阅读说明：本技术 一种防火效果好的装配式材料 (Assembled material with good fireproof effect ) 是由 郭锦龙 于 2021-07-16 设计创作，主要内容包括：本发明公开了一种防火效果好的装配式材料,按质量份数计包括以下组分：钙基膨润土30-50份、改性偏高岭土100-150份、磺化聚苯并噻唑改性环糊精5-8份、羟甲基丙基纤维素3-5份、填料10-16份、蒙脱石7-14份、改性粉煤灰22-32份、空玻璃微珠7-12份、纳米磷酸锌3-6份、三乙醇胺3-5份、石膏8-15份、改性复合硅藻土11-21份、十二烷基硫酸钠4-7份、磷酸二氢铝5-9份、氢氧化镁10-14份、减水剂0.5-2份、消泡剂1-4份、稳定剂2-3份、复合阻燃剂8-19份。(The invention discloses an assembly type material with a good fireproof effect, which comprises the following components in parts by weight: 30-50 parts of calcium bentonite, 150 parts of modified metakaolin, 5-8 parts of sulfonated polybenzothiazole modified cyclodextrin, 3-5 parts of hydroxymethyl propyl cellulose, 10-16 parts of filler, 7-14 parts of montmorillonite, 22-32 parts of modified fly ash, 7-12 parts of hollow glass microsphere, 3-6 parts of nano zinc phosphate, 3-5 parts of triethanolamine, 8-15 parts of gypsum, 11-21 parts of modified composite diatomite, 4-7 parts of sodium dodecyl sulfate, 5-9 parts of aluminum dihydrogen phosphate, 10-14 parts of magnesium hydroxide, 0.5-2 parts of water reducing agent, 1-4 parts of defoaming agent, 2-3 parts of stabilizer and 8-19 parts of composite flame retardant.)

1. The assembly type material with a good fireproof effect is characterized by comprising the following components in parts by mass: 30-50 parts of calcium bentonite, 150 parts of modified metakaolin, 5-8 parts of sulfonated polybenzothiazole modified cyclodextrin, 3-5 parts of hydroxymethyl propyl cellulose, 10-16 parts of filler, 7-14 parts of montmorillonite, 22-32 parts of modified fly ash, 7-12 parts of hollow glass microsphere, 3-6 parts of nano zinc phosphate, 3-5 parts of triethanolamine, 8-15 parts of gypsum, 11-21 parts of modified composite diatomite, 4-7 parts of sodium dodecyl sulfate, 5-9 parts of aluminum dihydrogen phosphate, 10-14 parts of magnesium hydroxide, 0.5-2 parts of water reducing agent, 1-4 parts of defoaming agent, 2-3 parts of stabilizer and 8-19 parts of composite flame retardant.

2. The fabricated material with good fire protection effect of claim 1, wherein the defoaming agent is one of tributyl phosphate, organosiloxane or trifluoropropylmethylsilicone oil.

3. The fabricated material with good fireproof effect of claim 1, wherein the filler is one or more of expanded glass particles, graphite powder, glass flakes, sintered ceramic particles and expanded perlite coarse particles.

4. The fabricated material with good fireproof effect of claim 1, wherein the water reducing agent is a naphthalene water reducing agent or a polycarboxylic acid water reducing agent.

5. The fabricated material with a good fire protection effect of claim 1, wherein the stabilizer is one of fatty alcohol-polyoxyethylene ether, sodium fatty alcohol-polyoxyethylene sulfonate or sodium fatty alcohol sulfate.

6. The assembly type material with good fireproof effect according to claim 1, wherein the composite flame retardant comprises the following components in parts by weight: 5-9 parts of nano magnesium dioxide, 10-13 parts of sericite, 2-4 parts of ammonium polyphosphate, 3-7 parts of pentaerythritol and 1-6 parts of melamine.

7. The preparation method of the assembly type material with good fireproof effect according to any one of claims 1 to 6, which is characterized by comprising the following steps:

(1) mixing the calcium bentonite, the modified metakaolin, the montmorillonite, the modified fly ash, the modified composite diatomite and the gypsum according to the proportion, placing the mixture in a high-speed ball mill, and carrying out ball milling for 1-3h at the rotating speed of 500-800r/min to obtain mixed powder A;

(2) heating the mixed powder A obtained in the step (1) to 600-860 ℃ for calcining for 1-3h, naturally cooling to normal temperature, and stirring the sulfonated polybenzothiazole modified cyclodextrin, the hollow glass microspheres, the triethanolamine, the sodium dodecyl sulfate and the stabilizer for 30-50min at 300r/min of 150-50 ℃ to obtain mixed powder B;

(3) then pouring nano zinc phosphate, aluminum dihydrogen phosphate, filler, magnesium hydroxide, a water reducing agent, a defoaming agent and a composite flame retardant in proportion, and continuously stirring for 50-100min to obtain the assembled material;

(4) pouring the material prepared in the step (3) into an assembled wallboard die, and vibrating until the material is compact;

(5) standing for 2-4 h at room temperature and demolding.

