Marinho, JRDMonteiro, EEC2014-05-202014-05-202000-01-01Polymer Testing. Oxford: Elsevier B.V., v. 19, n. 6, p. 667-672, 2000.0142-9418http://hdl.handle.net/11449/9975Natural trans- and cis-polyisoprenes and mixtures of these polymers were analysed by near-infrared spectrophotometry. The relative absorptivity data versus the amount of isomers in synthetic mixtures showed a non-linear behaviour. The results are compared with literature data from polyisoprenes extracted from other vegetal species. (C) 2000 Elsevier B.V. Ltd. All rights reserved.667-672engAnalysis of natural cis- and trans-polyisoprene mixtures by near-infrared spectrophotometryArtigo10.1016/S0142-9418(99)00039-2WOS:000087694100007Acesso restrito6918095783870980