11 Jul 2016

PolyurethaneFrom Wikipedia, the free encyclopediaPolyurethane synthesis, wherein the urethane groups –NH–(C=O)–O– link the molecular units.Polyurethane (PUR and PU) is a polymer composed of organic units joined by carbamate(urethane) links. While most polyurethanes are thermosetting polymers tha...

06 Jun 2016

The improved ball control and stable flight characteristics of the Beau Jeu, but also its water resistance are all thanks to its outer shell. It consists of five layers based on Impranil® polyurethane raw materials from Covestro. -------------------------- Die verbesserte Ballkontrolle und die stabilen Flugeigenschaften, aber auch die hohe Wasserbeständigkeit des Beau Jeu sind vor allem seiner äußeren Hülle zu verdanken. Sie besteht aus fünf Schichten und basiert auf Impranil® Polyurethan-Rohstoffen von Covestro.
If you're driving a nanocar on the open road, things are bound to get sticky.Rice University researchers who developed the first nanocars and colleagues at North Carolina State University found in recent tests that driving their vehicles in ambient conditions -- exposed to open air, rather than a vacuum -- got dicey after a time because the hydrophobic single-molecule cars stuck...

25 Apr 2016

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1. Introduction 1.1. History of polyurethane The discovery of polyurethane [PU] dates back to the year 1937 by Otto Bayer and his coworkers at the laboratories of I.G. Farben in Leverkusen, Germany. The initial works focussed on PU products obtained from aliphatic diisocyanate and diamine forming polyurea, till the interesting properties of PU obtained from an aliphatic diisocyanate and ...

21 Apr 2016

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When Accella Performance Materials began revamping its tire fill business, its plant in Berea, Ohio, was a logical place for investment.“It’s the center of R&D in both the chemistry and the applications and the machinery end of the business,” said Robert Cunningham, the company’s vice president of technology and innovation.This role as center of chemical research and development ...

20 Apr 2016

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Carbon3D, Inc has unveiled the M1, its first commercial 3D printer. The M1 leverages Carbon's breakthrough Continuous Liquid Interface Production (CLIP) technology and engineering-grade materials to deliver on the promise of 3D printing. While traditional approaches to additive manufacturing make trade-offs between surface finish and mechanical properties, the M1 produces high-resolution...

14 Apr 2016

apanese architect Kengo Kuma has built a showroom and production facility for a Japanese furniture manufacturer, which features both translucent undulating walls and a simple rectangular roof.The second project unveiled this week by Kengo Kuma and Associates, the building was designed for manufacturer Sogokagu, which specialises in products made from moulded urethane – a type of plasti...

13 Apr 2016

In this gleaming lab in Redwood City, Calif., the first thing you notice is the burnt smell in the air. The next thing you notice is the whirring noise, from the machinery at the center of the lab cleaning objects pulled from humming rows of 5-foot-long cylindrical printers. They’re turning sludgy trays of gooey resin into caramel-colored shoe soles, valves, and prototype knee replacemen...

12 Apr 2016

The ability of chickens to stay warm in winter has inspired a new energy-efficient home insulation product developed by students at Imperial College London.Around 900m chickens are slaughtered each year by the poultry industry, producing 2,000 tonnes of feather waste a week, most of which ends up in landfill or goes through an energy-intensive process to be made into animal feed. But w...