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Primer-topcoat building interior and exterior wall coating and preparation method thereof

A technology for interior and exterior walls and buildings, applied in the direction of coating, etc., can solve the problems of coating peeling, uneven primer coating, coating efflorescence, etc., and achieve good penetration and sealing performance

Inactive Publication Date: 2021-01-29
SHENZHEN JIADA HIGH TECH IND DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Since the main body of the building structure is reinforced concrete structure, due to the characteristics of the cement itself, alkaline substances will continue to seep out during use. If no sealing measures are taken, the coating will soon appear pan-alkaline, faded, powdered, etc. For the renovation of existing buildings, due to the complex conditions of the original wall surface, such as oil stains, powdering, etc., if no primer is used, the coating after construction is prone to peeling off, cracking, etc. Phenomenon
[0004] In the actual construction process, due to the need to add a layer of labor to apply the primer, in many cases, construction workers will not apply the primer, the primer will be applied unevenly, or the primer will be directly added to the topcoat for construction. Therefore Leading to a large number of poor building decoration

Method used

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  • Primer-topcoat building interior and exterior wall coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017]Add 10 parts of water, 0.5 parts of silane coupling agent (MP-200), 0.6 parts of defoamer (byk-012), and 0.8 parts of wetting and dispersing agent (5040) into the paint let-down tank and stir at 600rpm 20min, add 18 parts of titanium dioxide (rutile type) and 12 parts of filler (8 parts by weight calcium CM-6000 and 4 parts of calcined kaolin filler) in the pigment, increase the speed to 2000rpm, grind to 30μm, add 45 parts of (inorganic Silicon modified acrylic polymer resin), while stirring, add 4.0 parts of film-forming aid (TEXANOL alcohol ester 12) and continue stirring for 20 minutes, then add 0.8 parts of thickener (TEGO ViscoPlus 3030) to adjust to the required viscosity, add 80.5 Part of the antibacterial and antifungal agent (DOWICIL QK-20), and finally add 2 parts of the color paste (Clariant water-based color paste), mix well and then discharge and pack.

Embodiment 2

[0019]Add 20 parts of water, 0.3 part of silane coupling agent (MP-200), 0.4 part of defoamer (byk-012), 1.0 part of wetting and dispersing agent into the paint let-down tank, stirring at 500rpm for 20min, adding 8 parts of titanium dioxide (anatase) and 20 parts of fillers (12 parts by weight of calcium CM-6000 and 8 parts of calcined kaolin filler) in the pigment, increase the speed to 2000rpm, grind to 20μm, and add 25 parts of inorganic modified polymer Material resin (inorganic silicon modified acrylic polymer resin), while stirring, add 2.0 parts of film forming aid (TEXANOL alcohol ester 12) and continue stirring for 20 minutes, then add 1.0 part of thickener (TEGO ViscoPlus 3030) to adjust to the requirements For viscosity, add 0.4 parts of antibacterial and antifungal agent (DOWICIL QK-20), mix well and then discharge and pack.

Embodiment 3

[0021]Add 15 parts of water, 0.4 parts of silane coupling agent (MP-200), 0.5 parts of defoamer (byk-012), 0.8 parts of wetting and dispersing agent (5040) into the paint let-down tank, and stir at 500rpm 15min, add 15 parts of titanium dioxide (rutile type) and 15 parts of filler (9 parts by weight calcium CM-6000 and 6 parts of calcined kaolin filler) in the pigment, increase the speed to 1500rpm, grind to 30μm, add 35 parts of inorganic Polymer resin (inorganic silicon modified acrylic polymer resin), while stirring, add 3 parts of film forming aid (TEXANOL alcohol ester 12) and continue stirring for 20 minutes, then add 0.8 parts of thickener (TEGO ViscoPlus 3030) to adjust To the required viscosity, add 0.5 parts of antibacterial and antifungal agent (DOWICIL QK-20), mix well and then discharge and pack.

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Abstract

The invention relates to the technical field of building coatings, in particular to a primer-topcoat building interior and exterior wall coating and a preparation method thereof. The primer-topcoat integrated building interior and exterior wall coating for the building exterior wall thermal insulation putty is prepared from the following raw materials: inorganic modified polymer resin, a silane coupling agent, a defoaming agent, a wetting dispersant, a pigment, a filler, a thickening agent, an antibacterial mildew preventive, a coalescing agent and water. The inorganic modified polymer resin has the beneficial effects that the inorganic modified polymer resin has good permeation and sealing performance on a base material, harmful substances such as salt and alkali of the base material canbe sealed, a continuous and complete firm coating can be formed on the surface, the silane coupling agent has good infiltration adsorbability, good adhesion can be formed between the organic resin andthe inorganic base material, so that the organic resin can better permeate into gaps of the base material to form sealing and reinforcing effects, thereby achieving the effects of sealing, reinforcing and decorating by adopting one-time construction.

Description

Technical field[0001]The invention relates to the technical field of architectural coatings, in particular to a bottom-surface-integrated architectural interior and exterior wall coating and a preparation method thereof.Background technique[0002]my country currently has an existing building area of ​​more than 50 billion square meters, and at the same time newly builds 1.6 billion to 2 billion square meters each year. Most of the decorations in these buildings are made with exterior wall coatings. In 2019, my country's architectural coatings have reached more than 10 million tons, of which interior and exterior wall architectural coatings have reached more than 5.5 million tons. The application of coatings in interior and exterior decoration of buildings is increasing. Many, especially for the renovation of a large number of existing buildings, architectural coatings have a great advantage.[0003]Since the main building structure is made of reinforced concrete structure, due to the c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D7/61
CPCC09D133/04C09D7/61C08K2003/2241C08K2003/265C08K13/02C08K3/346C08K3/26C08K3/22
Inventor 关有俊熊永强
Owner SHENZHEN JIADA HIGH TECH IND DEV