Recently added articles from Polymer Engineering and Science:
Morphology and glass transition of thin polylactic acid films.(Technical report)
Sep 01, 2008; Narladkar, A. ... INTRODUCTION Polymer thin films are widely used in many different applications such as manufacture of electronic devices to the production of paper, in medical applications, and in packging. Because of these numerous applications, there has been significant amount of interest in ...
Electrospinning and alignment of polyaniline-based nanowires and nanotubes.(Technical report)
Sep 01, 2008; Attout, A. ... INTRODUCTION Conducting polymers constitute an attractive class of materials for electronic, magnetic, and optical applications (1), (2). Among them, polyaniline (PANi) has received a lot of attention due to its environmental stability, controllable electrical conductivity, and ...
Properties of new nanocomposite triblock copolymer gels based on expandable graphite.(Technical report)
Sep 01, 2008; Paglicawan, Marissa A. ... INTRODUCTION Numerous studies reported over the past decade have sought to establish the fundamental relationships between morphology and property development in thermoplastic elastomer gels (TPEGs) as explicit functions of copolymer molecular weight, copolymer concentration, ...
Natural rubber nanocomposite reinforced with nano silica.(Technical report)
Sep 01, 2008; Chen, Ying ... INTRODUCTION Natural rubber (NR) with excellent chemical and physical properties has been widely used in various areas (1-3). The raw NR is usually reinforced with antiageing agents (4), (5) and inorganic fillers (6), (7) before it is manufactured to products, as its poor ageing ...
Review: increasing the efficiency of the extrusion process.(Technical report)
Sep 01, 2008; Sikora, Janusz W. ... Increasing the efficiency of the polymer extrusion process consists in the increase of the flow rate of the processed polymer and the energy efficiency of polymer processing extruders and the decrease of the specific energy consumption and the pulsation of the flow rate and polymer ...
Numerical prediction of phase-change heat conduction of injection-molded high density polyethylene thick-walled parts via the enthalpy transforming model with mushy zone.(Technical report)
Sep 01, 2008; Yang, Bin ... INTRODUCTION Transient heat conduction problems involving solidification/melting are usually referred to as the "Stefan problems" or "moving-boundary problems," which were raised by Stefan (1) in his works in relation to the ice formation early in 1891. Heat transfer issues of ...
Microstructure and water vapor transport properties of functionalized carbon nanotube-reinforced dense-segmented polyurethane composite membranes.(Technical report)
Sep 01, 2008; Mondal, S. ... INTRODUCTION Since the discovery of C60 by Kroto in 1985 (1) and its large scale synthesis in 1990 (2), carbon nanotubes (CNT) have attracted considerable attention as reinforcing fillers in polymer matrices (3-5) due to their unique physical and mechanical properties, including ...
Multiscale roughness analysis in injection-molding process.(Technical report)
Sep 01, 2008; Bigerelle, Maxence ... INTRODUCTION In microinjection molding, the quality and topography of the machined surface have a significant impact on the replication capabilities (filling) (1). Particularly, the surface topography of polymer influences adhesion and is correlated to asperities' density (2) ....
A simplified approach to predict part temperature and minimum "safe" cycle time.(Technical report)
Sep 01, 2008; Hioe, Yunior ... INTRODUCTION Injection molding is the most popular process for mass producing plastic parts (1), (2). Several advantages of injection molding are high precision, quick turnaround time, and process flexibility. In today's highly competitive markets, excellent quality and fast ...
In situ compatibilization of maleated thermoplastic starch/polyester melt-blends by reactive extrusion.(Technical report)
Sep 01, 2008; Raquez, Jean-Marie ... INTRODUCTION Plastic packaging is now subjected to strong pressure from environmental and disposal regulations in the design of single-use disposable packaging (1), (2). Obviously, there is a need for the development of environmentally friendly and biodegradable products ...
Chromophore concentration effect on holographic grating formation efficiency in novel azobenzene-functionalized polymers.(Technical report)
Sep 01, 2008; Schab-Balcerzak, Ewa ... INTRODUCTION The possibility of inducing changes of structural and optical properties in chromophore containing polymers, by means of light illumination, has stimulated a considerable research activity during the last decades. Research on photochromic polymers is aimed at ...
Prediction of residual stress and viscoelastic deformation of film insert molded parts.(Technical report)
Sep 01, 2008; Kim, Seong Yun ... INTRODUCTION Film insert injection molding or simply film insert molding (FIM) is a relatively new injection molding technique in which molten polymer is filled into the cavity after a film is attached to one side of the mold walls. More manufacturers are recently using the cost ...
The morphology, mechanical properties, and flammability of aligned electrospun polycarbonate (PC) nanofibers.(Technical report)
Sep 01, 2008; Moon, SungCheal ... INTRODUCTION Electrospinning is a simple and efficient technique for the fabrication of nano-to microscale fibers (1), (2). It has potential application in filters, tissue engineering scaffolds, wound dressings, drug delivery materials, biomimetic materials, composite ...
Uniaxial tensile properties underlying plane-stress rapid fracture resistance in polyethylene.(Technical report)
Sep 01, 2008; Ozbek, Pemra ... INTRODUCTION Polyethylene (PE) grades designed for fuel-gas and water distribution pipe systems are rated primarily on their long-term strength, measured by hydrostatic pressure testing. Thus, ISO 12162 defines a "PE 100" resin as one which, in the form of extruded pipe, can ...