WO2018107862A1

WO2018107862A1 - Flame-retardant, mould-proof, and fade-proof construction thermal insulation external wall

Info

Publication number: WO2018107862A1
Application number: PCT/CN2017/104366
Authority: WO
Inventors: 赖群广
Original assignee: 赖群广
Priority date: 2016-12-15
Filing date: 2017-09-29
Publication date: 2018-06-21
Also published as: CN108218370A

Abstract

A flame-retardant, mould-proof, and fade-proof construction thermal insulation external wall, comprising a base layer and a flame-retardant and mould-proof coating. The base layer is coated with the flame-retardant and mould-proof coating and comprises the following raw materials in parts by weight: a composite fiber material: 9-16 parts; perlite: 6-8 parts; flyash: 4-8 parts; nano-calcium sulfate: 7-11 parts; stannous chloride: 2-4 parts; modified diatomaceous earth: 30-40 parts; brucite: 5-10 parts; dispersible adhesive powder: 1-3 parts; hydroxypropyl methyl cellulose: 1-3 parts; ordinary portland cement: 20-30 parts; construction anion powder: 5-15 parts; urea resin: 10-20 parts; polysulfonamide fiber: 1-3 parts; lauryl sodium sulfate: 0.2-0.8 parts; methylcellulose: 0.3-0.5 parts; and sodium hexametaphosphate: 0.3-0.5 parts. The thermal insulation layer comprises the following raw materials in parts by weight: magnesium hydroxide: 4-8 parts; xanthan gum: 3-6 parts; diesters of fumaric acid: 5-8 parts; stearic acid: 3.5-7 parts; linear low density polyethylene: 3-6 parts; nitrile rubber: 4-10 parts; aluminium dihydrogen phosphate: 5-7 parts; ammonium polyphosphate with crystalline form II: 10-14 parts; clam shell powder: 4-10 parts; oleamide: 6-8 parts: mica powder: 5-10 parts; a coupling agent: 1-5 parts; a dispersing agent: 3-5 parts; a fire retardant agent: 0.1-1 parts; polyvinyl butyral: 5-10 parts; and water: 5-9 parts.The flame-retardant, mould-proof, and fade-proof construction thermal insulation external wall has strong thermal insulation performance, and is less prone to hollowing, cracking, chalking, dewing and peeling, as well as signs of mould.

Description

Title: Inventive name: a flame retardant, mildew, anti-leg color building insulation exterior wall

[0001] The present invention relates to a flame retardant, mildewproof, legging-resistant building insulation exterior wall, and more particularly to the field of building materials.

Background technique

[0002] Building materials, materials used in buildings are collectively referred to as building materials. New types of building materials cover a wide range of materials, including insulation, insulation, high-strength materials, and materials that breathe. Building materials are a collective term for materials used in civil engineering and construction.

[0003] Building materials can be divided into structural materials, decorative materials, and certain specialized materials. Structural materials include wood, bamboo, stone, cement, concrete, metal, brick, ceramic, glass, engineering plastics, composites, etc.; decorative materials include various coatings, paints, coatings, veneers, various tiles, special effects Glass, etc.; special materials are used for waterproofing, moisture proof, anti-corrosion, fireproofing, flame retardant, sound insulation, heat insulation, heat preservation, sealing, etc.

[0004] In recent years, with the rapid development of urban construction, building materials are being promoted and applied in a large area. However, the thermal insulation properties and adhesion of the external walls of the building are poor, and the walls often appear hollow, chapped, powdered, Condensation, prone to shedding, especially after using a period of time, the exterior paint is exposed to sunlight and rain. Especially in the southern part of China, due to the long rainy season, mildew is also likely to occur, resulting in a decline in the quality of the wall, which affects the appearance of the wall.

technical problem

[0005] The external thermal insulation performance and adhesion of the building exterior wall are poor. The wall often has hollow drums, splitting, chalking, condensation, and easy to fall off. After using a section of the wall, the exterior wall paint is in the sunlight and This is especially true under the influence of rain.

