CN104911804B - A kind of two-dimentional knitted fabric of negative poisson's ratio and its method for weaving - Google Patents
A kind of two-dimentional knitted fabric of negative poisson's ratio and its method for weaving Download PDFInfo
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- CN104911804B CN104911804B CN201510392498.5A CN201510392498A CN104911804B CN 104911804 B CN104911804 B CN 104911804B CN 201510392498 A CN201510392498 A CN 201510392498A CN 104911804 B CN104911804 B CN 104911804B
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Abstract
The invention belongs to field of textiles, and it relate to a kind of two-dimentional knitted fabric of negative poisson's ratio and its method for weaving.Negative poisson's ratio two dimension knitted fabric is made up of two parts, ground tissue part and crushed element.The method for weaving includes：The fabric based on warp knit traverse net fabric, additional one produces preceding comb braiding to the base fabric effect of the power of in-plane, make base fabric structure disequilibrium and left and right is crooked, so as to form the warp knit structure with Negative poisson's ratio, obtain the two-dimentional knitted fabric of negative poisson's ratio.The method for weaving of the present invention is with low cost and simple to operate；The Negative poisson's ratio of the two-dimentional knitted fabric of the present invention is obvious and method for weaving is simple, and the practical ranges of two-dimensional fabric are wider, can also be extended to three dimensional fabric field.
Description
Technical field
The invention belongs to field of textiles, a kind of two-dimentional knitted fabric with negative poisson's ratio performance, and its weaving relate to
Method.
Background technology
In daily life, the material seen by us is nearly all positive Poisson ratio material, such as rubber and cloth.These
Material is when being stretched, and it can narrow perpendicular to the size of draw direction；And negative poisson's ratio material and this contrast, they
When being stretched, the size perpendicular to draw direction can broaden.Negative poisson's ratio material is rarer, but possesses many better than just
(during material stress in same plane, equidirectional occurs for vertical direction for the performance of Poisson ratio material, such as bendability in the same direction
Bending).And the material in positive Poisson ratio material same plane occurs back-flexing in a direction stress bending and produced
Shape of a saddle effect.Above-mentioned property limits application of the positive Poisson ratio material in terms of the outdoor protective garment of weaving.The many bodies of human body
Body structure is all curved shape in the same direction, therefore the bending property in the same direction of negative poisson's ratio is highly useful.Answered when by negative poisson's ratio material
During the positions such as knee-pad, elbow support for outdoor protective garment, it can be formed as bending in the same direction occurs for the bending of knee and ancon
Dome shape, so makes protective garment motion get up more flexible.
Due to the special performance of negative poisson's ratio material, reported first since 1987 artificial synthesized negative poisson's ratio material with
Come, its artificial synthesized research has become a study hotspot of Material Field.In recent years, it is knitted with textile structural, particularly
Thing structure realizes that Negative poisson's ratio has also been paid close attention to by people.
US 2011/0046715A1 and WO 2009/002479A1 describe a series of warp knitted eyelet fabrics, these fabrics
In some there is Negative poisson's ratio, but these fabrics have than larger eyed structure, therefore it is special to may be only available for some
Different purposes, and cannot function as common fabric.In addition, the resilience of these fabrics is poor, negative poisson's ratio is imitated under stretching action repeatedly
It should can disappear, be difficult to return to original state after fabric distortion, therefore practical value is relatively low.
WO 2010/125397A1 describe another kind of warp-knitting negative poisson's ratio fabric.This kind fabric is by two kinds of modulus phases
The larger yarn of difference is formed, and wherein the relatively low yarn of modulus is used as ground tissue, and the higher yarn of modulus is used as weft-inserted yams, passed through
The structure that is formed based on indent quadrangle in ground tissue produces Negative poisson's ratio.This kind fabric edge is stretched through broadwise
When show relatively low Negative poisson's ratio just produced during positive effects of Poisson's ratio, only oblique extension, and Negative poisson's ratio
It can only be realized under less elongation strain and (be less than 10%).
US 2008/0011021A1 and WO 2008/016690A2 describe one similar with WO 2010/125397A1
Class warp-knitting negative poisson's ratio fabric.Based on the indent quadrangle that this kind fabric is formed by network of triangle ocular structure, form negative
Effects of Poisson's ratio, but similarly Negative poisson's ratio is not notable.
It can be seen that by above Patents, negative poisson's ratio fabric of the prior art is all based on warp-knitting structure and volume
Knit technology.The negative poisson's ratio weaving textile that is so made is difficult, and Negative poisson's ratio is not obvious, unstable, and this knits
The rebound performance of thing is poor, limits the application of this types of fabrics.
