CN100374635C - :Composite card web and air-lay process for producing non-woven fabric - Google Patents
:Composite card web and air-lay process for producing non-woven fabric Download PDFInfo
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- CN100374635C CN100374635C CNB001306413A CN00130641A CN100374635C CN 100374635 C CN100374635 C CN 100374635C CN B001306413 A CNB001306413 A CN B001306413A CN 00130641 A CN00130641 A CN 00130641A CN 100374635 C CN100374635 C CN 100374635C
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- air lay
- stratum reticulare
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Abstract
The present invention relates to a manufacturing process for composite nonwoven fabric of a cotton carding net and airflow netting, which comprises the following steps that (a) polymer fiber is carded by a cotton carding machine to form a cotton carding net layer; (b) a fiber material, a powder material or a granular material is carried out with airflow netting by an airflow netting device to form an airflow netting net layer; (c) the net layer is solidified to composite nonwoven fabric, wherein the order of step (a) and step (b) can be exchanged. The cotton carding machine and the airflow netting device are arranged on the same production line. The manufacturing process can omit the step for manufacturing the airflow netting net layer. Thus, the dosage of added thermoplastic polymers for increasing net layer strength can be reduced, and the manufacturing cost is reduced.
Description
Technical field
The present invention relates to the processing procedure of the compound nonwoven cloth of a kind of comb and parallel cotton fibers prior to spinning net and air lay, particularly the continuous process of the compound nonwoven cloth that comb and parallel cotton fibers prior to spinning processing procedure and air lay processing procedure are carried out on same production line.
Background technology
Nonwoven fabric has been widely used on household supplies and the medical supplies, for example paper nappy, cotton wool, operating coat or the like.Nonwoven fabric normally is made of different multilayer stratum reticulares, and manufacture method generally is according to forming the multilayer stratum reticulare is fixed.For example, U.S.Patent No.4 is in 196,245, mainly be that utilization melts and sprays stratum reticulare and other stratum reticulares are combined with each other, other stratum reticulares can be spunbond web layer, wet-laying (wet laid) stratum reticulare, comb and parallel cotton fibers prior to spinning (carded) stratum reticulare, air lay (air-laid) stratum reticulare etc.U.S.Patent No.4,287, in 251, mainly be that absorbed layer and superimposed the becoming of hydrophobic layer are had absorbefacient nonwoven fabric, its absorbed layer can be spunbond rayon (rayon) stratum reticulare, air lay stratum reticulare, wet-laying stratum reticulare or comb and parallel cotton fibers prior to spinning rayon stratum reticulare, and its hydrophobic layer can be any material with perforate.
As mentioned above, generally all mode is fixed forms with hot pressing (thermal bonding) etc. with the multilayer stratum reticulare for compound nonwoven cloth.Making stratum reticulare is different with the manufacturer that makes compound nonwoven cloth.Stratum reticulare manufacturer only makes stratum reticulare, stratum reticulare is sold compound nonwoven cloth manufacturer again.Compound nonwoven cloth manufacturer is consolidated the multilayer stratum reticulare and forms compound nonwoven cloth after stratum reticulare manufacturer buys suitable various stratum reticulares.
In recent years, the demand of air lay stratum reticulare heightens, and the main component of air lay stratum reticulare generally is a paper pulp, has intensity in order to make stratum reticulare, is convenient to carry, and needs to add the thermoplastic polymer (as thermoplastic PP/PE) of a great deal of.Providing absorbefacient in the air lay stratum reticulare is paper pulp, rather than thermoplastic PP/PE, and therefore a large amount of uses of thermoplastic PP/PE can cause the raising of cost.
Summary of the invention
The processing procedure that the purpose of this invention is to provide the compound nonwoven cloth of a kind of comb and parallel cotton fibers prior to spinning net and air lay, it can remove the step that the air lay stratum reticulare is made in off-line (off-line) from, thereby can be reduced to the thermoplastic polymer consumption that increase stratum reticulare intensity is added, thereby manufacturing cost is reduced.
To achieve the object of the present invention, the processing procedure of the compound nonwoven cloth of comb and parallel cotton fibers prior to spinning net of the present invention and air lay comprises the following steps:
(a) polymer fiber is carried out comb and parallel cotton fibers prior to spinning via a carding machine and handle, form a comb and parallel cotton fibers prior to spinning stratum reticulare;
(b) fiber, powder or granular material are carried out air lay via an air lay device, form an air lay stratum reticulare; And
(c) mode of utilizing heat bonding is the fixed compound nonwoven cloth that forms of above stratum reticulare,
Wherein (a) and (b) order of step is commutative, and this carding machine and this air lay device are arranged on the same production line.
