Enzymatic synthesis of andiroba oil based polyol for the production of flexible polyurethane foams

Silva, João Antonio Pessoa da; Cardozo, Nilo Sérgio Medeiros; Petzhold, César Liberato

doi:10.1016/j.indcrop.2018.01.020

Cited by 23 publications

(13 citation statements)

References 39 publications

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“…Higher values of MAG yield (around~70 mol%) were found by Corma et al (2005), Ferretti et al (2010), and Ferretti et al (2012 in the glycerolysis of methyl oleate with MgO, which is in agreement with the fact that the ester they used as acyl-donor (methyl oleate) requires a lower energy to react than a triacylglycerol. Regarding enzymatic glycerolysis, the higher values of yield found in Table 2 (around 85%, samples L1 and L13) are higher than to those reported in the literature for the glycerolysis of other vegetable oils (da Silva et al, 2018;Voll et al, 2011;Yang et al, 2005), which are in the range from 70% to 78%. For the glycerolysis of sardine oil, Solaesa et al (2016) obtained a MAG yield of around~90%.…”

Section: Resultscontrasting

confidence: 63%

Glycerolysis of Buriti Oil (Mauritia flexuosa) by Magnesium Oxide and Immobilized Lipase Catalysts: Reaction Yield and Carotenoids Degradation

Silva

Bönmann

Kuamoto

et al. 2021

J Americ Oil Chem Soc

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Buriti (Mauritia flexuosa) is a palm tree widely distributed in South America. The oil extracted from its fruit is an added value product for its high carotenoids content. The aim of this work was to evaluate the alkaline (magnesium oxide-MgO) and enzymatic (lipase B from Candida antarctica immobilized on macroporous acrylic resin) glycerolysis of buriti oil to obtain non-ionic emulsifiers and evaluate the carotenoids degradation during this process. Alkaline glycerolysis was carried out using a 3:1 glycerol/oil molar ratio, temperatures of 170 and 210 C, and MgO contents of 0.5 and 1%wt. Enzymatic glycerolysis reactions were performed using 3%wt. of a lipase catalyst and varying the following parameters: glycerol: oil molar ratio (3:1, 6:1, and 9:1), solvent (tert-butyl alcohol) concentration (50%, 150%, and 250%, vol./substrate mass), and temperature (40, 55 and 70 C). The products were analyzed by liquid chromatography and UV-visible spectroscopy (370-520 nm). Enzymatic glycerolysis was superior in terms of conversion and selectivity to monoacylglycerols (MAG). MAG yields were close to 80% or higher for most conditions tested for enzymatic glycerolysis, while the maximum yield for alkaline glycerolysis was of 58%. UV-Vis data showed that carotenoids were severally degraded in alkaline glycerolysis, while the enzymatic product exhibited high preservation of carotenoids and color and odor similar to those of the pure buriti oil. Based on the final composition of the non-ionic emulsifiers obtained from buriti oil by enzymatic glycerolysis, they can be considered potential raw materials for cosmetic and food industries.

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Section: Resultscontrasting

confidence: 63%

Glycerolysis of Buriti Oil (Mauritia flexuosa) by Magnesium Oxide and Immobilized Lipase Catalysts: Reaction Yield and Carotenoids Degradation

Silva

Bönmann

Kuamoto

et al. 2021

J Americ Oil Chem Soc

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“…For instance, andiroba oil was subject to glycerolysis catalyzed by N435 to produce a polyol in a tubular fixed bed reactor using t-butanol as the reaction medium (monoacylglycerol yield was over 65%). 372 This was used later for polyurethane foam production. In another study, enzymatic glycerolysis of castor oil catalyzed by N435 in a solvent-free system gave a mixture of mono and diglycerides that were used in the stabilization and synthesis of polyĲureaurethane) nanoparticles via miniemulsion polymerization.…”

Section: Lewatit Vp Oc 1600mentioning

confidence: 99%

Novozym 435: the “perfect” lipase immobilized biocatalyst?

Ortíz

Ferreira

Barbosa

et al. 2019

Catal. Sci. Technol.

427

360

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“…The most common sustainable bio-based materials are vegetable oils, polysaccharides, cellulose, lignocellulose, and starch [ 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 ]. Among them, vegetable oils have attracted considerable attention as an alternative to petroleum-based commercial polyols because of their abundance, price competitiveness, low toxicity, inherent bio-degradability, and ease of extraction from bio-renewable resources such as castor [ 17 ], soybean [ 18 ], canola seeds [ 19 ], sunflower [ 20 ], grapeseed [ 21 ], palm [ 22 ], and others [ 23 ]. Vegetable oils consist of a triglyceride structure derived from glycerol and three fatty acids.…”

Section: Introductionmentioning

confidence: 99%

Bio-Based Polyurethane Foams with Castor Oil Based Multifunctional Polyols for Improved Compressive Properties

Lee

Kim

2021

Polymers

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Currently, most commercial polyols used in the production of polyurethane (PU) foam are derived from petrochemicals. To address concerns relating to environmental pollution, a sustainable resource, namely, castor oil (CO), was used in this study. To improve the production efficiency, sustainability, and compressive strength of PU foam, which is widely used as an impact-absorbing material for protective equipment, PU foam was synthesized with CO-based multifunctional polyols. CO-based polyols with high functionalities were synthesized via a facile thiol-ene click reaction method and their chemical structures were analyzed. Subsequently, a series of polyol blends of castor oil and two kinds of castor oil-based polyols with different hydroxyl values was prepared and the viscosity of the blends was analyzed. Polyurethane foams were fabricated from the polyol blends via a free-rising method. The effects of the composition of the polyol blends on the structural, morphological, mechanical, and thermal properties of the polyurethane foams were investigated. The results demonstrated that the fabrication of polyurethane foams from multifunctional polyol blends is an effective way to improve their compressive properties. We expect these findings to widen the range of applications of bio-based polyurethane foams.

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Enzymatic synthesis of andiroba oil based polyol for the production of flexible polyurethane foams

Cited by 23 publications

References 39 publications

Glycerolysis of Buriti Oil (Mauritia flexuosa) by Magnesium Oxide and Immobilized Lipase Catalysts: Reaction Yield and Carotenoids Degradation

Glycerolysis of Buriti Oil (Mauritia flexuosa) by Magnesium Oxide and Immobilized Lipase Catalysts: Reaction Yield and Carotenoids Degradation

Novozym 435: the “perfect” lipase immobilized biocatalyst?

Bio-Based Polyurethane Foams with Castor Oil Based Multifunctional Polyols for Improved Compressive Properties

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