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A polymer cement waterproof coating that can be used in low temperature environment

A low-temperature environment, waterproof coating technology, applied in the field of waterproof coatings, can solve problems such as inability to meet construction requirements, and achieve the effect of promoting volatilization

Active Publication Date: 2018-05-29
KUNMING FENGXING WATERPROOF MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it cannot meet the requirements of construction below 0°C

Method used

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  • A polymer cement waterproof coating that can be used in low temperature environment
  • A polymer cement waterproof coating that can be used in low temperature environment
  • A polymer cement waterproof coating that can be used in low temperature environment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Mix 20 parts by weight of polymer emulsion, 0.5 parts by weight of defoamer, 0.6 parts by weight of dispersant, 8 parts by weight of propylene glycol, 0.8 parts by weight of potassium nitrate, and 16.2 parts by weight of water to obtain the A component product; Parts of rapid hardening cement, 0.8 parts by weight of lithium chloride, 0.5 parts by weight of calcium chloride, 0.6 parts by weight of polyvinyl alcohol, and 20 parts by weight of quartz sand are mixed evenly to obtain the product of component B; 1:2 ratio is applied at -0.5°C.

Embodiment 2

[0029] Example 2:

[0030] Mix 18 parts by weight of polymer emulsion, 1 part by weight of defoamer, 1 part by weight of dispersant, 12 parts by weight of propylene glycol, 0.6 parts by weight of potassium nitrate, and 9.4 parts by weight of water to obtain the A component product; Parts of rapid hardening cement, 1 part by weight of lithium chloride, 1.5 parts by weight of calcium chloride, 0.5 parts by weight of polyvinyl alcohol, and 18 parts by weight of quartz sand are mixed evenly to obtain the product of component B; 1:2.5 ratio is applied at -3°C.

Embodiment 3

[0032] Mix 25 parts by weight of polymer emulsion, 0.8 parts by weight of defoamer, 0.6 parts by weight of dispersant, 10 parts by weight of propylene glycol, 1 part by weight of potassium nitrate, and 10 parts by weight of water to obtain the A component product; Parts of rapid hardening cement, 0.4 parts by weight of lithium chloride, 0.8 parts by weight of calcium chloride, 0.6 parts by weight of polyvinyl alcohol, and 20 parts by weight of quartz sand are mixed evenly to obtain the B component product; A component and B component according to The ratio of 1:1.8 is applied at -3.5°C.

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Abstract

The invention relates to a polymer cement waterproof coating which can be used in a low-temperature environment, and belongs to the technical field of waterproof coatings. Composed of component A and component B, component A: 15-25 parts of polymer emulsion, 0.5-1.5 parts of dispersant, 0.5-1 part of defoamer, 8-12 parts of propylene glycol, 0.5-1 part of potassium nitrate, 9-15 parts of water; Component B: 35-45 parts of rapid hardening cement, 15-25 parts of 200-mesh quartz sand, 0.4-1.2 parts of lithium chloride, 0.5-1 part of calcium chloride, 0.1-0.8 parts of polyvinyl alcohol . The polymer cement coating that can be used in the low temperature environment of the present invention fully meets the performance requirements of relevant product standards. After the present invention, the minimum elongation at break of the colored polymer cement waterproof coating can reach 50%, and the minimum tensile strength can reach 1.8MPa; free formaldehyde , Ammonia, benzene / toluene / xylene / ethylbenzene detection rate is zero, and the content of volatile organic compounds is less than 10g / L.

Description

technical field [0001] The invention relates to a polymer cement waterproof coating, in particular to a polymer cement waterproof coating that can be used in a low-temperature environment, and belongs to the technical field of waterproof coatings. Background technique [0002] Polymer cement waterproof coating is an organic liquid material composed of polyacrylate emulsion, ethylene-vinyl acetate copolymer emulsion and other polymer emulsions and various additives, and inorganic fillers such as cement, quartz sand, light and heavy calcium carbonate and various It is a two-component, water-based architectural coating made of inorganic powder composed of various additives through reasonable proportioning and compounding. However, polymer cement coatings have the disadvantages that water-based materials cannot be constructed below 5 degrees, and cannot be stored below zero. For example, the existing JS waterproof coating GB / T23445-2009 waterproof coating is a commonly used wat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/02C04B24/26C04B14/06
Inventor 张东岳沈恒刘金景
Owner KUNMING FENGXING WATERPROOF MATERIAL