CN102745323A - Cycle pathway micro-vessel network structure and application thereof - Google Patents
Cycle pathway micro-vessel network structure and application thereof Download PDFInfo
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- CN102745323A CN102745323A CN2012101910876A CN201210191087A CN102745323A CN 102745323 A CN102745323 A CN 102745323A CN 2012101910876 A CN2012101910876 A CN 2012101910876A CN 201210191087 A CN201210191087 A CN 201210191087A CN 102745323 A CN102745323 A CN 102745323A
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Abstract
The invention relates to a cycle pathway microvascular network structure and an application thereof. The network structure comprises cycle pathway micro-vessels, the cycle pathway micro-vessels have a multi-array penetrating type structure or a three-dimensional penetrating type structure, the structure is in a thermotropic shape memory polymer matrix, the communication ports at the ends of the micro-vessel networks are preset outside the shape memory polymer matrix, and a work fluid flows through the whole cycle networks through the communication ports at the ends of the micro-vessel networks. The cycle pathway micro-vessel network structure is applied to the thermotropic shape memory polymer. The network structure has the advantages of high heating efficiency, uniform heating and simple technology, and solves a problem that the rigidity of the shape memory polymer rapidly reduces at a glass transition temperature. The network structure enables the shape memory polymer to be effectively heated and simultaneously guarantee that the shape memory polymer has a certain rigidity and a certain strength to oppose a certain load, so the load bearing capability of the shape memory polymer is substantially improved, and application fields of the shape memory polymer are extended.
Description
Technical field
The present invention relates to a kind of circulation path microvascular network architecture and application thereof.
Background technology
At realm of nature, many biological utilisation microtubule network architectures have realized the function that lets the mankind acclaim as the acme of perfection." the lotus leaf self-cleaning effect " that for example German famous botany professor W.Bartblott finds in the nineties.The surface of examining under a microscope lotus leaf has been covered with the ultra micro pipeline, air abrim in these pipelines, and the surface of lotus leaf has formed the nano level air layer of one deck like this, can landing get off so always can see the water droplet that is dropped on the lotus leaf.The achievement of research lotus leaf structure has expedited the emergence of the birth of a collection of new industry.Have again and spread all over pipeline complicated in the Plants and Animals body." conduit " in the plant, the blood vessel in the animal body are being carried teleorganic water and nutrient constantly.These provide inspiration all for the microvascular application in circulation path.In the last few years, faced the requirement of aerospace aspect, high performance material fast developments such as composite material, intellectual material.Wherein shape-memory polymer can initiatively produce the big answer distortion up to 100% under the certain condition effect, therefore demonstrates huge application potential in fields such as medical science, Aeronautics and Astronautics, Based Intelligent Control.Shape-memory polymer can be divided into types such as thermic, electricity cause, photic and solution driving by the difference of exiting form.Wherein, the thermotropic shape-memory polymer have exiting form simple, can reply advantages such as the big and speed of response of deformation quantity is fast, study the most extensive.The heat of thermal shape memory poly-mer-mechanically deform process: glass transition temperature (Glass Transition Temperature, Tg) more than, shape-memory polymer (rise primary state) is applied external force makes its distortion; Keeping making it be cooled to the following uniform temperature of Tg under the prerequisite of external constraint, remove external constraint, the institute's deformation energy of composing quilt is kept (deformation states) for a long time; When being heated to glass transition temperature once more when above, recovery of shape (answer attitude) can take place in shape-memory polymer automatically.So far, accomplish the distortion circulation of shape memory function.2003 ARPA (DARPA) started " variable geometry aircraft structure (MAS) " plan, this in the works variable geometry aircraft to realize that wing area changes more than 50%, wing setting will change more than 30 degree.More there are some researchists to be illustrated in variable geometry aircraft top wing area and should change 100%.Variable geometry aircraft can change the aerodynamic arrangement of self according to the flight environment of vehicle in the external world, reaches the optimum purpose of airworthiness.In the variable geometry aircraft design, the design of covering is in occupation of consequence.Wing will be realized the variation significantly of its chord length, exhibition length, sweepback angle and area etc.; Covering must can bear enough big distortion; And in deformation process, will have enough rigidity to keep the aerodynamic configuration of wing, the modulus of shearing of skin material is as much as possible little of to reduce the requirement of actuator to energy in deformation process simultaneously.Compare with the rubber-like covering, utilize the covering of thermotropic shape-memory polymer to embody remarkable advantages.Yet the available heat exiting form of thermotropic shape-memory polymer is a problem of puzzlement educational circles and engineering circle always.
