High-strength pressure-resistant foam glass preparation method

A foam glass and high-strength technology, which is applied in the field of preparation of high-strength pressure-resistant foam glass, can solve the problems of poor strength, poor impact resistance, and easy fracture of foam glass, and achieve enhanced internal space structure, good toughness, and improved The effect of mechanical strength and toughness

Inactive Publication Date: 2019-11-19
宁波陶邦新材料科技有限公司
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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 preparation method of high-strength pressure-resistant foam glass for the defects of poor strength and poor toughness of the foam glass, which lead to its easy fracture, poor compressive strength and impact resistance.

Method used

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  • High-strength pressure-resistant foam glass preparation method

Examples

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Comparison scheme
Effect test

Embodiment 1

[0031] (1) Put bamboo chips and phosphoric acid solution with a mass fraction of 8% into a beaker at a mass ratio of 1:5, place the beaker in a water bath with a water bath temperature of 70°C, let it stand at a constant temperature for 2 hours, and filter after standing to obtain a filter residue , wash the filter residue 3 times with distilled water, place the filter residue in a planetary ball mill, and grind for 50 min under the condition that the ball-to-material ratio is 10:1 to obtain a grinding product;

[0032] (2) Put the above-mentioned grinding product and the hydrochloric acid solution with a mass fraction of 6% into the reactor at a mass ratio of 1:10, mix and stir with a stirring device at a speed of 300r / min for 2 hours to obtain a solid-liquid mixture, and pour it into the reactor Add citric acid crystal powder with 5% mass of the solid-liquid mixture, increase the temperature in the reactor to 50° C., and let stand at constant temperature for 3 hours to prepar...

Embodiment 2

[0038] (1) Put bamboo slices and phosphoric acid solution with a mass fraction of 12% into a beaker at a mass ratio of 1:5, place the beaker in a water bath with a water bath temperature of 80°C, let it stand at a constant temperature for 3 hours, and filter after standing to obtain a filter residue , wash the filter residue 5 times with distilled water, place the filter residue in a planetary ball mill, and grind for 60 minutes under the condition that the ball-to-material ratio is 10:1 to obtain a grinding product;

[0039] (2) Put the above-mentioned grinding product and the hydrochloric acid solution with a mass fraction of 8% into the reaction kettle at a mass ratio of 1:10, mix and stir for 3 hours with a stirring device at a speed of 350r / min to obtain a solid-liquid mixture, and pour it into the reaction kettle Add citric acid crystal powder with a mass of 7% of the solid-liquid mixture, raise the temperature in the reactor to 60° C., and let stand at constant temperatu...

Embodiment 3

[0045] (1) Put bamboo chips and phosphoric acid solution with a mass fraction of 10% into a beaker at a mass ratio of 1:5, place the beaker in a water bath with a water bath temperature of 75°C, let it stand at a constant temperature for 2.5 hours, and filter after standing to obtain For the filter residue, wash the filter residue 4 times with distilled water, place the filter residue in a planetary ball mill, and grind for 55 minutes under the condition that the ball-to-material ratio is 10:1 to obtain a grinding product;

[0046] (2) Put the above-mentioned grinding product and the hydrochloric acid solution with a mass fraction of 7% into the reactor at a mass ratio of 1:10, mix and stir with a stirring device at a speed of 320r / min for 2.5h to obtain a solid-liquid mixture, and pour it into the reactor Add citric acid crystal powder with a mass of 6% of the solid-liquid mixture to the mixture, raise the temperature in the reactor to 55° C., and let it stand at a constant te...

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Abstract

The invention discloses a high-strength pressure-resistant foam glass preparation method, and belongs to the field of foam glass production and processing. According to the present invention, a bamboofiber component is extracted from bamboo sheets as a raw material by using phosphoric acid heating and hydrochloric acid reaction, wherein the bamboo fiber component has excellent mechanical strengthand excellent toughness, the bamboo fiber is carbonized to generate carbon fibers through high temperature treatment, the covalent bonds in the bamboo fiber structure are increased, and the spacing between the molecular chains is shortened, such that the structure strength of the fiber is strengthened, and the toughness and the mechanical strength of the foam glass are improved; the carboxyl groups on the fiber surface are increased by carrying out surface treatment on bamboo fibers with citric acid, and then iron ions are introduced to adsorb the iron ions on the surface of the bamboo fibersthrough complexation and ionic bonding, such that the pressure resistance, the toughness and the impact resistance of the foam glass can be comprehensively enhanced; and the problems of easy breaking, poor compressive strength and poor impact resistance of the current foam glass due to poor strength and poor toughness in the prior art can be solved.

Description

technical field [0001] The invention relates to a preparation method of high-strength pressure-resistant foam glass, which belongs to the technical field of foam glass production and processing. Background technique [0002] In recent years, with the vigorous development of the construction industry and the continuous enhancement of people's awareness of energy conservation and environmental protection, the issue of building energy conservation has become the focus of attention. Strengthening the thermal insulation of buildings plays a direct and practical role in improving the working and living environment conditions of human beings and saving energy. In building thermal insulation engineering, high water absorption and poor durability of thermal insulation materials have always been two major problems. Greatly reduce the thermal insulation performance of the material, affect the thermal insulation effect, and increase the energy consumption of the air conditioning system....

Claims

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Application Information

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IPC IPC(8): C03C14/00C03C11/00C03C6/02
CPCC03C1/002C03C11/007C03C14/002
Inventor 江云星
Owner 宁波陶邦新材料科技有限公司
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