Problem solution

Technical solution

[0006] In order to solve the above technical problem, the technical solution of the present invention is:

[0007] A flame retardant, mildewproof, legging-proof building thermal insulation exterior wall comprising a base layer and a flame retardant mildew resistant coating, said flame retardant mildew proof The coating is applied to the base layer, and the base layer comprises the following raw materials by weight: 9-16 parts of composite fiber material, 6-8 parts of perlite, 4-8 parts of fly ash, 7-11 parts of nano calcium sulfate, chlorine 2-4 parts of stannous, 30-4 0 parts of modified diatomaceous earth, 5-10 parts of brucite, 1-3 parts of redispersible powder, 1-3 parts of hydroxypropyl methylcellulose, common 20-30 parts of Portland cement, 5-15 parts of negative ion powder for construction, 10-20 parts of urea-formaldehyde resin, 1-3 parts of polysulfonamide fiber, 0.2-0.8 parts of sodium lauryl sulfate, methyl cellulose 0.3 - 0.5 parts, sodium hexametaphosphate 0.3-0.5 parts; the heat insulating layer comprises the following raw materials by weight: 4-8 parts of magnesium hydroxide, 3-6 parts of xanthan gum, 5-8 parts of fumaric acid diester, 3.5-7 parts of stearic acid, 3-6 parts of linear low-density polyethylene, 4-10 parts of nitrile rubber, 5-7 parts of diammonium phosphate, 10-14 parts of crystalline bismuth ammonium polyphosphate, clam shell powder 4 -10 parts, 6-8 parts of oleamide, 5-10 parts of mica powder, 1-5 parts of coupling 1J, 3-5 parts of dispersing agent, 0.1-1 part of flame retardant, polyvinyl butyral 5- 10 parts, 5-9 parts of water.

[0008] Further, the base layer comprises the following raw materials by weight: 9 parts of composite fiber material, 6 parts of perlite, 4 parts of fly ash, 7 parts of nano calcium sulfate, 2 parts of stannous chloride, modified diatom 30 parts of soil, 5 parts of brucite, 1 part of redispersible rubber powder, 1 part of hydroxypropyl methylcellulose, 20 parts of ordinary Portland cement, 5 parts of building anion powder, 10 parts of urea-formaldehyde resin, aryl sulfone 1 part of rayon fiber, 0.2 part of sodium lauryl sulfate, 0.3 part of methylcellulose, 0.3 part of sodium hexametaphosphate; the heat insulating layer comprises the following raw materials by weight: 4 parts of magnesium hydroxide, 3 parts of xanthan gum 5 parts of fumaric acid diester, 3.5 parts of stearic acid, 3 parts of linear low-density polyethylene, 4 parts of nitrile rubber, 5 parts of diammonium phosphate, 10 parts of crystalline bismuth ammonium polyphosphate, 4 parts of oyster shell powder 6 parts of oleamide, 5 parts of mica powder, 1 part of coupling agent, 3 parts of dispersant, 0.1 part of flame retardant, 5 parts of polyvinyl butyral, and 5 parts of water.

[0009] Further, the base layer comprises the following raw materials by weight: 16 parts of composite fiber material, 8 parts of perlite, 8 parts of fly ash, 11 parts of nano calcium sulfate, 4 parts of stannous chloride, modified diatom 40 parts of soil, 10 parts of brucite, 3 parts of redispersible rubber powder, 3 parts of hydroxypropyl methylcellulose, 30 parts of ordinary Portland cement, 15 parts of building anion powder, 20 parts of urea-formaldehyde resin, aryl sulfone 3 parts of rayon, 0.8 parts of sodium lauryl sulfate, 0.5 parts of methylcellulose, 0.5 parts of sodium hexametaphosphate; the insulation layer comprises the following raw materials by weight: 8 parts of magnesium hydroxide, 6 parts of xanthan gum , 8 parts of fumaric acid diester, 7 parts of stearic acid, 6 parts of linear low-density polyethylene, 10 parts of nitrile rubber, 7 parts of diammonium phosphate, 14 parts of crystalline bismuth ammonium polyphosphate, 蛤 shell powder 10 A portion, 8 parts of oleamide, 10 parts of mica powder, 5 parts of a coupling agent, 5 parts of a dispersing agent, 1 part of a flame retardant, 10 parts of polyvinyl butyral, and 9 parts of water.