According to the present invention, the polymer fiber that is suitable as the comb and parallel cotton fibers prior to spinning processing can be single composition fiber or biconstitutent fibre.When using single composition fiber, suitable composition can be the copolymer (COPET) of polypropylene (PP), polyethylene (PE), polyethylene terephthalate (PET), polybutylene terephthalate (PBT) (PBT), polyacrylic copolymer (COPP), polyethylene terephthalate, the copolymer (COPBT) or the polyamide of polybutylene terephthalate (PBT).When using two composition fiber, suitable composition can be PP/PE, PET/PE, PET/PP, COPP, COPET or high-melting point polyamide/low melting point polyamide etc.
According to the present invention; the raw material that is suitable as air lay can be fiber, powder or granular material, for example paper pulp, activated carbon fiber or particle or powder, super macromolecular fibre or powder, polymer fiber or powder, hot melt adhesive fiber or powder, hygroscopicity fibre or particle or powder, oil-absorption fiber or powder, deodorization fiber or powder or its mixture of absorbing.
The invention is characterized in comb and parallel cotton fibers prior to spinning processing procedure and air lay processing procedure are carried out on same production line, so at least one carding machine must be arranged on the same production line with at least one air lay device.Can carry out comb and parallel cotton fibers prior to spinning processing or the processing of advanced row air lay earlier, not qualification.
The fixed processing mode that the present invention is suitable for is restriction not, can be heat pressure adhesive, hot blast adhesion (hot air-through), water rolls (water-jet entangling), and ultrasonic is bonding or the high-frequency ripple is bonding (high frequency wave bonding) etc.
According to the present invention, can carry out comb and parallel cotton fibers prior to spinning earlier and handle, carry out air lay again and handle.Its step is as follows: earlier polymer fiber is carried out comb and parallel cotton fibers prior to spinning via first carding machine and handle, form the first comb and parallel cotton fibers prior to spinning stratum reticulare.Again a fiber, powder or granular material are carried out air lay via the first air lay device, and on this first comb and parallel cotton fibers prior to spinning stratum reticulare, form the first air lay stratum reticulare.The mode of utilizing heat bonding at last is with the fixed compound nonwoven cloth that forms of above stratum reticulare.Wherein first carding machine and the first air lay device are arranged on the same production line.
In addition, in order to reach specific function, also can be before stratum reticulare be fixed again according to a skim (can be ventilated membrane or hermetically sealable film) need being fitted on the stratum reticulare, and then carry out fixed.Its step is for example: earlier polymer fiber is carried out comb and parallel cotton fibers prior to spinning via first carding machine and handle, form the first comb and parallel cotton fibers prior to spinning stratum reticulare.Then, a fiber, powder or granular material are carried out air lay via the first air lay device, on this first comb and parallel cotton fibers prior to spinning stratum reticulare, form the first air lay stratum reticulare.Then, a film is fitted on this first air lay stratum reticulare.At last, utilize the mode of heat bonding with above stratum reticulare and the fixed compound nonwoven cloth that forms of film.Wherein this first carding machine and this first air lay device are arranged on the same production line.
Similarly, in order to reach specific function, also can be after stratum reticulare be consolidated into compound nonwoven cloth, it is polymer-coated on compound nonwoven cloth to utilize coating technique to make.Because coating layer uses hermetically sealable film usually, therefore be preferably in coating and carry out corona treatment more afterwards, make compound nonwoven cloth become porous, and have air permeable effect.
Processing procedure of the present invention is not limited in a comb and parallel cotton fibers prior to spinning processing procedure and an air lay processing procedure.Processing procedure of the present invention comprises at least comb and parallel cotton fibers prior to spinning processing procedure and at least air lay processing procedure.For example, can produce the compound nonwoven cloth (being abbreviated as the CAAC compound nonwoven cloth) of comb and parallel cotton fibers prior to spinning/air lay/air lay/comb and parallel cotton fibers prior to spinning (carded/air-laid/air-laid/carded) by processing procedure of the present invention.Its step is as follows: earlier polymer fiber is carried out comb and parallel cotton fibers prior to spinning via first carding machine and handle, form the first comb and parallel cotton fibers prior to spinning stratum reticulare.Again a fiber, powder or granular material are carried out air lay via the first air lay device, on this first comb and parallel cotton fibers prior to spinning stratum reticulare, form the first air lay stratum reticulare.Then, a fiber, powder or granular material are carried out air lay via the second air lay device, form the second air lay stratum reticulare on the first air lay stratum reticulare.Then, polymer fiber is carried out comb and parallel cotton fibers prior to spinning via second carding machine handle, on the second air lay stratum reticulare, form the second comb and parallel cotton fibers prior to spinning stratum reticulare.At last with the fixed compound nonwoven cloth that forms of above stratum reticulare.Wherein first carding machine and the first air lay device are arranged on the same production line.Preferably, first carding machine, second carding machine, the first air lay device and the second air lay device all are arranged on the same production line.
