Aromatic poly(ether ester)s derived from a naturally occurring building block nipagin and linear aliphatic α,ω-diols

Hu, Keling; Zhao, Dongbing; Wu, Guolin; Ma, Jianbiao

doi:10.1039/c7ra01810j

Cited by 8 publications

(4 citation statements)

References 34 publications

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“…However, the elongations at break firstly decrease and then increase with the content of eugenol-derived composition increasing. For example, elongations at break decreased from 14.5% for PHN1 (the data of PHN1 here are original) 37 to 7.0% for PHN1 90% E1 10% , and then increased to 10.0% for PHN1 80% E1 20% . The elongation at break didn't exhibit the same trends as the Young’s modulus and tensile strength do.…”

Section: Resultsmentioning

confidence: 91%

Synergistic interaction of renewable nipagin and eugenol for aromatic copoly(ether ester) materials with desired performance

Sui

Zhao

2021

Sci Rep

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Naturally occurring nipagin and eugenol were used as the collaborative starting materials for poly(ether ester) polymers. In this study, two series of nipagin and eugenol-derived copoly(ether ester)s, PHN11−xE1x and PHN11−xE2x (x = 0%, 5%, 10%, 15%, 20%), were prepared with renewable 1,6-hexanediol as a comonomer. The nipagin-derived component acts as the renewable surrogate of petroleum-based dimethyl terephthalate (DMT), while the eugenol-derived component acts as the cooperative property modifier of parent homopoly(ether ester) PHN1. 1,6-Hexanediol was chosen as the spacer because of its renewability, high boiling point, and short chain to enhance the glass transition temperatures (Tgs) of materials. The molecular weights and chemical structures were confirmed by gel permeation chromatograph (GPC), NMR and FTIR spectroscopies. Thermal and crystalline properties were studied by thermal gravimetric analysis (TGA), differential scanning calorimetric (DSC) and wide-angle X-ray diffraction (WXRD). The tensile assays were conducted to evaluate the mechanical properties. The results suggested that properties of this kind of poly(ether ester)s could be finely tuned by the relative content of two components for the desired applications (elastomer, rubbery) suitable for different scenarios from polyethylene glycol terephthalate (PET) and polybutylene terephthalate (PBT).

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Section: Resultsmentioning

confidence: 91%

Synergistic interaction of renewable nipagin and eugenol for aromatic copoly(ether ester) materials with desired performance

Sui

Zhao

2021

Sci Rep

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“…Parabens were also detected in non-packaged fruit and vegetables as parabens may naturally occur in some fruits and vegetables and may contribute to disease resistance through their antimicrobial and antifungal properties [ 51 , 52 , 53 ]. Furthermore, EthPB has been reported to have allelopathic functions [ 54 , 55 ] and MetPB has been also found in a wide variety of plant species and it could be applied in the preparation of bio-based poly (ether ester) materials [ 56 ].…”

Section: Resultsmentioning

confidence: 99%

Presence of Parabens and Bisphenols in Food Commonly Consumed in Spain

Gálvez-Ontiveros

Moscoso-Ruiz

Rodrigo

et al. 2021

Foods

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Given the widespread use of bisphenols and parabens in consumer products, the assessment of their intake is crucial and represents the first step towards the assessment of the potential risks that these compounds may pose to human health. In the present study, a total of 98 samples of food items commonly consumed by the Spanish population were collected from different national supermarkets and grocery stores for the determination of parabens and bisphenols. Our analysis demonstrated that 56 of the 98 food samples contained detectable levels of parabens with limits of quantification (LOQ) between 0.4 and 0.9 ng g−1. The total concentration of parabens (sum of four parabens: ∑parabens) ranged from below the LOQ to 281.7 ng g−1, with a mean value of 73.86 ng g−1. A total of 52% of the samples showed detectable concentrations of bisphenols. Bisphenol A (BPA) was the most frequently detected bisphenol in the food samples analysed, followed by bisphenol S (BPS) and bisphenol E (BPE). Bisphenol AF (BPAF), bisphenol B (BPB) and bisphenol P (BPP) were not found in any of the analysed samples. LOQ for these bisphenols were between 0.4 and 4.0 ng g−1.

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“…(the data of PHN1 here are original) [36] to 7.0% for PHN190%E110%, and then increased to 10.0% for PHN180%E120%. The conclusion that can be drawn from tensile assays is that the incorporation of eugenol-derived composition impedes the crystallization of copoly(ether ester)s significantly and thus caused the lower Young's modulus and tensile strength, together with the tunable elongation at break.…”

Section: Stress-strain Behaviormentioning

confidence: 98%

Synergistic interaction of renewable nipagin and eugenol for high performance aromatic copoly(ether ester) materials

Sui

Zhao

2021

Preprint

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Naturally occurring nipagin and eugenol were used as the collaborative starting materials for poly(ether ester) materials. In this study, two series of nipagin and eugenol-derived copoly(ether ester)s, PHN11-xE1x and PHN11-xE2x (x = 0%, 5%, 10%, 15%, 20%), were prepared with renewable 1,6-hexanediol as a comonomer. The nipagin-derived component acts as the renewable surrogate of petroleum-based dimethyl terephthalate (DMT), while the eugenol-derived component acts as the cooperative property modifier of parent homopoly(ether ester) PHN1. 1,6-Hexanediol was chosen as the spacer because of its renewability and short chain to enhance the glass transition temperatures (Tgs) of materials. The molecular weights and chemical structures were confirmed by gel permeation chromatograph (GPC), NMR and FTIR spectroscopies. Thermal and crystalline properties were studied by thermal gravimetric analysis (TGA), differential scanning calorimetric (DSC) and wide-angle X-ray diffraction (WXRD). The tensile assays were conducted to evaluate the mechanical properties. The results suggest that properties of such kind of poly(ether ester)s can be finely tuned by the relative content of two components. Synergistic interaction of two structurally distinctive parts endows the materials with high performance.

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Aromatic poly(ether ester)s derived from a naturally occurring building block nipagin and linear aliphatic α,ω-diols

Abstract: Poly(ether ester) materials were synthesized from renewable nipagin and linear aliphatic α,ω-diols, and the thermal, crystalline and mechanical properties were investigated.

Cited by 8 publications

References 34 publications

Synergistic interaction of renewable nipagin and eugenol for aromatic copoly(ether ester) materials with desired performance

Synergistic interaction of renewable nipagin and eugenol for aromatic copoly(ether ester) materials with desired performance

Presence of Parabens and Bisphenols in Food Commonly Consumed in Spain

Synergistic interaction of renewable nipagin and eugenol for high performance aromatic copoly(ether ester) materials

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