[0010] Further, the base layer comprises the following raw materials by weight: 12.5 parts of composite fiber material, 7 parts of perlite, 6 parts of fly ash, 9 parts of nano calcium sulfate, 3 parts of stannous chloride, modified diatom 35 parts of soil, 7.5 parts of brucite, 2 parts of redispersible rubber powder, 2 parts of hydroxypropyl methylcellulose, 25 parts of ordinary Portland cement, negative for building 10 parts of sub-powder, 15 parts of urea-formaldehyde resin, 2 parts of polysulfonamide fiber, 0.5 parts of sodium lauryl sulfate, 0.4 parts of methylcellulose, 0.4 parts of sodium hexametaphosphate; the heat-insulating layer comprises the following raw materials by weight : 6 parts of magnesium hydroxide, 4.5 parts of xanthan gum, 6.5 parts of fumaric acid diester, 4.75 parts of stearic acid, 4.5 parts of linear low-density polyethylene, 7 parts of nitrile rubber, 6 parts of diammonium phosphate, crystallization Π 12 parts of ammonium polyphosphate, 7 parts of clam shell powder, 7 parts of oleamide, 7.5 parts of mica powder, 3 parts of coupling agent, 4 parts of dispersant, 0.5 part of flame retardant, 7.5 parts of polyvinyl butyral, water 7 copies.

[0011] Further, the coupling agent is a silane coupling agent.

[0012] Further, the dispersing agent is polyethylene glycol.

[0013] Further, the flame retardant is silica.

Advantageous effects of the invention

Beneficial effect

[0014] The polysulfonamide fiber is used, and the polysulfonamide fiber introduces a p-benzene structure and a sulfone group in the production of hydrazine, and the amide group and the sulfone group are bonded to each other to form a linear macromolecule. Due to the strong electron-withdrawing sulfone group -(S02)- on the main chain of the macromolecule, the electron cloud density of the nitrogen atom on the amide group is marked by the conjugated system of the benzene ring through the double bond conjugated action of the benzene ring. Reduced, so has outstanding heat and flame resistance, its long-term use temperature is 250 ° C, the use of industrial waste fly ash, greatly reducing production costs, while reducing pollution, fly ash can change the increase of concrete Concrete viscosity, reduce segregation and bleeding, reduce the temperature rise of concrete due to hydration, reduce or eliminate the base reaction in concrete, and also save the amount of cement; It can further protect and preserve the exterior wall of the building, preventing the wall from hollowing, cracking, chalking, condensation and falling off.

BEST MODE FOR CARRYING OUT THE INVENTION

[0015] A flame retardant, mildewproof, legging-resistant building thermal insulation exterior wall comprising a base layer and a flame retardant mildew resistant coating, the flame retardant mildew resistant coating applied to the base layer, the base layer comprising the following parts by weight of the raw material : 9 parts of composite fiber material, 6 parts of perlite, 4 parts of fly ash, 7 parts of nano-sulphate, 2 parts of stannous chloride, 30 parts of modified diatomaceous earth, 5 parts of brucite, redispersible powder 1 part, 1 part of hydroxypropyl methylcellulose, 20 parts of ordinary Portland cement, 5 parts of building anion powder, 10 parts of urea-formaldehyde resin, 1 part of polysulfonamide fiber, 0.2 part of sodium lauryl sulfate, A 0.3 parts of cellulose, 0.3 parts of sodium hexametaphosphate; the heat insulating layer comprises the following raw materials by weight: magnesium hydroxide 4 Parts, 3 parts of xanthan gum, 5 parts of fumaric acid diester, 3.5 parts of stearic acid, 3 parts of linear low-density polyethylene, 4 parts of nitrile rubber, 5 parts of diammonium phosphate, and crystalline bismuth ammonium polyphosphate 10 , 4 parts of clam shell powder, 6 parts of oleamide, 5 parts of mica powder, 1 part of coupling agent, 3 parts of dispersant, 0.1 part of flame retardant, 5 parts of polyvinyl butyral, 5 parts of water, The coupling agent is a silane coupling agent, the dispersing agent is polyethylene glycol, and the flame retardant is silica.

