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Technology Report

321 to 340 from 432 News

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  • 09-18-2009

    Improved Wear Protection

    A newly developed hardmetal (metal carbide) coating for plasticating screws is characterized by toughness and good adhesion. The durable coating extends the service life of the screw considerably.   more

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  • 08-31-2009

    Ultrasonic Sealing

    Ultrasonic sealing is characterized by tight, narrow seams and high efficiency in terms of energy usage. It thus represents a reliable and economical alternative to typical contact heat sealing.   more

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  • 08-17-2009

    Latent Hardener for Rotor Manufacturing

    New epoxy resin systems exhibit a long processing phase in combination with a short hardening (curing) time. They are especially well-suited for the very large rotor blades used on wind turbines.   more

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  • 08-04-2009

    Custom Soft Touch Layer

    A newly developed shuttle table mold with two cavities permits freely adjustable thickness of the foam layer in automotive interior trim components. The geometric differences between the two cavities determine the variation in foam thickness.   more

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  • 07-10-2009

    Proteins Indicate Microcracks

    With the aid of fluorescent proteins, it is possible to visualize microscopic cracks in polymer-based materials. In the future, the color change can be used to indicate material damage at an early point in time.   more

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  • 06-29-2009

    Volume Holograms for Mass Applications

    Using a newly developed photopolymer, full-color volume holograms can be produced with high image quality. The holograms are fixed by means of light and require no subsequent thermal or chemical treatment.   more

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  • 06-24-2009

    Self-Healing via UV Light

    Special additives allow scratched PU surfaces to appear new again after exposure to UV radiation. The cross-linking reaction does not require an increase in temperature.   more

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  • 05-25-2009

    Strain Measurement Reveals Fiber Orientation

    With the aid of simple strain measurements, the local fiber orientation in plastic components can be determined. Two different measurement methods are available.   more

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  • 05-04-2009

    Process Control Using In-line Color Measurement

    With the aid of continuous in-line color measurement, the entire extrusion process can be analyzed and optimized. If color variations occur, it is possible to intervene in the process immediately.   more

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  • 04-30-2009

    Coextrusion Makes Transparent Sheet More Economical

    Coextruded SAN and PMMA sheet exhibits high abrasion and UV resistance and can be thermoformed. Compared to sheet made of only PMMA, this translates into cost savings of up to 30%.   more

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  • 04-20-2009

    Adhesive for Polyolefins

    A new adhesive bonds polyolefins without prior surface treatment to both metals and other polyolefins. Its property profile is ideal for inter-material bonding of the increasingly complex hybrid components used in the automotive industry.   more

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  • 04-01-2009

    Microneedles for Biological Sensors

    The deflection of tiny microneedles can be used to determine forces in biological cells. The micrometer-thin surface structures are molded reproducibly by means of microinjection molding.   more

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  • 03-23-2009

    2K-Microinjection Molding

    A new microinjection molding machine minimizes runner volume, since the two injection units are arranged in parallel. Using the new technology, complete assemblies can be produced in a fast production cycle without additional operations.   more

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  • 03-09-2009

    Window Frame without Metal Reinforcement

    In a newly developed window frame profile, strips of glass fiber-reinforced PBT that are embedded during extrusion replace the metal reinforcement. This gives the profiles better insulating properties and makes them up to 60% lighter.   more

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  • 02-23-2009

    Post-Molding Cooling Under Pressure

    When cooling injection molded preforms, there is a risk in the initial cooling phase that the preforms will soften again, because they shrink away from the cooling sleeve. A new compressed-air cooling system forces the preforms tightly against the walls of the cooling sleeves, thus ensuring that they remain round.   more

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  • 01-29-2009

    Foam Parts with a High-Gloss Surface

    The Indumold process permits production of foam parts with a streak-free, high-gloss surface without sink marks.   more

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  • 01-15-2009

    Space-Saving Focusing

    Optical lenses that can change their shape through the use of electroactive polymers can serve as space-saving, powerful and fast object lenses. Camera systems in the consumer, medical and industrial sectors represent future fields of application.   more

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  • 01-05-2009

    Energy-Saving Surface Treatment

    Newly developed gas/air burners can reduce the energy consumption for surface treatment of plastics considerably. In addition, sensitive materials are stressed less by the lower heat input.   more

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  • 12-19-2008

    Better Internal Cooling

    A newly developed cooling system for blown film extrusion increases output and improves film quality.   more

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  • 11-25-2008

    Foams with High-Quality Surfaces

    A new foaming system based on physical blowing agents produces high-quality surfaces around a foam core. The blowing agent is introduced only after a portion of the melt has already been injected. The process can be used on any commercially available injection molding machine.   more

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321 to 340 from 432 News

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