A kind of vinyl ester resin and preparation method thereof
A technology of vinyl ester resin and epoxy resin, which is applied in the field of vinyl ester resin and its preparation, can solve problems such as greater influence of moisture, and achieve the effects of avoiding engineering accidents, shortening the construction period, and improving construction efficiency
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[0051] In the preparation method of the vinyl ester resin of the present invention, the equivalent ratio of the compound containing the epoxy resin structure to the unsaturated monocarboxylic acid is preferably 1:0.8-1.2, more preferably 1:0.9-1.1.
[0052] The compound containing epoxy resin structure can be bisphenol A type epoxy resin (Bisphenol A Epoxy Resin), bisphenol F type epoxy resin (Bisphenol F Epoxy Resin), novolac type epoxy resin (Novolac Type Epoxy Resin), One or more combinations of tetrabromo-bisphenol A epoxy resin (Tetrabromo-Bisphenol A Epoxy Resin), but not limited to the above options.
[0053] In the above-mentioned ring-opening polymerization step, as long as the compound containing the epoxy resin structure and the unsaturated monocarboxylic acid can be used for ring-opening polymerization, the polymerization conditions are not particularly limited, but preferably 90 Polymerization at ~130°C for 2 to 6 hours.
[0054] The vinyl ester resin of the pres...
Embodiment 1
[0062] Use bisphenol A epoxy resin and unsaturated monocarboxylic acid to carry out ring-opening polymerization reaction, and its equivalent ratio is bisphenol A epoxy resin: special unsaturated monocarboxylic acid: methacrylic acid=1.0:0.9:0.1; its reaction The compound is then diluted with styrene, the styrene content is 45%, and the prepared bisphenol A vinyl ester resin.
Embodiment 2
[0064]Use bisphenol A epoxy resin and unsaturated monocarboxylic acid to carry out ring-opening polymerization reaction, and its equivalent ratio is bisphenol A epoxy resin: special unsaturated monocarboxylic acid: methacrylic acid=1.0:0.6:0.4; its reaction The compound is then diluted with styrene, the styrene content is 45%, and the prepared bisphenol A vinyl ester resin.
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