Again for example, can produce comb and parallel cotton fibers prior to spinning/air lay/comb and parallel cotton fibers prior to spinning/comb and parallel cotton fibers prior to spinning (carded/air-laid/carded/carded) compound nonwoven cloth (being abbreviated as the CACC compound nonwoven cloth) by processing procedure of the present invention.Its step is as follows: earlier polymer fiber is carried out comb and parallel cotton fibers prior to spinning via first carding machine and handle, form the first comb and parallel cotton fibers prior to spinning stratum reticulare.Again a fiber, powder or granular material are carried out air lay via the first air lay device, on this first comb and parallel cotton fibers prior to spinning stratum reticulare, form the first air lay stratum reticulare.Then, polymer fiber is carried out comb and parallel cotton fibers prior to spinning via second carding machine handle, on this first air lay stratum reticulare, form the second comb and parallel cotton fibers prior to spinning stratum reticulare.Then, polymer fiber is carried out comb and parallel cotton fibers prior to spinning via the 3rd carding machine handle, form the 3rd comb and parallel cotton fibers prior to spinning stratum reticulare at this second comb and parallel cotton fibers prior to spinning stratum reticulare.At last with the fixed compound nonwoven cloth that forms of above stratum reticulare.Wherein first carding machine and the first air lay device are arranged on the same production line.Preferably, first carding machine, second carding machine, the 3rd carding machine and the first air lay device all are arranged on the same line throughout one's life.
Because comb and parallel cotton fibers prior to spinning processing procedure and air lay processing procedure carry out on same production line among the present invention, therefore, make the compound nonwoven cloth of comb and parallel cotton fibers prior to spinning net and air lay by processing procedure of the present invention, can remove off-line from and make the step of air lay stratum reticulare, thereby can be reduced to the thermoplastic polymer consumption that increase stratum reticulare intensity is added, thereby manufacturing cost is reduced.
The specific embodiment
Below, by enumerating embodiment method of the present invention, feature and advantage being described, but be not in order to limiting scope of the present invention, scope of the present invention should be as the criterion with accompanying Claim.
Embodiment 1
(2d 51mm) is carded to basic weight 10g/m through the first road carding machine to the composite fibre of employing PP/PE earlier
2Web, pass through afterwards random web-laying equipment layer overlay paper pulp and composite fibre (PP/PE, 2d, the air lay stratum reticulare (second layer) that 5mm) mixes, its basic weight is 62g/m
2(paper pulp 42g/m
2, composite fibre 20g/m
2).Pass through second and third road carding machine subsequently, spread two-layer web (being respectively third and fourth layer) on the air lay stratum reticulare, its fiber is that (2d, 51mm), its basic weight is all 9g/m to employing PP/PE composite fibre
2The basic weight that amounts to four layers is 90g/m
2Above-mentioned four layers of cotton layer are sent into air-heater carry out heat bonding and form compound nonwoven cloth, after batch and finish, its rerum natura is as shown in table 1 below:
Table 1
| Project | Mean value |
| Basic weight | 90.56g/m 2 |
| The longitudinal pulling force percentage elongation | 3468.8g/25mm 20％ |
| The lateral pull percentage elongation | 1033.0g/25mm 28％ |
| Thickness | 3.12mm |
| The suction multiple | 32.2 doubly |
Embodiment 2
(2d 51mm), is carded to basic weight 15g/m through the first road carding machine to the composite fibre of employing PP/PE earlier
2Web, pass through random web-laying equipment layer overlay air lay stratum reticulare (second layer) afterwards.This air lay stratum reticulare comprises 21g/m
2The PP/PE composite fibre (2d, 5mm), 86g/m
2Paper pulp and 38g/m
2Absorbing water powder.Then, through second and third road carding machine, spread two-layer web (being respectively third and fourth layer) on the air lay stratum reticulare, its fiber is that (2d, 51mm), its basic weight is all 7.5g/m to employing PP/PE composite fibre
2The above-mentioned four stacked fiber webs that close are sent into air-heater carry out heat bonding and form compound nonwoven cloth, after batch and finish, its rerum natura is as shown in table 2 below:
Table 2
| Project | Mean value |
| Basic weight | 175.9g/m 2 |
| The longitudinal pulling force percentage elongation | 4271.3g/25mm 18％ |
| The lateral pull percentage elongation | 1309.7g/25mm 27％ |
| Thickness | 3.74mm |
| The suction multiple | 64.6 doubly |
| Uptake | 150.1g |
| Deflection | 13.1cm |
| Artificial menses | 2.46g |
Though the present invention is disclosed by above preferred embodiment, yet it is not in order to qualification the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention, change of being done and retouching are all within the scope of claims of the present invention.
