CN107128051A - Pre-coating film and its manufacture method and device systems with pile effects - Google Patents
Pre-coating film and its manufacture method and device systems with pile effects Download PDFInfo
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- CN107128051A CN107128051A CN201710477028.8A CN201710477028A CN107128051A CN 107128051 A CN107128051 A CN 107128051A CN 201710477028 A CN201710477028 A CN 201710477028A CN 107128051 A CN107128051 A CN 107128051A
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- 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
- B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
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- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
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- 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
- B32B37/0046—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by constructional aspects of the apparatus
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- 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
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- 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
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- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
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Abstract
The invention discloses a kind of pre-coating film with pile effects and its manufacture method and device systems.The present invention uses meltblown method into the net, the high polymer molten high-speed and high-temperature of Screw Extrusion is blown or other means, melt stream is extremely stretched and form superfine chopped fiber, then gather and form polypropylene fiber net on support lace curtaining, then film forming is bonded by the hot-pressing roller and polymer double stretching film of special construction, surface finally is discussed separately by what hot melt adhesive layer was coated in the plastic basis material, pre-coating film is obtained.The maximum feature of this pre-coating film is：There is the short cladding lid of unordered polymer on surface so that film surface has the special feel of matte, available for the cosmetics of super quality, the packing box overlay film of luxury goods, can be used for the surface coating of high-grade books.
Description
Technical field
The present invention relates to technical field of material chemistry, more particularly to a kind of pre-coating film and its manufacture with pile effects
Method and apparatus system.
Background technology
Paper printing package overlay film belongs to one kind of surface finish processing technology after print, refers in paper printed matter and bag
Dress product surface, the process technology of product is unified with a kind of paper formed by the laminating layer of plastic film of laminating machine.Pre-coating film work
Skill refers to the technique that will be combined again with paper printing products after plastic sheeting gluing rewinding in advance, is compared than traditional i.e. painting type film,
With technique the advantages of simple, solvent-free smell, non-environmental-pollution, it is widely used in all kinds of packing boxes, packaging bag, books envelope
On the paper printing matters such as face.
With horizontal more and more higher of the people to product external packaging, the extraordinary pre-coating film that surface has sense of touch effect exists
In the market occurs.Its technical characterstic is that the technique that coating is taken on common pre-coating film increases a polyurethane coating so that
Pre-coating film surface obtains silk and slides fine and smooth sense of touch.And the present invention will be related to a kind of processing of the pre-coating film with special pile effects
Technique and product.
The Chinese patent of Application No. 201510412684.0 discloses a kind of formula of sense of touch film, and its face coat is used
Polyurethane and polyaziridine crosslinking agent, its mass ratio are (90-99)：(10:1), its coating layer thickness is 2-5 microns.This precoating
The existing preferably anti-scratch colored performance in film surface, has silk to slide fine and smooth sense of touch again.
Application No. 201610950164.X Chinese patent discloses the preparation method of another sense of touch film, and its surface is gathered
Urethane layer adds 0.01-01mg/m2 graphene microchip, and the thickness of whole tactile layer is 1-10 microns.Graphene sheet
Add the performance of the heat conduction for adding pre-coating film and anti-scratch flower.
The Chinese patent of Application No. 201120019926.7, which discloses surface, has the biaxial stretching polypropylene of embossing effect
Alkene film, the film has the three-decker of base membrane layer, intermediate layer and hot melt adhesive layer, and the wherein thickness of basement membrane is 15-60 microns,
Membrane surface has irregular decorative pattern, and its raised and depression height is between 5-10 microns.The purpose is to the picture after overlay film,
Picture album surface has anti-pollution, antifriction and attractive in appearance effect.
The Chinese patent of Application No. 201020557676.8 discloses a kind of with layer of polypropylene foil, glass fibre bone
The pre-coating film of rack-layer, modified poly ethylene layer and hot melt adhesive layer four-layer structure, glass fibre casing play therein can be greatly enhanced
Film strength is precoated, but it is located at the lower floor of polypropylene film layer surface, therefore shadow will not be produced to the sense of touch of film surface
Ring.
The sense of touch film surface of prior art is based primarily upon polyurethane material, and its sense of touch effect is limited, the effect without matte
Really..
Therefore, the prior art is defective, it is necessary to improve.
The content of the invention
The technical problems to be solved by the invention are：A kind of special feel with matte is provided, available for top grade cosmetic
The packing box overlay film of product, luxury goods, can be used for pre-coating film and its manufacture method and equipment system that the surface of high-grade books is covered
System.
Technical scheme is as follows：A kind of manufacture method of the pre-coating film with pile effects, comprises the following steps：
S1：Heating extrusion is carried out to polypropylene agglomerate by screw extruder, and with molten condition by fondant filter and measuring pump,
Melt polypropylene is sprayed by spinning nozzle；Make melt polypropylene under the airflow function of high-speed and high-temperature, low pressure stretching, drawing-off is solid
Turn to threadiness, and the fiber that drawing-off solidifies adhesion and is formed the polypropylene fibre of random network structure on support lace curtaining
Net；S2：Former film is opened, former film is combined together at reticulate pattern hot-pressing roller with polypropylene fiber net by way of hot pressing,
After former film and polypropylene fiber net are bonded completely, forming surface has the film of pile effects；S3：By apparatus for coating, according to
Secondary coating PEI intermediate layers and composite hot melt adhesive EVA layer；S4：After drying, obtaining upper surface has pile effects, and bottom is contained multiple
Close the pre-coating film of PUR EVA layer.
Applied to above-mentioned technical proposal, in described preparation method, in step S1, each area's heating-up temperature of screw extruder
It is respectively set to 130 DEG C, 160 DEG C, 190 DEG C, 200 DEG C and 220 DEG C.
Applied to each above-mentioned technical proposal, in described preparation method, in step S1, when drawing-off solidifies, drawing-off wind wind
Press as 0.020~0.030MPa, wind speed is 1500~2000m/min, drawing of fiber ratio is 1：200~300, also, drawing-off is solid
The fibre diameter of change is controlled at 15-40 microns；Also, the thickness of polypropylene fiber net is 20-40 microns, 0.5-2 meters of width.
Applied to each above-mentioned technical proposal, in described preparation method, in step S2, specifically, former film and polypropylene
Web is combined together in the presence of upper reticulate pattern hot-pressing roller and lower reticulate pattern hot-pressing roller by way of hot pressing, also, on
The external diameter of reticulate pattern hot-pressing roller and lower reticulate pattern hot-pressing roller is 20-50cm, also, its internal diameter is 15-45cm, and hot pressing temperature is set
It is set to 150-190 DEG C, the pressure between upper reticulate pattern hot-pressing roller and lower reticulate pattern hot-pressing roller is 5-10bar.
Applied to each above-mentioned technical proposal, in described preparation method, there is 400-1000 on the lower reticulate pattern hot-pressing roller
Connection vacuum extractor inside purpose small sircle hole, also, the lower reticulate pattern hot-pressing roller.
Applied to each above-mentioned technical proposal, in described preparation method, in step s 2, there is matte forming surface
In the thin-film process of effect, hot drying tunnel is also configured with to it, wherein, hot drying tunnel is divided into three sections, and makes the temperature control of hot drying tunnel
For 70-100 DEG C.
Applied to each above-mentioned technical proposal, in described preparation method, in step S3, it is specially：0.01- is coated with successively
0.05 micron of PEI intermediate layers, and 20-40 microns of composite hot melt adhesive EVA layer, also, in step S5, drying to be coated
Afterwards, wound by trimming up- coiler, obtaining upper surface has pile effects, and the pre- of composite hot melt adhesive EVA layer is contained in bottom
Film.
Applied to each above-mentioned technical proposal, there is matte effect obtained by any preparation method of more than one claims
The pre-coating film of fruit, sequentially includes from top to bottom：Matte layer, substrate layer, PEI intermediate layers and composite hot melt adhesive EVA layer, wherein, institute
State matte layer for melt polypropylene under the airflow function of high-speed and high-temperature, low pressure stretching, drawing-off is cured as threadiness, and makes drawing-off
The fiber of solidification adhesion and forms the polypropylene fiber net of random network structure on support lace curtaining；The matte layer and the base
Material layer is combined by way of hot pressing, and forms surface and have the film of pile effects.
