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Preparation method of high-viscosity durable plastering mortar

A high-viscosity technology for plastering mortar, which is applied in the field of building material preparation, can solve problems such as poor durability, cracking, and poor moisture-proof performance of plastering mortar, and achieve the effects of enhanced mechanical strength and thermal stability, improved durability, and enhanced moisture-proof performance

Inactive Publication Date: 2020-04-24
慈溪市果雨电子商务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The technical problem to be solved by the present invention is to provide a high-viscosity and durable plastering mortar in view of the poor viscosity and poor durability of the current plastering mortar that cause cracking and cracking on the wall surface after curing, and at the same time aiming at the defects of poor moisture-proof performance of the plastering mortar preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Preparation of oxidation reaction solution:

[0034] Put bagasse and castor into an oven at a mass ratio of 5:1, dry for 100 minutes at a temperature of 70°C, and put them into a planetary ball mill after drying at a ball-to-material ratio of 10:1 and a rotational speed of 100r / min. Grind down for 30min to prepare the grinding mixture, and the grinding mixture and the mass fraction of 10% sodium hydroxide solution are thrown into the reactor in a mass ratio of 1:10;

[0035] Fill the reactor with ammonia until the pressure in the reactor rises to 0.8MPa, raise the temperature in the reactor to 150°C, react at constant temperature and pressure for 60 minutes, filter the filter residue after the reaction, wash the filter residue 3 times with distilled water, and put Put the filter residue and distilled water into a beaker at a mass ratio of 1:10, place the beaker in a resistance heating jacket, raise the temperature inside the heating jacket to 110°C, and heat at a consta...

Embodiment 2

[0043] Preparation of oxidation reaction solution:

[0044] Put bagasse and castor into an oven at a mass ratio of 5:1, dry for 110 minutes at a temperature of 75°C, and put them into a planetary ball mill after drying at a ball-to-material ratio of 10:1 and a speed of 110r / min. Grind down for 35min to prepare the grinding mixture, and the grinding mixture and the mass fraction of 12% sodium hydroxide solution are thrown into the reactor in a mass ratio of 1:10;

[0045] Fill the reactor with ammonia until the pressure in the reactor rises to 1.0MPa, raise the temperature in the reactor to 160°C, and react at constant temperature and pressure for 70 minutes. After the reaction, filter the residue and wash the residue with distilled water for 4 times. Put the filter residue and distilled water into a beaker at a mass ratio of 1:10, place the beaker in a resistance heating mantle, raise the temperature inside the heating mantle to 115°C, and heat at a constant temperature for 35...

Embodiment 3

[0053] Preparation of oxidation reaction solution:

[0054] Put bagasse and castor into an oven at a mass ratio of 5:1, dry for 120 minutes at a temperature of 80°C, and put them into a planetary ball mill after drying at a ball-to-material ratio of 10:1 and a rotational speed of 120r / min. Grind down for 30-40 minutes to prepare the grinding mixture, and put the grinding mixture and 15% sodium hydroxide solution into the reaction kettle at a mass ratio of 1:10;

[0055] Fill the reactor with ammonia until the pressure in the reactor rises to 1.2MPa, raise the temperature in the reactor to 170°C, and react at constant temperature and pressure for 80 minutes. After the reaction, filter the filter residue, wash the filter residue 5 times with distilled water, and Put the filter residue and distilled water into a beaker at a mass ratio of 1:10, place the beaker in a resistance heating jacket, raise the temperature inside the heating jacket to 120°C, and heat at a constant temperat...

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Abstract

The invention discloses a preparation method of high-viscosity durable plastering mortar, and belongs to the technical field of preparation of building materials. Bagasse and ricinus communis are subjected to alkali liquor high-temperature reaction, and plant fiber components in the bagasse and the ricinus communis are separated; meanwhile, sucrose components in the plastering mortar are obtainedthrough separation, the sucrose components are decomposed to generate carbohydrate compounds with small molecular weight, the bonding degree of all the components in the plastering mortar is increasedthrough fiber components, and the phenomenon of viscosity reduction and cracking and cracking are difficult to occur after the plastering mortar is cured; silicate is introduced into the plant fibers; ionic bonds and intermolecular forces are used for bonding in plant fibers; acid liquor is dropwise added to form a silicic acid component, and then silicic acid is heated to be decomposed to generate a silicon dioxide component, so that the silicon dioxide component is introduced into the plant fibers, the plant fibers are coated and filled with silicon dioxide, the mechanical strength and thethermal stability of the plant fibers are enhanced, and the durability of the plastering mortar is improved.

Description

technical field [0001] The invention discloses a preparation method of high-viscosity durable plastering mortar, which belongs to the technical field of building material preparation. Background technique [0002] All mortar applied on the surface of buildings or building components is collectively referred to as plastering mortar. Plastering mortar is mainly used for anti-crack protection layer outside the insulation layer in benzene thin plastering insulation system, also known as polymer plastering anti-cracking mortar. The plastering mortar should be firmly bonded to the base surface, so it is required that the mortar should have good workability and high cohesive force. The composition of the plastering mortar is basically the same as that of the masonry mortar, but in order to prevent the mortar from cracking, sometimes it is necessary to add some fiber materials (such as paper bars, hemp knives, organic fibers, etc.); in order to strengthen some functions, it is also...

Claims

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Application Information

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IPC IPC(8): C04B28/04C04B111/20C04B111/27C04B111/34
CPCC04B28/04C04B2111/00508C04B2111/20C04B2111/27C04B2111/343C04B2201/10C04B2201/50C04B24/42C04B22/06C04B18/248C04B22/062C04B22/00C04B22/141C04B22/08C04B22/122
Inventor 艾旭盛
Owner 慈溪市果雨电子商务有限公司
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