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1982•Journal of Polymer Science Polymer Chemistry EditionRequires access

Copolymerization of glycidyl methacrylate with alkyl acrylate monomers

Pradeep K. Dhal, M. Ramakrishna, G. N. Babu

Open publisher page 23 citations

Abstract

Abstract A newer approach to obtaining acrylic thermoset polymers with adequate hydrophilicity required for various specific end uses is reported. Glycidyl methacrylate (GMA) was copolymerized with n‐butyl acrylate (n‐BA), isobutyl acrylate (i‐BA), and 2‐ethylhexyl acrylate (2‐EHA) in bulk at 60°C. with benzoyl peroxide as free radical initiator. The copolymer composition was determined from the estimation of epoxy group. Reactivity ratios were calculated by the Yezrielev, Brokhina, and Roskin method. For copolymerization of GMA (M1) with n‐BA (M2) the reactivity ratios were r1 = 2.15 ± 0.14, r2 = 0.12 ± 0.03; with i‐BA (M2) they were r1 = 1.27 ± 0.06, r2 = 0.33 ± 0.031; and with 2‐EHA (M2) they were r1 = 2.32 ± 0.14, r2 = 0.13 ± 0.009. The reactivity ratios were the measure of distribution of monomer units in a copolymer chain; the values obtained are compared and discussed.

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What this paper is about

Abstract A newer approach to obtaining acrylic thermoset polymers with adequate hydrophilicity required for various specific end uses is reported. Glycidyl methacrylate (GMA) was copolymerized with n‐butyl acrylate (n‐BA), isobutyl acrylate (i‐BA), and 2‐ethylhexyl acrylate (2‐EHA) in bulk at 60°C. with benzoyl peroxide as free radical initiator. The copolymer composition was determined from the estimation of epoxy group. Reactivity ratios were calculated by the Yezrielev, Brokhina, and Roskin method. For copolymerization of GMA (M1) with n‐BA (M2) the reactivity ratios were r1 = 2.15 ± 0.14, r2 = 0.12 ± 0.03; with i‐BA (M2) they were r1 = 1.27 ± 0.06, r2 = 0.33 ± 0.031; and with 2‐EHA (M2) they were r1 = 2.32 ± 0.14, r2 = 0.13 ± 0.009. The reactivity ratios were the measure of distribution of monomer units in a copolymer chain; the values obtained are compared and discussed.

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Available abstract

Abstract A newer approach to obtaining acrylic thermoset polymers with adequate hydrophilicity required for various specific end uses is reported. Glycidyl methacrylate (GMA) was copolymerized with n‐butyl acrylate (n‐BA), isobutyl acrylate (i‐BA), and 2‐ethylhexyl acrylate (2‐EHA) in bulk at 60°C. with benzoyl peroxide as free radical initiator. The copolymer composition was determined from the estimation of epoxy group. Reactivity ratios were calculated by the Yezrielev, Brokhina, and Roskin method. For copolymerization of GMA (M1) with n‐BA (M2) the reactivity ratios were r1 = 2.15 ± 0.14, r2 = 0.12 ± 0.03; with i‐BA (M2) they were r1 = 1.27 ± 0.06, r2 = 0.33 ± 0.031; and with 2‐EHA (M2) they were r1 = 2.32 ± 0.14, r2 = 0.13 ± 0.009. The reactivity ratios were the measure of distribution of monomer units in a copolymer chain; the values obtained are compared and discussed.

Key concepts: Copolymer, Glycidyl methacrylate, Benzoyl peroxide, Reactivity (psychology), Polymer chemistry, Acrylate, Monomer, Methacrylate

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