Experimental evidence for trapped chain entanglements: their influence on macroscopic behaviour of networks |
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| Authors: | S Candau A Peters J Herz |
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| Affiliation: | Laboratoire d'' Acoustique Moléculaire (ERA au CNRS), Université Louis Pasteur, 4, rue Blaise Pascal, 67070 Strasbourg Cédex, France;Centre de Recherches sur les Macromolécules, 6, rue Boussingault, 67000 Strasbourg, France |
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| Abstract: | The swelling and elastic properties of poly(dimethyl siloxane) networks prepared by end-linking and subsequently swollen in heptane and toluene have been investigated as a function of the volume fraction, vc, at which networks are generated. Increases in both swelling degree and shear modulus with vc demonstrate the increase in number of trapped entanglements with vc. The results may be described by a simple scaling law approach. |
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