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Polymer Communication Cryogenic mechanical alloying as an alternative strategy for the
 

Summary: Polymer Communication
Cryogenic mechanical alloying as an alternative strategy for the
recycling of tires
A.P. Smitha,1
, H. Adeb
, C.C. Kocha
, R.J. Spontaka,c,*
a
Department of Materials Science and Engineering, North Carolina State University, Raleigh, NC 27695, USA
b
Department of Physics, North Carolina State University, Raleigh, NC 27695, USA
c
Department of Chemical Engineering, North Carolina State University, Raleigh, NC 27695, USA
Received 16 August 2000; accepted 15 September 2000
Abstract
Cryogenic mechanical alloying (CMA) is investigated as a viable strategy by which to produce highly dispersed blends composed of
thermoplastics and tire, thereby providing a potentially new route by which to recycle discarded tires. Morphological characterization of
these blends by near-edge X-ray absorption ®ne structure (NEXAFS) microscopy demonstrates that, upon CMA, ground tire is highly
dispersed within poly(methyl methacrylate) (PMMA) and poly(ethylene terephthalate) (PET) matrices at sub-micron size scales. Incorpo-
ration of polyisoprene (PI) homopolymer into the blends to improve dispersion ef®cacy is also examined. Neither PI nor the tire is found to

  

Source: Ade, Harald W.- Department of Physics, North Carolina State University

 

Collections: Physics