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A kind of flexible film material and its preparation method and application
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A flexible film material and flexible film technology, applied in the field of materials, can solve problems such as difficulty in the operation process, insufficient, and inability to remotely control the flexibility, and achieve the effect of simple and easy preparation method and low cost
Active Publication Date: 2021-10-29
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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Problems solved by technology
In the prior art, a power supply or a simple mechanical design is usually used to remotely control the robot, but this method has the disadvantages of being unable to remotely control and not being flexible enough, which makes it difficult in the actual operation process.
Method used
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Embodiment 1
[0034] This embodiment provides a flexible film material, and the preparation method of the flexible film material is as follows:
[0035] (1) Mix PDMS and curing agent at a mass ratio of 15:1, then dope with 0.1% iron nanoparticles by mass ratio, and vacuumize to remove internal foam to obtain a mixture;
[0036] (2) Pouring the mixture obtained in step (1) on the surface of the high-density polyethylene formwork with a pit-like structure, with a thickness of 1 mm.
[0037] (3) Dry the high-density polyethylene template filled with the mixture in a 90°C drying oven for 1 hour;
[0038] (4) After cooling down, the cured flexible film material is uncovered and separated from the template to obtain the flexible film material.
[0039] Figure 1~3 is a distribution diagram of multiple rows of linear substructures on the surface of the flexible film material.
Embodiment 2
[0041] This embodiment provides a flexible film material, and the preparation method of the flexible film material is as follows:
[0042] (1) Mix PDMS and curing agent at a mass ratio of 12:1, vacuumize and remove internal foam to obtain a mixture;
[0043] (2) Pouring the mixture obtained in step (1) on the surface of the high-density polyethylene formwork with a pit-like structure, with a thickness of 1 mm.
[0044] (3) Dry the high-density polyethylene template filled with the mixture in a drying oven at 80° C. for 2 hours;
[0045] (4) After cooling down, the cured flexible film material is uncovered and separated from the template to obtain the flexible film material.
Embodiment 3
[0047] This embodiment provides a flexible film material, and the preparation method of the flexible film material is as follows:
[0048] (1) Mix PDMS and curing agent at a mass ratio of 12:1, vacuumize and remove internal foam to obtain a mixture;
[0049] (2) pouring the mixture obtained in step (1) on the surface of a high-density polyethylene formwork with a pit-like structure, with a thickness of 1mm;
[0050] (3) Dry the high-density polyethylene template filled with the mixture in a drying oven at 70° C. for 3 hours;
[0051] (4) After cooling down, the cured flexible film material is uncovered and separated from the template to obtain the flexible film material.
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Abstract
The invention relates to a flexible film material and its preparation method and application; multiple rows of non-intersecting linear substructures are arranged on the surface of the flexible film material, and the distance between any adjacent linear substructures is 0.1-10mm , and the spacing between two adjacent rows of linear substructures is set in descending order; each of the linear substructures is composed of a plurality of micro-protrusion structures that are basically the same in shape and arranged equidistantly; the preparation method of the flexible film material includes The raw materials for preparing the flexible film are poured into the template with a pit-like structure on the surface to form the flexible film material. The flexible thin film material of the present invention undergoes a directional bending action under external stimuli; the flexible thin film material can be applied to robots and their manufacture, which is of great significance for the research of remotely controllable flexible robots, especially for It is meaningful to study the bending motion of the overall structure of the soft robot and the flexibility of the fingers.
Description
technical field [0001] The invention relates to the field of material technology, in particular to a flexible thin film material and its preparation method and application. Background technique [0002] The research of robots is mainly through mechanical design, but realizing robot movement through remote control is a technical problem that people in the field urgently need to solve. In the prior art, a power supply or a simple mechanical design is usually used to remotely control the robot, but this method has the disadvantages of being unable to remotely control and not being flexible enough, which makes it difficult in the actual operation process. Contents of the invention [0003] The purpose of the present invention is to overcome the defects of the prior art and provide a flexible film material (stimulus-responsive deformable), the surface of the flexible film material has multiple rows of linear substructures, and directional bending occurs when affected by externa...
Claims
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Application Information
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Patent Type & Authority Patents(China)
IPC IPC(8): C08L83/04C08K3/08C08J5/18
CPCC08J5/18C08J2383/04C08K2003/0856C08K2201/011
Inventor 王磊李培柳刘静
Owner TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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