CN108503941A - A kind of preparation method of the shape memory high molecule material based on thermoplastic sulfurized rubber - Google Patents
A kind of preparation method of the shape memory high molecule material based on thermoplastic sulfurized rubber Download PDFInfo
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- CN108503941A CN108503941A CN201810326840.5A CN201810326840A CN108503941A CN 108503941 A CN108503941 A CN 108503941A CN 201810326840 A CN201810326840 A CN 201810326840A CN 108503941 A CN108503941 A CN 108503941A
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- thermoplastic sulfurized
- rubber
- vinyl acetate
- sulfurized rubber
- ethylene
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 64
- 239000005060 rubber Substances 0.000 title claims abstract description 64
- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 62
- 239000004416 thermosoftening plastic Substances 0.000 title claims abstract description 62
- 239000000463 material Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 39
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 35
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 35
- 238000011084 recovery Methods 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000001338 self-assembly Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 description 7
- 238000004513 sizing Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- HDERJYVLTPVNRI-UHFFFAOYSA-N ethene;ethenyl acetate Chemical compound C=C.CC(=O)OC=C HDERJYVLTPVNRI-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 230000003446 memory effect Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 239000012781 shape memory material Substances 0.000 description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- BFMKFCLXZSUVPI-UHFFFAOYSA-N ethyl but-3-enoate Chemical compound CCOC(=O)CC=C BFMKFCLXZSUVPI-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920000636 poly(norbornene) polymer Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/12—Shape memory
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
A kind of preparation method of the shape memory high molecule material based on thermoplastic sulfurized rubber, includes the following steps：(1) batten of ethylene-vinyl acetate copolymer/nitrile rubber thermoplastic sulfurized rubber is fixed on simple stretch fixture, is preheated later；(2) apply external force, the thermoplastic sulfurized rubber batten after preheating is made to deform upon, immerse in mixture of ice and water shape later, record distance between graduation mark；(3) external force is removed, batten is placed to r for 24 hours naturally at room temperature, records distance between graduation mark；(4) the thermoplastic sulfurized rubber batten in (3) is placed under elevated temp, records distance between graduation mark；(5) the shape fixed rate (SF) and deformation-recovery rate (SR) of thermoplastic sulfurized rubber are calculated.Shape memory high molecule material based on thermoplastic sulfurized rubber prepared by the present invention has the advantages that hardness is low, flexible, molding is easy, can be recycled, switch temperature is low, is expected to be applied on sensor and self assembly equipment.
Description
Technical field
The present invention relates to a kind of preparation methods of the shape memory high molecule material based on thermoplastic sulfurized rubber, specifically
It says, is related to a kind of rubber and plastic ratio by regulating and controlling preparation condition, ethylene-vinyl acetate copolymer/nitrile rubber thermoplastic sulfurized rubber
And in ethylene-vinyl acetate copolymer, nitrile rubber the content of second comonomer and obtain the thermoplastic with shape memory function
The preparation method of property vulcanizate, belongs to the preparation method of functional macromolecule material.
Background technology
Shape-memory material is a kind of novel intelligent material.Shape memory refers to the product for having original shape, through shape
After becoming fixed, the phenomenon that the processing of means is stimulated by external conditions such as heating, and original shape can be made it restore to.Early in
In the 1960s, British scientist A.Charlesby in one experiment accidentally heats the crosslinked polyethylene of stretcher strain,
It is found that the peculiar phenomenon of shape memory for the first time；In recent years, and polynorbornene, trans-polyisoprene, benzene successively are found that
The macromolecules such as ethylene-butadiene copolymer, polyurethane, polyester also have apparent shape memory effect.
Principle is replied according to it, shape memory high molecule material can be divided into thermotropic induction type, electroluminescent induction type, photic induction
Type and chemical co-ordination type etc.；Most study and the mainly thermosensitive type shape memory high molecule material to come into operation at present.Usually
For, it is considered as by two phase compositions with the high molecular materials of shape-memory properties, i.e., remembering the fixation of original-shape
Phase, and changed by environmental stimuli realize temporary shapes remember with reply can anti-phase；Shape memory high molecule material
The stationary phase of material is generally the physical entanglement point of polymer crosslinking structure or strand, and reversible phase is usually high molecular material
In the phase structure of reversible phase transition can occur, switch temperature is usually glass transition temperature or fusing point.
