<abstract xmlns="http://www.w3.org/1999/xhtml"><p>A poly(hydroxybutyl citrate) p(HBC) was obtained. The product compound produced in the solution during esterification, was added to rigid polyurethane-polyisocyanurate foams (PUR-PIR). The amount of petrochemical polyol in the foams was decreased in favor of the p(HBC) from 0.1 to 0.5 equivalent. The foams were foamed in two ways: with distilled water (W foams) and with Solkane 365/227 (S foams). The examination results of both foam series were compared. They showed that the foams foamed with water have higher softening temperature than the foams foamed with solkane. The retention values for both foam series are around 91–95%, and water absorption in the range of 0.7–3.2%. The anisotropy coefficient did not exceed 1.08 (the lowest value being 1.01).</p></abstract>

A poly(hydroxybutyl citrate) p(HBC) was obtained. The product compound produced in the solution during esterification, was added to rigid polyurethane-polyisocyanurate foams (PUR-PIR). The amount of petrochemical polyol in the foams was decreased in favor of the p(HBC) from 0.1 to 0.5 equivalent. The foams were foamed in two ways: with distilled water (W foams) and with Solkane 365/227 (S foams). The examination results of both foam series were compared. They showed that the foams foamed with water have higher softening temperature than the foams foamed with solkane. The retention values for both foam series are around 91–95%, and water absorption in the range of 0.7–3.2%. The anisotropy coefficient did not exceed 1.08 (the lowest value being 1.01).

PUR-PIR foam produced based on poly(hydroxybutyl citrate) foamed founded with different factories

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

A poly(hydroxybutyl citrate) p(HBC) was obtained. The product compound produced in the solution during esterification, was added to rigid...

PUR-PIR foam produced based on poly(hydroxybutyl citrate) foamed founded with different factories

Published Online: Apr 16, 2018

Page range: 87 - 95

DOI: https://doi.org/10.2478/pjct-2018-0013

Keywords
rigid foam, polyurethane, polyol, citric acid, condensation

© 2018 Joanna Liszkowska et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

PUR-PIR foam produced based on poly(hydroxybutyl citrate) foamed founded with different factories

Published Online: Apr 16, 2018

Page range: 87 - 95

DOI: https://doi.org/10.2478/pjct-2018-0013

Keywordsrigid foam, polyurethane, polyol, citric acid, condensation

© 2018 Joanna Liszkowska et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
rigid foam, polyurethane, polyol, citric acid, condensation