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Method for the treatment of turquoise by using aluminum phosphate salts

A technology of aluminum phosphate and turquoise is applied in the field of using aluminum phosphate to treat turquoise, which can solve the problems of high requirements for adhesive viscosity, process cost, high production energy consumption, unsuitable for loose turquoise, etc. To achieve the effect of low cost of raw materials, abundant and cheap raw materials, and excellent gemological properties

Inactive Publication Date: 2011-06-08
CHINA UNIV OF GEOSCIENCES (WUHAN)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The process cost and production energy consumption of this method are high, and the treated turquoise is filled with a large amount of organic polymers, resulting in a large difference in its composition, structure, physical properties and other characteristics from natural turquoise, and the durability of the finished product is relatively low. Poor, disadvantages such as the smell of plastic burnt when heated
It has been reported that phosphate inorganic compounds are used to cement clast-like turquoise, as well as cementation between other materials. However, these methods are not suitable for the treatment of loose turquoise, because loose turquoise has a high viscosity to the adhesive. requirements

Method used

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  • Method for the treatment of turquoise by using aluminum phosphate salts
  • Method for the treatment of turquoise by using aluminum phosphate salts
  • Method for the treatment of turquoise by using aluminum phosphate salts

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Utilize the method for aluminum phosphate processing turquoise, it comprises the following steps;

[0026] 1) Pretreatment: Grind off the surrounding rock and dirty skin on the surface of the loose (more uniform) turquoise, clean it, put it in a constant temperature drying oven at 95°C for 3.5 hours, remove the adsorbed water, and obtain the pretreated Treated turquoise, sealed for later use;

[0027] 2) Preparation of adhesive: KH 2 PO 4 , NaH 2 PO 4 , MgO were ground to 200 mesh respectively, according to 800mL Al(H 2 PO 4 ) 3 Add 3 g of KH to the solution 2 PO 4 , 4 grams of NaH 2 PO 4 , 2 grams of MgO were mixed and stirred evenly to prepare an adhesive;

[0028] The Al(H 2 PO 4 ) 3 The mass fraction of the solution is 38% [100 grams of Al(H 2 PO 4 ) 3 Al(H 2 PO 4 ) 3 account for 38 grams];

[0029] 3) Soak the pretreated turquoise in the above-mentioned adhesive under normal pressure after vacuuming, soaking time for 14 days, and soaking temper...

Embodiment 2

[0038] Utilize the method for aluminum phosphate processing turquoise, it comprises the following steps;

[0039] 1) Pretreatment: Grind off the surrounding rock and dirty skin on the loose (uneven texture) turquoise surface, clean it, put it in a constant temperature drying oven and dry it at 80°C for 3 hours, remove the adsorbed water, and obtain pretreatment The final turquoise, sealed for later use;

[0040] 2) Preparation of adhesive: KH 2 PO 4 , NaH 2 PO 4 , MgO were ground to 200 mesh respectively, according to 800mL Al(H 2 PO 4 ) 3 2.5 g of KH was added to the solution 2 PO 4 , 4.5 g of NaH 2 PO 4 , 3 grams of MgO were mixed and stirred evenly to prepare an adhesive;

[0041] The Al(H 2 PO 4 ) 3 The mass fraction of the solution is 35% [100 grams of Al(H 2 PO 4 ) 3 Al(H 2 PO 4 ) 3 account for 35 grams];

[0042] 3) Soak the pretreated turquoise in the above-mentioned adhesive under normal pressure after vacuuming, soaking time for 14 days, and soakin...

Embodiment 3

[0055] Utilize the method for aluminum phosphate processing turquoise, it comprises the following steps;

[0056] 1), pretreatment: rub off the surrounding rock and dirty skin on the surface of the loose turquoise, clean it, put it in a constant temperature drying oven and dry it at 80°C for 3 hours, remove the adsorbed water, and obtain the pretreated turquoise. sealed spare;

[0057] 2) Preparation of adhesive: KH 2 PO 4 , NaH 2 PO 4 , MgO were ground to 200 mesh respectively, according to 800mL Al(H 2 PO 4 ) 3 Add 2 g of KH to the solution 2 PO 4 , 1 g of NaH 2 PO 4 , 12 grams of MgO were mixed and stirred evenly to prepare an adhesive;

[0058] The Al(H 2 PO 4 ) 3 The mass fraction of the solution is 20% [100 grams of Al(H 2 PO 4 ) 3 Al(H 2 PO 4 ) 3 account for 20 grams];

[0059] 3) Soak the pretreated turquoise in the above-mentioned adhesive at normal temperature and pressure after being vacuumed, and soak for 30 days. After soaking, take out the tu...

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Abstract

The invention relates to a method for the filling treatment of turquoise by using aluminum phosphate salts. A method for the treatment of turquoise by using aluminum phosphate salts is characterized in that the method comprises the following steps of: 1) pretreatment: wall rock and dirty surface are worn off on the surface of the turquoise with loose texture and are then put in a constant-temperature drying box for being dried for 3-4 hours at 80-110 DEG C after being cleaned, so as to obtain the pretreated turquoise; 2) preparation of an adhesive: KH2PO4, NaH2PO4 and MgO are respectively ground to 200 meshes and are then selected based on the proportion of Al(H2PO4)3 solution KH2PO4:NaH2PO4:MgO = 800mL:2-10g:1-20:1-20g to be mixed and stirred evenly, thus resulting in the adhesive; 3) the pretreated turquoise is vacuumized and then soaked in the adhesive for 1-30 days at 15-30 DEG C under normal pressure of 40Mpa; the turquoise is taken out and put into the constant-temperature drying box for heating and curing, upon the ending of the heating, the turquoise is naturally cooled to room temperature and is subsequently polished to a finished product. The method has simple process, low cost and good simulation.

Description

technical field [0001] The invention relates to a method for filling and treating turquoise with aluminum phosphate. Background technique [0002] At present, the method used for turquoise materials that are loose in texture and cannot be used directly is injection molding, that is, the method of sealing vacuum and pressurization to fill organic polymers into loose turquoise, and then make the polymers Consolidation plays the role of filling and cementing, thereby improving the quality of turquoise. The process cost and production energy consumption of this method are high, and the treated turquoise is filled with a large amount of organic polymers, resulting in a large difference in its composition, structure, physical properties and other characteristics from natural turquoise, and the durability of the finished product is relatively low. Poor, the heating produces the peculiar smell of plastic burnt and other disadvantages. It has been reported that phosphate inorganic ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B41/50
Inventor 袁心强陈全莉周金花
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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