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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
ESCI SJR: 0.176 SNIP: 0.48 CiteScore™: 1.3

ISSN Печать: 1093-3611
ISSN Онлайн: 1940-4360

Выпуски:
Том 24, 2020 Том 23, 2019 Том 22, 2018 Том 21, 2017 Том 20, 2016 Том 19, 2015 Том 18, 2014 Том 17, 2013 Том 16, 2012 Том 15, 2011 Том 14, 2010 Том 13, 2009 Том 12, 2008 Том 11, 2007 Том 10, 2006 Том 9, 2005 Том 8, 2004 Том 7, 2003 Том 6, 2002 Том 5, 2001 Том 4, 2000 Том 3, 1999 Том 2, 1998 Том 1, 1997

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.2015014780
pages 63-69

A TOUCH SENSOR BASED ON A TENSORESISTIVE POLYMER

Vladimir M. Maslowsky
Zelenograd Research Institute of Physical Problems, 5 Georgievskiy Ave., Zelenograd, 124460, Russia
Alexander G. Safonov
Zelenograd Research Institute of Physical Problems, 6 proezd 4806, Zelenograd, 124460, Russia
Albert V. Novozhilov
Zelenograd Research Institute of Physical Problems, 6 proezd 4806, Zelenograd, 124460, Russia
Dmitrii V. Andreev
N.E. Bauman Moscow State Technical University, Kaluga Branch, 2 Bazhenov Str., Kaluga, 248000, Russia

Краткое описание

For a copolymer having a glass transition temperature of 12°C, the weight ratio of monomers (methacrylate:butyl acrylate:acrylic acid) is equal to 50:45:5. By varying the ratio of monomers in the copolymer composition, copolymers can be synthesized with a glass transition temperature from -50°C to 100°C. To enhance the stability of solutions, graphite with a particle size of 1 μm and of C-1 brand was selected as a filler. Being low-conductive, the graphite has a much lower specific gravity and high resistance to oxidation as compared with a metal filler; it is compatible with the polymer and the chosen solvent − ethyl cellosolve. After drying the thickness of the polymer-graphite composite layer was 80 μm. Then a copper electrode was deposited through the mask of this layer. We measured the dependences of the composite conductivity on load on a stand, consisting of a rod with a tip at the end, made from stiff rubber and sliding in the guide sleeve. We carried out measurements for various combinations of composite (carbon fraction 50%), methods, and modes of manufacture. The obtained dependences are linear in the range of several hundredths pascal to several megapascal, the dependence of sensitivity on pressure changes, but slightly. The hysteresis value during unloading/loading processes was 10-15%. The dynamical range was several tens.


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