The content of the invention
The technical problem to be solved in the present invention is, strong for negative poisson's ratio fabric theoretical property of the prior art, realizes
Ability is weaker simple there is provided a kind of weaving process, easily realizes and the preferably two-dimentional knitted fabric of negative poisson's ratio effect.
The technical problem to be solved in the present invention is achieved by the following technical programs：A kind of two-dimentional negative poisson's ratio warp is provided
Braid, wherein, including traverse net organize and top layer Que Dian pillar stitches.
In above-mentioned two-dimentional negative poisson's ratio knitted fabric, there is zigzag broken line after metaplasia the traverse net
Structure.
In above-mentioned two-dimentional negative poisson's ratio knitted fabric, it is organized as warp knit typical mosquito net hexagonal the traverse net
Eyelet stitch structure.
In above-mentioned two-dimentional negative poisson's ratio knitted fabric, organize by rigidity larger chemical fibre group the traverse net
Into top layer Que Dian pillar stitches are formed by elastic preferably chemical fibre weaving.
According to another aspect of the present invention there is provided a kind of method for weaving of two-dimentional negative poisson's ratio knitted fabric, wherein, it is described
Method includes following technique：
Step S1：The rear normal braiding warp knit traverse net of two combs of tricot machine, is organized with forming fabric；
Step S2：Preceding comb completely pierces into the braiding that row lacks pad plus chaining, organizes stress irregular with making traverse net and occurs askew
Oblique rotational deformation.
In the method for weaving of above-mentioned two-dimentional negative poisson's ratio knitted fabric, the step S1 and step S2 are during braiding
It is simultaneous, in the absence of sequencing.
In the method for weaving of above-mentioned two-dimentional negative poisson's ratio knitted fabric, the three-dimensional mesh space fabric is by traverse net
Ground tissue and Que Dian pillar stitches are constituted, and organize by chemical fibre terylene, polypropylene fibre, aramid fiber, polyamide fibre the traverse net
One or more mixing weaving is formed, and the Que Dian pillar stitches are mixed by the one or more in terylene, polyamide fibre, polypropylene fibre, aramid fiber
Weaving is closed to form.
From above-mentioned technical proposal as can be seen that the two-dimentional negative poisson's ratio knitted fabric of the embodiment of the present invention is conventional fabric,
Extensively, manufacture method is easy, and low cost, realisation stronger for raw material washability.The two-dimentional negative poisson's ratio knitted fabric of the present invention
Negative poisson's ratio significantly, can reach -5.
Brief description of the drawings
The present invention is described in further detail below with reference to the drawings and specific embodiments.In accompanying drawing：
Fig. 1 is to be stretched front and rear deformation schematic diagram according to the two-dimentional negative poisson's ratio knitted fabric of the present invention；
Fig. 2 is the coil structure organized of the traverse net of the two-dimentional negative poisson's ratio knitted fabric of present invention ground.
Embodiment：
The present invention is described in further detail below with reference to the drawings and specific embodiments, it should be understood that herein
Specific embodiment be only used for task of explanation, without making any limitation to the present invention.
Figures 1 and 2 show that the deformation principle of the two-dimentional negative poisson's ratio knitted fabric formation Negative poisson's ratio of the present invention
The weaving method organized with traverse net.
In a particular embodiment, the method for weaving of two-dimentional negative poisson's ratio knitted fabric of the invention comprises the following steps：
Step 1：From tricot machine type；
Tricot machine used need at least have three sley bar, and with multi-speed let-off mechanism.
Step 2：From yarn material；
Organize by one or more of mixing weavings in chemical fibre terylene, polypropylene fibre, aramid fiber, polyamide fibre the traverse net
Form, the Que Dian pillar stitches are formed by one or more of mixing weavings in terylene, polyamide fibre, polypropylene fibre, aramid fiber.Thickness of yarn
Depending on the machine number of selected type.
Step 3：Weaved.
The weaving of traverse net is organized using tissue as shown in Figure 1 with carrying out, on this basis, sley bar is completely worn with one
Make the chaining band yarn motion that part lacks pad, while adjusting the warp let-off of scarce pad part and chaining part respectively using multi-speed let-off motion
Amount so that ground be organized in stress it is irregular in the case of produce distressed structure as shown in Figure 2.
