Efficient waterproof dustproof fiber cement board

A fiber cement board, waterproof and dustproof technology, applied in the field of building materials, can solve the problems of poor waterproofness, easy to be contaminated with dust, etc., and achieve the effects of improving waterproofness, avoiding contamination, and being less prone to static electricity.

Inactive Publication Date: 2019-07-19
佛山市世为创意家具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem to be solved by the present invention is to provide a high-efficiency waterproof and dustproof fiber cement board for the problems of poor waterproofness and easy dust contamination of the commonly used fiber cement boards at present.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0032] The preparation method of composite hydrophobic and dustproof base material comprises the following steps:

[0033] (1) Take bamboo shoots and crush them through a 100-mesh sieve in a grinder, collect the sieved particles and add lye to mix at a mass ratio of 1:15~20, stir at 80~95°C at 350~550r / min for 1~3h, and cool naturally to room temperature, filter, and collect the filter cake, add polydimethylsiloxane and citric acid solution with a mass fraction of 14% at a mass ratio of 3:0.2:14~25, mix at 35~50°C, at 400~700r / min Stir for 35-60 minutes, evaporate under reduced pressure to constant weight, and obtain bamboo shoot fiber treatment material;

[0034](2) According to the mass ratio of 1:2~4:0.1:8:30~50, take the coal gangue, talc powder, sodium bentonite, bamboo shoot fiber treatment material, and water that have passed through a 120-mesh sieve and mix and stir for 20~35min, then move to ultrasonic Oscillator, ultrasonic at 50~65kHz frequency for 1~3h, get the di...

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PUM

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Abstract

The invention discloses an efficient waterproof dustproof fiber cement board, and belongs to the technical field of building materials. According to the invention, bamboo shoots are crushed and mixedwith alkali liquor, so that the space between fiber components can be filled with tiny calcium carbonate components, and the formed mixture is mixed with citric acid liquid for hydrolysis. A micelle solution is prepared by polymerizing monomers such as N-dodecylacrylamide, the internal stability is improved, and through combination with the components of a composite hydrophobic dustproof base material, the water resistance of the formed fiber cement board is improved and the fiber cement board is not easily contaminated by dust. Bamboo shoots are treated, filling of multiple inorganic macromolecular components is combined, fibers and inorganic macromolecules are subjected to net capture by utilizing hydrophilic and hydrophobic effects shown by a carbon nanotube network at different temperatures, the waterproof property is improved, the dustproof property is also provided, and a prepared amphiphilic binary copolymer has the effect of supplementing and improving the waterproof property and the dustproof property from the aspect of an internal structure. The fiber cement board solves the problems that a common fiber cement board at present is poor in waterproofness and prone to beingcontaminated by dust.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a high-efficiency waterproof and dustproof fiber cement board. Background technique [0002] Fiber cement board is a new type of building material made of silicon and calcareous materials as the main raw materials, modified with natural reinforcing fibers and auxiliary materials, and processed through pulping, plastering, pressurization, and curing. Fiber cement board is a new type of building material made of Portland cement as the main cementing material, natural fiber or synthetic fiber as reinforcement material, water and other additives, pulping, molding, pressurization, and maintenance. It has excellent properties such as fire prevention and waterproof, heat insulation and heat preservation, and has good mechanical properties. It can be widely used as building ceiling panels, roof panels, non-load-bearing interior and exterior wall panels, floors, etc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B111/27
CPCC04B28/00C04B2111/00008C04B2111/27C04B2201/50C04B24/36C04B24/121C04B24/026C04B2103/302C04B22/16C04B18/265C04B24/42C04B24/06C04B18/12C04B14/042C04B14/104C04B14/026C04B22/10C04B22/062C04B14/06C04B14/366C04B24/10C04B24/38C04B24/08C04B24/20C04B24/00C04B24/003C04B24/2688C04B24/2623
Inventor 何俊欣
Owner 佛山市世为创意家具有限公司
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