Current Progress in Research into Environmentally Friendly Rigid Polyurethane Foams

Author:

Makowska Sylwia12,Szymborski Dawid1,Sienkiewicz Natalia1ORCID,Kairytė Agnė2ORCID

Affiliation:

1. Institute of Polymer and Dye Technology, Faculty of Chemistry, Lodz University of Technology, 90-924 Lodz, Poland

2. Civil Engineering Research Centre, Vilnius Gediminas Technical University, Saulėtekio av. 11, 10223 Vilnius, Lithuania

Abstract

Polyurethane foams are materials characterized by low density and thermal conductivity and can therefore be used as thermal insulation materials. They are synthesized from toxic and environmentally unfriendly petrochemicals called isocyanates and polyols, which react with each other to form a urethane group via the displacement of the movable hydrogen atom of the −OH group of the alcohol to the nitrogen atom of the isocyanate group. The following work describes the synthesis of polyurethane foams, focusing on using environmentally friendly materials, such as polyols derived from plant sources or modifiers, to strengthen the foam interface derived from plant precipitation containing cellulose derived from paper waste. The polyurethane foam industry is looking for new sources of materials to replace the currently used petrochemical products. The solutions described are proving to be an innovative and promising area capable of changing the face of current PU foam synthesis.

Funder

center of excellence project “Civil Engineering Research Centre”

Publisher

MDPI AG

Reference174 articles.

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