Fiber-reinforced resin composite body, production method therefor, and non-woven fabric for use in fiber-reinforced resin composite body
A fiber-reinforced resin, manufacturing method technology, applied in non-woven fabrics, textiles, papermaking, coatings, etc., can solve the problem of low impact resistance, and achieve the effect of excellent impact resistance
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Embodiment 1
[0142]
[0143] While disentangling carbon fibers (manufactured by Mitsubishi Rayon Corporation, trade name: TR50S12L), wind the carbon fibers around a metal drum, heat them with an infrared heater, and press them with rollers to obtain A UD slice aligned in one direction. It should be noted that the weight per unit area of the obtained UD sheet is 200g / m 2 .
[0144] Next, 24 obtained UD sheets were prepared, and the carbon fibers of the respective UD sheets were vertically arranged (that is, the carbon fibers were stacked perpendicularly). The UD sheets were stacked and arranged.
[0145] Next, a piece of nonwoven fabric (meltblown nonwoven fabric, weight per unit area: 8 g / m2) formed of polyetherimide fibers was inserted between the UD sheets. 2 , air permeability: 220cc / cm 2 / sec), a total of 23 pieces are inserted. Next, the obtained laminated sheet was hot-pressed at a temperature of 180° C. and a pressure of 1 MPa.
[0146] Next, place the laminated sheet on a ...
Embodiment 2
[0159] In addition to the use of non-woven fabrics made of polyetherimide fibers with a weight per unit area of 15g / m 2 , air permeability is 110cc / cm 2 A fiber-reinforced resin composite was obtained in the same manner as in Example 1 above, except for the nonwoven fabric per second.
[0160] Next, the post-impact compressive strength, water absorption, flexural strength, and flexural modulus were measured in the same manner as in Example 1 above. The above results are shown in Table 1.
Embodiment 3
[0162] In addition to the use of non-woven fabrics made of polyetherimide fibers with a weight per unit area of 30g / m 2 , Air permeability is 80cc / cm 2 A fiber-reinforced resin composite was obtained in the same manner as in Example 1 above, except for the nonwoven fabric per second.
[0163] Next, the post-impact compressive strength, the proportion of particles with a major diameter of 3 μm or less, water absorption, flexural strength, and flexural modulus were measured in the same manner as in Example 1 above. The above results are shown in Table 1.
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Abstract
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