CN109023721A - A kind of preparation method and fiber mat of density gradient fiber mat - Google Patents
A kind of preparation method and fiber mat of density gradient fiber mat Download PDFInfo
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- CN109023721A CN109023721A CN201811238098.9A CN201811238098A CN109023721A CN 109023721 A CN109023721 A CN 109023721A CN 201811238098 A CN201811238098 A CN 201811238098A CN 109023721 A CN109023721 A CN 109023721A
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/542—Adhesive fibres
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4374—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4391—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece characterised by the shape of the fibres
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/48—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
- D04H1/485—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation in combination with weld-bonding
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/732—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses a kind of fiber mat preparation methods, raw material is used as using elastomeric fibre and viscose fibre mixing, by shredding, combing, lapping, pre-setting and etc. be initially formed unit fibers layer with multi-layer structure, the multiple unit fibers layers set through the stack again carry out hot pressing, final that the finished fiber pad with Multilayer Density gradient-structure is made.The fiber mat of this method manufacture has density gradient structure, accesses multi-buffer, caving-preventing characteristic significant increase to the pressure energy that it applies, and ensure that the lighting of fiber mat, and production process does not use glue, harmless.
Description
Technical field
The invention belongs to the preparation methods and fiber prepared therefrom of fiber mat technical field more particularly to a kind of fiber mat
Pad.
Background technique
Cushion is because of its higher comfort, it has also become indispensable household items in people family are widely used as bed
Pad, seat cushions etc..Cushion generally has the types such as polyurethane sponge pad, coir fibre mattress, spring pad.But existing polyurethane sponge
Padding raw material is mostly the petroleum by-products such as TDI, MDI, itself has toxicity, producers' Long Term Contact is easy to cause a disease, and produces
Product poor air permeability, usage experience are bad；It needs to be bonded using a large amount of glue in the manufacturing process of coir fibre mattress, will lead to first
Aldehyde severely exceeds, and can do harm to huamn body in suction body；Sping mattress then exist elasticity it is unbalanced, support force is uneven
Even, easy the problems such as collapsing, and sound is larger in use process, and comfort level is poor.
Fiber mat mostly uses the fibrous raw material with natural constituents to be made, the advantage for having other cushions to hardly match, and such as has
There is good moisture absorption to dissipate wet with ventilative performance, conducts heat thermally conductive fast, the advantages that quality is light.But current fiber mat elasticity is not
It is good, easily collapse.
Summary of the invention
The present invention is proposed in view of the above problem of the existing technology, and the present invention provides a kind of preparation side of fiber mat
Method prepares the fiber mat with density gradient structure, in the prior art by pre-setting-hot-air Hot-press cooling forming technique
On the basis of improve the gas permeability of product, guarantee also to improve collapse performance while product lighting.
The present invention is achieved by the following technical solutions: a kind of preparation method of fiber mat, the method includes following
Step:
S2, combing: each fibrous raw material is combed respectively；Wherein each fibrous raw material includes having the first fusing point
First fibrous raw material and the second fibrous raw material with the second fusing point, and second fusing point is higher than first fusing point；
S3, lapping: each fibrous raw material after combing is evenly laid out, it is respectively formed the first web and the second web；
S4, pre-setting: the first web and the second web are alternately superimposed on as three layers of web, compressed thickness, raising
Density forms unit fibers layer；
S5, hot pressing: unit fibers stacking is set, and from baking oven input end input baking oven, circulation is passed through into baking oven
Hot-air, the temperature of the recirculated hot air is greater than or equal to the first fusing point, and is lower than the second fusing point；In the recirculated hot air
Heat effect under, stacked unit fibers layer can be bonded to each other, and formed density gradient structure after cooling, gone out in baking oven
Mouth end obtains finished fiber pad.
As a further improvement of the present invention, the step S4 carries out pre-setting using needle thorn mode comprising front needle
Thorn and reverse side needle thorn, depth of needling 11-15mm, speed 6.0-7.5m/min, needling density are 320-480 thorn/cm2。
It as a further improvement of the present invention, further include step S1 before step S2: by each fibrous raw material respectively in fibre
Shredding is carried out on dimension opener.
As a further improvement of the present invention, first fibrous raw material with the first fusing point is low melting point hot melt adhesion
Fiber, second fibrous raw material with the second fusing point is elastomeric fibre, and the second fusing point is higher than the first fusing point by least 20
℃.Low melting point hot-melt adhesive fiber is i.e. cohesible fiber binder after a kind of melted by heat.Elastomeric fibre is in room temperature
Under, material is stretched to long 2 times of at least its original repeatedly, and after pulling force release, can restore the fibre long to its original rapidly
Dimension.
