One-pot synthesis of polyurethane-imides with tailored performance from castor and tung oil

Feng, Yajuan; Man, Limin; Hu, Yang; Chen, Lu; Xie, Bingqing; Zhang, Chaoqun; Yuan, Teng

doi:10.1016/j.porgcoat.2019.03.035

Cited by 42 publications

(21 citation statements)

References 27 publications

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“…However, these three individual chemical routes cannot be necessarily applied independently, as demonstrated not only by the transesterification with methanol and subsequent amidification of the resulting methyl ester [114][115][116] but also several-step modification of vegetable oils via transesterification-direct esterification [117] or transamidificationdirect esterification [104] in order to produce polyester or poly(ester amide) diols, respectively.…”

Section: Transamidification and (Trans)esterificationmentioning

confidence: 99%

A Review of the Sustainable Approaches in the Production of Bio-based Polyurethanes and Their Applications in the Adhesive Field

2020

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On account of the irreversible environmental damage caused by the utilization of non-renewable raw materials in industrial production, since the end of the twentieth century, the interest in replacing the traditionally applied petroleum-based starting compounds in the polyurethane production by more sustainable feedstocks has grown enormously. Such pursuit of Green Chemistry has been fostered by the implementation of a set of national and international initiatives and stricter regulations, especially in the field of adhesives. In this respect, the latest advances in the production of bio-based polyurethanes are collected in this review. Thus, after a brief introduction to this subject and main tendencies towards the production of more sustainable polyurethanes, the first section reviews the feasibility of manufacturing polyurethanes from a range of natural platforms, including lignocellulosic biomass and vegetable oils, whether modified or in their original form, along with some industrial wastes. Afterwards, the hitherto considered synthetic routes for the preparation of greener polyurethanes are assessed, encompassing waterborne, radiation-curable and non-isocyanate polyurethane techniques. Finally, the last section focuses on the research advancement on the synthesis, properties and different uses of bio-based polyurethanes specifically implemented in the field of adhesives.

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Section: Transamidification and (Trans)esterificationmentioning

confidence: 99%

A Review of the Sustainable Approaches in the Production of Bio-based Polyurethanes and Their Applications in the Adhesive Field

2020

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“…More recently, the Diels-Alder reaction of tung oil with 4-maleimidophenol was conducted for the synthesis of polyols and, in a further step, of polyurethane elastomers [135]. Eleostearic diethanolamide was synthesized from tung oil and diethanolamine and then reacted with hydroxymethylmaleimide to give a triol, which was mixed with castor oil and isophorone diisocyanate for the synthesis of polyurethanes [136]. Step-growth polymerization is also possible for the design of original tung oil-based polymers [6], and in this case, the prompt reactivity of the three conjugated double bonds of α-eleostearic acid towards dienophiles in Diels-Alder click reactions are often explored to achieve this goal.…”

Section: The Case Of Tung Oil: An Old Ally For Original Materialsmentioning

confidence: 99%

Section: The Case Of Tung Oil: An Old Ally For Original Materialsmentioning

confidence: 99%

The Prospering of Macromolecular Materials Based on Plant Oils within the Blooming Field of Polymers from Renewable Resources

et al. 2021

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This paper provides an overview of the recent progress in research and development dealing with polymers derived from plant oils. It highlights the widening interest in novel approaches to the synthesis, characterization, and properties of these materials from renewable resources and emphasizes their growing impact on sustainable macromolecular science and technology. The monomers used include unmodified triglycerides, their fatty acids or the corresponding esters, and chemically modified triglycerides and fatty acid esters. Comonomers include styrene, divinylbenzene, acrylics, furan derivatives, epoxides, etc. The synthetic pathways adopted for the preparation of these materials are very varied, going from traditional free radical and cationic polymerizations to polycondensation reactions, as well as metatheses and Diels–Alder syntheses. In addition to this general appraisal, the specific topic of the use of tung oil as a source of original polymers, copolymers, and (nano)composites is discussed in greater detail in terms of mechanisms, structures, properties, and possible applications.

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“…Figure 1 shows a common chemical composition for resorbable PUs, namely poly(ester‐urethane)s, which are produced by polyaddition reaction of two or more hydroxyl groups in a polyol with two or more isocyanate groups in a polyisocyanate with a short diol chain extender. These polymers are classified into thermoplastic PUs and thermoset PUs, 27 which are respectively produced using a two‐step reaction 28 or a one‐pot reaction 29,30 . The material properties of PUs can be controlled by the ratio of hard segments (i.e.…”

Section: Polyurethanesmentioning

confidence: 99%

Resorbable elastomers for implantable medical devices: highlights and applications

Turner

Ramesh

Menegatti

et al. 2021

Polymer International

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Resorbable elastomers are an emerging class of materials required for transient implantable medical devices (IMDs), as their tissue‐matching mechanical properties decrease the risks associated with implant removal and promote functional tissue integration. Traditional materials employed in IMDs are typically much more rigid than native tissue, which leads to increased foreign body response and tissue irritation, and must be removed at the end of life of the implant, thus increasing the risk to patients. Resorbable elastomeric biomaterials support efficiently all the functions of substrate/encapsulant, dielectric, semiconductors and conductors that are needed in IMDs, while offering beneficial mechanical properties and a programed degradation that circumvents the need for surgical removal. This mini‐review presents the chemical characteristics, material properties and applications as IMD substrates of three resorbable elastomer families: polyurethane, poly(glycerol sebacate) and poly(diol citrate). Finally, some challenges and future directions on the pathway to biomedical adoption of resorbable elastomeric biomaterials are discussed including safety, processing conditions and critical development steps for conductive and dielectric elastomers. © 2021 Society of Industrial Chemistry.

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One-pot synthesis of polyurethane-imides with tailored performance from castor and tung oil

Cited by 42 publications

References 27 publications

A Review of the Sustainable Approaches in the Production of Bio-based Polyurethanes and Their Applications in the Adhesive Field

A Review of the Sustainable Approaches in the Production of Bio-based Polyurethanes and Their Applications in the Adhesive Field

The Prospering of Macromolecular Materials Based on Plant Oils within the Blooming Field of Polymers from Renewable Resources

Resorbable elastomers for implantable medical devices: highlights and applications

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