CN109203436A - The design method of high polymer autofolding is realized in a kind of macro-scale - Google Patents
The design method of high polymer autofolding is realized in a kind of macro-scale Download PDFInfo
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- CN109203436A CN109203436A CN201810841088.8A CN201810841088A CN109203436A CN 109203436 A CN109203436 A CN 109203436A CN 201810841088 A CN201810841088 A CN 201810841088A CN 109203436 A CN109203436 A CN 109203436A
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- rubber
- high polymer
- design method
- autofolding
- polymer
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/04—Bending or folding of plates or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/12—Bending or folding helically, e.g. for making springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/14—Twisting
Abstract
The present invention relates to the design methods that high polymer autofolding is realized in a kind of macro-scale, the high polymer of the glassy state with shape memory characteristic are carried out predeformation, and control the size of length initial denaturation, then unloaded；The geometric dimension of control high polymer and rubber as needed；Deformed high polymer and rubber are pasted again；Environment temperature is increased, composite plane structure is transformed into 3D shape.The design method of high polymer autofolding of the present invention is realized on a macroscopic scale, drawingdimension is promoted by micron order to Centimeter Level, a kind of this environmental stimuli factor of temperature is only utilized, Shape Memory Polymer after making prestrain generates shape and restores, and the limitation of the rubber material bonded by its surface, realizes the autofolding effect of high polymer planar bilayer material, experimental facilities is relatively easy, easily-controlled experimental conditions, experimental implementation is simple and easy, so that design method relative ease.
Description
Technical field
The invention belongs to technical field of polymer materials, and in particular to high polymer autofolding is realized in a kind of macro-scale
Design method.
Background technique
The mechanical means for being changed into three-dimensional structure from two-dimension plane structure has 3 D-printing, by hand folding etc., in addition to this,
The autofolding of high polymer is also a kind of effective ways for being changed into three-dimensional structure from two-dimensional surface, and with traditional mechanical means
It compares, this method is more cheap, quickly and easily realizes.
By the folding of high polymer, the three-dimensional structure object of arbitrarily complicated shape can be obtained, such as the machine of various complexity,
Even robot, and the shape of object can change with the variation of environment, therefore can be in nanometer, microcosmic and macroscopical
It works on scale, can be applied to microcosmic electronics, medicine, chip, the fields such as military and space.
As the three-dimensional structure of machine becomes more sophisticated, the method for selecting the autofolding of high polymer can effectively enhance work
Make efficiency, largely reduces time and cost of labor that manufacture complex geometric shapes are paid.Some special
Under environment, the possibility of mankind's exposure in harsh environment can also be reduced, such as: satellite realizes that self is rolled over after injection
It is folded, military installations etc. are assembled in the case where no engineer.
Shape Memory Polymer represents one kind to environmental stimuli --- and heat, light, PH, solution and magnetic field are made a response concurrently
What raw shape changed enlivens material, and therefore, the main body of the autofolding of high polymer is Shape Memory Polymer.
Present existing autofolding technology can substantially be divided into, using heating (temperature), magnetic field, electric field and solution stimulate come
It realizes.Currently, the autofolding of high polymer is designed on scale in the micron-scale mostly, and need to utilize electric field, magnetic field, part
Illumination heating and a variety of autofoldings stimulated to realize high polymer of solution, experimental facilities is complicated, and experiment condition is not easy to control.Example
Such as, the high polymer for needing heterogeneity realizes its autofolding to the differential responses of stimulant by it；The part on high polymer
Ink powder is coated, then so that its local heating's difference is realized autofolding etc. by illumination or electro photoluminescence.
Summary of the invention
To solve the above problems, the present invention provides the design method for realizing high polymer autofolding in a kind of macro-scale,
Using thermal stimulus, the Shape Memory Polymer after making prestrain generates shape and restores, and the rubber material bonded by its surface
Limitation, and then realize the autofolding effect of high polymer planar bilayer material.To overcome experimental facilities complexity in the prior art,
The problems such as experiment condition is difficult to control.
To achieve the above object, technical scheme is as follows:
The design method of high polymer autofolding is realized in a kind of macro-scale, comprising the following steps:
(1) high polymer of glassy state is subjected to predeformation, and controls the size of length initial denaturation, then unloaded；
(2) geometric dimension of high polymer and rubber is controlled as needed；
(3) deformed high polymer and rubber are pasted again；
(4) environment temperature is increased, composite plane structure is transformed into 3D shape；
Wherein, high polymer is the Amorphous Polymers with shape memory characteristic.
Further, high polymer is acrylate based polyalcohol, styrene-based polymer, epoxy-based polymerization object, vinyl
One of polymer, polyester polymer.
Further, acrylate based polyalcohol includes polymethyl methacrylate, polyacrylic acid etc., styryl polymerization
Object includes polystyrene, styrene-butadiene block copolymer etc., and epoxy-based polymerization object includes polypropylene oxide, polycyclic oxygen second
Alkane etc., polyvinyl include polyethylene, -6 graft copolymer of polyethylene/nylon etc., and polyester polymer includes poly- to benzene
Naphthalate -1,4 cyclohexane dimethanol ester, polyethylene terephthalate etc..
Further, rubber is heat resistant rubber.
Further, rubber is butadiene-styrene rubber, nitrile rubber, neoprene, lactoprene, silicon rubber, fluorine rubber
One of glue, polysulfide rubber, polyurethane rubber, chlorohydrin rubber, acrylic rubber.
Further, the length predeformation size of high polymer is 50~300% in step (1).
Further, the length of high polymer is at least 0.5cm in step (2), and width is at least 0.5cm.
Further, the length of rubber is at least 0.5cm in step (2), and width is at least 0.5cm.
Further, high polymer is superimposed upon on the surface of rubber in step (3).
Further, high polymer and rubber stickup time are at least 0.5 hour in step (3).
Further, environment temperature is increased to 60~100 DEG C in step (4).
In the technical program, the design method of high polymer autofolding is realized on a macroscopic scale, merely with temperature one
Kind environmental stimuli factor, the Shape Memory Polymer after making prestrain generates shape and restores, and the rubber material bonded by its surface
The limitation of material realizes the autofolding effect of high polymer planar bilayer material, finally obtains complicated 3D shape.
Autofolding design method compared to the prior art --- it is designed, and needs on scale in the micron-scale mostly
Using electric field, magnetic field, local light realizes the autofolding of high polymer according to heating and solution stimulation.Design in the technical program
Method is promoted drawingdimension to Centimeter Level by micron order, a kind of this environmental stimuli factor of temperature is only utilized, so that experiment is set
Standby relatively easy (heating water bath or air heating), easily-controlled experimental conditions, experimental implementation is simple and easy, so that setting
Meter method relative ease.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is high polymer and rubber bonding method schematic diagram in the embodiment of the present invention 1.
Fig. 2 is sample structure schematic diagram after high polymer autofolding in the embodiment of the present invention 1.
Fig. 3 is high polymer and rubber bonding method schematic diagram in the embodiment of the present invention 2.
Fig. 4 is sample structure schematic diagram after high polymer autofolding in the embodiment of the present invention 2.
Fig. 5 is high polymer and rubber bonding method schematic diagram in the embodiment of the present invention 3.
Fig. 6 is sample structure schematic diagram after high polymer autofolding in the embodiment of the present invention 3.
In attached drawing:
1, high polymer 2, rubber
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Embodiment 1:
The design method of high polymer autofolding is realized in a kind of macro-scale, steps are as follows for design method:
It (1) is 5cm by length, width is that high polymer (1) sheet material of the glassy state of 1cm is draw textured with stretching-machine,
Make its final lengths homogeneous deformation 180%, length 9cm, width 0.7cm, in the present embodiment, high polymer (1) is poly- pair
Ethylene terephthalate -1,4 cyclohexane dimethanol ester；
(2) high polymer (1) after step (1) predeformation is cut to the segment that length is 1cm, then rubber (2) is cut
It is 6cm for length, width is the strip of 1cm, and in the present embodiment, rubber (2) is silicon rubber；
(3) using the rubber (2) of rubber surface inorganic agent processing strip, high polymer (1) is superimposed upon the surface of rubber (2)
On, it is in therebetween 45° angle, is pasted the surface that high polymer (1) is contacted with rubber (2) with instant drying adhesive, and is adjacent high poly-
It is also closely pasted between object segment, as shown in Figure 1；
(4) 1h is placed, 5min in 70 DEG C of constant water bath box is put into, obtains final spiral three-dimensional structure sample,
As shown in Figure 2.
In embodiment 1, high polymer can be changed to acrylate based polyalcohol, styrene-based polymer, epoxy-based polymerization
Any one of object, polyvinyl, polyester polymer, as polymethyl methacrylate, polyacrylic acid, polystyrene,
Styrene-butadiene block copolymer, polypropylene oxide, polyethylene oxide, polyethylene, -6 graft copolymer of polyethylene/nylon,
Polyethylene terephthalate etc..
In embodiment 1, silicon rubber can be changed to any one of heat resistant rubber, such as butadiene-styrene rubber, nitrile rubber, neoprene
Rubber, lactoprene, silicon rubber, fluorubber, polysulfide rubber, polyurethane rubber, chlorohydrin rubber, acrylic rubber
Deng.
In the present embodiment, the design method of high polymer autofolding is realized on a macroscopic scale, merely with temperature one kind
Environmental stimuli factor, the Shape Memory Polymer after making prestrain generates shape and restores, and the rubber material bonded by its surface
Limitation, realize the autofolding effect of high polymer planar bilayer material, finally obtain spiral helicine 3D shape.
Autofolding design method compared to the prior art --- it is designed, and needs on scale in the micron-scale mostly
Using electric field, magnetic field, local light realizes the autofolding of high polymer according to heating and solution stimulation.Design in the technical program
Method is promoted drawingdimension to Centimeter Level by micron order, a kind of this environmental stimuli factor of temperature is only utilized, so that experiment is set
Standby relatively easy (heating water bath), easily-controlled experimental conditions (heat) in constant water bath box, and experimental implementation is simple and easy, and (height is poly-
Object and rubber place 1h after pasting, and are put into 5min in 70 DEG C of constant water bath box) so that design method relative ease.
Embodiment 2:
The design method of high polymer autofolding is realized in a kind of macro-scale, steps are as follows for design method:
It (1) is 5cm by length, width is that high polymer (1) sheet material of the glassy state of 1cm is draw textured with stretching-machine,
Make its final lengths homogeneous deformation 180%, length 9cm, width 0.7cm, in the present embodiment, high polymer (1) is poly- pair
Ethylene terephthalate -1,4 cyclohexane dimethanol ester；
(2) high polymer (1) after step (1) predeformation is cut to the segment that length is 3cm, then rubber (2) is cut
It is 5cm for length, width is the sheet of 3cm, and in the present embodiment, rubber (2) is silicon rubber；
(3) using the rubber (2) of rubber surface inorganic agent processing strip, high polymer (1) segment is uniformly superimposed upon rubber
(2) on surface, the length of high polymer (1) segment and the width of sheet rubber (2) are parallel (being therebetween in 0 ° of angle), use instant drying adhesive
The surface that high polymer (1) is contacted with rubber (2) is pasted, as shown in Figure 3；
(4) 1h is placed, 5min in 70 DEG C of constant water bath box is put into, obtains the final three-dimensional structure sample at circular tube shaped,
As shown in Figure 4.
In embodiment 1, high polymer can be changed to acrylate based polyalcohol, styrene-based polymer, epoxy-based polymerization
Any one of object, polyvinyl, polyester polymer, as polymethyl methacrylate, polyacrylic acid, polystyrene,
Styrene-butadiene block copolymer, polypropylene oxide, polyethylene oxide, polyethylene, -6 graft copolymer of polyethylene/nylon,
Polyethylene terephthalate etc..
In embodiment 1, silicon rubber can be changed to any one of heat resistant rubber, such as butadiene-styrene rubber, nitrile rubber, neoprene
Rubber, lactoprene, silicon rubber, fluorubber, polysulfide rubber, polyurethane rubber, chlorohydrin rubber, acrylic rubber
Deng.
In the present embodiment, the design method of high polymer autofolding is realized on a macroscopic scale, merely with temperature one kind
Environmental stimuli factor, the Shape Memory Polymer after making prestrain generates shape and restores, and the rubber material bonded by its surface
Limitation, realize the autofolding effect of high polymer planar bilayer material, finally obtain the 3D shape of circular tube shaped.
Autofolding design method compared to the prior art --- it is designed, and needs on scale in the micron-scale mostly
Using electric field, magnetic field, local light realizes the autofolding of high polymer according to heating and solution stimulation.Design in the technical program
Method is promoted drawingdimension to Centimeter Level by micron order, a kind of this environmental stimuli factor of temperature is only utilized, so that experiment is set
Standby relatively easy (heating water bath), easily-controlled experimental conditions (heat) in constant water bath box, and experimental implementation is simple and easy, and (height is poly-
Object and rubber place 1h after pasting, and are put into 5min in 70 DEG C of constant water bath box) so that design method relative ease.
Embodiment 3:
The design method of high polymer autofolding is realized in a kind of macro-scale, steps are as follows for design method:
It (1) is 5cm by length, width is that high polymer (1) sheet material of the glassy state of 1cm is draw textured with stretching-machine,
Make its final lengths homogeneous deformation 180%, length 9cm, width 0.7cm, in the present embodiment, high polymer (1) is poly- pair
Ethylene terephthalate -1,4 cyclohexane dimethanol ester；
(2) high polymer (1) after step (1) predeformation is not dealt with, then it is 9cm, width that rubber (2), which is cut to length,
For the strip of 0.7cm, in the present embodiment, rubber (2) is silicon rubber；
(3) using the rubber (2) of rubber surface inorganic agent processing strip, high polymer (1) is uniformly superimposed upon rubber (2)
It is parallel between the rubber (2) of high polymer (1) and strip (being therebetween in 0 ° of angle) on surface, with instant drying adhesive by high polymer (1) with
The surface of rubber (2) contact is pasted, as shown in Figure 5；
(4) 1h is placed, 5min in 70 DEG C of constant water bath box is put into, obtains the final three-dimensional structure sample at annular shape,
As shown in Figure 6.
In embodiment 1, high polymer can be changed to acrylate based polyalcohol, styrene-based polymer, epoxy-based polymerization
Any one of object, polyvinyl, polyester polymer, as polymethyl methacrylate, polyacrylic acid, polystyrene,
Styrene-butadiene block copolymer, polypropylene oxide, polyethylene oxide, polyethylene, -6 graft copolymer of polyethylene/nylon,
Polyethylene terephthalate etc..
In embodiment 1, silicon rubber can be changed to any one of heat resistant rubber, such as butadiene-styrene rubber, nitrile rubber, neoprene
Rubber, lactoprene, silicon rubber, fluorubber, polysulfide rubber, polyurethane rubber, chlorohydrin rubber, acrylic rubber
Deng.
In the present embodiment, the design method of high polymer autofolding is realized on a macroscopic scale, merely with temperature one kind
Environmental stimuli factor, the Shape Memory Polymer after making prestrain generates shape and restores, and the rubber material bonded by its surface
Limitation, realize the autofolding effect of high polymer planar bilayer material, finally obtain circular 3D shape.
Autofolding design method compared to the prior art --- it is designed, and needs on scale in the micron-scale mostly
Using electric field, magnetic field, local light realizes the autofolding of high polymer according to heating and solution stimulation.Design in the technical program
Method is promoted drawingdimension to Centimeter Level by micron order, a kind of this environmental stimuli factor of temperature is only utilized, so that experiment is set
Standby relatively easy (heating water bath), easily-controlled experimental conditions (heat) in constant water bath box, and experimental implementation is simple and easy, and (height is poly-
Object and rubber place 1h after pasting, and are put into 5min in 70 DEG C of constant water bath box) so that design method relative ease.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. realizing the design method of high polymer autofolding in a kind of macro-scale, which comprises the following steps:
(1) high polymer of glassy state is subjected to predeformation, and controls the size of length initial denaturation, then unloaded；
(2) geometric dimension of high polymer and rubber is controlled as needed；
(3) deformed high polymer and rubber are pasted again；
(4) environment temperature is increased, composite plane structure is transformed into 3D shape；
Wherein, high polymer is the Amorphous Polymers with shape memory characteristic.
2. design method as described in claim 1, it is characterised in that: high polymer is acrylate based polyalcohol, styryl
One of polymer, epoxy-based polymerization object, polyvinyl, polyester polymer.
3. design method as described in claim 1, it is characterised in that: rubber is heat resistant rubber.
4. design method as claimed in claim 3, it is characterised in that: rubber be butadiene-styrene rubber, nitrile rubber, neoprene,
Lactoprene, silicon rubber, fluorubber, polysulfide rubber, polyurethane rubber, chlorohydrin rubber, one in acrylic rubber
Kind.
5. design method as described in claim 1, it is characterised in that: the length predeformation of high polymer is big in the step (1)
Small is 50~300%.
6. design method as described in claim 1, it is characterised in that: the length of high polymer is at least in the step (2)
0.5cm, width are at least 0.5cm.
7. design method as described in claim 1, it is characterised in that: the length of rubber is at least in the step (2)
0.5cm, width are at least 0.5cm.
8. design method as described in claim 1, it is characterised in that: high polymer is superimposed upon the table of rubber in the step (3)
On face.
9. design method as described in claim 1, it is characterised in that: high polymer and rubber paste the time in the step (3)
At least 0.5 hour.
10. design method as described in claim 1, it is characterised in that: in the step (4) environment temperature be increased to 60~
100℃。
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| CN102656306B (en) * | 2009-11-24 | 2015-09-23 | 3M创新有限公司 | Use goods and the method for shape-memory polymer |
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| CN108340562A (en) * | 2017-01-22 | 2018-07-31 | 昀鑫股份有限公司 | The processing procedure of wire rod |
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2018
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|---|---|---|---|---|
| CN101041269A (en) * | 2007-03-16 | 2007-09-26 | 哈尔滨工业大学 | Tube shaped memory complex with expended space and the preparing method thereof |
| CN102656306B (en) * | 2009-11-24 | 2015-09-23 | 3M创新有限公司 | Use goods and the method for shape-memory polymer |
| CN108300349A (en) * | 2016-09-27 | 2018-07-20 | 哈尔滨工业大学 | A kind of multistage replys shape memory structure and preparation method thereof |
| CN108340562A (en) * | 2017-01-22 | 2018-07-31 | 昀鑫股份有限公司 | The processing procedure of wire rod |
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