CN107630354A - Anti- blood finishing agent and anti-blood non-woven material of breathing freely for non-woven material - Google Patents
Anti- blood finishing agent and anti-blood non-woven material of breathing freely for non-woven material Download PDFInfo
- Publication number
- CN107630354A CN107630354A CN201710906407.4A CN201710906407A CN107630354A CN 107630354 A CN107630354 A CN 107630354A CN 201710906407 A CN201710906407 A CN 201710906407A CN 107630354 A CN107630354 A CN 107630354A
- Authority
- CN
- China
- Prior art keywords
- woven material
- blood
- finishing agent
- polypropylene fibre
- polypropylene
- 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.)
- Granted
Links
Abstract
The invention discloses a kind of anti-blood finishing agent for non-woven material and anti-blood non-woven material of breathing freely.For the anti-blood finishing agent of non-woven material, including composition and each composition it is shared in the anti-blood finishing agent mass percent it is as follows：Perfluorinated acrylate 2 8%；Perfluoro octane sulfonate surfactant 1 4%；Bleeding agent 0.1 0.5%；Water 87.5 96.9%.The ventilative anti-blood non-woven material obtained after the anti-blood finishing agent arranges, has good lasting anti-blood performance, gas permeability performance, water vapour permeability.
Description
Technical field
The invention belongs to non-woven material field, and in particular to a kind of anti-blood finishing agent for non-woven material, thoroughly
Anti- blood non-woven material of gas and preparation method thereof.
Background technology
When preparing sanitary napkin, bottom come resistant to blood seepage, this PE films poor air permeability, can influence the moon typically using PE films
The comfort of menstruating women.
Publication number CN201511032991, title：Although a kind of air permeable sanitary towel, its top layer employ poromeric material,
But bottom still uses the PE films of poor air permeability, makes the overall air permeability of sanitary napkin cannot improve.
The content of the invention
The technical problems to be solved by the invention are：In the prior art, the articles for use of blood leakage are prevented for sanitary napkin etc.
Material, poor air permeability, influence comfort.
In order to solve the above-mentioned technical problem, the present invention provides a kind of anti-blood finishing agent for non-woven material and breathed freely
Anti- blood non-woven material, it has good lasting anti-blood performance, gas permeability performance, water vapour permeability.
Provided by the present invention for the anti-blood finishing agent of non-woven material, its composition included and each composition are described anti-
Shared mass percent is as follows in blood finishing agent：
Preferably, the mass percent of its composition included and each composition shared by the anti-blood finishing agent is as follows：
The present invention also provides the preparation method of the above-mentioned anti-blood finishing agent for non-woven material, including following step
Suddenly：Take each composition to mix, produce.
The present invention also provides a kind of anti-blood non-woven material of breathing freely, with above-mentioned anti-blood finishing agent to sandwich construction
Non-woven material carries out anti-blood arrangement, it is formed high density surface tension force in the material, and it is non-to obtain the anti-blood of breathing freely
Weaving material；
Wherein, the non-woven material of the sandwich construction includes two layers of polypropylene spunbond non-woven material and is folded in two layers third
At least one layer of polypropylene fibre melt-blown non-woven material between synthetic fibre viscose non-woven material.
Preferably, in above-mentioned ventilative anti-blood non-woven material, the polypropylene spunbond non-woven material is in the multilayer
Shared ratio is 60-85wt% in the non-woven material of structure；Described polypropylene fibre melt-blown non-woven material is in the multilayer knot
Shared ratio is 15-40wt% in the non-woven material of structure.
Preferably, thickness 0.08-0.2mm.
Preferably, the fineness of the polypropylene spunbond non-woven material is at 15~25 microns, 6~12g/m of grammes per square metre2；Described third
The fineness of synthetic fibre melt-blown non-woven material is in 1~5 microns, 3~8g/m of grammes per square metre2。
The present invention also provides the preparation method of above-mentioned anti-blood non-woven material of breathing freely, and takes the non-woven of the sandwich construction
Material, padding finishing is carried out with the anti-blood finishing agent finishing agent, infrared preliminary drying after arrangement, the wide sizing of tentering, bake to
Dry.
