Nano inorganic enhancer

A nano-inorganic and reinforcing agent technology, which is applied in the field of concrete additives and nano-inorganic reinforcing agents, can solve the problem of single effect and achieve the effects of enhancing fluidity, improving concrete strength, and preventing cracking and deformation

Inactive Publication Date: 2017-06-30
上海每天生态科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above technologies all add nano-materials to improve the strength of concrete, but the effect is relatively single

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] This embodiment provides a nano-inorganic reinforcing agent, which is composed of the following components in mass ratio: 5% polycarboxylate water reducer, 70% silicon micropowder, 10% nano-activated alumina, and 15% rare earth chloride.

[0023] The performance indicators of the 42.5-grade cement mortar test block with the nano-inorganic additives prepared in the above proportions are shown in the table below:

[0024] Test block grouping 3d anti-stress 3d anti-bending 28d anti-stress 28d bending resistance blank group 18.5 4.0 45.2 7.2 test group 25.0 6.5 57.5 9.7

Embodiment 2

[0026] This embodiment provides a nano-inorganic reinforcing agent, which is composed of the following components in mass ratio: 15% polycarboxylate water reducer, 65% silica sol, 15% nano-activated alumina, and 5% rare earth chloride.

[0027] The performance indicators of the 42.5-grade cement mortar test block with the nano-inorganic additives prepared in the above proportions are shown in the table below:

[0028] Test block grouping 3d anti-stress 3d anti-bending 28d anti-stress 28d bending resistance blank group 18.5 4.0 45.2 7.2 test group 27.8 6.6 63.2 10.2

Embodiment 3

[0030] The invention provides a nano inorganic reinforcing agent, which is composed of the following components in mass ratio: 20% of polycarboxylate water reducer, 55% of nano silicon dioxide, and 25% of nano activated alumina.

[0031] The performance indicators of the 42.5-grade cement mortar test block with the nano-inorganic additives prepared in the above proportions are shown in the table below:

[0032] Test block grouping 3d anti-stress 3d anti-bending 28d anti-stress 28d bending resistance blank group 18.5 4.0 45.2 7.2 test group 30.1 7.4 75.3 >11.7

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Abstract

The invention discloses a nano inorganic enhancer which consists of the following raw materials in percentage by weight: 5-20 percent of water-reducing agent, 30-70 percent of silicon dioxide derivative, 5-25 percent of nano-activated alumina and 0-20 percent of rare earth chloride. The nano inorganic enhancer disclosed by the invention is suitable for the preparation of inorganic building materials such as mortar, concrete, permeable bricks and permeable concrete floors. The nano inorganic enhancer disclosed by the invention has the benefits that the consumption of cement is reduced, the concrete flowability is enhanced, the concrete strength is improved, cracking and deformation are prevented, and the durability of the concrete is improved.

Description

technical field [0001] The invention relates to a concrete additive, in particular to a nanometer inorganic reinforcing agent, which belongs to the technical field of concrete admixtures. Background technique [0002] Concrete is one of the most widely used building materials. With the continuous development of construction projects, the application fields of concrete continue to expand, and the requirements of various projects for the performance of concrete are also increasing. In order to meet the growing application requirements, improve concrete Performance is imperative. Adding reinforcing agent is the main technical means to improve the performance of concrete, and nano-inorganic reinforcing agent is one of many categories of concrete additives. Nanomaterials refer to particles with a particle size between 1nm and 100nm. With the ultrafineization of substances, the surface electronic structure and crystal structure change, resulting in small size effects, surface eff...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/24
CPCC04B40/0042C04B2103/302C04B18/146C04B22/06C04B22/12C04B14/062
Inventor 李涛方爱华程雲周琳
Owner 上海每天生态科技发展有限公司
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