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Environment-friendly sealant and preparation method thereof

A caulking agent, an environment-friendly technology, applied in the field of environment-friendly caulking agent and its preparation, can solve problems such as insecurity, cancer induction, structural cracking, etc., and achieve the effect of good pan-alkali resistance, environmental friendliness and excellent performance

Active Publication Date: 2020-04-24
SHANGHAI NIUYUAN IND TRADE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Pan-alkali will affect the appearance of the building and give people a feeling of insecurity; pan-alkaline will affect the quality of the painting, and it is easy to delaminate and make the decoration fail; Mildew, Mucor, Aspergillus and Penicillium, etc., can easily cause skin diseases and respiratory diseases, and may even induce cancer

Method used

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  • Environment-friendly sealant and preparation method thereof

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preparation example Construction

[0056] As a kind of preferred technical scheme of the present invention, the preparation method of described montmorillonite modified ammonium hydrogen maleate-acrylic acid copolymer at least comprises the following steps:

[0057] Dissolve ammonium hydrogen maleate and acrylic acid in deionized water, wherein the volume ratio of acrylic acid and deionized water is 1:300, stir for 15-30min, add organic montmorillonite to it, blow in nitrogen, and put in a water bath at 45°C Stir at low temperature for 30 minutes, and add crosslinking agent and initiator in turn; under nitrogen protection, seal and put it in a 45°C water bath for 3 hours, and then react in a 80°C water bath for 2 hours; take out the product and wash it with ethanol for 3 times, put it in 110 Dry in an oven at ℃ for 24 hours, pulverize, and sieve to obtain the montmorillonite-modified ammonium hydrogen maleate-acrylic acid copolymer with a mesh size of 100 to 200; wherein the mass ratio of initiator, crosslinking...

Embodiment 1

[0085] Embodiment 1 provides an environment-friendly sealant, which includes at least the following components in parts by weight: 25 parts by weight of cement; 5 parts by weight of calcite powder; 10 parts by weight of inorganic filler; 0.1 part by weight of water-retaining agent; redispersible 0.3 parts by weight of latex powder; 5 parts by weight of water glass powder; 0.5 parts by weight of curing agent; 0.1 parts by weight of defoamer; The particle size of the calcite powder is greater than 1000 mesh; the water-retaining agent is a mixture of cellulose ether and montmorillonite modified ammonium hydrogen maleate-acrylic acid copolymer, wherein the cellulose ether and montmorillonite modified cis The mass ratio of ammonium hydrogen butenediolate to acrylic acid copolymer is 3:1.

[0086] The cement is Portland cement, purchased from Zhejiang Hongtu Building Materials Co., Ltd., model P.O 42.5. The inorganic filler is washed sand, which is purchased from Lingshou County Fe...

Embodiment 2

[0095] Embodiment 2 provides an environment-friendly sealant, which at least includes the following components in parts by weight: 45 parts by weight of cement; 20 parts by weight of calcite powder; 60 parts by weight of inorganic filler; 0.5 parts by weight of water-retaining agent; redispersible 2 parts by weight of latex powder; 10 parts by weight of water glass powder; 1 part by weight of curing agent; 0.2 parts by weight of defoamer; 0.5 parts by weight of water repellent; the cement is selected from portland cement or white cement of any label; The particle size of the calcite powder is greater than 1000 mesh; the water-retaining agent is a mixture of cellulose ether and montmorillonite modified ammonium hydrogen maleate-acrylic acid copolymer, wherein the cellulose ether and montmorillonite modified cis The mass ratio of ammonium hydrogen butenediolate to acrylic acid copolymer is 3:1.

[0096]The cement is Portland cement, purchased from Zhejiang Hongtu Building Materi...

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Abstract

The invention relates to the field of building materials, in particular to an environment-friendly joint mixture and a preparing method thereof. The environment-friendly joint mixture is prepared from, by weight, at least 25-45 parts of cement, 5-20 parts of calcite powder, 10-60 parts of inorganic filler, 0.1-0.5 part of water-retaining agent, 0.3-2 parts of redispersible latex powder, 5-10 partsof water glass powder, 0.5-1 part of curing agent, 0.1-0.2 part of defoaming agent and 0.05-0.5 part of water repellent, wherein the cement is selected from Portland cement or white cement with a random label, the particle size of the calcite powder is larger than 1,000 mesh, the water-retaining agent is a mixture of cellulose ether and montmorillonoid modified ammonium hydrogen maleate-acrylic copolymer, and the mass ratio of cellulose ether to montmorillonoid modified ammonium hydrogen maleate-acrylic copolymer is (3-5):1.

Description

technical field [0001] The invention relates to the field of building materials, in particular to an environment-friendly caulking agent and a preparation method thereof. Background technique [0002] In modern buildings, ceramic tiles have become the main building materials and are widely used in the decoration of the interior and exterior walls and floors of buildings. Reserve a certain gap, which needs to be filled with a caulking agent, especially for the brick decoration system on the exterior wall of the building, the quality of the caulking agent will directly affect the decorative effect of the exterior wall. At present, quality problems such as cracking, poor bonding, efflorescence, and difficulty in cleaning often occur after use of the caulking agent on the market, among which efflorescence is the most common and difficult to solve. Pan-alkali will affect the appearance of the building and give people a feeling of insecurity; pan-alkaline will affect the quality ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/26C04B111/20
CPCC04B28/26C04B2111/00672C04B2111/2023C04B7/02C04B14/28C04B24/383C04B24/425C04B14/068C04B24/2623C04B22/126C04B24/42C04B14/06C04B24/2676C04B18/08C04B22/16C04B24/085
Inventor 王术生
Owner SHANGHAI NIUYUAN IND TRADE
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