CN105821698A - Process for preparing composite nonwoven wallpaper - Google Patents
Process for preparing composite nonwoven wallpaper Download PDFInfo
- Publication number
- CN105821698A CN105821698A CN201610155226.8A CN201610155226A CN105821698A CN 105821698 A CN105821698 A CN 105821698A CN 201610155226 A CN201610155226 A CN 201610155226A CN 105821698 A CN105821698 A CN 105821698A
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- China
- Prior art keywords
- wallpaper
- preparation technology
- nonwoven wallpaper
- intermediate layer
- complex nonwoven
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0008—Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation
-
- 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
- D04H1/4326—Condensation or reaction polymers
- D04H1/435—Polyesters
-
- 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
Abstract
The invention discloses a process for preparing composite nonwoven wallpaper. The composite non-woven wallpaper is of a three-layer structure including a coated material at the upper layer, a wet-laid nonwoven material at the intermediate layer and a needle-punched nonwoven material at the lower layer. A surface density of the upper layer is 10 to 20g/m<2>; the intermediate layer is prepared by adopting wet forming and a spunlaced or thermo-bonding technology, and has a surface density of 100 to 200g/m<2>; the lower layer is prepared by adopting a carded web forming and a punched or thermo-bonding technology and has a surface density of 300 to 400g/m<2>; the three layers of materials are composited by adopting ultrasonic waves and a spunlaced technology, or the like. The composite non-woven wallpaper disclosed by the invention has excellent mechanical properties, favorable air permeability and dampproof and anti-fouling properties, excellent sound absorption property and certain antibacterial property. According to the process disclosed by the invention, defects that a traditional wallpaper material is likely to be affected by damp, is air-impermeable, and is free of sound insulation and noise reduction and the like are solved by adopting wet forming, punched and other nonwoven machining technologies, such that the composite nonwoven wallpaper is applied more widely.
Description
Technical field
The present invention relates to the preparation technology of a kind of complex nonwoven wallpaper, this complex nonwoven wallpaper material is applicable to home decoration field, the public place such as including hospital, community, KTV.
Background technology
At present, wallpaper on market is of a great variety, including pure paper wallpaper, PVC wallpaper, resin wallpaper etc., but these traditional wallpapers typically have moisture-sensitive, airtight, the most antibacterial, without shortcomings such as acoustically effectives, non-woven wallpaper solves an above-mentioned difficult problem as the wallpaper of a kind of green novel environment friendly.Non-woven wallpaper is due to the structure of its labyrinth and interfibrous close-packed arrays, and material is the most waterproof and dampproof, breathability is good, and has the environmental advantages of sound insulation and noise reducing.Meanwhile, non-woven wallpaper, by certain Final finishing mode, can make material possess the functional advantage such as antibacterial, fire-retardant.Non-woven wallpaper, especially complex nonwoven wallpaper is due to the advantage of himself, and its application will be more and more wider.
Summary of the invention
Goal of the invention: the invention aims to solve deficiency of the prior art, it is provided that the preparation technology of the complex nonwoven wallpaper of a kind of ventilative, antibacterial, anti-soil, sound insulation and noise reducing.
Technical scheme: the preparation technology of a kind of complex nonwoven wallpaper of the present invention, comprises the steps:
(1) wet-laying, spun lacing or heat bonding reinforcement technique is used to prepare intermediate layer；
(2) carding, acupuncture or heat bonding reinforcement technique is used to prepare lower floor；
(3) ultrasound wave complex technique is used upper strata, intermediate layer and subsurface material to be combined.
Further, the preparation technology in step (1) described intermediate layer comprises the steps:
(1) retted fibre that flax fiber uses physics, chemical or biological method carry out 1 ~ 2 month processes；
(2) take a certain amount of wood pulp paper in water, soak 2 ~ 4h, be placed in beater to smash by soaked wood pulp paper and make fiber pulp and be transported to surge tank, with prewet after the rescutched tow that puts into, ES chopped fiber be mixed into mixing that mass concentration is 0.2 ~ 2% slurry in the ratio of regulation；
(3) with pump for mortar transmission, mixing slurry is transported to molding preliminary hydro-extraction on papermaking forming machine；
(4) use spun lacing or hot blast process technology, shaping fiber net is reinforced.
