Appliances - The Expert's View

May 12, 2008 - Compatibilizers for producing nanocomposites, microcomposites and polymer blends and process for obtaining them by Duane B. Priddy (R&D Highlight)

The present invention relates to compatibilizers to be used for obtaining materials called polyolefin nanocomposites, microcomposites and polymer blends, and it includes the process for obtaining such compatibilizers. Such compatibilizers...
May 12, 2008 - Manufacture of transparent conducting film by Duane B. Priddy (R&D Highlight)

The film is manufactured by coating a fluid containing transparent conducting fine particles (ITO) on a substrate, sintering the coat film and irradiating with electromagnetic wave under a pressure so that the density of the coat film...
May 12, 2008 - Weld line characteristics of PC/ABS blend. II. Effect of reactive compatibilizer. by Duane B. Priddy (R&D Highlight)

The effects of reactive compatibilizer and processing temperature on the morphological and the mechanical properties at the weld line of 60/40 (wt/wt) PC and ABS blends were investigated. Amine functionalized styrene/n-Ph...
May 04, 2008 - A simple and efficient route to transparent nanocomposites by Duane B. Priddy (R&D Highlight)

The use of multicomponent solvent systems and multiply functionalized emulsifiers opens a versatile avenue to high-quality nanocomposites. Transfer or particles from an aqueous dispersion directly to hydrophobic solvent, where aggregation...
May 04, 2008 - A three-dimensional microfabrication system for biodegradable polymers with high resolution and biocompatibility by Duane B. Priddy (R&D Highlight)

Biodegradable PLA polymers are already widely used in medicine. While further applications are eagerly awaited, progress has been impeded by a lack of appropriate processing methods. Our group attempted to construct a novel...
May 04, 2008 - Characterization of protein-coated polypropylene films as a novel composite structure for active food packaging application by Duane B. Priddy (R&D Highlight)

Plasticized protein coatings on PP film were prepared and studied for their optical and tensile properties as affected by protein and plasticizer types in order to exploit a novel composite film for food packaging applications. Composite...
May 04, 2008 - Gas barrier plastic body and gas barrier plastic film. by Duane B. Priddy (R&D Highlight)

Films of a plastic resin such as a polyester film for packaging use can be imparted with improved gas barrier property or decreased permeability to gases such as water vapor and oxygen without decreasing pliability or flexibility and...
May 04, 2008 - Injection stretch blow-molded containers for packaging gas-releasing liquid compositions by Duane B. Priddy (R&D Highlight)

The invention relates to an injection stretch blow-molded transparent container, consisting essentially of biaxial oriented PP, which is filled with a gas-releasing liquid. The container has good gas permeability, so it will not blow-up...
May 04, 2008 - Local thermo-oxidative degradation in injection molding by Duane B. Priddy (R&D Highlight)

A loss in part properties and service life is caused by thermal, mechanical, and thermo-oxidative stress during processing of thermoplastic materials. Process related thermal and mechanical stresses are inevitable. However, processing...
May 04, 2008 - Manufacture of flexible and impact-resistant laminates. by Duane B. Priddy (R&D Highlight)

A flexible, impact-resistant laminate comprises a first layer of a flexible material and a second, impact-resistant layer. The impact-resistant layer comprises an impact-resistant material interposed between regions of a closed-cell foam...
May 04, 2008 - Multi-color fiber-plastic composites and systems and methods for their fabrication by Duane B. Priddy (R&D Highlight)

This invention relates to methods and systems for forming composite extrudates including at least a base polymer, a plurality of fibers dispersed in the base polymer, and one or more colorants forming a visible, multi-color pattern, e.g.,...
May 04, 2008 - Optical film and production method thereof. by Duane B. Priddy (R&D Highlight)

An optical film capable of bringing about remarkably high visual effect, decorative effect and the like that cannot be produced, or is difficult to produce, by conventional lens films or prism films, as well as excellent light control...
May 04, 2008 - Polylactic acid films for food packaging applications by Duane B. Priddy (R&D Highlight)

Fresh produce and cut flower packages are prepared from one or more polymer layers, at least one layer comprising a PLA film. Layers that can be adhered to the PLA film are selected from polyolefin and polyester films. The packages have...
May 04, 2008 - Scuff and scratch resistant multilayer structures by Duane B. Priddy (R&D Highlight)

The invention relates to scuff and scratch resistant multilayer structures for use in building and advertising applications comprising a metal layer and a polymeric layer made of a polymeric material, the polymeric material including at...
Apr 29, 2008 - Conducting nanotubes or nanostructures based composites, method of making them and applications by Duane B. Priddy (R&D Highlight)

An electromagnetic interference (EMI) shielding material includes a matrix of a dielectric or partially conducting polymer, such as foamed PS, with carbon nanotubes or other nanostructures dispersed therein in sufficient concentration to...
Apr 29, 2008 - Development of microwave foaming method for phenolic insulation foams by Duane B. Priddy (R&D Highlight)

