CN106801296B - A kind of flexible auxetic fabric and its manufacturing method of adjustable scale and shape memory - Google Patents

A kind of flexible auxetic fabric and its manufacturing method of adjustable scale and shape memory Download PDF

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Publication number
CN106801296B
CN106801296B CN201710128025.3A CN201710128025A CN106801296B CN 106801296 B CN106801296 B CN 106801296B CN 201710128025 A CN201710128025 A CN 201710128025A CN 106801296 B CN106801296 B CN 106801296B
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auxetic
fabric
shape memory
flexible
filament
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CN106801296A (en
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杜赵群
许巧丽
何玲娥
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Donghua University
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Donghua University
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    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H3/00Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02Non-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
    • D04H3/07Non-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
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H3/00Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/14Non-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
    • D04H3/153Mixed yarns or filaments

Abstract

The present invention relates to the flexible auxetic fabrics and its manufacturing method of a kind of adjustable scale and shape memory, this method uses following preparation process: 1) by can the yarn that constitutes of heat setting long filament, shape memory filament knitted fabric and third component fiber composite, it is unwound from creel, it is arranged to auxetic pattern by yarn guide, and is consolidated on auxetic pattern by physics mode;2) shape memory filament knitted fabric makes fabric auxetic effect in reuse have shape keeping property;The sense of touch and visual style, transparency and density and tightness of third component fiber increase fabric;3) the flexible auxetic fabric of adjustable scale is formed;Or auxetic fabric size becomes smaller, form the flexible auxetic fabric of shape memory.The method have the characteristics that flexible auxetic fabric has stretching property and shape memory, it can be used for clothes, especially maternity dress, children's dress;Also package set, isolating and protecting pad, filtering material, sound absorption or acoustic material, composite material etc. be can be used as.

Description

A kind of flexible auxetic fabric and its manufacturing method of adjustable scale and shape memory
Technical field
Stablize flexible auxetic fabric with the continuous preparation structure of shape memory and adjustable dimension the present invention relates to a kind of Method can be used for the fields such as clothes isolating and protecting pad, filtering material, sound absorption or acoustic material, composite material, belong to textile garment The processing technique field of fabric.
Background technique
Shape memory function fabric refers to the fabric with formative memory function, also referred to as memory fabric or formative memory cloth.It With plasticity, and it is soft and do not have to worry damage creasy.The clothes made of the fabric are supported without external force, Any form can independently be kept and any fold is presented, formation state can be restored after being flicked with hand completely, will not leave behind Any folding line, it is conformal to have permanently.Shape memory fabric on the market mostly uses (poly- couple of shape memory polyurethane, PTT at present Benzene dicarboxylic acid trimethylene glycol ester) fiber production, although having shape memory function, dimensionally but without adjustability, such as Maternity dress, as pregnant woman's belly increases variable length, but its perimeter is becoming smaller, and forms certain compressing to foetus.Therefore, it opens Hair has both adjustable scale and the fabric of shape memory function is all of great significance for the comfort and function sexual development of fabric. And tradition knitting produces fabric with positive Poisson's ratio, Negative poisson's ratio repressive inevitable in deformation with woven mode Fabric can provide the scale adjustability of fabric.
Material with Negative poisson's ratio is also known as auxetic materials, i.e. material broadens when stretching perpendicular to draw direction, The phenomenon that material thickens when compression, auxetic materials are also referred to as one of 16 intellectual materials of 21 century, and constantly have with auxetic Foamed material, polymeric material and the composite material of effect are produced out.Auxetic structure is made and presented using flexible material can To provide basis for its extensive use, a variety of 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 leads to structure change since modulus is different, and location swap, the apparent diameter for showing as yarn increases Greatly, the 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 manufacturing method (patent of invention CN201210212844.3) of Hu Hong et al.;It closes Knitted structure is mainly used in the preparation of auxetic fabric, insertion yarn is added wherein, makes knitted structure in draw-texture process Gap is opened due to being embedded in the effect of yarn, auxetic effect is formed, such as authorizes the Fabrics having of Starbuck et al. Knit structures exhibiting auxetic properties and garments formed thereby (beauty 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);It about the application of auxetic textile, can be used for dressing, 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 authorizes The Blast control blanket (United States Patent (USP), patent of invention U.S.2016/0040962A1) of Rossow et al., is authorized Seating unit with auxetic support (United States Patent (USP), the patent of invention U.S.2015/ of Eberlein et al. 0320220A1)。
Although above-mentioned auxetic fabric uses fiber or yarn during the 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 are extremely limited.
Summary of the invention
It is an object of the invention to improve stability of auxetic fabric during reuse.
In order to achieve the above object, there is provided a kind of adjustable scale and shape memories for a technical solution of the invention The manufacturing method of flexible auxetic fabric, which is characterized in that use following preparation process:
(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 on auxetic pattern by physics mode, forms auxetic fabric, 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 corresponding multistage high-elastic area, is made Fabric auxetic effect in reuse has shape keeping property;
Third component fiber is natural fiber, regenerated fiber or chemical fibre, for increasing the sense of touch and vision wind of fabric Lattice, transparency and density and tightness;
(b) auxetic fabric is become large-sized, stretches fabric to after being sized, keep heat fixed by first time thermosetting process Shape long filament shapes and makes staple fiber relaxation setting, then makes shape memory filament knitted fabric by second of thermosetting process under set temperature In second of thermosetting process corresponding high-elastic area and stable structure at use temperature, the flexible auxetic of adjustable scale is formed Fabric;
Or auxetic fabric size becomes smaller, fabric is tiled and is under hot conditions, remembers heat setting long filament and shape Recall long filament stress relaxation and retract to the size under corresponding high temperature, is then cooled to heat setting long filament and shape memory filament knitted fabric is fixed Shape, then staple fiber relaxation setting 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 of 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 value of temperature is not higher than the use temperature of auxetic fabric;It is described can the glass transition temperature of heat setting long filament be higher than flexible auxetic Fabric uses temperature 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 such auxetic figure Simultaneously fabric is made in case, assigns fabric stretching property by the deformation of structure.
Preferably, the auxetic pattern includes indent hexagon, star network, indent diamond shape, regular dodecahedron, trigonal lattice Grid, center rotation rectangle, center rotary triangle shape, center rotation tetrahedron, chiral honeycomb, center polygonal, hinged six Angular, articulated quadrilateral, hinged triangle etc. and combinations thereof.
Preferably, yarn is covered on the auxetic pattern, and yarn forms physics consolidation, packet 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 scale refers to that the extension strain of length direction is not less than 60%, the flexible auxetic face Material has auxetic effect in adjustable range scale.
Preferably, the shape memory refers to that making fiber, deformation occurs, and stablizes by Temperature Treatment or power processing Correspondence length under treatment temperature or power processing status;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 flexibility auxetic fabric has auxetic effect within the scope of contraction strain.
Another technical solution of the invention there is provided the flexible auxetic fabric of a kind of adjustable scale and shape memory, It is characterized in that there is flexibility, Negative poisson's ratio, shape memory reply, size-adjustable and knot by what above-mentioned method was formed The stable flexible auxetic fabric of structure, without adding other binders, when length, radially broadens the flexibility auxetic fabric, long Degree radially narrows when shrinking.
There is provided the flexible auxetics of a kind of above-mentioned adjustable scale and shape memory for another technical solution of the invention The application of fabric, which is characterized in that be used for clothes, or for wrapping up set, isolating and protecting pad, filtering material, sound absorption or sound insulation material Material, composite material.
