High-strength thermal-insulation composite board for buildings and preparation method of high-strength thermal-insulation composite board

A thermal insulation composite board, high-strength technology, applied in the field of building materials, can solve the problems of high energy consumption, low strength, unsafe, unhealthy and environmental protection

Inactive Publication Date: 2021-11-19
南京项多裕建筑科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, due to the impact of policies and development trends, some building insulation materials, such as extruded polystyrene boards and polystyrene particles, are prohibited from being used due to high energy consumption, unhealthy and environmentally friendly, low strength and unsafe

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A construction thermal insulating composite panel with high strength, in parts by weight basis, including: 30 parts of the modified bamboo fiber, 9 parts of calcium carbonate and 20 parts of modified nano thermotropic liquid crystal polyarylate fibers.

[0035] A method for preparing a composite building insulation board with high strength, high-strength construction the insulation composite panel production method includes the following production steps:

[0036](1) the mass fraction of the bamboo fiber and 98% concentrated sulfuric acid mixed mass ratio of 1:50, was added three times the mass of the bamboo fiber potassium permanganate, for 6h at 60 ℃, 30kHz ultrasonic agitation conditions, then the reaction mixture was controlled at 0 ℃ hydrogen peroxide was added, then placed in a centrifuge, centrifuged at speed of 8000r / min to give the product, the product was washed with hydrochloric acid solution of 0.1% of the mass fraction of 5 times, and finally 6h at -10 ℃ drie...

Embodiment 2

[0046] A construction thermal insulating composite panel with high strength, in parts by weight basis, including: 30 parts of bamboo fiber, 9 parts of calcium carbonate and 20 parts of modified nano thermotropic liquid crystal polyarylate fibers.

[0047] A method for preparing a composite building insulation board with high strength, high-strength construction the insulation composite panel production method includes the following production steps:

[0048] (1) In the three nano-calcium carbonate and water in a flask by mixed mass ratio of 1:10, was added 0.5 times the mass of the nano-calcium carbonate undecanamine nano-calcium carbonate and 0.5 times the mass of dodecylamine, at 80 deg.] C , under ultrasonic vibration conditions 30kHz 3h after suction filtration, dried, pulverized and sieved to obtain modified nano calcium carbonate;

[0049] (2) the bamboo fiber and water mixed in a mass ratio of 1:20, was added 0.3 times the mass of the bamboo fiber in step (1) after 3h the r...

Embodiment 3

[0056] A construction thermal insulating composite panel with high strength, in parts by weight basis, including: 30 parts of the modified bamboo fibers, nano calcium carbonate 9 parts and 20 parts of thermotropic liquid crystal polyarylate fibers.

[0057] A method for preparing a composite building insulation board with high strength, high-strength construction the insulation composite panel production method includes the following production steps:

[0058] (1) the mass fraction of the bamboo fiber and 98% concentrated sulfuric acid mixed mass ratio of 1:50, was added three times the mass of the bamboo fiber potassium permanganate, for 6h at 60 ℃, 30kHz ultrasonic agitation conditions, then the reaction mixture was controlled at 0 ℃ hydrogen peroxide was added, then placed in a centrifuge, centrifuged at speed of 8000r / min to give the product, the product was washed with hydrochloric acid solution of 0.1% of the mass fraction of 5 times, and finally 6h at -10 ℃ dried with a v...

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Abstract

The invention discloses a high-strength thermal-insulation composite board for buildings and a preparation method thereof, and belongs to the technical field of building materials. The preparation method comprises the following steps: reacting bamboo charcoal fibers with potassium permanganate in concentrated sulfuric acid, dropwise adding hydrogen peroxide to obtain modified bamboo charcoal fibers, and filling the modified bamboo charcoal fibers with nano calcium carbonate coated and modified by undecylamine and dodecylamine, adding thermotropic liquid crystal polyarylester fiber treated by nitrogen plasma into the modified bamboo charcoal fiber dispersion liquid filled with the modified nano calcium carbonate, carrying out cross-linking reaction, and drying and dehydrating to obtain the high-strength thermal-insulation composite board for the building. The high-strength thermal-insulation composite board for the building prepared by the invention has excellent thermal insulation performance and breaking strength.

Description

Technical field [0001] The present invention relates to the technical field of building materials, in particular composite plate and preparation method as a high-strength building insulation. Background technique [0002] With the rapid development of human society, energy issues become increasingly prominent. According to statistics, in 2018 the whole process of building the national total energy consumption was 2.147 billion tons of standard coal, accounting for the proportion of the country's total energy consumption was 46.5%. 2018 National Building whole process of carbon emissions of 49.3 million tons, accounting for carbon emissions accounted for 51.3%. Building energy consumption affects the sustainable development of the economy and the efficient use of national resources, in view of building energy efficiency is the primary measure to reduce building energy consumption, the Chinese government issued a number of laws related to building energy regulations. Shanghai issue...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B30/02
CPCC04B30/02C04B2201/50C04B2111/00008C04B14/386C04B14/28C04B16/0683
Inventor 李高云
Owner 南京项多裕建筑科技有限公司
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