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Preparation method of lightweight composite board

A composite board, lightweight technology, applied in the field of architectural decoration, can solve the problems of resin curing, large amount of resin, high temperature resistance, etc., to achieve the effect of dense and uniform material, high natural texture and low water absorption

Inactive Publication Date: 2018-11-30
北京禾木之家科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. Resin-type artificial stone uses unsaturated polyester resin as the cementing agent. Since unsaturated polyester resin is liquid and other inorganic fillers are solid powder, it is not easy to mix evenly when mixing, and it is easy to generate heat during mixing, causing the resin to solidify in advance. The material of the finished sheet is uneven, easy to crack, warp and deform
[0005] 2. Resin-type artificial stone uses unsaturated polyester resin as the cementing agent, and the amount of resin used is too large, resulting in high cost of the finished board, not resistant to high temperature, and is a combustible material

Method used

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  • Preparation method of lightweight composite board
  • Preparation method of lightweight composite board

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The present embodiment provides a kind of preparation method of lightweight composite board, and the steps include:

[0036] 1) According to the number of parts by weight, select 10 parts of crushed 40-mesh stone powder; choose a mesh number of 100 and a density of 300KG / m 3 50 parts of fly ash-based microbead particles; choose 10 parts of ordinary Portland cement P.O 32.5; choose 6 parts of thermosetting phenolic resin powder;

[0037] 2) First put 10 parts of stone powder into the stirring tank, and the rotation speed of the stirring tank is 600r / min; then put 3 parts of resin powder into the stirring tank, and the stirring time is 10min; then put 50 parts of fly ash-based microbeads The particles are put into the stirring tank, and the stirring time is 15 minutes; finally, 10 parts of ordinary Portland cement P.O 32.5 and 3 parts of resin powder are put into the stirring tank, and the stirring time is 10 minutes;

[0038] 3) Lay one deck of wheat flake paper on the ...

Embodiment 2

[0063] The present embodiment provides a kind of preparation method of lightweight composite board, and the steps include:

[0064]1) According to the number of parts by weight, select 20 parts of crushed 200-mesh stone powder; choose a mesh number of 150 and a density of 400KG / m 3 70 parts of fly ash-based microbead particles; choose 20 parts of white Portland cement P.W 32.5; choose 8 parts of thermosetting phenolic resin powder;

[0065] 2) First put 20 parts of stone powder into the stirring tank, and the rotation speed of the stirring tank is 800r / min; then put 4 parts of resin powder into the stirring tank, and the stirring time is 10min; then put 70 parts of fly ash-based microbeads The particles are put into the stirring tank, and the stirring time is 20 minutes; finally, 20 parts of white Portland cement P.W 32.5 and 4 parts of resin powder are put into the stirring tank, and the stirring time is 20 minutes;

[0066] 3) Lay a layer of kraft paper on the bottom plate ...

Embodiment 3

[0091] The present embodiment provides a kind of preparation method of lightweight composite board, and the steps include:

[0092] 1) According to the number of parts by weight, select 15 parts of crushed 100-mesh stone powder; choose a mesh number of 120 and a density of 350KG / m 3 60 parts of fly ash-based microbead particles; choose 15 parts of white Portland cement P.W 32.5; choose 7 parts of thermosetting phenolic resin powder;

[0093] 2) First put 15 parts of stone powder into the stirring tank, and the rotation speed of the stirring tank is 700r / min; then put 3 parts of resin powder into the stirring tank, and the stirring time is 15 minutes; then put 60 parts of fly ash-based microbeads The particles are put into the stirring tank, and the stirring time is 18 minutes; finally, 15 parts of white Portland cement P.W 32.5 and 4 parts of resin powder are put into the stirring tank, and the stirring time is 15 minutes;

[0094] 3) Lay a layer of kraft paper on the bottom ...

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Abstract

The invention discloses a preparation method of a lightweight composite board. The preparation method comprises following steps: raw material mixing, die material distribution, normal temperature pre-compressing, hot pressing solidification, cooling, die-opening, aging, trimming and cutting, thickness fixing and sanding, standard size cutting, polishing, and board surface composite treatment. Theobtained lightweight composite board is nontoxic, possesses no radioactivity, reaches flame resistance A2 grade, possesses oil resistance, stain resistance, mildew resistance, antibacterial performance, wear resistance, impact resistance, is abundant in color, uniform in color, high and uniform in texture density, extremely high in natural texture performance, strength, and hardness, and can be used for UV coating or other surface composite processing based on different application requirements; maintenance is convenient; seamless splicing can be realized; and the moulding can be changed.

Description

technical field [0001] The invention relates to the field of building decoration industry, in particular to a preparation method of a lightweight composite board. Background technique [0002] Artificial stone usually refers to artificial stone solid surface material, artificial stone quartz stone, artificial stone granite and so on. Different types of artificial stone have different compositions. The main components are resin, aluminum powder, pigment and curing agent. Artificial stone is a "polymer material polymer", usually based on unsaturated resin and aluminum hydroxide filler, "polymer solid board" formed by stirring, pouring, heating, polymerization and other processes, generally called : "resin board artificial stone". [0003] Resin-type artificial stone is made of unsaturated polyester resin as a cement, mixed with aluminum hydroxide powder, natural marble crushed stone, quartz sand, calcite, stone powder or other inorganic fillers in a certain proportion, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/08C04B28/04B28B3/00
CPCB28B3/00C04B28/04C04B2111/00025C04B2111/2092C04B2111/28C04B2111/40C04B2201/30C04B2201/50C04B18/082C04B18/12C04B24/302
Inventor 生晓东李学业
Owner 北京禾木之家科技发展有限公司
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