CN107866937A - The continuous applying method of lamination of polyurethane foaming layer - Google Patents
The continuous applying method of lamination of polyurethane foaming layer Download PDFInfo
- Publication number
- CN107866937A CN107866937A CN201610849263.9A CN201610849263A CN107866937A CN 107866937 A CN107866937 A CN 107866937A CN 201610849263 A CN201610849263 A CN 201610849263A CN 107866937 A CN107866937 A CN 107866937A
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- CN
- China
- Prior art keywords
- foaming layer
- polyurethane
- polyurethane foaming
- lamination
- system component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/26—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length using several expanding steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/28—Expanding the moulding material on continuous moving surfaces without restricting the upwards growth of the foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
- B29C44/322—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed parts being elongated inserts, e.g. cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
Abstract
The invention discloses a kind of continuous applying method of the lamination of polyurethane foaming layer, continuously lamination is carried out in the top of the first polyurethane foaming layer with the second polyurethane foaming layer be bonded operation, its mainly on the first polyurethane foaming layer of continuous conveying in a manner of pouring into a mould or spray uniform coating polyurethane system component, make the polyurethane system component in progress foamed polymer reaction on first polyurethane foaming layer, and the polyurethane system component in being reacted using the foamed polymer is bonded with the first polyurethane foaming layer, then the polyurethane system component in first polyurethane foaming layer and foamed polymer reaction is sent into press nips, in completion foaming in the press nips, form the second polyurethane foaming layer with specific thicknesses lamination, and fit on first polyurethane foaming layer；Whereby, you can in the production process of the polyurethane foaming layer of lamination second, directly and continuously with the first polyurethane foaming layer carry out being bonded operation, and then effectively improve adhesion strength and prouctiveness.
Description
Technical field
Polyurethane foam can be completed directly and continuously the present invention relates to a kind of in the production process of polyurethane foaming layer
The lamination fitting of layer, and then effectively lift fitting intensity and make the continuous applying method of production capacity.
Background technology
Polyurethane foaming layer (Polyurethane foam, PU foaming layer) is mainly by isocyanate component
(isocyanate component) and polyol (polyol component) are in condition existing for water and catalyst
Under reacted after obtain, because polyurethane foaming layer (Polyurethane foam, PU foaming layer) is insulator, and heat conduction
Coefficient is low, mechanical strength is big, heat-resisting, solvent resistant, ageing-resistant, sound-absorbing, shock-absorbing and has good comfortableness, therefore is transported extensively
Construction material, packaging material, padded coaming used in many etc..
Because polyurethane system component can utilize the allotment of different formulations, foamed polymer goes out different densities or different soft and hard
The polyurethane foaming layer (Polyurethane foam, PU foaming layer) of degree, to answer different use demands；For example, mattress, footwear
Pad and cushion etc., it is often visible to be formed by the polyurethane foaming layer fitting of plural layer different soft and hard degree.As shown in figure 1, with fitting
Exemplified by the mattress for having three layers of polyurethane foaming layer, it is however generally that, the polyurethane foaming layer 1 of bottom relatively focuses on support force, and uses
The higher polyurethane foaming layer of hardness, the polyurethane foaming layer 2 in middle level relatively focuses on resiliency, then using the higher polyurethane of density
Foaming layer, the polyurethane foaming layer 3 on upper strata relatively focus on comfortableness, therefore common use is highdensity because of close contact human body
Memory bubble is continuous (Memory Foam), and the mode of each polyurethane foaming layer fitting is in each one layer of solvent based adhesive 4 of covering surface
Afterwards, then give lamination and fit together.The mode being bonded using binding agent 4 is had the disadvantages that：
1st, the solvent based adhesive 4 not only damages to environment, can also jeopardize the health of human body, therefore is not inconsistent cyclization
The requirement of guarantor.
2nd, due to being the mode being bonded using binding agent 4, therefore cause adhesion strength poor, and easily cause each polyurethane
The situation that foaming layer is peeled off.
3rd, because each polyurethane foaming layer has different characteristics, it is therefore necessary to be respectively completed foaming, and sent out in being respectively completed
After bubble, can just continue the program being bonded, so as to influence overall prouctiveness.
4th, due to each polyurethane foaming layer it is out of the ordinary complete foaming after, it is necessary to increase coating binding agent 4 and fitting in addition
Program, so as to influence overall prouctiveness.