Claims (16)
1. the processing procedure of the compound nonwoven cloth of comb and parallel cotton fibers prior to spinning net and air lay, it comprises the following steps:
(a) polymer fiber is carried out comb and parallel cotton fibers prior to spinning via a carding machine and handle, form a comb and parallel cotton fibers prior to spinning stratum reticulare;
(b) fiber, powder or granular material are carried out air lay via an air lay device, form an air lay stratum reticulare; And
(c) mode of utilizing heat bonding is the fixed compound nonwoven cloth that forms of above stratum reticulare,
Wherein step (a) and order (b) are commutative, and this carding machine and this air lay device are arranged on the same production line.
2. processing procedure as claimed in claim 1, wherein said polymer fiber are single composition fiber or biconstitutent fibre.
3. processing procedure as claimed in claim 2, the composition of wherein said single composition fiber are selected from the group that is made up of the copolymer of the copolymer of polypropylene, polyethylene, polyethylene terephthalate, polybutylene terephthalate (PBT), polyacrylic copolymer, polyethylene terephthalate, polybutylene terephthalate (PBT) and polyamide.
4. processing procedure as claimed in claim 2, the composition of wherein said biconstitutent fibre are selected from the group that is made up of the copolymer of the copolymer of polypropylene, polyethylene, polyethylene terephthalate/polyethylene, polyethylene terephthalate/polypropylene, polypropylene/polypropylene, polyethylene terephthalate/polyethylene terephthalate and high-melting point polyamide/low melting point polyamide.
5. processing procedure as claimed in claim 1, wherein said fiber, powder or granular material are to be selected from the group that is made up of following material: paper pulp, activated carbon fiber or particle or powder, super absorption macromolecular fibre or powder, polymer fiber or powder, hot melt adhesive fiber or powder, hygroscopicity fibre or particle or powder, oil-absorption fiber or powder, deodorization fiber or powder, and composition thereof.
6. processing procedure as claimed in claim 5, wherein said fiber, powder or granular material comprise paper pulp.
7. processing procedure as claimed in claim 6, wherein said fiber, powder or granular material comprise paper pulp and polymer fiber.
8. processing procedure as claimed in claim 1, it comprises following step of carrying out in regular turn:
(a) polymer fiber is carried out comb and parallel cotton fibers prior to spinning via first carding machine and handle, form the first comb and parallel cotton fibers prior to spinning stratum reticulare;
(b) fiber, powder or granular material are carried out air lay via the first air lay device, on this first comb and parallel cotton fibers prior to spinning stratum reticulare, form the first air lay stratum reticulare; And
(c) mode of utilizing heat bonding is the fixed compound nonwoven cloth that forms of above stratum reticulare,
Wherein this first carding machine and this first air lay device are arranged on the same production line.
9. processing procedure as claimed in claim 1, it comprises following step of carrying out in regular turn:
(a) polymer fiber is carried out comb and parallel cotton fibers prior to spinning via first carding machine and handle, form the first comb and parallel cotton fibers prior to spinning stratum reticulare;
(b) fiber, powder or granular material are carried out air lay via the first air lay device, on this first comb and parallel cotton fibers prior to spinning stratum reticulare, form the first air lay stratum reticulare; And
(c) film is fitted on this first air lay stratum reticulare;
(d) mode of utilizing heat bonding is above stratum reticulare and the fixed compound nonwoven cloth that forms of film,
Wherein this first carding machine and this first air lay device are arranged on the same production line.
10. processing procedure as claimed in claim 8, after step (c) was carried out, it further may further comprise the steps:
It is polymer-coated on the formed described compound nonwoven cloth of step (c) to utilize coating technique to make.
11. as the processing procedure of claim 10, it further may further comprise the steps:
To be coated with the compound nonwoven cloth of back gained with corona treatment.
