Structure of a boron-containing bisphenol-F formaldehyde resin and kinetics of its thermal degradation

Gao, Jungang; Xia, Liya; Liu, Yanfang

doi:10.1016/s0141-3910(03)00225-8

Cited by 79 publications

(36 citation statements)

References 5 publications

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“…16,17 Such phenomenon is similar to other experimental results reported elsewhere. 18 With the elevation of the pyrolysis temperatures, especially above 157 8C, the polymeric system is disintegrated gradually, resulting in the continuous weight loss due to the elimination of various volatiles.…”

Section: Thermogravimetric Analysis (Tga)supporting

confidence: 90%

Influence of epichlorohydrin content on structure and properties of high‐ortho phenolic epoxy fibers

Jiao

Yang

Cao

et al. 2016

J of Applied Polymer Sci

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The high-ortho phenolic epoxy fibers (HPEFs) were prepared by the crosslinking of heat-meltable spun filaments derived from melt-spinning of the novolac epoxy resins copolymerized among phenol, formaldehyde, and epichlorohydrin (ECH) in the presence of zinc acetate and sulfuric acid catalyst, and cured in a combined solution of formaldehyde and hydrochloric acid. The resulting fibers were heat-treated in N 2 at elevated temperature. Infrared (IR) spectrometer, thermogravimetric analysis (TGA), scanning electron microscope (SEM), and electrical tensile strength apparatus were employed to characterize the change of functional groups, thermal performance, microstructure of fibers, and mechanical properties. The results show that the addition of ECH in the precursor resin can increase the content of long alkyl ether linkage, and gain the peak of thermal stability and mechanical strength. V C 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 43375.

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Section: Thermogravimetric Analysis (Tga)supporting

confidence: 90%

Influence of epichlorohydrin content on structure and properties of high‐ortho phenolic epoxy fibers

Jiao

Yang

Cao

et al. 2016

J of Applied Polymer Sci

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“…The increased thermal stability with increased boron content has recently been reported for a boron-containing bisphenol-F formaldehyde resin [18,23]. There has been an increase in interest for the determination of kinetic parameters, such as activation energies, from thermogravimetric data [4,5,23,24] in order to take the maxima information from the thermal degradation mechanisms and stability of polymeric precursors. Such information can be used to design novel precursors, or to provide extra knowledge for changing the composition of precursors in order to feature the desired ceramic phases.…”

Section: Discussionmentioning

confidence: 99%

Boron-containing poly(vinyl alcohol) as a ceramic precursor

Barros

Yoshida

Schiavon

2006

Journal of Non-Crystalline Solids

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“…When waste plastics produced form BPA are buried in a landfill, a hydrolytic or leaching process may occur to release BPA to the leachate. [14][15][16] Recently the bisphenol derivatives such as bisphenol B (BPB), 17 bisphenol C (BPC), [18][19][20][21] bisphenol E (BPE), 22,23 bisphenol F (BPF), [24][25][26] bisphenol O (BPO), 27 bisphenol S (BPS), [28][29][30] bisphenol T (BPT), 31,32 and bisphenol Z (BPZ) 33,34 shown in Figure 1 have come into wide use for synthesis of specialized epoxy and polycarbonate resins with more high-performance compared with ordinary ones. Although these bisphenol derivatives have two phenol groups in common, the chemical structure between phenol groups is different.…”

Section: Introductionmentioning

confidence: 99%

Use of chitosan for removal of bisphenol A and bisphenol derivatives through tyrosinase‐catalyzed quinone oxidation

Suzuki¹,

Sugiyama²,

Musashi³

et al. 2010

J of Applied Polymer Sci

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In this study, the availability of chitosan was systematically investigated for removal of bisphenol A (BPA, 2,2-bis(hydroxyphenyl)propane) through the tyrosinase-catalyzed quinone oxidation and subsequent quinone adsorption on chitosan beads. In particular, the process parameters, such as the hydrogen peroxide (H 2 O 2 )-to-BPA ratio, pH value, temperature, and tyrosinase dose, were discussed in detail for the enzymatic quinone oxidation. Tyrosinase-catalyzed quinone oxidation of BPA was effectively enhanced by adding H 2 O 2 and the optimum conditions for BPA at 0.3 mM were determined to be pH 7.0 and 40 C in the presence of H 2 O 2 at 0.3 mM ([H 2 O 2 ]/[BPA] ¼ 1.0). Removal of BPA from aqueous solutions was accomplished by adsorption of enzymatically generated quinone derivatives on chitosan beads. The use of chitosan in the form of beads was found to be more effective because heterogeneous removal of BPA with chitosan beads was much faster than homogeneous removal of BPA with chitosan solutions, and the removal efficiency was enhanced by increasing the amount of chitosan beads dispersed in the BPA solutions and BPA was completely removed by quinone adsorption in the presence of chitosan beads more than 0.10 cm 3 /cm 3 . In addition, a variety of bisphenol derivatives were completely or effectively removed by the procedure constructed in this study, although the enzyme dose or the amount of chitosan beads was further increased as necessary for some of the bisphenol derivatives used.

show abstract

Structure of a boron-containing bisphenol-F formaldehyde resin and kinetics of its thermal degradation

Cited by 79 publications

References 5 publications

Influence of epichlorohydrin content on structure and properties of high‐ortho phenolic epoxy fibers

Influence of epichlorohydrin content on structure and properties of high‐ortho phenolic epoxy fibers

Boron-containing poly(vinyl alcohol) as a ceramic precursor

Use of chitosan for removal of bisphenol A and bisphenol derivatives through tyrosinase‐catalyzed quinone oxidation

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