5th, due to must after each polyurethane foaming layer is respectively completed foaming, could coating binding agent 4 carry out fitting operation,
Therefore working space being limited to, each polyurethane foaming layer is only capable of to carry out fitting operation compared with the sheet-like manner of small area, so as to
The product of large area can not be made.
In view of this, the present inventor is engaged in research and development and the making experience of relevant industries with it for many years, for being faced at present
The problem of furtherd investigate, the research by long-term endeavour with studying, finally grind create it is a kind of need not only use binding agent,
The continuous applying method of lamination of adhesion strength and prouctiveness can be also effectively lifted, the shortcomings that to be effectively improved prior art, this
As design aim of the invention.
The content of the invention
An object of the present invention, be to provide a kind of continuous applying method of the lamination of polyurethane foaming layer, its mainly in
On first polyurethane foaming layer of continuous conveying in a manner of pouring into a mould or spray uniform coating polyurethane system component, make this poly-
Urethane system components are poly- in foamed polymer reaction is carried out on first polyurethane foaming layer, and is reacted using the foamed polymer
Urethane system components are bonded with the first polyurethane foaming layer, then react first polyurethane foaming layer and foamed polymer
In polyurethane system component be sent into press nips, in completing foaming in the press nips, lamination i.e. second for forming specific thicknesses is poly-
Urethane foaming layer is simultaneously fitted on first polyurethane foaming layer；Whereby, it may not be necessary to using binding agent, reduce to environment and human body
Harm, and then environmental protection requirement.
The second object of the present invention, it is to provide a kind of continuous applying method of the lamination of polyurethane foaming layer, wherein, due to hair
It is good binding agent in itself to steep the polyurethane system component in polymerisation, therefore utilizes the poly- ammonia in foamed polymer reaction
Ester system components carry out being bonded operation with the first polyurethane foaming layer, can make the first polyurethane foaming layer and the second polyurethane foam
Interlayer has preferable adhesion strength, without peeling-off situation.
The third object of the present invention, it is to provide a kind of continuous applying method of the lamination of polyurethane foaming layer, wherein, due to being
Polyurethane system component in being reacted using foamed polymer continuously carries out fitting operation, so even the different qualities that coincide
Second polyurethane foaming layer, also it can make this not in the polyurethane system component of coating different qualities on the first polyurethane foaming layer
With the polyurethane system component of characteristic, foamed polymer reflects the second polyurethane foaming layer directly on the first polyurethane foaming layer,
And in the production process of the second polyurethane foaming layer, directly and continuously with the first polyurethane foaming layer carry out being bonded operation,
Therefore foaming need not be respectively completed, and effectively lifts overall prouctiveness.
The fourth object of the present invention, it is to provide a kind of continuous applying method of the lamination of polyurethane foaming layer, wherein, due to being
Polyurethane system component in being reacted using foamed polymer continuously carries out fitting operation, therefore can need not configure coating binding agent
And the program of fitting, and in the production process of polyurethane foaming layer, directly and fitting operation continuously is carried out, and then effectively carry
Rise overall prouctiveness.
The fifth object of the present invention, it is to provide a kind of continuous applying method of the lamination of polyurethane foaming layer, wherein, due to being
Polyurethane system component in being reacted using foamed polymer continuously carries out fitting operation, so even in limited working space
Under, the product of large area also can be continuously produced, more conforms to the making demand of various products.
Brief description of the drawings
Fig. 1：The fitting schematic diagram of each polyurethane foaming layer in the prior art；
Fig. 2：The schematic diagram of the embodiment of the present invention 1；
Fig. 3：The schematic diagram of the embodiment of the present invention 2；
Fig. 4：The schematic diagram of the embodiment of the present invention 3.
