Preparation method of carbon black nano material

A nanomaterial and carbon black technology, applied in the field of nanomaterials, can solve the problems of affecting reinforcement performance, decreased bacteriostatic effect, poor bacteriostatic effect, etc., and achieve improved mechanical properties and bacteriostatic performance, good dispersibility and bacteriostatic performance. , the effect of strong fixation

Active Publication Date: 2022-06-03
德欣精细化工(深圳)有限公司
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  • Claims
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Problems solved by technology

[0002]According to the research report, carbon black materials used in the production of rubber products and inks have always occupied the forefront of the demand for nanomaterials. Carbon black nanomaterials are due to their unique nanometer size effect and high surface activity, it has a certain reinforcing effect in the rubber matrix, but due to the strong agglomeration between the carbon black material body and the poor interface compatibility with the rubber macromolecules, the carbon black The dispersion performance of black nanomaterials in the rubber matrix is ​​not good, which greatly affects the performance of its reinforcing performance
In addition, the antibacterial properties of existing rubber materials are poor, and the antibacterial effect of the added antibacterial components often drops seriously after a period of use. Therefore, an additive capable of long-term antibacterial is needed

Method used

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  • Preparation method of carbon black nano material
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  • Preparation method of carbon black nano material

Examples

Experimental program
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Effect test

Embodiment 1

[0038] A preparation method of carbon black nanomaterial, comprising the following steps:

[0039] Step 1. Weigh nano carbon black with model Vulcan XC-72 and particle size of 600-800 nm and disperse it in a NaOH solution with a mass fraction of 5% by ultrasonic dispersion. The mass ratio of nano carbon black to NaOH solution is 1:15. Stir for 3 hours at 55°C, and the filter residue obtained by filtration under reduced pressure is washed with pure water until the washing solution is neutral, and then vacuum dried to obtain activated nano-carbon black;

[0040] Step 2. Dissolve polyallylamine in absolute ethanol, the mass ratio of polyallylamine to absolute ethanol is 1.4:25, slowly add activated nano-carbon black, activated nano-carbon black and polyallylamine The mass ratio of 1:0.28, stirred at room temperature for 10h, and vacuum-dried the filter residue obtained by filtration under reduced pressure to obtain polyallylamine / nano carbon black;

[0041] Step 3, taking by wei...

Embodiment 2

[0044] A preparation method of carbon black nanomaterial, comprising the following steps:

[0045] Step 1. Weigh the nano-carbon black with a model of Vulcan XC-72 and a particle size of 600-800 nm and ultrasonically disperse it in a KOH solution with a mass fraction of 5%. The mass ratio of the nano-carbon black to the KOH solution is 1:10. Stir for 2 hours at 50-60°C, and the filter residue obtained by filtration under reduced pressure is washed with pure water until the washing solution is neutral, and then vacuum dried to obtain activated nano-carbon black;

[0046] Step 2. Dissolve polyallylamine in absolute ethanol, the mass ratio of polyallylamine to absolute ethanol is 1.2:20, slowly add activated nano-carbon black, activated nano-carbon black and polyallylamine The mass ratio is 1:0.22, stirred at room temperature for 8h, and the filter residue obtained by filtration under reduced pressure is vacuum-dried to obtain polyallylamine / nano carbon black;

[0047] Step 3, t...

Embodiment 3

[0050] A preparation method of carbon black nanomaterial, comprising the following steps:

[0051] Step 1. Weigh the nano-carbon black with a model of Vulcan XC-72 and a particle size of 600-800 nm and disperse it in ammonia water with a mass fraction of 10% by ultrasonic. The mass ratio of nano-carbon black and ammonia water is 1:20. Under stirring for 4 hours, the filter residue obtained by filtration under reduced pressure is washed with pure water until the washing solution is neutral, and then vacuum dried to obtain activated nano-carbon black;

[0052] Step 2. Dissolve polyallylamine in absolute ethanol, the mass ratio of polyallylamine to absolute ethanol is 1.6:30, slowly add activated nano-carbon black, activated nano-carbon black and polyallylamine The mass ratio of the powder was 1:0.35, stirred at room temperature for 12 h, and vacuum-dried the filter residue obtained by filtration to obtain polyallylamine / nano carbon black;

[0053] Step 3, taking by weighing p-a...

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Abstract

The invention discloses a preparation method of a carbon black nano material, which comprises the following steps: step 1, activating nano carbon black with alkali liquor to obtain active nano carbon black; step 2, carrying out stirring treatment on the active nano carbon black by using polyallylamine to obtain polyallylamine / nano carbon black; step 3, dissolving p-anisaldehyde in a lower alcohol solvent to obtain a p-anisaldehyde solution; and step 4, reacting the p-anisaldehyde solution with polyallylamine / nano carbon black to obtain p-anisyl schiff base / nano carbon black, namely the carbon black nano material. According to the material, nano carbon black is modified and activated by using a reaction product of polyallylamine and p-anisaldehyde, so that the obtained nano carbon black material has better dispersity and antibacterial activity, and after the nano carbon black material is applied to a rubber material, the mechanical property and antibacterial activity of the rubber material can be better improved.

Description

technical field [0001] The invention relates to the field of nanomaterials, in particular to a preparation method of carbon black nanomaterials. Background technique [0002] According to research reports, carbon black materials for rubber products and ink production have always been in the forefront of the demand for nanomaterials. However, due to the strong agglomeration between the carbon black material bodies and the poor interfacial compatibility with rubber macromolecules, the dispersion performance of carbon black nanomaterials in the rubber matrix is ​​not good, which greatly affects the its reinforcing properties. In addition, the bacteriostatic properties of the existing rubber materials are poor, and the added bacteriostatic components often have a serious decline in the bacteriostatic effect after a period of use. Therefore, an additive capable of long-term bacteriostasis is required. SUMMARY OF THE INVENTION [0003] In view of the problems existing in the p...

Claims

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Application Information

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IPC IPC(8): C09C1/56C09C3/10C08K9/02C08K9/04C08K3/04C08L9/06C08L9/00
CPCC09C1/56C09C3/10C08K9/02C08K9/04C08K3/04C08L9/06C08L9/00C08K9/08Y02E60/13Y02A50/30
Inventor 卢建平
Owner 德欣精细化工(深圳)有限公司
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