Further, the preparation technology of step (2) described lower floor comprises the steps:
(1) hollow terylene shredding is fed carding machine the most afterwards；
(2) fiber passes through cross lapping technique, is prepared as fluffy fleece；
(3) carrying out pre-needling reinforcing according to the grammes per square metre folded fibre net feeding pre-needling machine set, arranging needling density is 150 ~ 250 thorns/cm2, depth of needling is 7 ~ 10mm；
(4) the fibre web main needing machine of feeding after pre-needling being carried out main pinprick reinforcement or feeding hot-rolling mill carries out hot rolling reinforcing, arranging needling density is 600 ~ 700 thorns/cm2, depth of needling is 5 ~ 7mm, and the hot rolling time is 10 ~ 30s, and hot rolling pressure is 0.2 ~ 1MPa, and hot-rolled temperature is 100 ~ 150 DEG C.
Further, the described compound preparation technology of step (3) comprises the steps:
(1) being folded by upper, middle and lower order by trilaminate material, send in ultrasound wave compounding machine, arranging platen pressure is 0.5 ~ 0.7MPa, pump current 1.8 ~ 2.5A；
(2) by dither wave loops to the material surface folded, under pressurized condition, make the phase mutual friction of trilaminate material surface and the fusion that formed between molecular layer, reach the welding of trilaminate material.
Further, complex nonwoven wallpaper includes upper strata, intermediate layer and lower floor, and described intermediate layer is between upper strata and lower floor；The surface density on described upper strata is 10 ~ 20g/m2, the surface density in described intermediate layer is 100 ~ 200g/m2, the surface density of described lower floor is 300 ~ 400g/m2。
Further, described upper strata uses polytetrafluoroethyl-ne alkenes ventilated membrane material.
Further, described intermediate layer includes wood pulp cellulose, and percentage by weight is 20 ~ 30%；Flax fiber, percentage by weight is 50 ~ 70%, a length of 4 ~ 7mm；ES fiber, percentage by weight is 10 ~ 20%, a length of 4 ~ 7mm.
Further, described lower floor includes hollow terylene, a length of 40 ~ 51mm, a diameter of 1.8 ~ 2.2dtex.
Further, the air penetrability of described complex nonwoven wallpaper is 300 ~ 450L/ (m2And use three-dimensional labyrinth structure s),.
Further, described complex nonwoven wallpaper is under the frequency of 1000 ~ 6300Hz, and acoustic absorptivity is 0.2 ~ 0.95；The contact angle on surface is 115 ~ 130 °.
The invention has the beneficial effects as follows: the present invention uses the nonwovens process such as wet-laying, carding, prepare intermediate layer and the understructure of complex nonwoven wallpaper material respectively, use the technology such as spun lacing, acupuncture, heat bonding that intermediate layer and lower floor are reinforced, the technology such as ultrasound wave are used to be combined with each other by trilaminate material, not only there is breathability, sound absorption properties, antibacterial, soil resistance, also maintains its excellent mechanical property simultaneously.The present invention solves conventional wall paper material moisture-sensitive, airtight, the not shortcoming such as sound insulation and noise reduction, and the application making complex nonwoven wallpaper is wider.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of the non-woven wallpaper of the present invention.
Detailed description of the invention
A kind of complex nonwoven wallpaper as shown in Figure 1, including upper strata 1, intermediate layer 2 and lower floor 3, described intermediate layer 2 is between upper strata 1 and lower floor 3；Described upper strata 1, surface density is 10 ~ 20g/m2, described intermediate layer 2 uses wet-laying, spun lacing or heat bonding reinforcement technique, and surface density is 100 ~ 200g/m2, described lower floor 3 uses carding, acupuncture or heat bonding reinforcement technique, and surface density is 300 ~ 400g/m2。
Wherein, upper strata 1 is polytetrafluoroethyl-ne alkenes ventilated membrane material, and upper strata 1 has the features such as waterproof and dampproof, antifouling, ventilative.Intermediate layer 2 uses wood pulp cellulose content 20% ~ 30%, flax fiber content 50% ~ 70%, length 4 ~ 7mm, ES fiber content 10% ~ 20%, length 4 ~ 7mm, uses wet-laying, spun lacing or heat bonding reinforcement technique, prepares 100 ~ 200g/m2Intermediate layer material, intermediate layer 2 has the features such as antibacterial, ventilative, sound absorption.Lower floor 3, with hollow terylene as raw material, uses carding, acupuncture or heat bonding reinforcement technique, prepares 300 ~ 400g/m2Subsurface material, lower floor 3 has the features such as ventilative, sound absorption.
