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A two-component paste sealant

A caulking agent and two-component technology, applied in the field of two-component paste caulking agent, can solve the problems such as dust is not easy to clean, the caulking agent loses luster, affects the appearance of decoration, etc., and achieves strong hydrophobicity and easy cleaning. , Good stain resistance

Active Publication Date: 2017-10-10
北京宝辰联合科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the one-component caulking agent has good stain resistance, it is easy to shrink and collapse, which not only affects the decorative appearance, but also makes it difficult to clean the dust accumulated in the depression, which makes the caulking agent lose its bright luster.

Method used

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  • A two-component paste sealant

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The two-component paste sealant of the present invention includes A component and B component.

[0035] Component A includes the following ingredients in mass percent: 35% of acrylic acid emulsion, 0.2% of polyoxyethylene alkyl aryl ether surfactant, 0.5% of silicone defoamer, 1% of polyacrylic acid sodium salt dispersant, 800 40% heavy calcium carbonate, 15% nano-titanium dioxide, 0.5% silicone water repellent, 0.7% hydrophobically modified acrylic thickener, 0.1% bactericidal preservative, and 7% water.

[0036] Component B is a blocked water-based polyisocyanate crosslinking agent.

[0037] When using, mix component A and component B uniformly at a mass ratio of 20:1.

Embodiment 2

[0039] The two-component paste sealant of the present invention includes A component and B component.

[0040] Component A includes the following ingredients in mass percent: 40% water-based polyurethane emulsion, 1% propylene glycol, 0.3% polyoxyethylene alkyl aryl ether surfactant, 0.6% silicone defoamer, polyacrylic acid ammonium salt dispersion 1%, heavy calcium carbonate 35%, light calcium carbonate 10%, nano-zinc oxide 4%, nano-titanium dioxide 5%, organic silicon water repellent 1.5%, polyurethane thickener 0.5%, bactericidal preservative 0.1% ,Water1%.

[0041] Component B is a blocked water-based polyisocyanate crosslinking agent.

[0042] When using, mix components A and B evenly at a mass ratio of 15:1.

Embodiment 3

[0044] The two-component paste sealant of the present invention includes A component and B component.

[0045] Component A includes the following ingredients in mass percent: 30% water-based polyurethane emulsion, 1.5% ethylene glycol, 0.2% polyoxyethylene free radical phenol surfactant, 0.6% mineral oil defoamer, polyacrylic acid ammonium salt dispersion 1.2% agent, 20% heavy calcium carbonate, 20% quartz powder, 20% nano-zinc oxide, 1% organic silicon water repellent, 0.3% hydroxyethyl cellulose ether, 0.2% bactericidal preservative, and 5% water.

[0046] Component B is a blocked water-based polyisocyanate crosslinking agent.

[0047] When using, mix components A and B evenly at a mass ratio of 18:1.

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PUM

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Abstract

The invention discloses a pasty joint mixture comprising two components. The joint mixture comprises a component A and a component B, wherein the component A comprises ingredients in percentage by mass as follows: 30%-40% of water-based polymer resin, 0%-1.5% of an anti-freezing agent, 0.2%-0.5% of a wetting agent, 0.2%-0.6% of an antifoaming agent, 1%-1.5% of a dispersing agent, 40%-50% of filler, 10%-20% of a photocatalyst, 0.5%-1% of a water repellent, 0%-0.8% of a thickener, 0.1%-0.2% of an antibacterial preservative and the balance of water; the component B is a water-based crosslinking agent. During usage, the component A and the component B are evenly mixed in the mass ratio being (10-20):1. The joint mixture uses water-based polymer resin as a cementing material, efflorescence is avoided, and the attractiveness of the joint mixture cannot be affected. Besides, the joint mixture is good in film water resistance, not easy to contaminate, easy to clean, and capable of being used in a humid environment for a long time and used as a crack sealer separately.

Description

technical field [0001] The invention belongs to the technical field of building chemical materials, and in particular relates to a two-component paste-like caulking agent. Background technique [0002] At present, the common ceramic tile grouting materials on the market include cement-based grouting agent and paste grouting agent. [0003] The surface of cement-based tile grout is not dense, there are many micropores, and a lot of dust and dirt will accumulate for a long time. The poor stain resistance will affect the appearance of the grout, and the grout will be damaged in a humid environment for a long time. It breeds a large number of bacteria and molds, which is harmful to the human body, and is not suitable for home decoration in places such as kitchens and bathrooms. In addition, the phenomenon of efflorescence basically exists in cement-based building materials, especially in decorative materials. The phenomenon of efflorescence will seriously affect the appearance ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B26/16C04B26/04C04B14/04C04B14/06C04B14/28C04B14/30C04B24/02C04B24/04C04B24/12C04B24/28C04B24/32C04B24/38C04B24/42C04B103/40C04B103/44C04B103/46C04B103/50C04B103/60C04B103/65C04B103/67
CPCC04B14/042C04B14/06C04B14/28C04B14/30C04B14/305C04B24/02C04B24/04C04B24/12C04B24/282C04B24/32C04B24/386C04B24/42C04B26/04C04B26/16C04B2111/00672C04B2103/601C04B2103/50C04B2103/465C04B2103/408C04B2103/44C04B2103/67C04B2103/65C04B2103/0068
Inventor 刘莹董建波
Owner 北京宝辰联合科技股份有限公司