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A kind of fast-drying fast-hardening polymer cement waterproof slurry and preparation method thereof

A waterproof slurry and fast-hardening technology, which is applied in the field of waterproof materials for construction, can solve the problems of long construction period, low early strength, shortening, etc., and achieve the effect of shortening construction period, high early strength and fast hardening speed

Active Publication Date: 2016-12-07
JINAN WEIGAO BUILDING MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to make up for the deficiencies in the prior art, the present invention provides a quick-drying and fast-hardening polymer cement waterproof slurry and a preparation method thereof. The polymer cement waterproof slurry currently used has problems such as low early strength and long construction period, which balances the construction time of the material and the performance of rapid setting and hardening, greatly shortens the construction period and saves labor costs.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The weight ratio of the liquid material to the powder material in this embodiment is 1:3.3, and the percentage of each substance of the liquid material component is

[0031] Polyacrylate emulsion 35%

[0032] Defoamer Foamaster A10 0.2%

[0033] Preservative MV 0.02%

[0034] Water 64.78%

[0035] The percentage of each substance in the powder component is

[0036] 42.5 grade sulphoaluminate cement 49.65%

[0037] 70-200 mesh quartz sand 44%

[0038] 320 mesh heavy calcium carbonate 5%

[0039] Lithium carbonate 0.25%

[0040] Calcium oxide 0.5%

[0041] Citric acid 0.2%

[0042] Hydroxyethyl cellulose ether 0.1%

[0043] Sulfonated melamine superplasticizer 0.3%.

[0044] The polyacrylate emulsion has a glass transition temperature of 10°C and an average particle size of 180nm; the sulfoaluminate cement is a 42.5-level fast hardening sulfoaluminate cement produced by Shijiazhuang Xunta Special Cement Co., Ltd.; cellulose ether is Bayer's Walocel MKX 10000; the powdered water reducing ag...

Embodiment 2

[0047] The weight ratio of the liquid material to the powder material in this embodiment is 1:4, and the percentage of each substance of the liquid material component is

[0048] Butadiene-styrene copolymer emulsion 40%

[0049] Antifoaming agent Foamaster A10 0.1%

[0050] Preservative MV 0.01%

[0051] Water 59.89%

[0052] The percentage of each substance in the powder component is

[0053] Grade 42.5 sulphoaluminate cement 34.9%

[0054] 70-200 mesh quartz sand 54%

[0055] 320 mesh heavy calcium carbonate 10%

[0056] Lithium chloride 0.1%

[0057] Calcium oxide 0.5%

[0058] Tartaric acid 0.2%

[0059] Methyl cellulose ether 0.1%

[0060] Polycarboxylic acid water reducing agent 0.2%.

[0061] The butadiene-styrene copolymer emulsion has a glass transition temperature of 15°C and an average particle size of 180 nm; the sulphoaluminate cement is a 42.5 grade fast hardening sulphoaluminate cement produced by Shijiazhuang Xunta Special Cement Co., Ltd.; The cellulose ether is Walocel MKX 250...

Embodiment 3

[0064] The weight ratio of the liquid material to the powder material in this embodiment is 1:3, and the percentage of each substance of the liquid material component is

[0065] Butadiene-styrene copolymer emulsion 50%

[0066] Antifoaming agent Foamaster A10 0.05%

[0067] Preservative MV 0.05%

[0068] Water 49.9%

[0069] The percentage of each substance in the powder component is

[0070] Grade 42.5 sulphoaluminate cement 60%

[0071] 70-200 mesh quartz sand 35%

[0072] 320 mesh heavy calcium carbonate 2.35%

[0073] Lithium chloride 0.05%

[0074] Calcium oxide 2%

[0075] Sodium citrate 0.05%

[0076] Methyl cellulose ether 0.05%

[0077] Naphthalene sulfonate water reducing agent 0.5%.

[0078] The test performance of this embodiment is: the construction time is 60 minutes; the 5-hour flexural strength is 4.5Mpa, the compressive strength is 14.9Mpa; the water storage test is carried out after 5 hours, and there is no leakage after 24 hours; other properties meet the standard JC / T 2090...

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Abstract

The invention belongs to the technical field of building-use waterproof materials and particularly relates to a quick-drying and quick-hardening polymer cement waterproof slurry material and a preparation method thereof. The quick-drying and quick-hardening polymer cement waterproof slurry material includes a liquid material and a powdery material according to a weight ratio of 1:3-4. The liquid material is prepared from following raw materials, by weight: 35-50 parts of a polymer emulsion and 0.05-0.2 parts of a defoaming agent. The powdery material is prepared from following raw materials, by weight: 30-60 parts of sulphate aluminium cement in 42.5 grades, 35-60 parts of quartz sand in 70-200 meshes and 0-10 parts of heavy calcium carbonate in 320 meshes. The slurry material is quick in hardening, is strong in early strength, is good in early water resistant performance, allows an impoundment test to be performed in advance for reducing construction period, is high in adhesive strength with a base material, is green and environmental-protective, and can be used for waterproofing and leakage resistance on various base materials and wall bodies.

Description

(1) Technical field [0001] The technical field of waterproof materials for construction of the present invention specifically relates to a quick-drying and quick-hardening polymer cement waterproof slurry and a preparation method thereof. (2) Background technology [0002] Polymer cement waterproof slurry has good fluidity, strong cohesive force with the base layer, high resistance to osmotic pressure, and good durability. It is a water-based environmentally friendly material and is usually used in building waterproof and moisture-proof projects. However, the traditional polymer-modified cement-based waterproof slurry cannot meet the requirements of rapid construction. After finishing the construction, it is necessary to wait until the cement is cured for 3 days before the water storage test can be performed. After the acceptance is qualified, the next process can be carried out. With sulphoaluminate cement as the main inorganic cementing material, the cement early strength agent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/06
Inventor 范宝映蔡勇
Owner JINAN WEIGAO BUILDING MATERIAL TECH CO LTD
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