. As Principal Investigator on a REMADE-funded collaboration, Kim leads a diverse industry-academic team that is developing a process to recycle elastomers as secondary feedstock. Kim has a PhD in Chemical Engineering from Cornell. She is an inventor on more than 25 patents and applications for novel polyolefin technologies. Kim is on the Board of Directors of SPE’s Thermoplastic Materials & Foams Division, where she has served as Education Chair and Councilor.
A Resin Supplier’s Perspective on Partnerships for the Circular Economy
About the Speaker
Gamini has a BS and PhD from Purdue University in Materials Engineering and Sustainability. He joined Penn State as a Post Doctorate Scholar in 2020 prior to his professorship appointment. He works closely with PA plastics manufacturers to implement sustainability programs in their plants.
A Resin Supplier’s Perspective on Partnerships for the Circular Economy
About the Speaker
Tom Giovannetti holds a Degree in Mechanical Engineering from The University of Tulsa and for the last 26 years has worked for Chevron Phillips Chemical Company. Tom started his plastics career by designing various injection molded products for the chemical industry including explosion proof plugs and receptacles, panel boards and detonation arrestors for 24 inch pipelines. Tom also holds a patent for design of a polyphenylene sulfide sleeve in a nylon coolant cross-over of an air intake manifold and is a Certified Plastic Technologist through the Society of Plastic Engineers. Tom serves on the Oklahoma Section Board as Councilor, is also the past president of the local Oklahoma SPE Section, and as well serves on the SPE Injection Molding Division board.
Joseph Lawrence, Ph.D. Senior Director and Research Professor University of Toledo
A Resin Supplier’s Perspective on Partnerships for the Circular Economy
About the Speaker
Dr. Joseph Lawrence is a Research Professor and Senior Director of the Polymer Institute and the Center for Materials and Sensor Characterization at the University of Toledo. He is a Chemical Engineer by training and after working in the process industry, he has been engaged in polymers and composites research for 18+ years. In the Polymer Institute he leads research on renewably sourced polymers, plastics recycling, and additive manufacturing. He is also the lead investigator of the Polyesters and Barrier Materials Research Consortium funded by industry. Dr. Lawrence has advised 20 graduate students, mentored 8 staff scientists and several undergraduate students. He is a peer reviewer in several journals, has authored 30+ peer-reviewed publications and serves on the board of the Injection Molding Division of SPE.
Matt Hammernik Northeast Account Manager Hasco America
A Resin Supplier’s Perspective on Partnerships for the Circular Economy
About the Speaker
Matt Hammernik serves as Hasco America’s Northeast Area Account Manager covering the states Michigan, Ohio, Indiana, and Kentucky. He started with Hasco America at the beginning of March 2022. Matt started in the Injection Mold Industry roughly 10 years ago as an estimator quoting injection mold base steel, components and machining. He advanced into outside sales and has been serving molders, mold builders and mold makers for about 7 years.
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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, ISBN: 123-0-1234567-8-9, pp. 000-000.
Available: www.4spe.org.
Note: if there are more than three authors you may use the first author's name and et al. EG Brown, H. L. et al.
