阅读说明：本技术 一种碳纤维毡增强无机聚合物基复合材料及其制备方法 (Carbon fiber felt reinforced inorganic polymer matrix composite material and preparation method thereof ) 是由 王亚萍 王炳奎 于 2020-07-29 设计创作，主要内容包括：本发明公开了一种碳纤维毡增强无机聚合物基复合材料及其制备方法,其中的碳纤维毡增强无机聚合物基复合材料的制备方法包括以下步骤：S1：称量偏高岭土粉体80-84份、氢氧化钾42-46份、无水乙醇5-9份、碳纤维1-5份、过硫酸钾5-9份、硅烷偶联剂26-30份、四氟丙烯15-19份、聚有机硅氧烷12-16份、二甲醚10-14份和去离子水11-15份,待用；S2：将氢氧化钾、过硫酸钾、四氟丙烯、聚有机硅氧烷、二甲醚和去离子水加入到混合机中进行搅拌处理,在搅拌的过程中逐步添加偏高岭土粉体,得到混合料。本发明制备工艺简单,制作成本低,制得的碳纤维毡增强无机聚合物基复合材料耐热性能较好,能够在较高温度下稳定使用,强度高。(The invention discloses a carbon fiber felt reinforced inorganic polymer matrix composite material and a preparation method thereof, wherein the preparation method of the carbon fiber felt reinforced inorganic polymer matrix composite material comprises the following steps: s1: weighing 80-84 parts of metakaolin powder, 42-46 parts of potassium hydroxide, 5-9 parts of absolute ethyl alcohol, 1-5 parts of carbon fiber, 5-9 parts of potassium persulfate, 26-30 parts of silane coupling agent, 15-19 parts of tetrafluoropropene, 12-16 parts of polyorganosiloxane, 10-14 parts of dimethyl ether and 11-15 parts of deionized water for later use; s2: adding potassium hydroxide, potassium persulfate, tetrafluoropropene, polyorganosiloxane, dimethyl ether and deionized water into a mixer for stirring treatment, and gradually adding metakaolin powder in the stirring process to obtain a mixture. The preparation method disclosed by the invention is simple in preparation process and low in preparation cost, and the prepared carbon fiber felt reinforced inorganic polymer matrix composite material is good in heat resistance, can be stably used at a high temperature and is high in strength.)

1. The carbon fiber felt reinforced inorganic polymer matrix composite is characterized by comprising the following raw materials in parts by weight: 80-84 parts of metakaolin powder, 42-46 parts of potassium hydroxide, 5-9 parts of absolute ethyl alcohol, 1-5 parts of carbon fiber, 5-9 parts of potassium persulfate, 26-30 parts of silane coupling agent, 15-19 parts of tetrafluoropropene, 12-16 parts of polyorganosiloxane, 10-14 parts of dimethyl ether and 11-15 parts of deionized water.

2. The carbon fiber felt reinforced inorganic polymer matrix composite material as claimed in claim 1, which is characterized by comprising the following raw materials in parts by weight: 81-83 parts of metakaolin powder, 43-45 parts of potassium hydroxide, 6-8 parts of absolute ethyl alcohol, 2-4 parts of carbon fiber, 6-8 parts of potassium persulfate, 27-29 parts of silane coupling agent, 16-18 parts of tetrafluoropropene, 13-15 parts of polyorganosiloxane, 11-13 parts of dimethyl ether and 12-14 parts of deionized water.

3. The carbon fiber felt reinforced inorganic polymer matrix composite material as claimed in claim 1, which is characterized by comprising the following raw materials in parts by weight: 82 parts of metakaolin powder, 44 parts of potassium hydroxide, 7 parts of absolute ethyl alcohol, 3 parts of carbon fiber, 7 parts of potassium persulfate, 28 parts of silane coupling agent, 17 parts of tetrafluoropropene, 14 parts of polyorganosiloxane, 12 parts of dimethyl ether and 13 parts of deionized water.

4. A preparation method of a carbon fiber felt reinforced inorganic polymer matrix composite material is characterized by comprising the following steps:

s1: weighing 80-84 parts of metakaolin powder, 42-46 parts of potassium hydroxide, 5-9 parts of absolute ethyl alcohol, 1-5 parts of carbon fiber, 5-9 parts of potassium persulfate, 26-30 parts of silane coupling agent, 15-19 parts of tetrafluoropropene, 12-16 parts of polyorganosiloxane, 10-14 parts of dimethyl ether and 11-15 parts of deionized water for later use;

s2: adding potassium hydroxide, potassium persulfate, tetrafluoropropene, polyorganosiloxane, dimethyl ether and deionized water into a mixer for stirring treatment, and gradually adding metakaolin powder in the stirring process to obtain a mixture;

s3: adding absolute ethyl alcohol and a silane coupling agent into a stirrer for stirring treatment, and soaking the carbon fibers in the stirrer after stirring;

s4: taking the soaked carbon fibers out of the stirrer, and then putting the carbon fibers into a dryer for drying treatment;

s5: compacting and tabletting the dried carbon fibers, and then uniformly coating the mixture in the S2 on the carbon fibers;

s6: and (4) compacting the carbon fibers in the S5, and drying the carbon fibers after compacting to obtain the carbon fiber felt reinforced inorganic polymer matrix composite.

5. The method as claimed in claim 4, wherein in S2, the volume of the mixer is 0.5-40L, and the rotation speed of the mixer is set at 120-.

6. The method as claimed in claim 4, wherein in S3, the rotation speed of the stirrer is set to 60-80r/min, the stirring time of the stirrer is set to 10-15min, and the soaking time is set to 80-100 min.

