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Technology Report Kunststoffe international

Space-Saving Joining Technique
Newly developed transition structures improve the ability to join hybrid parts made from aluminum and carbon fiber reinforced plastics. In addition, they improve the corrosion characteristics of the parts.
20.08.2013 | Read article Read article
Sulfur-Containing Films for Rechargeable Batteries
Microstructured films with a high sulfur content increase the specific capacity of batteries. Researchers have now succeeded in incorporating elemental sulfur into a processable copolymer.
20.08.2013 | Read article Read article
High-Strength Elastic Nanofibers
High-strength fibers made from polyacrylonitrile with a diameter of about 100 nm exhibit surprisingly high elastic properties. It is suspected that amorphous regions within the fibers are probably responsible for this.
01.07.2013 | Read article Read article
Weight Reduction in Foamed Injection Molded Parts
Incorporation of particle foam into injection molded parts reduces part weight even more than other foaming methods. To prevent the foam from collapsing, a thermoplastic shell that is subsequently foamed in the mold is produced first.
01.07.2013 | Read article Read article
Nonvolatile Storage Medium Made from PVDF
Under special processing conditions, PVDF can be converted into a so-called delta phase. Because of its ferroelectric properties and high thermal stability, the material is ideal for permanent storage of data.
01.07.2013 | Read article Read article
Non-Stressing Metal Inserts
In multi-material parts, stress cracking can occur in the region around metal inserts and ultimately cause part failure. To prevent this, a newly patented method proposes encasing the metal insert in an elastic material.
23.04.2013 | Read article Read article
Solid-Borne Sound Sensor Detects Mold Wear
By comparing frequency images, mold wear in injection molds can be detected during production. This permits mold maintenance based on the actual condition.
09.04.2013 | Read article Read article
Printing Directly on the Mold's Surface
Using a newly developed in-mold printing technique, the image is printed directly on the surface of the injection mold and then incorporated into the plastic melt via overmolding from behind (backmolding). A printed part can then be removed from the injection mold.
09.04.2013 | Read article Read article
Recycled PET for Direct Food Contact
A new multi-stage process permits reliable decontamination of recycled PET. Through application of so-called challenge tests, it was possible to verify that the recycled material is suitable for direct contact in food packaging.
26.03.2013 | Read article Read article
Embossing Pipe on the Inside
Identification printed on the inside of pipe laid underground can become illegible over time as the result of exposure to dirt or other chemicals. If, however, the identification is embossed into the surface, it remains legible for a much longer period of time.
29.01.2013 | Read article Read article
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