The present invention has the flexible auxetic fabric of adjustable scale and shape memory using multicomponent filaments and fiber manufacture, no Only product structure is stablized, and has the stretching property after reusing, and shape memory function can be reconciled by also having both scale, and due to using Different component manufacture, has complementary advantages, and fabric totality style is good.It can be widely applied to clothes with high performance and special want It asks in field.
The flexible auxetic fabric and its manufacturing method of a kind of adjustable scale and shape memory provided by the invention, using by can The yarn that heat setting long filament, shape memory filament knitted fabric and third component fiber composite are constituted is manufactured at auxetic patterning Flexible auxetic fabric.The auxetic fabric has flexibility, comfortable and easy to wear, adjustable scale, and the clothes which is prepared into become in length When long, perimeter also broaden, when length shortens, perimeter also narrows;Especially as the fabric of maternity dress, according to maternity dress length Auxetic fabric is gradually tuned up, is shaped by elongated demand, and maternity dress is elongated, and perimeter is also elongated, is not oppressed human body;It is existing Some shape memory maternity dresses, it is elongated, but perimeter becomes smaller, and has compressing to human body.In addition, when maternity dress needs to become diminution again, It is replied by shape memory, auxetic fabric is gradually returned into the original length, when length shortens, perimeter also becomes smaller.This hair Bright feature is that flexible auxetic fabric has stretching property and shape memory, can be used for clothes, especially maternity dress length and becomes It when long, radially broadens, to pregnant woman and fetus all without compressing constraint;Garment for children can become large-sized with age, both Reduce waste, saving resource saves the puzzlement that parents buy clothes frequently for them again;Also different sizes and use be can be made The package set on way, isolating and protecting pad, filtering material, sound absorption or acoustic material, composite material etc..
The principle of the invention lies in selection by can heat setting long filament, shape memory filament knitted fabric and third component fiber composite constitute Yarn, manufacture at auxetic pattern, can it is hand-made, can also be produced in batches with mechanization;It is formed by have by yarn and be drawn The auxetic fabric of swollen pattern, in the fabrication process, yarn is consolidated on the intersection point of auxetic pattern by physics mode;And it draws Swollen pattern is the structure that auxetic effect can be formed by the mechanical deformations mechanism such as stretching, bending, rotation, translation, hinged Figure;Become larger for auxetic fabric scale, forms the flexible auxetic fabric of adjustable scale, heat setting can be made by thermosetting process Long filament setting, shape memory filament knitted fabric and staple fiber relaxation setting;Auxetic fabric size is become smaller 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 It shapes with shape memory filament knitted fabric, then staple fiber relaxation setting 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, avoids the deformation of auxetic fabric Greatly, the unstable disadvantage of size in use, and shape memory function can make its reuse;
2) the flexible auxetic fabric prepared by can have flexibility, Negative poisson's ratio, shape without adding other binders Shape remembers the performance of reply, size-adjustable and stable structure;
3) third component fiber can be natural fiber, regenerated fiber or chemical fibre in the method, can increase fabric Sense of touch and visual style, transparency and density and tightness, improve the loose of fabric structure;
4) a kind of manufacturing method of the flexible auxetic fabric of adjustable scale and shape memory described in can it is hand-made, It can be produced in batches with mechanization;
5) the method have the characteristics that flexible auxetic fabric has stretching property and shape memory, it can be used for clothes, especially It when being maternity dress length, radially broadens, pregnant woman and fetus can be replied without compressing constraint, and after deforming;Children's dress Dress can become large-sized with age, not only reduced waste, saved resource but also save parents and frequently buy clothes for them Puzzlement;Also package set, isolating and protecting pad, filtering material, sound absorption or the acoustic material of different sizes and purposes be can be made, answered Condensation material etc..