Applied to each above-mentioned technical proposal, device systems used in any preparation method of more than one claims,
Including：Including the screw extruder being linked in sequence, filter, measuring pump, spinning nozzle, support lace curtaining, up and down double reticulate pattern hot-pressing rollers
And apparatus for coating；Wherein, high-speed and high-temperature airflow, the wind direction and spinning nozzle of the high-speed and high-temperature airflow are provided with above support lace curtaining
Injection direction is relative, also, support lace curtaining is connected with a vacuum extractor；Also, double reticulate pattern hot-pressing rollers include reticulate pattern up and down
There are the small sircle hole of 400-1000 mesh, also, the lower reticulate pattern heat on hot-pressing roller and lower reticulate pattern hot-pressing roller, the lower reticulate pattern hot-pressing roller
The connection vacuum extractor inside pressure roller.
Applied to each above-mentioned technical proposal, in described device systems, the reticulate pattern hot-pressing rollers double up and down are applied with described
A heat preservation oven is also set up between cloth apparatus, also, also sets up a trimming up- coiler being connected with the apparatus for coating.
Using such scheme, the present invention uses meltblown method into the net, and the high polymer molten of Screw Extrusion is high
Fast high temperature blows or other means, melt stream is extremely stretched and forms superfine chopped fiber, then gathers support lace curtaining
Upper formation polypropylene fiber net, then bonds film forming by the hot-pressing roller and polymer double stretching film of special construction, finally will
What hot melt adhesive layer was coated in the plastic basis material discusses separately surface, obtains pre-coating film.The maximum feature of this pre-coating film is：Surface whether there is
The short cladding lid of polymer of sequence so that film surface has the special feel of matte, available for the cosmetics of super quality, the bag of luxury goods
Mounted box overlay film, can be used for the surface coating of high-grade books.
Brief description of the drawings
Fig. 1 is device systems process structure figure of the invention；
Fig. 2 is the structure chart of reticulate pattern hot-pressing roller in the present invention；
Fig. 3 is the enlarged drawing of part A in Fig. 2；
Fig. 4 is Fig. 2 view in transverse section；
Fig. 5 is the structure chart of pre-coating film in invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Present embodiments provide a kind of manufacture method of pre-coating film with pile effects and use manufacturer's legal system
The device systems that the pre-coating film and the manufacture method obtained is used.
Wherein, heating and crowding-out effect of the spinning-grade polypropylene agglomerate by screw extruder 101, are passed through with molten condition
Fondant filter 102 and measuring pump 103, most spray through spinning nozzle 104 afterwards, the desired temperature in each area of screw extruder 101
Respectively 130/160/190/200/220 DEG C.
Melt polypropylene is in the case where the air-flow 105 of high-speed and high-temperature is acted on, low pressure stretching, drawing-off wind blast 0.020~
0.030MPa or so, wind speed is in 1500~2000m/min or so, and drawing of fiber ratio is between 200~300.
Drawing of fiber multiple is low, and the degree of orientation of fiber is low, and remaining draw ratio is larger, and drawing-off is cured as threadiness, fiber
Diameter control forms the polypropylene fiber net of the random netted arrangement of continuity, poly- third at 15-40 microns on support lace curtaining 106
The thickness of alkene web is 20-40 microns, 0.5-2 meters of width, because support lace curtaining 105 is internally connected with vacuum extractor 107, because
This fiber not being fully cured can be sticked together by negative pressure caused by the support inside vacuum extractor 107 of lace curtaining 106, and shape
Into the polypropylene fiber net of random network structure.
Substrate layer, such as BOPP/BOPET/ golden films, silverskin are opened by unwinding device 110, with gathering at reticulate pattern hot-pressing roller
The mode that hot pressing is crossed by tacryl Netcom is combined together, and upper reticulate pattern hot-pressing roller 109 and lower reticulate pattern hot-pressing roller 108 is outer herein
Footpath is between 20-50cm, and internal diameter is between 15-45cm, and temperature is set between 150-190 DEG C, the pressure of two reticulate pattern hot-pressing rollers
Power is between 5-10bar.