Summary of the invention
The purpose of this invention is to provide a kind of circulation path microvascular and be applied on the thermotropic shape-memory polymer; Existing to solve to the inefficient problem of thermotropic shape-memory polymer exiting form; And can obviously strengthen shape-memory polymer rigidity, and then make the thermotropic shape-memory polymer can be applied to fields such as variable geometry aircraft covering more efficiently through circulation path microvascular network.
The present invention solves the problems of the technologies described above the technical scheme of taking to be:
Circulation path microvascular network architecture; Comprise the circulation path microvascular; The circulation path microvascular becomes penetration type structure or the three-dimensional penetration type structures of arranging more; This structure is positioned at that type shape-memory polymer matrix is inner, and the connected entrance of microvascular network end defaults in outside the shape-memory polymer matrix, and working fluid is through the connected entrance of the microvascular network end whole circulation network of flowing through.
The present invention also has following characteristic:
1, the described penetration type structure of arranging is three arrangement penetration type structures more, or adopts other many parallelogram arrangement architectures, arranges or the like like four arrangements, five.
2, described other polygonized structures of circulation path micro-vascular structures employing perhaps adopt several kinds of polygonized structures simultaneously.
3, described circulation path microvascular is arranged the penetration type structure more and can different angles be laid many parallelogram sturcutres.
4, in the three-dimensional penetration type structure of described circulation path microvascular, vertically arrange and adopt a plurality of independent parallel quadrilateral structures or other polygonized structures, laterally arrange and adopt the staggered braiding of reversion structure or other structures and longitudinal construction.
5, described heat cycles fluid is the fluid of modulus of elasticity between 0.1-10G.
6, described heat cycles fluid is a water.
7, this circulation path microvascular network architecture is applied to the thermotropic shape-memory polymer.
8, described shape-memory polymer matrix adopting material is that polystyrene shape-memory polymer, epoxy resin shape-memory polymer, cyanate are a kind of in shape-memory polymer, shape memory polyurethane, shape memory polyester, shape memory SB, shape memory using trans-polyisoprene or the shape memory polynorbornene.
9; Described epoxy resin is bisphenol A type epoxy resin; Bisphenol f type epoxy resin; Bisphenol-s epoxy resin; Bisphenol-A epoxy resin; The hydroxyl bisphenol A type epoxy resin; Novolac epoxy; O-cresol formaldehyde epoxy resin; Resorcinol formaldehyde epoxy resin; Tetraphenolethane epoxy resin; AG-80 epoxy resin; Tricyanic epoxy resin; TDE-85 epoxy resin; Cycloaliphatic epoxy resin; Polybutadiene epoxy resin; Brominated epoxy resin; Acrylic acid epoxy resin; Fluorinated epoxy resin; Organic boron epoxy resin; Phosphorous epoxy resin; Elasticity epoxy resin; Elastic body toughening epoxy resin; A kind of in the mixed type epoxy resin.
The invention has the beneficial effects as follows:
The invention solves the existing inferior position that thermotropic shape-memory polymer exiting form efficient is low, heating is inhomogeneous, the Project Realization difficulty is big, solved the shape-memory polymer problem that rigidity sharply reduces under glass transition temperature.The present invention is effectively guaranteeing that shape-memory polymer has the rigidity and the intensity of opposing one constant load in the heating shape-memory polymer; Improved the ability of the bearing load of shape-memory polymer significantly; Expanded the application of shape-memory polymer; Can make shape-memory polymer be applied to the various deformation aircraft widely, and in the civilian and military industrial system such as shipping industry, auto-industry, robot field.Manufacture craft of the present invention is simple and easy reliable, and materials used is common and cost is low, and the excitation shape memory polymer system is efficient, has broad application prospects.
Description of drawings
Fig. 1 is that circulation path microvascular three is arranged the penetration type structure;
Fig. 2 is the reversion unit of the three-dimensional penetration type structure of circulation path microvascular;
Fig. 3 circulation path microvascular three is arranged the penetration type structure and is layed in thermotropic shape-memory polymer basal body structure;
The three-dimensional penetration type structure of Fig. 4 circulation path microvascular.
The specific embodiment
The specific embodiment one: arrange the penetration type structures like Fig. 1, the described circulation path of this embodiment shown in 3 microvascular three, by three independently the Network Weaving of circulation path microvascular form.Two ordered network adopt the multiple-unit parallelogram sturcutre, two row network perpendicular array, and wherein a row multiple-unit parallelogram sturcutre is longitudinally arranged, and another row are along laterally arranging.The staggered braiding of the 3rd parallel four limit structures of row and preceding two array structures.Three arrangement circulation path microvasculars are layed in the thermotropic shape-memory polymer matrix.Working fluid is through the connected entrance of the microvascular network end whole circulation network of flowing through.