As a further improvement of the present invention, the elastomeric fibre is that (doughnut is horizontal for ELK fiber or doughnut
Section has the fiber of cavity along axial direction), the low melting point hot-melt adhesive fiber is polyolefine fiber, copolyamide fibre, is total to
Polyester fiber or dual-component sheath core fibers (for example, using polyester fiber as core,
Using Fypro/polyolefine fiber as the composite fibre of skin).
As a further improvement of the present invention, the step S3 carries out lapping using airlaid mode.
As a further improvement of the present invention, recirculated hot air is generated using natural gas direct combustion mode in the step S4.
As a further improvement of the present invention, first fusing point is 120-140 DEG C, recirculated hot air in the step S5
Temperature be 140-220 DEG C, wind speed 10-30m/s.
As a further improvement of the present invention, the baking oven is in horn-like, and diameter gradually becomes from input end to outlet end
It is small.
The present invention also provides a kind of fiber mat, the fiber mat using any of the above-described fiber mat preparation method prepare and
At.
The preparation method of fiber mat provided by the invention, using with different melting points the first fiber and the second fiber conduct
Unit fibers layer is made by pre-setting first in raw material, then carries out hot baking using circulation hot-fluid wind speed, makes stacked each unit
Fibrous layer is suppressed to form the smaller finished fiber pad of thickness, and molding finished fiber pad has density gradient structure at this time, to it
The pressure energy of application accesses multi-buffer, and resilience is high while having required hardness, so that the caving-preventing characteristic of fiber mat obtains
To greatly being promoted, while it ensure that the lighting of fiber mat product.In addition, relative to existing fiber mat preparation method, this
The fiber mat product for the preparation method manufacture that invention provides also has good permeability, and production process is nontoxic, harmless, does not make
With glue, producers' health is not endangered.
Specific embodiment
In order to better understand and implement, below with reference to embodiment and table, to a specific embodiment of the invention make into
One step detailed description.The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Embodiment 1
The present embodiment provides a kind of preparation methods of fiber mat, include the following steps:
Firstly, make each fibre bundle shredding in raw material by using fibre opening machine, the raw fibre after obtaining shredding.It is used
Raw fibre be low melting point hot-melt adhesive fiber and elastomeric fibre, wherein low melting point hot-melt adhesive fiber be fusing point be 130
DEG C or so PET fiber, elastomeric fibre is that fusing point is 220 DEG C or so of three-dimensional static electric field.Elastomeric fibre contains
Amount is 60wt%, and the content of bondable fibers is 40wt%.
Second step is to mix each fibrous raw material, is combed, is disappeared to the fiber after shredding using fiber carding machine
It is wound except being entangled with.
Third step be using lapping machine, the fiber after combing is evenly laid out.It is combed into uniformly by fiber carding machine
Web after, by networking tapered plane and negative pressure air effect superposition formed have setting weight continuous fiber reticular structure
Body simultaneously continuously exports, and is respectively formed viscose fibre net and elastomeric fibre net.
4th step is pre-setting, and pre-setting is carried out using needling process, by viscose fibre net and elastomeric fibre net
It is alternately superimposed on, three layers of fiber net structure that two layers of viscose fibre net is sandwiched between one layer of elastomeric fibre net is formed, by three layers of fibre
Dimension net is delivered to needing machine, and needle thorn includes front needle thorn and reverse side needle thorn, depth of needling 12mm, speed 6.5m/min, needle
Thorn density is 460 thorns/cm2, the plate for being furnished with pricker pumps, and pricker is pierced into the tow sides of web, and drawing is fine
It is connected on the outside of dimension tow, the fiber interweaving on positive and negative surface layer is stitched together, form pulling force face on positive and negative surface, middle layer is then not
It is pierced by pricker；Relative to middle layer, pulling force face has higher density, smaller thickness, and fibrous layer forms density gradient knot
Structure enables it to generate the very strong pulling force parallel with surface, is able to bear biggish pressure without collapsing.
5th step is hot pressing, is carried out by oven heat, and baking oven includes baking oven ontology and mesh belt conveying device, the baking
Case ontology includes heated oven and cooling chamber.First 5 layer unit fibrous layers are stacked, form multi-layer fiber layer.Multi-layer fiber layer into
Enter into heated oven, in such a way that hot-fluid blows from top to bottom, blows circulation from the bottom up to multi-layer fiber layer to be shaped into
Row heating, controlling circulation hot fluid temperature in heated oven is 180 DEG C, wind speed 20m/s, when further controlling multi-layer fiber hot pressing
Thickness and density.It is after melting the bondable fibers in each unit fibrous layer, the bondable fibers in each unit fibrous layer are cooling
Solidification makes stacked multilevel-cell fibrous layer be bonded together into plate structure, forms the finished fiber pad with a thickness of 8cm.
