Materials

Polyketone makes grade for new high-performance, wear-resistant gear series

By Karen Laird
Published: May 4th, 2015

For almost 45 years, Hans Zipperle Antriebstechnik, based in Renningen, Germany, has specialized in the manufacture of plastic drive components, producing these parts exclusively by means of injection molding. The process enables Zipperle to produce tight-tolerance, precisely engineered products, which, in some cases, are finished using conventional machining processes.

Polymer-based prefilled syringe minimizes drug/container interactions

By PlasticsToday Staff
Published: May 4th, 2015

"Let's rethink glass," says specialty glass and glass ceramics developer Schott (Elmsford, NY) on its website. Sometimes, that revisionist thinking leads to plastics. At Interphex 2015, which was held in New York City on April 26 to 28, the company featured its new polymer prefillable syringe. The TopPac SD is designed to improve the safety and stability of sensitive drugs, according to a company press release.

Natural fiber fabric saves weight in composite structures

By Stephen Moore
Published: May 4th, 2015

A technology based on the concept of leaf-veins can be applied to strengthen synthetic fiber-reinforced composites and reduce overall weight. Based on flax fibers, powerRib fabrics can be used to reinforce thin-walled structures, resulting in a "pseudo mini sandwich," since no core material is involved. The fabrics can readily be processed with standard vacuum molding techniques.

Injection molder introduces green caterware

By Clare Goldsberry
Published: May 1st, 2015

VistaTek LLC, a custom injection molding company headquartered in Stillwater, MN, introduced SelfEco, LLC, an independent company that manufacturers plastics made from plant-based materials. Designed for catering and food service, SelfEco produces affordable caterware, cutlery, and drinkware that is industrial biocompostable.

Aerospace metal-replacement application leads to fewer parts, lower weight and lower costs

By Karen Laird
Published: May 1st, 2015

While fuel housings for aerospace applications are traditionally designed in metal, Egmond Plastics (Alkmaar, Netherlands) has developed a proprietary technology enabling them to be produced from high-performance engineering plastic materials. This technology, called fusible-core technology, allows for undercuts in injection molding.

MHG’s bioplastic earns marine biodegradable certification from Vinçotte

By Karen Laird
Published: April 30th, 2015

In March of this year, the Belgian test, inspection and certification agency Vinçotte International introduced its newest certification scheme for marine biodegradability. Now, the biopolymer company MHG has become the first company to obtain OK biodegradable MARINE Certification from Vinçotte International, verifying this company's claim regarding the biodegradability of its PHA materials in the marine environment. This verification, said MGH, "distinguishes MHG's truly marine biodegradable product from unverified claims by competitors with similar products."

SGL Group adds new fiber-reinforced thermoplastic composite material to organic sheet range

By Karen Laird
Published: April 30th, 2015

SGL Group, a producer of carbon-based products with headquarters in Wiesbaden (Germany) has announced that it is adding organic sheets made from carbon and glass fibers to its portfolio.

Heat-resistant fluorosilicone extends design options for automotive applications

By PlasticsToday Staff
Published: April 30th, 2015

Addressing material requirements for demanding automotive applications that require long-lasting, reliable performance at temperatures exceeding 220°C, Dow Corning has debuted a series of fluorosilicone rubber (FSRs).

Five recent breakthroughs in medical plastics: Fraunhofer

By Norbert Sparrow
Published: April 29th, 2015

Because of their strength combined with their light weight, fiber-reinforced plastics have numerous applications in the automotive and aerospace industries. They also have enormous potential in medical applications, according to the Fraunhofer-Institute for Production Technology IPT (Aachen, Germany).

The institute has developed a micro pullwinding process that enables the mass production of minimally invasive devices, and researchers currently are working on techniques to process thermoplastic fiber composites for the manufacture of customizable devices.

Five recent breakthroughs in medical plastics: Teknor Apex

By Norbert Sparrow
Published: April 29th, 2015

At the Medical Design & Manufacturing event in Anaheim, CA, in February 2015, Teknor Apex (Pawtucket, RI) introduced a rigid PVC that can replace polycarbonate (PC) in clear medical components. PC is prone to cracking, or crazing, which is caused by the migration of plasticizer when it comes in contact with flexible PVC parts. The rigid PVC developed by Teknor Apex reportedly eliminates the stress cracking that may occur at the interface of PC with flexible PVC components, while achieving strength and clarity properties similar to PC.

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