There is the small sircle hole 202 of 400-1000 mesh on the lower reticulate pattern hot-pressing roller of lower end, as shown in Figure 2,3, 4, Fig. 4 is only to be decorated with
The sectional view of the reticulate pattern hot-pressing roller of one small sircle hole 202, the lower inside of reticulate pattern hot-pressing roller 201 connection vacuum extractor.This design
Purpose be to avoid in high-speed extrusion recombination process, crush-zone formation air turbulence is to the shadow of polypropylene fiber net uniformity
Ring.Because the diameter of vacuum furnace small sircle hole is less than polypropylene fibre diameter, in vacuum, air turbulence can be arranged rapidly
Go out, and polypropylene fiber net is attached to the surface of vacuum reticulate pattern hot-pressing roller, it is ensured that former film base material layer exists with polypropylene fiber net
The planarization of hot pressing, uniformity.
As shown in figure 5, after former film 502 is bonded completely with polypropylene fiber net 501, forming surface has pile effects
Film, wherein, former film 502 is film, due to the difference of former membrane material and polypropylene fiber net material tension, in order to avoid compound
Material produces fold or bending, and production process configures hot drying tunnel, and drying tunnel is divided into three sections, and temperature control is at 70-100 DEG C, to eliminate
Stress inside film, wherein, the hot drying tunnel is heat preservation oven, and the hot drying tunnel of heat preservation oven is divided into three sections of hot drying tunnels, each
The temperature control of hot drying tunnel is 70-100 DEG C..
After heat preservation oven 111, film will be coated with the middle of 0.01-0.05 microns of PEI successively by apparatus for coating
The composite hot melt adhesive EVA layer 504 of 503,20-40 microns of layer, after after glue-line drying, is wound by trimming up- coiler, is obtained
Upper surface has pile effects, and the pre-coating film of EVA glue-lines is contained in bottom, wherein, the substrate layer of the former formation of film 502 pre-coating film gathers
The matte layer of the formation pre-coating film of tacryl net 501.
It is specific embodiment below：
Example 1：
Polypropylene agglomerate (F280S, oil of SPC) sprays by screw extruder through spinning nozzle, each area's temperature of extruder
It is respectively 130/160/200/220/220 DEG C to spend setting value.Melt polypropylene is under the airflow function of high-speed and high-temperature, and low pressure is drawn
Stretch, drawing-off wind blast is in 0.025MPa or so, and wind speed is in 1558m/min or so, and drawing of fiber ratio is between 201, drawing of fiber
Multiple is low, and the degree of orientation of fiber is low, and remaining draw ratio is larger, and drawing-off is cured as threadiness, and fibre diameter is controlled at 40 microns
Left and right, forms the random netted arrangement of continuity on support lace curtaining, and thickness is 45 microns, 0.5 meter of width.
BOPP original films are opened by unwinding device, at reticulate pattern hot-pressing roller with polypropylene fiber net by way of hot pressing
It is combined together, the external diameter of hot-pressing roller is 30cm above and below hot-pressing roller up and down herein, and internal diameter is 25cm, and temperature is set in 180 DEG C,
The pressure of two rollers is in 6bar.The use of lower end has the hot-pressing roller of 400 mesh small sircle holes.
After former film and polypropylene fiber net are bonded completely, forming surface has the film of pile effects, this film meeting
By hot drying tunnel, drying tunnel is divided into three sections, and temperature is respectively 70/80/90 DEG C.
After baking oven, film by apparatus for coating, will be coated with 0.02 micron of PEI intermediate layers successively, 25 microns
Composite hot melt adhesive EVA layer, after after glue-line drying, is wound, obtaining upper surface has pile effects, bottom by trimming up- coiler
Contain the pre-coating film of EVA glue-lines in portion.Because fibre diameter is in 40 microns so that pre-coating film surface have very strong third dimension and
Obviously matte sense of touch.
