CN211942418U - Low-gram-weight high-rigidity filtering non-woven fabric for vehicle - Google Patents
Low-gram-weight high-rigidity filtering non-woven fabric for vehicle Download PDFInfo
- Publication number
- CN211942418U CN211942418U CN201922482983.8U CN201922482983U CN211942418U CN 211942418 U CN211942418 U CN 211942418U CN 201922482983 U CN201922482983 U CN 201922482983U CN 211942418 U CN211942418 U CN 211942418U
- Authority
- CN
- China
- Prior art keywords
- fiber
- low
- layer
- parallel
- cross
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a low gram weight high rigidity vehicle filter non-woven fabric, which comprises a parallel fiber layer and a cross fiber layer; the parallel fiber layer is formed by carding the polyester superfine denier fibers, and the cross fiber layer is formed by carding and cross lapping the polyester superfine denier fibers; bonding points are randomly distributed in the parallel fiber layers and the crossed fiber layers; the bonding points are double-component polyester fibers. The utility model relates to a low grammes per square metre high rigidity automobile-used filtration non-woven fabrics adopts superfine denier polyester fiber can provide good filtering quality, can carry out good effect of stopping and holding to the dust. And the bicomponent polyester fiber is arranged in the superfine denier fiber layer as a bonding point, so that the superfine denier fiber can be bonded together. And the mode of combining cross lapping and parallel lapping is adopted, so that the rigidity of the product is improved. The low-melting-point fiber in the used bicomponent polyester fiber has a melting temperature of 180 ℃, so that the non-woven fabric can be used in a higher temperature environment.
Description
Technical Field
The utility model belongs to the technical field of the filtration non-woven fabrics technique and specifically relates to a low grammes per square metre high rigidity automobile-used filtration non-woven fabrics.
Background
With the rapid increase of the quantity of automobiles, people have more and more strong awareness on environmental protection and air purification, so that the sales volume of filtering products is increased year by year. The filter element of a filter used for an automobile is formed by folding a filter material, and when the used filter material uses a non-woven fabric as a raw material, the non-woven fabric is required to have the following properties: high rigidity for forming wrinkles, and air permeability for reducing pressure loss.
The conventional non-woven fabrics that can regard as filtering material, the conventionality is with the spunbonded needle weaving cloth or water thorn non-woven fabrics, and the spunbonded non-woven fabrics is not satisfactory in the aspect of the gas permeability, and the water thorn non-woven fabrics has the shortcoming that the rigidity is not enough, can appear the not good problem of shaping when folding into fold formula filter core, and how under the prerequisite of guaranteeing non-woven fabrics filter effect and not improving non-woven fabrics gram weight, the rigidity that improves the non-woven fabrics is the problem that needs the solution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high rigidity automobile-used filtration non-woven fabrics of low grammes per square metre adopts superfine denier polyester fiber can provide good filtering quality to be provided with the bond in the superfine denier fibre layer that alternately lapping and parallel lapping combined together, the improvement of lapping mode and the rigidity that the setting of bond can improve this non-woven fabrics.
In order to solve the technical problem, the purpose of the utility model is to realize like this:
the utility model relates to a low gram weight high rigidity vehicle filter non-woven fabric, which comprises a parallel net laying layer and a cross net laying layer; the parallel lapping layers are formed by carding polyester superfine denier fibers, and the cross lapping layer is formed by carding and cross lapping the polyester superfine denier fibers; bonding points are randomly distributed in the parallel lapping layer and the cross lapping layer; the bonding points are double-component polyester fibers; the cross section of the bicomponent polyester fiber is of a sheath-core structure or a parallel structure; the bicomponent polyester fiber of the sheath-core structure comprises a sheath layer and a core layer, wherein the sheath layer is low-melting-point PET, and the core layer is conventional PET; the bicomponent polyester fiber with the parallel structure comprises a part A and a part B, wherein the part A is low-melting-point PET, and the part B is conventional PET; the melting point of the low-melting-point PET is 180 ℃; the melting point of the conventional PET is 250-255 ℃.
