Siliceous anti-cracking compacted waterproof agent for mortar concrete and preparation method thereof

A mortar concrete and water repellent technology, which is applied in sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the problems of inconspicuous improvement in the impermeability of concrete and mortar, cracking, and difficulty in controlling the expansion and contraction of concrete, etc. Achieve the effect of enhancing self-healing ability, reducing agglomeration, increasing material density and impermeability

Inactive Publication Date: 2018-11-13
山东方舟新材料有限公司
View PDF2 Cites 10 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the expansion agent is mostly used at home and abroad to compensate the shrinkage of concrete and mortar, but the expansion and shrinkage of concrete are not easy to control, and cracking often occurs
In

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] The siliceous anti-crack compact waterproofing agent of the present embodiment comprises the following components by weight:

[0044] Micro silica fume: 11 parts,

[0045] Activated modified nano silica: 11 parts,

[0046] Superplasticizer: 0.2 parts,

[0047] Viscosity reducer: 0.2 parts,

[0048] Mineral admixture: 78 parts,

[0049] Wherein, the mineral admixture comprises the following components by weight: mineral powder: 40 parts, fly ash: 41 parts;

[0050] The activated modified nano silicon dioxide contains the following components by weight: nano silicon dioxide: 70 parts, silane coupling agent: 0.6 parts, isopropanol: 1.2 parts, caustic soda: 6 parts.

[0051] The preparation method of the siliceous anti-crack compact waterproofing agent comprises the following steps:

[0052] In the first step, put the nano-silica in ammonia water and boil for 15 minutes, and then pre-dry the boiled nano-silica for 3 hours under vacuum;

[0053] In the second step, 70-...

Embodiment 2

[0057] The siliceous anti-crack compact waterproofing agent of the present embodiment comprises the following components by weight:

[0058] Micro silica fume: 10 parts,

[0059] Activated modified nano silica: 13 parts,

[0060] Superplasticizer: 0.3 parts,

[0061] Viscosity reducer: 0.2 parts,

[0062] Mineral admixture: 75 parts,

[0063] Wherein, the mineral admixture comprises the following components by weight: mineral powder: 42 parts, fly ash: 38 parts;

[0064] The activated modified nano silicon dioxide contains the following components by weight: nano silicon dioxide: 75 parts, silane coupling agent: 0.5 parts, isopropanol: 1.4 parts, caustic soda: 8 parts.

[0065] The preparation method of the siliceous anti-crack compact waterproof agent of this embodiment is the same as that of Embodiment 1.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a siliceous anti-cracking compacted waterproof agent for mortar concrete and a preparation method thereof. The siliceous anti-cracking compacted waterproof agent is prepared from the following components in parts by weight: 10 to 15 parts of micro-silicon powder, 10 to 15 parts of activated modified nano silicon dioxide, 0.1 to 0.3 part of super-plasticizer, 0.1 to 0.3 partof viscosity reducer and 75 to 80 parts of mineral admixture; the mineral admixture is prepared from the following components in parts by weight: 36 to 42 parts of mineral powder and 38 to 45 parts of fly ash; the activated modified nano silicon dioxide is prepared from the following components in parts by weight: 70 to 75 parts of nano silicon dioxide, 0.5 to 0.7 part of silane coupling agent, 1.2 to 2 parts of isopropyl alcohol and 5 to 8 parts of caustic soda flakes. By adopting the siliceous anti-cracking compacted waterproof agent, the compactness and the permeability resistance of the concrete and a mortar material can be increased; cracks are reduced and the waterproof performance is enhanced.

Description

technical field [0001] The invention belongs to the technical field of mortar and concrete additives, in particular to a siliceous anti-cracking dense waterproofing agent for mortar concrete and a preparation method thereof. Background technique [0002] The shrinkage and cracking of cement mortar and concrete is an inherent phenomenon in the process of cement hydration and hardening. The shrinkage of cement mortar and concrete includes: subsidence shrinkage, plastic shrinkage, carbonation shrinkage, dehydration shrinkage, chemical shrinkage, etc. Subsidence shrinkage is caused by the sinking of the aggregate and the rise of excess water (bleeding). Plastic shrinkage occurs on the surface of the component, which is caused by the evaporation rate of water on the concrete surface being greater than the bleeding rate, and is related to factors such as the humidity rate of the environment, temperature, and construction. Carbonation shrinkage refers to the shrinkage of concrete ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): C04B18/14C04B20/10C04B14/06
CPCC04B20/1066C04B40/0039C04B2103/65C04B14/062C04B18/141C04B18/08C04B18/146C04B2103/32C04B2103/34C04B20/1051C04B20/1022Y02W30/91
Inventor 张付涛张进鹏刘立民曹君陟许可尹恒
Owner 山东方舟新材料有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap