Preparation method and application of building material

A technology for building materials and mixtures, applied in the field of building materials, can solve problems such as potential safety hazards, economic losses, affecting the normal use of concrete structures, and achieve the effects of improved performance, good application prospects, and high strength.

Inactive Publication Date: 2018-05-18
付主枝
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cracking and damage of concrete will seriously affect the normal use of the concrete structure, if it is not repaired, it will bring great safety hazards and economic losses

Method used

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  • Preparation method and application of building material
  • Preparation method and application of building material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] (1) Add 50 parts of diatomite, 20 parts of dolomite powder, and 12 parts of calcium hypophosphite into the mixer, adjust the speed of the mixer to 300r / min, and stir for 25 minutes to obtain a preliminary mixture

[0022] (2) Grind the preliminary mixture, the speed of the grinder is controlled at 1500r / min, the grinding time is 90min, pass through a 200 mesh sieve, add 30 parts of polyacrylate emulsion, 12 parts of polyhexamethylene biguanide, polystyrene 6 parts of sodium sulfonate, heated up to 60°C, and stirred at this temperature for 45 minutes to obtain the secondary mixture;

[0023] (3) Add the secondary mixture to dimethylformamide that is 15 times its weight, stir for 10 minutes, add 15 parts of maleic anhydride graft compatibilizer, feed nitrogen, keep stirring at 50°C for 3 hours, and then Send it into an oven, dry it completely at 100°C, and cool it out to obtain a modified mixture;

[0024] (4) Transfer the modified mixture to a high-pressure reactor for ...

Embodiment 2

[0027] (1) Add 55 parts of diatomite, 25 parts of dolomite powder, and 15 parts of calcium hypophosphite into the mixer, adjust the speed of the mixer to 300r / min, and stir for 25 minutes to obtain a preliminary mixture

[0028] (2) Grind the preliminary mixture, the speed of the grinder is controlled at 1500r / min, the grinding time is 90min, pass through a 200 mesh sieve, add 35 parts of polyacrylate emulsion, 14 parts of polyhexamethylene biguanide, polystyrene 8 parts of sodium sulfonate, heated up to 60°C, and stirred at this temperature for 45 minutes to obtain the secondary mixture;

[0029] (3) Add the secondary mixture to dimethylformamide that is 15 times its weight, stir for 10 minutes, add 15 parts of maleic anhydride graft compatibilizer, feed nitrogen, keep stirring at 50°C for 3 hours, and then Send it into an oven, dry it completely at 105°C, and cool it out to obtain a modified mixture;

[0030] (4) Transfer the modified mixture to a high-pressure reactor for ...

Embodiment 3

[0033] (1) Add 60 parts of diatomite, 30 parts of dolomite powder, and 18 parts of calcium hypophosphite into the mixer, adjust the speed of the mixer to 300r / min, and stir for 25 minutes to obtain a preliminary mixture

[0034] (2) Grind the preliminary mixture, the speed of the grinder is controlled at 1500r / min, the grinding time is 90min, pass through a 200 mesh sieve, add 40 parts of polyacrylate emulsion, 16 parts of polyhexamethylene biguanide, polystyrene 10 parts of sodium sulfonate, heated up to 60°C, and stirred at this temperature for 45 minutes to obtain a secondary mixture;

[0035] (3) Add the secondary mixture to dimethylformamide that is 15 times its weight, stir for 10 minutes, add 15 parts of maleic anhydride graft compatibilizer, feed nitrogen, keep stirring at 50°C for 3 hours, and then Send it into an oven, dry it completely at 110°C, and cool it out to obtain a modified mixture;

[0036] (4) Transfer the modified mixture to a high-pressure reactor for h...

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Abstract

The invention discloses a preparation method and application of a building material. The method includes the steps of stirring diatomite, dolomite powder and calcium hypophosphite to obtain a primarymixture, then making the primary mixture subjected to grinding and screening and adding polyacrylate emulsion, polyhexamethylene biguanidine hydrochloride and sodium polystyrenesulfonate; raising thetemperature for stirring to obtain a secondary mixture, then adding dimethylformamide with the weight 15 times that of the secondary mixture, and adding a maleic anhydride grafting compatilizer afterstirring; introducing inert gas, stirring the mixture at the constant temperature of 50 DEG C, conveying the mixture into a drying box for complete drying, and discharging the material for cooling toobtain a modified mixture; transferring the modified mixture into a high-pressure reaction kettle for a hydrothermal reaction, introducing the product of the hydrothermal reaction into a double-screwextruder, conducting extrusion and pelleting and then obtaining a finished product of the building material. The prepared building material is high in strength and light in weight and has a great application prospect in architectural engineering.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a preparation method and application of building materials. Background technique [0002] The materials used in buildings are collectively referred to as building materials, which is a general term for materials used in civil engineering and construction engineering. Building materials can be divided into structural materials, decorative materials and some special materials. Structural materials include: wood, bamboo, stone, cement, concrete, metal, bricks, ceramics, glass, engineering plastics, composite materials, etc.; decorative materials include: various coatings, paints, coatings, veneers, tiles of various colors, special Effect glass, etc.; special materials refer to: used for waterproof, moisture-proof, anti-corrosion, fire prevention, flame retardant, sound insulation, heat insulation, heat preservation, sealing, etc. [0003] Concrete is the most widely use...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/04
CPCC04B26/04C04B2201/50C04B24/24C04B24/163C04B14/08C04B14/26C04B22/16C04B24/124C04B24/04C04B40/0028
Inventor 付主枝
Owner 付主枝
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