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Inorganic adhesive agent, preparation and application thereof

A technology of inorganic adhesives and adhesives, applied in the direction of inorganic adhesives, adhesives, sustainable waste treatment, etc., to achieve high bonding efficiency and improve resource utilization

Inactive Publication Date: 2008-12-10
BEIJING SAILIGE TECH DEV CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the products and techniques involved in the above-mentioned literature all have their limitations

Method used

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Examples

Experimental program
Comparison scheme
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preparation example Construction

[0031] The invention relates to an inorganic adhesive and its preparation technology. The binder includes one or more oxides or hydroxides and one or more phosphoric acid or phosphate. The method includes the following main steps: classification according to the characteristics of the adherend and pretreatment such as pulverization and / or ball milling if necessary; selection and preparation of the corresponding adhesive according to the characteristics of the adherend; The adhesive is fully mixed with the adherend; the obtained mixture is mixed with an appropriate amount of water and stirred to form a slurry, and the obtained slurry is injected into a mold for curing. The invention has strong adhesion and curing ability to almost all known materials. Wherein, the binder raw material compound includes alkaline oxide or hydroxide, or a mixture of multiple alkaline oxides and hydroxides. In addition, the binder raw material compound includes phosphoric acid or phosphate, or a mixture...

Embodiment 1

[0044] Example 1: Fly ash bonding

[0045] Use fly ash as the bonded object, with MgO and KH 2 PO 4 Mix according to the aforementioned ratio as an adhesive, follow the aforementioned ratio of adherend / adhesive, and prepare a hard and dense product according to the aforementioned method. The appearance and performance of the product remained unchanged after several months of storage in the air. There is no change in appearance and performance after immersing in water for several weeks.

Embodiment 2

[0046] Example 2: Bonding of waste slag from steel mills

[0047] Use steel mill waste slag as bonded object, with MgO and KH 2 PO 4 Mix according to the aforementioned ratio as an adhesive, follow the aforementioned ratio of adherend / adhesive, and prepare a hard and dense product according to the aforementioned method. The appearance and performance of the product remained unchanged after several months of storage in the air. There is no change in appearance and performance after immersing in water for several weeks.

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Abstract

The invention provides an inorganic adhesive and a preparation method and an application thereof. The inorganic adhesive is characterized in that the adhesive comprises a first group of material and a second group of material, wherein the first group of material comprises one or more than one oxide or hydroxide; and the second group of material comprises one or more than one phosphorus-containing acid or salt. The inorganic adhesive can play an important role in emission treatment and resource regeneration; for example, a high-grade efficient covering proposal, etc. is provided for the reuse of harmless wastes and the treatment of harmful wastes.

Description

Technical field [0001] The present invention relates to an adhesive and its preparation technology, in particular to an inorganic adhesive and its preparation method and application. The inorganic adhesive can play an important role in the treatment and recycling of emissions, for example, Provide high-quality and efficient coverage schemes for the reuse of non-hazardous waste or the treatment of hazardous waste. Background technique [0002] With the rapid development of our society and rapid economic growth, the problems of high emissions, high energy consumption, and high pollution have become increasingly severe. In particular, the contradiction of insufficient resources such as land, energy, and minerals has become more and more prominent. Therefore, energy conservation, emission reduction, improvement of resource utilization, emission treatment and recycling are major scientific issues affecting the country's sustainable development. For example, my country is the largest c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J1/00
CPCC04B12/02C04B28/342Y02W30/91C04B18/08C04B18/141C04B18/16C04B20/0048C04B22/06C04B22/062
Inventor 胡中波任颉黄小康
Owner BEIJING SAILIGE TECH DEV CORP
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