Reactive jojoba and castor oils-based cyclic carbonates for biobased polyhydroxyurethanes

Mokhtari, Chakib; Malek, Fouad; Manseri, Abdelatif; Caillol, Sylvain; Négrell, Claire

doi:10.1016/j.eurpolymj.2019.01.039

Cited by 46 publications

(51 citation statements)

References 42 publications

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“…In this context, a large palette of cyclic carbonates has been produced from fully bio-based synthons. [10][11][12][13] Most of the cyclic carbonates developed to form PHUs are 5membered cyclic carbonates, 5-CCs. [13][14][15][16][17][18] In a lesser extent, some PHUs can be also prepared from 6-to 8-membered cyclic carbonates [19][20][21][22][23][24][25][26] .…”

Section: Benefit Of the Reactive Extrusion In The Course Of Polyhydromentioning

confidence: 99%

Benefit of the Reactive Extrusion in the Course of Polyhydroxyurethanes Synthesis by Aminolysis of Cyclic Carbonates

Magliozzi

Chollet

Grau

et al. 2019

ACS Sustainable Chem. Eng.

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Replacing toxic isocyanates and petro-based reactants currently employed for polyurethanes (PUs) synthesis is nowadays a major concern. Among all the possible routes to isocyanate-free PUs, aminolysis of cyclic carbonates, leading to polyhydroxyurethanes (PHUs) seems to be one of the most promising pathways. Herein, we discuss the added value brought by the reactive extrusion process on PHU synthesis. In order to evaluate the benefit and the versatility of the process, three different bis-cyclic carbonates exhibiting different reactivity (Diglycerol Dicarbonate, Seb-bCC-ester and one bisCC containing amide function, Und-6DA-bisCC), were tested in the course of polymerization with different diamines. The PHUs synthesized through reactive extrusion were then compared with the ones obtained through classical bulk polymerizations in terms of kinetics, PHU molar masses and side reactions, clearly demonstrating the benefit of the extrusion process.

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Section: Benefit Of the Reactive Extrusion In The Course Of Polyhydromentioning

confidence: 99%

Benefit of the Reactive Extrusion in the Course of Polyhydroxyurethanes Synthesis by Aminolysis of Cyclic Carbonates

Magliozzi

Chollet

Grau

et al. 2019

ACS Sustainable Chem. Eng.

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“…Jojoba oil is a mixture of long-chain (C36-C46) esters of fatty acid and fatty alcohol, distinguishing it from other vegetable oils, which are triglyceride-based (Figure 2) (Mokhtari et al 2019). This gold-yellow odorless oxidation-resistant wax is liquid at room tempera-ture, which is another unique characteristic differentiating it from other natural waxes used in cosmetics (Le Dréau et al 2009;Zięba et al 2015).…”

Section: Oil Extraction Methods and Concomitant Compositionmentioning

confidence: 99%

Medicinal properties of jojoba (Simmondsia chinensis)

Tietel

Kahremany

Cohen

et al. 2021

Israel J. Plant Sci.

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Jojoba, Simmondsia chinensis (Link) C.K. Schneider is an evergreen shrub widely grown in Israel, the Middle East, South America, Africa, India and Australia used as an agricultural crop for commercial purposes and as a source of its non-edible natural wax. It is widely used in pharmaceutics and cosmetic formulation due to its unique structural characteristics and beneficial health effects. In addition, extensive work has been published on the plant’s health-promoting activities, ranging from antioxidant activities to the treatment of cancer. Being a rich source of natural liquid wax, the majority of research regarding jojoba focuses on its applications, as well as on the ability to exploit the residual plant materials obtained in its production. To date, several potent phytochemicals have been attributed to its medicinal properties, e.g. simmondsin and phenolic compounds. The current review emphasizes the evidence-based medicinal qualities of the wax and plant extracts and highlights the gaps of knowledge in these research areas and the importance of acquiring additional understanding of jojoba distinctive traits.

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“…By aminolysis with different diamines, the dicyclic carbonates were used to synthesize linear PHUs. The cyclic carbonates produced are recommended due to the absence of solvents and catalysts during the manufacturing process and the production at low temperatures and thus with good reactivity [ 76 ].…”

Section: Industrial Applicationsmentioning

confidence: 99%

“…Jojoba oil has been implemented with castor oil for the synthesis of PolyHydroxyUrethane polymer [ 76 ]. Other industrial uses include extraction and separation of isotopes such as Uranium (VI), Thorium (IV), and Plutonium (IV); and antifoaming agents in isolation of penicillin and tetracycline [ 9 ].…”

Section: Industrial Applicationsmentioning

confidence: 99%

Jojoba Oil: An Updated Comprehensive Review on Chemistry, Pharmaceutical Uses, and Toxicity

Gad

Roberts²,

Hamzi³

et al. 2021

Polymers

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Jojoba is a widely used medicinal plant that is cultivated worldwide. Its seeds and oil have a long history of use in folklore to treat various ailments, such as skin and scalp disorders, superficial wounds, sore throat, obesity, and cancer; for improvement of liver functions, enhancement of immunity, and promotion of hair growth. Extensive studies on Jojoba oil showed a wide range of pharmacological applications, including antioxidant, anti-acne and antipsoriasis, anti-inflammatory, antifungal, antipyretic, analgesic, antimicrobial, and anti-hyperglycemia activities. In addition, Jojoba oil is widely used in the pharmaceutical industry, especially in cosmetics for topical, transdermal, and parenteral preparations. Jojoba oil also holds value in the industry as an anti-rodent, insecticides, lubricant, surfactant, and a source for the production of bioenergy. Jojoba oil is considered among the top-ranked oils due to its wax, which constitutes about 98% (mainly wax esters, few free fatty acids, alcohols, and hydrocarbons). In addition, sterols and vitamins with few triglyceride esters, flavonoids, phenolic and cyanogenic compounds are also present. The present review represents an updated literature survey about the chemical composition of jojoba oil, its physical properties, pharmacological activities, pharmaceutical and industrial applications, and toxicity.

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Reactive jojoba and castor oils-based cyclic carbonates for biobased polyhydroxyurethanes

Cited by 46 publications

References 42 publications

Benefit of the Reactive Extrusion in the Course of Polyhydroxyurethanes Synthesis by Aminolysis of Cyclic Carbonates

Benefit of the Reactive Extrusion in the Course of Polyhydroxyurethanes Synthesis by Aminolysis of Cyclic Carbonates

Medicinal properties of jojoba (Simmondsia chinensis)

Jojoba Oil: An Updated Comprehensive Review on Chemistry, Pharmaceutical Uses, and Toxicity

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