As a further illustration of the above solution, the gram weight ratio of the cross ply 11 to the parallel ply 13 is 8:2 to 5: 5.
As a further explanation of the scheme, the fineness of the bicomponent polyester fiber is 17D, and the length of the bicomponent polyester fiber is 51-64 mm.
As a further illustration of the scheme, the surface of the polyester superfine denier fiber is provided with a flame retardant.
As a further illustration of the scheme, the length of the polyester superfine denier fiber is 51-64 mm.
The utility model has the advantages that: the utility model relates to a low grammes per square metre high rigidity automobile-used filtration non-woven fabrics adopts superfine denier polyester fiber can provide good filtering quality, can carry out good effect of stopping and holding to the dust. And the bicomponent polyester fibers are arranged in the superfine denier fiber layer as bonding points, so that the superfine denier fibers can be bonded together, and the rigidity of the whole non-woven fabric is improved. And the mode of combining cross lapping and parallel lapping is adopted, so that the rigidity of the product is further improved. The low-melting-point fiber in the used bicomponent polyester fiber has a melting temperature of 180 ℃ and a higher melting temperature, so that the non-woven fabric can be used in a higher temperature environment and can keep good strength.
Drawings
Fig. 1 is a schematic structural view of a filter nonwoven fabric according to the present invention.
FIG. 2 is a cross-sectional view of a sheath-core structured bicomponent polyester fiber;
FIG. 3 is a schematic cross-sectional view of a bicomponent polyester fiber in a side-by-side configuration;
FIG. 3a is a schematic cross-sectional view of a bicomponent polyester fiber with a circular cross-section and a side-by-side structure;
FIG. 3b is a schematic cross-sectional view of the bicomponent polyester fiber with a racetrack-shaped cross-section parallel structure;
FIG. 3c is a schematic cross-sectional view of the two-component polyester fiber with dumbbell-shaped cross-section parallel structure;
FIG. 3d is a schematic cross-sectional view of the bicomponent polyester fiber with a peanut-shaped cross-section parallel structure.
The designations in the figures illustrate the following: 1-laying a net layer in parallel; 2-cross lapping the net layer; 3-a bond point; 31-a skin layer; 32-core layer.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example one
The present embodiment will be described in detail with reference to fig. 1 to 2. The filter nonwoven fabric for a vehicle having a low grammage and high rigidity according to the present embodiment includes a parallel ply 1 and a cross ply 2. The parallel lapping layer 1 is formed by carding the polyester superfine denier fiber, and the cross lapping layer 2 is formed by carding and cross lapping the polyester superfine denier fiber. Bonding points 3 are randomly distributed in the parallel lapping layer 1 and the cross lapping layer 2. The bonding points 3 are double-component polyester fibers. The length of the used terylene super fine denier fiber is 51-64mm, preferably 51 mm.
In the embodiment, the polyester superfine denier fiber and the bicomponent polyester fiber are mixed, and then are subjected to opening, cotton mixing and carding to form a net, so that the parallel net laying layer 1 is formed, the parallel net laying layer 1 is formed because the fiber directions of the fiber net are basically parallel when the fiber net is output from a carding machine, and the mode has the advantages of high net laying speed and large longitudinal and transverse strength ratio. After mixing the polyester superfine denier fiber and the bicomponent polyester fiber, opening, mixing cotton, carding to form a net, and forming a cross lapping layer 2 by a lapping machine, wherein the longitudinal and transverse strength ratio of the fiber net in the form is close to 1: 1, the disadvantage is the slow web formation. The two fiber net forming modes are combined, so that the fiber net quantification of the cross net laying layer 2 can be reduced, the fiber net quantification is reduced, the forming speed of the cross net laying layer 2 can be improved, and the forming speed of the whole fiber net is further improved. The basis weight of the filter nonwoven in this example is 70 to 90 g per square meter, preferably 80 g per square meter.
