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Reinforced cement machine-made board with three-dimensional cavity fiber structure and production method of board

A technology of fiber structure and cement reinforcement, applied in chemical instruments and methods, hydraulic material layered products, layered products, etc., can solve the problems of insignificant mechanical reinforcement effect, product size limitation, low flexural strength, etc. To achieve the effect of flexibility and variety of product forms, increase and service life, and improve durability

Active Publication Date: 2013-08-14
江苏倍立达新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional building curtain wall materials stone products are difficult to process, brittle and heavy; metal curtain walls have simple decorative effects, poor strength, and are easy to deform; precast concrete is too bulky and is not suitable for application in high-rise building large plate structures
However, due to the poor stability of glass curtain walls, serious light pollution frequently causes glass rain hazards in cities.
[0003] In this case, fiber-reinforced cement products have attracted the attention of experts at home and abroad due to their advantages of high strength, light weight, outstanding decorative effect, and high plasticity. In the industry, fiber-reinforced cement products are generally prepared by spraying or pouring. There are two aspects in this process. Big disadvantages: First, due to the three-dimensional anisotropic distribution of fibers, the mechanical reinforcement effect is not obvious, and the size of the product is greatly limited, and only small building components can be prepared
Second, the semi-manual production process makes the product unable to be standardized and scaled up, resulting in poor performance stability
On this basis, many manufacturers adopt the process of laying multi-layer fiber mesh cloth to compensate for the reinforcement of cement-based products. Through the two-dimensional directional distribution of fibers, the mechanical utilization efficiency of fibers can be improved to a certain extent, and at the same time, structures in different directions Uneven stress, easy to cause cracking and low flexural strength when preparing large plates

Method used

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  • Reinforced cement machine-made board with three-dimensional cavity fiber structure and production method of board

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0071] 1) Mix 20kg (20%) of cement, 30kg (30%) of sand, 24kg (24%) of glass crumbs, 6kg (6%) of inorganic anti-cracking agent according to the proportion by weight, calcium raw material: magnesium raw material: silicon Aluminum raw material: alumina-based ultra-short fiber: silica-based ultra-short fiber: silica-alumina powder=2.52:0.9:0.18:0.6:1.2:0.6), powdered pigment 4kg (4%), soap-free siloxane Mix 2kg (2%) of non-toxic polypropylene emulsion, 1kg (1%) of naphthalene sulfonate formaldehyde condensate, 3kg (3%) of metakaolin, 2kg (2%) of mineral powder, and 8kg (8%) of water, and mix them evenly into decorative surface mortar.

[0072] 2) At the end of the assembly line, the pallet is placed by the suction cup manipulator, the pallet is transported with the production line, and the PVA coil is laid in front of the cloth outlet as a molding auxiliary material.

[0073] 3) Pump the prepared surface layer mortar to the distribution port and pour it on the pallet. After being...

Embodiment 2

[0083] 1) According to the proportion by weight, 41.4kg (41.4%) of cement, 15kg (15%) of fine stones, 10kg (10%) of ceramic debris, 4kg (4%) of inorganic anti-cracking agent, calcium raw materials: magnesium raw materials : Si-alumina Raw material: Zirconia-based ultra-short fiber: SiC-based ultra-short fiber: Si-alumina powder=1.92:0.24:0.24:0.8:0.4:0.4), liquid pigment 0.1kg (0.1%), soap-free silica Alkane modified styrene-acrylic emulsion 2.5kg (2.5%), sulfonated melamine formaldehyde condensate 1kg (1%), sulfate 1kg (1%), metakaolin 3kg (3%), stone powder 2kg (2%), water 20kg (20%) mixed and stirred evenly to make decorative surface mortar.

[0084] 2) At the end of the assembly line, the pallet is placed by the suction cup manipulator, and the pallet is transported along with the production line, and kraft paper is laid in front of the cloth outlet as a molding auxiliary material.

[0085] 3) Pump the prepared surface layer mortar to the distribution port and pour it on ...

Embodiment 3

[0095] 1) According to the percentage distribution by weight, cement 45kg (45%), metal scraps 15kg (15%), mica fragments 10kg (10%), inorganic anti-cracking agent 5kg (5%), calcium raw materials: magnesium raw materials: Si-alumina raw material: Calcium sulfate-based ultra-short fiber: Zinc oxide-based ultra-short fiber: Si-alumina powder=0.9:0.9:1.2:0.5:1:0.5), liquid pigment 2kg (2%), soap-free siloxane modification Mix 0.1kg (0.1%) of silicone acrylic emulsion, 1kg (1%) of polycarboxylate superplasticizer, 1kg (1%) of calcium chloride, 0.9kg (0.9%) of fly ash, and 20kg (20%) of water, After stirring evenly, it is made into a decorative surface layer mortar.

[0096] 2) At the end of the assembly line, the pallet is placed by the suction cup manipulator, the pallet is transported with the production line, and the PVA coil is laid in front of the cloth outlet as a molding auxiliary material.

[0097] 3) Pump the prepared surface layer mortar to the distribution port and pour...

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Abstract

The invention relates to a reinforced cement machine-made board with a three-dimensional cavity fiber structure and a production method of the board, and particularly relates to a novel building material and product, which adopt a mechanical production process, are high in strength, light in weight and abundant in decorative effect, and are realized by forming a cavity structure by three-dimensional cavity connection bodies and compounding and filling a high-performance anti-cracking cement base material. A product comprises a bottom layer, a three-dimensional fiber cavity layer and a decorative surface layer, wherein the decorative surface layer is made of decorative surface layer mortar; the decorative surface layer is arranged at the upper part of the three-dimensional fiber cavity layer; the decorative surface layer is connected with the three-dimensional fiber cavity layer; the three-dimensional fiber cavity layer is formed by filling high-performance anti-cracking cement slurry into the three-dimensional cavity connection bodies; and the three-dimensional fiber cavity layer is connected with the bottom layer and the bottom layer is made of the high-performance anti-cracking cement slurry. The product is mainly applied to outer wall decoration and indoor engineering construction of buildings, and constructions of roads, bridges and the like with high requirements on the strength and the durability of the cement base material.

Description

technical field [0001] The invention relates to a three-dimensional cavity fiber structure reinforced cement machine-made board and its production method, specifically refers to forming a cavity structure through three-dimensional fiber connectors, composite filling with high-performance crack-resistant cement-based materials, and realizing a mechanized production New building materials and products with advanced craftsmanship, high strength, light weight, and rich decorative effects. The products are mainly used in building exterior wall decoration, interior engineering construction, and road and bridge constructions that have high requirements for the strength and durability of cement substrates. technical background [0002] In the application of modern building exterior walls, more three-dimensional and more concise decorative finishes make large-plate curtain wall products a common development trend at home and abroad. At the same time, the structural safety of high-ris...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00B32B13/14
Inventor 熊吉如
Owner 江苏倍立达新材料科技有限公司
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