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Preparation method of continuous fiber reinforced inorganic polymer matrix composite material

A technology of inorganic polymers and continuous fibers, which is applied in the field of preparation of inorganic polymer-based composite materials, can solve problems such as poor heat resistance, high cost, and complicated preparation process, and achieve good heat resistance, low production cost, and excellent preparation process simple effect

Active Publication Date: 2011-12-21
智合(深圳)新材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the problems that the inorganic polymer matrix composite material prepared by the existing method has poor heat resistance and the existing fiber-reinforced ceramic matrix composite material is not easy to make components with complex shapes, the preparation process is complicated, and the cost is high, the present invention provides Preparation method of continuous fiber reinforced inorganic polymer matrix composites

Method used

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specific Embodiment approach 1

[0007] Specific Embodiment 1: The preparation method of the continuous fiber reinforced inorganic polymer-based composite material in this embodiment is carried out according to the following steps: 1. Kaolin is calcined at 700-800°C for 1.5-2.5 hours to obtain metakaolin; 2. Metakaolin and its quality The silicate solution with a concentration of 46-62% is mixed according to the weight ratio of 1:1.5-5.5 to prepare an inorganic polymer matrix, and then ceramic particles are added to the inorganic polymer matrix and mixed to obtain an inorganic polymer batch. The weight ratio of the polymer matrix to the ceramic particles is 1:0.1-1; 3. Add the continuous fiber unidirectional fabric to the inorganic polymer batch and ultrasonically vibrate for 5-12 minutes to obtain the prepreg; 4. Prepare the prepreg in step 3. The impregnated material is laid in the mold, cured at 50-90°C for 20-120 minutes; 5. The product of step 4 is subjected to high-temperature treatment under the protect...

specific Embodiment approach 2

[0010] Embodiment 2: The difference between this embodiment and Embodiment 1 is that in step 1, the kaolin is calcined at 720-760°C for 1.8-2.2 hours. Other steps and parameters are the same as those in Embodiment 1.

specific Embodiment approach 3

[0011] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the silicate in the silicate solution in Step 2 is potassium silicate, sodium silicate or cesium silicate. Other steps and parameters are the same as those in Embodiment 1 or Embodiment 2.

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Abstract

The invention discloses a preparation method of continuous fiber reinforced inorganic polymer-based composite material, which relates to a preparation method of inorganic polymer-based composite material. The invention solves the problems that the inorganic polymer-based composite material prepared by the existing method has poor heat resistance, and the existing fiber-reinforced ceramic-based composite material is not easy to produce components with complex shapes, the preparation process is complicated, and the cost is high. Preparation method: 1. Make metakaolin; 2. Make inorganic polymer batch; 3. Make prepreg; 4. Lay prepreg in mold; 5. High temperature treatment; composite material. The preparation process of the invention is simple, the cost is low, components with complex shapes can be produced, the heat resistance is good, and the composition can be used stably at 1000°C.

Description

technical field [0001] The invention relates to a preparation method of an inorganic polymer-based composite material. Background technique [0002] In the composite material system, fiber-reinforced polymer-based composite materials are widely used, but because the polymer is composed of carbon, hydrogen and oxygen, the heat resistance is poor, which severely limits the use temperature of the composite material. Ceramic materials have a series of advantages such as high strength, high hardness, high temperature resistance, oxidation resistance, good wear resistance and chemical corrosion resistance, small linear expansion coefficient, and low density, but ceramic materials are brittle and poor in plasticity and toughness. It leads to poor reliability during use, which restricts its application range. On the one hand, fiber-reinforced ceramic matrix composites overcome the shortcomings of brittle fracture of ceramic materials, and on the other hand, they maintain the advanta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/71C04B33/36
Inventor 贾德昌何培刚林铁松王美荣
Owner 智合(深圳)新材科技有限公司
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