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Flexible waterproof slurry

A kind of waterproof slurry, flexible technology, applied in the field of construction slurry, can solve the problems of not optimal value of water-cement ratio, not optimal value of sand content ratio, low flexibility strength, etc., to improve bonding strength and Anti-osmotic pressure, safe and stable active ingredients, and improved toughness

Inactive Publication Date: 2019-12-20
NINGBO PASCO UNITED IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. The anti-seepage effect is poor, the main reason is that the quality of cement is poor, and the content ratio of sand is not the best value;
[0005] 2. The elongation at break is low, the main reason is that the performance of the emulsion is poor, and the water-cement ratio is not the best value;
[0006] 3. The bonding strength is poor, the main reason is that the sand specifications are not suitable and the cement quality is poor, and the water-cement ratio is not the best value
In this patent, water must be added after component A and component B are mixed, which is an extra step, which affects the time and efficiency of construction site operations; and the powder-to-liquid ratio is 1:0.48, and the low emulsion content will lead to low flexibility and strength and easy cracking. Decrease in impermeability strength

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A kind of flexible waterproof slurry, including powder and liquid, wherein the powder contains the following components in mass percentage: 200 mesh Shuangfei powder 20%; 70-140 mesh black sand 19%; Conch 525 gray cement 60%; Maidi -100 water reducer 1%;

[0030] Liquid formulation comprises the component that following mass percent is arranged: preservative (selecting the model provided by Huanqi Chemical Co., Ltd. is Troy K9N bactericide, certainly also can select other bactericidal preservatives) 0.15%; Defoamer (selects Shenzhen Haichuan new material NXZ mineral oil defoamer produced by Technology Co., Ltd., of course, other defoamers can also be used) 0.4%; water 14.45%; BASF S400 emulsion 80%; BASF 1108s emulsion 5%.

[0031] When in use, mix and stir the components of the powder formulation, mix and stir the components of the liquid formulation, and then mix the powder formulation and the liquid formulation uniformly at a mass ratio of 1:0.68 to obtain a waterpro...

Embodiment 2

[0039] A flexible waterproof slurry, including powder and liquid, wherein the powder includes the following components in mass percentage: 200 mesh Shuangfei powder 15%; 70-140 mesh black sand 20%; Conch 525 gray cement 50%; Maidi -100 water reducing agent 15%;

[0040] Liquid formulation comprises the component that following mass percent is arranged: preservative (selecting the model provided by Huanqi Chemical Co., Ltd. is Troy K9N fungicide) 0.2%; foam agent) 0.5%; water 10%; BASF S400 emulsion 89.3%.

[0041] When in use, mix and stir the components of the powder formulation, mix and stir the components of the liquid formulation, and then mix the powder formulation and the liquid formulation uniformly at a mass ratio of 1:0.6 to obtain a waterproof slurry.

[0042] The product prepared in this embodiment is tested and found to have high elasticity, waterproof and impermeability, acid and alkali resistance, aging resistance, not easy to crack, and stability greater than 1...

Embodiment 3

[0044] A flexible waterproof slurry, including powder and liquid, wherein the powder includes the following components in mass percentage: 200 mesh Shuangfei powder 30%; 70-140 mesh black sand 20%; Conch 525 gray cement 40%; Maidi -100 water reducing agent 10%;

[0045] The liquid preparation includes the following components in mass percentage: 20% of water; 70% of BASF S400 emulsion; 10% of BASF 1108s emulsion.

[0046] When in use, mix and stir the components of the powder formulation, mix and stir the components of the liquid formulation, and then mix the powder formulation and the liquid formulation uniformly at a mass ratio of 1:0.68 to obtain a waterproof slurry.

[0047] The product prepared in this embodiment is tested and found to have high elasticity, waterproof and impermeability, acid and alkali resistance, aging resistance, not easy to crack, and stability greater than 12 months.

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Abstract

The invention discloses a flexible waterproof slurry. The flexible waterproof slurry comprises a powder and a liquid, and is characterized in that the powder comprises the following components in percentage by mass: 10-30% of heavy calcium carbonate powder; 10%-20% of black sand; 40%-60% of cement; and 0-15% of a water reducing agent; and the liquid comprises the following components in percentageby mass: 0-0.2% of a preservative; 0-0.5% of a defoaming agent; 10%-20% of water; 70%-90% of BASF S400 emulsion; and 0 to 10 percent of BASF 1108s emulsion; the powder and the liquid are mixed according to the mass ratio of 1: 0.6-0.68. The flexible waterproof slurry disclosed by the invention is high in bonding strength, high in impermeable pressure and good in flexibility.

Description

technical field [0001] The invention belongs to the technical field of building slurry, and in particular relates to a flexible waterproof slurry. Background technique [0002] The waterproof grout used in construction mostly includes multifunctional rigid grout and flexible waterproof grout, among which the multifunctional rigid grout is used for waterproofing the three-dimensional surface of the interior wall, and its waterproof requirements are relatively low, and there are fewer problems; Flexible waterproof slurry is used for corners and the connection between the ground and the wall. Compared with rigid slurry, the waterproof requirements are much higher, otherwise it is easy to crack after coating, and the bonding strength is low, and the impermeability is poor. , which in turn leads to poor waterproof effect, which will affect the firmness of the building, and indoor water leakage may occur at the same time. [0003] The deficiencies and reasons of the currently com...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B111/27C04B111/34
CPCC04B28/00C04B2111/00293C04B2111/27C04B2111/343C04B14/28C04B14/26C04B14/06C04B2103/302C04B2103/61C04B2103/50C04B22/002C04B24/2641
Inventor 钱小华
Owner NINGBO PASCO UNITED IND
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