CN219947538U - Water-based microfiber base cloth with sandwich structure - Google Patents
Water-based microfiber base cloth with sandwich structure Download PDFInfo
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- CN219947538U CN219947538U CN202320662523.7U CN202320662523U CN219947538U CN 219947538 U CN219947538 U CN 219947538U CN 202320662523 U CN202320662523 U CN 202320662523U CN 219947538 U CN219947538 U CN 219947538U
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- island
- woven fabric
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- polyester
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- 239000004744 fabric Substances 0.000 title claims abstract description 45
- 229920001410 Microfiber Polymers 0.000 title claims abstract description 35
- 239000003658 microfiber Substances 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 30
- 239000000835 fiber Substances 0.000 claims abstract description 73
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 64
- 229920000728 polyester Polymers 0.000 claims abstract description 43
- 239000004952 Polyamide Substances 0.000 claims abstract description 24
- 229920002647 polyamide Polymers 0.000 claims abstract description 24
- 239000002759 woven fabric Substances 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 13
- 239000002649 leather substitute Substances 0.000 abstract description 10
- 239000010985 leather Substances 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 229920002635 polyurethane Polymers 0.000 description 6
- 239000004814 polyurethane Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 238000004080 punching Methods 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000005034 decoration Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002791 soaking Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Landscapes
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The utility model discloses a water-based microfiber base cloth with a sandwich structure, and relates to the technical field of microfiber leather; the 37-island polyester sea-island fiber pre-needled non-woven fabric, the polyester plain woven fabric and the 16-island polyamide sea-island fiber pre-needled non-woven fabric are sequentially manufactured into a non-woven fabric with a sandwich structure through a non-woven fabric needled plate from top to bottom; the upper layer of fiber is 37 island polyester fiber, the fiber is finer and has high rigidity after the fiber is reduced, and the water-based microfiber synthetic leather base cloth is soft and plump in touch; the lower layer fiber is 16 island polyamide fiber, the fiber has better extensibility and flexibility, provides better deformability for the water-based microfiber synthetic leather base cloth, and has good touch feeling after reduction; the middle layer is plain weave fabric prepared from polyester fibers, the fibers of the layer cannot be damaged in the subsequent deweighting process, the structure of the plain weave fabric can be maintained, and better stretching and tearing resistance performance is provided for the water-based microfiber synthetic leather base fabric.
Description
Technical Field
The utility model belongs to the technical field of microfiber leather, and particularly relates to an aqueous microfiber base cloth with a sandwich structure.
Background
The water-based microfiber leather is manufactured by using sea-island composite fibers to prepare non-woven fabrics with a three-dimensional structure through needling, then impregnating a certain amount of water-based polyurethane with high elasticity, and finally carrying out a series of processing procedures such as reduction, sanding, water washing and the like.
As the water-based process is required, the water-based microfiber synthetic leather base cloth is environment-friendly and has reduced mechanical properties, and the water-based microfiber synthetic leather base cloth has the defects of low strength, poor tear resistance and the like when being applied to automobile roofs and home decoration interior materials.
Disclosure of Invention
To solve the defects and the shortages of the prior art; the utility model aims to provide the water-based microfiber base cloth with the sandwich structure, which has higher stretching resistance and tear resistance, and can be applied to automobile roofs and home decoration interior materials.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the method comprises a 37-island polyester sea-island fiber pre-needled non-woven fabric, a polyester plain woven fabric and a 16-island polyamide sea-island fiber pre-needled non-woven fabric; the 37-island polyester sea-island fiber pre-needled non-woven fabric, the polyester plain woven fabric and the 16-island polyamide sea-island fiber pre-needled non-woven fabric are sequentially manufactured into the non-woven fabric with the sandwich structure through the non-woven fabric needled plate from top to bottom. Wherein the needling row spacing is 2.86-10.88mm/str, and needling density is 200-520p/cm 2 The needling depth is 5-8mm.
Preferably, the 37-island polyester sea-island fiber pre-needled non-woven fabric is fixed-island polyester fiber, the sea-island proportion is 20-30 percent, 80-70 percent, the island number is 37 islands, and the gram weight of the 37-island polyester sea-island fiber pre-needled non-woven fabric is 80-100g/m 2 The thickness of the 37-island polyester sea-island fiber pre-needled non-woven fabric is 0.6-1mm.
Preferably, the polyester plain weave fabric is a plain weave fabric of 4 to 10X 6 to 14X 200 to 400X 150 to 200, and the gram weight of the polyester plain weave fabric is 40 to 70g/m 2 The thickness is 0.2-0.5mm.
Preferably, the 16-island polyamide sea-island fiber pre-needled non-woven fabric is fixed-island polyamide fiber, the sea-island proportion is 20-30 percent, 80-70 percent, the island number is 16 islands, and the gram weight of the 16-island polyamide sea-island fiber pre-needled non-woven fabric is 40-70g/m 2 The thickness of the 16-island polyamide sea-island fiber pre-needled non-woven fabric is 0.2-0.5mm.