Symbol description
1：Polyurethane foaming layer 2：Polyurethane foaming layer
3：Polyurethane foaming layer 4：Binding agent
10a、10b：Guide wheel group 11：First polyurethane foaming layer
12：Coating position 13：Polyurethane system component
14：Mixed vent 15：Scraper plate
16：Press nips 17：Second polyurethane foaming layer
18：Baking oven 20a, 20b, 20c：Guide wheel group
21：Peel ply 22：First coating position
23：First polyurethane system component 24：First mixed vent
25：First scraper plate 26：First press nips
27：First polyurethane foaming layer 28：First baking oven
29：Second coating position 30：Second polyurethane system component
31：Second mixed vent 32：Second scraper plate
33：Second press nips 34：Second polyurethane foaming layer
35：Second baking oven 36：3rd coating position
37：3rd polyurethane system components 38：3rd mixed vent
39：3rd scraper plate 40：3rd press nips
41：3rd polyurethane foaming layer 42：3rd baking oven
Specific implementation method
Your, to make auditor have further understanding to the present invention, enter with reference to preferred embodiment and cooperation schematic diagram
The one step description present invention：
As shown in Fig. 2 the embodiment of the present invention 1 is the continuous applying method of lamination of double-deck polyurethane foaming layer, first is refered in particular to
After polyurethane foaming layer completes the manufacturing of last stage in advance, then continuous the second polyurethane foaming layer of fitting of lamination.It is first logical
Cross guide wheel group 10a and the first polyurethane foaming layer 11 for having completed foamed polymer reaction is continuously delivered to coating position 12, connect
And be uniformly coated on polyurethane system component 13 on first polyurethane foaming layer 11 in coating position 12, described polyurethane
System components 13 (polyurethane system components) are by isocyanate component (isocyanate
Component), polyol (polyol component), water and catalyst are formed, by water and isocyanate component
Carbon dioxide caused by reaction foams, so occur polymerisation generation polyurethane foaming layer (Polyurethane foam,
PU foaming layers), described polyurethane system component 13, can be with identical or differ in the first polyurethane depending on the demand of product
The polyurethane system component of foaming layer 11；When polyurethane system component 13 is uniformly coated on the first polyurethane foaming layer 11,
It is easy to proceed by foamed polymer reaction, in the present embodiment, the polyurethane system component on first polyurethane foaming layer 11
13 are uniformly coated on the first polyurethane foaming layer 11 in a manner of pouring into a mould or spraying in coating position 12, cast or spraying
The mixed vent 14 of polyurethane system component 13 can arrange in pairs or groups at rear and be provided with scraper plate 15, with uniform coating polyurethane system group
Part 13, meanwhile, the height and position by adjusting scraper plate 15 can control the coating thickness of polyurethane system component 13, the polyurethane
The coating thickness of system components 13 is depending on the thickness of the polyurethane foaming layer of gained second.When polyurethane system component 13 is in this
After starting foamed polymer reaction on first polyurethane foaming layer 11, the polyurethane system component 13 in being reacted due to foamed polymer
Body is good binding agent, and it understands automatic filling in the first polyurethane foaming layer 11 during foamed polymer reacts
Surface texture or surface gaps, therefore can have preferable adhesion strength between the first polyurethane foaming layer 11.Work as polyurethane
System components 13 are poly- during just the foamed polymer is reacted after foamed polymer reaction is started on first polyurethane foaming layer 11
The polyurethane foaming layer 11 of urethane system components 13 and first is sent into press nips 16, makes the polyurethane system component 13 in the press nips
Foamings are completed in 16 and form the second polyurethane foaming layers 17, due to the adjustable height position of press nips 16, thus can be with
The foam thickness of polyurethane system component 13 is controlled, the foam thickness of the polyurethane system component 13 is according to the polyurethane of gained second
Depending on the thickness of foaming layer 17, and mold the second polyurethane foaming layer 17 of specific thicknesses；In order to avoid press nips 16 be stained with it is glutinous
Polyurethane system component 13 in foamed polymer reaction, the press nips 16 can coat Teflon (Teflon) on surface or be PE
Material or it is made up of metal foil (foil).Foaming process finally will be completed and it is the second poly- ammonia with the laminations of specific thicknesses
The polyurethane foaming layer 11 of ester foaming layer 17 and first sends out press nips 16, you can the foaming for completing the second polyurethane foaming layer 17 is made
Industry and it is bonded operation with first polyurethane foaming layer 11；In addition, the it is noted that completion foaming of the submitting press nips 16
Process and the second polyurethane foaming layer 17 not yet polymerization curing (completing about 80%), but its polymerization is ripe completely with specific thicknesses
The degree (about 80%) of change, which does not have, is stained with glutinous phenomenon, so in order to accelerate the second polyurethane foaming layer 17 polymerization curing speed
Degree, the present invention can set up baking oven 18 at the rear of press nips 16, make the second polyurethane foaming layer for not yet polymerizeing curing completely
17 are sent into the baking oven 18, accelerate the speed of the second polyurethane foaming layer 17 polymerization curing in a manner of heating；Certainly, the present invention also
Heater can be set up in press nips 16, make the second polyurethane foaming layer 17 that foaming process is completed in press nips 16, with
The mode of heating accelerates the speed that polymerization cures.Anyway, when the fitting of two layer laminates of completion foaming process and with spy
After the first polyurethane foaming layer 11 and the polymerization curing completely of the second polyurethane foaming layer 17 of determining thickness, you can pass through guide wheel group
10b retracting receipts are whole, and the first polyurethane foaming layer 11 and the second polyurethane foaming layer 17 of the layer laminate of completion two fitting can enter
Row makes the operation of product in next step.
