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Multifunctional composite carbon fiber inner liner and preparation method thereof

A composite carbon fiber and multi-functional technology, applied in the direction of textiles, papermaking, non-woven fabrics, etc., can solve the problems of production process influence, strong constraints, complex production process, etc.

Pending Publication Date: 2022-05-17
山东大庚工程材料科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Carbon fiber has the advantages of high temperature resistance, small heat storage, excellent heat insulation performance, and high thermal strength. In recent years, carbon fiber has developed rapidly as a high-temperature heat insulation material. And the manufacturing method is very restrictive, so the production efficiency is relatively low. At the same time, due to the influence of the relatively strict production process in the production process, the performance of the carbon fiber itself is damaged, and the comprehensive performance of the product such as heat insulation performance and service life is produced. are not ideal, so this paper proposes a multifunctional composite carbon fiber inner liner and its preparation method

Method used

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  • Multifunctional composite carbon fiber inner liner and preparation method thereof
  • Multifunctional composite carbon fiber inner liner and preparation method thereof

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preparation example Construction

[0026] The technical scheme of the present invention is as follows: a preparation method of a multifunctional composite carbon fiber inner liner; the preparation method includes the following steps:

[0027] S1: Preparation of materials: specifically, carbon fibers, polyester fibers, polyurethane fibers, and phenolic fibers are cut into suitable lengths, and the lengths are preferably between 50-150mm.

[0028] Wherein, the diameters of the carbon fibers, polyester fibers, polyurethane fibers and phenolic fibers are between 3-5 μm, and the thinner carbon fibers can ensure that the various fibers themselves will not be broken by the pressure during the subsequent pressurization process. The squashed situation.

[0029] S2: Mixing materials: Specifically, the carbon fiber, polyester fiber, polyurethane fiber and phenolic resin treated by S1 are initially mixed in a certain proportion, and the preferred ratio is (8-10): (4-5): (4- 5): 1.

[0030] The composite carbon fiber inne...

Embodiment 1

[0043] A preparation method of a multifunctional composite carbon fiber inner liner; the preparation method comprises the steps of:

[0044] S1: Preparation of materials: specifically, carbon fiber, polyester fiber, polyurethane fiber and phenolic resin fiber are cut to a length of 50 mm, and the diameter of the above fiber is 3 μm.

[0045] S2: Mixing: the carbon fiber, polyester fiber, polyurethane fiber and phenolic resin after cutting are mixed in a ratio of 8:4:4:1 to make a mixed fiber.

[0046] S3: Carding, opening and mixing the preliminarily mixed mixed fibers through an opener and a carding machine in sequence, and then spreading them into a mixed fiber layer;

[0047] S4: adding hot-melt adhesive polyamide powder to the mixed fiber layer obtained in step S3, and making the hot-melt adhesive powder enter the mixed fiber layer through the vibration of the vibrator;

[0048] And in this embodiment, the diameter of the hot-melt polyamide powder is 30 μm.

[0049] S5: ...

Embodiment 2

[0052] A preparation method of a multifunctional composite carbon fiber inner liner; the preparation method comprises the steps of:

[0053] S1: Material preparation: Specifically, carbon fibers, polyester fibers, polyurethane fibers, and phenolic fibers are cut to a length of 150 mm, and the diameter of the above fibers is 5 μm.

[0054] S2: Mixing: mix the cut carbon fiber, polyester fiber, polyurethane fiber and phenolic resin in a ratio of 10:5:5:1 to make a mixed fiber.

[0055] S3: Carding, opening and mixing the preliminarily mixed mixed fibers through an opener and a carding machine in sequence, and then spreading them into a mixed fiber layer;

[0056] S4: adding hot-melt adhesive polyester powder to the mixed fiber layer obtained in step S3, and making the hot-melt adhesive polyester powder enter the mixed fiber layer through the vibration of the vibrator;

[0057] And in this embodiment, the diameter of the hot-melt polyester powder is 40 μm.

[0058] S5: Put the ...

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Abstract

The invention discloses a multifunctional composite carbon fiber inner liner and a preparation method thereof.The preparation method comprises the steps that firstly, carbon fibers, polyester fibers, polyurethane fibers and phenolic fibers are cut into proper lengths and mixed, the mixed fibers obtained after mixing are sequentially carded and loosened and then laid flat to form a mixed fiber layer, and under the vibration effect of a vibration meter, the mixed fiber layer is subjected to heat preservation and heat preservation; hot melt adhesive powder is evenly added into the mixed fiber layer, the mixed fiber doped with the hot melt adhesive powder is put into a hot press to be heated, pressurized and shaped, finally, cooling and discharging are conducted, and the multifunctional composite carbon fiber inner liner is obtained finally. Wherein polyester fibers in the mixed fibers can also be a mixture of common polyester fibers and low-melting-point polyester composite fibers, hot melt adhesive powder in the mixed fibers is melted and adhered through the hot pressing effect of a hot press, or fusion is carried out through the combined effect of the low-melting-point polyester composite fibers and the hot melt adhesive powder, and the mixed fibers are formed. The production process and the like of the composite carbon fiber inner liner are simplified and can be completed without complex conditions, and meanwhile, the excellent performance among various fibers is reserved.

Description

technical field [0001] The invention relates to the technical field of composite heat insulation materials, in particular to a multifunctional composite carbon fiber inner liner and a preparation method thereof. Background technique [0002] Carbon fiber has the advantages of high temperature resistance, small heat storage, excellent heat insulation performance, and high thermal strength. In recent years, carbon fiber has developed rapidly as a high-temperature heat insulation material. And the manufacturing method is very restrictive, so the production efficiency is relatively low. At the same time, due to the influence of the relatively strict production process in the production process, the performance of the carbon fiber itself is damaged, and the comprehensive performance of the product such as heat insulation performance and service life is produced. Both are not ideal, so this paper proposes a multifunctional composite carbon fiber inner liner and its preparation met...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D04H1/60D04H1/655D04H1/558D04H1/55D04H1/541D04H1/4382
CPCD04H1/60D04H1/655D04H1/558D04H1/55D04H1/5412D04H1/43835D04H1/43828D10B2101/12D10B2331/04D10B2331/10
Inventor 吴业明王黎明张亮刘化勤杨广庆亚历山大·亚历山德罗维奇·别尔林王清标吴驰飞
Owner 山东大庚工程材料科技有限公司
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