Many types of foams are used for thermal insulation in building, frozen food industries and LNG containment systems. Low thermal conductivity, low density, and low flammability are required for thermal insulation. Among many foams,...
Apr 29, 2008 - Ethylene-vinyl alcohol resin composition, multilayer structure, and retortable food packaging containers by Duane B. Priddy (R&D Highlight)

A resin composition comprises 50-99 parts EVA(A) having an ethylene content 15-65 mol% and a degree of saponification >95 mol%, 1-50 parts H3PO4 salt (B) which can form a hydrate, and a dispersing agent (C), where the dispersing agent (C)...
Apr 29, 2008 - Insulating panel having a honeycomb core made of a repulpable material and two skins sandwiching the core and process for manufacture thereof by Duane B. Priddy (R&D Highlight)

The insulating panel (A1) comprises a core having a honeycomb structure of a repulpable material, and have the honeycomb structure having an array of cells, and two skins sandwiching the core, and >1 of the two skins having a layer of heat...
Apr 29, 2008 - Morphology and flame-retardancy properties of ternary high-impact polystyrene/elastomer/polystyrene-encapsulated magnesium hydroxide composites by Duane B. Priddy (R&D Highlight)

The effects of elastomer type on the morphology, flammability, and mechanical properties of HIPS encapsulated magnesium hydroxide (MH) were investigated. The ternary composites were characterized by cone calorimetry, mechanical testing,...
Apr 29, 2008 - Process for plating plastic part after overmolding by Duane B. Priddy (R&D Highlight)

A plastic part is provided with decorative metalized surfaces as well as overmolded thermoplastic elastomer grip portions. The plastic part is overmolded with the TPE prior to metalizing the remaining exposed surfaces of the part. A TPE...
Apr 29, 2008 - Quality changes in yogurt during storage in different packaging materials by Duane B. Priddy (R&D Highlight)

The influence of packaging polymers (PP or PS) on the sensory and physicochemical characteristics of flavoured stirred yogurts with either 0% or 4%-fat content was investigated during the 28 days of storage at 4 degC. Regardless of the...
Apr 23, 2008 - Some Unusual Applications of Selective Laser Sintering (SLS) by SpecialChem (Article)

As the range of materials available for use with SLS and their properties are further developed, more applications are emerging, some of which are quite unusual.
Apr 20, 2008 - Bonding technique by surface modification by Duane B. Priddy (R&D Highlight)

The present invention offers a rapid, low cost, and low temperature process for bonding microfluidic devices, which are composed of at least one plastic substrate, and which is based on the surface modification of the substrates composing...
Apr 20, 2008 - Elastic film grade thermoplastic polymer compositions having improved elastic performance by Duane B. Priddy (R&D Highlight)

Present invention provides an improved block copolymer compn. for extruding films having excellent stress relaxation and increased retained tension or load at elevated temps., as well as a film cast from this compn. The compn. is comprised...
Apr 20, 2008 - Food and beverage containers and methods of coating by Duane B. Priddy (R&D Highlight)

Food and beverage containers and methods of coating are provided. The food and beverage containers include a metal substrate that is at least partially coated with a coating composition that includes a water-dispersible resin system and an...
Apr 20, 2008 - Light-diffusing resin composition with advanced mechanical properties by Duane B. Priddy (R&D Highlight)

A light-diffusing resin, comprises: 100 parts of a transparent thermoplastic resin (A) containing a conjugated diene rubber resin; and 0.1 to 20 parts of a light-diffusing agent (B). The matrix resin may be prepared by graft polymerization...
Apr 20, 2008 - Method of manufacturing a colored composite leather by Duane B. Priddy (R&D Highlight)

A method of manufacture of a colored composite leather is disclosed. The composite leather comprises a transparent layer, a colored thin film, a foam layer, and a fabric layer. The method comprises the steps of forming a transparent layer...
Apr 20, 2008 - Thermoplastic elastomers containing organoclays by Duane B. Priddy (R&D Highlight)

A medical container seal comprising a styrene-isobutylene-styrene based thermoplastic elastomer nanocomposite is disclosed which has good processability and more effective barrier properties for oxygen and carbon dioxide transmission.
Apr 20, 2008 - Thermoplastic polymer, process for producing the same, and molded article by Duane B. Priddy (R&D Highlight)

A thermoplastic polymer containing glutaric anhydride units and Tg > 130 degC. is colorless, transparent, good heat resistance, and moldability. Thus, methacrylic acid and Me methacrylate were polymerized and dehydrated for a glutaric...
Apr 20, 2008 - Use of ethoxylated alkylamines for modification of the surface tension of plastics by Duane B. Priddy (R&D Highlight)

The invention relates to the use of ethoxylated alkylamines for modification of surface tension, for example for hydrophilizing and for improvement of wettability, of plastics surfaces.