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Preparation method of high-performance artificial marble

An artificial marble, high-performance technology, applied in the field of building materials, can solve problems such as poor mechanical properties, low surface hardness, fracture gloss, etc., and achieve the effects of eliminating thermal expansion coefficient mismatch, enhancing weather resistance, and eliminating molding stress.

Inactive Publication Date: 2019-01-29
佛山市欧泊石业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Artificial marble is mainly composed of binders and inorganic fillers. At present, there are many kinds of binders and inorganic fillers used in artificial marble. However, the inventors have found in practice that existing artificial marbles still have aging problems and surface defects. Low hardness, poor wear resistance, poor mechanical properties, easy to cause deformation, fracture and poor gloss of the product, and the product has extremely low fire resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A method for preparing high-performance artificial marble, which is mainly prepared from the following raw materials in parts by weight: 12 parts of matrix resin, 60 parts of filler, 0.7 part of curing agent, 0.3 part of accelerator, 4.5 parts of pigment, and 15 parts of flame retardant.

[0043]Wherein, the matrix resin is formed by mixing unsaturated polyester resin, modified epoxy resin, and silicone modified polyurethane resin with a mass ratio of 6:4:1; the preparation method of the modified epoxy resin is: Add water-based epoxy resin emulsion and silane coupling agent in the reactor, add 232% water, 5% dibutyl phthalate and 0.8% dodecyl dimethyl in the ratio of water-based epoxy resin emulsion weight Betaine was heated up to 55°C and reacted for 1.5 hours to obtain a modified epoxy resin.

[0044] The filler is formed by mixing marble waste rock powder, modified nickel slag and modified waste glass at a mass ratio of 5:3:1; the average particle size range of the m...

Embodiment 2

[0054] A method for preparing high-performance artificial marble, which is mainly prepared from the following raw materials in parts by weight: 10 parts of matrix resin, 50 parts of filler, 0.6 part of curing agent, 0.2 part of accelerator, 4 parts of pigment, and 1 part of flame retardant.

[0055] Wherein, the matrix resin is formed by mixing unsaturated polyester resin, modified epoxy resin, and silicone modified polyurethane resin with a mass ratio of 6:4:1; the preparation method of the modified epoxy resin is: Add water-based epoxy resin emulsion and silane coupling agent in the reactor, add 28% water, 4% dibutyl phthalate and 0.3% dodecyl dimethyl in the ratio of water-based epoxy resin emulsion weight Betaine was heated up to 50°C and reacted for 1 hour to obtain a modified epoxy resin.

[0056] The filler is formed by mixing marble waste rock powder, modified nickel slag and modified waste glass at a mass ratio of 5:3:1; the average particle size range of the marble w...

Embodiment 3

[0066] A preparation method of high-performance artificial marble, which is mainly prepared from the following raw materials in parts by weight: 15 parts of matrix resin, 70 parts of filler, 0.8 parts of curing agent, 0.4 parts of accelerator, 5 parts of pigment, and 20 parts of flame retardant .

[0067] Wherein, the matrix resin is formed by mixing unsaturated polyester resin, modified epoxy resin, and silicone modified polyurethane resin with a mass ratio of 6:4:1; the preparation method of the modified epoxy resin is: Add water-based epoxy resin emulsion and silane coupling agent in the reactor, add 35% water, 6% dibutyl phthalate and 1.2% dodecyl dimethyl in the ratio of water-based epoxy resin emulsion weight Betaine was heated up to 60°C and reacted for 2 hours to obtain a modified epoxy resin.

[0068] The filler is formed by mixing marble waste rock powder, modified nickel slag and modified waste glass at a mass ratio of 5:3:1; the average particle size range of the ...

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Abstract

The invention discloses a preparation method of a high-performance artificial marble. The artificial marble comprises the following raw materials in parts by weight: 10-15 parts of a matrix resin, 50-70 parts of a filler, 0.6-0.8 part of a curing agent, 0.2-0.4 part of an accelerator, 4-5 parts of a pigment, and 10-20 parts of a flame retardant. In the preparation method, an unsaturated polyesterresin, a modified epoxy resin and an organosilicon modified polyurethane resin are used as a binder, marble waste stone powder, modified nickel slag and modified waste glass are used as the filler, various pigments, the curing agent and the accelerator are added, a stone product, namely the artificial marble, is made by stirring, forming, curing and polishing. Comprehensive mechanical properties of the artificial marble can be greatly improved, the probability of crack appearances is effectively reduced, the artificial marble is not easy to wear, and the gloss of the obtained artificial marbleis relatively good, so that the comfortable visual feeling of the human body and the space decoration effect without light pollution are achieved; and the fire-resistant property is superior, so thatthe comprehensive properties of an artificial marble slab are improved.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a preparation method of high-performance artificial marble. Background technique [0002] In the modern building material decoration market, natural marble is widely used in interior decoration because of its elegance, beauty, and good decorative effects. However, natural marble also has its shortcomings and shortcomings. First, because natural marble is a kind of ore resource, its origin is not many in the world, and its output is limited; It has caused difficulties in transportation and daily maintenance. These shortcomings greatly limit the application of natural marble. Therefore, finding a substitute for natural marble has become an extremely important issue. [0003] Artificial marble can not only achieve the texture and beauty of natural marble, but also overcome the shortcomings of uneven color and more cracks in natural marble. In addition, it has the adva...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/32C04B20/02C04B20/04C04B18/12C04B18/14C04B14/22
CPCC04B14/22C04B18/12C04B18/144C04B20/023C04B20/026C04B20/04C04B26/32C04B2201/50C04B24/281C04B24/283C04B24/008C04B24/04C04B24/12C04B22/16C04B2103/54Y02W30/91
Inventor 陆顺欢
Owner 佛山市欧泊石业有限公司
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