The specific embodiment two: like Fig. 2, the three-dimensional penetration type structure of the described circulation path of this embodiment shown in 4 microvascular, network architecture weaves by reversion, vertically arrange reversion network and the staggered braiding of the reversion network of laterally arranging.Microvascular three-dimensional penetration type structure in circulation path is layed in the thermotropic shape-memory polymer matrix.Working fluid is through the connected entrance of the microvascular network end whole circulation network of flowing through.
The specific embodiment three: the described circulation path of this embodiment microvascular three is arranged the penetration type structure can adopt other many parallelogram arrangement architectures, arranges or the like like four arrangements, five.Other are identical with the specific embodiment one.
The specific embodiment four: the described circulation path of this embodiment microvascular three arranges in the penetration type architecture independently that microvascular network in circulation path can adopt other polygonized structures; Perhaps adopt several kinds of polygonized structures simultaneously, other are identical with the specific embodiment one.
The specific embodiment five: the described circulation path of this embodiment microvascular penetration type structure can different angles be laid many parallelogram sturcutres, and other are identical with the specific embodiment one, two, three, four.
The specific embodiment six: in the three-dimensional penetration type structure of the described circulation path of this embodiment microvascular; Vertically arrange and to adopt a plurality of independent parallel quadrilateral structures or other polygonized structures, laterally arrange and adopt the staggered braiding of reversion structure or other structures and longitudinal construction.Other are identical with the specific embodiment two.
The specific embodiment seven: the described heat cycles fluid of this embodiment is the liquid of modulus of elasticity between 0.1-10G.So be provided with, more help strengthening MATRIX STIFFNESS.Other composition and annexation are identical with the specific embodiment one, two.
The specific embodiment eight: the heat cycles fluid of this embodiment is a water.So be provided with, cost is lower.Other composition and annexation and specific embodiment six phase are together.
The specific embodiment nine: the said shape memory polymer material of this embodiment is that polystyrene shape-memory polymer, epoxy resin shape-memory polymer, cyanate are a kind of in shape-memory polymer, shape memory polyurethane, shape memory polyester, shape memory SB, shape memory using trans-polyisoprene or the shape memory polynorbornene.Other is identical with the specific embodiment one, two.
The specific embodiment ten: the said epoxy resin of this embodiment is bisphenol A type epoxy resin; Bisphenol f type epoxy resin; Bisphenol-s epoxy resin; Bisphenol-A epoxy resin; The hydroxyl bisphenol A type epoxy resin; Novolac epoxy; O-cresol formaldehyde epoxy resin; Resorcinol formaldehyde epoxy resin; Tetraphenolethane epoxy resin; AG-80 epoxy resin; Tricyanic epoxy resin; TDE-85 epoxy resin; Cycloaliphatic epoxy resin; Polybutadiene epoxy resin; Brominated epoxy resin; Acrylic acid epoxy resin; Fluorinated epoxy resin; Organic boron epoxy resin; Phosphorous epoxy resin; Elasticity epoxy resin; Elastic body toughening epoxy resin; A kind of in the mixed type epoxy resin.Other is identical with the specific embodiment one, two.
Below only be concrete exemplary applications of the present invention, protection scope of the present invention do not constituted any limitation that all employing equivalents or equivalence are replaced and the technical scheme of formation, all drop within the rights protection scope of the present invention.
Principle of work of the present invention:
Circulation path microvascular network architecture like Fig. 1,2, the definite shape of braiding shown in 3 is laid on it in thermotropic shape-memory polymer matrix, and the connected entrance of microvascular network end defaults in outside the thermotropic shape-memory polymer matrix.Working fluid is through the connected entrance of external hydraulic device and control setup injection microvascular network end, and is inner through thermotropic shape-memory polymer matrix via the microvascular network architecture.Working fluid has guaranteed when effectively heating shape-memory polymer that shape-memory polymer has the rigidity and the intensity of opposing one constant load; Can improve the ability of the bearing load of shape-memory polymer significantly, and then expand the application of shape-memory polymer.
Claims (10)
1. circulation path microvascular network architecture; Comprise the circulation path microvascular; It is characterized in that: the circulation path microvascular becomes penetration type structure or the three-dimensional penetration type structures of arranging more; This structure is positioned at that thermotropic shape-memory polymer matrix is inner, and the connected entrance of microvascular network end defaults in outside the thermotropic shape-memory polymer matrix, and working fluid is through the connected entrance of the microvascular network end whole circulation network of flowing through.