Preferably, the 37-island polyester sea-island fiber pre-needled non-woven fabric, the polyester plain woven fabric and the 16-island polyamide sea-island fiber pre-needled non-woven fabric are prepared into the water-based microfiber base fabric through the steps of soaking the water-based polyurethane, deweighting, sanding and washing, and the deweighting solution is adopted by 1% sodium hydroxide aqueous solution at the temperature of 100 ℃ for 20-25min.
Compared with the prior art, the utility model has the beneficial effects that: the upper layer of fiber is 37 island polyester fiber, the fiber is finer and has high rigidity after the fiber is reduced, and the water-based microfiber synthetic leather base cloth is soft and plump in touch; the lower layer fiber is 16 island polyamide fiber, the fiber has better extensibility and flexibility, provides better deformability for the water-based microfiber synthetic leather base cloth, and has good touch feeling after reduction; the middle layer is plain weave fabric prepared from polyester fibers, the fibers of the layer cannot be damaged in the subsequent deweighting process, the structure of the plain weave fabric can be maintained, and better stretching and tearing resistance performance is provided for the water-based microfiber synthetic leather base fabric.
The water-based microfiber synthetic leather base cloth has higher stretching resistance and tear resistance, and can be applied to automobile roofs and home decoration interior materials.
Drawings
For ease of illustration, the utility model is described in detail by the following detailed description and the accompanying drawings.
Fig. 1 is a schematic structural view of the present utility model.
In the figure: 37 island polyester sea-island fiber pre-needled non-woven fabric 1, polyester plain woven fabric 2 and 16 island polyamide sea-island fiber pre-needled non-woven fabric 3.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model is described below by means of specific embodiments shown in the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
It should be noted here that, in order to avoid obscuring the present utility model due to unnecessary details, only structures and/or processing steps closely related to the solution according to the present utility model are shown in the drawings, while other details not greatly related to the present utility model are omitted.
As shown in fig. 1, the present embodiment adopts the following technical scheme: the method comprises a 37-island polyester sea-island fiber pre-needled non-woven fabric 1, a polyester plain woven fabric 2 and a 16-island polyamide sea-island fiber pre-needled non-woven fabric 3; the 37-island polyester sea-island fiber pre-needled non-woven fabric 1 and polyester flatThe woven fabrics 2 and 16-island polyamide sea-island fiber pre-needled non-woven fabrics 3 are sequentially manufactured into the non-woven fabrics with the sandwich structure through non-woven fabric needled plates from top to bottom. Wherein the needling row spacing is 2.86-10.88mm/str, and needling density is 200-520p/cm 2 The needling depth is 5-8mm.
Further, the 37-island polyester sea-island fiber pre-needled non-woven fabric 1 is made of fixed-island polyester fibers, the sea-island proportion is 20-30 percent, 80-70 percent, the island number is 37 islands, and the gram weight of the 37-island polyester sea-island fiber pre-needled non-woven fabric 1 is 80-100g/m 2 The thickness of the 37-island polyester sea-island fiber pre-needled non-woven fabric 1 is 0.6-1mm.
Further, the polyester plain weave fabric 2 is a plain weave fabric of 4-10X 6-14X 200-400X 150-200, and the gram weight of the polyester plain weave fabric 2 is 40-70g/m 2 The thickness is 0.2-0.5mm.
Further, the 16-island polyamide sea-island fiber pre-needled non-woven fabric 3 is made of fixed-island polyamide fibers, the sea-island proportion is 20-30 percent, 80-70 percent, the island number is 16 islands, and the gram weight of the 16-island polyamide sea-island fiber pre-needled non-woven fabric 3 is 40-70g/m 2 The thickness of the 16-island polyamide sea-island fiber pre-needled non-woven fabric 3 is 0.2-0.5mm.
Further, the 37-island polyester sea-island fiber pre-needled non-woven fabric 1, the polyester plain woven fabric 2 and the 16-island polyamide sea-island fiber pre-needled non-woven fabric 3 are prepared into the water-based microfiber base fabric through the steps of water-immersed polyurethane, deweighting, sanding and washing, and a 1% sodium hydroxide aqueous solution is adopted as a deweighting solution for 20-25min.
The upper sea-island fiber is 3-4dtex fixed island type polyester fiber and the lower sea-island fiber is 3-4dtex fixed island type polyamide fiber, which are respectively subjected to needle punching non-woven fabric machine to prepare pre-needle punching non-woven fabric, and the pre-needle punching non-woven fabric is prepared in the needle punching non-woven fabric machine through the procedures of opening, carding, lapping, needle punching and the like.
The plain weave fabric is prepared from polyester fibers, and the layer of fibers cannot be damaged in the subsequent deweighting process, so that the self-knotting structure of the plain weave fabric can be maintained, and better stretching and tearing resistance performance is provided for the water-based microfiber synthetic leather base fabric.
