CN110938933A - Fiber product with shape memory function and preparation method thereof - Google Patents
Fiber product with shape memory function and preparation method thereof Download PDFInfo
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- CN110938933A CN110938933A CN201911381904.2A CN201911381904A CN110938933A CN 110938933 A CN110938933 A CN 110938933A CN 201911381904 A CN201911381904 A CN 201911381904A CN 110938933 A CN110938933 A CN 110938933A
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- fibrous product
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- 230000006386 memory function Effects 0.000 title claims abstract description 23
- 239000000835 fiber Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 239000004744 fabric Substances 0.000 claims abstract description 61
- 238000000034 method Methods 0.000 claims abstract description 16
- 230000008569 process Effects 0.000 claims abstract description 14
- 238000009940 knitting Methods 0.000 claims description 30
- 238000003780 insertion Methods 0.000 claims description 13
- 230000037431 insertion Effects 0.000 claims description 13
- 238000010586 diagram Methods 0.000 claims description 7
- 238000009941 weaving Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 27
- 239000000463 material Substances 0.000 description 4
- 239000012781 shape memory material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000010409 ironing Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Of Fabric (AREA)
Abstract
The invention discloses a fiber product with a shape memory function and a preparation method thereof. The shape memory fabric is independently introduced into the double-layer fabric in the shape memory area of the fiber product to form a fluffy cavity structure, and the shape memory fabric is not arranged in the general area, so that the using amount of the shape memory yarn is saved, the wearability is improved, and the thickness of the general area is not influenced; the thickness of the cavity structure in the raised area can be increased by fixing the shape memory fabric and the double-layer fabric through tuck tissues, the three-dimensional effect is more obvious, and the heat retention property and the impact resistance are enhanced; the preparation method of the invention greatly shortens the process flow, improves the production efficiency, and can be applied to shaped clothes, bedding, shoes and the like with local shape memory function.
Description
Technical Field
The invention relates to a fiber product and a preparation method thereof, in particular to a fiber product with a shape memory function and a preparation method thereof, and belongs to the technical field of flat knitting.
Background
The shape memory material is an important intelligent material, and is characterized by having a certain initial shape, being capable of sensing the change of specific external conditions (such as external stimulation of temperature, chemistry, force, light, magnetism or electricity and the like) after being deformed and fixed into another shape, responding to the change, and adjusting mechanical parameters (such as shape, position, strain and the like) of the shape memory material, so that the shape memory material can be restored to the initial state, can be applied to clothes such as the back, the elbow, the knee, the abdomen, the hip, insoles and the like, and has a plurality of excellent performances such as non-ironing finishing, shape keeping property, insulativity, warmth retention, moisture permeability, wrinkle resistance, impact resistance, attractive appearance, decoration and the like.
The traditional memory material is applied to the textile field and mainly comprises three types of shape memory yarns, shape memory chemicals and shape memory fabrics, wherein the first type of shape memory yarn is directly used as knitting yarn and is contacted with the skin of a human body to influence the wearability; the second shape memory chemical is compounded with the fabric through after-finishing and is composed of multiple layers of materials, so that the process is complex, time and labor are consumed, and the durability and the environmental friendliness are poor; the third shape memory fabric, a waterproof and breathable jacket, a mountaineering wear and the like are obtained by commonly using functional coatings and functional finishing, the finishing still needs a chemical mode, the application range is narrow, and the three modes can not be formed and woven into a composite ergonomic material with a memory function and can not adapt to the development of the current situation.
In the prior art, a braided fabric with local protrusions comprises an upper layer of fabric, a lower layer of fabric and weft insertion filled in the middle of the upper layer of fabric and the lower layer of fabric; when the upper layer fabric, the weft insertion and the lower layer fabric are directly woven, a flat area can be formed; when the upper and lower layers of fabric are knitted separately and not joined, the inlay weft forms a local protrusion therein, and such knitted fabric can be made into bedding (such as summer quilt), and also shaped clothing or socks and shoes.
Disclosure of Invention
The purpose of the invention is as follows: the first purpose of the invention is to provide a fiber product with shape memory function, which saves the dosage of shape memory yarn, improves the wearability and does not influence the thickness of a general area; the second purpose of the invention is to provide a preparation method of the fiber product with the shape memory function.
The technical scheme is as follows: the fiber product with the shape memory function comprises a general area and a shape memory area, wherein the shape memory area is a cavity structure consisting of a double-layer fabric and the shape memory fabric positioned in the middle of the double-layer fabric, and meanwhile, the shape memory fabric is only arranged in the shape memory area.
Preferably, the shape memory fabric is a weft insertion weave.
Furthermore, the shape memory fabric and the double-layer fabric are fixedly connected through tuck stitches, so that the thickness of the cavity structure of the protruding area can be increased, and meanwhile, the firmness between the shape memory fabric and the double-layer fabric is improved.
Preferably, the shape memory area is connected with the general area through an intarsia structure, so that the dosage of the shape memory yarn is saved, the thickness of the general area is not influenced, and the wearability is improved.
In the invention, the shape memory fabric is formed by weaving bulked yarns or elastic yarns, and can also be formed by weaving the bulked yarns and the elastic yarns in a mixed mode.
Preferably, the general area of the fibrous article is a flat area of a single, double or multiple layer fabric. Further, the general region and the shape memory region may be disposed at intervals.
The textile product of the present invention can be knitted by a flat knitting machine having at least one pair of needle beds disposed in front and rear opposition to each other and extending in the left-right direction, the flat knitting machine being provided with a plurality of yarn guides which are independently fed and are freely movable in the horizontal and vertical directions.
Preferably, the shape memory yarn and the knitting yarn are fed to the yarn guide corresponding to the shape memory area on the flat knitting machine, and the knitting yarn is fed to the yarn guide corresponding to the general area.
The invention relates to a preparation method of a fiber product with a shape memory function, which comprises the following steps:
(1) performing process calculation according to the region which needs shape memory locally;
(2) drawing a plate-making color block diagram according to the process calculation result;
(3) determining the number of yarn mouths according to the number of the shape memory areas in the same line, and defining the organizational meaning of the platemaking color lump graph;
(4) setting different sections, setting corresponding yarn ring length/degree, tension, speed and other parameters by different tissues;
(5) exporting the computer-on file, and weaving on a computer.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: firstly, the shape memory fabric is separately introduced into the double-layer fabric in the shape memory area of the fiber product to form a fluffy cavity structure, and the shape memory fabric is not arranged in the general area, so that the using amount of the shape memory yarn is saved, the wearability is improved, and the thickness of the general area is not influenced; secondly, the thickness of the cavity structure of the protruding area can be increased by fixing the shape memory fabric and the double-layer fabric through tuck stitch, the three-dimensional effect is more obvious, the heat retention property and the impact resistance are enhanced, meanwhile, the firmness between the shape memory fabric and the double-layer fabric is improved, and tuck arcs of the shape memory yarns are exposed on the front side, so that the effect and the concave-convex feeling of patterns are increased; furthermore, the shape memory area and the general area are integrally woven into the forming fabric in an intarsia mode, the local memory function area is raised, and the memory fiber material is not in direct contact with the human body between the front and back tissues, so that the use safety is improved; finally, the preparation method greatly shortens the process flow, improves the production efficiency, and can be applied to shaped clothes, bedding, shoes and the like with local shape memory function.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic representation of the backside of the fabric of the present invention;
FIG. 3 is a weave diagram of the front and rear tuck air layer weave of the shape memory region of the present invention;
FIG. 4 is a weave diagram of a generic area of the present invention;
FIG. 5 is a cross-sectional view of the shape memory region yarn distribution of the present invention;
FIG. 6 is a schematic illustration of the nozzle allocation of the general area and shape memory area fabric applique structure of the present invention;
FIG. 7 is a schematic backside view of the woven fabric of FIG. 6;
figure 8 is a cross-sectional view of the yarn distribution of the woven fabric of figure 6.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
The applicant has studied and found that prior art fabrics with local protrusions are padded with weft inserted yarns in all areas, except that the front and back stitches are not connected in the shape memory area, i.e. the double layer fabric is knitted separately, with a cavity in the middle, while the general area (usually the flat area) front and back stitches are connected, i.e. the double layer fabric is knitted together with the weft inserted. Therefore, not only is a great deal of weft insertion yarns wasted, but also the thickness is increased in a general area due to the existence of weft insertion tissues, and meanwhile, the flatness is also influenced; meanwhile, because the fixing mode of the weft insertion is to stitch the front needle bed and the rear needle bed by front and rear yarns, the thickness of the weft insertion influences the front and rear stitch formation during weaving, and the weft insertion still slides between the stitch gaps between the front layer and the rear layer along with the increase of the wearing time, so that the fixing fastness is poor.
As shown in fig. 2, the present invention provides a fiber product with shape memory function, such as a back of a garment, comprising a general area 100 and a shape memory area 200. The shape memory area 200 is convex, the yarn with the shape memory function is placed between the front and back double-sided tissues to form a fluffy cavity, and the shape memory fabric is preferably a weft insertion tissue. Preferably, the shape memory fabric is woven by bulked yarns or elastic yarns, and can also be woven by mixing the bulked yarns and the elastic yarns.
As shown in fig. 3, the shape memory area 200 is a cavity structure composed of a double-layer fabric and a shape memory fabric located in the middle of the double-layer fabric, wherein a first yarn nozzle 1 feeds a first knitting yarn 201, a third yarn nozzle 3 feeds a second knitting yarn 203 for respectively knitting a surface layer and a bottom layer of an air layer, and a second yarn nozzle 2 feeds a first shape memory yarn 202 for knitting a memory yarn weft-inserted structure.
As shown in fig. 4, the general area is only a double-layer fabric, but the general area 100 may be a flat area of a single-layer or multi-layer fabric, or the like. Meanwhile, the shape memory fabric is provided only in the shape memory region 200, not in the general region 100, thereby being distinguished from the prior art.
As shown in figure 5, in order to fix the shape of the shape memory area and avoid slippage of weft insertion yarns along with increase of the taking time, the shape memory fabric and the double-layer fabric are fixedly connected through tuck stitches, front tuck points and rear tuck points, namely the front tuck 205 and the rear tuck 206, are regularly designed to fix weft insertion yarns, and compared with front and rear loop-forming stitches, the application of the tuck stitches has better bulkiness and fixity to weft insertion and has more three-dimensional shape.
In the present invention, a textile product is knitted by a flat knitting machine having at least one pair of needle beds disposed in front and rear opposition to each other and extending in the left-right direction, and the flat knitting machine is provided with a plurality of yarn guides which are independently fed and are freely movable in the horizontal and vertical directions. The yarn guides of the flat knitting machine corresponding to the shape memory area 200 feed the shape memory yarn and the knitting yarn, respectively, and the yarn guides corresponding to the general area 100 feed the knitting yarn.
Fig. 6 is a sectional view of a fabric yarn nozzle partially provided with a plurality of shape memory functional areas, wherein the shape memory area 200 is connected with the general area 100 through an intarsia structure, and the general area 100 and the shape memory area 200 are arranged at intervals. Since the weft-inserted yarn having the shape memory function is introduced only in the shape memory function area, a plurality of nozzles are required for a plurality of function areas, the weft-inserted yarn having the shape memory function is fed to the second nozzle 2 and the fourth nozzle 4 and is introduced only in the shape memory area 200, the first knitting yarn 201 and the second knitting yarn 203 are knitted in all areas (the general area 100 and the shape memory area 200), the cross-sectional view of which is shown in fig. 8, and since the first shape memory yarn 202 and the second shape memory yarn 204 are between the front and back side yarns, i.e., the first knitting yarn 201 and the second knitting yarn 203, and do not directly contact with the human body, and do not affect wearability, the knitting is shown in fig. 7.
As shown in fig. 1, the process flow of the present invention comprises: the method comprises the steps of firstly setting areas needing shape memory according to human engineering, then carrying out process calculation according to a design drawing, wherein the process calculation is divided into two parts, namely garment outer contour process calculation and inner shape memory area contour process calculation, the number of inner shape memory areas determines the number of required yarn mouths, drawing a color block diagram according to the process calculation result, defining an organization structure by using a small diagram, adopting an air layer structure and a lining weft structure in the memory areas, and distinguishing the yarn mouths, the density, the tension, the speed and the like of different organizations by using functional lines, so that the smooth weaving on a loom is facilitated.
Example (b):
experimental equipment and experimental raw materials were determined using a 12-needle double-needle bed computerized flat knitting machine having a freely movable nozzle in horizontal and vertical directions, using a first knitting yarn 201 of 2/48NM 50% wool 50% acrylic, a second knitting yarn 203 of 150D 100% polyester filament, and a first shape memory yarn 202 and a second shape memory yarn 204 of 1/9.5NM 100% polyester staple. A fiber product with a local shape memory function is designed, as shown in figure 2, the back of the fiber product is a schematic view, the back plate is designed to comprise two functional areas with shape memory according to the human engineering, namely shape memory areas 200 which are respectively distributed at the left side and the right side of the back and can support the back vertebra so as to play a role in protecting, and the other areas are areas without the shape memory function, namely a general area 100. The size of the M code is set as that the chest circumference is 47 cm, the body length is 64 cm, the sleeve length is 79 cm, the collar width is 18 cm, the front collar depth is 7 cm, the sleeve width is 15.2 cm, the shoulder hanging is 23.2 cm, the sleeve opening width is 8 cm, the lap width is 44 cm, and the back collar depth is 2 cm.
The fiber product has the memory function locally, the local memory area and other clothing areas are integrally formed and woven, the memory yarn is only woven in the local memory area, the memory function area is raised to have the three-dimensional appearance, and the fiber product has a plurality of excellent performances such as non-ironing finishing, shape keeping property, insulating property, heat retention property, moisture vapor permeability, wrinkle resistance, impact resistance, attractive appearance, decoration and the like.
Claims (10)
1. A fibrous product having a shape memory function, comprising a general region (100) and a shape memory region (200), characterized in that: the shape memory area (200) is a cavity structure formed by double-layer fabrics and the shape memory fabrics positioned in the middle of the double-layer fabrics, and meanwhile, the shape memory fabrics are only arranged in the shape memory area (200).
2. A fibrous product according to claim 1, characterized in that: the shape memory fabric is a weft insertion weave.
3. A fibrous product according to claim 1, characterized in that: the shape memory fabric and the double-layer fabric are fixedly connected through tuck stitches.
4. A fibrous product according to claim 1, characterized in that: the shape memory region (200) is connected to the general region (100) by an intarsia construction.
5. A fibrous product according to claim 1, characterized in that: the shape memory fabric is woven from bulked yarns and/or elastic yarns.
6. A fibrous product according to claim 1, characterized in that: the general area (100) is a flat area of single, double or multiple layer fabric.
7. A fibrous product according to claim 1, characterized in that: the general region (100) and the shape memory region (200) are spaced apart.
8. A fibrous product according to claim 1, characterized in that: the fiber product is knitted by a flat knitting machine, the flat knitting machine is provided with at least one pair of needle beds which are arranged in a front-back direction and extend in a left-right direction, and the flat knitting machine is provided with a plurality of yarn guides which are positioned in a horizontal direction and a vertical direction, can freely move and independently feed yarns.
9. A fibrous product according to claim 1, characterized in that: the yarn guide corresponding to the shape memory area (200) on the flat knitting machine is respectively fed with shape memory yarns and knitting yarns, and the yarn guide corresponding to the general area (100) is fed with knitting yarns.
10. A method for preparing a fibrous product having a shape memory function according to claim 1, comprising the steps of:
(1) performing process calculation according to the region which needs shape memory locally;
(2) drawing a plate-making color block diagram according to the process calculation result;
(3) determining the number of yarn mouths according to the number of the shape memory areas in the same line, and defining the organizational meaning of the platemaking color lump graph;
(4) setting different sections, setting corresponding yarn ring length/degree, tension, speed and other parameters by different tissues;
(5) exporting the computer-on file, and weaving on a computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911381904.2A CN110938933A (en) | 2019-12-27 | 2019-12-27 | Fiber product with shape memory function and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911381904.2A CN110938933A (en) | 2019-12-27 | 2019-12-27 | Fiber product with shape memory function and preparation method thereof |
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| Publication Number | Publication Date |
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| CN110938933A true CN110938933A (en) | 2020-03-31 |
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| CN201911381904.2A Pending CN110938933A (en) | 2019-12-27 | 2019-12-27 | Fiber product with shape memory function and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485319A (en) * | 2020-04-23 | 2020-08-04 | 福建华峰新材料有限公司 | Warm-keeping and breathable weft-knitted fabric and production method thereof |
| CN112725996A (en) * | 2020-12-21 | 2021-04-30 | 王文优 | Preparation method of self-locking type anti-slip bra |
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2019
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Cited By (2)
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| CN111485319A (en) * | 2020-04-23 | 2020-08-04 | 福建华峰新材料有限公司 | Warm-keeping and breathable weft-knitted fabric and production method thereof |
| CN112725996A (en) * | 2020-12-21 | 2021-04-30 | 王文优 | Preparation method of self-locking type anti-slip bra |
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