12. processing procedure as claimed in claim 8, after step (b) is carried out, before step (c) carries out, it further may further comprise the steps:
One fiber, powder or granular material are carried out air lay via the second air lay device, form the second air lay stratum reticulare on the formed described first air lay stratum reticulare of step (b); And
Polymer fiber is carried out comb and parallel cotton fibers prior to spinning via second carding machine handle, on this second air lay stratum reticulare, form the second comb and parallel cotton fibers prior to spinning stratum reticulare.
13. as the processing procedure of claim 12, wherein said first carding machine, second carding machine, the first air lay device and the second air lay device are arranged on the same production line.
14. processing procedure as claimed in claim 8, after step (b) is carried out, before step (c) carries out, it further may further comprise the steps:
Polymer fiber is carried out comb and parallel cotton fibers prior to spinning via second carding machine handle, on this first air lay stratum reticulare, form the second comb and parallel cotton fibers prior to spinning stratum reticulare; And,
Polymer fiber is carried out comb and parallel cotton fibers prior to spinning via the 3rd carding machine handle, on this second comb and parallel cotton fibers prior to spinning stratum reticulare, form the 3rd comb and parallel cotton fibers prior to spinning stratum reticulare.
15. as the processing procedure of claim 14, wherein said first carding machine, second carding machine, the 3rd carding machine and the first air lay device are arranged on the same production line.
16. processing procedure as claimed in claim 1, wherein said heat bonding method is heat pressure adhesive, hot blast adhesion, ultrasonic is bonding or the high-frequency ripple is bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001306413A CN100374635C (en) | 2000-09-29 | 2000-09-29 | :Composite card web and air-lay process for producing non-woven fabric |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001306413A CN100374635C (en) | 2000-09-29 | 2000-09-29 | :Composite card web and air-lay process for producing non-woven fabric |
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| Publication Number | Publication Date |
|---|---|
| CN1344827A CN1344827A (en) | 2002-04-17 |
| CN100374635C true CN100374635C (en) | 2008-03-12 |
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| CNB001306413A Expired - Lifetime CN100374635C (en) | 2000-09-29 | 2000-09-29 | :Composite card web and air-lay process for producing non-woven fabric |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929082B (en) * | 2010-08-10 | 2012-07-11 | 招汉 | Composite absorbent material and preparation method thereof |
| CN102555367A (en) * | 2011-12-31 | 2012-07-11 | 山东俊富非织造材料有限公司 | Manufacturing method for disposable sanitary base material and production line thereof |
| CN103409943B (en) * | 2013-08-14 | 2016-03-09 | 杭州诺邦无纺股份有限公司 | The processing method of printing bonded fabric, printing bonded fabric and processing unit (plant) |
| CN110302755B (en) * | 2019-07-02 | 2022-09-27 | 江苏申杰活性炭纤维应用科技有限公司 | Dry-method modified activated carbon fiber GACF composite material and preparation method thereof |
| CN112709008A (en) * | 2021-01-22 | 2021-04-27 | 常州百朋纺织有限公司 | Rear electret type hot air electrostatic filter cotton and manufacturing method thereof |
| CN113279099B (en) * | 2021-06-24 | 2022-08-09 | 厦门安踏体育用品有限公司 | Quick-drying cotton yarn and preparation method thereof, and quick-drying fabric and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992008834A1 (en) * | 1990-11-19 | 1992-05-29 | Mölnlycke AB | A method of hydroentangling |
| US5320900A (en) * | 1993-08-10 | 1994-06-14 | E. I. Du Pont De Nemours And Company | High absorbency cleanroom wipes having low particles |
| CN1162659A (en) * | 1996-04-12 | 1997-10-22 | 西安白鹿羊毛被套厂 | Method for producing spray spinning wools from waste and used wools |
| WO2000008245A1 (en) * | 1998-07-31 | 2000-02-17 | Rieter Perfojet | Method for producing a complex nonwoven material and resulting novel material |
-
2000
- 2000-09-29 CN CNB001306413A patent/CN100374635C/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992008834A1 (en) * | 1990-11-19 | 1992-05-29 | Mölnlycke AB | A method of hydroentangling |
| US5320900A (en) * | 1993-08-10 | 1994-06-14 | E. I. Du Pont De Nemours And Company | High absorbency cleanroom wipes having low particles |
| CN1162659A (en) * | 1996-04-12 | 1997-10-22 | 西安白鹿羊毛被套厂 | Method for producing spray spinning wools from waste and used wools |
| WO2000008245A1 (en) * | 1998-07-31 | 2000-02-17 | Rieter Perfojet | Method for producing a complex nonwoven material and resulting novel material |
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| CN1344827A (en) | 2002-04-17 |
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