Shape memory high molecule material is widely used in daily life and high-tech area, and associated industry is just
It is flourishing, and is bringing huge economic and social benefits.Although the development time of shape memory high molecule material is shorter, by
Have many advantages, such as that light inexpensive, deformation quantity is big, molding is easy, figuration is easy, shape recovery temperature is conveniently adjusted in it, at present
Application in the fields such as medical treatment, packaging, building, toy, automobile, alarm equipment, and be expected to open up it in wider field latent
Purposes.But current shape memory high molecule material, big multipair material has particular/special requirement, and preparation process is relatively multiple
Miscellaneous, the flexibility of product is difficult to effectively be regulated and controled.Therefore, invention one kind is prepared easy using conventional high molecular material as raw material
And the preparation method of flexible regulatable shape memory high molecule material, have great importance.
Invention content
The present invention has particular/special requirement, and preparation process phase for current shape memory high molecule material material multipair greatly
To complexity, the flexibility of product is difficult to the present situation effectively regulated and controled, provides one kind with ethylene-vinyl acetate copolymer/fourth
Nitrile rubber thermoplastic sulfurized rubber is raw material, rubber and plastic ratio and ethyl vinyl acetate second by regulating and controlling preparation condition, thermoplastic sulfurized rubber
The content of second comonomer in alkene copolymer, nitrile rubber, prepare it is flexible, molding be easy, can be recycled, switch temperature it is low
The preparation method of shape memory high molecule material.
The ethylene-vinyl acetate copolymer that the present invention uses has higher vinyl acetate content, its own fusing point is relatively low,
Toughness is preferable, and the nitrile rubber of use is close with the solubility parameter of ethylene-vinyl acetate copolymer, has good interface phase
Capacitive；The mass ratio for regulating and controlling ethylene-vinyl acetate copolymer and nitrile rubber, can regulate and control the soft of product thermoplastic sulfurized rubber
Property, and the shape fixed rate and shape recovery rate of shape-memory material are had an impact；By regulating and controlling ethene-vinyl acetate copolymerization
The rubber and plastic ratio of object/nitrile rubber thermoplastic sulfurized rubber regulates and controls vinyl acetate content in ethylene-vinyl acetate copolymer, regulation and control fourth
Acrylonitrile content in nitrile rubber；And by the regulation and control of deformation temperature and deformation recovery temperature to shape memory high molecule material,
The system for preparing simplicity, flexible controllable, repeatable molding use and the low shape memory high molecule material of switch temperature can be obtained
Preparation Method.
Therefore, the present invention is to prepare the shape memory height based on thermoplastic sulfurized rubber by a kind of simple and practicable method
Molecular material, not only prepare simple, flexible controllable, molding be easy, can recycle, switch temperature it is low, but also in shape
Haveing excellent performance in terms of fixed rate and shape recovery rate has important scientific meaning and application prospect.
The object of the invention is achieved through the following technical solutions：
A kind of preparation method of the shape memory high molecule material based on thermoplastic sulfurized rubber, includes the following steps：
(1) in the dumbbell shape tensile bars of the ethylene-vinyl acetate copolymer of sheet/nitrile rubber thermoplastic sulfurized rubber
Centre draws two parallel graduation marks, and the distance between graduation mark is L0, it is then fixed on simple stretch fixture, it
Afterwards in the environment of 70~80 DEG C, 10min is preheated；
Wherein, vinyl acetate content is 26wt.% in ethylene-vinyl acetate copolymer, and the acrylonitrile in nitrile rubber contains
It is 29wt.% to measure, and the mass ratio of ethylene-vinyl acetate copolymer and nitrile rubber is 7 in thermoplastic sulfurized rubber:3~9:1；
(2) by the ethylene-vinyl acetate copolymer after preheating/nitrile rubber thermoplastic sulfurized rubber, in the temperature of preheating
Under the conditions of, apply external force on stretching clamp, batten is made to deform upon, after reaching defined deformation, the case where maintaining external force
Under, stretching clamp and batten are immersed in mixture of ice and water rapidly together, the distance between graduation mark is L at this time1；
(3) batten of ethylene-vinyl acetate copolymer/nitrile rubber thermoplastic sulfurized rubber is taken from simple stretch fixture
Under, place r for 24 hours naturally at room temperature, the distance between graduation mark is L2；
(4) ethylene-vinyl acetate copolymer in (3)/nitrile rubber thermoplastic sulfurized rubber batten is placed in 70~80 DEG C
In the environment of, after 5min, the distance between graduation mark is L3；
(5) shape of the shape memory high molecule material of ethylene-vinyl acetate copolymer/nitrile rubber thermoplastic sulfurized rubber
Fixed rate (SF) and the calculation formula of deformation-recovery rate (SR) are respectively：
Compared with prior art, the present invention having significant good effect and advance：
(1) the characteristics of shape memory high molecule material of the present invention preparation based on thermoplastic sulfurized rubber, this method is to original
Material does not have that particular/special requirement, preparation process be simple, flexibility of product can effectively be regulated and controled.
(2) the present invention is based on the shape memory high molecule material of thermoplastic sulfurized rubber, molding is easy, can be recycled, opening
It is low to close temperature, and is expected to realize industrialized production and commercial applications.
Shape memory high molecule material produced by the present invention based on thermoplastic sulfurized rubber has good shape and fixes
Rate and shape recovery rate, and itself there is good flexible and reusability.
Description of the drawings
Fig. 1 is that the surface for the shape memory high molecule material based on thermoplastic sulfurized rubber that the embodiment of the present invention 1 obtains is swept
Retouch electron microscope picture.
Fig. 2 is initial, the change for the shape memory high molecule material based on thermoplastic sulfurized rubber that the embodiment of the present invention 1 obtains
Figure after shape and after deformation recovery.
Specific implementation mode：
The present invention, but following implementations can further be expressly understood by the specific embodiment of invention now given below
Example is not limitation of the invention.
Ethylene-vinyl acetate copolymer used in the embodiment of the present invention, trade mark 7470M, vinyl acetate content are
26.0wt.%, platform mould Products.
Nitrile rubber used in the embodiment of the present invention, trade mark N41, acrylonitrile mass fraction 29%, ML1+4(100 DEG C)=
78, China National Petroleum Corporation's Lanzhou Petrochemical Company.Nitrile rubber is kneaded glue formula (mass parts)：Nitrile rubber 100；Sulphur
Sulphur 1.0；Accelerating agent TS 1.2；Accelerant CZ 1.5；Zinc oxide 5.0；Stearic acid 1.5；Anti-aging agent RD 1.
Embodiment 1：
(1) in the dumbbell shape tensile bars of the ethylene-vinyl acetate copolymer of sheet/nitrile rubber thermoplastic sulfurized rubber
Centre draws two parallel graduation marks, and the distance between graduation mark is L0=20.00mm is fixed in simple stretch fixture
On, 10min is preheated at 75 DEG C；Wherein, the mass ratio of ethylene-vinyl acetate copolymer and nitrile rubber is in thermoplastic sulfurized rubber
8:2；
(2) thermoplastic sulfurized rubber after preheating is applied external force on stretching clamp, makes batten under conditions of 75 DEG C
It deforms upon, after reaching 100% deformation, in the case where maintaining external force, stretching clamp and batten is immersed into rapidly ice together
Cool down sizing in aqueous mixtures, and the distance between graduation mark is L at this time1=40.00mm；
(3) batten of thermoplastic sulfurized rubber is removed from simple stretch fixture, places r for 24 hours, scale naturally at room temperature
The distance between line is recorded as L2=39.40mm；
(4) the thermoplastic sulfurized rubber batten in (3) is placed in 75 DEG C of environment, after 5min, the distance between graduation mark note
Record is L3=20.20mm；
(5) it is computed, the shape memory high molecule material of ethylene-vinyl acetate copolymer/nitrile rubber thermoplastic sulfurized rubber
The shape fixed rate (SF) and deformation-recovery rate (SR) of material are 97.0% and 98.9% respectively.
It will be seen from figure 1 that the sample surfaces of the thermoplastic sulfurized rubber after pre- hot-stretch and mixture of ice and water sizing,
In the presence of the orientation texture of many band-like micro-meter scales, this orientation texture stores reply driving force, and in subsequent heating
In the process, disorientation occurs, the sample after deformation is promoted to deform upon reply.Thermoplastic sulfurized rubber as can see from Figure 2
Procedure chart after the initial of dumbbell shape batten, deformation and after deformation recovery, it is total intuitively to reflect ethene-vinyl acetate very much
The shape memory effect of polymers/nitrile rubber thermoplastic sulfurized rubber.
