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Special-purpose organic silicon rubber waterproof paint for external wall and preparing method thereof

A technology of silicone rubber and waterproof coating, applied in antifouling/underwater coatings, coatings, paints containing biocides, etc., can solve the problems of high cost and large consumption, and achieve simple construction, low cost and long service life. long effect

Inactive Publication Date: 2008-03-26
青州市利达防水材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cost of this type of hydrophobic interface agent is too high, and the dosage is also large. When the coating has practical stain resistance, the required cost is even more t

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Water 15%, silicone rubber emulsion 5.37%, sodium lauryl benzoxanthate emulsion 0.5%, phthalic acid 26.5%, S-100 emulsifier 15%, 5040 dispersant 1%, sodium chloride 0.02%, Vinyl caproate 10%, isooctyl alcohol 0.01%, bentonite 1%, heavy calcium carbonate 12%, wollastonite 10%, iron oxide 0.5%, titanium dioxide 2%, iron oxide yellow 0.1%, defoamer 1 %

[0032] The preparation method includes the following steps:

[0033] (1) Dissolve sodium chloride with 5% water and set aside;

[0034] (2) Mix sodium dodecyl benzoxanthate and silicone rubber emulsion, stir mechanically for 5 minutes, and then set aside;

[0035] (3) Mix the emulsifier and phthalic acid, add 5% water to disperse for 5 minutes, then add the sodium chloride solution prepared in step (1), mechanically stir for 10 minutes, and place it in the suction tank for suction. After the suction is completed, disperse for 15-20 minutes;

[0036] (4) Add vinyl acetate and dispersant to the suction tank for suction, and disp...

Embodiment 2

[0044] Water 12%, silicone rubber emulsion 4.35%, sodium lauryl benzoxanthate emulsion 0.4%, phthalic acid 27%, S-100 emulsifier 12%, 5040 dispersant 1.5%, sodium chloride 0.03%, Vinyl caproate 12%, isooctyl alcohol 0.02%, bentonite 2%, heavy calcium carbonate 13%, wollastonite 12%, iron oxide 0.6%, titanium dioxide 2%, iron oxide red 0.1%, defoamer 1 %.

[0045] The preparation method includes the following steps:

[0046] (1) Dissolve sodium chloride with 4% water and set aside;

[0047] (2) Mix sodium dodecyl benzoxanthate and silicone rubber emulsion, stir mechanically for 5 minutes, and then set aside;

[0048] (3) Mix the emulsifier and phthalic acid, add 4% water to disperse for 5 minutes, then add the sodium chloride solution prepared in step (1), mechanically stir for 10 minutes, and place it in the suction tank for suction. After the suction is completed, disperse for 15-20 minutes;

[0049] (4) Add vinyl acetate and dispersant to the suction tank for suction, and disper...

Embodiment 3

[0058] Water 18%, silicone rubber emulsion 3.5%, sodium dodecyl benzoxanthate emulsion 0.3%, phthalic acid 16%, S-100 emulsifier 7%, 5040 dispersant 1.14%, sodium chloride 0.04%, Vinyl caproate 15%, isooctyl alcohol 0.02%, bentonite 2%, heavy calcium carbonate 17%, wollastonite 15%, iron oxide 0.8%, titanium dioxide 3%, iron oxide red 0.2%, defoamer 1 %.

[0059] The preparation method includes the following steps:

[0060] (1) Dissolve sodium chloride with 6% water and set aside;

[0061] (2) Mix sodium dodecyl benzoxanthate and silicone rubber emulsion, stir mechanically for 5 minutes, and then set aside;

[0062] (3) Mix the emulsifier and phthalic acid, add 6% water to disperse for 5 minutes, then add the sodium chloride solution prepared in step (1), mechanically stir for 10 minutes, and place it in the suction tank for suction. After the suction is completed, disperse for 15-20 minutes;

[0063] (4) Add vinyl acetate and dispersant to the suction tank for suction, and disperse...

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Abstract

The present invention relates to waterproof silicone rubber paint for outer wall and its preparation process. The paint is prepared with water, silicone rubber emulsion, sodium dodecyl benzene sulfonate emulsion, phthalic aid, emulsifier, dispersant, sodium chloride, vinyl caproate, isooctanol, bentonite, heavy calcium carbonate, wollastonite, ferric oxide, titanium white powder, pigment and defoaming agent. The paint has the advantages of no toxicity, no smell, no crack, high weather resistance, long service life, low cost, environment friendship, etc. and is suitable for use in outer wall.

Description

Technical field [0001] The invention relates to a waterproof coating, in particular to a special organic silicon rubber waterproof coating for external walls and a preparation method thereof, and belongs to the technical field of building materials. Background technique [0002] Among various exterior wall coatings, polyurethane coatings, epoxy resin coatings, fluororesin coatings, acrylic resin coatings, polyacrylate emulsions, silicone-acrylate copolymer emulsions, organic fluorine modified acrylate emulsions, etc. are commonly used. Among them, fluororesin coatings are the most durable exterior coatings, but the cost is too high, the requirements for construction technology and technical conditions are very strict, and the amount is limited. For example, Chinese patent CN1182764A discloses a "building synthetic resin emulsion exterior wall cladding coating and its preparation method" using vinyl alcohol resin, and the glass transition temperature of the thermoplastic polymer i...

Claims

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Application Information

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IPC IPC(8): C09D183/04C09D5/16
Inventor 杨鹏
Owner 青州市利达防水材料有限公司
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