Example 2：
Polypropylene agglomerate (YF3003, Yangtze petrochemical industry) sprays by screw extruder through spinning nozzle, each area of extruder
Desired temperature is respectively 140/160/190/200/200 DEG C.Melt polypropylene is under the airflow function of high-speed and high-temperature, polypropylene
Melt is under the airflow function of high-speed and high-temperature, low pressure stretching, and drawing-off wind blast is in 0.030MPa or so, and wind speed is in 2000m/min
Left and right, drawing of fiber ratio is between 280, and drawing of fiber multiple is low, and the degree of orientation of fiber is low, and remaining draw ratio is larger, drawing-off
Threadiness is cured as, fibre diameter control forms the random netted arrangement of continuity, thickness in 15 microns on support lace curtaining
For 18 microns, 1.0 meters of width.
Golden film original film is opened by unwinding device, at reticulate pattern hot-pressing roller with polypropylene fiber net by way of hot pressing
It is combined together, the external diameter of hot-pressing roller is 40cm up and down herein, and internal diameter is 35cm, and temperature is set in 190 DEG C, the pressure of two rollers
Power is in 9bar.The use of lower end has the hot-pressing roller of 1000 mesh small sircle holes.
After former film and polypropylene fiber net are bonded completely, forming surface has the film of pile effects, this film meeting
By hot drying tunnel, drying tunnel is divided into three sections, and temperature is respectively 70/70/70 DEG C.
After baking oven, film by apparatus for coating, will be coated with 0.01 micron of PEI intermediate layers successively, 20 microns
Composite hot melt adhesive EVA layer, after after glue-line drying, is wound, obtaining upper surface has pile effects, bottom by trimming up- coiler
Contain the precoating golden film of EVA glue-lines in portion.Because fibre diameter is thinner, and thinner thickness, therefore polypropylene net finishing coat will
The gold of membrane surface is completely covered so that the sense of touch of this existing matte in matte film surface, the reflecting effect for having gold again.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Any modifications, equivalent substitutions and improvements made within principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of manufacture method of the pre-coating film with pile effects, it is characterised in that comprise the following steps：
S1：By screw extruder to polypropylene agglomerate carry out heating extrusion, and by molten condition by fondant filter and in terms of
Pump is measured, melt polypropylene is sprayed by spinning nozzle；Make melt polypropylene under the airflow function of high-speed and high-temperature, low pressure stretching,
Drawing-off is cured as threadiness, and the fiber that drawing-off solidifies adhesion and is formed the polypropylene of random network structure on support lace curtaining
Web；
S2：Former film is opened, former film is combined together at reticulate pattern hot-pressing roller with polypropylene fiber net by way of hot pressing,
After former film and polypropylene fiber net are bonded completely, forming surface has the film of pile effects；
S3：By apparatus for coating, PEI intermediate layers and composite hot melt adhesive EVA layer are coated with successively；
S4：After drying, obtaining upper surface has pile effects, and the pre-coating film of composite hot melt adhesive EVA layer is contained in bottom.
2. preparation method according to claim 1, it is characterised in that：In step S1, each area heating temperature of screw extruder
Degree is respectively set to 130 DEG C, 160 DEG C, 190 DEG C, 200 DEG C and 220 DEG C.
3. preparation method according to claim 1, it is characterised in that：In step S1, when drawing-off solidifies, drawing-off wind blast is
0.020~0.030MPa, wind speed is 1500~2000m/min, and drawing of fiber ratio is 1：200~300, also, drawing-off solidification
Fibre diameter is controlled at 15-40 microns；Also, the thickness of polypropylene fiber net is 20-40 microns, 0.5-2 meters of width.
4. preparation method according to claim 1, it is characterised in that：In step S2, specifically, former film and polypropylene fibre
Net is combined together in the presence of upper reticulate pattern hot-pressing roller and lower reticulate pattern hot-pressing roller by way of hot pressing, also, upper reticulate pattern
The external diameter of hot-pressing roller and lower reticulate pattern hot-pressing roller is 20-50cm, also, its internal diameter is 15-45cm, and hot pressing temperature is set as
150-190 DEG C, the pressure between upper reticulate pattern hot-pressing roller and lower reticulate pattern hot-pressing roller is 5-10bar.