Claims (5)
1. a kind of two-dimentional negative poisson's ratio knitted fabric, it is characterised in that fabric is added on the basis of being organized in warp knit traverse net
One carries out part preceding comb lacks the pillar stitch of pad and weaves；The change of warp run-in with making fabric traverse net group during by weaving
Generation zigzag or so diagonal distortion is knitted, so as to form Negative poisson's ratio；
The method for weaving of the two-dimentional negative poisson's ratio knitted fabric, including following technique：
Step S1：The rear normal braiding warp knit traverse net of two combs of tricot machine, is organized with forming fabric；
Step S2：Preceding comb completely pierces into the braiding that row lacks pad plus chaining, organizes stress irregular with making traverse net and occurs crooked rotation
Change shape.
2. two-dimentional negative poisson's ratio knitted fabric according to claim 1, it is characterised in that the work of tissue is combed before being organized in ground
Left and right diagonal distortion is generated under, zigzag repeat unit structure is formed.
3. two-dimentional negative poisson's ratio knitted fabric according to claim 1, it is characterised in that organize describedly by terylene, third
One or more of mixing weavings in these chemical fibres of synthetic fibre, aramid fiber are formed, and the Que Dian pillar stitches are by chemical fibre terylene, third
One or more of mixing weavings in synthetic fibre, aramid fiber are formed.
4. two-dimentional negative poisson's ratio knitted fabric according to claim 1, it is characterised in that the part of preceding comb lacks pad part and compiled
The tissue of chain need to carry out the segmentation warp let-off with ground tissue.
5. two-dimentional negative poisson's ratio warp knitted eyelet fabric according to claim 1, it is characterised in that the part chaining of preceding comb is
1 pin chaining or 2 pin chainings.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510392498.5A CN104911804B (en) | 2015-07-06 | 2015-07-06 | A kind of two-dimentional knitted fabric of negative poisson's ratio and its method for weaving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510392498.5A CN104911804B (en) | 2015-07-06 | 2015-07-06 | A kind of two-dimentional knitted fabric of negative poisson's ratio and its method for weaving |
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| Publication Number | Publication Date |
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| CN104911804A CN104911804A (en) | 2015-09-16 |
| CN104911804B true CN104911804B (en) | 2017-07-14 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105754267B (en) * | 2016-03-08 | 2017-09-29 | 中国人民解放军海军工程大学 | A kind of preparation method of the magnetorheological materials with negative Poisson characteristics |
| CN106012271B (en) * | 2016-08-03 | 2017-08-25 | 江南大学 | A kind of preparation method with Negative poisson's ratio warp-knitted spacer fabric |
| CN109646183B (en) * | 2017-10-12 | 2021-02-09 | 北京航空航天大学 | Motion sticking cloth with nonlinear gradient biomechanical characteristics |
| CN108570758B (en) * | 2018-04-13 | 2020-10-16 | 香港理工大学 | Method for manufacturing negative Poisson ratio warp knitted fabric |
| CN110172748A (en) * | 2019-05-21 | 2019-08-27 | 浙江医药高等专科学校 | A kind of antimicrobial form polypropylene monofilament fiber and preparation method thereof with auxetic performance |
| CN110947882B (en) * | 2019-12-09 | 2020-10-16 | 西北有色金属研究院 | Wire mesh with high negative Poisson ratio effect and preparation method thereof |
| CN114801376A (en) * | 2022-05-25 | 2022-07-29 | 江苏省纺织研究所股份有限公司 | Anti-explosion composite fabric with good coating property |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1960871A1 (en) * | 1968-12-06 | 1970-10-08 | Schlafhorst & Co W | Warp knitting machine |
| DE4138255C1 (en) * | 1991-11-21 | 1993-01-28 | Karl Mayer Textilmaschinenfabrik Gmbh, 6053 Obertshausen, De | |
| GB9905145D0 (en) * | 1999-03-06 | 1999-04-28 | Bolton Inst Higher Education | Auxetic materials |
| US20080011021A1 (en) * | 2006-06-27 | 2008-01-17 | Hbi Branded Apparel Enterprises, Llc. | Fabrics having knit structures exhibiting auxetic properties and garments formed thereby |
| US8772187B2 (en) * | 2007-06-21 | 2014-07-08 | University Of Massachusetts | Auxetic fabric structures and related fabrication methods |
| WO2010125397A1 (en) * | 2009-05-01 | 2010-11-04 | Global Composites Group | Auxetic knitted fabric |
| CN103287025B (en) * | 2012-02-28 | 2015-12-02 | 香港纺织及成衣研发中心有限公司 | A kind of three-dimensional negative poisson ' s ratio knitted spaced fabric and preparation method thereof |
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