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Comparatively Speaking—Entanglement vs. Overlap
By: Anthony J. O'Lenick Jr., Siltech LLC, and Thomas O'Lenick, PhD, SurfaTech Corp.
Posted: May 11, 2011
page 3 of 3
However, both parameters must be considered when designing a product. If the concentration in a given formulation is above C*, the product might not be able to be sprayed, so the application will be limited. On the flip side, if the product is sprayed onto the hair but the polymer is not large enough to entangle, the product will be unsuccessful. For a more in-depth study including the physics of these phenomenona, consult Wool’s review.3
1. PC Painter and MM Coleman, Fundamentals of Polymer Science, 2nd ed, CRC Press, Boca Raton, FL (1997)
2. PD de Gennes, Scaling Concepts in Polymer Physics, Cornell University Press, Ithaca, NY (1979)
3. R Wool, Macromolecules, 26 (7) 1564–1569 (1993)