Toughness and reinforcement of diglycidyl ether of bisphenol-A by hyperbranched poly(trimellitic anhydride-butanediol glycol) ester epoxy resin

2009 ◽  
Vol 30 (7) ◽  
pp. 918-925 ◽  
Author(s):  
Daohong Zhang ◽  
Yukun Chen ◽  
Demin Jia
Keyword(s):  
Bisphenol A ◽  
Epoxy Resin ◽  
Diglycidyl Ether ◽  
Trimellitic Anhydride ◽  
Hyperbranched Poly ◽  
Glycol Ester

Diglycidyl ether of bisphenol-A epoxy resin modified using poly(ether ether ketone) with pendenttert-butyl groups

2007 ◽  
Vol 45 (17) ◽  
pp. 2481-2496 ◽  
Author(s):  
Bejoy Francis ◽  
Sabu Thomas ◽  
R. Sadhana ◽  
Nicole Thuaud ◽  
R. Ramaswamy ◽  
...  
Keyword(s):  
Bisphenol A ◽  
Epoxy Resin ◽  
Diglycidyl Ether ◽  
Ether Ether Ketone ◽  
Poly Ether Ether Ketone ◽  
Ether Ketone

scholarly journals Preparation and Characterization of Green Epoxy Resin Composites and Its Use in Corrosion Resistance

2018 ◽  
Author(s):  
Abbas Hassan Faris
Keyword(s):  
Bisphenol A ◽  
Epoxy Resin ◽  
Electrolyte Solutions ◽  
Kraft Lignin ◽  
Diglycidyl Ether ◽  
Kraft Pulping ◽  
Palm Tree ◽  
Scanning Calorimetry ◽  
Ft Ir ◽  
Nano Titanium Dioxide

In this work, appropriate alternative for diglycidyl ether bisphenol A (DGEBA) was found to avoid the destructive effects of bisphenol A. Lignin, an aromatic compound from palm tree leaves, was used as a renewable material to synthesize a bio-based epoxy resin. Lignin extracted using Kraft pulping process. Kraft Lignin was epoxidized with epichlorohydrin in alkaline medium. Nano-titanium dioxide was used as filler with ratio of 10% to prepare the green epoxy composite. The structure of the Kraft lignin and lignin-based epoxy resin was proven via Infrared spectra (FT-IR) were recorded using solid KBr disk by testing Shimadzu (FT-IR-8300) spectrophotometer. The thermal properties of the curing process of lignin-based epoxy resin and composite were investigate using Differential scanning calorimetry (DSC) analysis. Potentiodynamic measurements data revealed that the anti-corrosion performance of the lignin based epoxy resin. The study demonstrates successful of epoxidation of Kraft lignin. In addition, lignin based eopxy resin showed effective inhibitor for carbon steel in 3.5 wt. % NaCl electrolyte solutions

scholarly journals Sustainable access to fully biobased epoxidized vegetable oil thermoset materials prepared by thermal or UV-cationic processes

RSC Advances ◽  
2020 ◽  
Vol 10 (68) ◽  
pp. 41954-41966 ◽  
Author(s):  
Samuel Malburet ◽  
Chiara Di Mauro ◽  
Camilla Noè ◽  
Alice Mija ◽  
Marco Sangermano ◽  
...  
Keyword(s):  
Bisphenol A ◽  
Epoxy Resin ◽  
Vegetable Oil ◽  
Epoxy Resins ◽  
Diglycidyl Ether

Beyond the need to find a non-toxic alternative to DiGlycidyl Ether of Bisphenol-A (DGEBA), the serious subject of non-epichlorohydrin epoxy resins production remains a crucial challenge that must be solved for the next epoxy resin generations.

scholarly journals Synthesis of Bisphenol A Based Phosphazene-Containing Epoxy Resin with Reduced Viscosity

Polymers ◽  
2019 ◽  
Vol 11 (12) ◽  
pp. 1914 ◽  
Author(s):  
Kireev ◽  
Bilichenko ◽  
Borisov ◽  
Mu ◽  
Kuznetsov ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Bisphenol A ◽  
Epoxy Resin ◽  
31P Nmr ◽  
Diglycidyl Ether ◽  
31P Nmr Spectroscopy ◽  
Reduced Viscosity ◽  
Lower Viscosity ◽  
Curing Agents ◽  
Flame Retardant Properties

Phosphazene-containing epoxy oligomers (PEO) were synthesized by the interaction of hexachlorocyclotriphosphazene (HCP), phenol, and bisphenol A in a medium of excess of epichlorohydrin using potassium carbonate and hydroxide as HCl acceptors with the aim of obtaining a product with lower viscosity and higher phosphazene content. PEOs are mixtures of epoxycyclophosphazene (ECP) and a conventional organic epoxy resin based on bisphenol A in an amount controlled by the ratio of the initial mono- and diphenol. According to 31P NMR spectroscopy, pentasubstituted aryloxycyclotrophosphazene compounds predominate in the ECP composition. The relative content in the ECP radicals of mono- and diphenol was determined by the MALDI-TOF mass spectrometry method. The organic epoxy fraction, according to gas chromatograpy-mass spectrometry (GC-MS), contains 50–70 wt % diglycidyl ether of bisphenol A. PEO resins obtained in the present work have reduced viscosity when compared to other known phosphazene-containging epoxy resins while phosphazene content is still about 50 wt %. Resins with an epoxy number within 12–17 wt %, are cured by conventional curing agents to form compositions with flame-retardant properties, while other characteristics of these compositions are at the level of conventional epoxy materials.

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