A novel bio-based coating material prepared from modified acetoacetylated castor oil and diisocyanate

Zhu, Yongfa; Gao, Fei; Wei, Xiao; Cheng, Qian; Zhao, Jinze; Cao, Zhiyuan; Cao, Jinsong; Zhong, Jiang; Lin, Cong; Shu, Jinbing; Shen, Liang

doi:10.1016/j.porgcoat.2019.105397

Cited by 9 publications

(7 citation statements)

References 31 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Summarizing T g and T di values of fully and partially biobased SMPs reported in literature so far (Figure b, Table S1), − ,,− it is interesting to conclude that poly(IE-dea) and poly(G-dea) have superiorly high, and in fact the highest, thermal resistance among all available fully biobased SMPs reported so far.…”

Section: Results and Discussionmentioning

confidence: 85%

Development and Mechanism of High-Performance Fully Biobased Shape Memory Benzoxazine Resins with a Green Strategy

Sha

Yuan

Liang

et al. 2020

ACS Sustainable Chem. Eng.

View full text Add to dashboard Cite

Developing high-performance fully biobased shape memory thermosets with a green strategy is a challenging topic of great interest. Herein, two unique fully biobased benzoxazine resins with excellent shape memory properties, denoted as poly(IE-dea) and poly(G-dea), were developed by synthesizing two fully biobased benzoxazine monomers (IE-dea and G-dea) using a solvent-free method. The thermal, mechanical, and shape memory properties of poly(IE-dea) and poly(G-dea) were studied. Among the fully biobased shape memory polymers reported so far, poly(IE-dea) and poly(G-dea) have the highest glass transition temperatures (138 and 216 °C), initial thermal decomposition temperatures (340 and 347 °C), and tensile strengths (85.1 ± 2.5 and 65.9 ± 2.7 MPa). In addition, poly(IE-dea) and poly(G-dea) exhibit excellent shape memory properties. After four shape memory cycles, their shape fixity ratios are 97.7–98.0% and 96.7–97.2%, respectively, and their shape recovery ratios are 96.7–97.2% and 93.0–93.4%. In fact, they are the first two fully neat biobased shape memory benzoxazine resins up-to-date. The mechanism behind the excellent integrated performances of poly(IE-dea) and poly(G-dea) results from unique integrated actions of the flexible decane segment and rigid cross-linked structure from the polymerization of oxazine rings.

show abstract

Section: Results and Discussionmentioning

confidence: 85%

Development and Mechanism of High-Performance Fully Biobased Shape Memory Benzoxazine Resins with a Green Strategy

Sha

Yuan

Liang

et al. 2020

ACS Sustainable Chem. Eng.

View full text Add to dashboard Cite

show abstract

“…Furthermore, we can see that only one peak was observed in each case of the loss factors, indicating that the samples have homogeneous properties, and the peak maximum value can be used as the T g ( Zuo et al 2019 ; Chen et al 2020 ; Guo et al 2021 ). In previous reports, the crosslinking density ( v e ) was calculated using the equation ( Li et al, 2019 ; Zhu et al, 2020a ; Zhu et al, 2020b ).

…”

Section: Resultsmentioning

confidence: 99%

“…Guo et al 2021). In previous reports, the crosslinking density (v e ) was calculated using the equation (Li et al, 2019;Zhu et al, 2020a;Zhu et al, 2020b).…”

Section: Methodsmentioning

confidence: 99%

Exploring of the property of epoxy resins based on diselenide and disulfide dynamic linkers

Wei

Liu²,

Guo³

et al. 2022

Front. Chem.

View full text Add to dashboard Cite

Over the last decade, there has been a lot of interest in incorporating dynamic covalent bonds (DCBs) into epoxy resins. Because diselenide and disulfide bonds have similar properties, they are frequently used as DCBs in self-healing epoxy networks. In this paper, we present diselenide and disulfide dynamic linkers containing epoxy networks by analyzing the effects of mechanical properties, thermal stability, activation energies, and self-healing properties. The glass transition temperature (Tg) values, mechanical properties, crosslinking density (ve), and thermal stability of disulfide linkers networks were higher than those of diselenide linkers networks, according to our research. The activation energies of disulfide linkers were higher than those of diselenide linkers (up to 14 kJ/mol), but their healing efficiency was lower than that of the diselenide network. These findings demonstrate the advantages of diselenide and disulfide dynamic linkers in epoxy networks systems, as well as a method for designing and preparing the appropriate diselenide dynamic linkers or disulfide dynamic linkers incorporated into epoxy networks for the appropriate application and processing technology.

show abstract

“…[ 87 ] Thus, castor oil 29 was equipped with additional hydroxy moieties by thiol‐ene addition and subsequently transesterified, resulting in functionalized castor oil bearing approximately nine acetoacetate groups. [ 88 ] Cross‐linking of these acetoacetate residues by polycondensation with diamine 27 led to the formation of vinylogous urethane units. Transamination of the vinylogous urethanes allows the polymer networks to exchange during reprocessing, thus representing the properties of a vitrimer.…”

Section: Terpene‐based Amines and Lactams And Their Use In Polymer Sy...mentioning

confidence: 99%

Nitrogen‐Containing Polymers Derived from Terpenes: Possibilities and Limitations

Scheelje

Destaso

Cramail

et al. 2022

Macro Chemistry & Physics

View full text Add to dashboard Cite

Nitrogen-containing polymers are widely applied materials, including polyamides, polyurethanes, and polyureas as well as epoxy thermosets. Their indispensability and the urgent need to replace fossil-based polymers considering more sustainable alternatives lead to significant efforts in exploring renewable feedstock as potential new building blocks. Being obtained from non-edible plant parts and often occurring as waste products, terpenes represent a promising group of renewable compounds that are of possible interest in the synthesis of nitrogen-containing polymers. The structural diversity of terpenes in combination with the mechanical properties that nitrogen-containing moieties bring into polymers can give rise to novel biobased materials that outstand mechanical and thermal properties of conventional fossil-based counterparts. In this review, an overview of the use of terpene compounds in the synthesis of nitrogen-containing polymers is given, covering different approaches to make use of terpenes as a valuable pool of renewable monomers.

show abstract

A novel bio-based coating material prepared from modified acetoacetylated castor oil and diisocyanate

Cited by 9 publications

References 31 publications

Development and Mechanism of High-Performance Fully Biobased Shape Memory Benzoxazine Resins with a Green Strategy

Development and Mechanism of High-Performance Fully Biobased Shape Memory Benzoxazine Resins with a Green Strategy

Exploring of the property of epoxy resins based on diselenide and disulfide dynamic linkers

Nitrogen‐Containing Polymers Derived from Terpenes: Possibilities and Limitations

Contact Info

Product

Resources

About