CN110696459A - Preparation method of polypyrrole-BOPP (biaxially-oriented Polypropylene) -based actuator - Google Patents
Preparation method of polypyrrole-BOPP (biaxially-oriented Polypropylene) -based actuator Download PDFInfo
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- CN110696459A CN110696459A CN201910940919.1A CN201910940919A CN110696459A CN 110696459 A CN110696459 A CN 110696459A CN 201910940919 A CN201910940919 A CN 201910940919A CN 110696459 A CN110696459 A CN 110696459A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
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- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/0605—Polycondensates containing five-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms
- C08G73/0611—Polycondensates containing five-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms with only one nitrogen atom in the ring, e.g. polypyrroles
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
Abstract
The invention discloses a preparation method of a polypyrrole-BOPP actuator. Firstly, depositing a polypyrrole film with a certain thickness on a PDMS (polydimethylsiloxane) elastic substrate, washing the obtained polypyrrole film with water and drying the polypyrrole film by blowing, and obtaining a PDMS/PPy substrate; then, a BOPP film containing acrylate pressure-sensitive adhesive is used for being stuck on the surface of PDMS/PPy, and a three-layer PDMS/PPy/BOPP composite system is obtained; finally, PPy was peeled off from PDMS, resulting in a BOPP/PPy dual membrane actuator. The invention applies PPy to the field of actuators to show better braking effect. The BOPP/PPy actuator with the optical responsiveness and the electric responsiveness is successfully prepared by a simple and quick operation mode, common illumination bending can be realized, and objects which are fifteen times heavier than a BOPP/PPy double-layer system can be lifted. The method avoids complicated operation steps, long preparation time and high equipment and experimental consumable loss.
Description
Technical Field
The invention relates to the technical field of preparation of free independent polymer films.
Background
Soft actuators have attracted a great deal of attention because of their biomimetic properties. The intelligent actuator has potential application prospect in various fields, so that the development of novel actuating materials with simple manufacturing process and excellent performance is still urgently needed. The development of soft actuators remains a challenge, mainly considering whether existing materials can be used, and whether cost-effectiveness is high. The present invention proposes a simple method to manufacture a BOPP/PPy actuator. The flexible actuator has a controllable anisotropic structure, can realize various complex deformations such as photo-thermal bending and electrothermal bending based on a double mechanism, can display a bending curvature as high as 7.8cm < -1 > and can lift an object which is fifteen times heavier than the flexible actuator, is only used for optical energy, does not need actuators in other energy forms, and has great advantages compared with the traditional actuator.
Disclosure of Invention
Aiming at the prior art, the invention discloses a preparation method of a polypyrrole-BOPP actuator. PPy has great potential in the field of actuators due to its high photothermal effect and electrical conductivity. The BOPP/PPy actuator with the optical responsiveness and the electrical responsiveness is successfully prepared by a simple and quick operation mode, so that complicated and fussy operation steps, long preparation time and high loss of equipment and experimental consumables are avoided.
In order to solve the technical problem, the invention provides a preparation method of a polypyrrole-BOPP actuator, which comprises the following steps:
the method comprises the following steps: preparing crosslinked PDMS for later use;
step two: preparing pyrrole hydrochloric acid solution and ferric chloride hydrochloric acid solution with the molar concentrations of 1 mol/L for later use;
step three: preparation of PDMS/PPy substrates: transferring the prepared pyrrole hydrochloric acid solution into a culture dish containing crosslinked PDMS, putting the culture dish into a refrigerator with the temperature of 2-5 ℃, then adding the prepared ferric chloride hydrochloric acid solution, mixing uniformly, and reacting for 5 hours; after the reaction is finished, taking out the culture dish from the refrigerator, pouring out the upper liquid, washing the culture dish with distilled water, and drying the culture dish to obtain the PDMS/PPy substrate;
step four: adhering a BOPP film (biaxially oriented polypropylene film) coated with acrylate pressure-sensitive adhesive on the PDMS/PPy substrate, wherein the thickness of the BOPP is 50 mu m, and preparing a PDMS/PPy/BOPP three-layer composite system;
step five: the BOPP/PPy bilayer system was peeled off the PDMS substrate, resulting in a BOPP/PPy bilayer actuator with a continuous PPy film.
Further, in the preparation method of the present invention, the step of preparing the crosslinked PDMS is as follows:
mixing a PDMS (polydimethylsiloxane) monomer and a cross-linking agent according to the mass ratio of 10:1, pouring the mixture into a centrifugal tube, and stirring the mixture for 15 minutes by using a glass rod to form a uniform mixture; vacuumizing the mixture for 1h, pouring the mixture into a standard square culture dish, and uniformly distributing the mixture in the culture dish; then, vacuum degassing treatment was performed for 30min, and then the resulting product was placed in an oven and cured by heating at 70 ℃ for 4h to obtain crosslinked PDMS.
