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Anti-cracking calcium silicate board and preparation process thereof

A calcium silicate board and a preparation technology, which is applied in the field of calcium silicate board, can solve problems affecting the performance of calcium silicate board, blanking, delamination, cracks, human health hazards, etc., to achieve human and environmental friendliness, Good crack growth and improved thermal expansion coefficient matching

Active Publication Date: 2021-04-16
广东雄塑环保板业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Traditional calcium silicate board production raw materials contain asbestos fibers, which are easy to cause harm to human health and cause cancer. The performance of calcium acid board

Method used

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  • Anti-cracking calcium silicate board and preparation process thereof
  • Anti-cracking calcium silicate board and preparation process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] An anti-cracking calcium silicate board made of raw materials of the following quality: 35kg of alkali slag, 6kg of slaked lime, 14kg of cement, 22kg of quartz powder, 1.5kg of yttria-stabilized zirconia, 0.5kg of sodium polyacrylate, and β-eucryptite Glass fiber 4kg, pulp 6kg, anhydrous sodium sulfate 2kg.

[0024] The β-eucryptite glass fiber is made of the following raw materials in parts by weight: 9 parts of β-eucryptite, 37 parts of quartz sand, 18 parts of kaolin, 2 parts of soda ash, 2 parts of calcium oxide, and 1 part of magnesium oxide. The method is: take β-eucryptite, quartz sand, kaolin, soda ash, calcium oxide, and magnesium oxide and mix them into a high-temperature kiln for melting at 1200°C to obtain molten glass, then cool the molten glass to 850°C and then draw wire to form a Glass fiber filaments of 6-12mm are soaked in acetone and hydrochloric acid solutions, washed and dried.

[0025] A preparation process for the anti-cracking calcium silicate b...

Embodiment 2

[0030] An anti-cracking calcium silicate board made of raw materials of the following quality: 30kg of alkali slag, 4kg of slaked lime, 12kg of cement, 20kg of quartz powder, 1kg of yttria-stabilized zirconia, 0.3kg of sodium polyacrylate, and β-eucryptite glass Fiber 3kg, pulp 5kg, anhydrous sodium sulfate 1kg.

[0031] The β-eucryptite glass fiber is made of the following raw materials in parts by weight: 8 parts of β-eucryptite, 35 parts of quartz sand, 15 parts of kaolin, 2 parts of soda ash, 1 part of calcium oxide, and 1 part of magnesium oxide. The method is: take β-eucryptite, quartz sand, kaolin, soda ash, calcium oxide, and magnesium oxide and mix them into a high-temperature kiln for melting at 1100°C to obtain molten glass, then cool the molten glass to 800°C and then draw wire to form a Glass fiber filaments of 6-12mm are soaked in acetone and hydrochloric acid solutions, washed and dried.

[0032] A preparation process for the anti-cracking calcium silicate boar...

Embodiment 3

[0037] An anti-cracking calcium silicate board made of raw materials of the following quality: 40kg of alkali slag, 8kg of slaked lime, 16kg of cement, 24kg of quartz powder, 2kg of yttria-stabilized zirconia, 0.7kg of sodium polyacrylate, and β-eucryptite glass Fiber 6kg, pulp 7kg, anhydrous sodium sulfate 3kg.

[0038] The β-eucryptite glass fiber is made of the following raw materials in parts by weight: 10 parts of β-eucryptite, 40 parts of quartz sand, 20 parts of kaolin, 3 parts of soda ash, 2 parts of calcium oxide, and 2 parts of magnesium oxide. The method is: take β-eucryptite, quartz sand, kaolin, soda ash, calcium oxide, and magnesium oxide and mix them into a high-temperature kiln for melting at 1300°C to obtain molten glass, then cool the molten glass to 900°C and then draw wire to form a Glass fiber filaments of 6-12mm are soaked in acetone and hydrochloric acid solutions, washed and dried.

[0039] A preparation process for the anti-cracking calcium silicate b...

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Abstract

The invention discloses an anti-cracking calcium silicate board and a preparation process thereof. The anti-cracking calcium silicate board is prepared from the following raw materials in parts by weight: 30-40 parts of alkaline residues, 4-8 parts of slaked lime, 12-16 parts of cement, 20-24 parts of quartz powder, 1-2 parts of yttria-stabilized zirconia, 0.3-0.7 part of sodium polyacrylate, 3-6 parts of beta eucryptite glass fibers, 5-7 parts of paper pulp and 1-3 parts of anhydrous sodium sulfate. According to the calcium silicate board, the beta eucryptite glass fibers and the paper pulp fibers are adopted as fiber raw materials to jointly replace traditional asbestos fibers, the calcium silicate board is non-toxic and more friendly to human bodies and the environment, meanwhile, crack propagation can be well stopped, the propagation direction can be well changed, the propagation path can be well increased, and the anti-cracking effect of the calcium silicate board is achieved.

Description

technical field [0001] The invention belongs to the technical field of calcium silicate boards, and in particular relates to an anti-cracking calcium silicate board and a preparation process thereof. Background technique [0002] Calcium silicate board is a new type of inorganic building decoration material. Because of its high strength, light weight, good processability and non-combustibility, it is widely used in ship bulkheads, suspended ceilings and non-load-bearing buildings. Walls, and other places with fire protection requirements. As a new green and environmentally friendly building material, in addition to the functions of traditional gypsum boards, it also has the advantages of superior fire resistance, moisture resistance, and long service life. It is widely used in suspended ceilings and partition walls of industrial and commercial engineering buildings, home decoration, and furniture linings. , billboard lining board, ship partition board, warehouse shed board,...

Claims

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Application Information

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IPC IPC(8): C04B28/20C04B14/42C03C13/00C03C6/04C04B111/20C04B111/34C04B14/30C04B18/24
CPCY02W30/91
Inventor 黄淦雄
Owner 广东雄塑环保板业有限公司
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