Circulation type of thermal communication in the oven heat, which is crossed, to be passed through direct combustion hot-air and is formed, and direct combustion hot-air is the gaseous mixture of combustion gas and air
Body by the way of heating air, makes mixed gas be rapidly reached heat and dries temperature, guarantees that heat dries effect using directly lighting combustion gas
Gas consumption has been saved simultaneously.
In the present embodiment, the baking oven is integrally in horn-like structure, and diameter gradually becomes smaller from input end to outlet end,
The fibrous layer for allowing to carry out hot pressing smoothly can pad transition from the big raw fibre of thickness to the small shaping fiber of thickness, obtain
Dimensional accuracy is higher, the exquisiter smooth product of appearance and modeling.
Molding finished fiber pad at this time has density gradient structure, accesses multi-buffer to the pressure energy that it applies,
So that the caving-preventing characteristic of fiber mat is greatly improved, while it ensure that the lighting of fiber mat product.In addition, relative to existing
The fiber mat product of the pads such as some foam rubber cushions, preparation method manufacture provided by the invention has good permeability.
Embodiment 2
The main method and step of embodiment 2 are similar to embodiment 1, and difference is that bondable fibers used are that fusing point is
140 DEG C or so of dual-component sheath core fibers, elastomeric fibre are elk fiber (a kind of polyester buffering fibres that fusing point is 200 DEG C or so
Dimension, with general fibre padded coaming be different in its fiber be in longitudinal arrangement structure).The content of elastomeric fibre is
65wt%, the content of bondable fibers are 35wt%.Depth of needling is 15mm, speed 7.5m/min, needling density be 480 thorns/
cm2.It is 220 DEG C that heat, which dries temperature, when hot pressing, and fiber mat is pressed into a thickness of 6cm by wind speed 30m/s.
Embodiment 3
The main method and step of embodiment 3 are similar to embodiment 1, and difference is that bondable fibers used are that fusing point is
120 DEG C or so of polyolefine fiber, elastomeric fibre are the polyether ester fiber (PP fiber) that fusing point is 200 DEG C or so.Elastomer
The content of fiber is 70wt%, and the content of bondable fibers is 30wt%.Depth of needling is 11mm, speed 6.0m/min, needle thorn
Density is 320 thorns/cm2, it is 140 DEG C that heat, which dries temperature, when secondary hot pressing, and fiber mat is pressed into a thickness of 10cm by wind speed 10m/s.
Comparative example 1
The fibrous raw material of comparative example 1 and procedure of processing are same as Example 1, but hot pressing of comparative example 1 progress, and
Without pre-setting.
Comparative example 2
The fibrous raw material of comparative example 2 and procedure of processing are same as Example 2, but hot pressing of comparative example 2 progress, and
Without pre-setting.
Comparative example 3
The fibrous raw material of comparative example 3 and procedure of processing are same as Example 3, but hot pressing of comparative example 3 progress, and
Without pre-setting.
The evaluation of embodiment and comparative example
[table 1]
Compressive recovery rate: by fiber mat compress 75% needed energy with from 75% recovery institute palpus energy ratio.
Compressive recovery rate is bigger, indicates that resilience is better.
Compression stress ratio: the ratio of stress and stress when compression 65% when fiber mat compression 25%.Relative to compression
Amount, expression are compressed to respective degrees, the variation of stress (repelling force).This numerical value is got over hour, when fiber mat sinks suddenly, body
It rocks and becomes larger, be unable to reach the stable effect that comfortably lies down.
The first fibrous layer of multilayer is stacked by Examples 1 to 3 relative to comparative example 1~3, multi-layer fiber layer is formed, by two
After secondary hot pressing, density gradient structure is formed, the compressive recovery rate result of fiber mat is obviously more outstanding, and compression stress ratio is also shown
Show more good as a result, presenting superior comprehensive resilience.