As shown in figure 3, the embodiment of the present invention 2 is the continuous applying method of lamination of double-deck polyurethane foaming layer, first is refered in particular to
Polyurethane foaming layer to lamination since being continuously bonded the second polyurethane foaming layer manufacturing.It is to first pass through guide wheel group 20a companies
Continuous is delivered to the first coating position 22 by peel ply 21 (release layer), in the present embodiment, the peel ply 21
(release layer) be can with polyurethane foaming layer peel off lamella, can be release liners (silicone coating),
PE coil or it is made up of metal, such as paper tinsel (foil)；Then in the first coating position 22 by the first polyurethane system component 23
Uniformly it is coated on peel ply 21, when the first polyurethane system component 23 is uniformly coated on peel ply 21, is easy to the stripping
Foamed polymer reaction is proceeded by absciss layer 21, in the present embodiment, the first polyurethane system component 23 is in the first coating
Position 22 is uniformly coated on peel ply 21 in a manner of pouring into a mould or spraying, the first polyurethane system component 23 of cast or spraying
The first mixed vent 24 can rear arrange in pairs or groups be provided with the first scraper plate 25, with uniform the first polyurethane system of coating component
23, meanwhile, the height and position by adjusting the first scraper plate 25 can control the coating thickness of the first polyurethane system component 23, should
The coating thickness of first polyurethane system component 23 is depending on the thickness of the polyurethane foaming layer of gained first.When the first polyurethane
System components 23 are after foamed polymer reaction is started on the peel ply 21, the first polyurethane series during just the foamed polymer is reacted
Component 23 of uniting is sent into the first press nips 26, the first polyurethane system component 23 is foamed into completion in first press nips 26
Type forms the first polyurethane foaming layer 27, due to the adjustable height position of the first press nips 26, thus first can be controlled to gather
The foam thickness of urethane system components 23, the foam thickness of the first polyurethane system component 23 are sent out according to the polyurethane of gained first
Depending on the thickness of alveolar layer 27, and mold the first polyurethane foaming layer 17 of specific thicknesses；In order to avoid the first press nips 26 are stained with
The first polyurethane system component 23 in glutinous foamed polymer reaction, first press nips 26 can coat Teflon on surface
(Teflon) or it is PE materials or is made up of metal foil (foil).Foaming process will finally be completed and there are specific thicknesses
First polyurethane foaming layer 27 sends out the first press nips 26, you can completes the foaming operation of the first polyurethane foaming layer 27；In addition,
It is noted that first press nips of submitting 26 complete foaming process and the first polyurethane foaming layer 27 with specific thicknesses
Not yet polymerization curing (completing about 80%), but the degree (about 80%) of its polymerization curing does not have and is stained with glutinous phenomenon completely,
So in order to accelerate the speed of the first polyurethane foaming layer 27 polymerization curing, the present invention can be set up at the rear of the first press nips 26
First baking oven 28, the first polyurethane foaming layer 27 for not yet polymerizeing curing completely is set to be sent into first baking oven 28, with the side of heating
Formula accelerates the speed of the first polyurethane foaming layer 27 polymerization curing；Certainly, the present invention can also be set up in the first press nips 26 adds
Thermal, make the first polyurethane foaming layer 27 that foaming process is completed in the first press nips 26, accelerate to gather in a manner of heating
Close the speed of curing.Then, the first polyurethane foaming layer 27 completed foaming process and have specific thicknesses is delivered to second
Coating position 29, second polyurethane system component 30 is uniformly coated on the first polyurethane foam in the second coating position 29
On layer 27, the second described polyurethane system component 30, can be with identical or differ in the first poly- ammonia depending on the demand of product
Ester system components 23, when the second polyurethane system component 30 is uniformly coated on the first polyurethane foaming layer 27, be easy to this
