CN106801296A - The flexible auxetic fabric and its manufacture method of a kind of adjustable yardstick and shape memory - Google Patents
The flexible auxetic fabric and its manufacture method of a kind of adjustable yardstick and shape memory Download PDFInfo
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- CN106801296A CN106801296A CN201710128025.3A CN201710128025A CN106801296A CN 106801296 A CN106801296 A CN 106801296A CN 201710128025 A CN201710128025 A CN 201710128025A CN 106801296 A CN106801296 A CN 106801296A
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- auxetic
- fabric
- shape memory
- flexible
- adjustable
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
- D04H3/07—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments otherwise than in a plane, e.g. in a tubular way
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
- D04H3/153—Mixed yarns or filaments
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Of Fabric (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The present invention relates to a kind of adjustable yardstick and the flexible auxetic fabric and its manufacture method of shape memory, the method uses following preparation technology:1) by can the yarn that constitutes of heat setting long filament, shape memory filament knitted fabric and third component fiber composite, unwind from creel, auxetic pattern is arranged to by yarn guide, and consolidated by physics mode on auxetic pattern;2) shape memory filament knitted fabric makes fabric auxetic effect in reuse have shape keeping property;Third component fiber increases the sense of touch and visual style, transparency and density and tightness of fabric;3) the flexible auxetic fabric of adjustable yardstick is formed;Or auxetic fabric size diminishes, form the flexible auxetic fabric of shape memory.The method have the characteristics that flexible auxetic fabric has stretching property and shape memory, can be used for clothes, especially maternity dress, children's dress;Also parcel set, isolating and protecting pad, filtering material, sound absorption or acoustic material, composite etc. be can be used as.
Description
Technical field
The present invention relates to a kind of continuous preparation structure stabilization flexibility auxetic fabric with shape memory and adjustable dimension
Method, can be used for the fields such as clothes isolating and protecting pad, filtering material, sound absorption or acoustic material, composite, belong to textile garment
The processing technique field of fabric.
Background technology
Shape memory function fabric refers to the fabric with formative memory function, also referred to as memory fabric, or formative memory cloth.It
It is with plasticity and soft and without worrying damage creasy.The clothes being made of the fabric are supported without external force,
Just can independently keep any form and any fold is presented, after being flicked with hand by recover formation state completely, will not leave behind
Any folding line, it is conformal with permanent.It is (poly- right using shape memory polyurethane, PTT more than shape memory fabric on the market at present
Benzene dicarboxylic acid trimethylene glycol ester) fiber making, although with shape memory function, but do not have adjustability but dimensionally, such as
Maternity dress, as pregnant woman's belly increases variable length, but its girth is diminishing, and certain compressing is formed to foetus.Therefore, open
Hair has adjustable yardstick concurrently and the fabric of shape memory function is all significant for the comfortableness and function sexual development of fabric.
And tradition is knitting produces fabric with woven mode and have positive Poisson's ratio, Negative poisson's ratio repressive inevitable in deformation
Fabric can provide the yardstick adjustability of fabric.
Material with Negative poisson's ratio broadens in stretching also known as auxetic materials, i.e. material perpendicular to draw direction,
Material thickening phenomenon during compression, auxetic materials are also referred to as one of 16 intellectual materials of 21 century, and constantly have with auxetic
The foamed material of effect, polymeric material and composite are produced out.Auxetic structure is made and presented using flexible material can
To be that its extensive use provides basis, various auxetic textile materials, including auxetic yarn, drawing are prepared for currently with auxetic structure
Swollen fabric etc..
The preparation of auxetic yarn is mainly shaped using the positive Poisson's ratio long filament of tradition by helical structure, makes it by axial drawing
When stretching effect, filament component causes structure change because modulus is different, location swap, and the apparent diameter for showing as yarn increases
Greatly, Uses of auxetic fibres (United States Patent (USP), patent of invention U.S.2011/8002879B2) of Hook is such as authorized,
Authorize a kind of negative poisson ratio yarn structure and its manufacture method (patent of invention CN201210212844.3) of Hu Hong et al.;Close
Knitted structure is mainly used in the preparation of auxetic fabric, embedded yarn is added wherein, make knitted structure in draw-texture process
Space is opened due to the effect of embedded yarn, auxetic effect is formed, the Fabrics having of Starbuck et al. are such as authorized
Knit structures exhibiting auxetic properties and garments formed thereby are (beautiful
State's patent, patent of invention U.S.2008/0011021A1), authorize the Auxetic knitted fabrics of Anand et al.
