Showing posts with label Japan. Show all posts
Showing posts with label Japan. Show all posts

Friday, March 23, 2012

Japan scientist makes violin strings from spider silk

Thousands of the tiny strands can be wound together to produce a strong but flexible string that is perfect for the instrument, said Shigeyoshi Osaki, professor of polymer chemistry at Nara Medical University.

Osaki, who has been working with for 35 years, has previously suggested the material could be used for surgical sutures or for bullet proof vests, but his passion for the violin inspired him to create something with a musical twist.

In the process of weaving the threads, their shape changes from cylindrical to polygonal, which means they fit together much better, Osaki told AFP.

"During the assembly of normal threads there are many spaces between individual fibres," he said.

"What we achieved left no space among the . It made the strings stronger. This can have all sorts of applications in our day-to-day lives," he said, adding 300 female Nephila maculata spiders had provided his raw materials.

The strength and durability of spider silk is not a , with previous studies showing it can withstand and the effects of ultraviolet light.

Osaki once produced a rope spun from spider silk that he said could theoretically support a 600 kilogram (1,300 pound) weight.

Now his latest creation is making waves among musicians, who have praised the sonorous quality of the spider silk violin strings for their "soft and profound timbre".

"Professional violinists have said they can tell the difference" whether the strings are on a or on Osaki's own $1,200 violin, he said.

"It's one thing to create scientifically meaningful items, but I also wanted to produce something that would be socially accepted by ordinary people," he said.

Details of Osaki's research will be published in , a journal of the American Physical Society.

(c) 2012 AFP

Saturday, June 11, 2011

Evonik starts up new monosilane plant in Japan

 Evonik Industries and its partner Taiyo Nippon Sanso Corporation (TNSC) officially started up the new integrated production facility for monosilane and AEROSIL® in Yokkaichi, 400 kilometers south of Tokyo (Japan). Evonik has thus realized a future-oriented project to serve the growing photovoltaic and electronic markets. The project volume was around €150 million and the facility was the company’s largest single project in 2010. Evonik has a long-term agreement to supply monosilane to TNSC. Monosilane is used in the production of thin film solar cells, flat-screen displays and semiconductors for the electronics industry. Applications for AEROSIL® include processing into plastics, colorants and coatings.


At the opening ceremony in Yokkaichi, Klaus Engel, Chairman of Evonik's Executive Board, commented: “This substantial investment in Japan expands our significant market and technology position in the future-oriented solar energy market. It also makes a further important contribution to the global resource efficiency megatrend.”


The process used to produce monosilane at this new plant was developed by Evonik, which already operates a facility using this technology in Rheinfelden (Germany). The new plant in Yokkaichi will serve the Asian market with electronic-grade monosilane.