Technical Field

The invention relates to the technical field of building materials, in particular to an assembly type material with good fireproof effect.

Background

In recent years, the assembly type building is more and more popular with people due to the advantages of high construction speed, low cost, high labor efficiency, effective reduction of dust pollution, noise pollution, water pollution and the like, and has wide development prospect in the field of urban building in the future. Among them, building fabricated wall materials are used as an important ring in fabricated buildings, and the quality of the building fabricated wall materials directly influences the performance of the building. However, the building assembled wall materials in the current market have single functions, general compressive strength and poor fireproof performance.

Disclosure of Invention

The technical problem to be solved by the invention is to provide an assembly type material with good fireproof effect aiming at the defects in the prior art.

The technical scheme for solving the technical problems is as follows: an assembled material with a good fireproof effect comprises the following components in parts by weight: 30-50 parts of calcium bentonite, 150 parts of modified metakaolin, 5-8 parts of sulfonated polybenzothiazole modified cyclodextrin, 3-5 parts of hydroxymethyl propyl cellulose, 10-16 parts of filler, 7-14 parts of montmorillonite, 22-32 parts of modified fly ash, 7-12 parts of hollow glass microsphere, 3-6 parts of nano zinc phosphate, 3-5 parts of triethanolamine, 8-15 parts of gypsum, 11-21 parts of modified composite diatomite, 4-7 parts of sodium dodecyl sulfate, 5-9 parts of aluminum dihydrogen phosphate, 10-14 parts of magnesium hydroxide, 0.5-2 parts of water reducing agent, 1-4 parts of defoaming agent, 2-3 parts of stabilizer and 8-19 parts of composite flame retardant.

The technical scheme of the invention is further defined as follows:

the defoaming agent is one of tributyl phosphate, organic siloxane or trifluoropropyl methyl silicone oil.

The filler is one or a mixture of expanded glass particles, graphite powder, glass flakes, sintered expanded ceramsite and expanded perlite coarse particles.

The water reducing agent is a naphthalene water reducing agent or a polycarboxylic acid water reducing agent.

The stabilizer is one of fatty alcohol-polyoxyethylene ether, fatty alcohol-polyoxyethylene sodium sulfonate or fatty alcohol sodium sulfate.

The composite flame retardant comprises the following components in parts by weight: 5-9 parts of nano magnesium dioxide, 10-13 parts of sericite, 2-4 parts of ammonium polyphosphate, 3-7 parts of pentaerythritol and 1-6 parts of melamine.

The invention also provides a preparation method of the assembled material with good fireproof effect, which comprises the following steps:

(1) mixing the calcium bentonite, the modified metakaolin, the montmorillonite, the modified fly ash, the modified composite diatomite and the gypsum according to the proportion, placing the mixture in a high-speed ball mill, and carrying out ball milling for 1-3h at the rotating speed of 500-800r/min to obtain mixed powder A;

(2) heating the mixed powder A obtained in the step (1) to 600-860 ℃ for calcining for 1-3h, naturally cooling to normal temperature, and stirring the sulfonated polybenzothiazole modified cyclodextrin, the hollow glass microspheres, the triethanolamine, the sodium dodecyl sulfate and the stabilizer for 30-50min at 300r/min of 150-50 ℃ to obtain mixed powder B;

(3) then pouring nano zinc phosphate, aluminum dihydrogen phosphate, filler, magnesium hydroxide, a water reducing agent, a defoaming agent and a composite flame retardant in proportion, and continuously stirring for 50-100min to obtain the assembled material;

(4) pouring the material prepared in the step (3) into an assembled wallboard die, and vibrating until the material is compact;

(5) standing for 2-4 h at room temperature and demolding.

