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A kind of cross-linkable spray quick-setting rubber asphalt waterproof coating

A technology for waterproof coatings and dispersions, applied in the field of coatings

Active Publication Date: 2020-04-24
HEBEI YUYANGZELI WATERPROOF MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The coating film strength and bonding performance of the coating in the above-mentioned patents still need to be improved

Method used

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  • A kind of cross-linkable spray quick-setting rubber asphalt waterproof coating

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] The cross-linkable spray quick-setting rubber asphalt waterproof coating is divided into ABC components, and the weight percentage of each component of A component is 50% of anionic emulsified asphalt, 30% of neoprene latex, 10% of carbon black dispersion, silica colloid Solution 6.5%, nano-zinc oxide dispersion 3%, catalyst 0.5%; B component is polyisocyanate; C component is calcium chloride with 6% mass concentration. The spray film is sprayed with a special dual-channel double-nozzle spray gun. Before construction, the AB component is stirred evenly and then sprayed with the C component through a dual-channel double-nozzle spray gun. The mass ratio of A to B is 20:1, and the volume ratio of AB (after uniform stirring) to C is 10:1.

Embodiment 2

[0055] The cross-linkable spray quick-setting rubber asphalt waterproof coating is divided into ABC components, and the weight percentage of each component of A component is 50% of anionic emulsified asphalt, 30% of neoprene latex, 10% of carbon black dispersion, silica colloid Solution 6.5%, nano-zinc oxide dispersion 3%, catalyst 0.5%; B component is polyisocyanate; C component is calcium chloride with 6% mass concentration. The spray film is sprayed with a special dual-channel double-nozzle spray gun. Before construction, the AB component is stirred evenly and then sprayed with the C component through a dual-channel double-nozzle spray gun. The mass ratio of A to B is 10:1, and the volume ratio of AB (after uniform stirring) to C is 10:1.

Embodiment 3

[0057] The cross-linkable spray quick-setting rubber asphalt waterproof coating is divided into ABC components, and the weight percentage of each component of A component is 50% of anionic emulsified asphalt, 20% of neoprene latex, 10% of styrene-butadiene latex, and 10% of carbon black dispersion %, 6.5% of silicon dioxide colloidal solution, 3% of nanometer zinc oxide dispersion liquid, and 0.5% of catalyst; B component is polyisocyanate; C component is calcium chloride with 6% mass concentration. The spray film is sprayed with a special dual-channel double-nozzle spray gun. Before construction, the AB component is stirred evenly and then sprayed with the C component through a dual-channel double-nozzle spray gun. The mass ratio of A to B is 10:1, and the volume ratio of AB (after uniform stirring) to C is 10:1.

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Abstract

The invention provides a crosslinkable spray quick-coagulating rubber asphalt waterproof coating, which is prepared from a component A, a component B and a component C, wherein the component A is prepared from the following components by mass percent: 50-80% of anionic emulsified asphalt, 10-40% of rubber latex, 2-10% of carbon black dispersion liquid, 2-10% of a silicon dioxide colloidal solution, 1-3% of nano-zinc oxide dispersion liquid and 0.1-0.5% of a catalyst; the component B is prepared from polyisocyanate; the component C is prepared from calcium chloride with a mass concentration of3-10%. The high performance spray quick-setting rubber asphalt waterproof coating is prepared by enabling nano-zinc oxide to be subjected to a crosslinking reaction with the polyisocyanate and rubber.The indexes such as heat conduction property, wear resistance, tear resistance and tensile strength of the product can be remarkably improved, and consumption of the coating is reduced by 35-50%, sothat the product cost is greatly lowered.

Description

technical field [0001] The invention belongs to the technical field of coatings, in particular to a cross-linkable spray-coating quick-setting rubber asphalt waterproof coating. Background technique [0002] The rubber asphalt waterproof coating has excellent ductility, and the elongation rate exceeds 1000%. During construction, the A / B component is sprayed and mixed through a double-nozzle spray gun, and then gels quickly to form a film. The gel time is fast, and it can be set in 3 to 5 seconds. Glue, the facade construction does not flow, and the design thickness can be reached in one spraying, and the construction efficiency is high. It is currently a better waterproof coating. Spraying quick-setting rubber asphalt waterproof coating is a water-based environmental protection coating. The material has excellent water resistance, weather resistance and excellent physical properties. It is currently used more and more in various waterproof projects. [0003] Spray quick-set...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D195/00C09D5/14C09D5/32C09D7/61
CPCC08K2003/162C08K2003/2296C08K2201/003C08K2201/011C08L2201/08C08L2205/03C08L2312/00C09D5/14C09D5/32C09D195/00C08L11/02C08K13/02C08K3/04C08K3/36C08K3/22C08K3/16C08L9/08C08L33/00
Inventor 田继斌曲学平谢彦姣武晋生彭松涛
Owner HEBEI YUYANGZELI WATERPROOF MATERIAL
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