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Thermoplastic acrylic building exterior wall coating and preparation method thereof

A technology of thermoplastic acrylic and building exterior walls, which is applied in the direction of coating, etc., can solve the problems of difficult three-dimensional network cross-linking structure, brittle coating film at high temperature, poor solvent release, etc., and achieve the improvement of brittleness at low temperature and high temperature Viscous, good resin fluidity, low surface tension effect

Inactive Publication Date: 2015-09-09
玉渊
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the resin has a linear structure, it is difficult to form a stable three-dimensional network cross-linked structure, and its coating film has the characteristics of being brittle at low temperature and sticky at high temperature, poor solvent release, and poor solvent resistance.
2. Resin acid value
[0012] Due to the impact of the environment and climate, the above product coatings can no longer meet the needs of our country's building exterior walls after the 1990s. Therefore, we have developed a product with strong adhesion, strong chemical resistance, acid and alkali resistance, water resistance, and solvent resistance. Temperature change resistance, good weather resistance, good stain resistance, long service life of the coating film, but also: environmental protection, safety, pollution-free, non-toxic thermoplastic acrylic architectural exterior wall coatings are necessary

Method used

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  • Thermoplastic acrylic building exterior wall coating and preparation method thereof
  • Thermoplastic acrylic building exterior wall coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] First, 90 kg of architectural thermoplastic acrylic resin emulsion, 30 kg of silicone modified acrylic resin emulsion, 30 kg of dimethyl carbonate, 5 kg of dibasic acid ester, 1 kg of chlorinated paraffin-52, 25 kg of rutile titanium dioxide, 5 kg of silicon oxide, 5 kg of superfine talc powder, 5 kg of mica powder, and 6 kg of additives were uniformly mixed in a high-speed disperser in proportion to 15 minutes; the mixed materials were ground three times by a sand mill, each time about 1 o'clock. When the fineness reaches below 25 microns, it can be weighed and packaged as a finished product.

Embodiment 2

[0062]First, 120 kg of building thermoplastic acrylic resin emulsion, 40 kg of silicone modified acrylic resin emulsion, 50 kg of dimethyl carbonate, 7 kg of dibasic acid ester, 2 kg of chlorinated paraffin-52, 40 kg of rutile titanium dioxide, 7 kg of silicon oxide, 7 kg of superfine talc powder, 7 kg of mica powder, and 8 kg of additives were uniformly mixed in a high-speed disperser in proportion for 15 minutes; the mixed materials were ground three times by a sand mill, each time about 1 o'clock. When the fineness reaches below 25 microns, it can be weighed and packaged as a finished product.

Embodiment 3

[0064] First, 150 kg of building thermoplastic acrylic resin emulsion, 50 kg of silicone modified acrylic resin emulsion, 70 kg of dimethyl carbonate, 8 kg of dibasic acid ester, 3 kg of chlorinated paraffin-52, 50 kg of rutile titanium dioxide, 8 kg of silicon oxide, 8 kg of superfine talc powder, 8 kg of mica powder, and 9 kg of additives were uniformly mixed in a high-speed disperser in proportion to 15 minutes; the mixed materials were ground three times by a sand mill, each time about 1 o'clock. When the fineness reaches below 25 microns, it can be weighed and packaged as a finished product.

[0065] The thermoplastic acrylic building exterior wall paint of the present invention is used in high-grade building exterior wall decoration, house surface, steel structure facility surface, and outdoor large-scale sculpture coating, all play good adhesion, strong chemical resistance, acid resistance Alkalinity, water resistance, good solvent resistance, temperature change resist...

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Abstract

The invention discloses a thermoplastic acrylic building exterior wall coating and a preparation method thereof. The preparation method comprises the following steps: uniformly mixing a thermoplastic acrylic resin emulsion, an organic silicone modified acrylic resin emulsion, dimethyl carbonate, dibasic acid ester, chlorinated paraffin-52, rutile-type titanium dioxide, fillers and aids in a high-speed dispersion machine in proportion for 15 minutes; milling the mixed material for three times by a sand mill, wherein the material is milled for about 1h at each time, and when the fineness is smaller than 25 microns, the milled material serving as a finished product can be weighed and packaged. The thermoplastic acrylic building exterior wall coating has the advantages of strong adhesive force, strong chemical resistance, acid-base resistance, water resistance, strong solvent resistance, temperature variation resistance, strong weather resistance, strong stain resistance and long service life of a film, and has the characteristics of being environment-friendly, safe, pollution-free and nonhazardous.

Description

technical field [0001] The invention relates to a building coating, in particular to a thermoplastic acrylic building exterior wall coating and a preparation method thereof. Background technique [0002] The beauty of a building mainly depends on the shape of the building, the application of exterior wall finishing materials and the quality of its construction; the finish must not only be strong, but also beautiful, and many traditional finishing methods are increasingly unable to meet the requirements. Finishing requirements of modern buildings. The mechanization and industrialization of the main structure of modern buildings are developing rapidly, and ordinary finishes are not suitable for the mechanized construction of the main structure in terms of aesthetics and speed. The construction period even exceeds 1 to 2 times that of the main structure. The key issue, in this case, in order to speed up the construction, reduce the labor intensity of exterior wall finishes, an...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D7/12
CPCC09D133/00C08K2201/014C08L2205/025C08L2205/03C09D7/20C09D7/61C09D7/63C09D7/65C08L33/00C08L91/06C08K13/02C08K2003/2241C08K3/34C08K3/36
Inventor 玉渊陆强
Owner 玉渊
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