[0016] A method for preparing a flame retardant, mildewproof, anti-leg color building thermal insulation exterior wall, comprising the following steps:

[0017] 1) at room temperature, 9 parts of composite fiber material, 6 parts of perlite, 4 parts of fly ash, 7 parts of nano calcium sulfate, 2 parts of stannous chloride, and 30 parts of modified diatomaceous earth are added to ordinary silicon. 20 parts of the acid cement, stirred for 30 minutes; [0018] 2) 5 parts of brucite, 1 part of redispersible powder, 1 part of hydroxypropyl methylcellulose, 5 parts of building anion powder, stirring 1 hour to get the mixture A;

[0019] 3) 10 parts of urea-formaldehyde resin, 1 part of polysulfonamide fiber, 0.2 parts of sodium lauryl sulfate, 0.3 parts of methylcellulose, 0.3 parts of sodium hexametaphosphate were added to the mixture A, and stirred for another 30 minutes. Obtaining mixture B;

[0020] 4) pouring the mixture B into a mold, drying at 105 ° C for 10 minutes, and then press molding;

[0021] 5) The shaped body is placed in a vacuum oven at 120 ° C / 30 minutes + 150 ° C / 40 minutes + 180

°C / 30 minutes of process curing, to obtain the base layer;

[0022] 6) 4 parts of magnesium hydroxide, 3 parts of xanthan gum, 5 parts of fumaric acid diester, stearic acid are sequentially added to the stirring vessel

3.5 parts, 3 parts of linear low-density polyethylene, 4 parts of nitrile rubber, and 5 parts of diammonium hydrogen phosphate, mix well and mix well;

[0023] 7) continue to add 10 parts of crystalline bismuth ammonium polyphosphate, 4 parts of oyster shell powder, 6 parts of oleamide, 5 parts of mica powder, 1 part of coupling agent, 3 parts of dispersant, 0.1 part of flame retardant, poly 5 parts of vinyl butyral, 5 parts of water, thoroughly mixed and stirred to obtain a coating;

[0024] 8) Applying the coating in step 7 to the upper surface of the base layer, thereby obtaining a flame retardant, mildewproof, anti-legged building insulation.

Embodiments of the invention

[0025] Example 1 :

[0026] A flame retardant, mildewproof, legging-resistant building thermal insulation exterior wall comprising a base layer and a flame retardant mildew resistant coating, the flame retardant mildew resistant coating applied to a base layer, the base layer comprising the following parts by weight of raw materials : 9 parts of composite fiber material, 6 parts of perlite, 4 parts of fly ash, 7 parts of nano-sodium sulphate, 2 parts of stannous chloride, 30 parts of modified diatomaceous earth, brucite 5 Parts, 1 part of redispersible powder, 1 part of hydroxypropyl methylcellulose, 20 parts of ordinary Portland cement, 5 parts of building anion powder, 10 parts of urea-formaldehyde resin, 1 part of polysulfonamide fiber, dodecane 0.2 parts of sodium sulfate, 0.3 parts of methylcellulose, 0.3 parts of sodium hexametaphosphate; the insulating layer comprises the following raw materials by weight: 4 parts of magnesium hydroxide, 3 parts of xanthan gum, 5 parts of fumaric acid diester 3.5 parts of stearic acid, 3 parts of linear low-density polyethylene, 4 parts of nitrile rubber, 5 parts of diammonium phosphate, 10 parts of crystalline bismuth ammonium polyphosphate, 4 parts of oyster shell powder, 6 parts of oleamide, mica powder 5 parts, 1 part of coupling agent, 3 parts of dispersing agent, 0.1 part of flame retardant, 5 parts of polyvinyl butyral, and 5 parts of water, the coupling agent is a silane coupling agent, and the dispersing agent is poly Ethylene glycol, the flame retardant is silica.

[0027] A method for preparing a flame retardant, mildewproof, anti-leg color building thermal insulation exterior wall, comprising the following steps:

[0028] 1) at room temperature, 9 parts of composite fiber material, 6 parts of perlite, 4 parts of fly ash, 7 parts of nano calcium sulfate, 2 parts of stannous chloride, and 30 parts of modified diatomaceous earth are added to ordinary silicon. 20 parts of the acid cement, stirred for 30 minutes;

2) 5 parts of brucite, 1 part of redispersible powder, 1 part of hydroxypropyl methylcellulose, 5 parts of building negative ion powder, stirred for 1 hour to obtain mixture A;

[0030] 3) Adding 10 parts of urea formaldehyde resin, 1 part of polysulfonamide fiber, 0.2 part of sodium lauryl sulfate, 0.3 part of methylcellulose, 0.3 part of sodium hexametaphosphate to the mixture A, and stirring again for 30 minutes. Obtaining mixture B;

