Modified-fiber-modified waterproof slurry and preparation method thereof

A technology of modified fiber and waterproof slurry, which is applied in the field of building waterproofing. It can solve the problems of slow increase in actual strength, cracking and dusting on the surface of mortar, and loss of waterproof effect, so as to prevent cracking, improve early strength, and dry quickly. Effect

Active Publication Date: 2018-12-18
南通科顺建筑新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the market is flooded with a large amount of rigid waterproof slurry. Due to the large amount of cement in the powder, this type of product is likely to cause cracking and powdering on the surface of the mortar when it dries and forms a film. The cracking is particularly serious, even pulverized and peeled off, and the waterproof effect is lost; and because the liquid material contains a large amount of water, the surface strength and the actual strength after drying are slowly improved, which affects the subsequent construction process and delays the construction period

Method used

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  • Modified-fiber-modified waterproof slurry and preparation method thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0043] A modified fiber-modified waterproof slurry prepared from the following components in parts by weight:

[0044] Powder: 50 parts of Portland cement, 20 parts of quartz sand, 5 parts of quartz powder, 2 parts of metakaolin, 0.1 part of dry powder water reducer, 0.1 part of dry powder defoamer, 0.01 part of cellulose ether, silicone water repellent 0.1 part, 0.3 part of zinc stearate, 0.1 part of glass fiber reinforced modified fiber;

[0045] Liquid material: 50 parts of water, 30 parts of emulsion, 0.1 part of defoamer, 0.1 part of fungicide, 0.1 part of water reducer, 0.3 part of antifreeze;

[0046] Liquid material: powder material = 1: 2.5.

[0047] Wherein, in the powder, the Portland cement is No. 42.5 Portland cement; the quartz sand is 80 mesh quartz sand; the quartz powder is 250 mesh quartz powder processed by crushing quartz stone; The silicone water-repellent agent is an organosilane water-repellent agent; the dry powder water reducer is a dry powder polyca...

Embodiment 2

[0060] A modified fiber-modified waterproof slurry prepared from the following components in parts by weight:

[0061] Powder: 70 parts of Portland cement, 35 parts of quartz sand, 13 parts of quartz powder, 3 parts of metakaolin, 0.3 parts of dry powder water reducer, 0.3 part of dry powder defoamer, 0.05 part of cellulose ether, silicone water repellent 0.3 part, 0.5 part of zinc stearate, 0.3 part of glass fiber reinforced modified fiber;

[0062] Liquid material: 70 parts of water, 50 parts of emulsion, 0.3 parts of defoamer, 0.3 parts of bactericide, 0.3 parts of water reducer, 0.5 parts of antifreeze;

[0063] Liquid material: powder material = 1:3.

[0064] Wherein, in the powder, the Portland cement is No. 52.5 Portland cement; the quartz sand is 80 mesh quartz sand; the quartz powder is 250 mesh quartz powder processed by crushing quartz stone; The organosilicon water-repellent agent is an organosilane water-repellent agent; the dry powder water reducer is a dry pow...

Embodiment 3

[0077] A modified fiber-modified waterproof slurry prepared from the following components in parts by weight:

[0078] Powder: 60 parts of Portland cement, 27 parts of quartz sand, 9 parts of quartz powder, 2.5 parts of metakaolin, 0.2 part of dry powder water reducer, 0.2 part of dry powder defoamer, 0.03 part of cellulose ether, silicone water repellent 0.2 part, 0.4 part of zinc stearate, 0.2 part of glass fiber reinforced modified fiber;

[0079] Liquid material: 60 parts of water, 40 parts of emulsion, 0.2 part of defoamer, 0.2 part of fungicide, 0.2 part of water reducer, 0.4 part of antifreeze;

[0080] Liquid material: powder material = 1: 2.65.

[0081] Wherein, in the powder, the Portland cement is No. 42.5 Portland cement and No. 52.5 Portland cement, and the mixing ratio is 1:1; the quartz sand is 80 mesh quartz sand; the quartz powder is made of 250-mesh quartz powder processed by crushing quartz stone; the organosilicon water repellent is an organosilane water ...

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Abstract

The invention relates to the field of building waterproofing, and discloses modified-fiber-modified waterproofing slurry and a preparation method thereof. The waterproofing slurry is prepared from thefollowing components by weight: a powder material comprising 50-70 parts of Portland cement, 20-35 parts of quartz sand, 5-13 parts of quartz powder, 2-3 parts of metakaolin, 0.1-0.3 part of a dry powder water reducer, 0.1 to 0.3 part of a dry powder defoamer, 0.01 to 0.05 part of cellulose ether, 0.1 to 0.3 part of an organosilicon water repellent, 0.3 to 0.5 part of zinc stearate and 0.1 to 0.3part of glass fiber reinforced modified fiber, and a liquid material comprising 50-70 parts of water, 30-50 parts of emulsion, 0.1-0.3 part of an antifoaming agent, 0.1-0.3 part of a bactericide, 0.1- 0.3 part of a water reducing agent and 0.3 - 0.5 part of an antifreeze; wherein the ratio of liquid material: powder material is 1: (2.5 - 3). The modified-fiber-modified waterproofing slurry has ultra-high flexural and compressive strength, and due to the presence of the modified fiber, powder and residue falling and water-repellent layer peeling off caused by an external force can be effectively prevented.

Description

technical field [0001] The invention relates to the field of building waterproofing, in particular to a waterproof slurry modified by polymerized modified fibers and a preparation method thereof. Background technique [0002] Waterproof slurry is a two-component waterproof material specially used for building waterproofing. It is composed of a powder part and a liquid part in a certain proportion. Among them, the powder is composed of cement fine sand and unique active substances, while the liquid It is usually made of a fusion of polymers and additives. After the two groups of materials are mixed, they are painted on the cement base surface to achieve waterproof effect. [0003] At present, the market is flooded with a large amount of rigid waterproof slurry. Due to the large amount of cement in the powder, this type of product is likely to cause cracking and powdering on the surface of the mortar when it dries and forms a film. Cracking is particularly serious, even pulve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B111/27
CPCC04B28/04C04B2111/27C04B14/06C04B14/106C04B24/383C04B24/42C04B24/085C04B14/42C04B16/0633C04B2103/302C04B24/2676C04B24/36C04B24/02C04B24/18C04B24/16C04B24/226
Inventor 顾家豪龚兴宇黄莉恒李雪梅黄思墨
Owner 南通科顺建筑新材料有限公司
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