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Methoxy Polyethylene Glycol - Europe PMC

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Last Updated: 01 May 2022

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Viscoelastic Polyurethane Foams From Unmodified Kraft Lignin Dispersed Into Methoxy Polyethylene Glycol and Palm Kernel Oil as Substitutes of Petroleum-Based Polyols

Viscoelastic polyurethane foams production with different contents of KL and PKO were tested in methoxy polyethylene glycol and in a mixture of palm kernel oil with MPEG. The influence of the dispersed KL on the foam structure, foam growth profile, foaming reactivity, mechanical properties, and final properties of VPFs was investigated. The appearance of the control foam in MPEG/PKO was similar to the control VPF foam made with KL dispersion. When compared to the control, KL's 3. 9 pphp 3. 9 pp shrinkage values dropped by around four times. Unlike the control foam, without KL and PKO, the presence of the KL and PKO did not improve the burning rate of the foam samples compared to the control foam. The dispersion of KL in a blend of MPEG and PKO is an alternative for incorporating portions of KL and PKO into VPF, according to the author.

Source link: https://europepmc.org/article/PPR/PPR449903

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions