CN215251361U - Skin-core composite monofilament structure based on PBT/PA6 and vamp fabric - Google Patents
Skin-core composite monofilament structure based on PBT/PA6 and vamp fabric Download PDFInfo
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- CN215251361U CN215251361U CN202023343246.9U CN202023343246U CN215251361U CN 215251361 U CN215251361 U CN 215251361U CN 202023343246 U CN202023343246 U CN 202023343246U CN 215251361 U CN215251361 U CN 215251361U
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Abstract
The utility model relates to the field of fibers, in particular to a skin-core composite monofilament structure based on PBT/PA6 and a vamp fabric, wherein the cross section of the skin-core composite monofilament based on PBT/PA6 is of a skin-core structure; the skin-core structure comprises a core layer, a middle layer and a skin layer which are arranged from inside to outside in sequence; the middle layer completely surrounds the core layer, and the core layer is positioned in the center of the middle layer; the skin layer completely surrounds the middle layer, and the middle layer is positioned in the center of the skin layer; the middle layer is bisphenol A epoxy resin; the skin layer is PBT, and the core layer is PA 6; or the skin layer is PA6, and the core layer is PBT. The utility model discloses utilize bisphenol A epoxy to improve PBT and PA 6's compatibility, overcome the incompatible problem of cortex (PBT) and sandwich layer (PA6), reduced the risk that cortex and sandwich layer peeled off to the life of the compound monofilament of skin core based on PBT/PA6 has been prolonged. The sheath-core composite monofilament based on the PBT/PA6 has proper rigidity, soft hand feeling and colorability, and is particularly suitable for manufacturing comfortable vamp fabrics.
Description
Technical Field
The utility model relates to the technical field of fiber, especially, relate to a skin-core composite monofilament structure and vamp fabric based on PBT/PA 6.
Background
The composite monofilament fiber based on the PBT/PA6 is a common textile fabric and can be used for manufacturing school uniforms for students. Because of poor compatibility of the PBT material and the PA6 material, the peel phenomenon is easy to occur at the joint of the skin layer and the core layer of the prepared PBT/PA6 composite monofilament fiber.
SUMMERY OF THE UTILITY MODEL
The composite monofilament fiber based on the PBT/PA6 is a common textile fabric and can be used for manufacturing school uniforms for students. Because of poor compatibility of the PBT material and the PA6 material, the peel phenomenon is easy to occur at the joint of the skin layer and the core layer of the prepared PBT/PA6 composite monofilament fiber.
To the above technical problem, the utility model provides a technical scheme does:
the utility model provides a skin-core composite monofilament structure based on PBT/PA6, the cross section of the skin-core composite monofilament based on PBT/PA6 is a skin-core structure; the skin-core structure comprises a core layer, a middle layer and a skin layer which are sequentially arranged from inside to outside; the intermediate layer completely surrounds the core layer, and the core layer is located in the center of the intermediate layer; the skin layer completely surrounds the intermediate layer, and the intermediate layer is positioned in the center of the skin layer; the middle layer is bisphenol A epoxy resin; the skin layer is PBT, and the core layer is PA 6; or the skin layer is PA6, and the core layer is PBT.
Furthermore, the core layer extends outwards along the circumferential direction to form a plurality of first arc-shaped convex parts, and the core layer is inwards sunken along the radial direction to form a plurality of first arc-shaped concave parts; the first arc-shaped protruding portions and the first arc-shaped recessed portions are arranged in a crossed mode at intervals to form the periphery of the core layer in a surrounding mode, and the adjacent first arc-shaped protruding portions and the first arc-shaped recessed portions are arranged in a tangent mode.
Furthermore, the outer ring of the middle layer extends outwards along the circumferential direction to form a plurality of second arc-shaped convex parts, and the outer ring of the middle layer is inwards sunken along the radial direction to form a plurality of second arc-shaped concave parts; the second arc-shaped convex parts and the second arc-shaped concave parts are arranged in a crossed mode at intervals to form the periphery of the middle layer in a surrounding mode, and the adjacent second arc-shaped convex parts and the second arc-shaped concave parts are arranged in a tangent mode.
Further, the outer ring of the skin layer is of a circular structure.
Further, the area of the core layer: area of the intermediate layer: the ratio of the areas of the skin layers is 10:1: 10.
The utility model also provides a garment materials, including foretell sheath-core compound monofilament structure based on PBT/PA6 formed the fibrous layer.
The utility model has the advantages of or beneficial effect:
the utility model provides a skin-core composite monofilament structure based on PBT/PA6, because the intermediate level surrounds the sandwich layer completely, the skin surrounds the intermediate level completely, make and pass through the intermediate level between skin and the sandwich layer, utilize bisphenol A epoxy to improve PBT and PA 6's compatibility, the incompatible problem of skin (PBT) and sandwich layer (PA6) has been overcome, the skin (PBT) of the composite monofilament fiber of PBT/PA6 who makes and sandwich layer (PA6) combine the integral type structure through intermediate level (bisphenol A epoxy), it is inseparable to combine, the risk that the skin peeled off with the sandwich layer has been reduced, thereby the life of skin-core composite monofilament based on PBT/PA6 has been prolonged. The sheath-core composite monofilament based on the PBT/PA6 has proper rigidity, soft hand feeling and colorability, and is particularly suitable for manufacturing comfortable vamp fabrics.
Drawings
The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 is a schematic cross-sectional structure diagram of a sheath-core composite monofilament based on PBT/PA6 provided in embodiments 1 and 2 of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
As the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientation or positional relationship is based on that shown in the drawings, merely for convenience in describing the invention and simplifying the description, and does not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
The appearances of the terms first, second, and third, if any, are used for descriptive purposes only and are not intended to be limiting or imply relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention are described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
The composite monofilament fiber based on the PBT/PA6 is a common textile fabric and can be used for manufacturing school uniforms for students. Because of poor compatibility of the PBT material and the PA6 material, the peel phenomenon is easy to occur at the joint of the skin layer and the core layer of the prepared PBT/PA6 composite monofilament fiber.
In view of the above technical problems, embodiment 1 provides a sheath-core composite monofilament 01 structure based on PBT/PA6, as shown in fig. 1, the cross section of the sheath-core composite monofilament 01 based on PBT/PA6 is a sheath-core structure; the skin-core structure comprises a core layer 1, a middle layer 2 and a skin layer 3 which are arranged from inside to outside in sequence; the middle layer 2 completely surrounds the core layer 1, and the core layer 1 is positioned in the center of the middle layer 2; the skin layer 3 completely surrounds the intermediate layer 2, and the intermediate layer 2 is positioned in the center of the skin layer 3; the middle layer 2 is bisphenol A epoxy resin; the skin layer 3 is PBT and the core layer 1 is PA 6.
The PBT/PA 6-based sheath-core composite monofilament 01 can be processed and produced by a melt spinning method, and the PBT/PA 6-based sheath-core composite monofilament 01 shown in figure 1 can be obtained by designing the shape of a spinneret plate in a spinning box.
Because the middle layer 2 completely surrounds the core layer 1, the skin layer 3 completely surrounds the middle layer 2, the skin layer 3 and the core layer are transited through the middle layer 2, the compatibility of PBT and PA6 is improved by using bisphenol A epoxy resin (EP-0199), the incompatibility problem of the skin layer 3(PBT) and the core layer 1(PA6) is solved, the skin layer 3(PBT) and the core layer 1(PA6) of the prepared PBT/PA6 composite monofilament fiber 01 are combined into an integrated structure through the middle layer 2 (bisphenol A epoxy resin), the combination is tight, the risk of peeling the skin layer 3 and the core layer 1 is reduced, and the service life of the PBT/PA 6-based skin-core composite monofilament 01 is prolonged.
The sheath-core composite monofilament 01 based on the PBT/PA6 has proper rigidity, soft hand feeling and colorability, and is particularly suitable for manufacturing comfortable vamp fabrics.
Example 2
Similarly, example 2 provides a sheath-core composite monofilament 01 structure based on PBT/PA6, as shown in fig. 1, the sheath-core composite monofilament based on PBT/PA6, wherein the cross section of 01 is of a sheath-core structure; the skin-core structure comprises a core layer 1, a middle layer 2 and a skin layer 3 which are arranged from inside to outside in sequence; the middle layer 2 completely surrounds the core layer 1, and the core layer 1 is positioned in the center of the middle layer 2; the skin layer 3 completely surrounds the intermediate layer 2, and the intermediate layer 2 is positioned in the center of the skin layer 3; the middle layer 2 is bisphenol A epoxy resin; the skin layer 3 is PA6 and the core layer 1 is PBT.
Because the middle layer 2 completely surrounds the core layer 1, the skin layer 3 completely surrounds the middle layer 2, so that the skin layer 3 and the core layer are transited through the middle layer 2, the compatibility of PBT and PA6 is improved by using bisphenol A epoxy resin (EP-0199), the incompatibility problem of the skin layer 3(PA6) and the core layer 1(PBT) is overcome, the skin layer 3(PA6) and the core layer 1(PBT) of the prepared PBT/PA6 composite monofilament fiber 01 are combined into an integrated structure through the middle layer 2 (bisphenol A epoxy resin), the combination is tight, the risk of peeling the skin layer 3 and the core layer 1 is reduced, and the service life of the PBT/PA 6-based skin-core composite monofilament 01 is prolonged.
The sheath-core composite monofilament 01 based on the PBT/PA6 has proper rigidity, soft hand feeling and colorability, and is particularly suitable for manufacturing comfortable vamp fabrics.
In order to further enhance the bonding firmness degree of the core layer and the intermediate layer, further, the core layer 1 extends outwards along the circumferential direction to form a plurality of first arc-shaped convex parts 10, as shown in fig. 1, the core layer 1 is inwards recessed along the radial direction to form a plurality of first arc-shaped concave parts 11; the first arc-shaped protrusions 10 and the first arc-shaped recesses 11 are arranged at intervals in a crossed manner to surround the periphery of the core layer 1, and the adjacent first arc-shaped protrusions 10 and the first arc-shaped recesses 11 are arranged in a tangent manner. Through the structure, the contact area between the inner rings of the core layer 1 and the middle layer 2 is greatly increased, so that the bonding firmness degree of the core layer 1 and the middle layer 2 is further enhanced. The first arc-shaped convex part 10 and the first arc-shaped concave part 11 are arc-shaped, and the adjacent first arc-shaped convex part 10 and the first arc-shaped concave part 11 are arranged in a tangent mode, so that the yarn discharging uniformity during melt spinning is improved, and compared with a linear bevel-shaped structure, the risk of cavities at corners is reduced.
In order to further enhance the bonding firmness degree of the skin layer and the middle layer, further, as shown in fig. 1, the outer ring of the middle layer 2 extends outwards along the circumferential direction thereof to form a plurality of second arc-shaped convex parts 20, and the outer ring of the middle layer 2 is inwards recessed along the radial direction thereof to form a plurality of second arc-shaped concave parts 21; the second arc-shaped convex parts 20 and the second arc-shaped concave parts 21 are arranged at intervals in a crossed manner to enclose the periphery of the middle layer 2, and the adjacent second arc-shaped convex parts 20 and the second arc-shaped concave parts 21 are arranged in a tangent manner. Through above-mentioned structure, greatly increased the area of contact between cortex 3 and 2 inner circles in intermediate level to the firm degree of combination of cortex 3 with intermediate level 2 has further been strengthened. The second arc-shaped convex part 20 and the second arc-shaped concave part 21 are arc-shaped, and the adjacent second arc-shaped convex part 20 and the second arc-shaped concave part 21 are arranged in a tangent mode, so that the yarn discharging uniformity in melt spinning is improved, and compared with a linear bevel-shaped structure, the risk of cavities at corners is reduced.
Further, as shown in fig. 1, the outer ring of the skin layer 3 has a circular structure.
When the area of the core layer 1 is tested: area of intermediate layer 2: when the ratio of the area of the skin layer 3 is 10:1:10, the composite performance of the skin-core composite monofilament 01 based on PBT/PA6 is best, specifically, the tensile strength of the monofilament is 6.0cN/dtex, the modulus is 70cN/dtex, the elongation at break is 20 +/-5%, and the boiling water shrinkage is 15 +/-0.5%.
Example 2
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structural changes made by the contents of the specification and the drawings, or the direct or indirect application in other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (6)
1. The sheath-core composite monofilament structure based on PBT/PA6 is characterized in that the cross section of the sheath-core composite monofilament based on PBT/PA6 is of a sheath-core structure; the skin-core structure comprises a core layer, a middle layer and a skin layer which are sequentially arranged from inside to outside; the intermediate layer completely surrounds the core layer, and the core layer is located in the center of the intermediate layer; the skin layer completely surrounds the intermediate layer, and the intermediate layer is positioned in the center of the skin layer; the middle layer is bisphenol A epoxy resin;
the skin layer is PBT, and the core layer is PA 6; or the skin layer is PA6, and the core layer is PBT.
2. The sheath-core composite monofilament structure based on PBT/PA6 as claimed in claim 1, wherein the core layer extends outwards along its circumference to form a plurality of first arc-shaped protrusions, and the core layer is recessed inwards along its radial direction to form a plurality of first arc-shaped recesses; the first arc-shaped protruding portions and the first arc-shaped recessed portions are arranged in a crossed mode at intervals to form the periphery of the core layer in a surrounding mode, and the adjacent first arc-shaped protruding portions and the first arc-shaped recessed portions are arranged in a tangent mode.
3. The sheath-core composite monofilament structure based on PBT/PA6 as claimed in claim 1 or 2, wherein the outer ring of the intermediate layer extends outwards along the circumferential direction to form a plurality of second arc-shaped protrusions, and the outer ring of the intermediate layer is recessed inwards along the radial direction to form a plurality of second arc-shaped recesses; the second arc-shaped convex parts and the second arc-shaped concave parts are arranged in a crossed mode at intervals to form the periphery of the middle layer in a surrounding mode, and the adjacent second arc-shaped convex parts and the second arc-shaped concave parts are arranged in a tangent mode.
4. The sheath-core composite monofilament structure based on PBT/PA6, according to claim 3, wherein the outer ring of the sheath layer is of a circular structure.
5. The PBT/PA 6-based skin-core composite monofilament structure according to claim 1, wherein the area of the core layer: area of the intermediate layer: the ratio of the areas of the skin layers is 10:1: 10.
6. An upper fabric, characterized by comprising a fiber layer formed by the sheath-core composite monofilament structure based on PBT/PA6 in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023343246.9U CN215251361U (en) | 2020-12-30 | 2020-12-30 | Skin-core composite monofilament structure based on PBT/PA6 and vamp fabric |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023343246.9U CN215251361U (en) | 2020-12-30 | 2020-12-30 | Skin-core composite monofilament structure based on PBT/PA6 and vamp fabric |
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| CN215251361U true CN215251361U (en) | 2021-12-21 |
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| CN202023343246.9U Active CN215251361U (en) | 2020-12-30 | 2020-12-30 | Skin-core composite monofilament structure based on PBT/PA6 and vamp fabric |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116024698A (en) * | 2023-02-10 | 2023-04-28 | 无锡盛烨特邦新材料科技有限公司 | Three-layer co-extrusion multi-layer sheath-core untwisted composite filament, and production method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116024698A (en) * | 2023-02-10 | 2023-04-28 | 无锡盛烨特邦新材料科技有限公司 | Three-layer co-extrusion multi-layer sheath-core untwisted composite filament, and production method and application thereof |
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