Mould-proof sealant and preparation method thereof

Abstract

The invention discloses mould-proof sealant and a preparation method thereof. The mould-proof sealant is prepared from the following raw materials in parts by weight: 100 parts of a silane modified polyether mixture, 100-150 parts of filler, 0.5-1.5 parts of vinyl trimethoxy silane, 5-10 parts of a rheological agent, 5-10 parts of titanium dioxide, 0.5-1.5 parts of a stabilizer and 5-10 parts of acaking accelerator. The mould-proof sealant prepared from the silane modified polyether mixture, the filler, the vinyl trimethoxy silane, the rheological agent, light titanium dioxide, the stabilizerand the caking accelerator has high storage stability and can overcome the defect of the traditional mould-proof silicone sealant that mould-proof effect is poor; after being cured, the product has brightness like ceramic glaze, mould-proof, antipollution and anti-yellowing properties are greatly improved, and the mould-proof sealant is applicable to pointing of ground and wall surface, edge closing of an internal corner and edge closing beautifying of a closestool, a kitchen top, a shower room partition wall, a balcony and a windowsill of top-grade home space, public houses and business places, so that home space sanitation dead angles are thoroughly cleaned.

Description

technical field [0001] The invention relates to the field of sealants, in particular to a mold-proof sealant and a preparation method thereof. Background technique [0002] With the development of social economy, people's quality of life is constantly improving, and the requirements for house decoration details are becoming more and more stringent. As a new type of sealing material, anti-mildew sealant plays an irreplaceable role in house decoration. However, the traditional anti-mildew sealant on the market has the following disadvantages: the anti-mildew time limit is short, generally within a few months to a year Gradually lose the anti-mildew function. For example, the sealant is applied to the interface between the kitchen faucet sink and the countertop, the bathroom sink and the wall interface, the waterproof seal between the bathtub and the wall, the interface area between the toilet and the ground, the interface area between the living room floor and the wall, etc. ...

AI Technical Summary

Problems solved by technology

As a new type of sealing material, anti-mildew sealant plays an irreplaceable role in house decoration. However, the traditional anti-mildew sealant on the market has the following disadvantages: the anti-mildew time limit is short, generally within a few months to a year Gradually loses anti-mildew function

For example, the sealant is applied to the interface between the kitchen faucet sink and the countertop, the bathroom sink and the wall interface, the waterproof seal between the bathtub and the wall, the interface area between the toilet and the ground, the interface area between the living room floor and the wall, etc. In a dark or humid environment, mold is prone to occur after a short period of time, causing the surface of the colloid to turn black, yellow, green or other colors inconsistent with the colloid, which affects the appearance

In addition, the current anti-mildew sealant also has the disadvantage of poor storage stability and low shelf life, which affects the use of the product

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