Further, the gram weight ratio of the cross lapping layer 2 to the parallel lapping layer 1 is 7:3-5: 5. In the present embodiment, 6: 4.
the cross section of the bicomponent polyester fiber used in the embodiment is of a sheath-core structure or a parallel structure, the bicomponent polyester fiber of the sheath-core structure comprises a sheath layer 31 and a core layer 32, the sheath layer 31 is low-melting-point PET, and the core layer 32 is conventional PET. The melting point of the low-melting PET is 180 ℃, and the melting point of the conventional PET is 250-255 ℃. Specifically, the sheath-core bicomponent polyester fiber is selected in the embodiment, and the area ratio of the sheath-core bicomponent polyester fiber to the core-core bicomponent polyester fiber on the cross section is 1: 1. the fineness of the bicomponent polyester fiber is 17D, the length is 51-64mm, and the wool type is 51mm in the embodiment.
The polyester superfine denier fiber mesh mixed with the two-component polyester fiber is subjected to hot air treatment, so that the surface layer of the two-component polyester fiber is melted, the adjacent polyester superfine denier fibers are bonded, and the strength and rigidity of the whole polyester superfine denier fiber mesh can be improved. Specifically, the nonwoven fabric according to the present embodiment contains 30 to 50 bonding points per square meter cm.
Example two
With reference to fig. 1 and 3, the low grammage and high rigidity filter nonwoven fabric for vehicle according to the example and the first example have the following regions: the used bicomponent polyester fiber is of a parallel structure. The bicomponent polyester fiber with the parallel structure comprises an A part and a B part, wherein the A part is low-melting-point PET, and the B part is conventional PET. The cross section of the bicomponent polyester fiber is round, runway-shaped, dumbbell-shaped or peanut-shaped. The area weave ratio of the part A and the part B is 1: 1. the shapes of the various cross-sections are shown in fig. 3a, 3b, 3c, 3d, respectively.
EXAMPLE III
The low-gram-weight high-rigidity automobile-used filter non-woven fabric is obtained by spraying or dipping a flame-retardant solution on the basis of the non-woven fabric in the first embodiment or the second embodiment, and drying the non-woven fabric to enable the surface of the polyester superfine denier fiber to be provided with the flame retardant, so that the whole non-woven fabric has flame retardant performance, and the application range of the product is widened.
The nonwoven fabrics prepared in the first and third examples were tested for grammage, vertical and horizontal strength, and vertical and horizontal stiffness and flexibility, and the results are shown in the following table:
the requirements for the vehicle filter nonwoven are: gram weight: 80 plus or minus 8g per square meter; tensile strength: the longitudinal direction is more than or equal to 90N, and the transverse direction is more than or equal to 40N; rigidity and softness: longitudinal is greater than or equal to 130mg, and transverse is greater than or equal to 50 mg. As can be seen from the above table, the nonwoven fabrics according to the first and third examples satisfy the requirements.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (5)
1. A low-gram-weight high-rigidity vehicle filter non-woven fabric is characterized by comprising a parallel lapping layer (1) and a cross lapping layer (2); the parallel lapping layer (1) is formed by carding polyester superfine denier fibers, and the cross lapping layer (2) is formed by carding and cross lapping the polyester superfine denier fibers; bonding points (3) are randomly distributed in the parallel net laying layer (1) and the cross net laying layer (2); the bonding points (3) are two-component polyester fibers; the cross section of the bicomponent polyester fiber is of a sheath-core structure or a parallel structure; the bicomponent polyester fiber of the sheath-core structure comprises a sheath layer (31) and a core layer (32), wherein the sheath layer (31) is low-melting-point PET, and the core layer (32) is conventional PET; the bicomponent polyester fiber with the parallel structure comprises a part A and a part B, wherein the part A is low-melting-point PET, and the part B is conventional PET; the melting point of the low-melting-point PET is 180 ℃; the melting point of the conventional PET is 250-255 ℃.
2. The low grammage, high rigidity vehicle filtration nonwoven as claimed in claim 1, wherein the grammage ratio of the cross ply (2) to the parallel ply (1) is 8:2-5: 5.
3. The low grammage high rigidity filter nonwoven fabric for vehicles as claimed in claim 1, wherein the bicomponent polyester fiber has a fineness of 17D and a length of 51-64 mm.
