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De-molding material capable of replacing paper skin in artificial stone manufacturing process and preparation method of de-molding material

A manufacturing process and release material technology, applied in the direction of coating, etc., can solve the problems of large adhesion, high preparation cost, and long film-forming time, and achieve small adhesion, low preparation cost, and short drying and film-forming time short effect

Active Publication Date: 2017-06-13
GUANGXI LISHENG STONE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a release material that replaces paper skin in the artificial stone manufacturing process and its preparation method, so as to solve the problems of long film-forming time, large adhesion amount and high preparation cost of existing release materials.

Method used

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  • De-molding material capable of replacing paper skin in artificial stone manufacturing process and preparation method of de-molding material

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preparation example Construction

[0037] The preparation method of the demoulding material that replaces paper skin in the described artificial stone manufacturing process, comprises the following steps:

[0038] S1: Add polyvinyl alcohol and 700-1000 ℃ water into the reaction kettle, stir and raise the temperature to 82-84°C to completely dissolve the polyvinyl alcohol, and prepare mixture A;

[0039] S2: Add paraffin, sodium bicarbonate, monoammonium phosphate, initiator, regulator, surfactant, compatibilizer, dispersant, 300-500 parts of water to the mixture A prepared in step S1, and microwave power is 140 -200W, the temperature is 78-82°C, and the rotation speed is 300-500r / min, stirring for 0.6-1.2h to prepare the mixture B;

[0040] S3: Add activated clay, talcum powder, hydrosol aluminum hydroxide, accelerator, light stabilizer, and anti-aging agent to the mixture B prepared in step S2, at a microwave power of 100-130W and a temperature of 55-58°C, Stirring for 0.3-0.5h at a rotating speed of 200-400r...

Embodiment 1

[0043] A release material for replacing paper skin in the artificial stone manufacturing process, which includes the following raw materials in parts by weight: 152 parts of polyvinyl alcohol, 17 parts of paraffin, 8 parts of sodium bicarbonate, 10 parts of activated clay, and 8 parts of talcum powder , 35 parts of aluminum hydroxide in water sol, 8 parts of monoammonium phosphate, 3 parts of initiator, 1.6 parts of regulator, 4.8 parts of surfactant, 0.9 part of accelerator, 0.5 part of compatibilizer, 0.3 part of dispersant, light stabilizer 0.1 part, 0.5 part of anti-aging agent, 1300 parts of water;

[0044] Described initiator is tert-butyl peroxybenzoate;

[0045] The regulator is an acrylate regulator;

[0046] Described tensio-active agent is fatty alcohol polyoxyethylene ether sodium sulfate;

[0047] Described accelerator is dibutyltin dilaurate;

[0048] The compatibilizer is modified polyacrylate;

[0049] The dispersant is dispersant 5040;

[0050] The light ...

Embodiment 2

[0057] A release material for replacing paper skin in the artificial stone manufacturing process, which includes the following raw materials in parts by weight: 125 parts of polyvinyl alcohol, 12 parts of paraffin, 6 parts of sodium bicarbonate, 9 parts of activated clay, and 7 parts of talcum powder , 24 parts of aluminum hydroxide in water sol, 5 parts of monoammonium phosphate, 2 parts of initiator, 1 part of regulator, 3.5 parts of surfactant, 0.7 part of accelerator, 0.3 part of compatibilizer, 0.2 part of dispersant, light stabilizer 0.1 part, 0.3 part of anti-aging agent, 1050 parts of water.

[0058] Described initiator is tert-butyl peroxybenzoate;

[0059] The regulator is an acrylate regulator;

[0060] Described tensio-active agent is fatty alcohol polyoxyethylene ether sodium sulfate;

[0061] Described accelerator is dibutyltin dilaurate;

[0062] The compatibilizer is modified polyacrylate;

[0063] The dispersant is dispersant 5040;

[0064] The light stabil...

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Abstract

The invention discloses a de-molding material capable of replacing a paper skin in an artificial stone manufacturing process and a preparation method of the de-molding material. The de-molding material is prepared from the following raw materials: 122 to 186 parts of polyvinyl alcohol, 12 to 20 parts of paraffin wax, 6 to 10 parts of sodium hydrogen carbonate, 8 to 12 parts of activated clay, 7 to 9 parts of talcum powder, 22 to 50 parts of hydrosol aluminum hydroxide, 5 to 9 parts of monoammonium phosphate, 2 to 4 parts of an initiator, 1 to 2 parts of a regulator, 3 to 6 parts of a surfactant, 0.6 to 1 part of an accelerant, 0.3 to 0.6 part of a compatilizer, 0.2 to 0.4 part of a dispersant, 0.1 to 0.2 part of a light stabilizer, 0.3 to 0.6 part of an anti-ageing agent and 1000 to 1500 parts of water. The de-molding material is prepared through the steps of dissolving by the polyvinyl alcohol, mixing with additives and the like. The de-molding material prepared by the method has the advantages of short drying and film forming time, small adhesive capacity, convenience for utilization and low preparation cost.

Description

[0001] 【Technical field】 [0002] The invention belongs to the technical field of mold release material preparation, and in particular relates to a mold release material for replacing paper skin in the artificial stone manufacturing process and a preparation method thereof. [0003] 【Background technique】 [0004] 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. Using kraft pap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/02C09D4/06C09D7/12
CPCC09D4/06C09D7/61C09D7/63C09D7/65
Inventor 汤雄跃刘松筠余华海罗阳林柳金玉何杰勇欧超华
Owner GUANGXI LISHENG STONE CO LTD
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