(United States Patent (USP), patent of invention WO2010/125397A1), authorizes the Auxetic fabric of Ugbolue et al.
Structure and related fabrication methods (United States Patent (USP), patent of invention U.S.2014/
8772187B2);Application on auxetic textile, can be used to dress, and such as authorize the Articles of Blakely et al.
Ofapparel with auxetic fabrics (United States Patent (USP), patent of invention U.S.2014/0109286A1), can be used for
Filtering, such as authorizes the Filtering face-piece respirator having an auxetic mesh of Martin et al.
In the mask body (United States Patent (USP), patent of invention U.S.2015/8967147B2), can be used for surge guard, such as authorize
Blast control blanket (United States Patent (USP), patent of invention U.S.2016/0040962A1) of Rossow et al., authorize
Seating unit with auxetic support (United States Patent (USP), patent of invention U.S.2015/ of Eberlein et al.
0320220A1)。
Although above-mentioned auxetic fabric employs fiber or yarn in preparation process, main technique is still based on tradition
Knitting, though fabric product has an auxetic effect, short texture deforms excessive, and product is steady during reuse
Qualitative difference, application prospect is extremely limited.
The content of the invention
It is an object of the invention to improve stability of the auxetic fabric during reuse.
In order to achieve the above object, a technical scheme of the invention there is provided a kind of adjustable yardstick with shape memory
The manufacture method of flexible auxetic fabric, it is characterised in that use following preparation technology:
(a) by can the yarn that constitutes of heat setting long filament, shape memory filament knitted fabric and third component fiber composite, moved back from creel
Around, auxetic pattern is arranged to by yarn guide, and consolidated by physics mode on auxetic pattern, auxetic fabric is formed,
Wherein:Auxetic pattern is the structure graph that auxetic effect can be formed by mechanical deformation mechanism;
Shape memory filament knitted fabric is the elastic filament with multistage glass transition temperature and the multistage high-elastic area of correspondence, is made
Fabric auxetic effect in reuse has shape keeping property;
Third component fiber is natural fiber, regenerated fiber or chemical fibre, sense of touch and vision wind for increasing fabric
Lattice, transparency and density and tightness;
B () becomes large-sized auxetic fabric, stretching fabric makes heat fixed to after being sized by first time thermosetting process
Shape long filament shapes and makes the lax setting of chopped fiber, then makes shape memory filament knitted fabric by second thermosetting process under design temperature
Corresponding high-elastic area and Stability Analysis of Structures under second thermosetting process temperature in use, form the flexible auxetic of adjustable yardstick
Fabric;
Or auxetic fabric size diminishes, fabric is tiled and under hot conditions, remember heat setting long filament and shape
Recall long filament stress relaxation and retract to the size under correspondence high temperature, be then cooled to heat setting long filament and shape memory filament knitted fabric is fixed
Shape, then the lax setting of chopped fiber is made by steam treatment, form the flexible auxetic fabric of shape memory.
Preferably, the shape memory filament knitted fabric is that at least 2 grades of at least 2 grades glass transition temperatures and correspondence are high-elastic
The elastic filament in area, including shape memory polyurethane, shape memory polyester;The multistage glass transition of the shape memory filament knitted fabric
The maximum of temperature is not higher than the temperature in use of auxetic fabric;It is described can the glass transition temperature of heat setting long filament be higher than flexible auxetic
The temperature in use of fabric and the environment temperature of washing or dry-cleaning.
Preferably, the auxetic pattern is the auxetic structure of infolding stack structure, the auxetic structure or interior of chiral rotational structure
The auxetic structure of rotational structure, can heat setting long filament, shape memory filament knitted fabric and third component fiber be arranged as this kind of auxetic figure
Case is simultaneously made fabric, and fabric stretching property is assigned by the deformation of structure.
Preferably, the auxetic pattern includes indent hexagon, star network, indent rhombus, regular dodecahedron, trigonal lattice
Grid, central rotation rectangle, central rotation triangle, central rotation tetrahedron, chiral honeycomb, central rotation polyhedron, it is hinged six
Angular, articulated quadrilateral, it is hinged triangle etc. and combinations thereof.
Preferably, yarn is covered with the auxetic pattern, and yarn forms physics consolidation, bag on the intersection point of auxetic pattern
Include knotting, be socketed, collude with and combinations thereof.
Preferably, it is described can heat setting long filament, shape memory filament knitted fabric and third component fiber include auxetic fiber, non-auxetic
Fiber.
Preferably, the adjustable yardstick refer to the extension strain of length direction not less than 60%, described flexible auxetic face
Material has auxetic effect in the range of adjustable yardstick.
Preferably, the shape memory refers to be processed by Temperature Treatment or power, deforms upon fiber, and stabilization exists
Corresponding length under treatment temperature or power treatment state;The flexible auxetic fabric of the shape memory is arranged by shape memory
Afterwards, the contraction strain of length direction is not less than 60%, and the flexible auxetic fabric has auxetic effect in the range of contraction strain.
Another technical scheme of the invention there is provided the flexible auxetic fabric of a kind of adjustable yardstick and shape memory, its
It is characterised by, by above-mentioned method formation with flexibility, Negative poisson's ratio, shape memory reply, size-adjustable and knot
The flexible auxetic fabric of structure stabilization, the flexible auxetic fabric need not add other binding agents, radially be broadened during length, long
Radially narrow when degree shrinks.
Another technical scheme of the invention there is provided the flexible auxetic of a kind of above-mentioned adjustable yardstick and shape memory
The application of fabric, it is characterised in that for clothes, or for wrapping up set, isolating and protecting pad, filtering material, sound absorption or sound insulation material
Material, composite.
The present invention has the flexible auxetic fabric of adjustable yardstick and shape memory using multicomponent filaments with fiber manufacture, no
Only product structure stabilization, with the stretching property after reuse, also having yardstick concurrently can reconcile shape memory function, and due to using
Different component is manufactured, and is had complementary advantages, and fabric totality style is good.Can be widely applied to high performance clothes and it is special will
In asking field.
The flexible auxetic fabric and its manufacture method of a kind of adjustable yardstick and shape memory that the present invention is provided, using by can
The yarn that heat setting long filament, shape memory filament knitted fabric and third component fiber composite are constituted, is manufactured into auxetic patterning
Flexible auxetic fabric.The auxetic fabric has flexibility, and comfortable and easy to wear, adjustable yardstick, the clothes that the fabric is prepared into become in length
When long, girth also broaden, length become in short-term, girth also narrows;Especially as the fabric of maternity dress, according to maternity dress length
Elongated demand, auxetic fabric is gradually tuned up, is shaped, and maternity dress is elongated, and girth is also elongated, and human body is not oppressed;It is existing
Some shape memory maternity dresses, it is elongated, but girth diminishes, and has compressing to human body.In addition, when maternity dress needs to become again diminution,
Replied by shape memory, auxetic fabric gradually returned into the original length, length become in short-term, girth also diminishes.This hair
Bright the characteristics of is that flexible auxetic fabric has stretching property and shape memory, can be used for clothes, and especially maternity dress length becomes
When long, radially broaden, constraint is not all oppressed to pregnant woman and fetus;Garment for children can become large-sized with age, both
Reduce waste, save resources and save the puzzlement that father and mother frequently buy clothes for them again;Different size and use can also be made
The parcel set on way, isolating and protecting pad, filtering material, sound absorption or acoustic material, composite etc..
