RETRACTED: Synthesis and characterization of polyurethane-based softwood composite as effective thermal insulation with low density and high mechanical properties

This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). This article has been retracted at the request of the Authors. The authors have plagiarized part of a paper that had already appeared in JME, 45 (11): 1–9. https://doi.org/10.11868/j.issn.1001-4381.2017.000406. One of the conditions of submission of a paper for publication is that authors declare explicitly that...