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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Recycling
Various topics related to sustainability in plastics, including bio-related, environmental issues, green, recycling, renewal, re-use and sustainability.
Susceptibility of plastified starch to biodegradation
Potato starch plastified with glycerol using a twin-screw extruder under different conditions can vary the susceptibility of the plastic to micro-organisms.
Bio-waste composites: A comparative study of polypropylene compounds reinforced with waste agricultural residue
Importance of natural fiber composites (E3): Environmental friendly ¤ Energy reduction ¤ Economically viable; Classification of Natural Fibers; RheVision®: Agro Waste Bio Composites (Proprietary Line at RheTech Inc.): Goal : To develop a finished commercial product base utilizing agro waste natural fibers.; Materials, Methods, Testing and Results; Conclusions
Trends in Biobased Chemicals
Petrochemical Industry Context: Biobased Feedstocks • Biobased Chemicals Commercial Activities • Case Studies of Commercial Ventures • Conclusions/Forecasts
Packaging Design for Sustainability: Solutionism in Context
Context is the interrelated conditions in which something exists or occurs : environment, setting
PLA Material Processing The Energy-Saving Packaging Solution
PLA Processors: Save 10’s of $ 1,000’s/Year in energy costs; Incur no more capital equipment costs than
running PET (May actually be less depending on fuel type); Receive the inherent benefits of PLA: Renewable resource ▪ Compost-ability ▪ Recyclability; Are Pioneers !! Handling characteristics developed over historical
experience with PLA manufacturer and processors
Biobased Engineering Polymers Overview of Commercial Technology for Automotive
RENEWABLY SOURCED and BIO-BASED define the same thing. It refers to a material that contains carbon originating from a renewable plant source. DuPont™ Renewably Sourced™ materials contain a minimum of 20% renewably sourced ingredients by weight. RENEWABLY SOURCED can include BIODEGRADABLE products that can be broken down by living organisms like bacteria. It also includes durable goods that are designed for long life. Products discussed in this presentation are for high performance durable good type applications.
Understanding textile fractures
The ability of fabrics to withstand tears can be easily predicted and understood in terms of their yarn and thickness.
Loosely-grafted and star-shaped polymethacrylates with epoxide groups
Reactive epoxide groups were incorporated into loosely-grafted or star-shaped copolymers synthesized from glycidyl methacrylate in atom transfer radical polymerization.
Green polylactide blends for durable applications
Modifying polylactide/polycarbonate blends with a poly(butylene succinate-co-L-lactate) compatibilizer improves interfacial adhesion, to achieve high impact strength and heat resistance.
Key factors affecting processing of natural fiber composites
Processing variables must be considered when replacing synthetic with natural fibers in polymer matrix composites.
Synthesis and properties of acrylate hydrogels as stimuli-responsive materials
Intelligent materials prepared from poly(N,N-dimethylaminoethyl methacrylate) and its copolymers have attracted much interest for their thermal and pH-stimuli response.
Chitosan scaffolds for tissue engineering: relationship of structure and properties
Chitosan, a widely used biopolymer, exhibits a close relationship between its structure and properties in solution and in the solid state.
Super-tough poly(lactic acid) blends
Using poly(ethylene octene) grafted with glycidyl methacrylate to modify poly(lactic acid) by reactive blending improves reactive compatibilization and achieves high impact strength.
Antioxidant effects of natural compounds on green composite materials
Naturally-occurring antioxidant compounds can improve the thermal resistance of a bio-composite, increasing the degradation temperature of the material by as much as 130%.
Carbon nanotube/polymer composite preparation with improved mechanical properties
A supercritical carbon dioxide green technique was used to disperse entangled carbon nanotubes and led to improved mechanical properties in a carbon nanotube/polymer composite.
Stronger eco-film for food packaging and medicine
Exfoliating a copolymer poly(hydroxyalkanoate) with an organoclay increases its tensile modulus.
Polyamide 6-wheat straw composites: degradation kinetics
The degradation kinetics of wheat straw fillers and their polyamide 6 composites, an environmentally friendly alternative to polyamide 6, are analyzed for use in the manufacture of industrial parts.
Toward better bone repair
Calcium sulfate particle and whisker composites with polycaprolactone have improved mechanical properties compared with the pure polymer.
Improved properties of hybrid epoxy nanocomposites
Using both halloysite and recycled cellulose fibers as fillers in epoxy composites enhances their thermal stability, mechanical, and fracture properties.
A METHOD FOR THE EVALUATION OF RESPIRATORS IN A NANORICH ENVIRONMENT
Nanostructures have been a topic of great scientific interest for the past several decades for the possibility of their use in enhanced composites. However, the precautions for the safe use of these low bulk density materials are commonly overlooked. The airborne release of these materials, such as carbon nanotubes (CNTs), carbon nanofibers (CNFs) and nanoclays, into the air during compounding is inevitable. In conventional polymer processing these fillers pose a potential threat until they are encapsulated in a polymer matrix. This occurs while transporting or feeding nanostructures into the process. Typically, the operator uses a respirator to avoid inhaling nanostructures into the body that escape engineering controls and it is therefore important to investigate how efficient these respirators are at capturing these airborne materials. To carry out this study, a special device was built to simulate the dynamic breathing process of air inhalation to determine the permeation of nanostructures through various respirators of different safety ratings. This will provide new information concerning the environmental impact of nanostructures in the prevention of exposure to human beings of airborne nanostructures.
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