Reactions of epoxide groups of glycidyl methacrylate copolymers

Abstract

SYNOPSISAn investigation was made of polymer-analogous reactions of the epoxide ring bound to the polymer chain with a number of agents such as amines, diamines, hydroxyamines, carboxylic acids, phosphoric acid, phosphorus pentoxide, thiourea, etc. The polymers used were homogeneous or slightly reticular gels. All reactions were considerably affected by the type and thermodynamic quality of the solvent. Reactions with the amino compounds were greatly dependent on their basicity and on the size of the alkyl groups. By using diamines one can obtain a material containing free amino groups capable of further reactions. A sufficiently high conversion of the reaction of the epoxide group with carboxylic and mineral acids could be achieved only in an anhydrous medium. In other media acid-catalyzed hydrolysis predominated, along with the required addition reaction. If the reaction mixture was treated with thiourea and then left to react with hydrogen sulphide, a polymer gel was formed containing two vicinal thio groups able to bind heavy metals.The reactions described show that the epoxide group bound in the copolymer allows a number of reactions which lead to products with properties markedly different from the starting material. I55

Copolymers of glycidyl methacrylate and octadecyl acrylate: synthesis, characterization, swelling properties, and reactivity ratios

“…Polymers based on GMA have been utilized as surface coatings [4], leather adhesives [5], pharmaceutical use for drug delivery [6], dental composites [7], superabsorbents [8], ion exchanger resin [9], nonlinear optical material [10], compatibilizer [11], and surface modifier [12]. The greatest advantage of GMA-based polymers is the presence of an easily transformable epoxy group, which permits a large number of chemical reactions [13,14]. The reaction of oxirane group with various nucleophiles is an opportunity for chemical modification of the base polymer [15][16][17][18].…”

Preparation, characterization, and lithographic applications of glycidyl methacrylate/methacrylic acid/t‐butyl‐4‐vinylphenyl carbonate terpolymers

“…[15][16][17] The high reactivity of the epoxide group is due to the considerable strain in the three-membered ring. The MAA monomer was chosen to provide water solubility.…”

Isothermal Crystallization of Poly(ethylene-co-glycidyl methacrylate)/Silica Nanocomposites

“…It is believed that there are strong interactions or some reactions between the modified silica particles and PEGMA. Many studies demonstrate that amine groups are capable of reacting with epoxy groups, as shown in the following scheme: [20][21][22][23][24] …”