A kind of preparation method of organic fiber reinforced carbon cloth/resin composite material
A technology of resin composite materials and organic fibers, applied in the field of materials, can solve the problems of rare and rare, and achieve the effects of improved interface bonding, stable structure, and good impact resistance
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Embodiment 1
[0031] Step 1: Take 3g of cashew nut shell oil-modified phenolic resin, dissolve it in 100ml of absolute ethanol to obtain a resin solution with a concentration of 30g / L, let it stand for 24 hours, and seal it for preservation after the resin is fully dissolved to obtain solution A;
[0032] Step 2: put 0.05g of aramid fiber into the deflagger, add 100ml of water to deflagrate for 120 minutes, and obtain a uniformly dispersed aramid fiber solution B with a concentration of 0.5g / L, wherein the speed of the deflaker is 600r / min;
[0033] Step 3: Soak the carbon cloth in acetone for 48 hours, then sonicate it in ethanol for 1 hour, and dry it for later use. The weaving density of the carbon cloth is 12K, and the weaving structure is plain weave;
[0034] Step 4: Spread the cleaned carbon cloth as filter paper on the bottom of the funnel, then pour the aramid fiber solution B into the funnel for suction filtration, and then dry the filtered carbon cloth to obtain sample C, of wh...
Embodiment 2
[0044] Step 1: Take 2g of cashew nut shell oil modified phenolic resin, dissolve it in 100ml of absolute ethanol to obtain a resin solution with a concentration of 20g / L, let it stand for 30 hours, and seal it for preservation after the resin is fully dissolved to obtain solution A;
[0045] Step 2: Put 0.1g of polyester fiber into a deflagging machine (model XQ-JK), add 200ml of water to decompose for 100 minutes, and then go through beating to obtain a uniformly dispersed polyester fiber solution B with a concentration of 0.5g / L. The speed of the machine is 800r / min;
[0046] Step 3: Soak the carbon cloth in acetone for 36 hours, then sonicate it in ethanol for 40 minutes, and dry it for later use. The weaving density of the carbon cloth is 12K, and the weaving structure is plain weave;
[0047] Step 4: Spread the cleaned carbon cloth as filter paper on the bottom of the funnel, then pour the polyester fiber solution B into the funnel for suction filtration, and then dry th...
Embodiment 3
[0051] Step 1: Take 2.5g of cashew nut shell oil modified phenolic resin, dissolve it in 100ml of absolute ethanol to obtain a resin solution with a concentration of 25g / L, let it stand for 28 hours, and seal it for preservation after the resin is fully dissolved to obtain solution A;
[0052] Step 2: Put 0.2g of acrylic fibers into a deflagging machine (model TD15-A), add 200ml of water to decompose for 80 minutes, and then go through beating to obtain a uniformly dispersed acrylic fiber solution B with a concentration of 1g / L. The rotating speed is 650r / min;
[0053] Step 3: Soak the carbon cloth in acetone for 40 hours, sonicate it in ethanol for 50 minutes, and dry it for later use. The weaving density of the carbon cloth is 12K, and the weaving structure is plain weave;
[0054] Step 4: Spread the cleaned carbon cloth as filter paper on the bottom of the funnel, then pour the acrylic fiber solution B into the funnel for suction filtration, and then dry the filtered carbo...
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