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International Journal of Polymeric Materials and Polymeric Biomaterials Volume 48, 2001 - Issue 2
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Original Articles

Poly(Urethane-Urea)s-Part-5

K. B. Patel Department of Chemistry, South Gujarat University, Surat, Gujarat, India; Gujarat Narmada Valley Fertilizers Co. Ltd., Narmadanagar, 392 015, Dist. Bharuch, Gujarat, India
,
K. R. Desai Department of Chemistry, South Gujarat University, Surat, Gujarat, India
&
H. S. Patel Department of Chemistry, Sardar Patel University, Vallabh Vidyanagar, Gujarat, India
Pages 145-150 | Received 16 Oct 1999, Accepted 27 Oct 1999, Published online: 23 Oct 2006
 
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Abstract

Four Different poly(urethane-urea)s (PUUs) were prepared by polycondensation of DMU(Dimethylol urea) with various diisocyanates. The resultant poly(urethane-urea)s were characterized by elemental analysis, IR spectral studies, number average molecular weight (Mn) estimated by non-aqueous conductometric titration and thermogravimetry. The electrical properties of these polymers have also been measured at room temperature.

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