[0031] 4) pouring the mixture B into a mold, drying at 105 ° C for 10 minutes, and then press molding;

[0032] 5) The shaped body is placed in a vacuum oven at 120 ° C / 30 minutes + 150 ° C / 40 minutes + 180

°C / 30 minutes of process curing, to obtain the base layer;

[0033] 6) 4 parts of magnesium hydroxide, 3 parts of xanthan gum, 5 parts of fumaric acid diester, stearic acid are sequentially added to the stirring vessel

7) Continue to add 10 parts of crystalline bismuth ammonium polyphosphate, 4 parts of oyster shell powder, 6 parts of oleamide, 5 parts of mica powder, 1 part of coupling agent, 3 parts of dispersant, 0.1 part of flame retardant, polyvinyl alcohol 5 parts of butyraldehyde, 5 parts of water, thoroughly mixed and stirred to obtain a coating;

[0035] 8) coating the coating in step 7 on the upper surface of the base layer, thereby obtaining a flame retardant, mildewproof, legging-proof building insulation

I back.

[0036] Example 2:

[0037] A flame retardant, mildewproof, legging-resistant building thermal insulation exterior wall comprising a base layer and a flame retardant mildew resistant coating, the flame retardant mildew resistant coating applied to the base layer, the base layer comprising the following parts by weight : 16 parts of composite fiber material, Jane 8 parts of pearl, 8 parts of fly ash, 11 parts of nano-sulphate, 4 parts of stannous chloride, 40 parts of modified diatomaceous earth, 10 parts of brucite, 3 parts of redispersible powder, hydroxypropyl group 3 parts of cellulose, 30 parts of ordinary Portland cement, 15 parts of building anion powder, 20 parts of urea-formaldehyde resin, 3 parts of polysulfonamide fiber, 0.8 parts of sodium lauryl sulfate, 0.5 parts of methyl cellulose, six 0.5 parts by weight of sodium metaphosphate; the heat insulating layer comprises the following raw materials by weight: 8 parts of magnesium hydroxide, 6 parts of xanthan gum, 8 parts of fumaric acid diester, 7 parts of stearic acid, 6 parts of linear low density polyethylene 10 parts of butyl rubber, 7 parts of diammonium phosphate, 14 parts of crystalline bismuth ammonium polyphosphate, 10 parts of oyster shell powder, 8 parts of oleamide, 10 parts of mica powder, 5 parts of coupling agent, 5 parts of dispersing agent, 1 part of flame retardant, 10 parts of polyvinyl butyral, and 9 parts of water, the coupling agent is a silane coupling agent, the dispersing agent is polyethylene glycol, and the flame retardant is silica.

[0038] A method for preparing a flame retardant, mildewproof, anti-leg color building thermal insulation exterior wall, comprising the following steps:

[0039] 1) At room temperature, 16 parts of composite fiber material, 8 parts of perlite, 8 parts of fly ash, and 11 parts of nanometer calcium sulfate

4 parts of stannous chloride and 40 parts of modified diatomaceous earth were added to 30 parts of ordinary Portland cement and stirred for 30 minutes; [0040] 2) 10 parts of brucite and 3 parts of redispersible rubber powder were added. , 3 parts of hydroxypropyl methylcellulose, 15 parts of negative ion powder for construction, stirred for 1 hour to obtain mixture A;

[0041] 3) Adding 20 parts of urea-formaldehyde resin, 3 parts of polysulfonamide fiber, 0.8 parts of sodium lauryl sulfate, 0.5 part of methylcellulose, 0.5 part of sodium hexametaphosphate to the mixture A, and stirring again for 30 minutes. Obtaining mixture B;

[0042] 4) pouring the mixture B into a mold, drying at 105 ° C for 10 minutes, and then press molding;

[0043] 5) The shaped body is placed in a vacuum oven at 120 ° C / 30 minutes + 150 ° C / 40 minutes + 180

°C / 30 minutes of process curing, to obtain the base layer;

[0044] 6) 8 parts of magnesium hydroxide, 6 parts of xanthan gum, 8 parts of fumaric acid diester, stearic acid are sequentially added to the stirring vessel

7 parts, 6 parts of linear low-density polyethylene, 10 parts of nitrile rubber, and 7 parts of diammonium hydrogen phosphate, mix well and mix well;

[0045] 7) continue to add 14 parts of crystalline bismuth ammonium polyphosphate, 10 parts of oyster shell powder, 8 parts of oleamide, 10 parts of mica powder, 5 parts of coupling agent, 5 parts of dispersant, 1 part of flame retardant, poly 10 parts of vinyl butyral, 9 parts of water, thoroughly mixed and stirred to obtain a coating;

[0046] 8) Applying the coating in step 7 to the upper surface of the base layer, thereby obtaining a flame retardant, mildewproof, anti-leg color building insulation.