Has the advantages that:

the fabricated material prepared by the invention has good mechanical properties, excellent compressive strength and good fireproof performance, can meet the A-level requirement of GB8624-2012 'building material and product combustion performance grading', and can be used as an active agent by adding triethanolamine, thereby greatly accelerating the process flow, improving the crosslinking degree and density of the material, and improving the adhesive force and the fireproof performance by adding hollow glass beads; the sulfonated polybenzothiazole modified cyclodextrin is prepared by mixing sulfonated polybenzothiazole, cyclodextrin and polyphosphoric acid according to a weight ratio of 1: 2: 15-20. The sulfonated polybenzothiazole has excellent performances of high temperature resistance, ablation resistance, water resistance and the like, and the cyclodextrin is beneficial to improving the fluidity of slurry; the high-temperature resistant and compression strength of the assembled material is improved by combining the rigid structure of the polybenzothiazole, and the mechanical strength of the material is improved by adding the filler, so that the adhesion capability of the material can be improved; the hydroxymethyl propyl cellulose is beneficial to uniform dispersion in the material in the stirring and forming process, and the capillary cohesion of the internal microporous structure of the modified composite diatomite and the hydration of surface hydroxyl are used for humidifying and are matched with the modified metakaolin, so that various mechanical properties of the material are obviously improved.

Detailed Description

Example 1

The embodiment provides an assembled material with a good fireproof effect, which comprises the following components in parts by mass: 30 parts of calcium bentonite, 100 parts of modified metakaolin, 5 parts of sulfonated polybenzothiazole modified cyclodextrin, 3 parts of hydroxymethyl propyl cellulose, 10 parts of filler, 7 parts of montmorillonite, 22 parts of modified fly ash, 7 parts of hollow glass beads, 3 parts of nano zinc phosphate, 3 parts of triethanolamine, 8 parts of gypsum, 11 parts of modified composite diatomite, 4 parts of sodium dodecyl sulfate, 5 parts of aluminum dihydrogen phosphate, 10 parts of magnesium hydroxide, 1 part of water reducing agent, 1.5 parts of defoaming agent, 2 parts of stabilizing agent and 8 parts of composite flame retardant;

wherein the defoaming agent is organic siloxane; the filler is a mixture of expanded glass particles, glass flakes, sintered expanded ceramsite and expanded perlite coarse particles; the water reducing agent is a polycarboxylic acid water reducing agent; the stabilizer is fatty alcohol-polyoxyethylene ether; the composite flame retardant comprises the following components in parts by weight: 5 parts of nano-magnesium dioxide, 10 parts of sericite, 2 parts of ammonium polyphosphate, 3 parts of pentaerythritol and 2 parts of melamine.

The embodiment also provides a preparation method of the assembled material with good fireproof effect, which specifically comprises the following steps:

(1) mixing calcium bentonite, modified metakaolin, montmorillonite, modified fly ash, modified composite diatomite and gypsum according to the proportion, placing the mixture in a high-speed ball mill, and carrying out ball milling for 3 hours at the rotating speed of 500r/min to obtain mixed powder A;

(2) heating the mixed powder A obtained in the step (1) to 600 ℃, calcining for 3h, naturally cooling to normal temperature, and stirring the sulfonated polybenzothiazole modified cyclodextrin, the hollow glass beads, the triethanolamine, the sodium dodecyl sulfate and the stabilizer for 50min at 150r/min to obtain mixed powder B;

(3) then pouring nano zinc phosphate, aluminum dihydrogen phosphate, filler, magnesium hydroxide, a water reducing agent, a defoaming agent and a composite flame retardant in proportion, and continuously stirring for 50min to obtain the assembly material;

(4) pouring the material prepared in the step (3) into an assembled wallboard die, and vibrating until the material is compact;

(5) standing at room temperature for 2h, and demolding.

Example 2

The embodiment provides an assembled material with a good fireproof effect, which comprises the following components in parts by mass: 40 parts of calcium bentonite, 130 parts of modified metakaolin, 6 parts of sulfonated polybenzothiazole modified cyclodextrin, 4 parts of hydroxymethyl propyl cellulose, 13 parts of filler, 11 parts of montmorillonite, 26 parts of modified fly ash, 10 parts of hollow glass beads, 4 parts of nano zinc phosphate, 4 parts of triethanolamine, 13 parts of gypsum, 16 parts of modified composite diatomite, 5 parts of sodium dodecyl sulfate, 7 parts of aluminum dihydrogen phosphate, 12 parts of magnesium hydroxide, 1.5 parts of water reducing agent, 2 parts of defoaming agent, 2 parts of stabilizing agent and 13 parts of composite flame retardant;

wherein the defoaming agent is tributyl phosphate; the filler is a mixture of expanded glass particles, glass flakes, sintered expanded ceramsite and expanded perlite coarse particles; the water reducing agent is a naphthalene water reducing agent; the stabilizer is fatty alcohol-polyoxyethylene ether; the composite flame retardant comprises the following components in parts by weight: 7 parts of nano-magnesium dioxide, 12 parts of sericite, 3 parts of ammonium polyphosphate, 5 parts of pentaerythritol and 4 parts of melamine.

