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Mildew-proof formaldehyde-removing caulking agent and preparation method and application method thereof

A technology of caulking and formaldehyde, applied in the field of caulking for construction, can solve the problems of safety, long life and large limitations, and achieve the effect of promoting anti-aging performance, enhancing hydrophobicity and improving stability

Inactive Publication Date: 2016-01-27
孙军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the existing joint fillers are made of cement, together with the additives commonly used in cement, which have defects in environmental resistance and environmental protection, and have great limitations in application occasions, safe use, and long life.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] An anti-mildew and formaldehyde-removing caulking agent, comprising 40 parts of white Portland cement, 10 parts of limestone, 2 parts of ethylene-vinyl acetate copolymer, 8 parts of vitrified microbeads, and polydimethylsiloxane in parts by mass 2 parts of silicon, 1 part of acrylic resin, 3 parts of hydroxypropyl methylcellulose, 1 part of inorganic aluminum salt water repellent, 3 parts of modified nano-titanium dioxide, 3 parts of nano-zinc oxide, 0.5 parts of magnesium aluminum silicate, RTV silicone 1.5 parts, 0.4 parts of brightener and 1.8 parts of iron oxide pigment.

[0011] The preparation method is as follows: firstly weigh the following raw materials: 40 parts by mass of white Portland cement, 10 parts of limestone, 2 parts of ethylene-vinyl acetate copolymer, 8 parts of vitrified microbeads, polydimethylsiloxane 2 parts of alkane silicon, 1 part of acrylic resin, 3 parts of hydroxypropyl methylcellulose, 1 part of inorganic aluminum salt water repellent, 3 ...

Embodiment 2

[0017] An anti-mold and formaldehyde-removing caulking agent, comprising 50 parts of white Portland cement, 15 parts of limestone, 3 parts of ethylene-vinyl acetate copolymer, 12 parts of vitrified microbeads, and polydimethylsiloxane in parts by mass 2.4 parts of silicon, 1.5 parts of acrylic resin, 6 parts of hydroxypropyl methylcellulose, 1.3 parts of inorganic aluminum salt water repellent, 5 parts of modified nano-titanium dioxide, 5 parts of nano-zinc oxide, 1.5 parts of magnesium aluminum silicate, RTV silicone 1.9 parts, 0.6 parts of brightener and 2.2 parts of iron oxide pigment.

[0018] The preparation method is as follows: firstly weigh the following raw materials: 50 parts by mass of Portland cement, 15 parts of limestone, 3 parts of ethylene-vinyl acetate copolymer, 12 parts of vitrified microbeads, polydimethylsiloxane 2.4 parts of alkane silicon, 1.5 parts of acrylic resin, 6 parts of hydroxypropyl methylcellulose, 1.3 parts of inorganic aluminum salt water rep...

Embodiment 3

[0024] An anti-mildew and formaldehyde-removing caulking agent, comprising 45 parts of white Portland cement, 12 parts of limestone, 2.5 parts of ethylene-vinyl acetate copolymer, 11 parts of vitrified microbeads, and polydimethylsiloxane in parts by mass 2.3 parts of silicon, 1.35 parts of acrylic resin, 5 parts of hydroxypropyl methylcellulose, 1.2 parts of inorganic aluminum salt water repellent, 4 parts of modified nano-titanium dioxide, 4 parts of nano-zinc oxide, 1.2 parts of magnesium aluminum silicate, RTV silicone 1.8 parts, 0.5 parts of brightener and 2 parts of iron oxide pigment.

[0025] The preparation method is as follows: firstly weigh the following raw materials: 45 parts by mass of white Portland cement, 12 parts of limestone, 2.5 parts of ethylene-vinyl acetate copolymer, 11 parts of vitrified microbeads, polydimethylsiloxane 2.3 parts of alkane silicon, 1.35 parts of acrylic resin, 5 parts of hydroxypropyl methylcellulose, 1.2 parts of inorganic aluminum sa...

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PUM

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Abstract

The present invention discloses a mildew-proof formaldehyde-removing caulking agent, a base material is prepared as follows: first, white Portland cement is crushed to 300-500 mesh, the white Portland cement is added with glass beads, hydroxypropyl methyl cellulose, inorganic aluminum salt waterproofing agent, modified nano titanium dioxide, nano-zinc oxide and magnesium aluminum silicate for even stirring; an assistant material is prepared as follows: ethylene-vinyl acetate copolymer, acrylic resin, polydimethylsiloxane silicon, RTV organic silicone and a brightener are mixed and stirred evenly; an iron oxide pigment is chosen according to the caulking agent color classification, the base material is added into a high speed shear mixer, at a shear stirring state, the assistant material and the iron oxide pigment are successively added, the shear rate is 6000-8000RPM, time is 45min-90min, and the mildew-proof formaldehyde-removing caulking agent is obtained by discharging while stirring. A caulking space is cleaned up, caulking seams are sprayed with primary water for wetting, then the caulking agent and water are mixed in the mass ratio of 1: (0.4-0.6) to prepare a viscous and dense material, the viscous and dense material is filled between ceramic tiles, after the viscous and dense material is dried, the primary water is sprayed again, and the water is natural dried.

Description

technical field [0001] The invention relates to a construction joint filler, in particular to an anti-mildew and formaldehyde-removing joint sealant, a preparation method and a use method. Background technique [0002] Because the caulking agent can perfectly repair the cracks or damages on the ground surface, and it can also be prepared in rich colors, it is more and more popular among customers. However, most of the existing joint fillers are made of cement, together with additives commonly used in cement, which have the disadvantages of environmental resistance and environmental protection, and have great limitations in application occasions, safe use, and long life. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the invention provides a caulking agent, a preparation method and a use method which can effectively prevent bacterial pollution and mildew, and can effectively remove formaldehyde in the low-altitude range on the ground. [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B24/28C04B24/26C04B14/28C04B14/22C04B22/08C04B24/38C04B24/42
Inventor 孙军张斌季鹏龙桂贵李燕
Owner 孙军
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