Example 3: [0048] A flame retardant, mildewproof, legging-resistant building thermal insulation exterior wall comprising a base layer and a flame retardant mildew resistant coating, the flame retardant mildew resistant coating applied to a base layer, the base layer comprising the following parts by weight of raw materials : 12.5 parts of composite fiber material, 7 parts of perlite, 6 parts of fly ash, 9 parts of nano-sulphate, 3 parts of stannous chloride, 35 parts of modified diatomaceous earth, 7.5 parts of brucite, redispersible powder 2 parts, 2 parts of hydroxypropyl methylcellulose, 25 parts of ordinary Portland cement, 10 parts of building anion powder, 15 parts of urea-formaldehyde resin, 2 parts of polysulfonamide fiber, 0.5 parts of sodium lauryl sulfate, A 0.4 parts of cellulose and 0.4 parts of sodium hexametaphosphate; the heat insulating layer comprises the following raw materials by weight: 6 parts of magnesium hydroxide, 4.5 parts of xanthan gum, 6.5 parts of fumaric acid diester, 4.75 parts of stearic acid, 4.5 parts of linear low-density polyethylene, 7 parts of nitrile rubber, 6 parts of diammonium phosphate, 12 parts of crystalline bismuth ammonium polyphosphate, 7 parts of oyster shell powder, 7 parts of oleamide, 7.5 parts of mica powder, coupling agent 3 4 parts, dispersant 4 parts, flame retardant 0.5 parts, polyvinyl butyral 7.5 parts, water 7 parts, the coupling agent is silane coupling , The dispersing agent is a polyethylene glycol, the flame retardant is silica.

[0049] A method for preparing a flame retardant, mildewproof, anti-leg color building thermal insulation exterior wall, comprising the following steps:

[0050] 1) at room temperature, 12.5 parts of composite fiber material, 7 parts of perlite, 6 parts of fly ash, 9 parts of nano calcium sulfate, 3 parts of stannous chloride, and 35 parts of modified diatomaceous earth are added to ordinary silicon. 25 parts of the acid cement, stirred for 30 minutes;

2) Add 7.5 parts of brucite, 2 parts of redispersible powder, 2 parts of hydroxypropyl methylcellulose, 10 parts of building negative ion powder, stir for 1 hour to obtain mixture A;

[0052] 3) Adding 15 parts of urea formaldehyde resin, 2 parts of polysulfonamide fiber, 0.5 part of sodium lauryl sulfate, 0.4 part of methylcellulose, 0.4 part of sodium hexametaphosphate to the mixture A, and stirring again for 30 minutes. Obtaining mixture B;

[0053] 4) pouring the mixture B into a mold, drying at 105 ° C for 10 minutes, and then press molding;

[0054] 5) placing the shaped body in a vacuum oven at 120 ° C / 30 minutes + 150 ° C / 40 minutes + 180

°C / 30 minutes of process curing, to obtain the base layer;

[0055] 6) 6 parts of magnesium hydroxide, 4.5 parts of xanthan gum, 6.5 parts of fumaric acid diester, 4.75 parts of stearic acid, 4.5 parts of linear low density polyethylene, and 7 parts of nitrile rubber were sequentially added to the stirring vessel. , 6 parts of diammonium hydrogen phosphate, thoroughly mixed and stirred for use;

7) Continue to add 12 parts of crystalline bismuth ammonium polyphosphate, 7 parts of oyster shell powder, 7 parts of oleamide, 7.5 parts of mica powder, 3 parts of coupling agent, 4 parts of dispersant, 0.5 parts of flame retardant, polyvinyl alcohol 7.5 parts of butyraldehyde and 7 parts of water, thoroughly mixed and stirred to obtain a coating;

[0057] 8) applying the coating in step 7 to the upper surface of the base layer, thereby obtaining a flame retardant, mildewproof, legging-proof building insulation [0058] Experimental example:

[0059] The flame-retardant, mildew-proof and anti-fading building exterior wall prepared by the invention and the existing building exterior wall are tested according to GB/T1964-1 996 test compressive strength, GB/T15231-2008, and the impact strength of each wall brick is tested. Lime bursting and weathering resistance were tested (28 days later) and GB 13544-2000, as shown in the table below:

[0060] It can be seen that the flame-retardant, mildew-proof and anti-fading building exterior wall prepared by the invention has better compressive strength and impact strength than the existing strength, and the anti-weathering and anti-burst performance are more excellent. At the same time, the anti-corrosion and anti-mildew experiments of the flame-retardant, mildew-proof and anti-fading building exterior wall prepared by the invention were not found to be unqualified.

[0061] The technical effects of the present invention are mainly embodied in the following aspects: The polysulfonamide fiber is used, and the polysulfonamide fiber enters the p-phenyl structure and the sulfone group in the production of the oxime, and the amide group and the sulfone group are bonded to the paraphenyl group. And a meta-phenyl group constitutes a linear macromolecule. Due to the strong electron-withdrawing sulfone group -(S02)- on the main chain of the macromolecule, the electron cloud density of the nitrogen atom on the amide group is marked by the conjugated system of the benzene ring through the double bond conjugated action of the benzene ring. Reduced, so has outstanding heat and flame resistance, its long-term use temperature is 250 ° C, the use of industrial waste fly ash, greatly reducing production costs, while reducing pollution, fly ash can change the increase of concrete Concrete viscosity, reduce segregation and bleeding, reduce the temperature rise of concrete due to hydration, reduce or eliminate the base reaction in concrete, and also save the amount of cement; It can further protect and preserve the exterior wall of the building, preventing the wall from hollowing, cracking, chalking, condensation and falling off.

[0062] Of course, the above is only a typical example of the present invention. In addition, the present invention may have other specific embodiments, and any technical solution formed by equivalent replacement or equivalent transformation falls within the requirements of the present invention. Within the scope of protection.

Industrial applicability

The invention can save the amount of cement; the special coating layer can be combined with the special coating layer to further protect and prevent the external wall of the building, and prevent the wall from hollowing, cracking, chalking, condensation and falling off.

Claims

Claim

[Claim 1] A flame retardant, mildewproof, legging-resistant building thermal insulation exterior wall comprising a base layer and a flame retardant mildew resistant coating, the flame retardant mildew resistant coating being applied to a base layer, wherein the base layer Including the following parts by weight: 9-16 parts of composite fiber material, 6-8 parts of perlite, 4-8 parts of fly ash, 7-11 parts of nano calcium sulfate, 2-4 parts of stannous chloride, modified silicon 30-40 parts of algae, 5-10 parts of brucite, 1-3 parts of redispersible powder, 1-3 parts of hydroxypropyl methylcellulose, 20-30 parts of ordinary Portland cement, negative ions for construction 5-15 parts of powder, 10-20 parts of urea-formaldehyde resin, 1-3 parts of polysulfonamide fiber, 0.2-0.8 parts of sodium lauryl sulfate, 0.3-0.5 parts of methylcellulose, sodium hexametaphosphate 0.3-0. 5 parts; the heat insulating layer comprises the following raw materials by weight: 4-8 parts of magnesium hydroxide, 3-6 parts of xanthan gum, 5-8 parts of fumaric acid diester, 3.5-7 parts of stearic acid, linear low 3-6 parts of density polyethylene, 4-10 parts of nitrile rubber, 5-7 parts of diammonium phosphate, 10-14 parts of crystalline bismuth ammonium polyphosphate, 4-10 parts of oyster shell powder, 6-8 parts of oleamide , 5-10 parts of mica powder, coupled The preparation is 1-5 parts, the dispersing agent is 3-5 parts, the flame retardant is 0.1-1 part, the polyvinyl butyral is 5-10 parts, and the water is 5-9 parts.