Wherein, the preparation method of the non-woven material of the sandwich construction comprises the following steps：
1) spunbond：Polypropylene fibre section is led by screw extruder extrusion, filtering, measuring pump, spinning die head spinning, air-flow
Stretch, networking, obtain polypropylene spunbond non-woven material；
2) it is meltblown：Polypropylene fibre section is led by screw extruder extrusion, filtering, measuring pump, spinning die head spinning, hot blast
Stretch, cool down, networking, obtaining polypropylene fibre melt-blown non-woven material；
3) sandwiched at least one layer polypropylene fibre melt-blown non-woven material among two layers polypropylene spunbond non-woven material is taken, hot rolling is multiple
Close, produce.
Preferably, padding finishing is that arrangement is rolled in two leachings two；Infrared preliminary drying wavelength is far infrared；Sizing the wide temperature of tentering be
110-140℃；Baking temperature is 120-150 DEG C.
The present invention can reach following technique effect：
Anti- blood finishing agent and anti-blood non-woven material of breathing freely provided by the present invention for non-woven material.This is ventilative
Anti- blood non-woven material thickness is 0.08-0.2mm, can barrier height be 80mm artificial blood more than 12 hours it is impermeable；
With good lasting anti-blood performance, permeability and water vapour permeability, and superior physical properties；As napkin chassis material
Material, sweat can be discharged effectively, eliminate vexed sense and sense of discomfort.
Embodiment
With reference to specific embodiment, the invention will be further described, so that those skilled in the art can be more preferable
Understand the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Embodiment 1
The preparation method of the ventilative anti-blood non-woven material of the present embodiment, including the preparation of base fabric and anti-blood arrange,
It is specific as follows：
(1) preparation of base fabric：Spunbond, melt-blown, melt-blown, spunbond, hot rolling, winding.
Spunbond：By polypropylene fibre section by screw extruder extrusion, filtering, measuring pump, spinning die head spinning, air drawing,
Networking, fineness is in 20 microns, grammes per square metre 7g/m2。
Melt-blown：By polypropylene fibre section by screw extruder extrusion, filtering, measuring pump, spinning die head spinning, hot blast drawing-off,
Cooling, networking, fineness is in 3 microns, grammes per square metre 3g/m2。
Melt-blown：By polypropylene fibre section by screw extruder extrusion, filtering, measuring pump, spinning die head spinning, hot blast drawing-off,
Cooling, networking, fineness is in 3 microns, grammes per square metre 3g/m2。
Spunbond：By polypropylene fibre section by screw extruder extrusion, filtering, measuring pump, spinning die head spinning, air drawing,
Networking, fineness is in 20 microns, grammes per square metre 7g/m2。
Hot rolling：The above-mentioned non-woven material produced is subjected to method hot rolling, 150 DEG C of hot-rolled temperature, nip pressure
70N/mm。
Winding：It is 20g/m that grammes per square metre, which will be produced,2The winding of ventilative non-woven material, thickness 0.15mm or so.
(2) anti-blood arranges：Prepare dressing liquid, arrangements is rolled in base fabric debatching, two leachings two, infrared preliminary drying, tentering it is wide shape,
Bake, wind.
The composition of anti-blood dressing liquid and its percentage in anti-blood dressing liquid are as follows：
Base fabric debatching：Non-woven material base fabric debatching of being breathed freely made from is done anti-blood and arranged.
Arrangement is rolled in two leachings two：Dressing liquid is sufficiently stirred, and passes through the pressure adjustment control pick-up rate 150% of pressure roller.Three are rolled
Roller, bottom are dipping tanks, and such cloth is exactly that two leachings two are rolled when process.
Infrared preliminary drying：Far infrared.
Tentering of shaping is wide：Temperature is 135 DEG C.
Bake：Temperature is 135 DEG C.
Winding：Anti- blood non-woven material of being breathed freely by made from is wound.
Properties of product are tested：
Anti- blood non-woven material of being breathed freely made from above-described embodiment 1 is subjected to anti-blood, permeability test.