Foamed polymer reaction is proceeded by one polyurethane foaming layer 27, in the present embodiment, the second polyurethane system component 30 is
Uniformly it is coated on the first polyurethane foaming layer 27 in a manner of pouring into a mould or spraying in the second coating position 29, cast or spraying
Second mixed vent 31 of the second polyurethane system component 30 can arrange in pairs or groups at rear and be provided with the second scraper plate 32, with uniform coating
Second polyurethane system component 30, meanwhile, the second polyurethane system can be controlled by the height and position for adjusting the second scraper plate 32
The coating thickness of component 30, the coating thickness of the second polyurethane system component 30 is according to the thickness of the polyurethane foaming layer of gained second
Depending on degree.After the second polyurethane system component 30 starts foamed polymer reaction in first polyurethane foaming layer 27, due to hair
It itself is good binding agent to steep the second polyurethane system component 30 in polymerisation, and it is in the mistake of foamed polymer reaction
Automatic filling is understood in journey in the surface texture or surface gaps of the first polyurethane foaming layer 27, therefore can be with the first polyurethane
There is preferable adhesion strength between foaming layer 27.When the second polyurethane system component 30 is on first polyurethane foaming layer 27
After foamed polymer reaction, the second polyurethane system component 30 and the first polyurethane foaming layer 27 during just the foamed polymer is reacted
The second press nips 33 are sent into, the second polyurethane system component 30 is completed foaming in second press nips 33 and forms the
Two polyurethane foaming layers 34, due to the adjustable height position of the second press nips 33, thus the second polyurethane system can be controlled
The foam thickness of component 30, the foam thickness of the second polyurethane system component 30 is according to the second polyurethane foaming layer of gained 34
Depending on thickness, and mold the second polyurethane foaming layer 34 of specific thicknesses；Glutinous foaming is stained with order to avoid the second press nips 33 to gather
The second polyurethane system component 30 in reaction is closed, second press nips 33 can coat Teflon (Teflon) on surface or be
PE materials or it is made up of metal foil (foil).It is second to gather that foaming process and lamination with specific thicknesses, which will finally be completed,
The polyurethane foaming layer 27 of urethane foaming layer 34 and first sends out the second press nips 33, you can completes the second polyurethane foaming layer 34
Foaming operation and it is bonded operation with first polyurethane foaming layer 27；In addition, it is noted that second press nips of submitting 33
Complete foaming process and the second polyurethane foaming layer 34 not yet polymerization curing (complete about 80%) completely with specific thicknesses,
But it polymerize the degree (about 80%) of curing and does not have and is stained with glutinous phenomenon, so in order to accelerate the second polyurethane foaming layer 34 poly-
The speed of curing is closed, the present invention can set up the second baking oven 35 at the rear of the second press nips 33, make not yet to polymerize curing completely
The second polyurethane foaming layer 34 be sent into second baking oven 35, accelerate the second polyurethane foaming layer 34 to polymerize in a manner of heating ripe
The speed of change；Certainly, the present invention also can set up heater in the second press nips 33, make to complete hair in the second press nips 33
Second polyurethane foaming layer 34 of bubble process, the speed for accelerating polymerization to cure in a manner of heating.Anyway, when completion is foamed
Fitting and with specific thicknesses the first polyurethane foaming layer 27 and the second polyurethane foaming layer 34 of process polymerize ripe completely
After change, you can the program peeled off with peel ply 21, by guide wheel group 20b, 20c respectively by the first polyurethane foam of fitting
The polyurethane foaming layer 34 of layer 27 and second is peeled off with peel ply 21, and respectively retracting receive it is whole, the layer laminate of completion two be bonded the
One polyurethane foaming layer 27 and the second polyurethane foaming layer 34 can carry out making the operation of product in next step.