The BOPP/PPy double-layer actuator prepared by the preparation method of the polypyrrole-BOPP actuator is disclosed by the invention, wherein the thickness of PPy is 2 μm.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a BOPP/PPy double-layer actuator capable of realizing a complex bionic function, which is prepared in a short time, and the preparation process comprises the steps of firstly depositing a polypyrrole (PPy) film with a certain thickness on an elastic substrate PDMS, washing and drying the obtained polypyrrole film with water, and obtaining a PPy film with a patterned surface; and then, a BOPP film containing acrylate pressure-sensitive adhesive is used for being stuck on the surface of the PDMS/PPy to obtain a three-layer composite system PDMS/PPy/BOPP, wherein the thickness of the BOPP is about 50 mu m. Finally, PPy was peeled off from PDMS, resulting in a BOPP/PPy actuator. The preparation method disclosed by the invention has the characteristics of simplicity, rapidness, good repeatability and the like, avoids the defects of complex preparation process, expensive equipment, low efficiency and the like, and has potential application prospects in the fields of intelligent bionics, artificial muscles and the like.
Drawings
FIG. 1 is an optical photograph of the BOPP/PPy actuator of the present invention before it is illuminated;
FIG. 2 is an optical photograph showing the optical response of BOPP/PPy of the present invention under a laser of 450 nm;
FIG. 3 is an optical photograph of an object of the present invention BOPP/PPy laser lifted a weight fifteen times heavier than itself at 450 nm;
Detailed Description
The invention will be further described with reference to the following figures and specific examples, which are not intended to limit the invention in any way.
The PPy has better photo-thermal effect and electrical conductivity, and the invention applies the PPy to show better actuating effect in the field of actuators. The BOPP/PPy double-layer actuator with the optical responsiveness and the electric responsiveness is successfully prepared by a simple and quick operation mode, not only can common illumination bending be realized, but also an object which is fifteen times heavier than a BOPP/PPy double-layer system can be lifted. The method avoids complicated operation steps, long preparation time and high equipment and experimental consumable loss.
Example 1:
a method of making a polypyrrole-BOPP based actuator comprising the steps of:
step one, preparing crosslinked PDMS: mixing PDMS monomers and a cross-linking agent according to a mass ratio of 10:1, pouring the mixture into a centrifugal tube, and stirring the mixture for 15 minutes by using a glass rod to form a uniform mixture; vacuumizing the mixture for 1h, pouring the mixture into a standard square culture dish, and uniformly distributing the mixture in the culture dish; vacuum degassing the mixture of the prepolymer and the cross-linking agent poured into the culture dish for 30min, then placing the mixture into an oven, and heating and curing the mixture for 4h at 70 ℃;
step two: dissolving 0.2013g of pyrrole monomer in 30ml of hydrochloric acid to prepare a 1 mol/L pyrrole hydrochloric acid solution; 0.9732g of ferric chloride is dissolved in 30ml of hydrochloric acid, and the mixture is mixed by ultrasound to prepare 1 mol/L ferric chloride hydrochloric acid solution;
step three: firstly, transferring the prepared pyrrole hydrochloric acid solution into a PDMS culture dish, putting the PDMS culture dish into a refrigerator (the temperature is 2-5 ℃), then adding the prepared ferric chloride hydrochloric acid solution, uniformly mixing the solutions, and reacting for 5 hours; after the reaction is finished, taking out the culture dish from the refrigerator, pouring out the upper layer liquid, washing the culture dish clean by using distilled water, and then drying the culture dish by using an ear washing ball to obtain the PDMS/PPy substrate;
step four: and adhering a BOPP film coated with acrylate pressure-sensitive adhesive on the PDMS/PPy substrate, wherein the thickness of the BOPP is about 50 mu m, and thus obtaining the PDMS/PPy/BOPP three-layer composite system.
Step five: a 1.5cm x 0.8cm BOPP/PPy bilayer system was cut and carefully peeled from the PDMS substrate to yield a BOPP/PPy actuator with a continuous PPy film, the resulting BOPP/PPy bilayer actuator being shown in fig. 1.
Example 2:
the BOPP/PPy bilayer actuator prepared in example 1 exhibited a planar shape in the absence of light. When the surface of the actuator is irradiated by 450nm laser, the BOPP/PPy is obviously bent as shown in figure 2, the bionic weight lifting device is designed by the BOPP/PPy double-layer actuator prepared by the invention, and the bionic weight lifting device can lift an object which is fifteen times heavier than the bionic weight lifting device under the irradiation of 450nm laser, as shown in figure 3.
