Crosslinking of Epoxy-Oligoesteric Mixtures in the Presence of Dioxydiphenylpropane Diglycidyl Ether Modified With Adipic Acid

Bratychak, Michael; Zubal, Olga; Bashta, Bogdana; Ivashkiv, Ostap; Shyshchak, Olena; Haponiuk, Józef T.

doi:10.23939/chcht11.02.180

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2017

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“…The content of carboxy groups was determined using a back titration method [10]. The softening temperature of CIR was determined using ring-and-ball method [11].…”

Section: Analytical Determinationmentioning

confidence: 99%

Obtaining of coumarone-indene resins based on light fraction of coal tar 1. coumarone-indene resins with carboxy groups

Bratychak¹,

Ripak²,

Namiesnik³

et al. 2017

ChChT

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Abstract.1 Coumarone-indene resins (CIR) with carboxy groups were synthesized via cooligomerization of unsaturated compounds presented in light fraction of coal tar and its fraction boiling out within 423-463 K with the addition of such industrial monomers as styrene, maleic anhydride, glycidyl methacrylate and methacrylic acid. 2,2`-Azobis(2-methylpropionitrile) in the form of 0.2 M solution in toluene was used as an initiator. The effect of monomers nature, initiator amount, temperature and reaction time on the yield and characteristics of resulted CIR has been determined. The structure of the synthesized CIR was confirmed by IR-spectroscopy. The conversion of unsaturated compounds during synthesis of CIR with carboxy groups was determined by gas-liquid chromatography.

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“…The content of carboxy groups was determined using a back titration method [10]. The softening temperature of CIR was determined using ring-and-ball method [11].…”

Section: Analytical Determinationmentioning

confidence: 99%