Synthesis and application of a novel bio-based polyol for preparation of polyurethane foams

Li, Xin; Fang, Zheng; Tang, Shi-Gui; Zhang, Kai; Guo, Kai

doi:10.1039/c4nj00600c

Cited by 21 publications

(14 citation statements)

References 39 publications

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“…In recent years, attention has been switched to renewable resources‐derived polymers owing to increasing environmental concern and the unavailability of some petrol fractions. Among all renewable resources, cardanol, an agricultural by‐product that could be obtained in large quantities from the complete distillation of cashew nut shell liquid (CNSL), has stood out for the production of low‐cost materials . Cardanol is a pale yellow liquid containing an unsaturated 15‐carbon side chain with one to three CC bonds and a phenol group at the meta position .…”

Section: Introductionmentioning

confidence: 99%

Enhancement of flame‐retardant and mechanical performance of phenolic foam with the incorporation of cardanol‐based siloxane

Yang

et al. 2019

Polymer Composites

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A novel cardanol-based siloxane (SAECD), which has silicon groups and reactive epoxy groups, was synthesized. Its structure was confirmed by Fourier transform infrared spectrometry and 1 H nuclear magnetic resonance. Then, phenolic foams (PFs) modified with different contents of SAECD were prepared. While addition of appropriate amount of SAECD into resin matrix enhances the flexural strength of PFs, incorporation of SAECD into PFs leads to a reduced pulverization ratio. The limiting oxygen index (LOI) increases continuously with the increasing addition of SAECD into PFs. The results of the cone calorimeter test showed that the addition of 3% SAECD could effectively reduce the heat release rate and total heat release of the foam by the condensed phase flame retardant mechanism. The TTI of the modified foam was delayed by 19 s; the PHRR, mean HRR, and THR of the modified foams decreased by 9.10%, 4.11%, and 7.55%, respectively, compared with those of the pristine PF. In addition to the increase in the toughness of the PF, SAECD addition can also improve the flame retardant properties of the PF. K E Y W O R D S ORCID Caiying Bo https://orcid.org/0000-0002-7032-9931 F I G U R E 9 Photographs of char residues of PF and 3% SAECD modified PF [Color figure can be viewed at wileyonlinelibrary.com]

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Section: Introductionmentioning

confidence: 99%

Enhancement of flame‐retardant and mechanical performance of phenolic foam with the incorporation of cardanol‐based siloxane

Yang

et al. 2019

Polymer Composites

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“…Terminal epoxide compounds obtained using commercially available bio‐based polyols are other possibilities to replace non‐renewable resources that are being heavily used. Widely available polyols, used especially in traditional diisocyanate‐based polyurethane syntheses, are obtained from various natural sources such as palm oil, soybean oil, castor oil, rapeseed oil or seed oil from rubber trees . Materials based on bio‐polyols in comparison to petrochemical‐based polyols have much more favourable properties.…”

Section: Introductionmentioning

confidence: 99%

Sustainable synthesis of cyclic carbonates from bio‐based polyether polyol: the structure characterization, rheological behaviour and thermal properties

Błażek

Datta

Cichoracka

2019

Polymer International

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The cycloaddition of CO 2 to epoxides represents a green efficient method to form bis(cyclic carbonate)s. The main purpose of the work reported in this paper was to examine the effect of the gas flow rate (20, 40, 60 and 100 mL min -1 ) during carbonation on the conversion yield, chemical structure, rheological behaviour and thermal properties of the prepared compounds. A series of new bis(cyclic carbonate)s was obtained from bio-based polyether polyol. The syntheses were performed in the absence of toxic solvents and the process did not require the use of elevated pressure. The progressive structural changes and the presence of characteristic chemical groups were monitored by attenuated total reflection Fourier transform infrared spectroscopy. The characterization of the structure by 1 H NMR and 13 C NMR also confirmed the formation of cyclic carbonate moieties. The non-Newtonian behaviour and the optimal mathematical model (Herschel-Bulkley) were verified by rheological measurements. The materials obtained could be used as a chemical intermediate to synthesize advanced materials based upon polyurethanes without using isocyanates.

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“…Polyurethanes (PUs), produced by the step-growth polymerization of isocyanates and polyols, are currently one of the most common, versatile, and researched materials having applications such as foams, [1][2][3][4] elastomers, [5][6][7] coatings, [8][9][10][11] and biomaterials. [12][13][14] Since its invention in 1937 by Professor Otto Bayer and his co-workers, the PU industry has been growing tremendously over the past 80 years and brought great impact on nearly all aspects of our daily lives.…”

Section: Introductionmentioning

confidence: 99%

Progress in polydimethylsiloxane-modified waterborne polyurethanes

Ji¹,

Wang

Ma³

et al. 2017

RSC Adv.

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Synthesis and application of a novel bio-based polyol for preparation of polyurethane foams

Cited by 21 publications

References 39 publications

Enhancement of flame‐retardant and mechanical performance of phenolic foam with the incorporation of cardanol‐based siloxane

Enhancement of flame‐retardant and mechanical performance of phenolic foam with the incorporation of cardanol‐based siloxane

Sustainable synthesis of cyclic carbonates from bio‐based polyether polyol: the structure characterization, rheological behaviour and thermal properties

Progress in polydimethylsiloxane-modified waterborne polyurethanes

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