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Catalyst for synthesizing diisobutyl ketone from acetone and preparation method thereof

A technology of diisobutyl ketone and catalyst, which is applied in the field of catalyst and preparation, can solve many problems, and achieve the effects of improving selectivity, improving conversion rate and selectivity, and improving activity and stability

Active Publication Date: 2016-11-16
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there are not many reports about the synthesis of diisobutyl ketone

Method used

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  • Catalyst for synthesizing diisobutyl ketone from acetone and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] 262g ZrOCl 2 ·8H 2 O and 8g MnCl 2 4H 2 O was dissolved in 1000mL deionized water to make a mixed solution. Add the mixed salt solution dropwise to 800 mL of 0.2 mol / L ammonia solution, and simultaneously add 0.2 mol / L NaOH solution dropwise to control the pH to 11. After the dropwise addition, stir for 40 minutes, then statically settle and age in the mother liquor at room temperature for 24 hours to obtain Zr(OH) 4 with Mn(OH) 2 Mix hydrogel. Zr(OH) 4 with Mn(OH) 2 The hybrid hydrogels were washed with deionized water until Cl-free - Existence, filter to get the precipitate, the precipitate is dried at 110°C for 6 hours, and roasted at 300°C for 8 hours to get ZrO 2 -MnO 2 Carrier C-1.

[0031] 16gNi(NO 3 ) 2 ·6H 2 O and 3gNH 4 NO 3 Dissolve in 130mL of distilled water to make an impregnating liquid, soak 100g C-1 in the impregnating liquid for 24 hours, pour off the upper layer of water, dry at 110°C for 3 hours, and bake at 400°C for 8 hours. Cataly...

Embodiment 2

[0033] 185gZrCl 4 and 16gMnCl 2 4H 2 O was dissolved in 1000mL deionized water to make a mixed solution. Add the mixed salt solution dropwise to 800 mL of 0.2 mol / L ammonia solution, and simultaneously add 0.2 mol / L NaOH solution dropwise to control the pH to 11. After the dropwise addition, stir for 40 minutes, then statically settle and age in the mother liquor at room temperature for 24 hours to obtain Zr(OH) 4 with Mn(OH) 2 Mix hydrogel. Zr(OH) 4 with Mn(OH) 2 The hybrid hydrogels were washed with deionized water until Cl-free - Existence, filter to get the precipitate, the precipitate is dried at 110°C for 6 hours, and roasted at 300°C for 8 hours to get ZrO 2 -MnO 2 Carrier C-2.

[0034] 22gNi(NO 3 ) 2 ·6H 2 O and 3gNH 4 NO 3 Dissolve it in 130mL of distilled water to make an impregnating solution. Immerse 100g of C-3 in the impregnating solution for 24 hours, pour off the upper layer of water, dry at 110°C for 3 hours, and bake at 400°C for 8 hours. Cata...

Embodiment 3

[0036] 250gZrOCl 2 ·8H 2 O and 28gMn(NO 3 ) 2 4H 2 O was dissolved in 1000mL deionized water to make a mixed solution. Add the mixed salt solution dropwise to 800 mL of 0.2 mol / L ammonia solution, and simultaneously add 0.2 mol / L NaOH solution dropwise to control the pH to 11. After the dropwise addition, stir for 40 minutes, then statically settle and age in the mother liquor at room temperature for 24 hours to obtain Zr(OH) 4 with Mn(OH) 2 Mix hydrogel. Zr(OH) 4 with Mn(OH) 2 The hybrid hydrogels were washed with deionized water until Cl-free - Existence, filter to get the precipitate, the precipitate is dried at 110°C for 6 hours, and roasted at 300°C for 8 hours to get ZrO 2 -MnO 2 Carrier C-3.

[0037] 24gNi(CH 3 COO) 2 4H 2 O and 3.5g CH 3 COONH 4 Dissolve it in 150mL of distilled water to make an impregnating liquid. Immerse 100g of C-3 in the impregnating liquid for 24 hours, pour off the upper layer of water, dry at 110°C for 3 hours, and bake at 400°...

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Abstract

The invention discloses a catalyst for synthesis of 2,6-dimethyl-4-heptanone from acetone and a preparation method for the catalyst. The catalyst comprises an active ingredient Ni and a carrier ZrO12-MnO2; based on the total weight of the catalyst, the content of the active ingredient Ni is 1 to 10 weight percent, preferably 3 to 6 weight percent, the content of MnO2 is 1 to 20 weight percent, preferably 5 to 10 weight percent, and the balance is ZrO2. The catalyst disclosed by the invention is applied to a reaction for synthesis of the 2,6-dimethyl-4-heptanone from the acetone, and has the characteristics that conversion rate of the acetone serving as a raw material is high; the selectivity of the 2,6-dimethyl-4-heptanone serving as a product is high, that is the yield of the 2,6-dimethyl-4-heptanone serving as a target product is high.

Description

technical field [0001] The invention relates to a catalyst for synthesizing diisobutyl ketone by one-step method from acetone and a preparation method. Background technique [0002] Diisobutyl ketone is an excellent solvent and chemical intermediate. Diisobutyl ketone has a high boiling point, fast evaporation speed, and strong solubility, which can improve the leveling, gloss, and recoatability of the coating film. It has good wettability to plastic substrates and increases the adsorption force. It can be used for nitro spray paint and vinyl resin. Solvent for paints and other synthetic resin coatings, which can improve their moisture resistance. It can also be used as a dispersant for the manufacture of organic aerosols, a solvent for food refining, and an intermediate for some drugs and pesticides. It can also be used to separate metal salts in the extraction and purification of rare metals. [0003] At present, there are not many reports about the synthesis of diisobut...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J23/889C07C45/73C07C49/04
Inventor 王春梅苏杰侯学伟李风华季秀珍
Owner CHINA PETROLEUM & CHEM CORP
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