Ni@MoC/NMC catalyst for reducing biological plasticizer neopentyl glycol dibenzoate and preparation method

A technology of neopentyl glycol dibenzoate and catalyst, which is applied in the direction of catalyst activation/preparation, physical/chemical process catalyst, carboxylate preparation, etc., and can solve the problems of low product selectivity and low conversion rate of reactants

Inactive Publication Date: 2020-10-30
RUNTAI CHEM TAIXING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the prior art, in the process for preparing neopentyl glycol dicyclohexylcarboxylate, the conversion rate of the reactant is low, and the selectivity of the product is low, therefore, it has not been able to carry out large-scale production

Method used

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  • Ni@MoC/NMC catalyst for reducing biological plasticizer neopentyl glycol dibenzoate and preparation method
  • Ni@MoC/NMC catalyst for reducing biological plasticizer neopentyl glycol dibenzoate and preparation method

Examples

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Effect test

Embodiment 1

[0027] The preparation method of the Ni@MoC / NMC catalyst of the present embodiment comprises the following steps:

[0028] 1) Measure 200mL of absolute ethanol and 200mL of deionized water, and mix to obtain an ethanol solution. Weigh 5g of P123 and dissolve it in ethanol solution, stir at room temperature (temperature is 25°C, rotating speed is 500 rpm) for two hours, then weigh 2g of dopamine, continue to stir for 3 hours, take 1.0g of ammonium molybdate tetrahydrate Put it in a beaker and stir for 2 hours, then weigh 0.5g of nickel nitrate and put it in the beaker, continue to stir at room temperature for 3 hours, take 5ml of TMB (mesitylene) and slowly drop into the above solution, continue to stir for 4 hours, and then dissolve the above solution Move it into a constant temperature water bath at 30°C (rotating at 500 rpm), take 25ml of ammonia water and slowly drop it into the solution, and stir for 3-4h. Then the above reacted solution was centrifuged and washed three t...

Embodiment 2

[0034] In Example 1, 1.0 g of ammonium molybdate tetrahydrate and 0.5 g of nickel nitrate hexahydrate were weighed instead of 0.5 g of ammonium molybdate tetrahydrate and 1 g of nickel nitrate hexahydrate were weighed.

Embodiment 3

[0036] In Example 1, 1.0 g of ammonium molybdate tetrahydrate and 0.5 g of nickel nitrate hexahydrate were weighed instead of 1.5 g of ammonium molybdate tetrahydrate and 1 g of nickel nitrate hexahydrate were weighed.

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Abstract

The invention belongs to the technical field of catalysis, and particularly relates to a Ni@MoC/NMC catalyst for reducing a biological plasticizer neopentyl glycol dibenzoate and a preparation method.The Ni@MoC/NMC catalyst disclosed by the invention is synthesized by adopting a one-step method. An active center is embedded into a carrier by mainly utilizing a template under the action of a carbon-containing ligand. The catalyst prepared by the method is low in cost, high in activity and good in stability, and the Ni@MoC/NMC catalyst is large in specific surface area, high in active componentdispersity and good in reaction activity and selectivity.

Description

technical field [0001] The invention belongs to the technical field of catalysts, and in particular relates to a Ni@MoC / NMC catalyst and a preparation method for reducing neopentyl glycol dibenzoate. Background technique [0002] It is generally believed that benzoic acid esters such as di-2-ethylhexyl phthalate (DOP), dibutyl phthalate (DBP), and neopentyl glycol dibenzoate have carcinogenic effects and can cause cancer. The proliferation of peroxidase in rodents can cause changes in red blood cells and lymphocytes in the blood, nephrotoxicity, pulmonary poisoning, reproductive system poisoning, etc., and clearly stipulates that DOP, DBP, butyl benzyl phthalate (BBP), etc. Used in close contact products such as children's toys, food, and pharmaceutical packaging. [0003] Neopentyl glycol dicyclohexyl carboxylate has low migration, colorless and transparent, safe and environmentally friendly, and can be miscible with common organic solvents and common plasticizers. Its ela...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J27/22B01J27/24B01J35/10B01J37/18C07C67/303C07C69/75
CPCB01J27/22B01J27/24B01J35/1019B01J35/1023B01J37/18C07C67/303C07C69/75
Inventor 宋文国卢小松张世元
Owner RUNTAI CHEM TAIXING CO LTD
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