As shown in figure 4, the embodiment of the present invention 3 is the continuous applying method of lamination of three layers of polyurethane foaming layer, refer in particular to reality
Exemplified by applying example 2, then lamination is continuously bonded the 3rd polyurethane foaming layer.Embodiment 2 complete fitting the first polyurethane foaming layer 27 and
The process of second polyurethane foaming layer 34 will not be described in great detail, and the lamination for the 3rd polyurethane foaming layer of fitting that only just continues below is continuous
Applying method illustrates：The first polyurethane foaming layer 27 for completing fitting and the second polyurethane foaming layer 34 are delivered to the 3rd
Coating position 36, the 3rd polyurethane system components 37 are uniformly coated on the second polyurethane foam in the 3rd coating position 36
On layer 34, the 3rd described polyurethane system components 37, can be with identical or differ in the first poly- ammonia depending on the demand of product
Ester system components and the second polyurethane system component, when the 3rd polyurethane system components 37 are uniformly coated on the second polyurethane hair
On alveolar layer 34, it is easy to proceed by foamed polymer reaction, in the present embodiment, the trimerization on second polyurethane foaming layer 34
Urethane system components 37 are that the second polyurethane foam is uniformly coated in a manner of pouring into a mould or spray in the 3rd coating position 36
On layer 34, the 3rd mixed vent 38 of the 3rd polyurethane system components 37 of cast or spraying can arrange in pairs or groups at rear is provided with the 3rd
Scraper plate 39, with the uniform polyurethane system components 37 of coating the 3rd, meanwhile, it can be controlled by the height and position for adjusting the 3rd scraper plate 39
The coating thickness of the 3rd polyurethane system components 37 is made, the coating thickness of the 3rd polyurethane system components 37 is according to gained the 3rd
Depending on the thickness of polyurethane foaming layer.Gather when the 3rd polyurethane system components 37 start foaming in second polyurethane foaming layer 34
After closing reaction, the 3rd polyurethane system components 37 itself in being reacted due to foamed polymer are good binding agent, and its
Foamed polymer react during can automatic filling in the surface texture or surface gaps of the second polyurethane foaming layer 34, therefore
There can be preferable adhesion strength between the second polyurethane foaming layer 34.When the 3rd polyurethane system components 37 are in the second poly- ammonia
After starting foamed polymer reaction on ester foaming layer 34, the 3rd polyurethane system components 37 during just the foamed polymer is reacted, the
Two polyurethane foaming layers 34 and the first polyurethane foaming layer 27 are sent into the 3rd press nips 40, make the 3rd polyurethane system components 37
The 3rd polyurethane foaming layer 41 is formed in completing foaming in the 3rd press nips 40, because the 3rd press nips 40 are adjustable
Height and position, thus the foam thickness of the 3rd polyurethane system components 37 can be controlled, the 3rd polyurethane system components 37
Foam thickness molds the 3rd polyurethane of specific thicknesses lamination depending on the thickness of the polyurethane foaming layer 41 of gained the 3rd
Foaming layer 41；The 3rd polyurethane system components 37 being stained with order to avoid the 3rd press nips 40 during glutinous foamed polymer reacts, the 3rd
Press nips 40 can coat Teflon (Teflon) on surface or be PE materials or be made up of metal foil (foil).Finally will
Complete foaming process and the 3rd polyurethane foaming layer 41, the second polyurethane foaming layer 34 and the first polyurethane with specific thicknesses
Foaming layer 27 send out the 3rd press nips 40, you can complete the 3rd polyurethane foaming layer 41 foaming operation and with the second polyurethane
Foaming layer 34, the fitting operation of the first polyurethane foaming layer 27；In addition, it is noted that the press nips 40 of submitting the 3rd it is complete
Into foaming process and the not yet polymerization completely of the 3rd polyurethane foaming layer 41 with specific thicknesses cures and (completes about 80%), but its
The degree (about 80%) of polymerization curing, which does not have, is stained with glutinous phenomenon, so ripe in order to accelerate the 3rd polyurethane foaming layer 41 to polymerize
The speed of change, the present invention can set up the 3rd baking oven 42 at the rear of the 3rd press nips 40, make not yet completely to polymerize the of curing
Three polyurethane foaming layers 41 are sent into the 3rd baking oven 42, accelerate the polymerization curing of the 3rd polyurethane foaming layer 41 in a manner of heating
Speed；Certainly, the present invention also can set up heater in the 3rd press nips 40, make to complete to foam in the 3rd press nips 40
3rd polyurethane foaming layer 41 of journey, the speed for accelerating polymerization to cure in a manner of heating.Anyway, when completion foaming process
It is fitting and with specific thicknesses the first polyurethane foaming layer 27, the second polyurethane foaming layer 34 and the 3rd polyurethane foam
After the polymerization curing completely of layer 41, you can the program peeled off with peel ply 21, and respectively will fitting by guide wheel group 20b, 20c
The first polyurethane foaming layer 27, the second polyurethane foaming layer 34 and the 3rd polyurethane foaming layer 41 peeled off with peel ply 21, and
Retracting is received whole respectively, the first polyurethane foaming layer 27, the second polyurethane foaming layer 34 and the 3rd of the layer laminate of completion three fitting
Polyurethane foaming layer 41 can carry out making the operation of product in next step.