Detailed description of the invention
Fig. 1 is the adjustable scale of double-head arrow structure and shape memory flexibility auxetic fabric schematic diagram;
Fig. 2 (a) is that the adjustable scale of double-head arrow structure and shape memory flexibility auxetic fabric deform preceding schematic diagram;
Fig. 2 (b) is schematic diagram after the adjustable scale of double-head arrow structure and the deformation of shape memory flexibility auxetic fabric;
Fig. 3 (a) is that partial enlargement is illustrated in the adjustable scale of double-head arrow structure and shape memory flexibility auxetic fabric Fig. 2 (a) Figure;
Fig. 3 (b) is that partial enlargement is illustrated in the adjustable scale of double-head arrow structure and shape memory flexibility auxetic fabric Fig. 2 (b) Figure.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited Range.
The present invention provides the manufacturing methods of a kind of adjustable scale and 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 on auxetic pattern by physics mode, forms auxetic fabric, 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 corresponding multistage high-elastic area,;
The shape memory filament knitted fabric is at least 2 grades of glass transition temperature (maximum values of multistage glass transition temperature Not higher than the use temperature of auxetic fabric) and corresponding at least 2 grades high-elastic areas elastic filament, 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 ring for using temperature and washing or dry-cleaning of flexible auxetic fabric Border temperature;
Third component fiber is natural fiber, regenerated fiber or chemical fibre, for increasing the sense of touch and vision wind of 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 the auxetic structure of infolding stack structure, the auxetic structure of chiral rotational structure or interior rotational structure Auxetic structure, can heat setting long filament, shape memory filament knitted fabric and third component fiber be arranged as such auxetic pattern and face be made Material, by structure deformation assign fabric stretching property, including indent hexagon, star network, indent diamond shape, regular dodecahedron, Triangle grid, center rotation rectangle, center rotary triangle shape, center rotation tetrahedron, chiral honeycomb, center polygonal, Hinged hexagon, articulated quadrilateral, hinged triangle etc. and combinations thereof;
(b) auxetic fabric is become large-sized, stretches fabric to after being sized, keep heat fixed by first time thermosetting process Shape long filament shapes and makes staple fiber relaxation setting, then makes shape memory filament knitted fabric by second of thermosetting process under set temperature In second of thermosetting process corresponding high-elastic area and stable structure at use temperature, the flexible auxetic of adjustable scale is formed Fabric;
Or auxetic fabric size becomes smaller, fabric is tiled and is under hot conditions, remembers heat setting long filament and shape Recall long filament stress relaxation and retract to the size under corresponding high temperature, is then cooled to heat setting long filament and shape memory filament knitted fabric is fixed Shape, then staple fiber relaxation setting is made by steam treatment, form the flexible auxetic fabric of shape memory.
Adjustable scale refers to the extension strain of length direction not less than 60%, and the flexible auxetic fabric is in adjustable scale There is auxetic effect in range;
Shape memory refers to that making fiber, deformation occurs, and stablizes in treatment temperature or power by Temperature Treatment or power processing Correspondence length under processing status;After the flexible auxetic fabric of the shape memory is arranged by shape memory, length direction Contraction strain is not less than 60%, and the flexibility auxetic fabric has auxetic effect within the scope of contraction strain.
The present invention also provides the flexible auxetic fabrics of a kind of adjustable scale and shape memory, are formed by above-mentioned method With flexibility, Negative poisson's ratio, shape memory reply, size-adjustable and stable structure flexible auxetic fabric, it is described soft Property auxetic fabric without adding other binders, when length, radially broadens, and when Length Contraction radially narrows.
The flexible auxetic fabric of the adjustable scale and shape memory that are formed can be used for the clothes such as maternity dress, children's dress, or use In package set, isolating and protecting pad, filtering material, sound absorption or acoustic material, composite material.