[Claim 2] The flame-retardant, mold-proof and leg-proof building thermal insulation exterior wall according to claim 1, wherein: the base layer comprises the following raw materials by weight: 9 parts of composite fiber material, 6 parts of perlite, powder 4 parts of coal ash, 7 parts of nano-sized calcium sulfate, 2 parts of stannous chloride, 30 parts of modified diatomaceous earth, 5 parts of brucite, 1 part of redispersible rubber powder, 1 part of hydroxypropyl methylcellulose, 20 parts of ordinary Portland cement, 5 parts of building anion powder, 10 parts of urea-formaldehyde resin, 1 part of polysulfonamide fiber, 0.2 part of sodium lauryl sulfate, 0.3 part of methyl cellulose, 0.3 part of sodium hexametaphosphate; The heat insulating layer comprises the following raw materials by weight: 4 parts of magnesium hydroxide, 3 parts of xanthan gum, 5 parts of fumaric acid diester, 3.5 parts of stearic acid, 3 parts of linear low density polyethylene, 4 parts of nitrile rubber 5 parts of diammonium phosphate, 10 parts of crystalline bismuth ammonium polyphosphate, 4 parts of oyster shell powder, 6 parts of oleamide, 5 parts of mica powder, 1 part of coupling agent, 3 parts of dispersant, 0.1 part of flame retardant, 5 parts of polyvinyl butyral and 5 parts of water.

[Claim 3] The flame-retardant, mold-proof and leg-resistant building thermal insulation exterior wall according to claim 2, wherein: the base layer comprises the following raw materials by weight: 16 parts of composite fiber material, 8 parts of perlite, powder 8 parts of coal ash, 11 parts of nano-sized calcium sulfate, 4 parts of stannous chloride, 40 parts of modified diatomaceous earth, 10 parts of brucite, 3 parts of redispersible rubber powder, 3 parts of hydroxypropyl methylcellulose, 30 parts of ordinary Portland cement, 15 parts of negative ion powder for construction, 20 parts of urea-formaldehyde resin, 3 parts of polysulfonamide fiber, twelve 0.8 parts of sodium alkyl sulfate, 0.5 parts of methylcellulose, 0.5 parts of sodium hexametaphosphate; the heat insulating layer comprises the following raw materials by weight: 8 parts of magnesium hydroxide, 6 parts of xanthan gum, and fumarate diester 8 Parts, 7 parts of stearic acid, 6 parts of linear low-density polyethylene, 10 parts of nitrile rubber, 7 parts of diammonium phosphate, 14 parts of crystalline bismuth ammonium polyphosphate, 10 parts of eucalyptus powder, 8 parts of oleamide, mica 10 parts of powder, 5 parts of coupling agent, 5 parts of dispersant, 1 part of flame retardant, 10 parts of polyvinyl butyral, 9 parts of water, flame retardant, mildew, anti-leg color, building insulation according to claim 3. The wall is characterized in that: the base layer comprises the following raw materials by weight: 12.5 parts of composite fiber material, 7 parts of perlite, 6 parts of fly ash, 9 parts of nano calcium sulfate, 3 parts of stannous chloride, modified diatom 35 parts of soil, 7.5 parts of brucite, 2 parts of redispersible powder, 2 parts of hydroxypropyl methylcellulose, 25 parts of ordinary Portland cement, 10 parts of building anion powder, 15 parts of urea-formaldehyde resin, aryl sulfone 2 parts of rayon, 0.5 parts of sodium lauryl sulfate, 0.4 parts of methylcellulose, 0.4 parts of sodium hexametaphosphate; The following parts by weight of raw materials: 6 parts of magnesium hydroxide, 4.5 parts of xanthan gum, 6.5 parts of fumaric acid diester, 4.75 parts of stearic acid, 4.5 parts of linear low density polyethylene, 7 parts of nitrile rubber, and aluminum dihydrogen phosphate 6 parts, 12 parts of crystalline bismuth ammonium polyphosphate, 7 parts of oyster shell powder, 7 parts of oleamide, 7.5 parts of mica powder, 3 parts of coupling agent, 4 parts of dispersant, 0.5 part of flame retardant, polyvinyl ketal 7. 5 parts of aldehyde and 7 parts of water.

The flame-retardant, mildew-proof, leg-resistant building thermal insulation exterior wall according to any one of claims 1 to 4, wherein the coupling agent is a silane coupling agent.

The flame-retardant, mold-proof and leg-resistant building thermal insulation exterior wall according to claim 5, wherein the dispersing agent is polyethylene glycol.

The flame-retardant, mildew-proof, leg-resistant building thermal insulation exterior wall according to claim 6, wherein: the flame retardant is silica.