The preparation technology of above-mentioned a kind of complex nonwoven wallpaper, comprises the steps:
(1) wet-laying, spun lacing or heat bonding reinforcement technique is used to prepare intermediate layer: the retted fibre that flax fiber uses physics, chemical or biological method carry out 1 ~ 2 month processes；Take a certain amount of wood pulp paper in water, soak 2 ~ 4h, be placed in beater to smash by soaked wood pulp paper and make fiber pulp and be transported to surge tank, with prewet after the rescutched tow that puts into, ES chopped fiber be mixed into mixing that mass concentration is 0.2 ~ 2% slurry in the ratio of regulation；With pump for mortar transmission, mixing slurry is transported to molding preliminary hydro-extraction on papermaking forming machine；Use spun lacing or hot blast process technology, the fleece of wet-laying is reinforced；
(2) carding, acupuncture or heat bonding reinforcement technique is used to prepare lower floor: hollow terylene shredding is fed carding machine the most afterwards；Fiber passes through cross lapping technique, is prepared as fluffy fleece；Grammes per square metre folded fibre net feeding pre-needling machine according to setting carries out pre-needling reinforcing, and arranging needling density is 150 ~ 250 thorns/cm2, depth of needling is 7 ~ 10mm；The fibre web main needing machine of feeding after pre-needling being carried out main pinprick reinforcement or feeding hot-rolling mill carries out hot rolling reinforcing, arranging needling density is 600 ~ 700 thorns/cm2, depth of needling is 5 ~ 7mm, and the hot rolling time is 10 ~ 30s, and hot rolling pressure is 0.2 ~ 1MPa, and hot-rolled temperature is 100 ~ 150 DEG C；
(3) above-mentioned trilaminate material use the technology such as ultrasound wave be combined: being folded by upper, middle and lower order by trilaminate material, send in ultrasound wave compounding machine, arranging platen pressure is 0.5 ~ 0.7MPa, pump current 1.8 ~ 2.5A；Utilize dither wave loops to the material surface folded, in the case of pressurization, make the phase mutual friction of trilaminate material surface and the fusion that formed between molecular layer, reach the welding of trilaminate material.
The preparation method of this complex nonwoven wallpaper is to prepare intermediate layer, lower floor's bi-material the most respectively, finally uses the technology such as ultrasound wave to be combined upper strata, intermediate layer and subsurface material, it is thus achieved that the non-woven wallpaper material of composite construction.
In above-mentioned technique, complex nonwoven wallpaper intermediate layer uses wet-laying, spun lacing or heat bonding reinforcement technique, lower floor uses carding, acupuncture or heat bonding reinforcement technique, the complex techniques such as three-decker Combined Mining ultrasound wave, prepared composite sound absorbing capabilities is good, breathability is good, there is again excellent mechanical property and anti-microbial property simultaneously, can promote at household furnishing fields and use.
The various performance parameters of this complex nonwoven wallpaper is as follows:
(1) breathability: the air penetrability of complex nonwoven wallpaper is 300 ~ 450L/ (m2S), material has three-dimensional labyrinth structure, and entire body is breathed freely；
(2) sound absorbing capabilities: complex nonwoven wallpaper is under the frequency of 1000 ~ 6300Hz, and acoustic absorptivity is 0.2 ~ 0.95, and material sound absorbing capabilities is excellent, can reach the effect of sound insulation and noise reducing；
(3) antibiotic property: intermediate layer of material main fibre is flax fiber, antibacterial experiment result shows, Caulis et Folium Lini is obvious to the killing effect of the common bacteria such as escherichia coli, gold-coloured staphylococci and fungus, and therefore this material has certain antibiotic property.
(4) antifouling property: the contact angle on complex nonwoven wallpaper surface is 115 ~ 130 °, shows that material is hydrophobic material, prevents the attachment of spot because material surface energy is low, thus reaches the purpose of antifouling anti-soil.