(1) anti-blood performance test：
Test procedure：It is non-using dextran, sample size 50mm × 50mm, the slim anti-blood of breathing freely of minimum test 3
Weaving material, artificial blood is filled with high 80mm, diameter 38mm cylinders, ventilative anti-blood non-woven material is placed into bottom test
The impermeable time.
Assay：24 hours impermeable.
(2) permeability is tested：
Test procedure：Use test area 20cm2, pressure drop 200Pa, breathing freely, anti-blood non-woven material is smooth to be clamped in
In sample round platform, selvedge and wrinkle place are avoided, starts induced-draught fan, bypasses air through sample, adjusts flow, pressure reaches
200Pa and it is stable when, record air flow rate.Under identical condition, in the different parts replication 10 times of same sample.
Assay：996mm/s.
(3) ultimate strength performance
Test procedure：It is 50mm ± 0.5mm, length 230mm that sample is cut into width；The sample holder cut is existed
Clamper center, start machine, with 100mm/min constant elongation speed tensile sample until fracture.Record test knot
Fruit.
Embodiment 2
The preparation method of the ventilative anti-blood non-woven material of the present embodiment is similar to Example 1, and difference is, this
The composition of the anti-blood dressing liquid of embodiment and its percentage in anti-blood dressing liquid are as follows：
Properties of product are tested：
Anti- blood non-woven material of being breathed freely made from above-described embodiment 2 is subjected to anti-blood, permeability test.
(1) anti-blood performance test：
Test procedure：It is non-using dextran, sample size 50mm × 50mm, the slim anti-blood of breathing freely of minimum test 3
Weaving material, artificial blood is filled with high 80mm, diameter 38mm cylinders, ventilative anti-blood non-woven material is placed into bottom test
The impermeable time.
Assay：18 hours impermeable.
(2) permeability is tested：
Test procedure：Use test area 20cm2, pressure drop 200Pa, breathing freely, anti-blood non-woven material is smooth to be clamped in
In sample round platform, selvedge and wrinkle place are avoided, starts induced-draught fan, bypasses air through sample, adjusts flow, pressure reaches
200Pa and it is stable when, record air flow rate.Under identical condition, in the different parts replication 10 times of same sample.
Assay：968mm/s.
(3) ultimate strength performance
Test procedure：It is 50mm ± 0.5mm, length 230mm that sample is cut into width；The sample holder cut is existed
Clamper center, start machine, with 100mm/min constant elongation speed tensile sample until fracture.Record test knot
Fruit.
Embodiment 3
The preparation method of the ventilative anti-blood non-woven material of the present embodiment is similar to Example 1, and difference is, this
The composition of the anti-blood dressing liquid of embodiment and its percentage in anti-blood dressing liquid are as follows：
Properties of product are tested：
Anti- blood non-woven material of being breathed freely made from above-described embodiment 2 is subjected to anti-blood, permeability test.
(1) anti-blood performance test：
Test procedure：It is non-using dextran, sample size 50mm × 50mm, the slim anti-blood of breathing freely of minimum test 3
Weaving material, artificial blood is filled with high 80mm, diameter 38mm cylinders, ventilative anti-blood non-woven material is placed into bottom test
The impermeable time.
Assay：15 hours impermeable.
(2) permeability is tested：
Test procedure：Use test area 20cm2, pressure drop 200Pa, breathing freely, anti-blood non-woven material is smooth to be clamped in
In sample round platform, selvedge and wrinkle place are avoided, starts induced-draught fan, bypasses air through sample, adjusts flow, pressure reaches
200Pa and it is stable when, record air flow rate.Under identical condition, in the different parts replication 10 times of same sample.
Assay：960mm/s.
(3) ultimate strength performance
Test procedure：It is 50mm ± 0.5mm, length 230mm that sample is cut into width；The sample holder cut is existed
Clamper center, start machine, with 100mm/min constant elongation speed tensile sample until fracture.Record test knot
Fruit.