In summary, the invention is to deposit a polypyrrole film on a PDMS substrate, and peel the polypyrrole film from the PDMS substrate by using the interaction between PPy and the pressure-sensitive adhesive on the BOPP, so as to obtain a BOPP/PPy actuator film with a PPy deposition thickness of 2 μm. The method overcomes the defects of complex preparation process and poor repeatability in the prior art. The BOPP/PPy double-layer actuator prepared by the invention has good binding force between the BOPP and the PPy, has no obvious delamination after multiple cycles and has good braking effect.
While the present invention has been described with reference to the drawings, the foregoing embodiments are illustrative rather than limiting, and that those skilled in the art, having the benefit of the teachings herein, may make numerous modifications thereto without departing from the spirit or scope of the invention as set forth in the appended claims.
Claims (3)
1. A preparation method of a polypyrrole-BOPP actuator is characterized by comprising the following steps:
the method comprises the following steps: preparing crosslinked PDMS for later use;
step two: preparing pyrrole hydrochloric acid solution and ferric chloride hydrochloric acid solution with the molar concentrations of 1 mol/L for later use;
step three: preparation of PDMS/PPy substrates: transferring the prepared pyrrole hydrochloric acid solution into a culture dish containing crosslinked PDMS, putting the culture dish into a refrigerator with the temperature of 2-5 ℃, then adding the prepared ferric chloride hydrochloric acid solution, mixing uniformly, and reacting for 5 hours; after the reaction is finished, taking out the culture dish from the refrigerator, pouring out the upper liquid, washing the culture dish with distilled water, and drying the culture dish to obtain the PDMS/PPy substrate;
step four: adhering a BOPP film coated with acrylate pressure-sensitive adhesive on the PDMS/PPy substrate, wherein the thickness of the BOPP is 50 mu m, and preparing a PDMS/PPy/BOPP three-layer composite system;
step five: the BOPP/PPy bilayer system was peeled off the PDMS substrate, resulting in a BOPP/PPy bilayer actuator with a continuous PPy film.
2. The method of preparing a polypyrrole-BOPP based actuator according to claim 1, wherein the step of preparing the crosslinked PDMS is as follows:
mixing a PDMS monomer and a cross-linking agent according to the mass ratio of 10:1, pouring the mixture into a centrifugal tube, and stirring the mixture for 15 minutes by using a glass rod to form a uniform mixture; vacuumizing the mixture for 1h, pouring the mixture into a standard square culture dish, and uniformly distributing the mixture in the culture dish; then, vacuum degassing treatment was performed for 30min, and then the resulting product was placed in an oven and cured by heating at 70 ℃ for 4h to obtain crosslinked PDMS.
3. BOPP/PPy bilayer actuator, produced according to the preparation process of a polypyrrole-BOPP based actuator according to claim 1 or 2, PPy having a thickness of 2 μm.
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| CN201910940919.1A CN110696459A (en) | 2019-09-30 | 2019-09-30 | Preparation method of polypyrrole-BOPP (biaxially-oriented Polypropylene) -based actuator |
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Citations (5)
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| CN1816887A (en) * | 2003-06-30 | 2006-08-09 | 皇家飞利浦电子股份有限公司 | Proportional input interface |
| CN101874274A (en) * | 2007-11-27 | 2010-10-27 | 玛丽亚·斯特罗姆 | Composite materials including an intrinsically conducting polymer, and methods and devices |
| CN106916325A (en) * | 2017-03-22 | 2017-07-04 | 天津大学 | A kind of method for preparing free patterned surface film of poly pyrrole |
| CN107297929A (en) * | 2017-06-16 | 2017-10-27 | 福建师范大学 | Activate material and compound bending type actuator and preparation method thereof |
| CN107778514A (en) * | 2017-10-16 | 2018-03-09 | 西南科技大学 | A kind of graphene double-layer electric actuation membrane and preparation method thereof |
-
2019
- 2019-09-30 CN CN201910940919.1A patent/CN110696459A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1816887A (en) * | 2003-06-30 | 2006-08-09 | 皇家飞利浦电子股份有限公司 | Proportional input interface |
| CN101874274A (en) * | 2007-11-27 | 2010-10-27 | 玛丽亚·斯特罗姆 | Composite materials including an intrinsically conducting polymer, and methods and devices |
| CN106916325A (en) * | 2017-03-22 | 2017-07-04 | 天津大学 | A kind of method for preparing free patterned surface film of poly pyrrole |
| CN107297929A (en) * | 2017-06-16 | 2017-10-27 | 福建师范大学 | Activate material and compound bending type actuator and preparation method thereof |
| CN107778514A (en) * | 2017-10-16 | 2018-03-09 | 西南科技大学 | A kind of graphene double-layer electric actuation membrane and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| T.F.OTERO: "Electrochemomechanical properties from a bilayer: polypyrrole/non-conducting and flexible material-artificial muscle", 《J.ELECTROANAL.CHEM.》 * |
| 韩高义，石高全: "以聚吡咯构建三层夹心结构的驱动器", 《2004年全国高分子材料科学与工程研讨会》 * |
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