In summary, the continuous applying method of the lamination of the polyurethane foaming layer of various embodiments of the present invention, due to being all folded
In the production process of the polyurethane foaming layer of layer, polyurethane system component in being reacted using foamed polymer continuously with lower floor
Polyurethane foaming layer carries out fitting operation, not only conforms with the requirement of environmental protection, also with preferable adhesion strength, and also because need not
The program of coating binding agent and fitting is configured, and effectively improves overall prouctiveness, even if under limited working space,
Also the product of large area can continuously be produced；In addition, when the polyurethane foaming layer of different qualities to be coincided, also can be in lower floor
Polyurethane foaming layer on directly foamed polymer reflect the polyurethane foaming layers of different qualities, continuously with the polyurethane of lower floor
Foaming layer carries out fitting operation, it is not necessary to foaming is respectively completed, it is more efficient to improve overall prouctiveness.Therefore, it is of the invention
The actually design of a deep tool practicality and progressive, so there are no like products and publication discloses, and meeting application for a patent for invention will
Element, whence are filed an application in accordance with the law.
Claims (10)
1. a kind of continuous applying method of the lamination of polyurethane foaming layer, it is characterized in that, in the second polyurethane foaming layer of lamination
In production process, using the polyurethane system component in the foamed polymer reaction of second polyurethane foaming layer continuously and lower floor
The first polyurethane foaming layer carry out fitting operation, the applying method comprises the following steps：
Step A：First polyurethane foaming layer is delivered to coating position；
Step B：The second polyurethane system component is uniformly coated on first polyurethane foaming layer in the coating position,
Make the second polyurethane system component on first polyurethane foaming layer carry out foamed polymer reaction, and with first polyurethane
Foaming layer bonds fitting；
Step C：The second polyurethane system component and first polyurethane foaming layer during the foamed polymer is reacted are sent into pinch roller
Group, the second polyurethane system component is formed the second polyurethane foaming layer in completion foaming in the press nips, and make this
Second polyurethane foaming layer is fitted on first polyurethane foaming layer；
Step D：By the completion foaming process and the second polyurethane foaming layer with specific thicknesses lamination and completion fitting
The first polyurethane foaming layer send out press nips.
2. the continuous applying method of the lamination of polyurethane foaming layer according to claim 1, it is characterized in that, the of step B
Two polyurethane system components are made up of isocyanate component, polyol, water and catalyst.
3. the continuous applying method of the lamination of polyurethane foaming layer according to claim 1, it is characterized in that, the of step B
Two polyurethane system components are identical or differ polyurethane system component in first polyurethane foaming layer.
4. the continuous applying method of the lamination of polyurethane foaming layer according to claim 1, it is characterized in that, the of step B
Two polyurethane system components are coated in a manner of pouring into a mould or spraying on first polyurethane foaming layer.
5. the continuous applying method of the lamination of polyurethane foaming layer according to claim 4, it is characterized in that, the cast or spraying
The mixed vent rear collocation of second polyurethane system component is provided with scraper plate, with uniform coating the second polyurethane system group
Part.
6. the continuous applying method of the lamination of polyurethane foaming layer according to claim 5, it is characterized in that, the scraper plate can adjust
Height and position, to control the coating thickness of the second polyurethane system component.
7. the continuous applying method of the lamination of polyurethane foaming layer according to claim 1, it is characterized in that, step C pressure
The whole foam thickness for controlling the second polyurethane system component of varying height positions of wheel group, the second polyurethane system component
Foam thickness is depending on the thickness of gained second polyurethane foaming layer.
8. the continuous applying method of the lamination of polyurethane foaming layer according to claim 1, it is characterized in that, further include in the step
After rapid D, baking oven is provided with the rear of the press nips, or heater is provided with step C press nips, with the side of heating
Formula accelerates the speed that the second polyurethane foam layers of polymer cures.
