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ramé-hart instrument co. December 2013 Newsletter

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Self Cleaning Army Fatigues 
In recent months we've taken a closer look at a variety of tools and technologies that have been developed for and are being used to make surfaces hydrophobic. (e.g., Sep 2013, Hydrobead vs. NeverWet, Aug 2013, my Puma Clyde sneakers made superhydrophobic with NeverWet; Feb 2013, how to build a superhydrophobic surface; Jan 2013, LiquiGlide and ketchup). Of all of the potential applications for superhydrophobic surface treatments, one of the most challenging and useful is making clothes self-cleaning. And perhaps nowhere would self-cleaning clothes be more of a boon than in the military. Soldiers, who can get really dirty in the field, are often deployed to remote locations and can go days or weeks between trips to a washing machine.

Scientist Quoc Truong at the Army's Natick Soldier Research, Development and Engineering Center (NSRDEC) with the assistance of a ramé-hart goniometer has developed over the past five years a superomniphobic coating for army fatigues.1 Treated uniforms will repel dirt, dust, water, oil, and liquids of all types. Dr. Truong has developed this coating technology, which employs both micro- and nano-level surface modifications, in cooperation with researchers at MIT and Luna Innovations (both are also ramé-hart customers).

These researchers have used contact angle, roll-off angle, contact angle hysteresis, and a variety of other tests to quantify the effectiveness of the treated fabric surfaces. Future developments of this coating include the addition of antimicrobial agents to keep fungus, mold, and other undesirable microorganisms from growing. Additional agents may be used to improve flame resistance and reduce odor. It's projected that this technology will be deployed by the US Army in large scale in the next five years. We will keep you posted.

1 See http://www.army.mil/article/95276 and http://tinyurl.com/kucl76k

ramé-hart in India
For many years ramé-hart instrument co. has had a solid presence in India. Our presence there, however, has greatly expanded over the past eight years during which time we have worked closely with Labline Scientific Instruments, our exclusive agent in the region.

That's me on the left and Mr. Joshi from Labline on the right.

This month we were fortunate to host the visit of Labline representative Vijay Joshi who traveled from Mumbai to our New Jersey headquarters to receive product training and updates. Mr. Joshi is responsible for the successful sale and installation of nearly two dozen ramé-hart instruments throughout India. His polished customer services skills, technical expertise, knowledge of the local market, and unflinching dedication to excellence make him a perfect fit for working with ramé-hart. We look forward to many more years of working in mutual cooperation with Labline and Mr. Joshi in India.

Wetting of Real Surfaces
Our associate, Professor Edward Bormashenko, at Ariel University in Israel, has recently published a new book, Wetting of Real Surfaces, which explores the nature of superhydrophobic, superoleophobic, and superhydrophilic surfaces. Topics also include wetting models using Young, Wenzel, and Cassie-Baxter equations, roughness, contact angle hysteresis, as well as novel methods for describing wetting behavior. For more details, see the brochure here (http://tinyurl.com/m5fhy4k).
Happy Holidays
Thank you for your business in 2013 and we look forward to working with you in 2014, our 53rd year of continuous operation. All of us here at ramé-hart instrument co. wish you and yours a safe and pleasant holiday season and a superhydrophic New Year.


Carl Clegg
Director of Sales
Phone 973-448-0305
Contact us


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