Safe and environment-friendly pearlite sand and preparation method thereof

A safe and environmentally friendly pearlescent sand technology, applied in the field of safe and environmentally friendly pigments and dyes, can solve problems such as the depletion of natural pearlescent sand resources, tight supply of pearlescent sand, and restrictions on industry development. It can achieve high bond strength, improve water resistance, and super The effect of strong permeability

Inactive Publication Date: 2017-06-20
BNSA NEW MATERIAL SHANGHAI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, it is precisely because of the increasingly widespread application of pearlite that the mining of natural pearlite has continued to increase, resulting in the depletion of natural pearlite resources.
In addition, as the smog has become more and more serious in recent years, some pearl placer mines have been gradually shut down by the state, resulting in tight supply of pearlite and a decline in quality, which limits the development of related industries

Method used

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  • Safe and environment-friendly pearlite sand and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0036] A safe and environment-friendly pearlescent sand, which comprises the following components and parts by weight: 460 parts of colorant, 40 parts of quartz sand, and the colorant includes the following components and parts by weight: 390 parts of sodium water glass, lithium water glass 55 parts, 2 parts of curing agent, 1.5 parts of metasilicate, 0.5 parts of concentrated sulfuric acid, 110 parts of filler, 380 parts of pearl powder, 55 parts of film-forming aid and 40 parts of water.

[0037] Among them, the curing agent is sodium fluorosilicate; the metasilicate is sodium metasilicate; H in concentrated sulfuric acid 2 SO 4 The mass fraction is 97%; the filler is talcum powder; the film-forming aid is commercially available Bardford RS-3799; the mesh number of quartz sand is 10-20 mesh.

[0038] The preparation method of this perlite specifically comprises the following steps:

[0039] (1) Preparation of colorant:

[0040] (1-1) After mixing the sodium silicate, lithiu...

Embodiment 2

[0048] A safe and environment-friendly pearlescent sand. The pearlescent sand includes the following components and parts by weight: 480 parts of coloring agent, 20 parts of quartz sand, and the coloring agent includes the following components and parts by weight: 410 parts of sodium water glass, lithium water glass 45 parts, 4 parts of curing agent, 0.5 parts of metasilicate, 1.5 parts of concentrated sulfuric acid, 90 parts of filler, 420 parts of pearl powder, 45 parts of film-forming aid and 50 parts of water.

[0049] Among them, the curing agent is sodium fluorosilicate; the metasilicate is sodium metasilicate; H in concentrated sulfuric acid 2 SO 4 The mass fraction is 98%; the filler is talcum powder; the film-forming aid is commercially available Bardford RS-3799; the mesh number of quartz sand is 80-120 mesh.

[0050] The preparation method of this perlite specifically comprises the following steps:

[0051] (1) Preparation of colorant:

[0052] (1-1) After mixing...

Embodiment 3

[0058] A safe and environment-friendly pearlescent sand, the pearlite includes the following components and parts by weight: 470 parts of coloring agent, 30 parts of quartz sand, the coloring agent includes the following components and parts by weight: 400 parts of sodium water glass, lithium water glass 50 parts, 3 parts of curing agent, 1 part of metasilicate, 1 part of concentrated sulfuric acid, 100 parts of filler, 400 parts of pearl powder, 50 parts of film-forming aid and 45 parts of water.

[0059] Among them, the curing agent is sodium fluorosilicate; the metasilicate is sodium metasilicate; H in concentrated sulfuric acid 2 SO 4 The mass fraction is 95%; the filler is talcum powder; the film-forming aid is commercially available Bardford RS-3799; the mesh number of quartz sand is 40-80 mesh.

[0060] The preparation method of this perlite specifically comprises the following steps:

[0061] (1) Preparation of colorant:

[0062] (1-1) After mixing the sodium water ...

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Abstract

The invention relates to safe and environment-friendly pearlite sand and a preparation method thereof. The pearlite sand comprises the following ingredients in parts by weight: 460-480 parts of colorant and 20-40 parts of quartz sand, wherein the colorant comprises the following ingredients in parts by weight: 390-410 parts of sodium silicate, 45-55 parts of lithium silicate, 2-4 parts of curing agent, 0.5-1.5 parts of metasilicate, 0.5-1.5 parts of concentrated sulfuric acid, 90-110 parts of filler, 380-420 parts of pearl essence, 45-55 parts of film forming assistant and 40-50 parts of water. The pearlite sand is prepared through firstly preparing the colorant, then, mixing the colorant with the quartz sand, and then, carrying out drying and screening. Compared with the prior art, the pearlite sand and the preparation method thereof have the advantages that the quartz sand serves as a basic raw material of the pearlite sand and is colored through the pearl essence, and thus, the surface of the quartz sand can present soft pearly luster; the pearlite sand has the characteristics of high-temperature resistance, lighting resistance, acid/base resistance, water resistance and friction resistance, is environmentally friendly, non-toxic and harmless and can be extensively applicable to coating materials in the fields of automobiles, articles for daily use, buildings and the like instead of natural pearlite sand.

Description

technical field [0001] The invention belongs to the technical field of safe and environmentally friendly pigments and dyes, and relates to a safe and environmentally friendly pearlescent sand and a preparation method thereof. Background technique [0002] Pearlescent sand is a fine granular material with a porous structure formed from acidic volcanic glass lava after crushing, preheating, and melting and expansion. It has the characteristics of good chemical stability, non-flammable, non-toxic, odorless, and sound-absorbing. Applying it to paint, such as real stone paint, can make the object coated with the paint have a natural and real pearlescent color, give people a sense of elegance, harmony, and solemn beauty, and can improve the chemical corrosion resistance and fire resistance of the object. Combustibility, has been widely used in automobiles, daily necessities, construction and many other fields. [0003] However, it is precisely because of the increasingly widespre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/26
CPCC04B28/26C04B2111/00482C04B14/04C04B22/141C04B22/126C04B14/042C04B14/06
Inventor 侯进全
Owner BNSA NEW MATERIAL SHANGHAI CO LTD
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