Crystalline-type waterproof paint for preventing cement leakage
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A waterproof coating and crystalline technology, which is applied in the field of crystalline waterproof coatings to prevent cement leakage, and achieves the effects of low cost, simple construction process, and simple tools
Active Publication Date: 2013-04-17
CHINA SHANXI SIJIAN GRP
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Problems solved by technology
[0006] In order to solve the technical problem of prevention and control of seepage of existing concrete, the present invention provides a crystalline waterproof coating for preventing cement seepage
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Embodiment 1
[0021] Embodiment 1 A crystalline waterproof coating for preventing cement leakage, prepared from the following raw materials according to the weight ratio;
[0022] Ordinary Portland cement 52.5 55 kg
[0023] Granulated blast furnace powder 95# 20 kg
[0024] Penetrant fatty alcohol polyoxyethylene ether 1.5 kg
[0025] Expanding agent calcium hydroxide 0.5 kg
[0026] Silica fume 4 kg
[0027] Quartz sand 22 kg
[0028] Modified bentonite 3 kg
[0029] Modified sodium silicate 4 kg
[0030] Polyacrylic acid complexing agent 10 kg
[0031] Polyethylene glycol crystal precipitation agent 2 kg.
[0032] Proportioning step: 55 parts by weight of ordinary Portland cement, 20 parts by weight of granulated blast furnace powder, 1.5 parts by weight of penetrating agent, 0.5 parts by weight of expansion agent, 4 parts by weight of silica fume, 22 parts by weight of quartz sand, modified expanded 3 parts by weight of lubricant, 4 parts by weight of modified sodium silicate, 1...
Embodiment 2
[0035] Embodiment 2. A crystalline waterproof coating for preventing cement leakage, which is formulated according to the weight ratio of the following raw materials;
[0036] Ordinary Portland cement 52.5 60 kg
[0037] Granulated blast furnace powder 95# 20 kg
[0038] Penetrant fatty alcohol polyoxyethylene ether 1 kg
[0039] Expanding agent magnesium hydroxide 1 kg
[0040] Silica fume 3 kg
[0041] Quartz sand 22 kg
[0042] Modified bentonite 2 kg
[0043] Modified sodium silicate 4 kg
[0044] Complexing agent 7 kg
[0045] Crystal precipitation agent 2 kg.
[0046] Processing method is with embodiment 1
[0047] Table of physical properties of the osmotic crystalline waterproof coating described in Example 2 of the present invention
[0048]
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Abstract
The invention provides crystalline-type waterproof paint for preventing cement leakage, which belongs to the field of waterproofing work in constructional engineering, solves the technical problem of cement leakage prevention in the prior art, and is prepared from the following raw materials in weight ratio: 52.5 ordinary Portland cement, No. 95 granulated blast furnace mineral powder, penetrating agent, expanding agent, silica fume, quartz sand, modified bentonite, modified sodium silicate, complexing agent and crystallized precipitant. The cement-base waterproof paint provided by the invention enables concrete to be waterproof, is inorganic material, has the service life as long as concrete, improves concrete density to improve the concrete strength, and has the characteristics of low possibility of leakage, carbonization resistance, resistance to harmful substance permeation, simplicity in construction operation, low construction cost and the like.
Description
technical field [0001] The invention belongs to the field of waterproof engineering in construction engineering, and relates to a crystalline waterproof coating for preventing cement leakage. Background technique [0002] The buildings we see in our society generally have waterproof and anti-seepage requirements, but the ordinary concrete used in construction projects has poor waterproof performance. There are many tiny gaps in ordinary concrete that can be seen or even invisible to the naked eye. It penetrates into the building through tiny gaps, forming a concrete structure leakage phenomenon, [0003] The main principle of waterproof coating is that concrete undergoes a secondary hydration reaction under the action of active chemical substances, forming crystals that are insoluble in water and other liquids, thereby blocking the capillary pores of concrete to achieve waterproofing, and the crystals are synchronized with the life of concrete , so it can play a permanent w...
Claims
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