Sizing agent for carbon fibers, preparation method and application
A carbon fiber and slurry technology, applied in the direction of carbon fiber, fiber type, fiber treatment, etc., can solve the problems of inability to transmit stress, affect the mechanical properties of composite materials, and poor compatibility, so as to improve the mechanical properties and meet the requirements of high-temperature processing window , the effect of reducing consumption
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Embodiment 1
[0029] 1 part by weight of thermoplastic resin polyphenylene sulfide ketone was dissolved in 9 parts by weight of chloroform, and the dissolution was accelerated for 8 minutes under mechanical stirring at 1000 r / min at a temperature of 30° C. to form an organic solution. Add 0.07 parts by weight of sodium lauryl sulfate to 10 parts by weight of water, and accelerate the dissolution for 8 minutes under mechanical stirring at 1000 r / min at a temperature of 30° C. to form an aqueous solution. Mix the above-mentioned organic solution and aqueous solution, and emulsify for 20 minutes under the mechanical stirring of 1500r / min and the temperature of 30°C; then, keep the emulsified system under the mechanical stirring of 1000r / min and the temperature of 80°C for 1h, and the trichloro Methane is volatilized to obtain a sizing agent for emulsion carbon fiber.
[0030] The carbon fiber was dipped in the above sizing agent for 5 seconds, and then the sizing agent was applied to the sizin...
Embodiment 2
[0032] 0.5 parts by weight of thermoplastic resin polyphenylene sulfide ketone was dissolved in 9 parts by weight of chloroform, and the dissolution was accelerated for 10 minutes under mechanical stirring at 800 r / min at a temperature of 35° C. to form an organic solution. Add 0.1 part by weight of sodium lauryl sulfate to 10 parts by weight of water, and accelerate the dissolution for 10 minutes under mechanical stirring at 800 r / min at a temperature of 35° C. to form an aqueous solution. Mix the above-mentioned organic solution and aqueous solution, and emulsify for 30 minutes under the mechanical stirring of 1500r / min and the temperature of 35°C; then, keep the emulsified system under the mechanical stirring of 800r / min and the temperature of 80°C for 1.5h, and the three Chloromethane is volatilized to obtain a sizing agent for emulsion type carbon fiber.
[0033] The carbon fiber was dipped in the above sizing agent for 5 seconds, and then the sizing agent was applied to ...
Embodiment 3
[0035] Dissolve 1 part by weight of thermoplastic resin polyphenylene sulfide amide in 9 parts by weight of N-methylpyrrolidone, and accelerate the dissolution for 6 minutes under mechanical stirring at 1000 r / min at a temperature of 50° C. to form an organic solution. Add 0.07 parts by weight of chloroalkyl dimethyl benzylamine to 10 parts by weight of water, and accelerate the dissolution for 6 minutes under mechanical stirring at 1000 r / min at a temperature of 50° C. to form an aqueous solution. Mix the above-mentioned organic solution and aqueous solution, and emulsify for 20 minutes under the mechanical stirring of 1500r / min and the temperature of 50°C; then, keep the emulsified system under the mechanical stirring of 1000r / min and the temperature of 85°C for 1h, and N- Methylpyrrolidone is volatilized to obtain a sizing agent for emulsion type carbon fiber.
[0036] The carbon fiber was dipped in the above sizing agent for 5 seconds, and then the sizing agent was applied...
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