Polyamino acid adjusted and controlled super-hydrophobic surface material constructed in a biomineralization way and the preparation method thereof

A technology of super-hydrophobic surface and polyamino acid, which is applied in the direction of special surface, nanostructure manufacturing, and device for coating liquid on the surface, etc. It can solve the problem of wettability of the final material without reporting the crystal morphology and the inability to form a stable functional surface , weak force and other problems, to achieve the effect of controllable product size and shape, simple preparation process and environmental friendliness

Inactive Publication Date: 2014-11-12
复向医药科技(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above studies show that inorganic minerals are naturally deposited on the substrate material, and the interaction between the two is relatively weak, so a stable functional surface cannot be formed, and the author has not reported the crystal morphology, crystal form and post-treatment Influence of process etc. on wettability of final material

Method used

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  • Polyamino acid adjusted and controlled super-hydrophobic surface material constructed in a biomineralization way and the preparation method thereof
  • Polyamino acid adjusted and controlled super-hydrophobic surface material constructed in a biomineralization way and the preparation method thereof
  • Polyamino acid adjusted and controlled super-hydrophobic surface material constructed in a biomineralization way and the preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0032]The surface of the glass plate was treated with ethanol-n-hexane, plasma, nitric acid washing solution, concentrated sulfuric acid, and deionized water repeatedly for use. Add the prepared 2mmol / L calcium chloride solution and 0.5g / L polyglutamic acid solution into a 10mL small beaker, then put the previously treated small glass plate into the small beaker, and seal it with parafilm Poke a few small holes in it with a needle. Then put 10g of inorganic ammonium salt into another small beaker and seal it with parafilm, and poke several small holes on it. Put the previous beaker into a desiccator at the same time, take out the glass plate after the reaction time is 24 hours at a temperature of 25°C for post-treatment. After the glass plate is taken out, the surface is repeatedly washed with deionized water for 1-6 times, and finally the glass plate is vacuum-dried. Put the dry glass plate with inorganic calcium salt into the gold spraying instrument to spray gold for 30s,...

Embodiment 2

[0036] The surface of the glass plate was treated with ethanol-n-hexane, plasma, nitric acid washing solution, concentrated sulfuric acid, and deionized water repeatedly for use. Add the prepared 5mmol / L calcium chloride solution and 0.5g / L polyserine solution into a 100mL small beaker, then put the previously treated small glass plate into the small beaker, seal it with a parafilm film and place it in the Poke a few small holes with a needle. Then put 9g of inorganic ammonium salt into another small beaker and seal it with parafilm, and poke several small holes on it. Put the previous beaker into a desiccator at the same time, take out the glass plate after the reaction time is 48h at a temperature of 35°C for post-treatment. After the glass plate is taken out, the surface is repeatedly washed with deionized water for 1-6 times, and finally the glass plate is vacuum-dried. Put the dry glass plate with inorganic calcium salt into the gold spraying instrument to spray gold fo...

Embodiment 3

[0038] The surface of the glass plate was treated with ethanol-n-hexane, plasma, nitric acid washing solution, concentrated sulfuric acid, and deionized water repeatedly for use. Add the prepared 10mmol / L calcium chloride and sodium dihydrogen phosphate solution and 0.6g / L polyglutamic acid solution into a 100mL small beaker, then put the previously treated small glass plate into the small beaker, and use parafilm After the film seals it, several small holes are poked on it with a needle. Then put 8g of inorganic ammonium salt into another small beaker and seal it with parafilm, and poke several small holes on it. Put the previous beaker into a desiccator at the same time, take out the glass plate after the reaction time is 24 hours at a temperature of 30°C for post-treatment. After the glass plate is taken out, the surface is repeatedly washed with deionized water for 1-6 times, and finally the glass plate is vacuum-dried. Put the dry glass plate with inorganic calcium salt...

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Abstract

The invention belongs to the technical fields of material science, bionics, nanometer technology and macromolecule science, speciafically a polyamino acid adjusted and controlled super-hydrophobic surface material constructed in a biomineralization way and the preparation method thereof. A glass pane after surface treatment is used as the base material; polyamino acid (acidic amino acid such as glutamic acid, aspartic acid andserine) is used as organic additives; and in a system added with inorganic minerals (calcium carbonate, calcium phosphate, hydroxyapatite, etc.), the surface with a micrometer-nanometer coarse structure is constructed on the original place of the glass pane with a biomineralization method. After treatment, the surface has an excellent super-hydrophobic performance. By adjusting the mineralization condition (the concentration of inorganic mineral salt and the concentration of organic additives), the morphology of the base surface can be controlled so that the super-hydrophobic state of the surface can be controlled in the end. The super-hydrophobic surface material has the advantages of easy preparation course, environment protection and controllable morphology. The super-hydrophobic surface material has great application prospect in many fields such as preparation of self-cleaning surfaces and anti-biological pollution coatings and the like.

Description

technical field [0001] The invention belongs to the technical fields of material science, bionics, nanotechnology, and polymer science, and relates to a material preparation method, in particular to a polyamino acid-regulated biomineralization construction superhydrophobic surface material and preparation method; at the same time, the present invention It also relates to a superhydrophobic surface material prepared by the above preparation method. Background technique [0002] When the contact angle of water droplets on a solid surface is greater than 150° and it is not easy to roll off the surface, the solid surface is considered to be superhydrophobic. There are a large number of exotic natural superhydrophobic surfaces in nature, such as the leaves of rice, the shells of beetles in the desert, the wings of butterflies, and the soles of geckos. With the in-depth study and understanding of these natural superhydrophobic phenomena, it has been found that the combination of ...

Claims

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Application Information

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IPC IPC(8): B05D5/08B82B3/00B82B1/00
Inventor 刘也卓曹恒
Owner 复向医药科技(上海)有限公司
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