Preparation and thermal properties of diglycidylether sulfone epoxy

Chiu, Yie-Chan; Chou, I-Chen; Tseng, Wei-Chuan; Chen‐Chi, M.

doi:10.1016/j.polymdegradstab.2007.12.014

Cited by 72 publications

(18 citation statements)

References 30 publications

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“…This value was determined from the temperature at 5% weight loss (T d5 ) and 30% weight loss (T d30 ) of the specimens obtained from the TGA. The statistic heat-resistant index temperature is calculated from Equation (1) [29][30][31]. The heat-resistance index is the temperature of the polymer in the physical heat tolerance limit.…”

Section: Temperature Transition By Dscmentioning

confidence: 99%

Thermal and Flammability Characteristics of Blended Jatropha Bio-Epoxy as Matrix in Carbon Fiber–Reinforced Polymer

et al. 2019

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This purpose of this paper was to reveal characteristics of a composite structure containing carbon fiber as a reinforcement and blended synthetic epoxy/bio-epoxy derived from crude jatropha oil as resin and compared with fully synthetic epoxy. The composite structure was prepared by the vacuum-assisted resin transfer molding technique and was left to cure for 24 h at room temperature. Both were characterized for their thermal, chemical, and flammable characteristics. The incorporation of jatropha bio-epoxy into the matrix significantly improved the thermal stability between 288–365 °C as obtained by thermogravimetric analysis (TGA) test. Dynamic mechanical analysis (DMA) curves showed slight diminution of performances and Tg from DMA tests confirmed well with the trend of Tg obtain by differential scanning calorimetry (DSC) curves. On the other hand, the flammability property was rated horizontal burning (HB) which was the same as the fully synthetic composite, but the duration to self-extinguish was halved for the composite with jatropha bio-epoxy. Fourier transform infrared attenuated total reflectance (FT-IR/ATR) was conducted to determine the difference of functional groups’ spectrum due to bonding type existing on both specimens. Overall, the composite specimen with blended bio-epoxy exhibited better thermal stability, comparable flammability characteristics, and performances. The aim of this paper was to introduce bio-based epoxy as a potential alternative epoxy and to compete with synthetic epoxy so as to minimize the footprint of non-renewable composite.

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Section: Temperature Transition By Dscmentioning

confidence: 99%

Thermal and Flammability Characteristics of Blended Jatropha Bio-Epoxy as Matrix in Carbon Fiber–Reinforced Polymer

et al. 2019

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“…It is determined from the temperature of 5 % weight loss (T d5% ) and of 30 % weight loss (T d30 % ) of the sample, as measured by means of TGA. The statistic heat-resistant temperature (T s ) is calculated by equation (3): [28,38]…”

Section: Thermal Propertiesmentioning

confidence: 99%

Synthesis and Properties of a Bio‐Based Epoxy Resin with High Epoxy Value and Low Viscosity

et al. 2013

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A bio-based epoxy resin (denoted TEIA) with high epoxy value (1.16) and low viscosity (0.92 Pa s, 258C) was synthesized from itaconic acid and its chemical structure was confirmed by 1H NMR and 13C NMR spectroscopy. Its curing reaction with poly(propylene glycol) bis(2-aminopropyl ether) (D230) and methyl hexahydrophthalic anhydride (MHHPA) was investigated. For comparison, the commonly used diglycidyl ether of bisphenol A (DGEBA) was also cured with the same curing agents. The results demonstrated that TEIA showed higher curing reactivity towards D230/MHHPA and lower viscosity compared with DGEBA, resulting in the better processability. Owing to its high epoxy value and unique structure, comparable or better glass transition temperature as well as mechanical properties could be obtained for the TEIA-based network relative to the DGEBA-based network. The results indicated that itaconic acid is a promising renewable feedstock for the synthesis of bio-based epoxy resin with high performance.

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“…. The thermal stability of polymers can be characterized by the integral procedure decomposition temperature (IPDT) , which exhibited the inherent thermal stability of polymer, and it was usually evaluated according to Eq . .…”

Section: Resultsmentioning

confidence: 99%

Cure kinetics and thermal stability of multifunctional epoxy/anhydride containing release agent and carbon fiber

Zhou

Bai

et al. 2013

Polymer Composites

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The investigations were carried out into the cure kinetics and thermal stability of multifunctional epoxy/anhydride/imidazole/release agent system (matrix) and carbon fiber reinforced matrix composite. Two experimental techniques were applied: dynamic differential scanning calorimetry (DSC) at different heating rates, and non‐isothermal thermogravimetric analysis (TGA). The results were indicated that the two‐parameter model was found to describe the cure kinetics for the matrix and the composite. The kinetic parameters such as pre‐exponential factor, apparent activation energy, and reaction orders were calculated. And, the carbon fiber had a significant effect on the apparent activation energy and the thermal stability. POLYM. COMPOS., 35:596–601, 2014. © 2013 Society of Plastics Engineers

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Preparation and thermal properties of diglycidylether sulfone epoxy

Cited by 72 publications

References 30 publications

Thermal and Flammability Characteristics of Blended Jatropha Bio-Epoxy as Matrix in Carbon Fiber–Reinforced Polymer

Thermal and Flammability Characteristics of Blended Jatropha Bio-Epoxy as Matrix in Carbon Fiber–Reinforced Polymer

Synthesis and Properties of a Bio‐Based Epoxy Resin with High Epoxy Value and Low Viscosity

Cure kinetics and thermal stability of multifunctional epoxy/anhydride containing release agent and carbon fiber

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