Embodiment 4
The preparation method of the ventilative anti-blood non-woven material of the present embodiment is similar to Example 1, and difference is, this
The composition of the anti-blood dressing liquid of embodiment and its percentage in anti-blood dressing liquid are as follows：
Properties of product are tested：
Anti- blood non-woven material of being breathed freely made from above-described embodiment 4 is subjected to anti-blood, permeability test.
(1) anti-blood performance test：
Test procedure：It is non-using dextran, sample size 50mm × 50mm, the slim anti-blood of breathing freely of minimum test 3
Weaving material, artificial blood is filled with high 80mm, diameter 38mm cylinders, ventilative anti-blood non-woven material is placed into bottom test
The impermeable time.
Assay：13 hours impermeable.
(2) permeability is tested：
Test procedure：Use test area 20cm2, pressure drop 200Pa, breathing freely, anti-blood non-woven material is smooth to be clamped in
In sample round platform, selvedge and wrinkle place are avoided, starts induced-draught fan, bypasses air through sample, adjusts flow, pressure reaches
200Pa and it is stable when, record air flow rate.Under identical condition, in the different parts replication 10 times of same sample.
Assay：985mm/s.
(3) ultimate strength performance
Test procedure：It is 50mm ± 0.5mm, length 230mm that sample is cut into width；The sample holder cut is existed
Clamper center, start machine, with 100mm/min constant elongation speed tensile sample until fracture.Record test knot
Fruit.
Embodiment 5
The preparation method of the ventilative anti-blood non-woven material of the present embodiment is similar to Example 1, and difference is, this
The composition of the anti-blood dressing liquid of embodiment and its percentage in anti-blood dressing liquid are as follows：
Properties of product are tested：
Anti- blood non-woven material of being breathed freely made from above-described embodiment 5 is subjected to anti-blood, permeability test.
(1) anti-blood performance test：
Test procedure：It is non-using dextran, sample size 50mm × 50mm, the slim anti-blood of breathing freely of minimum test 3
Weaving material, artificial blood is filled with high 80mm, diameter 38mm cylinders, ventilative anti-blood non-woven material is placed into bottom test
The impermeable time.
Assay：14 hours impermeable.
(2) permeability is tested：
Test procedure：Use test area 20cm2, pressure drop 200Pa, breathing freely, anti-blood non-woven material is smooth to be clamped in
In sample round platform, selvedge and wrinkle place are avoided, starts induced-draught fan, bypasses air through sample, adjusts flow, pressure reaches
200Pa and it is stable when, record air flow rate.Under identical condition, in the different parts replication 10 times of same sample.
Assay：978mm/s.
(3) ultimate strength performance
Test procedure：It is 50mm ± 0.5mm, length 230mm that sample is cut into width；The sample holder cut is existed
Clamper center, start machine, with 100mm/min constant elongation speed tensile sample until fracture.Record test knot
Fruit.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
Enclose not limited to this.The equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention
Protection domain within.Protection scope of the present invention is defined by claims.
Claims (10)
1. a kind of anti-blood finishing agent for non-woven material, it is characterised in that its composition included and each composition are described
Shared mass percent is as follows in anti-blood finishing agent：
2. the anti-blood finishing agent according to claim 1 for non-woven material, it is characterised in that its composition included
Mass percent shared in the anti-blood finishing agent is as follows with each composition：
3. the preparation method of the anti-blood finishing agent for non-woven material described in claim 1 or 2, it is characterised in that bag
Include following steps：Take each composition to mix, produce.
The anti-blood non-woven material 4. one kind is breathed freely, it is characterised in that with the anti-blood finishing agent pair described in claim 1 or 2
The non-woven material of sandwich construction carries out anti-blood arrangement, obtains the anti-blood non-woven material of breathing freely；
Wherein, the non-woven material of the sandwich construction includes two layers of polypropylene spunbond non-woven material and is folded in two layers of polypropylene fibre spinning
At least one layer of polypropylene fibre melt-blown non-woven material between bonded non-woven material.
5. anti-blood non-woven material according to claim 4 of breathing freely, it is characterised in that
Polypropylene spunbond non-woven material ratio shared in the non-woven material of the sandwich construction is 60-85wt%；
Described polypropylene fibre melt-blown non-woven material ratio shared in the non-woven material of the sandwich construction is 15-40wt%.
6. the ventilative anti-blood non-woven material according to claim 4 or 5, it is characterised in that thickness 0.08-0.2mm.
7. the ventilative anti-blood non-woven material according to claim 4 or 5, it is characterised in that the polypropylene spunbond is non-to be knitted
The fineness of producing material material is at 15~25 microns, 6~12g/m of grammes per square metre2；The fineness of the polypropylene fibre melt-blown non-woven material is at 1~5 micron
Left and right, 3~8g/m of grammes per square metre2。
8. the preparation method of any one of the claim 4~6 anti-blood non-woven material of breathing freely, it is characterised in that take described
The non-woven material of sandwich construction, padding finishing is carried out with the anti-blood finishing agent finishing agent, infrared preliminary drying after arrangement, drawn
Breadth is shaped, and is baked to drying.
9. preparation method according to claim 8, it is characterised in that the preparation side of the non-woven material of the sandwich construction
Method comprises the following steps：
1) spunbond：By polypropylene fibre section by screw extruder extrusion, filtering, measuring pump, spinning die head spinning, air drawing, into
Net, obtain polypropylene spunbond non-woven material；
2) it is meltblown：By polypropylene fibre section by screw extruder extrusion, filtering, measuring pump, spinning die head spinning, hot blast drawing-off, cold
But, networking, polypropylene fibre melt-blown non-woven material is obtained；
3) sandwiched at least one layer polypropylene fibre melt-blown non-woven material among two layers polypropylene spunbond non-woven material is taken, method hot rolling, i.e.,
.
10. preparation method according to claim 8, it is characterised in that padding finishing is that arrangement is rolled in two leachings two；Infrared ray is pre-
Baking wavelength is far infrared；The wide temperature of tentering of shaping is 110-140 DEG C；Baking temperature is 120-150 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710906407.4A CN107630354B (en) | 2017-09-29 | 2017-09-29 | Anti- blood finishing agent for non-woven material and anti-blood non-woven material of breathing freely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710906407.4A CN107630354B (en) | 2017-09-29 | 2017-09-29 | Anti- blood finishing agent for non-woven material and anti-blood non-woven material of breathing freely |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107630354A true CN107630354A (en) | 2018-01-26 |
| CN107630354B CN107630354B (en) | 2019-10-29 |
Family
ID=61104333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710906407.4A Active CN107630354B (en) | 2017-09-29 | 2017-09-29 | Anti- blood finishing agent for non-woven material and anti-blood non-woven material of breathing freely |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107630354B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505111A (en) * | 2018-11-07 | 2019-03-22 | 杭州余宏卫生用品有限公司 | Anti- blood non-woven fabrics production method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1821474A (en) * | 2006-03-20 | 2006-08-23 | 江阴金凤特种纺织品有限公司 | Anti-alcohol, anti-plasma, anti-static and leak-proof functional non-woven fabric |
| CN101358410A (en) * | 2007-07-31 | 2009-02-04 | 东丽高新聚化（南通）有限公司 | Method of preparing polypropylene multi-layer nonwoven fabrics for medical treatment |
| CN101886335A (en) * | 2010-07-15 | 2010-11-17 | 福建鑫华股份有限公司 | Method for manufacturing inflaming-retarding antifouling non-woven decorative material |
| CN102619083A (en) * | 2012-03-06 | 2012-08-01 | 武汉纺织大学 | Production method for pure cotton single direction wet guiding functional nonwovens |
| CN104213401A (en) * | 2014-09-03 | 2014-12-17 | 山东千榕家纺有限公司 | Medical anti-blood, anti-ethanol and anti-microorganism protective fabric and preparation method thereof |
| CN104342927A (en) * | 2013-07-24 | 2015-02-11 | 东丽纤维研究所（中国）有限公司 | Waterproof oil-proof antistatic non-woven fabric and producing method thereof |
-
2017
- 2017-09-29 CN CN201710906407.4A patent/CN107630354B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1821474A (en) * | 2006-03-20 | 2006-08-23 | 江阴金凤特种纺织品有限公司 | Anti-alcohol, anti-plasma, anti-static and leak-proof functional non-woven fabric |