Principle of the invention be select by can heat setting long filament, shape memory filament knitted fabric and third component fiber composite constitute
Yarn, be manufactured into auxetic pattern, can make by hand, can also mechanization batch production;By yarn formed with drawing
The auxetic fabric of swollen pattern, in the fabrication process, yarn is consolidated on the intersection point of auxetic pattern by physics mode;And draw
Swollen pattern is the structure that auxetic effect can be formed by the mechanical deformation mechanism such as stretching, bending, rotate, translate, be hinged
Figure;Become big for auxetic fabric yardstick, form the flexible auxetic fabric of adjustable yardstick, heat setting can be made by thermosetting process
Long filament setting, shape memory filament knitted fabric and the lax setting of chopped fiber;Auxetic fabric size is diminished or to original size, also by
High temperature makes heat setting long filament and shape memory filament knitted fabric stress relaxation and the original size that bounces back, and is then cooled to heat setting long filament
Shaped with shape memory filament knitted fabric, then the lax setting of chopped fiber is made by steam treatment, form the flexible auxetic fabric of shape memory.
The features of the present invention and beneficial effect are:
1) the flexible auxetic fabric prepared by has the function of size adjustable and shape memory, it is to avoid the deformation of auxetic fabric
Greatly, the unstable shortcoming of size in use, and shape memory function can reuse it;
2) the flexible auxetic fabric prepared by need not add other binding agents, you can with flexibility, Negative poisson's ratio, shape
Shape memory reply, size-adjustable and constitutionally stable performance;
3) third component fiber can be natural fiber, regenerated fiber or chemical fibre in methods described, can increase fabric
Sense of touch and visual style, transparency and density and tightness, improve fabric structure it is loose;
A kind of adjustable yardstick described in 4) can make by hand with the manufacture method of the flexible auxetic fabric of shape memory,
Can be produced in batches with mechanization;
5) the method have the characteristics that flexible auxetic fabric has stretching property and shape memory, can be used for clothes, especially
When being maternity dress length, radially broaden, can be replied after all not oppressing pregnant woman and fetus constraint, and deformation;Children's dress
Dress can become large-sized with age, not only reduced waste, save resources but also saved father and mother frequently for they buy clothes
Puzzlement;The parcel set of different size and purposes, isolating and protecting pad, filtering material, sound absorption or acoustic material, multiple can also be made
Condensation material etc..
Brief description of the drawings
Fig. 1 is the adjustable yardstick of double-head arrow structure and shape memory flexibility auxetic fabric schematic diagram;
Fig. 2 (a) is the adjustable yardstick of double-head arrow structure and the shape memory flexibility auxetic preceding schematic diagram of fabric deformation;
Fig. 2 (b) is schematic diagram after the adjustable yardstick of double-head arrow structure deforms with shape memory flexibility auxetic fabric;
Fig. 3 (a) is that the adjustable yardstick of double-head arrow structure is illustrated with partial enlargement in shape memory flexibility auxetic fabric Fig. 2 (a)
Figure;
Fig. 3 (b) is that the adjustable yardstick of double-head arrow structure is illustrated with partial enlargement in shape memory flexibility auxetic fabric Fig. 2 (b)
Figure.
Specific embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.In addition, it is to be understood that after the content for having read instruction of the present invention, people in the art
Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Scope.
The invention provides a kind of adjustable yardstick and the manufacture method of the flexible auxetic fabric of shape memory, using following system
Standby technique:
(a) by can the yarn that constitutes of heat setting long filament, shape memory filament knitted fabric and third component fiber composite, moved back from creel
Around, auxetic pattern is arranged to by yarn guide, and consolidated by physics mode on auxetic pattern, auxetic fabric is formed,
Wherein:Auxetic pattern is the structure graph that auxetic effect can be formed by mechanical deformation mechanism;
Shape memory filament knitted fabric is the elastic filament with multistage glass transition temperature and the multistage high-elastic area of correspondence,;
The shape memory filament knitted fabric is at least 2 grades glass transition temperature (maximums of multistage glass transition temperature
The not higher than temperature in use of auxetic fabric) and at least 2 grades elastic filaments in high-elastic area of correspondence, make fabric in reuse
Auxetic effect has shape keeping property, including shape memory polyurethane, shape memory polyester;
Can the glass transition temperature of heat setting long filament be higher than the temperature in use of flexible auxetic fabric and the ring of washing or dry-cleaning
Border temperature;
Third component fiber is natural fiber, regenerated fiber or chemical fibre, sense of touch and vision wind for increasing fabric
Lattice, transparency and density and tightness;
Can heat setting long filament, shape memory filament knitted fabric and third component fiber include auxetic fiber, non-auxetic fiber;
Auxetic pattern is auxetic structure, the auxetic structure of chiral rotational structure or the interior rotational structure of infolding stack structure
Auxetic structure, can heat setting long filament, shape memory filament knitted fabric and third component fiber be arranged as this kind of auxetic pattern and be made face
Material, by structure deformation assign fabric stretching property, including indent hexagon, star network, indent rhombus, regular dodecahedron,
Triangle grid, central rotation rectangle, central rotation triangle, central rotation tetrahedron, chiral honeycomb, central rotation polyhedron,
It is hinged hexagon, articulated quadrilateral, is hinged triangle etc. and combinations thereof;
B () becomes large-sized auxetic fabric, stretching fabric makes heat fixed to after being sized by first time thermosetting process
Shape long filament shapes and makes the lax setting of chopped fiber, then makes shape memory filament knitted fabric by second thermosetting process under design temperature
Corresponding high-elastic area and Stability Analysis of Structures under second thermosetting process temperature in use, form the flexible auxetic of adjustable yardstick
Fabric;
Or auxetic fabric size diminishes, fabric is tiled and under hot conditions, remember heat setting long filament and shape
Recall long filament stress relaxation and retract to the size under correspondence high temperature, be then cooled to heat setting long filament and shape memory filament knitted fabric is fixed
Shape, then the lax setting of chopped fiber is made by steam treatment, form the flexible auxetic fabric of shape memory.
Adjustable yardstick refers to that the extension strain of length direction is not less than 60%, and described flexible auxetic fabric is in adjustable yardstick
In the range of have auxetic effect;
Shape memory refers to be processed by Temperature Treatment or power, deforms upon fiber, and stabilization is in treatment temperature or power
Corresponding length under treatment state;The flexible auxetic fabric of the shape memory by shape memory arrange after, length direction
Contraction strain is not less than 60%, and the flexible auxetic fabric has auxetic effect in the range of contraction strain.
Present invention also offers a kind of adjustable yardstick and the flexible auxetic fabric of shape memory, formed by above-mentioned method
Replied with flexibility, Negative poisson's ratio, shape memory, size-adjustable and constitutionally stable flexible auxetic fabric, it is described soft
Property auxetic fabric need not add other binding agents, during length radially broaden, during Length Contraction radially narrow.
The adjustable yardstick for being formed can be used for the clothes such as maternity dress, children's dress with the flexible auxetic fabric of shape memory, or use
In parcel set, isolating and protecting pad, filtering material, sound absorption or acoustic material, composite.
Claims (10)
1. the manufacture method of the flexible auxetic fabric of a kind of adjustable yardstick and shape memory, it is characterised in that using following preparation
Technique:
(a) by can the yarn that constitutes of heat setting long filament, shape memory filament knitted fabric and third component fiber composite, unwind from creel,
Auxetic pattern is arranged to by yarn guide, and is consolidated by physics mode on auxetic pattern, form auxetic fabric, its
In:Auxetic pattern is the structure graph that auxetic effect can be formed by mechanical deformation mechanism;
Shape memory filament knitted fabric is the elastic filament with multistage glass transition temperature and the multistage high-elastic area of correspondence, makes fabric
Auxetic effect has shape keeping property in reuse;
Third component fiber be natural fiber, regenerated fiber or chemical fibre, for increase fabric sense of touch and visual style, thoroughly
The general character and density and tightness;
B () becomes large-sized auxetic fabric, stretching fabric makes heat setting long to after being sized by first time thermosetting process
Silk shapes and makes the lax setting of chopped fiber, then is in shape memory filament knitted fabric by second thermosetting process under design temperature
Corresponding high-elastic area and Stability Analysis of Structures under second thermosetting process temperature in use, form the flexible auxetic fabric of adjustable yardstick;
Or auxetic fabric size diminishes, fabric is tiled and under hot conditions, make heat setting long filament and shape memory long
Silk stress relaxation simultaneously retracts to the size under correspondence high temperature, is then cooled to heat setting long filament and shape memory filament knitted fabric setting, then
The lax setting of chopped fiber is made by steam treatment, the flexible auxetic fabric of shape memory is formed.
2. the manufacture method of a kind of adjustable yardstick as claimed in claim 1 and the flexible auxetic fabric of shape memory, its feature
It is that the shape memory filament knitted fabric is that the elasticity at least 2 grades high-elastic areas of at least 2 grades glass transition temperatures and correspondence is long
Silk, including shape memory polyurethane, shape memory polyester;The maximum of the multistage glass transition temperature of the shape memory filament knitted fabric
Value is not higher than the temperature in use of auxetic fabric;It is described can heat setting long filament glass transition temperature be higher than flexible auxetic fabric use
Temperature and the environment temperature of washing or dry-cleaning.
3. the manufacture method of a kind of adjustable yardstick as claimed in claim 1 and the flexible auxetic fabric of shape memory, its feature
It is that the auxetic pattern is auxetic structure, the auxetic structure of chiral rotational structure or the interior rotational structure of infolding stack structure
Auxetic structure, can heat setting long filament, shape memory filament knitted fabric and third component fiber be arranged as this kind of auxetic pattern and be made face
Material, fabric stretching property is assigned by the deformation of structure.
4. the manufacture method of a kind of adjustable yardstick as claimed in claim 1 and the flexible auxetic fabric of shape memory, its feature
It is that the auxetic pattern includes indent hexagon, star network, indent rhombus, regular dodecahedron, triangle grid, center rotation
Torque shape, central rotation triangle, central rotation tetrahedron, chiral honeycomb, central rotation polyhedron, it is hinged hexagon, is hinged
Quadrangle, it is hinged triangle etc. and combinations thereof.
5. the manufacture method of a kind of adjustable yardstick as claimed in claim 1 and the flexible auxetic fabric of shape memory, its feature
It is that yarn is covered with the auxetic pattern, and yarn forms physics consolidation on the intersection point of auxetic pattern, including knot, cover
Connect, collude with and combinations thereof.
6. the manufacture method of a kind of adjustable yardstick as claimed in claim 1 and the flexible auxetic fabric of shape memory, its feature
Be, it is described can heat setting long filament, shape memory filament knitted fabric and third component fiber include auxetic fiber, non-auxetic fiber.
7. the manufacture method of a kind of adjustable yardstick as claimed in claim 1 and the flexible auxetic fabric of shape memory, its feature
It is that the adjustable yardstick refers to that the extension strain of length direction is not less than 60%, and described flexible auxetic fabric is in adjustable ruler
There is auxetic effect in the range of degree.
8. the manufacture method of a kind of adjustable yardstick as claimed in claim 1 and the flexible auxetic fabric of shape memory, its feature
Be that the shape memory refers to be processed by Temperature Treatment or power, deforms upon fiber, and stabilization in treatment temperature or
Corresponding length under power treatment state;The flexible auxetic fabric of the shape memory by shape memory arrange after, length direction
Contraction strain be not less than 60%, the flexible auxetic fabric in the range of contraction strain have auxetic effect.
9. the flexible auxetic fabric of a kind of adjustable yardstick and shape memory, it is characterised in that by side as claimed in claim 1
Method formed with flexibility, Negative poisson's ratio, shape memory reply, size-adjustable and constitutionally stable flexible auxetic fabric,
The flexible auxetic fabric need not add other binding agents, radially be broadened during length, radially narrow during Length Contraction.
10. a kind of application of the flexible auxetic fabric of adjustable yardstick as claimed in claim 9 and shape memory, its feature exists
In for clothes, or for wrapping up set, isolating and protecting pad, filtering material, sound absorption or acoustic material, composite.
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CN110169675A (en) * | 2019-05-16 | 2019-08-27 | 广州美术学院 | A kind of negative poisson's ratio mattress |
CN110891453A (en) * | 2017-06-14 | 2020-03-17 | 米兰综合工科大学 | Hair styling accessory |
CN111268092A (en) * | 2020-02-19 | 2020-06-12 | 南京航空航天大学 | Structure for improving torsional rigidity of trailing edge structure of flexible wing |
CN111529758A (en) * | 2020-06-24 | 2020-08-14 | 东华大学 | Negative poisson ratio structure myocardial patch with conductive stability and preparation method thereof |
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