CN102121198A - Method for preparing non-woven fabric spray-planting film - Google Patents
Method for preparing non-woven fabric spray-planting film Download PDFInfo
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- CN102121198A CN102121198A CN2011100462736A CN201110046273A CN102121198A CN 102121198 A CN102121198 A CN 102121198A CN 2011100462736 A CN2011100462736 A CN 2011100462736A CN 201110046273 A CN201110046273 A CN 201110046273A CN 102121198 A CN102121198 A CN 102121198A
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- film
- nonwoven fabric
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- plastic sheeting
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Abstract
The invention provides a method for preparing a non-woven fabric spray-planting film, comprising the following steps: uniformly spraying dispersed fibers to a plastic film which is just shaped and is in a soft state, and laying the dispersed fibers as a mesh; and rolling by a roller to combine the fiber mesh with the plastic film to obtain the non-woven fabric spray-planting film. By utilizing the method for preparing the non-woven fabric spray-planting film, the dispersed fibers are uniformly sprayed on the plastic film which is just produced so that the non-woven fabric spray-planting film is prepared, thus the method provided by the invention is simple in process, operation is convenient and application range is wide.
Description
Technical field
The present invention relates to a kind of preparation method of composite membrane, relate to the preparation method that film is planted in a kind of nonwoven fabric spray particularly.
Background technology
Nonwoven fabric is the fiber assembly that is made of fiber orientation or at random, it does not pass through weaving process, and having diversity according to user's needs free adjustment fiber assembly degree, have characteristics such as pliable and tough, light weight, utilization more capable of circulation, be widely used in the products such as clothes class, Filters, wet tissue.But because the cost of nonwoven fabric is higher than plastic film, therefore, in order to utilize the These characteristics of nonwoven fabric better, and suitably reduce production costs, people have developed a kind of nonwoven fabrics composite film that adopts nonwoven fabric and plastic film to be composited again, the advantage of its integral plastic film and nonwoven fabric, and cost reduces significantly, at present, this kind nonwoven fabrics composite film is used in the products such as operation dress, diaper in a large number.
The preparation method of existing nonwoven fabrics composite film mainly contains following two kinds: a kind of is that nonwoven fabric and plastic film is bonding with glue, but, because the open-textured characteristics of nonwoven fabric, must cause a large amount of glue to infiltrate in the nonwoven fabric, and along with the sclerosis of the glue in the nonwoven fabric, nonwoven fabric is sclerosis thereupon also, finally make the pliability variation of nonwoven fabrics composite film, in addition, the a large amount of glue that use in this kind nonwoven fabrics composite film also can cause the cost of manufacture of composite membrane to raise, product has peculiar smell, does not also meet environmental requirement.Another kind is that plastics and nonwoven fabric heat are compound, and still, in this course, the small amount of fibers of nonwoven fabric can cause the quality that has influenced the nonwoven fabrics composite film of final acquisition product because damaging appears in heat fusing.
For addressing the above problem, a kind of preparation method of nonwoven fabrics composite film is disclosed among the CN100467711C, comprise and go up volume, gluing, drying, compound, five steps of cooling rolling successively, it adopts nonwoven fabric that synthetic resin fiber constitutes and is base material than nonwoven fabric softening temperature and the low thermoplastic synthetic resin film of melt temperature, the film of pre-thermal softening and nonwoven fabric are melting by fibre gap heat and are integrated, make nonwoven fabric and membrane-bound method; Wherein resin molding is a polythylene resin, adopt a kind of in low density polyethylene (LDPE), the high density polyethylene (HDPE), coating technique is by rubber roll pressurization gluing, glue is filled with among the site of gravure roll, glue in this site contacts with the substrate surface that is gummed by a resilient rubber roller again, and a part of glue in the site is transferred on the substrate surface.Among the preparation method of this kind nonwoven fabrics composite film, when nonwoven fabric and film are bonding, only on film, heat, make film softening by preheating, thereby reduce the adhesion heat that is communicated to nonwoven fabric,, influence product quality to prevent the fibers melt of nonwoven fabric.But, this kind preparation method's the scope of application is narrower, only can apply to compound nonwoven cloth and than nonwoven fabric softening temperature and the low thermoplastic synthetic resin film of melt temperature, the operation of the non-woven fabric compounded membrane preparation method of this kind is very complicated, loaded down with trivial details, production efficiency is low, and the nonwoven fabrics composite film product pliability that makes is poor.
Summary of the invention
The invention provides a kind of nonwoven fabric spray and plant the preparation method of film, to solve the above-mentioned problems in the prior art.The preparation method that film is planted in the spray of this kind nonwoven fabric evenly sprays to the fiber that disperses on the plastic sheeting of just having made, and makes the nonwoven fabric spray and plants film, and its operation is simple, easy to operate, applied widely.
Technical scheme of the present invention is as follows:
The preparation method of film is planted in a kind of nonwoven fabric spray, it is characterized in that, comprises following step:
1) fiber that disperses is evenly sprayed to moulding just and also still be on the plastic sheeting of soft state, adhered to one another, be laid to net;
2) pressure roller rolls fiber web is combined with plastic sheeting, after the cooling, obtains the nonwoven fabric spray and plants film.
When pressure roller rolls, suitably regulate the rolling pressure of pressure roller, the film product is planted in the nonwoven fabric spray that can obtain different adhesions and feel, to adapt to different needs.For instance, the nonwoven fabric spray that fiber web is pressed into plastic sheeting inside is planted the film product and can be improved self tension force, and the film product is planted in the nonwoven fabric spray that fiber web is bonded in the plastic sheeting surface, and then feel is splendid, the quality softness.
Need to prove that the cool time of the plastic sheeting of moulding just is extremely short, and according to the difference of plastic film material, slightly variant, be generally 0.01～0.1s, so the moulding of plastic sheeting and the spraying of loosen collagen fibre are all finished in a flash.
In the embodiment that recommends, the fiber of described dispersion obtains by following mode: add polymer in melt spraying non-woven fabrics equipment, extrude the fiber that the back obtains dispersion by spinning pack behind the polymer melt, fibroreticulate grammes per square metre is 1～50g/m
2
In the embodiment that recommends, the fiber of described dispersion can be paper fiber, wood pulp or cotton-wool etc.State in the use in the fiber that self does not have adhesive property, fibroreticulate grammes per square metre is with 1～30g/m
2Be advisable, come off from plastic sheeting to prevent fiber.
In the embodiment that recommends, the fiber of described dispersion also can be the plastic optical fibre of moulding in advance, and fibroreticulate grammes per square metre is 1～50g/m
2
In the embodiment that recommends, described polymer and described plastic sheeting adopt same material or compatible not same material to make.
In the embodiment that recommends, described plastic sheeting is the single or multiple lift structure, and described plastic film material is selected from least a among PP, HDPE, LDPE, PET, PA or the PVC etc.
In the embodiment that recommends, the grammes per square metre of plastic sheeting is 10～90g/m
2
By the above-mentioned description of this invention as can be known, compare with prior art, the present invention has following characteristics:
1) this kind preparation method evenly sprays to the fiber that disperses on the plastic sheeting of just having made, and makes the nonwoven fabric spray and plants film, and its operation is simple, easy to operate, applied widely;
2) this kind preparation method also can combine nonwoven fabric manufacture craft and film production technology, and it evenly sprays on the plastic film of just having made by the fiber that will be used for forming nonwoven fabric, obtains low, the soft nonwoven fabric spray of cost and plants film;
3) suitably regulate the rolling pressure of pressure roller, the film product is planted in the nonwoven fabric spray that can obtain different adhesions and feel, to adapt to different needs.
The specific embodiment
The following describes the specific embodiment of the present invention.
Embodiment 1
In melt spraying non-woven fabrics equipment, add PP (polypropylene) particle, treat to extrude the fiber that the back obtains dispersion by spinning pack after the PP particle fusion, the fiber that disperses is evenly sprayed to moulding just also still to be on the PE plastic sheeting (temperature is greatly about 120～140 ℃) of soft state, bonded to each other, be laid to net.
Pressure roller rolls, and the pressure when the adjusting pressure roller rolls is about 0.5MPa, and the PP fiber web partly is pressed into PE plastic sheeting inside, and obtaining the fiber web grammes per square metre is 10g/m
2, the plastic sheeting grammes per square metre is 15g/m
2Nonwoven fabric spray plant film.
Embodiment 2
The paper fiber that disperses is evenly sprayed to moulding just also still be on the PP plastic sheeting (temperature is greatly about 130～150 ℃) of soft state, be laid to net.
