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Styrene-acrylic emulsion for manufacturing artificial stone, preparation method, and artificial stone prepared from styrene-acrylic emulsion

A technology of artificial stone and emulsion, applied in the field of polymer chemistry and new materials, can solve the problems of large shrinkage, low flame retardancy, poor heat resistance, etc., and achieve small shrinkage, easy processing and shaping, and high weather resistance Effect

Active Publication Date: 2013-10-09
广东海顺新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007]In order to solve the problems that there are a lot of harmful VOC (volatile organic compounds) in artificial stone, and the product has a large shrinkage rate, low flame retardancy, and poor heat resistance, this The invention provides a styrene-acrylate emulsion for making artificial stone, and at the same time, provides the preparation method of the emulsion and the artificial stone produced by the emulsion. The artificial stone has excellent chemical corrosion resistance, pollution resistance, heat resistance and water resistance sex and good hardness

Method used

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  • Styrene-acrylic emulsion for manufacturing artificial stone, preparation method, and artificial stone prepared from styrene-acrylic emulsion
  • Styrene-acrylic emulsion for manufacturing artificial stone, preparation method, and artificial stone prepared from styrene-acrylic emulsion
  • Styrene-acrylic emulsion for manufacturing artificial stone, preparation method, and artificial stone prepared from styrene-acrylic emulsion

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Prepare the styrene-acrylate emulsion for the manufacture of artificial stone with the following formula:

[0051] Mixed monomer 52%

[0052] Emulsifier 0.5%

[0053] Initiator 0.09%

[0054] Oxidizing agent 0.05%

[0055] Reducing agent 0.05%

[0056] water balance

[0057] The mixed monomer is made up of 90 parts of styrene, 20 parts of ethyl acrylate, 40 parts of butyl acrylate, 100 parts of isooctyl acrylate, 1 part of acrylic acid, and 2 parts of acrylamide; the emulsifier is a mass ratio of 1: 1 sodium lauryl sulfate and dodecylbenzenesulfonic acid; the initiator is ammonium persulfate and sodium persulfate with a mass ratio of 1:0.5; the oxidizing agent is butyl hydroperoxide, and the reducing agent is a mass ratio of 1 : 1 sodium sulfite and sodium dithionite.

[0058] Specific steps are as follows:

[0059] ⑴ Mix the emulsifier, one-third of the water and the mixed monomer evenly according to the formula to obtain a uniform mixed solution I;

[0060] (2...

Embodiment 2

[0083] Prepare the styrene-acrylate emulsion for the manufacture of artificial stone with the following formula:

[0084] Mixed monomer 53%

[0085] Emulsifier 0.5%

[0086] Initiator 0.1%

[0087] Oxidizing agent 0.1%

[0088] Reducing agent 0.1%

[0089] water balance

[0090] The mixed monomer is composed of 95 parts of styrene, 25 parts of ethyl acrylate, 35 parts of butyl acrylate, 97 parts of isooctyl acrylate, and 1 part of acrylic acid; the emulsifier is dodecylbenzenesulfonic acid, and the initiator It is sodium persulfate, the oxidizing agent is tert-butyl hydroperoxide, and the reducing agent is sodium sulfite.

[0091] Specific steps are as follows:

[0092] ⑴ Mix the emulsifier, one-third of the water and the mixed monomer evenly according to the formula to obtain a uniform mixed solution I;

[0093] (2) Heat up the remaining two-thirds of the water to 80°C, add an initiator equivalent to 4% of the mass of the mixed solution I, keep it warm for 30 minutes, ...

Embodiment 3

[0115] Prepare the styrene-acrylate emulsion for the manufacture of artificial stone with the following formula:

[0116] Mixed monomer 54%

[0117] Emulsifier 0.6%

[0118] Initiator 0.12%

[0119] Oxidizing agent 0.1%

[0120] Reducing agent 0.1%

[0121] water balance

[0122] The mixed monomer is composed of 100 parts of styrene, 30 parts of ethyl acrylate, 30 parts of butyl acrylate and 95 parts of isooctyl acrylate; the emulsifier is dodecylbenzenesulfonic acid, and the initiator is sodium persulfate , the oxidizing agent is tert-butyl hydroperoxide, and the reducing agent is sodium sulfite. The emulsifier is dodecylbenzenesulfonic acid, the initiator is ammonium persulfate, the oxidizing agent is tert-butyl hydroperoxide, and the reducing agent is sodium dithionite.

[0123] Specific steps are as follows:

[0124] ⑴ Mix the emulsifier, one-third of the water and the mixed monomer evenly according to the formula to obtain a uniform mixed solution I;

[0125](2) H...

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Abstract

The invention provides a styrene-acrylic emulsion for manufacturing artificial stone for solving the problems of lots of harmful VOCs (volatile organic compounds) existing in artificial stone, as well as high shrinkage percentage, low flame retardance, bad corrosion resistance, low hardness and the like of products, and provides a preparation method for the emulsion, and artificial stone prepared from the emulsion. The artificial stone is excellent in chemical corrosion resistance, pollution resistance, heat resistance and water resistance, and great in hardness.

Description

technical field [0001] The invention relates to a styrene acrylate emulsion used for manufacturing artificial stones, a preparation method thereof and the prepared water-based artificial stone, belonging to the fields of polymer chemistry and new materials. Background technique [0002] Artificial stone is a new product that first appeared in the United States in the 1930s. There are many ways to manufacture artificial stone, and the main raw materials are adhesives and fillers. Adhesive is the most important factor to determine the quality of artificial stone. From the perspective of adhesives, artificial boulders can be divided into two categories: inorganic artificial stones and organic polymer artificial stones. [0003] Among them, organic artificial stone has been sought after by people because of its superior performance. The current artificial stone research work is progressing rapidly. Some problems it faces, such as the aging problem of organic polymer artifici...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F212/08C08F220/18C08F2/26C08F4/40C04B26/06
Inventor 付少辉易承志
Owner 广东海顺新材料科技有限公司
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