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Antifreeze agent for mortar

A technology of antifreeze and mortar, which is applied in the field of building materials, can solve the problems that mortar is susceptible to freezing in winter, and achieve the effects of good construction, good dispersion and low cost of filler

Inactive Publication Date: 2014-10-01
北京博润佳科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to solve the problem of easy freezing in winter mortar construction, provide an antifreeze agent suitable for mortar, and ensure the engineering quality of masonry mortar and plastering mortar during winter construction

Method used

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  • Antifreeze agent for mortar

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Embodiment Construction

[0016] Products and percentages adopted in each embodiment of the present invention are shown in the following table:

[0017]

[0018] The mixing equipment of the process of the three embodiments of the present invention is a high-speed mixer. After starting up, add filler first, dry mix for 2 minutes, then add 1 / 2 dispersant, stir for 5 minutes, then add sodium sulfate, calcium formate, sodium chloride in turn, stir for 10 minutes, then slowly add organic alcohol amine dropwise within 2 minutes, Finally, add sieved 60-mesh sodium nitrite and 1 / 2 dispersant and mix for 20 minutes before discharging.

[0019] This product has been used in a mortar factory in Beijing. After trial construction, it was constructed in winter at a temperature of 0~-10°C. It has stable performance during use and has good antifreeze performance.

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Abstract

The invention relates to an antifreeze agent for mortar, and belongs to the technical field of building materials. The antifreeze agent comprises the following components in percentage by weight: 10-30% of sodium nitrite, 15-30% of sodium sulfate, 10-20% of calcium formate, 5-25% of sodium chloride and 5-15% of organic alcohol amine, 5-20% of dispersant and 10-35% of filler. The antifreeze agent for mortar has the advantages of high early strength, good anti-freezing performance and good application property, and the like, thereby being suitable for building mortar and plastering mortar in winter construction to ensure the engineering quality of building mortar and plastering mortar during winter construction.

Description

technical field [0001] The invention relates to an antifreeze agent for dry-mixed mortar, which belongs to the technical field of building materials. Background technique [0002] Due to the characteristics of large construction area and thin construction thickness of mortar in construction engineering, it is difficult to effectively protect the mortar after construction during winter construction. The mortar after construction is easy to be frozen and causes a series of problems, such as pulverization, shedding etc. [0003] Before the popularization of ready-mixed mortar, the most common practice in winter construction was to add salt when the mortar was mixed on site, but the antifreeze effect was not obvious. In order to effectively solve the freezing problem of mortar, antifreeze is introduced into the mortar, but the antifreeze is a mortar antifreeze compounded on the basis of concrete antifreeze, most of which are made for concrete and have poor adaptability to morta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/12
Inventor 许文英梁海波张艳凤吴梓红冀云鹏张喜马文凯董慧艳王小梅
Owner 北京博润佳科技有限公司
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