2. circulation path according to claim 1 microvascular network architecture is characterized in that: the described penetration type structures of arranging are three arrangement penetration type structures more, or adopt other many parallelogram arrangement architectures, arrange or the like like four arrangements, five.
3. circulation path according to claim 1 microvascular network architecture is characterized in that: described circulation path micro-vascular structures adopts other polygonized structures, perhaps adopts several kinds of polygonized structures simultaneously.
4. circulation path according to claim 1 microvascular network architecture is characterized in that: described circulation path microvascular is arranged the penetration type structure more can different angles lay many parallelogram sturcutres.
5. circulation path according to claim 2 microvascular network architecture; It is characterized in that: in the three-dimensional penetration type structure of described circulation path microvascular; Vertically arrange and adopt a plurality of independent parallel quadrilateral structures or other polygonized structures, laterally arrange and adopt the staggered braiding of reversion structure or other structures and longitudinal construction.
6. circulation path according to claim 1 microvascular network architecture is characterized in that: described heat cycles fluid is the fluid of modulus of elasticity between 0.1-10G.
7. according to claim 1 or 6 described circulation path microvascular network architectures, it is characterized in that: described heat cycles fluid is a water.
8. according to the application of the arbitrary described circulation path of claim 1-7 microvascular network architecture, it is characterized in that: this circulation path microvascular network architecture is applied to heat the thermotropic shape-memory polymer.
9. according to claim 1 or 8 described circulation path microvascular network architectures, it is characterized in that: it is that polystyrene shape-memory polymer, epoxy resin shape-memory polymer, cyanate are a kind of in shape-memory polymer, shape memory polyurethane, shape memory polyester, shape memory SB, shape memory using trans-polyisoprene or the shape memory polynorbornene that described thermal shape memory polymeric matrix adopts material.
10. circulation path according to claim 9 microvascular network architecture is characterized in that: described epoxy resin is a kind of in bisphenol A type epoxy resin, bisphenol f type epoxy resin, bisphenol-s epoxy resin, bisphenol-A epoxy resin, hydroxyl bisphenol A type epoxy resin, novolac epoxy, o-cresol formaldehyde epoxy resin, resorcinol formaldehyde epoxy resin, tetraphenolethane epoxy resin, AG-80 epoxy resin, tricyanic epoxy resin, TDE-85 epoxy resin, cycloaliphatic epoxy resin, polybutadiene epoxy resin, brominated epoxy resin, acrylic acid epoxy resin, fluorinated epoxy resin, organic boron epoxy resin, phosphorous epoxy resin, elasticity epoxy resin, elastic body toughening epoxy resin, the mixed type epoxy resin.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103113717A (en) * | 2013-03-01 | 2013-05-22 | 华东交通大学 | Preparation method of ceramic pipe network carrier in damage self-restoration of resin-base composite material |
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| US20060202508A1 (en) * | 2003-12-04 | 2006-09-14 | General Motors Corporation | Airflow control devices based on active materials |
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| CN101513932A (en) * | 2009-03-30 | 2009-08-26 | 哈尔滨工业大学 | Deformable aerofoil cover with changeable rigidity |
| CN101879941A (en) * | 2010-07-27 | 2010-11-10 | 哈尔滨工业大学 | Variable-rate wing covering |
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| US5674242A (en) * | 1995-06-06 | 1997-10-07 | Quanam Medical Corporation | Endoprosthetic device with therapeutic compound |
| US20060202508A1 (en) * | 2003-12-04 | 2006-09-14 | General Motors Corporation | Airflow control devices based on active materials |
| CN101381433A (en) * | 2007-08-13 | 2009-03-11 | 中国科学院成都有机化学有限公司 | Shape memory polymer with soft/hard network structure and preparation method thereof |
| CN101513932A (en) * | 2009-03-30 | 2009-08-26 | 哈尔滨工业大学 | Deformable aerofoil cover with changeable rigidity |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103113717A (en) * | 2013-03-01 | 2013-05-22 | 华东交通大学 | Preparation method of ceramic pipe network carrier in damage self-restoration of resin-base composite material |
| CN103113717B (en) * | 2013-03-01 | 2014-12-10 | 华东交通大学 | Preparation method of ceramic pipe network carrier in damage self-restoration of resin-base composite material |
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| CN102745323B (en) | 2015-03-04 |
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