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Preparation method and application of zirconium carbonate salt

A technology of zirconium carbonate and potassium carbonate is applied in the field of preparation of zirconium carbonate, which can solve the problems of ammonium zirconium carbonate crosslinking agent having strong ammonia smell, poor storage stability and high cost, achieves a simple and feasible preparation method, and improves heat and cold resistance. performance, low production cost

Inactive Publication Date: 2019-01-22
浙江莱科新材料科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the existing zirconium carbonate salts have the following problems: poor storage stability, cross-linking failure within the storage period; harsh production process conditions, difficult to control
Moreover, the existing potassium zirconium carbonate cross-linking agent has poor cross-linking performance and high cost; the ammonium zirconium carbonate cross-linking agent has a strong ammonia smell and is not environmentally friendly

Method used

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  • Preparation method and application of zirconium carbonate salt

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Add 100g of deionized water to the reaction vessel with stirrer, condenser and thermometer, start stirring, add 3.5g of tartaric acid, stir for 10 minutes until it is completely dissolved, add 60g of potassium bicarbonate, stir for 5 minutes, add 10g of bicarbonate Ammonium, stir until it is completely dissolved, slowly add 50g of zirconium carbonate, heat up to 60°C and react for 0.5 hours until it is completely clear, cool down to a material temperature below 40°C, add 25g of ammonium chloride, react at 40°C for 30 minutes, and filter. This product.

Embodiment 2

[0043] Add deionized water 100g in the reaction vessel with agitator, condenser and thermometer, start stirring, add tartaric acid 3.5g, stir 10 minutes until it dissolves completely, add 80g potassium carbonate, stir 5 minutes, add 25g ammonium carbonate, Stir until completely dissolved, slowly add 50g of zirconium hydroxide, heat up to 60°C and react for 0.5 hours until completely clear, cool down to a material temperature below 40°C, add 20g of ammonium chloride, react at 40°C for 30 minutes, and filter. Taste.

Embodiment 3

[0045] The difference between this embodiment and embodiment 1 is:

[0046] The addition amount of water-soluble weak base salt, stabilizer, zirconium compound and ripening accelerator accounts for 20wt%, 1.5wt%, 25wt% and 6wt% of the total reaction system respectively.

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Abstract

The invention relates to a preparation method and application of zirconium carbonate salt, and belongs to the technical field of chemical synthesis. The preparation method comprises the following steps: mixing water, water-soluble weak-base salt, a stabilizer, a zirconium compound and a curing accelerant; filtering after reaction; collecting filtrate. The adding amounts of the water-soluble weak-base salt, stabilizer, zirconium compound and curing accelerant account for 15 to 45 percent by weight, 1 to 3 percent by weight, 18 to 50 percent by weight and 5 to 15 percent by weight of the total reaction system respectively. The method is simple and feasible, and has the advantages of high preparation efficiency, low production cost and low environment pollution. The zirconium carbonate salt prepared by the method can be applied to the reparation of papermaking coating, water-based ink or inner / outer wall coating in order to greatly improve the heat-cold resistance, stability and storage period of the product.

Description

technical field [0001] The invention belongs to the technical field of chemical synthesis, and in particular relates to a preparation method and application of zirconium carbonate salt. Background technique [0002] Zirconium carbonate Zr 2 O(CO 3 )·nH 2 O, also known as basic zirconium carbonate ZrO 2 CO 2 ·nH 2 O, is an important zirconium compound. [0003] Zirconium carbonate is soluble in water, unstable in air, soluble in dilute acid and alkali. The aqueous solution decomposes rapidly at 60°C and exists as an anionic hydroxylated zirconium polymer. Zirconium carbonate has high chemical activity and does not need heating during curing and crosslinking. [0004] At present, the existing zirconium carbonate salts have the following problems: poor storage stability, cross-linking failure within the storage period; harsh production process conditions, difficult to control. Moreover, the existing potassium zirconium carbonate cross-linking agent has poor cross-linki...

Claims

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Application Information

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IPC IPC(8): C01G25/00D21H19/38C09D7/61C09D11/03
CPCC01G25/006C09D7/61C09D11/03D21H19/385
Inventor 尹传猛
Owner 浙江莱科新材料科技有限公司
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