[table 2]
Compress durability hardness conservation rate (A) method of testing: with 60 times per minute speed compression samples to original thickness
50%, it continuously repeats 80,000 times
Compress durability hardness conservation rate (B) method of testing: with 0.8kg/cm2Pressure weight sample 15 seconds → except pressure 10 seconds
→ repeat 360 times
Examples 1 to 3 has obtained more excellent relative to comparative example 1~3 in the case where two kinds of hardness conservation rate methods of testing are tested
As a result, density gradient structure makes fiber mat have multi-buffer performance, therefore its also non-aging, energy to external weight
Enough permanent constructions kept originally and elasticity, have more excellent compression durability.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.It should be pointed out that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of preparation method of fiber mat, it is characterised in that: the described method comprises the following steps:
S2, combing: each fibrous raw material is combed respectively；Wherein each fibrous raw material includes first with the first fusing point
Fibrous raw material and the second fibrous raw material with the second fusing point, and second fusing point is higher than first fusing point；
S3, lapping: each fibrous raw material after combing is evenly laid out, it is respectively formed the first web and the second web；
S4, pre-setting: the first web and the second web being alternately superimposed on as three layers of web, compressed thickness, improve density,
Form unit fibers layer；
S5, hot pressing: unit fibers stacking is set, and from baking oven input end input baking oven, cycling hot sky is passed through into baking oven
Gas, the temperature of the recirculated hot air is greater than or equal to the first fusing point, and is lower than the second fusing point；In adding for the recirculated hot air
Under heat effect, stacked unit fibers layer can be bonded to each other, and density gradient structure be formed after cooling, in baking oven outlet end
Obtain finished fiber pad.
2. fiber mat preparation method according to claim 1, it is characterised in that: the step S4 is carried out using needle thorn mode
Pre-setting comprising front needle thorn and reverse side needle thorn, depth of needling 11-15mm, speed 6.0-7.5m/min, needling density
For 320-480 thorn/cm2。
3. fiber mat preparation method according to claim 1, it is characterised in that: further include step S1 before step S2:
Each fibrous raw material is subjected to shredding on fibre opening machine respectively.
4. fiber mat preparation method according to claim 1, it is characterised in that: first fiber with the first fusing point
Raw material is low melting point hot-melt adhesive fiber, and second fibrous raw material with the second fusing point is elastomeric fibre, and second is molten
Point is at least 20 DEG C higher than the first fusing point.
5. fiber mat preparation method according to claim 4, it is characterised in that: the elastomeric fibre be ELK fiber or
Doughnut, the low melting point hot-melt adhesive fiber are polyolefine fiber, copolyamide fibre, copolyester fiber or two-component skin
Core fibre.
6. fiber mat preparation method according to claim 1, it is characterised in that: the step S3 uses airlaid mode
Carry out lapping.
7. fiber mat preparation method according to claim 1, it is characterised in that: use natural gas direct combustion in the step S4
Mode generates recirculated hot air.
8. fiber mat preparation method according to claim 1, it is characterised in that: first fusing point is 120-140 DEG C, institute
The temperature for stating recirculated hot air in step S5 is 140-220 DEG C, wind speed 10-30m/s.
9. fiber mat preparation method according to claim 1, it is characterised in that: the baking oven is in from input end to outlet end
Horn-like, diameter gradually becomes smaller from input end to outlet end.
10. a kind of fiber mat prepared using fiber mat preparation method according to any one of claims 1 to 9.
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| CN201811238098.9A CN109023721B (en) | 2018-10-23 | 2018-10-23 | Preparation method of density gradient fiber mat and fiber mat |
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| CN201811238098.9A CN109023721B (en) | 2018-10-23 | 2018-10-23 | Preparation method of density gradient fiber mat and fiber mat |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111469506A (en) * | 2020-03-17 | 2020-07-31 | 江苏丽洋新材料股份有限公司 | Novel nuclear radiation protection material and preparation method thereof |
| CN111945292A (en) * | 2020-07-27 | 2020-11-17 | 西安工程大学 | High-elasticity non-woven material for drying roll and preparation method thereof |
| CN113290990A (en) * | 2021-04-21 | 2021-08-24 | 爱可比(苏州)新材料有限公司 | Energy-saving oyster-based fiber composite layer and preparation process thereof |
| CN114209233A (en) * | 2021-12-13 | 2022-03-22 | 九牧厨卫股份有限公司 | Toilet seat and preparation method thereof |
| CN115742351A (en) * | 2022-11-04 | 2023-03-07 | 航天特种材料及工艺技术研究所 | High-elasticity sandwich structure static sealing material component and preparation method thereof |
| WO2024082790A1 (en) * | 2022-10-19 | 2024-04-25 | 山东谷悦康养器具有限公司 | Fiber cushion and preparation method |
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Effective date of registration: 20220112 Address after: 215300 floor 4, building A1, No. 18, Jinxing Road, Huaqiao Economic Development Zone, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Acbi (Suzhou) new material Co.,Ltd. Address before: 215331 No.2 Guangxia Road, Lujia Town, Kunshan City, Jiangsu Province Patentee before: Kunshan Jimei Chuan Fiber Technology Co.,Ltd. |