Preparation method of concrete interface agent

A technology of interface agent and concrete, applied in the direction of wax coating, coating, etc., can solve the problems of poor water resistance and durability, poor bonding performance of thermal insulation materials, poor freeze-thaw resistance, etc., to reduce the endurance strength and improve Combining potency, effect of improving water resistance and durability

Inactive Publication Date: 2017-07-28
张芸
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a concrete interface agent for the defects of poor freeze-thaw resistance, easy to cause dem...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0017] Take fresh peach gum, rinse it with clean water for 3 times, put the rinsed peach gum in deionized water at 45°C according to the mass ratio of 1:10, keep it warm and swell for 6 hours to obtain a mixed solution, and then place the mixed solution in a homogeneous In the machine, after homogeneous treatment at room temperature for 10 minutes, then rotary evaporated at 65°C to 1 / 5 of the original volume to prepare peach gum concentrate; according to the mass ratio of 1:3, the aluminum oxide and the peach gum concentrate were stirred Mix and ball mill at room temperature for 3 hours at 350r / min to obtain ball-milled slurry and pour it into a mold, vacuum freeze-dry and demould to obtain a dry billet; place the dry billet in a tunnel kiln and preheat it at 150°C for 15 minutes , and then heated up to 1300°C at 10°C / min, followed by heat preservation and sintering for 2h, and after standing to cool to room temperature, the base material was prepared; in parts by weight, 45 pa...

example 2

[0020] Take fresh peach gum, rinse it with water for 5 times, put the rinsed peach gum in deionized water at 50°C according to the mass ratio of 1:10, keep it warm and swell for 8 hours to obtain a mixed solution, and then place the mixed solution in a homogeneous In the machine, after homogeneous treatment at room temperature for 15 minutes, then rotary evaporated at 70°C to 1 / 5 of the original volume to prepare peach gum concentrate; according to the mass ratio of 1:3, the aluminum oxide and peach gum concentrate were stirred Mix and ball mill at room temperature at 400r / min for 5 hours to obtain ball milled slurry and pour it into a mold, vacuum freeze-dry and demould to obtain a dry billet; place the dry billet in a tunnel kiln and preheat it at 200°C for 20 minutes , and then heated up to 1500°C at 10°C / min, followed by heat preservation and sintering for 3h, and after standing to cool to room temperature, the base material was prepared; in parts by weight, 50 parts of par...

example 3

[0023]Take fresh peach gum, rinse it with water for 4 times, put the rinsed peach gum in deionized water at 48°C according to the mass ratio of 1:10, and keep it warm for 7 hours to obtain a mixed solution, and then place the mixed solution in a homogeneous In the machine, after homogeneous treatment at room temperature for 13 minutes, then rotary evaporated at 68°C to 1 / 5 of the original volume to prepare peach gum concentrate; according to the mass ratio of 1:3, aluminum oxide and peach gum concentrate were stirred Mix and ball mill at room temperature for 4 hours at 375r / min to obtain a ball-milled slurry and pour it into a mold, vacuum freeze-dry and demould to obtain a dry billet; place the dry billet in a tunnel kiln and preheat it at 175°C for 18 minutes , and then heated up to 1400°C at 10°C / min, followed by heat preservation and sintering for 2.5h, and after standing to cool to room temperature, the base material was prepared; in parts by weight, 48 parts of paraffin, ...

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Abstract

The invention belongs to the technical field of coatings, and in particular relates to a preparation method of a concrete interface agent. In the present invention, the rinsed peach gum is first heat-swelled and homogeneously treated, and after rotary evaporation, it is mixed with alumina and ball-milled to dry, and then heat-preserved and calcined to obtain a matrix material, and then paraffin wax, deionized water, etc. are mixed and heated, and then persulfuric acid is added Ammonium, methyl methacrylate, etc., heated in a water bath, filtered and dried to obtain a temperature-adjusting material, mixed with the base material and ball-milled to obtain a mixed modified powder, and finally mixed with silica fume, fly ash, mixed modified powder, etc. to obtain a concrete interface The concrete interface agent prepared by the invention has good freeze-thaw resistance, improves the waterproof performance of the concrete base, and has good durability.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a preparation method of a concrete interface agent. Background technique [0002] In recent years, as people pay more and more attention to the field of building energy conservation, related technologies in the field of building energy conservation have developed rapidly. At present, buildings usually adopt frame structure and frame-shear wall structure, and cast-in-place concrete occupies a large proportion in building construction, and the support formwork of cast-in-place concrete technology usually adopts steel formwork, wood formwork or bamboo glue board, etc. The construction process In addition to the complex process of formwork support and formwork removal, there are also problems such as easy deformation of pouring, large amount of formwork, and high engineering cost. At the same time, according to the relevant regulations on building energy conservation, t...

Claims

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Application Information

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IPC IPC(8): C09D191/06C09D105/00C09D7/12
CPCC09D191/06C08K2201/014C08L2205/03C09D7/61
Inventor 张芸王艳芹李雪晴
Owner 张芸
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