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Preparation method of strengthened inorganic polymer base composite material of continuous fiber

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: 2009-09-16
智合(深圳)新材科技有限公司
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  • 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. 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 protection of vacuum...

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

A preparation method of strengthened inorganic polymer base composite material of continuous fiber relates to a preparation method of inorganic polymer base composite material. The invention solves the problems that inorganic polymer base composite material prepared by the existing method has bad heat resistance, members with complicated shapes are not easy to be manufactured by the exiting preparation method of fiber strengthened inorganic polymer base composite material, the preparation technology is complicated, and the cost is high. The preparation method is as follows: firstly, metakaolin is prepared; secondly, inorganic polymer batch is prepared; thirdly, prepreg is prepared; fourthly, the prepreg is paved in a mould; fifthly, high-temperature processing is carried out; therefore, the strengthened inorganic polymer base composite material of continuous fiber is prepared. The preparation in the invention has simple technology and low cost, can manufacture members with complicated shapes, has good heat resistance, and can be stably used at the temperature of 1000 DEG 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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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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