9. the continuous applying method of the lamination of polyurethane foaming layer according to claim 1, it is characterized in that, in step A it
Before, the forming step for adding first polyurethane foaming layer is further included, is comprised the following steps：
Step A1：Peel ply is continuously delivered to by the first coating position by guide wheel group；
Step A2：The first polyurethane system component is uniformly coated on the peel ply in the first coating position, make this
One polyurethane system component is in progress foamed polymer reaction on the peel ply；
Step A3：The first polyurethane system component during the foamed polymer is reacted is sent into the first press nips, makes the first poly- ammonia
Ester system components form the first polyurethane foaming layer in completion foaming in first press nips；
Step A4：The completion foaming process and the first polyurethane foaming layer with specific thicknesses are sent out into first press nips.
10. the continuous applying method of the lamination of polyurethane foaming layer according to claim 1, it is characterized in that, in step D it
Afterwards, the continuous laminating step for adding the 3rd polyurethane foaming layer is further included, is comprised the following steps：
Step E：The first polyurethane foaming layer and the second polyurethane foaming layer that the completion is bonded are delivered to the 3rd coating position；
Step F：The 3rd polyurethane system components are uniformly coated on second polyurethane foaming layer in the 3rd coating position
On, make the 3rd polyurethane system components in carrying out foamed polymer reaction on second polyurethane foaming layer, and it is second poly- with this
Urethane foaming layer bonds fitting；
Step G：The 3rd polyurethane system components, second polyurethane foaming layer during the foamed polymer is reacted and this first gather
The 3rd press nips are sent into urethane foaming layer, make the 3rd polyurethane system components in completion foaming shape in the 3rd press nips
Into the 3rd polyurethane foaming layer, and the 3rd polyurethane foaming layer is set to fit on second polyurethane foaming layer；
Step H：It is the 3rd polyurethane foaming layer and completion fitting by the completion foaming process and the lamination with specific thicknesses
The second polyurethane foaming layer, first polyurethane foaming layer send out the 3rd press nips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610849263.9A CN107866937A (en) | 2016-09-26 | 2016-09-26 | The continuous applying method of lamination of polyurethane foaming layer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610849263.9A CN107866937A (en) | 2016-09-26 | 2016-09-26 | The continuous applying method of lamination of polyurethane foaming layer |
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| CN107866937A true CN107866937A (en) | 2018-04-03 |
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| CN201610849263.9A Withdrawn CN107866937A (en) | 2016-09-26 | 2016-09-26 | The continuous applying method of lamination of polyurethane foaming layer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113773471A (en) * | 2021-09-17 | 2021-12-10 | 湖州高裕家居科技有限公司 | Multilayer polyurethane composite pillow and preparation method thereof |
| CN114434719A (en) * | 2022-02-17 | 2022-05-06 | 北京铁科首钢轨道技术股份有限公司 | Polyurethane elastic base plate and preparation method thereof |
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| CN101573219A (en) * | 2006-12-29 | 2009-11-04 | 金东润 | An apparatus for manufacturing liquid silicon foam in the form of roll |
| CN103660495A (en) * | 2012-09-05 | 2014-03-26 | 凯力实业股份有限公司 | Forming method of environment-friendly membrane materials and base materials |
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2016
- 2016-09-26 CN CN201610849263.9A patent/CN107866937A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101573219A (en) * | 2006-12-29 | 2009-11-04 | 金东润 | An apparatus for manufacturing liquid silicon foam in the form of roll |
| CN103660495A (en) * | 2012-09-05 | 2014-03-26 | 凯力实业股份有限公司 | Forming method of environment-friendly membrane materials and base materials |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113773471A (en) * | 2021-09-17 | 2021-12-10 | 湖州高裕家居科技有限公司 | Multilayer polyurethane composite pillow and preparation method thereof |
| CN114434719A (en) * | 2022-02-17 | 2022-05-06 | 北京铁科首钢轨道技术股份有限公司 | Polyurethane elastic base plate and preparation method thereof |
| CN114434719B (en) * | 2022-02-17 | 2023-07-14 | 北京铁科首钢轨道技术股份有限公司 | Polyurethane elastic backing plate and preparation method thereof |
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Application publication date: 20180403 |