4. The non-woven filter fabric for low grammage and high rigidity vehicles according to claim 1, wherein the surface of the polyester superfine denier fiber is provided with a flame retardant.
5. The low grammage high rigidity filter nonwoven fabric for vehicles of claim 1, wherein the length of the polyester superfine fiber is 51-64 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922482983.8U CN211942418U (en) | 2019-12-30 | 2019-12-30 | Low-gram-weight high-rigidity filtering non-woven fabric for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922482983.8U CN211942418U (en) | 2019-12-30 | 2019-12-30 | Low-gram-weight high-rigidity filtering non-woven fabric for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211942418U true CN211942418U (en) | 2020-11-17 |
Family
ID=73181680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922482983.8U Active CN211942418U (en) | 2019-12-30 | 2019-12-30 | Low-gram-weight high-rigidity filtering non-woven fabric for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211942418U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114687063A (en) * | 2020-12-30 | 2022-07-01 | 无锡市正龙无纺布有限公司 | Preparation method of laminated range hood filter screen |
| WO2022227749A1 (en) * | 2021-04-30 | 2022-11-03 | 厦门延江新材料股份有限公司 | Fine-denier composite non-woven fabric and fabrication method therefor |
-
2019
- 2019-12-30 CN CN201922482983.8U patent/CN211942418U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114687063A (en) * | 2020-12-30 | 2022-07-01 | 无锡市正龙无纺布有限公司 | Preparation method of laminated range hood filter screen |
| WO2022227749A1 (en) * | 2021-04-30 | 2022-11-03 | 厦门延江新材料股份有限公司 | Fine-denier composite non-woven fabric and fabrication method therefor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101678254B (en) | Multi-layer composite for use in an air filter | |
| ES2693699T3 (en) | Method for producing a hydroentangled nonwoven material | |
| CN211942418U (en) | Low-gram-weight high-rigidity filtering non-woven fabric for vehicle | |
| CN104963101B (en) | Frivolous high-performance composite non-weaving cloth of one kind and preparation method thereof | |
| CN207056133U (en) | Gradient filtration complex nonwoven cloth material | |
| CN100425755C (en) | Production process of hydro-entangled composite non-woven fabric | |
| CN101385921A (en) | No-weaving filter composite material of feather fiber and preparation method thereof | |
| CN206950807U (en) | A kind of multi-layer nonwoven fabrics for air conditioner filter element | |
| MXPA02000906A (en) | Bonded-fibre fabric for producing clean-room protective clothing. | |
| CN210163616U (en) | Super-absorbent non-woven fabric for sanitary use | |
| CN105051280A (en) | Batt comprising crimped bi- or multi-component fibres | |
| CN104894745A (en) | High-elastic antibacterial vertical cotton with fiber-bonded honeycomb structure and preparation method of vertical cotton | |
| CN215051121U (en) | High-rigidity filtering non-woven fabric with flame-retardant and antibacterial functions for vehicles | |
| CN108543349A (en) | A kind of gradient filtration multilayer spun lacing needle-punched composite and its production technology | |
| RU2692812C1 (en) | Cleaning textile | |
| CN1696375B (en) | Hyperfine structured base cloth material for imitating real leather | |
| CN104727018B (en) | Rubbing cloth and production method thereof | |
| CN105297284B (en) | A kind of manufacture method of nonwoven needled jacquard pad | |
| CN113737389B (en) | Three-carding spunlaced non-woven fabric directly paved and preparation method thereof | |
| CN203065779U (en) | Super-hydrophilic spunlace non-woven fabrics | |
| CN213866712U (en) | Non-woven filter material containing electret spunbond layer and melt-blown layer | |
| CN103182816B (en) | A kind of uniform high-performance leather base cloth | |
| CN112746394B (en) | Inclined-net-forming online spun-bonded spunlace composite non-woven fabric and preparation method thereof | |
| CN214655607U (en) | High fluffy three hot-blast non-woven fabrics of carding | |
| CN211917951U (en) | Waterproof high-strength composite non-woven fabric with patterns |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |