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A kind of antifreeze waterproof coating composition and preparation method thereof

A composition and technology of bentonite are applied in the field of building materials to achieve the effects of excellent waterproof performance and reduced pollution

Active Publication Date: 2020-11-24
NINGXIA NINGDONG RUIHUA NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The sources of coal cinders in northern my country are very extensive, and the winter is very cold. The coating materials on the surface of houses and buildings need to have strong antifreeze performance and waterproof performance. However, the current research has rarely involved the use of cinders for building surface anti-corrosion properties. Freeze and waterproof spreading composition

Method used

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  • A kind of antifreeze waterproof coating composition and preparation method thereof
  • A kind of antifreeze waterproof coating composition and preparation method thereof

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preparation example Construction

[0032] In some embodiments of the present invention, the preparation method of described organobentonite comprises the steps of:

[0033] 1) Add 100 parts by weight of calcium-based bentonite and 300-500 parts by weight of water to make a pulp. The calcium-based bentonite is natural calcium-based bentonite, and then add hydrochloric acid. The amount of acid is 1.2-1.5 times the cation exchange capacity of bentonite. For more than an hour, press filter and dehydrate to obtain acid-activated bentonite;

[0034] 2) Beat the acid-activated bentonite, the concentration of the bentonite slurry in the sodiumization process is 10-15wt%, add sodium oxalate and sodium citrate, the amount is 1.2-1.5 times the cation exchange capacity of bentonite, heat and stir, and react 0.5-1.5 h, centrifuging to remove impurities to obtain a sodium bentonite suspension;

[0035] 3) Heat the sodium-based bentonite suspension to 70-80°C, add an organic modifier under stirring conditions, stir, react fo...

Embodiment 2

[0063] An antifreeze and waterproof smear composition, comprising 30 parts of cinder, 30 parts of organic bentonite obtained in Example 1, 2 parts of hydroxymethyl cellulose, and 2 parts of glycidyl ester epoxy resin.

[0064] The preparation method of above-mentioned a kind of antifreeze waterproof smear composition, comprises the steps:

[0065] S1, after mixing 30 parts of cinder, 30 parts of organic bentonite, 2 parts of hydroxymethyl cellulose and 2 parts of glycidyl ester epoxy resin, grind them, and pass through a 40-mesh sieve;

[0066] S2. Add the ground cinder, organic bentonite, hydroxymethyl cellulose and epoxy resin into the reaction tank, add 50 parts of water, heat to 50°C and stir evenly to form a slurry of antifreeze and waterproof coating composition.

[0067] After testing, the antifreeze and waterproof smear composition of this embodiment has 10 points for antifreeze performance and 10 points for waterproof performance at -20°C; 9 points for antifreeze perf...

Embodiment 3

[0069] An antifreeze and waterproof smear composition, comprising 50 parts of cinder, 50 parts of organic bentonite obtained in Example 1, 5 parts of hydroxypropyl cellulose, and 5 parts of glycidyl ester epoxy resin.

[0070] The preparation method of above-mentioned a kind of antifreeze waterproof smear composition, comprises the steps:

[0071] S1. Grinding after mixing 50 parts of cinder, 50 parts of organic bentonite, 5 parts of hydroxypropyl cellulose and 5 parts of glycidyl ester epoxy resin, passing through a 60-mesh sieve;

[0072] S2. Add the ground cinder, organic bentonite, hydroxypropyl cellulose and epoxy resin into the reaction tank, add 80 parts of water, and stir to form a uniform slurry.

[0073] After testing, the antifreeze and waterproof smear composition of this embodiment has 10 points for antifreeze performance and 10 points for waterproof performance at -20°C; 9 points for antifreeze performance and 9 points for waterproof performance at -30°C; 9 poin...

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Abstract

The invention discloses an anti-freeze waterproof coating composition which comprises 30-50 parts of coal cinder, 30-50 parts of organobentonite, 2-5 parts of cellulose gum and 2-5 parts of epoxy resin. The invention further discloses a preparation method of the anti-freeze waterproof coating composition. When applied onto the building surface, the coating composition disclosed by the invention can avoid a freezing phenomenon within 180 days at the temperature less than or equal to 20 DEG C; and moreover, the waterproof property is excellent.

Description

technical field [0001] The invention belongs to the field of building materials, and in particular relates to a frost-resistant and waterproof coating composition and a preparation method thereof. Background technique [0002] my country has long attached great importance to the comprehensive utilization of coal cinder. Coal slag is a kind of industrial solid waste, and the waste slag discharged from thermal power plants, industrial and civil boilers and other equipment is also called slag. The main components are silica, alumina, iron oxide, calcium oxide, magnesium oxide, etc. Depending on the composition, it can be used to make cement, bricks and refractory materials. Some can be used to prepare alumina or extract rare metals such as gallium and germanium. Due to the unremitting organization and promotion of our country, the comprehensive utilization technology of cinder has been continuously improved and innovated. [0003] Chinese patent CN105086179A discloses a cin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B26/28C04B20/02C04B18/06C04B111/27C04B111/34
CPCC04B18/06C04B20/023C04B26/285C04B2111/00482C04B2111/27C04B2111/343C04B14/104C04B24/281C04B22/002Y02W30/91
Inventor 鄂昱茜
Owner NINGXIA NINGDONG RUIHUA NEW MATERIAL TECH CO LTD
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