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Raw material of artificial quartzite plate and method for preparing artificial quartzite by using the same

A quartz stone plate and raw material technology, applied in the field of building material preparation, can solve the problems of changes, affecting the mechanical properties of products, and high temperature, and achieve the effects of reducing the initiation temperature and energy consumption, improving post-curing performance, high density and hardness

Active Publication Date: 2012-09-12
WUHAN SHARESUN HI TECH BUILDING MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention adopts tert-butyl peroxy-2-ethylhexanoate as curing agent, and the products manufactured by the curing agent have better mechanical properties and are widely favored, but the curing agent has disadvantages: the temperature required for curing is high, Above 100 ℃, so the curing energy consumption is large, and the equipment requirements are high. Under this high temperature condition, the organic pigment paste added to the raw material for dyeing will undergo chemical changes, which will eventually affect the apparent color of the product; in addition, when curing The high temperature reaction is severe, the internal stress of the plate is large, and the phenomenon of cracking is prone to seriously affect the mechanical properties of the product
Some producers choose a medium-temperature curing system curing agent with a lower curing temperature when manufacturing quartz stone, but because the preparation and transportation technology of the medium-temperature system curing agent is not very mature, there is a certain risk, and the mechanical properties of the prepared product are relatively low. Inferior, and less used in the industry

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A raw material for artificial quartz stone plates, which is composed of matrix materials and additives. The content of each component of the matrix materials is calculated by weight percentage: 20% of quartz sand, 70% of quartz powder, 9.5% of unsaturated polyester resin, and 0.5% of color paste , Additives include the 2.0% compound curing agent that weight is unsaturated polyester resin weight and the coupling agent that weight is 1.5% of unsaturated polyester resin weight, composite curing agent is tert-butyl peroxybenzoate (TBPB) and peroxide Benzoyl oxide (BPO) composition, the weight ratio of TBPB and BPO is 9: 1, does not add promotor, and coupling agent is the organic silane coupling agent that the article number that buys on the market is KH570; Quartz sand is made of 4 orders< Particle size ≤ 6 mesh, 6 mesh < particle size ≤ 8 mesh, 8 mesh < particle size ≤ 16 mesh, 16 mesh < particle size ≤ 20 mesh, 20 mesh < particle size ≤ 40 mesh, 40 mesh < particle size ≤ 7...

Embodiment 2

[0032] A raw material for artificial quartz stone plate, which is composed of base material and additives. The content of each component of the base material is calculated by weight percentage: 70% of quartz sand, 20% of quartz powder, 9.7% of unsaturated polyester resin, and 0.3% of color paste , the additives include a weight that is 1.0% composite curing agent of unsaturated polyester resin weight and a weight that is 0.5% coupling agent of unsaturated polyester resin weight, composite curing agent is benzoyl peroxide (BPO), benzoyl peroxide Composition of tert-butyl formate (TBPB) and dicumyl peroxide, the ratio of BPO weight to the sum of TBPB and dicumyl peroxide weight is 3 / 7, adding 20% ​​N, N-dimethyl Aniline and weight account for TBPB and dicumyl peroxide weight sum of 20% cobalt isooctanoate as accelerator, coupling agent is the organic silane coupling agent of KH580 purchased on the market; quartz sand is made of 8 mesh <Particle size≤16mesh, 16mesh<Particle size≤...

Embodiment 3

[0036] A raw material for artificial quartz stone plate, which is composed of base material and additives. The content of each component of the base material is calculated by weight percentage: 60% of quartz sand, 30% of quartz powder, 9.3% of unsaturated polyester resin, and 0.7% of color paste , the additives include 0.8% composite curing agent by weight of unsaturated polyester resin weight and 1.0% coupling agent by weight of unsaturated polyester resin weight, composite curing agent is methyl ethyl ketone peroxide and 2-ethylhexyl peroxide Acid tert-butyl ester composition, the weight ratio of methyl ethyl ketone peroxide and peroxy-2-ethylhexanoic acid tert-butyl ester is 1 / 4, add the cobalt naphthenate whose weight accounts for 28% of composite curing agent gross weight as accelerator, even The coupling agent is an organic silane coupling agent with the product number KH580 purchased on the market; the quartz sand is from 4 mesh < particle size ≤ 6 mesh, 6 mesh < particl...

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Abstract

The invention discloses a raw material of an artificial quartzite plate and a method for preparing artificial quartzite by using the same. The raw material of the artificial quartzite plate comprises a substrate material and additives, wherein the substrate material comprises 20-70 wt% of quartz sand, 20-70 wt% of quartz powder, 8-12 wt% of unsaturated polyester resin, and 0.3-0.7 wt% of color paste; the additives comprise a composite curing agent and a coupling agent, the weight of the composite curing agent is 0.8-2.0 % of the weight of the unsaturated polyester resin, and the weight of the coupling agent is 0.5-1.5 % of the weight of the unsaturated polyester resin; the composite curing agent is prepared by mixing a middle-temperature curing agent and a high-emperature curing agent, and the weight ratio of the middle-temperature curing agent to the high-temperature curing agent is 1 / 9-3 / 7. Practices show that by using the raw material to prepare artificial quartzite, the cost is low, the efficiency is high, and the comprehensive properties of the product are excellent.

Description

technical field [0001] The invention belongs to the technical field of building material preparation, and specifically refers to a raw material of artificial quartz stone plate and a method for preparing artificial quartz stone using the raw material. Background technique [0002] As the latest artificial building material, artificial quartz stone has incomparable advantages of natural stone such as high strength, high hardness, high temperature resistance, corrosion resistance, anti-aging, easy cleaning, wear resistance, pure material, and no radiation. Today, as natural stone is being exhausted as a non-renewable resource, artificial quartz stone is the best substitute. At the same time, artificial quartz stone can use waste glass as raw material, thus realizing resource reuse while protecting the environment. These advantages make Artificial quartz stone has become an upstart in the architectural decoration industry, and is widely used in cabinets, bathrooms, floors and w...

Claims

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Application Information

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IPC IPC(8): C04B26/18C04B111/54
Inventor 孔祥文
Owner WUHAN SHARESUN HI TECH BUILDING MATERIAL
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