5. preparation method according to claim 4, it is characterised in that：There are 400-1000 purposes on the lower reticulate pattern hot-pressing roller
Connection vacuum extractor inside small sircle hole, also, the lower reticulate pattern hot-pressing roller.
6. preparation method according to claim 1, it is characterised in that：In step s 2, there is matte effect on formation surface
In the thin-film process of fruit, hot drying tunnel is also configured with to it, wherein, hot drying tunnel is divided into three sections, and makes the temperature control of hot drying tunnel be
70-100℃。
7. preparation method according to claim 1, it is characterised in that：In step S3, it is specially：0.01- is coated with successively
0.05 micron of PEI intermediate layers, and 20-40 microns of composite hot melt adhesive EVA layer, also, in step S5, drying to be coated
Afterwards, wound by trimming up- coiler, obtaining upper surface has pile effects, and the pre- of composite hot melt adhesive EVA layer is contained in bottom
Film.
8. the pre-coating film with pile effects obtained by a kind of any preparation methods of claim 1-7, it is characterised in that：By upper
Include to lower order：Matte layer, substrate layer, PEI intermediate layers and composite hot melt adhesive EVA layer, wherein, the matte layer is polypropylene
Melt is under the airflow function of high-speed and high-temperature, low pressure stretching, and drawing-off is cured as threadiness, and makes the fiber that drawing-off solidifies in support net
Adhesion and the polypropylene fiber net of random network structure is formed on curtain；The matte layer passes through hot pressing with the substrate layer
Mode is combined, and forms surface and have the film of pile effects.
9. device systems used in a kind of any preparation methods of claim 1-7, it is characterised in that including：
Including the screw extruder being linked in sequence, filter, measuring pump, spinning nozzle, support lace curtaining, up and down double reticulate pattern hot-pressing rollers and
Apparatus for coating；
Wherein, high-speed and high-temperature airflow, wind direction and the spinning nozzle injection side of the high-speed and high-temperature airflow are provided with above support lace curtaining
To relative, also, support lace curtaining is connected with a vacuum extractor；
Also, double reticulate pattern hot-pressing rollers include on reticulate pattern hot-pressing roller and lower reticulate pattern hot-pressing roller, the lower reticulate pattern hot-pressing roller up and down
There is the connection vacuum extractor inside the small sircle hole of 400-1000 mesh, also, the lower reticulate pattern hot-pressing roller.
10. device systems according to claim 9, it is characterised in that：The reticulate pattern hot-pressing rollers double up and down and the coating
A heat preservation oven is also set up between device, also, also sets up a trimming up- coiler being connected with the apparatus for coating.
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| CN201710477028.8A CN107128051B (en) | 2017-06-21 | 2017-06-21 | Precoating film with suede effect, manufacturing method thereof and equipment system |
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|---|---|---|---|
| CN201710477028.8A CN107128051B (en) | 2017-06-21 | 2017-06-21 | Precoating film with suede effect, manufacturing method thereof and equipment system |
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| CN107128051A true CN107128051A (en) | 2017-09-05 |
| CN107128051B CN107128051B (en) | 2023-02-28 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112960444A (en) * | 2019-12-14 | 2021-06-15 | 杭州特种纸业有限公司 | Glue applying and compounding method of composite filter material |
| CN113650331A (en) * | 2020-09-19 | 2021-11-16 | 江苏惠沣环保科技有限公司 | Reduce volatile hot melt adhesive film preparation facilities of VOC gas |
| CN114453210A (en) * | 2021-09-29 | 2022-05-10 | 湖南匡沐环保科技有限公司 | Special plane roller coat production line of water paint |
| CN116494578A (en) * | 2023-04-04 | 2023-07-28 | 晋江联兴反光材料有限公司 | A preparation process and equipment for a flexible skin-friendly reflective fabric |
| CN117301660A (en) * | 2023-09-26 | 2023-12-29 | 东莞市悠悠美居家居制造有限公司 | Composite tablecloth and preparation method thereof |
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