Embodiment 2：
(1) in the dumbbell shape tensile bars of the ethylene-vinyl acetate copolymer of sheet/nitrile rubber thermoplastic sulfurized rubber
Centre draws two parallel graduation marks, and the distance between graduation mark is L0=20.00mm is fixed in simple stretch fixture
On, 10min is preheated at 80 DEG C；Wherein, the mass ratio of ethylene-vinyl acetate copolymer and nitrile rubber is in thermoplastic sulfurized rubber
7:3；
(2) thermoplastic sulfurized rubber after preheating is applied external force on stretching clamp, makes batten under conditions of 80 DEG C
It deforms upon, after reaching 100% deformation, in the case where maintaining external force, stretching clamp and batten is immersed into rapidly ice together
Cool down sizing in aqueous mixtures, and the distance between graduation mark is L at this time1=40.00mm；
(3) batten of thermoplastic sulfurized rubber is removed from simple stretch fixture, places r for 24 hours, scale naturally at room temperature
The distance between line is recorded as L2=38.48mm；
(4) the thermoplastic sulfurized rubber batten in (3) is placed in 80 DEG C of environment, after 5min, the distance between graduation mark note
Record is L3=21.35mm；
(5) it is computed, the shape memory high molecule material of ethylene-vinyl acetate copolymer/nitrile rubber thermoplastic sulfurized rubber
The shape fixed rate (SF) and deformation-recovery rate (SR) of material are 92.4% and 92.7% respectively.
Embodiment 3：
(1) in the dumbbell shape tensile bars of the ethylene-vinyl acetate copolymer of sheet/nitrile rubber thermoplastic sulfurized rubber
Centre draws two parallel graduation marks, and the distance between graduation mark is L0=20.00mm is fixed in simple stretch fixture
On, 10min is preheated at 75 DEG C；Wherein, the mass ratio of ethylene-vinyl acetate copolymer and nitrile rubber is in thermoplastic sulfurized rubber
9:1；
(2) thermoplastic sulfurized rubber after preheating is applied external force on stretching clamp, makes batten under conditions of 75 DEG C
It deforms upon, after reaching 100% deformation, in the case where maintaining external force, stretching clamp and batten is immersed into rapidly ice together
Cool down sizing in aqueous mixtures, and the distance between graduation mark is L at this time1=40.00mm；
(3) batten of thermoplastic sulfurized rubber is removed from simple stretch fixture, places r for 24 hours, scale naturally at room temperature
The distance between line is recorded as L2=39.60mm；
(4) the thermoplastic sulfurized rubber batten in (3) is placed in 75 DEG C of environment, after 5min, the distance between graduation mark note
Record is L3=20.66mm；
(5) it is computed, the shape memory high molecule material of ethylene-vinyl acetate copolymer/nitrile rubber thermoplastic sulfurized rubber
The shape fixed rate (SF) and deformation-recovery rate (SR) of material are 98.0% and 96.6% respectively.
Embodiment 4：
(1) in the dumbbell shape tensile bars of the ethylene-vinyl acetate copolymer of sheet/nitrile rubber thermoplastic sulfurized rubber
Centre draws two parallel graduation marks, and the distance between graduation mark is L0=20.00mm is fixed in simple stretch fixture
On, 10min is preheated at 70 DEG C；Wherein, the mass ratio of ethylene-vinyl acetate copolymer and nitrile rubber is in thermoplastic sulfurized rubber
8:2；
(2) thermoplastic sulfurized rubber after preheating is applied external force on stretching clamp, makes batten under conditions of 70 DEG C
It deforms upon, after reaching 100% deformation, in the case where maintaining external force, stretching clamp and batten is immersed into rapidly ice together
Cool down sizing in aqueous mixtures, and the distance between graduation mark is L at this time1=39.60mm；
(3) batten of thermoplastic sulfurized rubber is removed from simple stretch fixture, places r for 24 hours, scale naturally at room temperature
The distance between line is recorded as L2=38.30mm；
(4) the thermoplastic sulfurized rubber batten in (3) is placed in 80 DEG C of environment, after 5min, the distance between graduation mark note
Record is L3=20.30mm；
(5) it is computed, the shape memory high molecule material of ethylene-vinyl acetate copolymer/nitrile rubber thermoplastic sulfurized rubber
The shape fixed rate (SF) and deformation-recovery rate (SR) of material are 93.5% and 98.3% respectively.
Claims (1)
1. a kind of preparation method of the shape memory high molecule material based on thermoplastic sulfurized rubber, which is characterized in that the method
Steps are as follows：
(1) in the centre of the dumbbell shape tensile bars of the ethylene-vinyl acetate copolymer of sheet/nitrile rubber thermoplastic sulfurized rubber
Two parallel graduation marks are drawn, the distance between graduation mark is L0, then it is fixed on simple stretch fixture, Zhi Hou
In the environment of 70~80 DEG C, 10min is preheated；Wherein, vinyl acetate content is 26wt.%, fourth in ethylene-vinyl acetate copolymer
Acrylonitrile content in nitrile rubber is 29wt.%, the matter of ethylene-vinyl acetate copolymer and nitrile rubber in thermoplastic sulfurized rubber
Amount is than being 7:3~9:1；
(2) by the ethylene-vinyl acetate copolymer after preheating/nitrile rubber thermoplastic sulfurized rubber, in the temperature condition of preheating
Under, apply external force on stretching clamp, batten is made to deform upon, it, will in the case where maintaining external force after reaching defined deformation
Stretching clamp and batten immerse in mixture of ice and water rapidly together, at this point, the distance between graduation mark is L1；
(3) batten of ethylene-vinyl acetate copolymer/nitrile rubber thermoplastic sulfurized rubber is removed from simple stretch fixture,
Place r for 24 hours naturally at room temperature, the distance between graduation mark is L2；
(4) batten of the ethylene-vinyl acetate copolymer in (3)/nitrile rubber thermoplastic sulfurized rubber is placed in 70~80 DEG C
It under environment, is tested after 5min, the distance between graduation mark is L3；
(5) shape of the shape memory high molecule material of ethylene-vinyl acetate copolymer/nitrile rubber thermoplastic sulfurized rubber is fixed
Rate (SF) and the calculation formula of deformation-recovery rate (SR) are respectively：
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| CN201810326840.5A CN108503941B (en) | 2018-04-12 | 2018-04-12 | Preparation method of shape memory polymer material based on thermoplastic vulcanized rubber |
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| CN201810326840.5A CN108503941B (en) | 2018-04-12 | 2018-04-12 | Preparation method of shape memory polymer material based on thermoplastic vulcanized rubber |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110308053A (en) * | 2019-07-18 | 2019-10-08 | 青岛科技大学 | A kind of preparation method of the shape-memory material based on thermoplastic sulfurized rubber |
| CN110317349A (en) * | 2019-07-29 | 2019-10-11 | 青岛维思顿智能新材料有限公司 | The necking deformation method and packing method of shape memory material |
| CN110591328A (en) * | 2019-08-26 | 2019-12-20 | 青岛科技大学 | Spunlace-induced response rubber composite material and preparation method thereof |
| CN112284904A (en) * | 2020-11-06 | 2021-01-29 | 青岛科技大学 | Characterization method of shape memory behavior of thermoplastic vulcanized rubber in compression mode |
| CN114957849A (en) * | 2022-07-18 | 2022-08-30 | 青岛科技大学 | Preparation method of triple shape memory material based on thermoplastic elastomer |
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| CN103044696A (en) * | 2012-12-25 | 2013-04-17 | 广州鹿山新材料股份有限公司 | Preparation method of thermoplastic vulcanized rubber |
| US20130292117A1 (en) * | 2012-05-04 | 2013-11-07 | Schlumberger Technology Corporation | Compliant sand screen |
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| CN1916055A (en) * | 2006-09-12 | 2007-02-21 | 北京化工大学 | Method for raising fluidity of thermoplastic cross-linked rubber |
| US20130292117A1 (en) * | 2012-05-04 | 2013-11-07 | Schlumberger Technology Corporation | Compliant sand screen |
| CN103044696A (en) * | 2012-12-25 | 2013-04-17 | 广州鹿山新材料股份有限公司 | Preparation method of thermoplastic vulcanized rubber |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110308053A (en) * | 2019-07-18 | 2019-10-08 | 青岛科技大学 | A kind of preparation method of the shape-memory material based on thermoplastic sulfurized rubber |
| CN110317349A (en) * | 2019-07-29 | 2019-10-11 | 青岛维思顿智能新材料有限公司 | The necking deformation method and packing method of shape memory material |
| CN110591328A (en) * | 2019-08-26 | 2019-12-20 | 青岛科技大学 | Spunlace-induced response rubber composite material and preparation method thereof |
| CN110591328B (en) * | 2019-08-26 | 2022-05-13 | 青岛科技大学 | Spunlace-induced response rubber composite material and preparation method thereof |
| CN112284904A (en) * | 2020-11-06 | 2021-01-29 | 青岛科技大学 | Characterization method of shape memory behavior of thermoplastic vulcanized rubber in compression mode |
| CN114957849A (en) * | 2022-07-18 | 2022-08-30 | 青岛科技大学 | Preparation method of triple shape memory material based on thermoplastic elastomer |
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| CN108503941B (en) | 2020-07-21 |
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