Glass fiber reinforced photocurable epoxy acrylate composite material and preparation method thereof
A technology of epoxy acrylate and phenolic epoxy acrylate, which is applied in the field of glass fiber reinforced light-curing epoxy acrylate composite material and its preparation, can solve the problem of decreased adhesion between resin matrix and glass fiber, decreased mechanical properties, large Curing shrinkage rate and other problems, to achieve the effect of short curing time, good acid and alkali resistance, and simple preparation process
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Embodiment 1
[0041] The glass fiber reinforced light-curing epoxy acrylate composite material of this embodiment is composed of the following components by weight: 60 parts of bisphenol A epoxy acrylate, 25 parts of polypropylene glycol diacrylate, 5 parts of 2-hydroxy-2methyl-1-phenyl-1-acetone, 1.5 parts of active magnesium oxide, 1 part of KH-570, 0.5 part of polydimethylsiloxane, 0.5 part of p-hydroxyanisole, 1cm 8 parts of chopped glass fiber.
[0042] The glass fiber reinforced light-curing epoxy acrylate composite material is prepared by the following method, and the steps are as follows:
[0043] Put the 1cm chopped glass fiber into a muffle furnace and heat it to 400℃ for 1 hour, then cool it out, then immerse it in 20-40℃ and 10% hydrochloric acid solution for 2 hours, then wash it with distilled water Use a 2% mass fraction of KH-570 aqueous solution at 20-40°C for immersion treatment for 2 hours, and finally dry the solution at 100°C to obtain pretreated chopped glass fibers. Acco...
Embodiment 2
[0045] The glass fiber reinforced light-curing epoxy acrylate composite material of this embodiment is composed of the following components in parts by weight: 65 parts of bisphenol A epoxy acrylate, and 30 parts of tripropylene glycol diacrylate. Parts, 1 part of KH-570, 2 parts of active magnesium oxide, 0.6 parts of polydimethylsiloxane, 0.6 parts of 2,6-di-tert-butyl-p-cresol, 6 parts of 1-hydroxycyclohexyl benzophenone, 10 parts 1cm chopped glass fiber.
[0046] The glass fiber reinforced light-curing epoxy acrylate composite material is prepared by the following method, and the steps are as follows:
[0047] Put 10 parts of 1cm chopped glass fiber into a muffle furnace and heat it to 400℃ for 1 hour, then cool it out, then immerse it in 20-40℃ and 10% hydrochloric acid solution for 2 hours, and wash it with distilled water Then use a 2% mass fraction of KH-570 aqueous solution at 20-40°C for immersion treatment for 2 hours, and finally dry the solution at 100°C to obtain pre...
Embodiment 3
[0049] A glass fiber reinforced light-curing epoxy acrylate composite material of this embodiment, the composite material is composed of the following components by weight:
[0050] 65 parts of phenolic epoxy acrylate, 30 parts of trimethylolpropane triacrylate, 1 part of KH-590, 2.5 parts of active magnesium oxide, 0.6 parts of polydimethylsiloxane, 2,6-di-tert-butyl pair 0.6 parts of cresol, 6 parts of 2,4,6-trimethylbenzoyl-diphenyl phosphine oxide, 10 parts of 1 cm chopped glass fiber.
[0051] The glass fiber reinforced light-curing epoxy acrylate composite material is prepared by the following method, and the steps are as follows:
[0052] Put the 1cm chopped glass fiber into a muffle furnace and heat it to 400℃ for 1 hour, then cool it out, then immerse it in 20-40℃ and 10% hydrochloric acid solution for 2 hours, then wash it with distilled water Use a 2% mass fraction of KH-590 aqueous solution at 20-40°C for immersion treatment for 2 hours, and finally dry the solution at 1...
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Abstract
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