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Gypsum marble and its preparation method

A marble and gypsum technology, applied in the field of gypsum marble and its preparation, can solve problems such as product application limitations, lack of coherence and integrity in product application, and monotonous decoration style

Active Publication Date: 2013-08-07
湖北格林森绿色环保材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current decorative stone lacks coherence and integrity in terms of products, product technology, product performance, and product applications, mainly manifested in single products, technical bottlenecks, two-level performance differentiation, limited product applications, and monotonous decorative styles.

Method used

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  • Gypsum marble and its preparation method
  • Gypsum marble and its preparation method
  • Gypsum marble and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] 1) Formula composition (substance measurement units are parts by mass):

[0030] (1) Calcium sulfate hemihydrate: 100 parts of natural alpha type;

[0031] (2) Dispersible fiber: 3.0 parts of acrylic fiber, fiber length 8mm;

[0032] (3) Modifier: 0.8 part of dispersible powder, 0.0024 part of potassium aluminum sulfate, 0.0012 part of calcium chloride, 0.8 part of waterproof silicon powder;

[0033] (4) Coloring powder: fluorescent white 2.0 parts

[0034] (5) Clear water: 18.63 parts

[0035] 2) Process:

[0036] 1) Continuous powder metering: natural α-type calcium sulfate hemihydrate, propylene fiber, modifier, and coloring powder are respectively continuously metered by a spiral reamer and a fiber chopping machine;

[0037] 2) Continuous mixing of dry powder: each powder is continuously measured and then enters the spiral reamer mixing device to realize continuous stirring of standard powder and continuous measurement of standard powder;

[0038] 3) Continuous...

Embodiment 2

[0044] 1) Formula composition (substance measurement units are parts by mass):

[0045] (1) Calcium sulfate hemihydrate: 20 parts of natural α type, 80 parts of natural β type;

[0046] (2) Dispersible fibers: 1.0 parts of acrylic fiber, 4.0 parts of glass fiber, with a length of 6.5 mm to 8 mm;

[0047] (3) Modifier: 0.6 part of dispersible powder, 0.0018 part of aluminum potassium sulfate, 0.0012 part of calcium chloride, 0.6 part of waterproof silicon powder;

[0048] (4) Toner: 6.0 parts of bright red water-soluble toner

[0049] (5) Clear water: 18.63 parts

[0050] 2) Process:

[0051] 1) Continuous metering of powder: natural α-type calcium sulfate hemihydrate, 80 parts of natural β-type, acrylic fiber, glass fiber, modifier, and coloring powder are respectively continuously metered by a spiral reamer and a fiber chopping machine;

[0052] 2) Continuous mixing of dry powder: each powder is continuously measured and then enters the spiral reamer mixing device to realiz...

Embodiment 3

[0059] 1) Formula composition (substance measurement units are parts by mass):

[0060] (1) Calcium sulfate hemihydrate: 50 parts of desulfurization-α type, 50 parts of desulfurization-β type;

[0061] (2) Dispersible fibers: 2.0 parts of acrylic fiber, 2.0 parts of glass fiber, with a length of 6.5 mm to 8 mm;

[0062] (3) Modifier: 0.3 part of dispersible powder, 0.0009 part of potassium aluminum sulfate, 0.0006 part of calcium chloride, 0.3 part of waterproof silicon powder;

[0063] (4) Coloring powder: 0.05 parts of blue glass powder

[0064] (5) Clear water: 18.63 parts

[0065] 2) Process:

[0066] 1) Continuous metering of powder: desulfurization α-type calcium sulfate hemihydrate, desulfurization β-type 80 parts, acrylic fiber, glass fiber, modifier, and coloring powder are respectively continuously metered by a spiral reamer and a fiber chopping machine;

[0067] 2) Continuous mixing of dry powder: each powder is continuously measured and then enters the spiral r...

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Abstract

The invention discloses gypsum marble and its preparation method. The gypsum marble is composed of a calcium sulfate hemihydrate, dispersible fibers, a modifier, colored powder and clear water in a weight ratio of 100:3.0-5.5:0.5-1.8:0.03-7.0:18.63. With a reaction mechanism of hydrating the calcium sulfate hemihydrate into a calcium sulfate dihydrate by the above materials, the preparation method consists of powder metering, powder mixing, continuous semi-wet stirring, compression moulding, section cutting and polishing, as well as surface treatment. And the technical conditions that the moulding water is hydration structural water and the compression time is the hydration time can be realized. The microstructure of the marble crystal is in a compact plate structure. Comparing favorably with natural stones in terms of macroscopic physical and mechanical properties, the gypsum marble of the invention has substantially better product, production process condition and environment coordination than natural facing stones, cement-based and resin-based artificial stones.

Description

technical field [0001] The invention relates to a gypsum marble and a preparation method thereof, belonging to the technical field of building materials. Background technique [0002] There are two types of stone for architectural decoration: natural stone and imitation stone. There are two main types of natural stone used in architectural decoration: granite and marble. Imitation stone can be divided into organic imitation stone and inorganic imitation stone. According to different production processes, it mainly includes polyester-based imitation stone, composite-based imitation stone, and silicate-based imitation stone. [0003] Natural stone is made of natural stone blocks by sawing and surface processing. It has high strength, hardness, and excellent structural properties such as wear resistance and durability, but is limited by natural resources and a single surface treatment method. , its decorativeness and series integration have yet to be developed and improved; ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/14C04B41/61
Inventor 韦华童军李小梅
Owner 湖北格林森绿色环保材料股份有限公司
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