| CN101358410A (en) * | 2007-07-31 | 2009-02-04 | 东丽高新聚化（南通）有限公司 | Method of preparing polypropylene multi-layer nonwoven fabrics for medical treatment |
| CN101886335A (en) * | 2010-07-15 | 2010-11-17 | 福建鑫华股份有限公司 | Method for manufacturing inflaming-retarding antifouling non-woven decorative material |
| CN102619083A (en) * | 2012-03-06 | 2012-08-01 | 武汉纺织大学 | Production method for pure cotton single direction wet guiding functional nonwovens |
| CN104342927A (en) * | 2013-07-24 | 2015-02-11 | 东丽纤维研究所（中国）有限公司 | Waterproof oil-proof antistatic non-woven fabric and producing method thereof |
| CN104213401A (en) * | 2014-09-03 | 2014-12-17 | 山东千榕家纺有限公司 | Medical anti-blood, anti-ethanol and anti-microorganism protective fabric and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 刘玉军: "《纺粘和熔喷非织造布手册》", 30 April 2014, 中国纺织出版社 * |
| 田丽: "《染整技术·后整理分册》", 31 December 2014, 中国纺织出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505111A (en) * | 2018-11-07 | 2019-03-22 | 杭州余宏卫生用品有限公司 | Anti- blood non-woven fabrics production method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107630354B (en) | 2019-10-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2017028656A1 (en) | Waterproof and breathable paper diaper bottom film and preparation method therefor | |
| CN107447372A (en) | Manufacture method, SMS types non-woven fabrics and its application of SMS type non-woven fabrics | |
| US20060052023A1 (en) | Nonwoven material with elastic properties, related production method and device therefor | |
| CN112030361B (en) | Soft medical surgical gown SMS non-woven fabric and preparation method thereof | |
| WO2021042716A1 (en) | Plant functional pp spunbond nonwoven fabric and preparation method therefor | |
| CN108179550B (en) | Super-soft fluffy light filament non-woven composite material and preparation method thereof | |
| CN108179549A (en) | A kind of elastic super soft non-woven material of polypropylene-base long filament and its production method | |
| ES2338107T3 (en) | PROCESS TO PREPARE AN ELASTIC FABRIC FABRIC. | |
| CN105926079B (en) | Polypropylene film-fibre and preparation method and air filting material prepared therefrom | |
| CN112438539B (en) | Cool lasting quilt and preparation method thereof | |
| CN109594200B (en) | A kind of high-barrier spinning mixing melting mould assembly ventilative new material, preparation method and applications | |
| CN112030362A (en) | High-barrier polypropylene SMS (short message service) non-woven fabric and preparation method thereof | |
| CN109016707A (en) | A kind of pro-skin lateral leakage protection amenities surface layer and its processing technology | |
| CN111516339A (en) | Waterproof breathable fabric special for medical protective clothing and preparation method thereof | |
| CN107630354A (en) | Anti- blood finishing agent and anti-blood non-woven material of breathing freely for non-woven material | |
| WO2023071094A1 (en) | Quilt and manufacturing method therefor | |
| CN109385749A (en) | Super soft non-woven fabrics of one kind and preparation method thereof | |
| CN109137262A (en) | A kind of guarantor's liquid piece and its preparation method and application | |
| CN110965206B (en) | Polypropylene spun-bonded non-woven fabric and preparation process thereof for improving softness of polypropylene spun-bonded non-woven fabric | |
| CN107489021B (en) | The anti-urine infiltration finishing fluid of non-woven material and anti-urine non-woven material of breathing freely | |
| WO2024011949A1 (en) | Novel antibacterial breathable fabric and preparation method therefor | |
| CN110699860A (en) | Soft and smooth non-woven fabric and preparation method and application thereof | |
| CN108660616B (en) | Horizontal branch reinforced bionic tree-shaped non-woven composite material and preparation method thereof | |
| CN107460641B (en) | Flexible non-woven fabric and manufacturing method thereof | |
| CN114016207A (en) | Plant fiber bed core and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |