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Anti-fouling and anti-cracking artificial marble and preparation method thereof

A technology of artificial marble and marble, which is applied in the field of anti-fouling and anti-cracking artificial marble and its preparation, and can solve the problems of increased viscosity, poor crack resistance, and high water absorption of the composite system

Inactive Publication Date: 2021-09-14
深圳市新佰人建筑材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem mainly solved by the present invention is to prepare artificial marble with calcium sulfate as a filler at present, which will lead to a sharp increase in the viscosity of the composite system, high water absorption, and poor crack resistance. In order to solve the above technical problems, the purpose of the present invention is to provide Anti-fouling and anti-cracking artificial marble and preparation method thereof

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0049] Weigh the bamboo strips and put them into the steam explosion tank, fill the steam explosion tank with water vapor at a temperature of 200°C until the pressure in the tank rises to 1.6 MPa, let it stand at constant temperature and pressure for 50 minutes, release the pressure immediately after standing, and collect Steam-exploded fibers at the discharge port; place the above-mentioned steam-exploded fibers flatly on a corona discharge apparatus, under the conditions of a processing voltage of 10kV, a processing time corresponding to each group of voltages of 22s / 3cm, and a processing temperature of 90°C , carry out corona treatment, obtain modified fiber; Be 80:2:1:500 by mass ratio with above-mentioned modified fiber, potassium dodecyl phosphate, nonylphenol polyoxyethylene ether and concentration be 0.4mol / After the calcium chloride solution of 1 L is mixed, put it into an ultrasonic vibrator, and mix it with 30kHz frequency ultrasonic vibration for 20min to obtain th...

example 2

[0051] Weigh the bamboo strips and put them into the steam explosion tank, fill the steam explosion tank with water vapor at a temperature of 210°C until the pressure in the tank rises to 1.7MPa, let it stand at constant temperature and pressure for 55 minutes, release the pressure instantly after standing, and collect Steam-exploded fibers at the discharge port; place the above-mentioned steam-exploded fibers flatly on a corona discharge apparatus, under the conditions of a treatment voltage of 11kV, a treatment time corresponding to each group of voltages of 24s / 3cm, and a treatment temperature of 95°C , carry out corona treatment, obtain modified fiber; Be 80:2:1:500 by mass ratio with above-mentioned modified fiber, potassium dodecyl phosphate, nonylphenol polyoxyethylene ether and concentration be 0.4mol / After the calcium chloride solution of 1 L is mixed, put it into an ultrasonic vibrator, and mix it with 35 kHz frequency ultrasonic vibration for 25 minutes to obtain th...

example 3

[0053] Weigh the bamboo sticks and put them into the steam explosion tank, fill the steam explosion tank with water vapor at a temperature of 220°C until the pressure in the tank rises to 1.8 MPa, let it stand at constant temperature and pressure for 60 minutes, release the pressure instantly after standing, and collect Steam-exploded fibers at the discharge port; place the above-mentioned steam-exploded fibers flatly on a corona discharge apparatus, under the conditions of a treatment voltage of 12kV, a treatment time corresponding to each group of voltages of 25s / 3cm, and a treatment temperature of 100°C , carry out corona treatment, obtain modified fiber; Be 80:2:1:500 by mass ratio with above-mentioned modified fiber, potassium dodecyl phosphate, nonylphenol polyoxyethylene ether and concentration be 0.4mol / After the calcium chloride solution of 1 L is mixed, put it into an ultrasonic vibrator, and mix it with 40 kHz frequency ultrasonic vibration for 30 minutes to obtain ...

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Abstract

The invention relates to anti-fouling and anti-cracking artificial marble and a preparation method thereof, and belongs to the technical field of artificial stone preparation. The preparation method comprises the following steps: firstly, bamboo splits are used as a raw material, steam explosion fiber breaking is performed to obtain steam explosion fibers rich in hydroxyl groups on the surfaces, then surface corona treatment is performed on the steam explosion fibers to obtain modified fibers, then the modified fibers are used as a template, and calcium sulfate whiskers are deposited on the surfaces of the modified fibers to obtain fibrous calcium sulfate whiskers; then sodium silicate and hydrochloric acid react to generate orthosilicic acid precipitates which are adhered to the surfaces of the fibrous calcium sulfate whiskers, then hydrolysis is carried out at high temperature and high pressure to generate nano silicon dioxide, the nano silicon dioxide coats the surfaces of the fibrous calcium sulfate whiskers, and silicon-coated modified fibrous calcium sulfate whiskers are obtained; and curing is performed under the action of a curing agent, finally, the anti-fouling and anti-cracking artificial marble is prepared, and the anti-fouling and anti-cracking artificial marble has excellent anti-fouling and anti-cracking performance and is wide in application prospect.

Description

technical field [0001] The invention relates to an anti-fouling and anti-cracking artificial marble and a preparation method thereof, belonging to the technical field of artificial stone preparation. Background technique [0002] At present, artificial marble is prepared by blending natural stone powder, mineral or resin slices and other additives in synthetic resins such as acrylic resins, unsaturated polyester resins and epoxy resins, or cement. After stirring, grinding and polishing Made of artificial marble, so artificial marble has many characteristics of natural marble. There are usually four types of artificial marble commonly seen on the market: cement artificial marble, polyester artificial marble, composite artificial marble, and sintered artificial marble. [0003] Aluminum hydroxide powder is generally used as the filler of artificial stone resin in the market, but because aluminum is an important raw material for the national economy and the people's livelihood...

Claims

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Application Information

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IPC IPC(8): C04B26/18C04B111/27C04B111/34C04B111/54
CPCC04B26/18C04B2111/545C04B2201/50C04B2111/27C04B2111/343C04B14/383C04B18/265C04B24/003C04B24/32C04B22/124C04B22/141C04B22/00C04B22/122C04B24/008C04B24/40
Inventor 雷春艳
Owner 深圳市新佰人建筑材料科技有限公司
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