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Ardealite composite material insulation board and production method thereof

A technology of composite material and phosphogypsum, applied in the field of phosphogypsum composite material insulation board and its preparation, can solve the problems of being unsuitable for practical application, complicated manufacturing process, increasing cost, etc., achieving industrial application, low production cost, Energy Saving Effect

Active Publication Date: 2014-12-10
CHONGQING ANGE ENVIRONMENT & GREENING ENGCO
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method requires drying, frying or calcination of phosphogypsum, which consumes a lot of energy
In addition, the strength of the gypsum board produced according to the traditional method is average. In order to obtain better thermal insulation, sound insulation, and light weight effects, the strength of the foamed board is lower, and it is not suitable for practical applications. Tough fibers are used to increase strength, but stickers will increase the cost and complicate the manufacturing process

Method used

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  • Ardealite composite material insulation board and production method thereof

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Embodiment Construction

[0023] In order to better understand the present invention, the present invention is further explained below in conjunction with some specific examples, and some comparative examples are given, but it should be understood that the content of the present invention is not limited to the following examples.

[0024] Embodiment 1~5, as shown in table 1.

[0025]

[0026] The series of preparation steps are as follows.

[0027] Step 1) Weighing.

[0028] Refer to Table 1 to weigh various raw materials. In this series of implementations, the thermosetting resin is selected from urea-formaldehyde resin; the curing agent is selected as a sulfuric acid solution with a mass fraction of 5% to 10%; A rich foam is obtained; the thickener is commercially available; the fiber is polypropylene fiber.

[0029] Step 2) Mix the ingredients.

[0030] Stir phosphogypsum, urea-formaldehyde resin, sulfuric acid solution, and stirring materials with water in a mixer at 300r / min for 3 minutes, t...

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Abstract

The invention provides an ardealite composite material insulation board and a production method thereof, belonging to the technical field of comprehensive utilization of resources and novel building materials. The insulation board provided by the invention has uniform pores; ardealite minerals mainly contain alpha-hemihydrate gypsum and hydration products thereof. The ardealite composite material insulation board is produced by forming main materials including ardealite and thermosetting resin and auxiliary materials including a curing agent, a foaming agent, a thickening agent and water through a steam-cured process. Compared with the prior art, the insulation board provided by the invention has the advantages of high strength, good insulation effect and capability of regulating air humidity, ardealite can be directly used as a raw material without sintering, and the insulation board is low in cost and convenient to popularize and use.

Description

technical field [0001] The invention relates to a phosphogypsum composite material insulation board and a preparation method thereof, belonging to the technical field of comprehensive utilization of resources and new building materials. Background technique [0002] Phosphogypsum is a by-product mainly composed of calcium sulfate dihydrate obtained when phosphoric acid is prepared from phosphate rock by wet method. It is reported that 5 tons of phosphogypsum are discharged for every 1 ton of phosphoric acid produced. The annual discharge of phosphogypsum in the world is about 130 million tons, and the annual discharge of phosphogypsum in my country reaches 20 million tons, and it is growing at a rate of 15% per year. Phosphogypsum contains not only sulfur and gypsum resources with multiple potential uses, but also phosphorus, fluorine, alkali metals, silicon, iron, aluminum, magnesium and organic substances, which are harmful to the environment and comprehensive utilization...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/14C04B38/02
Inventor 曹宏马玉莹薛俊史亮亮
Owner CHONGQING ANGE ENVIRONMENT & GREENING ENGCO
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