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Spraying type release agent for producing artificial stone, preparation method and application method thereof

A technology of artificial stone and mold release agent, which is applied in papermaking, manufacturing tools, textiles and papermaking, etc. It can solve the problems of large adhesion and long film-forming time, achieve enhanced flow performance, shorten drying and film-forming time, and solve the problem of Unstable release effect

Active Publication Date: 2021-05-25
GUANGXI LISHENG STONE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a spray-coating release agent for artificial stone production, a preparation method and a method of use thereof, so as to solve the problems of long film-forming time and large adhesion amount of the existing release agent for artificial stone production. question

Method used

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  • Spraying type release agent for producing artificial stone, preparation method and application method thereof
  • Spraying type release agent for producing artificial stone, preparation method and application method thereof
  • Spraying type release agent for producing artificial stone, preparation method and application method thereof

Examples

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preparation example Construction

[0040] The preparation method of the modified camellia oil comprises the following steps: adding 18 parts by weight of an acetic acid solution with a volume concentration of 26% and 2 parts by weight of polystyrenesulfonic acid to the camellia oil of 63 parts by weight Resin catalyst, after heating up to 52°C, add 40 parts by weight of hydrogen peroxide with a volume concentration of 32%. After adding hydrogen peroxide dropwise, keep the temperature at 52°C for 5.5 hours, and then use carbonic acid Washing with sodium hydrogen solution, then washing with saturated sodium chloride solution until the pH value is 7, then evaporating to remove water, then adding 65 parts by weight of sodium hydroxide ethanol solution to the mixture, and controlling the temperature to react at 62°C for 45min , to obtain modified camellia oil;

[0041] The 1-dodecyl-3-methylimidazole nitrate is 1-dodecyl-3-methylimidazole sodium nitrate;

[0042] The preparation method of the spraying type release ...

Embodiment 1

[0049] A spray-on mold release agent for artificial stone production, in parts by weight, comprising the following raw materials: 48 parts of polyvinyl alcohol, 23 parts of paraffin, 65 parts of hydrotalcite powder, 72 parts of magnesium silicate, 20 parts of aluminum magnesium silicate 8 parts of zinc oxide, 12 parts of magnesium hydroxide, 5 parts of polytetrafluoroethylene, 6 parts of cellulose, 2 parts of xanthan gum, 1.4 parts of sodium tripolyphosphate, 1.8 parts of sodium carbonate, 12 parts of modified camellia oil, 176 parts of 1-dodecyl-3-methylimidazole nitrate, 4 parts of dipotassium octadecylsuccinic acid monoamide sulfonate;

[0050] The hydrotalcite powder is a magnesium aluminum carbonate hydrotalcite powder with a particle size of less than 1.7 μm;

[0051] The particle size of the magnesium silicate is less than 1.2 μm;

[0052] The particle size of the magnesium aluminum silicate is less than 12.3 μm;

[0053] The particle size of the zinc oxide is less th...

Embodiment 2

[0065] A spray-on mold release agent for artificial stone production, which comprises the following raw materials in parts by weight: 40 parts of polyvinyl alcohol, 25 parts of paraffin, 55 parts of hydrotalcite powder, 66 parts of magnesium silicate, and 16 parts of magnesium aluminum silicate 5 parts of zinc oxide, 8 parts of magnesium hydroxide, 2 parts of polytetrafluoroethylene, 3 parts of cellulose, 1 part of xanthan gum, 1 part of sodium tripolyphosphate, 1 part of sodium carbonate, 7 parts of modified camellia oil, 132 parts of 1-dodecyl-3-methylimidazole nitrate, 2 parts of dipotassium octadecylsuccinic acid monoamide sulfonate;

[0066] The hydrotalcite powder is a magnesium aluminum carbonate hydrotalcite powder with a particle size of less than 3.5 μm;

[0067] The particle size of the magnesium silicate is less than 2.4 μm;

[0068] The particle size of the magnesium aluminum silicate is less than 18.7 μm;

[0069] The particle size of the zinc oxide is less tha...

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Abstract

The invention discloses a spray-coating release agent for artificial stone production, a preparation method and a use method thereof, which comprise the following raw materials: polyvinyl alcohol, paraffin, hydrotalcite powder, magnesium silicate, aluminum magnesium silicate, zinc oxide, Magnesium Hydroxide, Teflon, Cellulose, Xanthan Gum, Sodium Tripolyphosphate, Sodium Carbonate, Modified Camellia Oil, 1-Dodecyl-3-Methylimidazole Nitrate, Octadecylsuccinic Acid Dipotassium monoamide sulfonate, the release agent is made through steps such as dissolving polyvinyl alcohol and mixing with additives. The method of use is to spray the mold release agent on the surface of the artificial stone production mold, and after natural drying and curing, an anti-bonding coating is formed on the surface of the mold. The present invention uses polyvinyl alcohol, paraffin, modified camellia oil, 1-dodecyl-3-methylimidazole sodium nitrate, and dipotassium octadecylsuccinic acid monoamide sulfonate as the reinforcement system, which has a synergistic effect , synergistically shorten the drying and film forming time, shorten the production cycle and improve the efficiency.

Description

【Technical field】 [0001] The invention belongs to the technical field of release agent preparation, and in particular relates to a spray-on release agent for producing artificial stone, a preparation method and a use method thereof. 【Background technique】 [0002] Artificial stone is made by mixing calcium carbonate, aluminum oxide, silicon oxide and other aggregates with adhesives, filling them into molds made of steel, wood and other materials, and curing them after vacuum extrusion or vacuum pressure vibration molding. kind of building material. Generally, kraft paper, kraft cardboard, etc. are placed on the surface of the mold to isolate the contact between the artificial stone material and the surface of the mold to achieve the purpose of demoulding. There is also an oil-based release agent coated on the surface of the mold to prevent the artificial stone material from sticking to the surface of the mold. Use kraft paper and kraft cardboard as a release agent. During ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21H21/00B28B7/38
CPCB28B7/384B28B7/388
Inventor 罗阳林钟土有刘松筠汤雄跃邱习良
Owner GUANGXI LISHENG STONE CO LTD
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