Preparation method of anti-fatigue composite material plate spring
A composite material plate, anti-fatigue technology, used in leaf springs, springs, mechanical equipment, etc., can solve the problems of poor thermal stability of leaf springs, decreased material stability, delamination, etc., and achieve the effect of high fatigue life.
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Embodiment 1
[0054] (1) Preparation of modified S-type glass fiber
[0055] Immerse the S-type glass fiber in deionized water, add a certain amount of acetic acid to adjust the pH to 6.0, add decamethylcyclopentasiloxane, toluene, isopropanol, and methylcyclohexane, raise the temperature to 60°C, and keep the temperature for 60min , evaporate excess solvent, wash and dry to obtain modified S-type glass fiber;
[0056]The mass ratio of described S type glass fiber and deionized water is 1:3;
[0057] The mass ratio of described decamethylcyclopentasiloxane and S type glass fiber is 1:10;
[0058] The mass ratio of described toluene and S type glass fiber is 2:5;
[0059] The mass ratio of described Virahol and S type glass fiber is 1:5;
[0060] The mass ratio of the methylcyclohexane to the S-type glass fiber is 1:5.
[0061] (2) Epoxy resin modification
[0062] a. Salt modification
[0063] Add barium zirconate to the bisphenol A epoxy resin emulsion, raise the temperature to 80°C ...
Embodiment 2
[0094] (1) Preparation of modified S-type glass fiber
[0095] Immerse the S-type glass fiber in deionized water, add a certain amount of acetic acid to adjust the pH to 5.8, add decamethylcyclopentasiloxane, toluene, isopropanol, and methylcyclohexane, raise the temperature to 55°C, and keep the temperature for 65min , evaporate excess solvent, wash and dry to obtain modified S-type glass fiber;
[0096] The mass ratio of described S type glass fiber and deionized water is 1:2.5;
[0097] The mass ratio of described decamethylcyclopentasiloxane and S type glass fiber is 1:9;
[0098] The mass ratio of described toluene and S type glass fiber is 2:4.5;
[0099] The mass ratio of described Virahol and S type glass fiber is 1:4;
[0100] The mass ratio of the methylcyclohexane to the S-type glass fiber is 1:4.5.
[0101] (2) Epoxy resin modification
[0102] a. Salt modification
[0103] Add barium zirconate to the bisphenol A epoxy resin emulsion, raise the temperature to...
Embodiment 3
[0134] (1) Preparation of modified S-type glass fiber
[0135] Immerse the S-type glass fiber in deionized water, add a certain amount of acetic acid to adjust the pH to 6.3, add decamethylcyclopentasiloxane, toluene, isopropanol, and methylcyclohexane, heat up to 65°C, and keep the temperature for 55min , evaporate excess solvent, wash and dry to obtain modified S-type glass fiber;
[0136] The mass ratio of described S type glass fiber and deionized water is 1:3.5;
[0137] The mass ratio of described decamethylcyclopentasiloxane and S type glass fiber is 1:11;
[0138] The mass ratio of described toluene and S type glass fiber is 2:5.5;
[0139] The mass ratio of described Virahol and S type glass fiber is 1:6;
[0140] The mass ratio of the methylcyclohexane to the S-type glass fiber is 1:5.5.
[0141] (2) Epoxy resin modification
[0142] a. Salt modification
[0143] Add barium zirconate to the bisphenol A epoxy resin emulsion, raise the temperature to 85°C and sti...
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