Graphene nano corrosion-resistant fireproof thermal insulation material

A fire-proof, thermal-insulation and corrosion-resistant technology, applied in the field of building thermal insulation materials, can solve problems such as mechanical properties corrosion of thermal insulation materials, achieve high dimensional stability, improve dimensional stability, and enhance the effect of use.

Inactive Publication Date: 2020-04-21
舒玉辉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the technical problems of mechanical properties, corrosion and fire prevention of thermal insul

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0022] Example 1

[0023] A graphene nano-corrosion-resistant fire-proof insulation material, comprising 50g graphene dispersion, 15g cement clinker, 15g montmorillonite, 6g allophane, 3g brucite fiber, 2g fluff powder; 1g iron oxide powder; 1g Chlorinated paraffin; 2g silica sol, 3g polyurethane, 5g phenolic resin and 4.8g flame retardant.

[0024] The flame retardant is obtained by adding a mixture of paraffin wax with 16 carbon atoms into a beaker, heating and melting at a temperature of 35°C, and adding pasteurized wax 0.3 times the mass of the paraffin wax to the melted paraffin. Bacillus, stir and mix for 30 minutes at a temperature of 30°C and a rotational speed of 300r / min to obtain a paraffin wax mixture. The paraffin wax mixture is frozen and crushed to obtain pretreated Bacillus pasteurianus; 1.5 g of pretreated Bacillus pasteurianus and Mix 1.2 g of urea and 1.8 g of calcium nitrate to obtain 4.8 g of flame retardant.

[0025] The specific preparation method of the grap...

Example Embodiment

[0028] Example 2

[0029] A graphene nano-corrosion-resistant fire-proof insulation material, 60g graphene dispersion, 25g cement clinker, 20g montmorillonite, 8g allophane, 4g brucite fiber, 3g fluff powder; 2g iron oxide powder; 2g chlorine Fossil wax; 2g silica sol, 4g polyurethane, 6g phenolic resin and 3g flame retardant.

[0030] The flame retardant is obtained by adding a mixture of paraffin wax with a carbon number of 24 to a beaker, heating and melting at a temperature of 35°C, and adding 0.5 times the mass of the melted paraffin to the melted paraffin wax. Bacillus was stirred and mixed for 30 minutes at a temperature of 36°C and a rotational speed of 300r / min to obtain a paraffin mixture. The paraffin mixture was frozen and pulverized to obtain pretreated Bacillus Pasteurella. Mix 1.5g of pretreated Bacillus Pasteurella with Mix 1.2 g of urea and 0.8 g of calcium nitrate to obtain 3 g of flame retardant.

[0031] The specific preparation method of the graphene dispersion...

Example Embodiment

[0034] Example 3

[0035] A graphene nano-corrosion-resistant fire-proof insulation material, 40g graphene dispersion, 15g cement clinker, 15g montmorillonite, 6g allophane, 3g brucite fiber, 3g fluff powder; 2g iron oxide powder; 2g chlorine Fossil wax; 2g silica sol, 4g polyurethane, 7g phenolic resin and 3g flame retardant.

[0036] The flame retardant is obtained by adding a paraffin wax mixture with a carbon number of 24 to a beaker, heating and melting at a temperature of 35°C, and adding 0.4 times the mass of the melted paraffin to the melted paraffin wax. Bacillus, stir and mix for 30 minutes at a temperature of 36°C and a rotational speed of 300r / min to obtain a paraffin wax mixture. The paraffin wax mixture is frozen and pulverized to obtain pretreated Bacillus pasteurianus. Mix 1g of urea and 1.5g of calcium nitrate to obtain 3g of flame retardant.

[0037] The specific preparation method of the graphene dispersion is as follows:

[0038] (1) Preparation of dispersion: ad...

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PUM

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Abstract

The invention relates to a graphene nano corrosion-resistant fireproof thermal insulation material, comprising, by mass, 40-60 parts of graphene dispersion liquid; 15-30 parts of cement clinker; 15-25parts of montmorillonite; 6-8 parts of allophane; 3-4 parts of brucite fibers; 2-3 parts of fluff powder; 1-2 parts of iron oxide powder; 1-2 parts of chlorinated paraffin; 2-4 parts of silica sol; 3-4 parts of polyurethane and 5-7 parts of phenolic resin. The disclosed material solves the technical problems of mechanical properties and corrosion of thermal insulation materials, ensures full mixing of the graphene dispersion liquid and the thermal insulation material, has improved thermal insulation performance, and has extremely high mechanical properties, corrosion resistance and fire resistance, and improved use effect.

Description

technical field [0001] The invention belongs to the field of building thermal insulation materials, and in particular relates to a graphene nano-corrosion-resistant fireproof and thermal insulation material. Background technique [0002] Graphene is one of the materials with the highest strength known, and it also has good toughness and can be bent. The theoretical Young's modulus of graphene reaches 1.0TPa, and its inherent tensile strength is 130GPa. The reduced graphene modified by hydrogen plasma also has very good strength, and the average modulus can be greater than 0.25TPa. Graphite paper composed of graphene flakes has many pores, so graphite paper is very brittle. However, functionalized graphene obtained through oxidation, and then graphite paper made from functionalized graphene will be extremely strong and tough. Applying the excellent mechanical properties of graphene to the field of building insulation materials can greatly improve the mechanical strength of c...

Claims

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Application Information

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IPC IPC(8): C04B28/00C01B32/194C04B111/28
CPCC01B32/194C04B28/00C04B2111/28C04B14/024C04B14/104C04B22/06C04B24/36C04B14/062C04B2103/63C04B24/282C04B24/302
Inventor 舒玉辉
Owner 舒玉辉
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