Pressure roller rolls, and the pressure when the adjusting pressure roller rolls is about 1.0MPa, makes the paper fiber be bonded in the plastic sheeting surface, and obtaining the fiber web grammes per square metre is 3g/m
2, the plastic sheeting grammes per square metre is 20g/m
2Nonwoven fabric spray plant film.
Embodiment 3
The plastic optical fibre that disperses is evenly sprayed to moulding just also still be on the PP plastic sheeting (temperature is greatly about 130～160 ℃) of soft state, adhered to one another, be laid to net.
Pressure roller rolls, and the pressure when the adjusting pressure roller rolls is 4.8MPa, makes plastic optical fibre be bonded in the plastic sheeting surface, and obtaining the fiber web grammes per square metre is 50g/m
2, the plastic sheeting grammes per square metre is 40g/m
2Nonwoven fabric spray plant film.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spiritual essence of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (8)
1. a nonwoven fabric sprays the preparation method who plants film, it is characterized in that, comprises following step:
1) fiber that disperses is evenly sprayed to moulding just and also still be on the plastic sheeting of soft state, adhered to one another, be laid to net;
2) pressure roller rolls fiber web is combined with plastic sheeting, after the cooling, obtains the nonwoven fabric spray and plants film.
2. the preparation method of film is planted in a kind of nonwoven fabric spray described in claim 1, it is characterized in that, the fiber of described dispersion obtains by following mode: add polymer in melt spraying non-woven fabrics equipment, extrude the fiber that the back obtains dispersion by spinning pack behind the polymer melt, fibroreticulate grammes per square metre is 1～50g/m
2
3. the preparation method of film is planted in a kind of nonwoven fabric spray described in claim 1, and it is characterized in that: the fiber of described dispersion is paper fiber, wood pulp or cotton-wool, and fibroreticulate grammes per square metre is 1～30g/m
2
4. the preparation method of film is planted in a kind of nonwoven fabric spray described in claim 1, and it is characterized in that: the fiber of described dispersion is the plastic optical fibre of moulding in advance, and fibroreticulate grammes per square metre is 1～50g/m
2
5. the preparation method of film is planted in a kind of nonwoven fabric spray described in claim 2 or 3 or 4, and it is characterized in that: described plastic sheeting is the single or multiple lift structure.
6. the preparation method of film is planted in the spray of a kind of nonwoven fabric described in claim 5, it is characterized in that: described plastic sheeting is selected from least a in PP, HDPE, LDPE, PET, PA or the PVC plastic sheeting.
7. the preparation method of film is planted in a kind of nonwoven fabric spray described in claim 6, and it is characterized in that: described polymer and described plastic sheeting adopt same material or compatible not same material to make.
8. the preparation method of film is planted in a kind of nonwoven fabric spray described in claim 6, and it is characterized in that: the grammes per square metre of described plastic sheeting is 10～90g/m
2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100462736A CN102121198A (en) | 2011-02-25 | 2011-02-25 | Method for preparing non-woven fabric spray-planting film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100462736A CN102121198A (en) | 2011-02-25 | 2011-02-25 | Method for preparing non-woven fabric spray-planting film |
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| Publication Number | Publication Date |
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| CN102121198A true CN102121198A (en) | 2011-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100462736A Pending CN102121198A (en) | 2011-02-25 | 2011-02-25 | Method for preparing non-woven fabric spray-planting film |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2237617Y (en) * | 1995-09-21 | 1996-10-16 | 浙江省平湖市南国实业有限公司 | Antibiosis fibre polyester compound film |
| CN100999870A (en) * | 2007-01-11 | 2007-07-18 | 何伟 | Preparation method of nonwoven fabrics composite film |
| CN101068966A (en) * | 2004-12-17 | 2007-11-07 | 阿尔巴尼国际公司 | Patterning on SMS product |
-
2011
- 2011-02-25 CN CN2011100462736A patent/CN102121198A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2237617Y (en) * | 1995-09-21 | 1996-10-16 | 浙江省平湖市南国实业有限公司 | Antibiosis fibre polyester compound film |
| CN101068966A (en) * | 2004-12-17 | 2007-11-07 | 阿尔巴尼国际公司 | Patterning on SMS product |
| CN100999870A (en) * | 2007-01-11 | 2007-07-18 | 何伟 | Preparation method of nonwoven fabrics composite film |
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Application publication date: 20110713 |