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1963•Kobunshi KagakuOpen access

Studies on Epoxy Compounds

Yoshio Tanaka, Hiroshi Kakiuchi

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Abstract

Four new epoxy resins were obtained by the reaction of epichlorohydrin and the phenolalkylbenzene-formaldehyde resins such as phenol-xylene-formaldehyde resins or phenol-C9 or C10-alkylbenzene-formaldehyde resins.The number of epoxy groups in the epoxy resin obtained corresponds to the amount of oxygen in the alkylbenzene-formaldehyde resin. It is assumed that the obtained epoxy resins have the general molecular structures as follows:where n=1, 2 and 3, R=H or CH3.This epoxy resin cured with diaminodiphenylmethane had a heat distortion temperature of 150°C or more. Monoepoxide obtained from xylene-formaldehyde resin was examined as a reactive diluent for epoxy resins obtained from bisphenol A and epichlorohydrin.

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Four new epoxy resins were obtained by the reaction of epichlorohydrin and the phenolalkylbenzene-formaldehyde resins such as phenol-xylene-formaldehyde resins or phenol-C9 or C10-alkylbenzene-formaldehyde resins.The number of epoxy groups in the epoxy resin obtained corresponds to the amount of oxygen in the alkylbenzene-formaldehyde resin. It is assumed that the obtained epoxy resins have the general molecular structures as follows:where n=1, 2 and 3, R=H or CH3.This epoxy resin cured with diaminodiphenylmethane had a heat distortion temperature of 150°C or more. Monoepoxide obtained from xylene-formaldehyde resin was examined as a reactive diluent for epoxy resins obtained from bisphenol A and epichlorohydrin.

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Available abstract

Four new epoxy resins were obtained by the reaction of epichlorohydrin and the phenolalkylbenzene-formaldehyde resins such as phenol-xylene-formaldehyde resins or phenol-C9 or C10-alkylbenzene-formaldehyde resins.The number of epoxy groups in the epoxy resin obtained corresponds to the amount of oxygen in the alkylbenzene-formaldehyde resin. It is assumed that the obtained epoxy resins have the general molecular structures as follows:where n=1, 2 and 3, R=H or CH3.This epoxy resin cured with diaminodiphenylmethane had a heat distortion temperature of 150°C or more. Monoepoxide obtained from xylene-formaldehyde resin was examined as a reactive diluent for epoxy resins obtained from bisphenol A and epichlorohydrin.

Key concepts: Epoxy, Epichlorohydrin, Formaldehyde, Synthetic resin, Bisphenol A, Phenol, Diluent, Xylene

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