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    <subfield code="a">Biodegradable Aliphatic Thermoplastic Polyurethane Based on Poly(e-caprolactone)and L-Lysine Diisocyanate</subfield>
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    <subfield code="v">Journal of Polymer Science: Part A: Polymer Chemistry, 44(9), p.2990, 2006</subfield>
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    <subfield code="a">A biodegradable aliphatic thermoplastic polyurethane based on L-lysine diisocyanate and 1,4-butanediol hard block segments, and 2000 g/mol poly(e-caprolactone)diol soft block segments was synthesized. The resulting polymer was a tough thermoplastic with ultimate tensile strength of 33 MPa and elongation of 1000</subfield>
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    <subfield code="z">Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx</subfield>
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