The embodiment also provides a preparation method of the assembled material with good fireproof effect, which specifically comprises the following steps:

(1) mixing calcium bentonite, modified metakaolin, montmorillonite, modified fly ash, modified composite diatomite and gypsum according to the proportion, placing the mixture in a high-speed ball mill, and carrying out ball milling for 1.5 hours at the rotating speed of 700r/min to obtain mixed powder A;

(2) heating the mixed powder A obtained in the step (1) to 730 ℃, calcining for 2h, naturally cooling to normal temperature, and stirring the sulfonated polybenzothiazole modified cyclodextrin, the hollow glass beads, the triethanolamine, the sodium dodecyl sulfate and the stabilizer for 42min at 220r/min to obtain mixed powder B;

(3) then pouring nano zinc phosphate, aluminum dihydrogen phosphate, filler, magnesium hydroxide, a water reducing agent, a defoaming agent and a silicon composite flame retardant in proportion, and continuously stirring for 60min to obtain the assembled material;

(4) pouring the material prepared in the step (3) into an assembled wallboard die, and vibrating until the material is compact;

(5) standing at room temperature for 2.5h, and demolding.

Example 3

The embodiment provides an assembled material with a good fireproof effect, which comprises the following components in parts by mass: 50 parts of calcium bentonite, 150 parts of modified metakaolin, 8 parts of sulfonated polybenzothiazole modified cyclodextrin, 5 parts of hydroxymethyl propyl cellulose, 16 parts of filler, 14 parts of montmorillonite, 32 parts of modified fly ash, 12 parts of hollow glass beads, 6 parts of nano zinc phosphate, 5 parts of triethanolamine, 15 parts of gypsum, 21 parts of modified composite diatomite, 7 parts of sodium dodecyl sulfate, 9 parts of aluminum dihydrogen phosphate, 14 parts of magnesium hydroxide, 2 parts of a water reducing agent, 4 parts of a defoaming agent, 3 parts of a stabilizing agent and 18 parts of a composite flame retardant;

wherein the defoaming agent is trifluoropropylmethyl silicone oil; the filler is a mixture of expanded glass particles, glass flakes, sintered expanded ceramsite and expanded perlite coarse particles; the water reducing agent is a polycarboxylic acid water reducing agent; the stabilizer is fatty alcohol sodium sulfate; the composite flame retardant comprises the following components in parts by weight: 9 parts of nano-magnesium dioxide, 13 parts of sericite, 4 parts of ammonium polyphosphate, 7 parts of pentaerythritol and 6 parts of melamine.

The embodiment also provides a preparation method of the assembled material with good fireproof effect, which specifically comprises the following steps:

(1) mixing calcium bentonite, modified metakaolin, montmorillonite, modified fly ash, modified composite diatomite and gypsum according to the proportion, placing the mixture in a high-speed ball mill, and carrying out ball milling for 1h at the rotating speed of 800r/min to obtain mixed powder A;

(2) heating the mixed powder A obtained in the step (1) to 860 ℃ and calcining for 1h, and after naturally cooling to normal temperature, stirring the sulfonated polybenzothiazole modified cyclodextrin, the hollow glass beads, the triethanolamine, the sodium dodecyl sulfate and the stabilizer for 30min at 300r/min to obtain mixed powder B;

(3) then pouring nano zinc phosphate, aluminum dihydrogen phosphate, filler, magnesium hydroxide, a water reducing agent, a defoaming agent and a composite flame retardant in proportion, and continuously stirring for 80min to obtain the assembly material;

(4) pouring the material prepared in the step (3) into an assembled wallboard die, and vibrating until the material is compact;

(5) standing at room temperature for 2.5h, and demolding.

The fabricated materials prepared in the above examples were tested for flexural strength, compressive strength and fire resistance limit according to the test methods for building sealing materials GB 13477 and the fire protection codes for building design GB 50016-:

TABLE 1

	Flexural strength (MPa)	Compressive strength (MPa)	Limit of fire resistance (h)
				Example 1	2.7	9.3	5.5
Example 2	2.5	9.1	5.0
				Example 3	3.1	9.5	5.5

In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.