7. The method as claimed in claim 4, wherein the temperature of the dryer is set at 160 ℃ and the drying time is set at 70-90min in S4.

8. The method of claim 4, wherein in the step S6, the compacting time is set to 2-3h, the drying temperature is set to 60-80 ℃, and the drying time is set to 5-8 h.

Technical Field

The invention relates to the technical field of inorganic polymer matrix composite materials, in particular to a carbon fiber felt reinforced inorganic polymer matrix composite material and a preparation method thereof.

Background

The inorganic polymer material has the characteristics of high temperature resistance, heat resistance, low density, low cost, good flame retardant property and the like, and has low preparation temperature, simple process, low energy consumption and the like, and is applied to the fields of buildings, refractory materials and aviation. However, the inherent brittleness, poor toughness, low mechanical strength, etc. of inorganic polymer materials severely limit the application range.

The carbon fiber felt is used as a three-dimensional form of the carbon fiber, and has the advantages of large specific surface area, good adsorption performance, wide source, low cost and the like.

At present, the carbon fiber felt reinforced inorganic polymer matrix composite material has high manufacturing cost and poor heat resistance, can not be stably used at a high temperature, and has low strength.

Disclosure of Invention

Based on the technical problems of high manufacturing cost, poor heat resistance, incapability of being stably used at a high temperature and low strength of the carbon fiber felt reinforced inorganic polymer matrix composite in the background art, the invention provides the carbon fiber felt reinforced inorganic polymer matrix composite and the preparation method thereof.

The invention provides a carbon fiber felt reinforced inorganic polymer matrix composite material which comprises the following raw materials in parts by weight: 80-84 parts of metakaolin powder, 42-46 parts of potassium hydroxide, 5-9 parts of absolute ethyl alcohol, 1-5 parts of carbon fiber, 5-9 parts of potassium persulfate, 26-30 parts of silane coupling agent, 15-19 parts of tetrafluoropropene, 12-16 parts of polyorganosiloxane, 10-14 parts of dimethyl ether and 11-15 parts of deionized water.

Preferably, the feed comprises the following raw materials in parts by weight: 81-83 parts of metakaolin powder, 43-45 parts of potassium hydroxide, 6-8 parts of absolute ethyl alcohol, 2-4 parts of carbon fiber, 6-8 parts of potassium persulfate, 27-29 parts of silane coupling agent, 16-18 parts of tetrafluoropropene, 13-15 parts of polyorganosiloxane, 11-13 parts of dimethyl ether and 12-14 parts of deionized water.

Preferably, the feed comprises the following raw materials in parts by weight: 82 parts of metakaolin powder, 44 parts of potassium hydroxide, 7 parts of absolute ethyl alcohol, 3 parts of carbon fiber, 7 parts of potassium persulfate, 28 parts of silane coupling agent, 17 parts of tetrafluoropropene, 14 parts of polyorganosiloxane, 12 parts of dimethyl ether and 13 parts of deionized water.

A preparation method of a carbon fiber felt reinforced inorganic polymer matrix composite material comprises the following steps:

s1: weighing 80-84 parts of metakaolin powder, 42-46 parts of potassium hydroxide, 5-9 parts of absolute ethyl alcohol, 1-5 parts of carbon fiber, 5-9 parts of potassium persulfate, 26-30 parts of silane coupling agent, 15-19 parts of tetrafluoropropene, 12-16 parts of polyorganosiloxane, 10-14 parts of dimethyl ether and 11-15 parts of deionized water for later use;

s2: adding potassium hydroxide, potassium persulfate, tetrafluoropropene, polyorganosiloxane, dimethyl ether and deionized water into a mixer for stirring treatment, and gradually adding metakaolin powder in the stirring process to obtain a mixture;

s3: adding absolute ethyl alcohol and a silane coupling agent into a stirrer for stirring treatment, and soaking the carbon fibers in the stirrer after stirring;

s4: taking the soaked carbon fibers out of the stirrer, and then putting the carbon fibers into a dryer for drying treatment;

s5: compacting and tabletting the dried carbon fibers, and then uniformly coating the mixture in the S2 on the carbon fibers;

s6: and (4) compacting the carbon fibers in the S5, and drying the carbon fibers after compacting to obtain the carbon fiber felt reinforced inorganic polymer matrix composite.

Preferably, in S2, the volume of the mixer is 0.5-40L, and the rotation speed of the mixer is set to be 120-140 r/min.

Preferably, in the step S3, the rotation speed of the stirrer is set to be 60-80r/min, the stirring time of the stirrer is set to be 10-15min, and the soaking time is set to be 80-100 min.

Preferably, in the step S4, the temperature of the dryer is set to be 120-160 ℃, and the drying time is set to be 70-90 min.

Preferably, in S6, the pressing time is set to 2-3h, the drying temperature is set to 60-80 ℃, and the drying time is set to 5-8 h.

The invention has the beneficial effects that: firstly, adding potassium hydroxide, potassium persulfate, tetrafluoropropene, polysiloxane, dimethyl ether and deionized water into a mixer for stirring treatment, adding metakaolin powder to obtain a mixture, then putting carbon fibers into a mixed solution of absolute ethyl alcohol and a silane coupling agent for soaking, then coating the mixture on the carbon fibers, and then compressing and drying the carbon fibers.

The preparation method disclosed by the invention is simple in preparation process and low in preparation cost, and the prepared carbon fiber felt reinforced inorganic polymer matrix composite material is good in heat resistance, can be stably used at a high temperature and is high in strength.

Detailed Description

The present invention will be further illustrated with reference to the following specific examples.