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Blocky bionic material, method for manufacturing same and application of blocky bionic material

A biomimetic material and block technology, applied in the field of biomimetic materials, can solve the problems of complex preparation procedures, narrow application range, and high energy consumption

Active Publication Date: 2015-11-25
UNIV OF SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The journal "Natural Materials" in 2014, Volume 13, page 508, reported that silica particles, alumina particles, alumina micro-sheets, etc. were used as raw materials, after ball milling-ice template-hot pressing-injecting inorganic components-hot pressing-sintering A series of steps, such as a series of steps, finally prepared a high-strength bionic material with a three-dimensional block-like shell-like structure. Although the above-mentioned preparation method can obtain a high-strength bionic structure block-like bionic material, the preparation procedure is complicated, there are many uncertain factors, and the energy consumption is large. At the same time, the scope of application is narrow, and it is difficult to meet the needs of large-scale production and practical applications in the future.

Method used

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  • Blocky bionic material, method for manufacturing same and application of blocky bionic material
  • Blocky bionic material, method for manufacturing same and application of blocky bionic material
  • Blocky bionic material, method for manufacturing same and application of blocky bionic material

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preparation example Construction

[0024] The invention provides a method for preparing a block bionic material, comprising:

[0025] The inorganic material is mixed with the first polymer to form a film to obtain a biomimetic structure film;

[0026] 2) placing the second polymer between adjacent biomimetic structure films and compounding to obtain a block biomimetic material;

[0027] According to the present invention, the inorganic material is mixed with the first polymer to form a film to obtain a bionic structure film; the inorganic material is natural clay attapulgite, montmorillonite nanosheet, natural mineral mica microsheet, alumina microsheet, silicon Calcium acid nanowires, calcium phosphate nanowires, calcium carbonate microsheets, brushite microsheets, graphene oxide sheets or carbon nanotubes; more preferably natural clay, montmorillonite nanosheets, natural mineral mica nanosheets, oxidized Aluminum microflakes, calcium silicate nanowires, calcium phosphate nanowires, brushite microflakes, grap...

Embodiment 1

[0042] Preparation of brushite-sodium alginate-chitosan three-dimensional bulk biomimetic material:

[0043] Preparation of sodium alginate solution and chitosan solution: Weigh 5.0g sodium alginate powder in a 250ml beaker, and measure 250ml deionized water in the beaker, use mechanical stirring, 300rpm, 12h, finally obtain a uniform 2% ( 20mg / ml) of sodium alginate solution, placed in the refrigerator freezer for use. Weigh 0.5g of chitosan powder in a 100ml beaker, and measure 50ml of deionized water in the beaker, use mechanical stirring, 300rpm, slowly add 0.5ml of acetic acid in the mixing system, stir for 6h, and finally obtain a uniform 1 % (10mg / ml) chitosan solution, placed in the refrigerator freezer stand-by.

[0044] Preparation of brushite micro-sheets: Weigh 6.062g of anhydrous calcium chloride into a 500ml beaker, measure 400ml of deionized water into the beaker, stir and dissolve to obtain a clear calcium chloride solution. Weigh 1.65 g of potassium dihydrog...

Embodiment 2

[0060] Preparation of brushite-sodium alginate-polydopamine three-dimensional bulk biomimetic material:

[0061] The preparation of sodium alginate solution and brushite microsheets is the same as in Example 1.

[0062] Preparation of dopamine solution: Weigh 1g of dopamine hydrochloride in a 100ml beaker, and measure 50ml of phosphate buffered saline water in the beaker, use mechanical stirring to dissolve at 0°C to obtain a uniform 1% (10mg / ml) dopamine hydrochloride solution , placed in the freezer for later use.

[0063] The preparation of the brushite-sodium alginate biomimetic structure film is the same as in Example 1.

[0064] Preparation of brushite-sodium alginate-polydopamine three-dimensional block biomimetic material: Spray a layer of 1% dopamine hydrochloride solution on the surface of the prepared biomimetic structure film. Lay another layer on it and continue spraying, and repeat multiple layers to finally obtain a block to be pressed with multi-layer biomime...

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Abstract

The invention provides a blocky bionic material, a method for manufacturing the same and application of the blocky bionic material. The method includes mixing platy or fibrous inorganic matrix materials and first polymers with one another and then assembling the platy or fibrous inorganic matrix materials and the first polymers to obtain bionic structure films; carrying out hot-pressing on the multiple layers of bionic structure films by the aid of second polymers to obtain the three-dimensional blocky bionic material. The second polymers are used as adhesion layers between the multiple layers of bionic structure films. The blocky bionic material, the method and the application have the advantages that the different inorganic matrix materials, the different first polymers and the different second polymers can be selected, high interaction force can be generated among various raw materials, and accordingly the blocky bionic material manufactured by the aid of the method is light and is high in strength; complicated experimental equipment can be omitted in manufacturing procedures, the experimental method is simple and feasible and is good in economical efficiency, the time and labor can be saved, and industrial production can be facilitated.

Description

technical field [0001] The invention relates to the field of bionic materials, in particular to a block bionic material and its preparation method and application. Background technique [0002] At present, research on biomimetic light-weight and high-strength biomimetic materials has attracted much attention, especially using natural shell materials as models to prepare new biomimetic materials with mechanical properties comparable to natural shells, which have been widely concerned by researchers. However, most of the new series of new shell-like reinforcement materials prepared at present are limited to thin films, and the preparation methods are time-consuming and labor-intensive, and the efficiency is not high, which greatly hinders its industrial production from the perspective of economy; from the perspective of mechanical application, two Dimensional thin film materials are difficult to meet the needs of a wide range of practical applications, such as difficult to bea...

Claims

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Application Information

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IPC IPC(8): A61L27/50A61L27/40B32B9/02B32B9/04B32B27/28B32B27/36B32B33/00
Inventor 俞书宏高怀岭陈思铭
Owner UNIV OF SCI & TECH OF CHINA
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