Example 1
According to the water-based microfiber base cloth with a sandwich structure shown in the figure 1, the gram weight of the upper-layer island fiber pre-needled non-woven fabric is 80g/m < 2 >, and the thickness is 0.6mm; the gram weight of the lower sea-island fiber pre-needled non-woven fabric is 40g/m < 2 >, and the thickness is 0.2mm; the middle layer is made of plain woven fabric with the weight of 4 multiplied by 6 multiplied by 200 multiplied by 150 and the gram weight of 40g/m 2 The thickness is 0.2mm, the three-layer cloth is used for preparing the non-woven fabric with the sandwich structure through the non-woven fabric needling plate, the needling row spacing is 2.86mm/str, the needling density is 200p/cm < 2 >, and the needling depth is 5mm. Then preparing the microfiber base cloth through the procedures of soaking polyurethane, reducing sanding and washing, wherein a 1% sodium hydroxide aqueous solution is used as a reducing solution at the temperature of 100 ℃ for 20min.
Example 2
According to the figure 1, the water-based microfiber base cloth with the sandwich structure has the weight of 100g/m < 2 > and the thickness of 1mm. The gram weight of the lower sea-island fiber pre-needled non-woven fabric is 70g/m < 2 >, and the thickness is 0.5mm; the middle layer is a plain weave fabric of 10×14×400×200, and the gram weight is 70g/m 2 The thickness was 0.5mm. The three-layer cloth is used for preparing the non-woven fabric with the sandwich structure through the non-woven fabric needling plate, and the three-layer cloth is used for preparing the non-woven fabric with the sandwich structure through the non-woven fabric needling plate, wherein the needling row spacing is 10.88mm/str, the needling density is 520p/cm < 2 >, and the needling depth is 8mm. Then preparing the microfiber base cloth through the procedures of soaking polyurethane, reducing sanding and washing, wherein a 1% sodium hydroxide aqueous solution at 100 ℃ is used as a reducing solution, and the time is 25min.
The water-based microfiber base fabric keeps soft touch feeling of the microfiber, and has better tensile property, extensibility and bursting resistance. The surface layer of the water-based microfiber base cloth is sea-island fiber pre-needled non-woven fabric, the middle layer is woven fabric, the bottom layer is sea-island fiber pre-needled non-woven fabric, the three-layer cloth is used for preparing the non-woven fabric with a sandwich structure through a non-woven fabric needling plate, and then the water-based microfiber base cloth is prepared through the procedures of water-based polyurethane, decrement, sanding and water washing. The upper and lower layers of the water-based microfiber base cloth prepared by the method are soft and plump to the touch, the middle layer is stable in structure and is a reinforcing layer, and the water-based microfiber base cloth has better mechanical properties than the microfiber base cloth prepared by common needled non-woven fabrics.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. The utility model provides a waterborne microfiber basic cloth with sandwich structure which characterized in that: the polyester sea-island fiber pre-needled non-woven fabric comprises a 37-island polyester sea-island fiber pre-needled non-woven fabric (1), a polyester plain woven fabric (2) and a 16-island polyamide sea-island fiber pre-needled non-woven fabric (3); the 37-island polyester sea-island fiber pre-needled non-woven fabric (1), the polyester plain woven fabric (2) and the 16-island polyamide sea-island fiber pre-needled non-woven fabric (3) sequentially pass through a non-woven fabric needled plate from top to bottom to prepare the non-woven fabric with the sandwich structure.
2. The aqueous microfiber substrate with a sandwich structure according to claim 1, wherein: the 37-island polyester sea-island fiber pre-needled non-woven fabric (1) is made of fixed-island polyester fibers, and the thickness of the 37-island polyester sea-island fiber pre-needled non-woven fabric (1) is 0.6-1mm.
3. The aqueous microfiber substrate with a sandwich structure according to claim 1, wherein: the thickness of the polyester plain woven fabric (2) is 0.2-0.5mm.
4. The aqueous microfiber substrate with a sandwich structure according to claim 1, wherein: the 16-island polyamide sea-island fiber pre-needled non-woven fabric (3) is made of fixed-island polyamide fibers, and the thickness of the 16-island polyamide sea-island fiber pre-needled non-woven fabric (3) is 0.2-0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320662523.7U CN219947538U (en) | 2023-03-30 | 2023-03-30 | Water-based microfiber base cloth with sandwich structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320662523.7U CN219947538U (en) | 2023-03-30 | 2023-03-30 | Water-based microfiber base cloth with sandwich structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219947538U true CN219947538U (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320662523.7U Active CN219947538U (en) | 2023-03-30 | 2023-03-30 | Water-based microfiber base cloth with sandwich structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219947538U (en) |
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- 2023-03-30 CN CN202320662523.7U patent/CN219947538U/en active Active
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