Preparation method and application of carbon fiber reinforced polymer-based composite

A polymer-based and composite material technology, applied in the field of composite material preparation, can solve problems such as nanoparticle agglomeration, achieve simple and easy-to-control processes, realize industrialized production, and be environmentally friendly

Active Publication Date: 2016-06-22
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The mechanical blending and deposition methods can only physically introduce the synthesized nanoparticles into the composite material, which tends to lead

Method used

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  • Preparation method and application of carbon fiber reinforced polymer-based composite
  • Preparation method and application of carbon fiber reinforced polymer-based composite
  • Preparation method and application of carbon fiber reinforced polymer-based composite

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A method for preparing a carbon fiber reinforced polymer matrix composite material, comprising the following steps:

[0029] Step 1: Weigh 0.5~5gA (A can be potassium permanganate, ammonium molybdate, sodium tungstate, zinc chloride, copper chloride, titanium chloride, aluminum chloride and other salts required for the synthesis of metal oxides) , dissolved in 40-80ml of B solvent (can be water, ethanol, propanol and ethylene glycol, etc.), configured into a C solution with a molar concentration of 0.01-5mol / L, and adjusted its pH to be acidic;

[0030] Step 2: Put the carbon arrangement in an acetone solution and ultrasonically clean it for 2-10 hours, take it out, wash it with deionized water, and dry it. Then place the dried carbon in 0.1-2mol / L potassium permanganate solution and soak for 12-36 hours (the purpose of soaking in potassium permanganate solution is to remove the organic matter on the surface of the carbon fiber. Of course, it can also be treated with ni...

Embodiment 2

[0035] Step 1: Combine 0.01-5mol / L A solution (A can be the salt required for the synthesis of sulfides such as ammonium molybdate, sodium tungstate, sodium metasquarate, cupric chloride, ferric chloride) and 0.01-5mol / L The B solution (B can be organic or inorganic sulfur source solutions such as thioacetamide, sodium sulfide, copper reagent, sodium diethyldithiocarbamate, sulfuric acid, ammonium peroxodisulfate) is uniformly mixed, and its pH value is adjusted to Acidic, to obtain a mixture C;

[0036] Step 2: Weigh 0.1g-5g of carbon nanofibers and place them in a molding machine, and let them stand for 10min-60min under a pressure of 2Mpa-15Mpa to obtain a carbon nanofiber sheet D with a thickness of 0.5mm-10mm. Wash with ethanol and deionized water for 3 to 6 times respectively, and dry at 60-100°C;

[0037] Step 3: Transfer the C solution into the reaction kettle, and add the nano-carbon fiber sheet D in step 2, seal it and place it in a hydrothermal induction heating de...

Embodiment 3

[0042] Step 1: Weigh 0.5-5g of A (A can be the salt required for the synthesis of non-metallic oxides such as orthosilicate, calcium carbonate, etc.), dissolve it in 40-80ml of B solvent (it can be water, ethanol, propanol and ethanol Diol, etc.), configured as a C solution with a molar concentration of 0.01 to 5 mol / L, and adjusted its pH to be alkaline;

[0043] Step 2: Put the chopped carbon fiber (100um-800um in length, 10-20um in diameter) in an acetone solution for ultrasonic cleaning for 2-10 hours, take it out, wash it with deionized water, and then dry it. Then soak the dried chopped carbon fibers in 0.1-2 mol / L nitric acid solution for 12-36 hours. Finally, the soaked chopped carbon fibers are cleaned and dried with deionized water;

[0044] Step 3: Weighing 1g to 6g of the chopped carbon fiber in step 2 and dissolving it in 50 to 200ml of water, and filtering it through a sand core funnel suction filter device to obtain a chopped carbon fiber sheet D with a certain...

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Abstract

The invention discloses a preparation method and application of a carbon fiber reinforced polymer-based composite. A saline solution needed by an inorganic compound is placed in a reaction still, a base material for inducting an alternating magnetic field is placed in the reaction still, and the reaction still is placed in hydrothermal induction heating equipment after being sealed; then the reaction still is cooled to room temperature, and the base material loaded with the inorganic compound is taken out, cleaned and dried; and finally, the base material loaded with the inorganic compound is subjected to hot press molding, and the composite can be obtained. The hydrothermal induction heating technology is applied to surface grafting of carbon fibers, and the defect that due to the surface inertia of the carbon fibers, the carbon fibers cannot be combined with other components easily is overcome. In addition, under the action of the alternating magnetic field, the high temperature of the carbon fibers promotes multiple nanometer materials to grow on the surfaces of the carbon fibers, more meshing sites are provided for the combination of the carbon fibers and resin, and interface bonding between the carbon fibers and the resin and the mechanical performance of the composite are improved.

Description

【Technical field】 [0001] The invention belongs to the technical field of composite material preparation, and relates to a preparation method and application of a carbon fiber reinforced polymer matrix composite material. 【Background technique】 [0002] Carbon fiber is often used as a reinforcing material for polymer matrix composites because of its excellent comprehensive properties (high specific modulus and strength-to-weight ratio, low thermal expansion, high electrical conductivity, high thermal conductivity, wear resistance, and high temperature resistance, etc.) [Zhou Xiya Ed. Composite Materials. Beijing: Chemical Industry Press, 2005.01.]. However, due to the small surface energy of carbon fiber, poor wettability with the resin matrix, and poor interface bonding performance, the mechanical properties of the composite materials prepared by it are often different from the theoretical value [ChoiI, LeeDG. 2013;48:1-8.]. [0003] Therefore, proper treatment of the carb...

Claims

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Application Information

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IPC IPC(8): B29C70/50B29C70/54B29C51/46
CPCB29C51/46B29C70/50B29C70/54
Inventor 黄剑锋李文斌
Owner SHAANXI UNIV OF SCI & TECH
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