Abstract
A water-diluting epoxidetelomer was synthesized on the basis of allylglycidyl ether and dibutyl ether of adipinic acid under the effect of free radicals being generated during thermal decay of ditretbutyl peroxide. The reaction proceeds in one stage, the process is wasteless and fire-safe while the unreacted allylglycidyl ether returns to the reaction. The synthesized epoxytelomer is a low-viscous resin of lightyellow color, soluble in water, chloroform, acetone, M.w.=380-400 g.mol-1 , epoxide number –18-19%. The composition and structure of the obtained telomer were established due to physical and chemical investigations. The composition materials of hot and cold curing were developed on the basis of the obtained telomer. The curing process was studied by a method of differential-thermal analysis to show that the obtained materials were characterized by high heat-resistance and thermal stability. It revealed that the epoxide telomer has surface-active properties.
Highlights
The epoxide telomeres (ET) and paintlacquer coatings thereon are widely used in various industries due to their high adhesion, strength and protective properties [1,2]
The synthesis of epoxide telomer was carried out by interaction of allylglycidyl ether (AGE) with dibutyl ether of adipinic acid (DBEAA) under the effect of free radicals generated at thermal decay of ditretbutyl peroxide
The molecular weight determined by the cryoscopic method is in the range of 380400 g mol-1; a quantity of epoxide groups is 1819%, iodine number – 71.The composition and structure of the obtained telomer were confirmed by methods of elemental and spectral analyses, and purity – by thin layer chromatography
Summary
The epoxide telomeres (ET) and paintlacquer coatings thereon are widely used in various industries due to their high adhesion, strength and protective properties [1,2]. The paint-lacquer coatings widely used contain up to 80% of volatile organic solvents. When adjusted for the fact that one of the main tendencies of the development of the modern paint-lacquer industry is the desire to decrease or completely exclude the use of flammable and toxic organic solvents, the new progressive materials have been created and produced. These include water-soluble paints, i.e. paint-lacquer systems polymerized directly on the protected surface [5]
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