The Related product major technique of the present invention is as follows with performance indications: 1. physicochemical property and the presentation quality reference standard wallpaper QB/T4034-2010 of product performs；2. product meets antibacterial, environmental protection standard requirement；3. product meets sound insulation and noise reducing standard-required.
The present invention uses the nonwovens process such as wet-laying, carding, prepare intermediate layer and the understructure of complex nonwoven wallpaper material respectively, use the technology such as spun lacing, acupuncture, heat bonding that intermediate layer and lower floor are reinforced, the technology such as ultrasound wave are used to be combined with each other by trilaminate material, not only there is breathability, sound absorption properties, antibacterial, soil resistance, also maintains its excellent mechanical property simultaneously.The present invention solves conventional wall paper material moisture-sensitive, airtight, the not shortcoming such as sound insulation and noise reduction, and the application making complex nonwoven wallpaper is wider.
The above, it is only presently preferred embodiments of the present invention, not the present invention is made any pro forma restriction, although the present invention is disclosed above with preferred embodiment, but it is not limited to the present invention, any those skilled in the art, in the range of without departing from technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or is modified to the Equivalent embodiments of equivalent variations, in every case it is the content without departing from technical solution of the present invention, any simple modification above example made according to the technical spirit of the present invention, equivalent variations and modification, all still fall within the range of technical solution of the present invention.
Claims (10)
1. the preparation technology of a complex nonwoven wallpaper, it is characterised in that: comprise the steps:
(1) wet-laying, spun lacing or heat bonding reinforcement technique is used to prepare intermediate layer；
(2) carding, acupuncture or heat bonding reinforcement technique is used to prepare lower floor；
(3) ultrasound wave complex technique is used upper strata, intermediate layer and subsurface material to be combined.
The preparation technology of a kind of complex nonwoven wallpaper the most according to claim 1, it is characterised in that: the preparation technology in step (1) described intermediate layer comprises the steps:
(1) retted fibre that flax fiber uses physics, chemical or biological method carry out 1 ~ 2 month processes；
(2) take a certain amount of wood pulp paper in water, soak 2 ~ 4h, be placed in beater to smash by soaked wood pulp paper and make fiber pulp and be transported to surge tank, with prewet after the rescutched tow that puts into, ES chopped fiber be mixed into mixing that mass concentration is 0.2 ~ 2% slurry in the ratio of regulation；
(3) with pump for mortar transmission, mixing slurry is transported to molding preliminary hydro-extraction on papermaking forming machine；
(4) use spun lacing or hot blast process technology, shaping fiber net is reinforced.
The preparation technology of a kind of complex nonwoven wallpaper the most according to claim 1, it is characterised in that: the preparation technology of step (2) described lower floor comprises the steps:
(1) hollow terylene shredding is fed carding machine the most afterwards；
(2) fiber passes through cross lapping technique, is prepared as fluffy fleece；
(3) carrying out pre-needling reinforcing according to the grammes per square metre folded fibre net feeding pre-needling machine set, arranging needling density is 150 ~ 250 thorns/cm2, depth of needling is 7 ~ 10mm；
(4) the fibre web main needing machine of feeding after pre-needling being carried out main pinprick reinforcement or feeding hot-rolling mill carries out hot rolling reinforcing, arranging needling density is 600 ~ 700 thorns/cm2, depth of needling is 5 ~ 7mm, and the hot rolling time is 10 ~ 30s, and hot rolling pressure is 0.2 ~ 1MPa, and hot-rolled temperature is 100 ~ 150 DEG C.
The preparation technology of a kind of complex nonwoven wallpaper the most according to claim 1, it is characterised in that: step (3) is described compound preparation technology comprise the steps:
(1) being folded by upper, middle and lower order by trilaminate material, send in ultrasound wave compounding machine, arranging platen pressure is 0.5 ~ 0.7MPa, pump current 1.8 ~ 2.5A；
(2) by dither wave loops to the material surface folded, under pressurized condition, make the phase mutual friction of trilaminate material surface and the fusion that formed between molecular layer, reach the welding of trilaminate material.