Claims (10)

1. a kind of manufacturing method of the flexible auxetic fabric of adjustable scale and shape memory, which is characterized 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, unwound from creel, It is arranged to auxetic pattern by yarn guide, and is consolidated on auxetic pattern by physics mode, auxetic fabric is formed, 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 corresponding multistage high-elastic area, makes fabric Auxetic effect has shape keeping property in reuse;
Third component fiber is natural fiber or chemical fibre, for increasing the sense of touch and visual style, transparency and close of fabric Degree and tightness;
(b) auxetic fabric is become large-sized, stretches fabric to after being sized, making by first time thermosetting process can heat setting Long filament shapes and makes the relaxation setting of third component fiber, then makes shape memory by second of thermosetting process under set temperature Long filament is in second of thermosetting process corresponding high-elastic area and stable structure at use temperature, forms the flexibility of adjustable scale Auxetic fabric;
Or auxetic fabric size becomes smaller, fabric is tiled and is under hot conditions, making can heat setting long filament and shape memory Long filament stress relaxation simultaneously retracts to the size under corresponding high temperature, be then cooled to can heat setting long filament and shape memory filament knitted fabric it is fixed Shape, then the relaxation setting of third component fiber is made by steam treatment, form the flexible auxetic fabric of shape memory.
2. the manufacturing method of the flexible auxetic fabric of a kind of adjustable scale as described in claim 1 and shape memory, feature It is, the shape memory filament knitted fabric is the elasticity length of at least 2 grades of glass transition temperatures and corresponding at least 2 grades high-elastic areas 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 use temperature of auxetic fabric;It is described can the glass transition temperature of heat setting long filament be higher than the use of flexible auxetic fabric Temperature and the environment temperature of washing.
3. the manufacturing method of the flexible auxetic fabric of a kind of adjustable scale as described in claim 1 and shape memory, feature It is, the auxetic pattern is the auxetic structure of infolding stack structure, the auxetic structure of chiral rotational structure or interior rotational structure Auxetic structure, can heat setting long filament, shape memory filament knitted fabric and third component fiber be arranged as such auxetic pattern and face be made Material assigns fabric stretching property by the deformation of structure.
4. the manufacturing method of the flexible auxetic fabric of a kind of adjustable scale as described in claim 1 and shape memory, feature It is, the auxetic pattern includes indent hexagon, star network, indent diamond shape, regular dodecahedron, triangle grid, center rotation Torque shape, center rotary triangle shape, chiral honeycomb, center polygonal, hinged hexagon, articulated quadrilateral, hinged triangle Shape and combinations thereof.
5. the manufacturing method of the flexible auxetic fabric of a kind of adjustable scale as described in claim 1 and shape memory, feature It is, yarn is covered on the auxetic pattern, and yarn forms physics consolidation on the intersection point of auxetic pattern, including knots.
6. the manufacturing method of the flexible auxetic fabric of a kind of adjustable scale as described in claim 1 and shape memory, 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 manufacturing method of the flexible auxetic fabric of a kind of adjustable scale as described in claim 1 and shape memory, feature It is, the adjustable scale refers to the extension strain of length direction not less than 60%, and the flexible auxetic fabric is in adjustable ruler Spending has auxetic effect in range.
8. the manufacturing method of the flexible auxetic fabric of a kind of adjustable scale as described in claim 1 and shape memory, feature Be, the shape memory refers to that making fiber, deformation occurs by Temperature Treatment or power processing, and stablize in treatment temperature or Correspondence length under power processing status;After the flexible auxetic fabric of the shape memory is arranged by shape memory, length direction Contraction strain be not less than 60%, it is described flexibility auxetic fabric within the scope of contraction strain have auxetic effect.
9. the flexible auxetic fabric of a kind of adjustable scale and shape memory, which is characterized in that pass through side as described in claim 1 Method formed with flexibility, Negative poisson's ratio, shape memory reply, size-adjustable and stable structure flexible auxetic fabric, Without adding other binders, when length, radially broadens the flexibility auxetic fabric, and when Length Contraction radially narrows.
10. a kind of application of the flexible auxetic fabric of adjustable scale as claimed in claim 9 and shape memory, feature exist In for clothes, or for wrapping up set, isolating and protecting pad, filtering material, sound absorption or acoustic material, composite material.
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