Method and device for recycling carbon fiber-reinforced resin
AssigneeHonda Motor Co., Ltd.
InventorsMasato Noguchi, Mitsuharu Kan
Life of this patent
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Abstract
A method for recycling a carbon fiber-reinforced resin including a carbon fiber and a matrix resin is provided, and the method includes: a first heating step of heating the carbon fiber-reinforced resin to decompose the matrix resin so as to obtain an intermediate in which the decomposition residue of the matrix resin is adhered to the carbon fiber; an unwinding step of unwinding an intermediate fiber from the intermediate; a second heating step of heating the unwound intermediate fiber to decompose the decomposition residue of the matrix resin adhered to the intermediate fiber so as to obtain a recycled carbon fiber; and a winding step of winding the recycled carbon fiber.
Claims8
A method for recycling a carbon fiber-reinforced resin including a carbon fiber and a matrix resin, the method comprising:
- a first heating step of heating, in a heat treatment furnace, the carbon fiber-reinforced resin to decompose the matrix resin so as to obtain an intermediate in which a decomposition residue of the matrix resin is adhered to the carbon fiber;
- an unwinding step of unwinding an intermediate fiber from the intermediate;
- a second heating step of heating the unwound intermediate fiber to decompose the decomposition residue of the matrix resin adhered to the intermediate fiber so as to obtain a recycled carbon fiber;
- and
- a winding step of winding the recycled carbon fiber.
A device for recycling a carbon fiber-reinforced resin including a carbon fiber and a matrix resin, the device comprising:
- a heat treatment furnace that heats the carbon fiber-reinforced resin to decompose the matrix resin so as to obtain an intermediate in which a decomposition residue of the matrix resin is adhered to the carbon fiber;
- an unwinder that unwinds an intermediate fiber from the intermediate;
- a tubular furnace that heats the unwound intermediate fiber to decompose the decomposition residue of the matrix resin adhered to the intermediate fiber so as to obtain a recycled carbon fiber;
- and
- a winder that winds the recycled carbon fiber.
Dependencies are inferred from the claim text.