5. according to the preparation technology of a kind of complex nonwoven wallpaper described in claim 1-4 any one, it is characterized in that: described complex nonwoven wallpaper includes upper strata (1), intermediate layer (2) and lower floor (3), described intermediate layer (2) are positioned between upper strata (1) and lower floor (3)；The surface density on described upper strata (1) is 10 ~ 20g/m2, the surface density of described intermediate layer (2) is 100 ~ 200g/m2, the surface density of described lower floor (3) is 300 ~ 400g/m2。
The preparation technology of a kind of complex nonwoven wallpaper the most according to claim 5, it is characterised in that: described upper strata (1) uses polytetrafluoroethyl-ne alkenes ventilated membrane material.
The preparation technology of a kind of complex nonwoven wallpaper the most according to claim 5, it is characterised in that: described intermediate layer (2) include wood pulp cellulose, and percentage by weight is 20 ~ 30%；Flax fiber, percentage by weight is 50 ~ 70%, a length of 4 ~ 7mm；ES fiber, percentage by weight is 10 ~ 20%, a length of 4 ~ 7mm.
The preparation technology of a kind of complex nonwoven wallpaper the most according to claim 5, it is characterised in that: described lower floor (3) includes hollow terylene, a length of 40 ~ 51mm, a diameter of 1.8 ~ 2.2dtex.
The preparation technology of a kind of complex nonwoven wallpaper the most according to claim 5, it is characterised in that: the air penetrability of described complex nonwoven wallpaper is 300 ~ 450L/ (m2And use three-dimensional labyrinth structure s),.
The preparation technology of a kind of complex nonwoven wallpaper the most according to claim 5, it is characterised in that: described complex nonwoven wallpaper is under the frequency of 1000 ~ 6300Hz, and acoustic absorptivity is 0.2 ~ 0.95；The contact angle on surface is 115 ~ 130 °.
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| CN201610155226.8A CN105821698B (en) | 2016-03-18 | 2016-03-18 | A kind of preparation technology of complex nonwoven wallpaper |
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| CN201610155226.8A CN105821698B (en) | 2016-03-18 | 2016-03-18 | A kind of preparation technology of complex nonwoven wallpaper |
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Cited By (5)
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| CN107326536A (en) * | 2016-11-22 | 2017-11-07 | 上海缔荣纺织品有限公司 | Special-shaped polyester fiber and the composite spunlaced wet tissue cloth of wood pulp cellulose and preparation method thereof |
| CN109097987A (en) * | 2018-08-24 | 2018-12-28 | 芜湖跃飞新型吸音材料股份有限公司 | A kind of preprocess method of hollow pet staple fiber |
| CN113293513A (en) * | 2021-05-24 | 2021-08-24 | 杭州洁诺实业有限公司 | Non-woven fabric preparation method based on carding and spunlace |
| CN113832590A (en) * | 2021-09-18 | 2021-12-24 | 五邑大学 | Preparation method of non-woven material based on spinning semi-finished product |
| CN114164560A (en) * | 2021-12-20 | 2022-03-11 | 江苏鼎良电气科技有限公司 | Non-woven fabric for cable production and preparation method thereof |
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| CN103085400A (en) * | 2013-02-05 | 2013-05-08 | 宁波市奇兴无纺布有限公司 | Rapid-water-absorption air-laid non-woven fabric and its processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107326536A (en) * | 2016-11-22 | 2017-11-07 | 上海缔荣纺织品有限公司 | Special-shaped polyester fiber and the composite spunlaced wet tissue cloth of wood pulp cellulose and preparation method thereof |
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| CN109097987A (en) * | 2018-08-24 | 2018-12-28 | 芜湖跃飞新型吸音材料股份有限公司 | A kind of preprocess method of hollow pet staple fiber |
| CN113293513A (en) * | 2021-05-24 | 2021-08-24 | 杭州洁诺实业有限公司 | Non-woven fabric preparation method based on carding and spunlace |
| CN113832590A (en) * | 2021-09-18 | 2021-12-24 | 五邑大学 | Preparation method of non-woven material based on spinning semi-finished product |
| CN114164560A (en) * | 2021-12-20 | 2022-03-11 | 江苏鼎良电气科技有限公司 | Non-woven fabric for cable production and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN105821698B (en) | 2017-11-17 |
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