CN109653026B - Release paper and equipment and process for producing release paper - Google Patents
Release paper and equipment and process for producing release paper Download PDFInfo
- Publication number
- CN109653026B CN109653026B CN201910065536.4A CN201910065536A CN109653026B CN 109653026 B CN109653026 B CN 109653026B CN 201910065536 A CN201910065536 A CN 201910065536A CN 109653026 B CN109653026 B CN 109653026B
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- Prior art keywords
- paper
- roller
- equipment
- silicone oil
- sizing
- Prior art date
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- 238000000034 method Methods 0.000 title abstract description 8
- 229920002545 silicone oil Polymers 0.000 claims abstract description 148
- 238000004513 sizing Methods 0.000 claims abstract description 93
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 239000003292 glue Substances 0.000 claims description 97
- 238000001035 drying Methods 0.000 claims description 61
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 41
- 229910052710 silicon Inorganic materials 0.000 claims description 41
- 239000010703 silicon Substances 0.000 claims description 41
- 238000004026 adhesive bonding Methods 0.000 claims description 32
- 229920001971 elastomer Polymers 0.000 claims description 25
- 239000010410 layer Substances 0.000 claims description 23
- 229920000126 latex Polymers 0.000 claims description 17
- 239000004816 latex Substances 0.000 claims description 17
- 229920001296 polysiloxane Polymers 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 16
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 239000011248 coating agent Substances 0.000 claims description 16
- 238000000576 coating method Methods 0.000 claims description 16
- 238000004804 winding Methods 0.000 claims description 15
- 239000002904 solvent Substances 0.000 claims description 12
- 238000007790 scraping Methods 0.000 claims description 11
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 9
- 238000010981 drying operation Methods 0.000 claims description 7
- 238000012840 feeding operation Methods 0.000 claims description 7
- 238000007667 floating Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000012805 post-processing Methods 0.000 claims 3
- 239000003921 oil Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 229920002689 polyvinyl acetate Polymers 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/30—Multi-ply
-
- 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
- B32B29/00—Layered products comprising a layer of paper or cardboard
-
- 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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
- D21H23/56—Rolls
Landscapes
- Coating Apparatus (AREA)
Abstract
The invention discloses release paper, and equipment and a process for producing the release paper. The sizing equipment comprises first sizing equipment and second sizing equipment which are connected with each other and can be mutually switched for sizing, the silicone oil equipment comprises first sizing equipment which is connected with each other and can be mutually switched, and second sizing equipment which is connected with one side of the first sizing equipment and is arranged on one side of the first sizing equipment, and the two sizing equipment are arranged so as to be convenient for switching between different bottom sizing and different silicone oil varieties, so that the production flexibility is higher, the resource utilization rate is higher, the sizing and leveling treatment is carried out after the sizing equipment is used for sizing, the surface sizing evenness effect of paper is better, and the sizing is uniform; and secondly, after the silicone oil is dried, water supply and rewet treatment are carried out, so that the paper becomes soft, and the smoothness of the paper is ensured.
Description
Technical Field
The invention relates to release paper, and equipment and a process for producing the release paper.
Background
In the prior art, release agent is applied to the equipment for producing release paper after gluing and release paper is formed after drying, a production line is usually used for corresponding to one product in a common setting mode in the production equipment setting, another production line is often needed for production if another product needs to be switched, the production flexibility is low, the equipment needing to be arranged is more, the performance of release paper is greatly influenced if uneven in the gluing or silicon process is caused, and the release paper after drying is brittle and is inconvenient to transmit.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides release paper, and equipment and a process for producing the release paper.
The technical scheme adopted for solving the technical problems is as follows: a release paper, wherein: comprises a paper material, a glue layer arranged on the paper material and a release agent layer arranged on the glue layer.
A release paper production apparatus, wherein: including unreeling equipment, connect unreeling equipment and carry out rubberizing equipment, connect rubberizing equipment and carry out the rubberizing equipment of heating stoving to rubberizing paper that finishes, connect the rubberizing equipment and carry out the rubberizing equipment of rubberizing to the paper that finishes of drying, connect the rubberizing equipment and carry out the rubberizing equipment of rubberizing of silicone oil, the coiling equipment of stoving silicone oil to the paper that finishes of drying, rubberizing equipment includes interconnect and can switch each other first rubberizing equipment, the second rubberizing equipment of rubberizing that carries out the rubberizing, the rubberizing equipment includes interconnect and can switch each other first rubberizing equipment, connects and set up in the second rubberizing equipment of first rubberizing equipment one side.
Wherein: the first rubberizing equipment includes first rubber roll, with first rubber roll of leading the mutual conflict of rubber roll, set up in the first smooth roll of first rubber roll one side, the second rubberizing equipment includes the second rubber roll, with the mutual conflict of second rubber roll and set up in the first back of the body roller in middle part, with the mutual conflict of first back of the body roller and set up in the second of one side scrape the rubber stick, the second rubber roll is connected with first rubber roll interconnect and carries out paper transmission.
Wherein: the glue drying equipment comprises a glue drying oven connected with second glue coating equipment, a plurality of first nozzles for spraying hot air and a first conveyor belt arranged below the first nozzles are arranged in the glue drying oven, the first nozzles are arranged in an arc shape, the silicon drying equipment comprises a silicon drying oven connected with second glue coating equipment, a plurality of second nozzles for spraying hot air and a second conveyor belt arranged below the second nozzles are arranged in the silicon drying oven, and the second nozzles are arranged in an arc shape.
Wherein: the first silicone oil feeding equipment is provided with a first silicone feeding roller, a first pressure roller and a first guide roller, and the second silicone oil feeding equipment comprises a first gap adjusting roller, a second metering roller, a third silicone oil conveying roller, a fourth silicone oil coating roller and a fifth pressure roller which are all in contact with each other to convey silicone oil.
Wherein: the device comprises a silicone oil feeding device, a glue drying device, a conveying assembly, a post-treatment device and a cooling transmission device, wherein the conveying assembly is arranged between the silicone oil feeding device and the glue drying device and comprises a traction roller arranged in the downstream direction of the glue drying device, a traction roller mutually abutting against the traction roller and a floating roller arranged below the traction roller, the silicone oil drying device is connected with the post-treatment device, the post-treatment device is connected with a winding device for winding paper, the post-treatment device comprises a water feeding and moisture returning device connected with the silicone oil drying device and a cooling transmission device, the water feeding and moisture returning device comprises a first water guiding roller and a first water feeding roller mutually abutting against the first water guiding roller, and the cooling transmission device comprises a paper guiding roller connected with a motor and a rubber pressing roller mutually abutting against the paper guiding roller.
A release paper manufacturing process, wherein: comprises the steps of,
s1, unreeling paper to gluing equipment through unreeling equipment for gluing;
s2, after the sizing of the paper is finished, the paper is transmitted to a sizing device for drying operation by the sizing device, so that a glue layer is formed on the paper;
s3, transmitting the paper material with the adhesive layer to silicone oil applying equipment for silicone oil applying operation;
s4, after finishing the silicone oil loading of the paper, the silicone oil loading equipment transmits the paper to the silicone oil drying equipment for drying operation so as to form a release agent layer on the paper;
s5, water feeding and rewetting are carried out on the paper material with the release agent layer;
s6, winding the paper material with the release agent layer by using winding equipment;
the rubberizing equipment comprises first rubberizing equipment and second rubberizing equipment which are mutually connected and can be mutually switched for rubberizing, and the rubberizing equipment comprises first rubberizing equipment which are mutually connected and can be mutually switched, and second rubberizing equipment which is connected with and arranged on one side of the first rubberizing equipment.
Wherein: the first sizing equipment is used for applying white latex to paper, the second sizing equipment is used for applying PVA (polyvinyl alcohol) glue to the paper, the sizing operation is one of the white latex and the PVA glue, when the white latex is selectively applied, the second sizing roller only guides paper, when the PVA glue is selectively applied, the first sizing roller only guides paper, the first sizing equipment transmits the white latex to the first sizing roller through the first rubber guiding roller, the surface of the paper and the first sizing roller are mutually attached and transmitted to carry out sizing operation, and after sizing is finished, the first sizing roller carries out scraping and leveling treatment; the second rubberizing equipment carries out rubberizing operation through the mutual laminating transmission of paper surface and second rubberizing roller, and after rubberizing finishes, carry out the rubberizing through the second frictioning stick and trowelle.
Wherein: the first silicone oil applying device applies solvent silicone oil to the surface of the paper after the glue drying is finished, the second silicone oil applying device applies solvent-free silicone oil to the surface of the paper after the glue drying is finished, the silicone oil applying operation is one of solvent silicone oil and solvent-free silicone oil, the fourth silicone oil applying roller only conducts paper when the solvent silicone oil is selectively applied, the first silicone oil applying roller only conducts paper when the solvent-free silicone oil is selectively applied, the paper is attached to the surface of the first silicone oil applying roller to conduct silicone oil applying operation, and the paper is subjected to silicone oil applying operation between the fourth silicone oil applying roller and the fifth platen roller.
Wherein: after the paper is dried to form a release agent layer, the paper is transmitted to the surface of the first water feeding roller through a silicone oil drying device and is subjected to water feeding operation.
The beneficial effects of the invention are as follows: the sizing equipment comprises first sizing equipment and second sizing equipment which are connected with each other and can be mutually switched for sizing, the silicone oil equipment comprises first sizing equipment which is connected with each other and can be mutually switched, and second sizing equipment which is connected with one side of the first sizing equipment and is arranged on one side of the first sizing equipment, and the two sizing equipment are arranged so as to be convenient for switching between different bottom sizing and different silicone oil varieties, so that the production flexibility is higher, the resource utilization rate is higher, the sizing and leveling treatment is carried out after the sizing equipment is used for sizing, the surface sizing evenness effect of paper is better, and the sizing is uniform; and secondly, after the silicone oil is dried, water supply and rewet treatment are carried out, so that the paper becomes soft, and the smoothness of the paper is ensured.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the product structure of the present invention;
FIG. 2 is a schematic illustration of the process flow of the present invention;
FIG. 3 is a schematic view of the apparatus structure of the aftertreatment device of the present disclosure;
FIG. 4 is a schematic view showing a partial structure of a silicone oil baking apparatus according to the present invention;
FIG. 5 is a schematic view showing another partial construction of a silicone oil baking apparatus according to the present invention;
FIG. 6 is a schematic view of the structure of the silicone oil applying device of the present invention;
FIG. 7 is a schematic view of a partial structure of the glue drying apparatus of the present invention;
FIG. 8 is a schematic view of the structure of the gluing device of the present invention;
fig. 9 is a schematic view of the construction of the curved roll of the present invention.
Detailed Description
Referring to fig. 1 to 9, a release paper includes a paper 1, a glue layer 11 disposed on the paper 1, and a release agent layer 12 disposed on the glue layer 11. The utility model provides a from type paper production facility, includes unreeling equipment 2, connects unreeling equipment 2 and carries out rubberizing equipment 3 to the paper, connects rubberizing equipment 3 and carries out the rubberizing equipment 4 of heating stoving to rubberizing finished paper 1, connects the rubberizing equipment 4 and carries out the rubberizing equipment of rubberizing to the paper 1 that finishes of drying, connects the rubberizing equipment 6 of the rubberizing equipment of rubberizing and carrying out the stoving silicone oil to paper 1, rolling equipment 7, rubberizing equipment 3 includes interconnect and the first rubberizing equipment 31 of rubberizing of interchangeable, second rubberizing equipment 32, the rubberizing equipment includes interconnect and the first rubberizing equipment 51 of interchangeable, connects and sets up the second rubberizing equipment 52 in one side of the first rubberizing equipment 51. The overall production facility arrangement is schematically illustrated in fig. 3 to 8.
The first glue applying device 31 includes a first glue guiding roller 311, a first glue guiding roller 312 that is mutually abutted against the first glue guiding roller 311, and a first leveling roller 313 disposed on one side of the first glue guiding roller 312, the second glue applying device 32 includes a second glue applying roller 321, a first back roller 322 that is mutually abutted against the second glue applying roller 321 and disposed in the middle, and a second scraping bar 323 that is mutually abutted against the first back roller 322 and disposed on one side, and the second glue applying roller 321 is connected with the first glue applying roller 312 and performs paper transmission. Wherein a first glue groove 315 for supplying white latex to the first glue guiding roller 311 is fixedly arranged below the first glue guiding roller 311, and a second glue groove for supplying PVA glue to the second glue applying roller 321 is arranged below the first back roller 322.
The unreeling device 2 comprises a first placing frame 221 and a first paper guiding cutter 222, the first gluing device 31 is used for applying white latex to the paper 1, the second gluing device 32 is used for applying PVA (polyvinyl acetate) glue to the paper 1, and the gluing operation is selected from the white latex and the PVA glue. In the case where the application of the white latex is selected, the second glue roller 321 performs the paper guide only as a normal paper guide roller without performing the glue application operation. When the PVA glue is selectively applied, the first glue roller 312 does not perform the glue application operation and guides the paper only as a normal paper guide roller. In the first gluing device 31, the white latex is transferred to the first gluing roller 312 through the first glue guiding roller 311, the surface of the paper 1 and the first gluing roller 312 are mutually attached and transferred to perform a gluing operation, and after the gluing is completed, the first gluing roller 313 is used for scraping and trowelling. In the second gluing device 32, the surface of the paper 1 and the second gluing roller 321 are mutually attached and transferred to perform a gluing operation, wherein the first back roller 322 is further limited, so that the gluing effect is better, and after the gluing is completed, the second gluing rod 323 is used for carrying out a gluing trowelling treatment.
Wherein unreeling equipment 2 sets up first dancer roll 21 with first rubberizing equipment 31 between, wherein first rubberizing equipment 31 sets up second guide roll 314, and first dancer roll 21 carries out the guide paper and reachs first rubberizing roll 312 department through second guide roll 314, and wherein first dancer roll 21 department sets up the cylinder, first dancer roll 21 carries out the up-and-down motion according to paper thickness and adjusts, prevents paper 1 wrinkling. Wherein set up the third paper guide roller 22 between first rubberizing equipment 31 and the second rubberizing equipment 32, second rubberizing equipment 32 sets up the first arc roller 23 of connecting second paper guide roller 314 and conveying paper 1, and wherein first arc roller 23 makes paper 1 stretch, prevents that paper 1 from wrinkling before the rubberizing from influencing the rubberizing effect of paper 1. The paper 1 sequentially passes through the first regulating roller 21, the second paper guiding roller 314, the first glue applying roller 312, the first leveling roller 313, the third paper guiding roller 22, the first arc roller 23, the second glue applying roller 321, the first back roller 322 and the second glue scraping rod 323 after being unreeled by the unreeling device 2, wherein the first leveling roller 313 and the second glue scraping rod 323 can scrape and level the glued surface of the paper 1, so that redundant glue on the surface of the paper is scraped and leveled, and the glue flatness on the surface of the paper 1 is better. The second adjusting roller 24 is disposed above the second doctor bar 323, and the first tension roller 25 is disposed obliquely above the second adjusting roller 24, where the first tension roller 25 maintains tightness in the process of conveying the paper 1, and after the paper 1 is completely sized, the paper is conveyed into the glue drying apparatus 4 through the second adjusting roller 24 and the first tension roller 25 for drying treatment.
The glue drying device 4 comprises a glue drying oven 41 connected with the second glue applying device 32, a plurality of first nozzles 411 for spraying hot air and a first conveyor belt 412 arranged below the first nozzles 411 are arranged in the glue drying oven 41, and the first nozzles 411 are arranged in an arc shape.
The glue oven 41 includes a first glue oven 413, a second glue oven 414, a third glue oven 415, a fourth glue oven 416, a fifth glue oven 417, and a sixth glue oven 418 that are sequentially arranged, where the first nozzle 411, the first conveyor belt 412 are disposed in the first glue oven 413, the second glue oven 414, the third glue oven 415, the fourth glue oven 416, the fifth glue oven 417, and the sixth glue oven 418, and the glued paper 1 is transferred on the upper surface of the first conveyor belt 412 and dried to form the glue layer 11.
The temperature of the first glue oven 413 is 55-65 ℃, the temperature of the second glue oven 414 is 55-65 ℃, the temperature of the third glue oven 415 is 60-70 ℃, the temperature of the fourth glue oven 416 is 60-70 ℃, the temperature of the fifth glue oven 417 is 55-65 ℃, and the temperature of the sixth glue oven 418 is 55-65 ℃.
The first upper silicone oil device 51 is provided with a first upper silicone roller 511 and a first guide roller 512, and the second upper silicone oil device 52 comprises a first gap adjusting roller 521, a second metering roller 522, a third silicone oil conveying roller 523, a fourth silicone oil coating roller 524 and a fifth platen roller 525 which are all abutted against each other to convey silicone oil. Wherein a first silicone oil pan supplying solvent-type silicone oil to the first upper silicone roller 511 is fixedly provided under the first upper silicone roller 511, and a second silicone oil pan supplying solvent-free silicone oil to the first gap adjustment roller 521 is fixedly provided under the first gap adjustment roller 521.
The first silicone oil applying device 51 applies solvent silicone oil to the surface of the paper 1 after the glue drying is finished, the second silicone oil applying device 52 applies solvent-free silicone oil to the surface of the paper 1 after the glue drying is finished, the silicone oil applying operation is one of solvent silicone oil and solvent-free silicone oil, and the fourth silicone oil applying roller 524 does not perform the silicone oil applying operation when the solvent silicone oil is selected and only serves as a common paper guiding roller for paper guiding. When the solvent-free silicone oil is selectively applied, the first upper silicone roller 511 does not perform the silicone oil applying operation and guides the paper only as a normal paper guide roller. Wherein the first silicone oil applying device 51 is provided with a first platen roller 513 attached to the surface of the first upper silicon roller 511, the silicone oil applying operation is performed on the surface of the first upper silicon roller 511 by attaching the paper 1, and the silicone oil applying operation is more uniform by passing the paper 1 between the first platen roller 513 and the first upper silicon roller 511. The paper 1 is fed with silicone oil by passing between a fourth silicone oil coating roller 524 and a fifth platen roller 525, wherein the silicone oil is sequentially transmitted to the surface of the fourth silicone oil coating roller 524 by passing through a first gap adjusting roller 521, a second metering roller 522 and a third silicone oil transmission roller 523, the lower surface of the paper 1 and the surface of the fourth silicone oil coating roller 524 are mutually attached to each other to feed the silicone oil by matching the fourth silicone oil coating roller 524 with the fifth platen roller 525, and the first gap adjusting roller 521, the second metering roller 522, the third silicone oil transmission roller 523 and the fourth silicone oil coating roller 524 are rotated to transmit the silicone oil.
The rotation speed ratio of the first gap adjusting roller 521 is 100%, the rotation speed ratio of the second metering roller 522 is 100%, the rotation speed ratio of the third silicone oil transfer roller 523 is 70%, the rotation speed ratio of the fourth silicone oil coating roller 524 is 9% -12%, and the rotation speed of the fifth platen roller 525 is 5m/min.
The silicone drying device 6 comprises a silicone oven 61 connected with a second silicone loading device 52, a plurality of second nozzles 611 for spraying hot air and a second conveyor belt 612 arranged below the second nozzles 611 are arranged in the silicone oven 61, and the second nozzles 611 are arranged in an arc shape.
The silicon oven 61 includes a first silicon oven 621, a second silicon oven 622, a third silicon oven 623, a fourth silicon oven 624, a fifth silicon oven 625, a sixth silicon oven 626, a seventh silicon oven 627, and an eighth silicon oven 628 which are sequentially arranged, wherein the second nozzle 611, the second conveyor belt 612 are disposed in the first silicon oven 621, the second silicon oven 622, the third silicon oven 623, the fourth silicon oven 624, the fifth silicon oven 625, the sixth silicon oven 626, the seventh silicon oven 627, and the eighth silicon oven 628, and the siliconized paper 1 is transported on the second conveyor belt 612 and dried to form the release agent layer 12.
The first silicon oven 621 temperature is 70-80 ℃, the second silicon oven 622 temperature is 90-100 ℃, the third silicon oven 623 temperature is 100-110 ℃, the fourth silicon oven 624 temperature is 90-110 ℃, the fifth silicon oven 625 temperature is 90-110 ℃, the sixth silicon oven 626 temperature is 90-110 ℃, the seventh silicon oven 627 temperature is 100-110 ℃, and the eighth silicon oven 628 temperature is 90-100 ℃.
A conveying component 8 is arranged between the silicone oil feeding device and the glue drying device 4, wherein the conveying component 8 comprises a traction roller 81 arranged in the downstream direction of the glue drying device 4, a traction press roller 82 mutually abutting against the traction roller 81, and a floating roller 83 arranged below the traction press roller 82.
A fourth paper guide roller 26 is arranged on one side of the sixth glue baking oven 418, and a third regulating roller 27 is arranged below the fourth paper guide roller 26. The floating roller 83 is connected with an air cylinder and can move, a fifth paper guide roller 28 is arranged below the floating roller 83, a sixth paper guide roller 526, a seventh paper guide roller 527 and a ninth paper guide roller 528 are arranged on the second upper silicone oil device 52, an eighth paper guide roller 514 is arranged on the first upper silicone oil device 51, a fourth regulating roller 515 is arranged on one side of the first upper silicone oil device 51, a second tension roller 516 is arranged above the fourth regulating roller 515, a second arc roller 517 is arranged on one side of the second tension roller 516, and a fifth regulating roller 518 is arranged on one side of the second arc roller 517. The first arc roller 23 and the second arc roller 517 are arc rollers, wherein the arc rollers comprise a roller 77 and a roller 78, the roller 77 is arc-shaped and penetrates the roller 78, and the axes of the roller 77 and the roller 78 are arc-shaped.
After the paper 1 is dried by the glue oven 41, the paper 1 is conveyed to the conveying assembly 8 by the fourth paper guiding roller 26 and the third regulating roller 27, respectively conveyed by the traction roller 81 and the floating roller 83, and conveyed to the first upper silicon roller 511 by the fifth paper guiding roller 28, the sixth paper guiding roller 526, the seventh paper guiding roller 527, the eighth paper guiding roller 514, the fourth regulating roller 515, the second tension roller 516, the second arc roller 517 and the fifth regulating roller 518, and conveyed to the first upper silicon roller 511 by the first upper silicon roller 511 to the first paper guiding roller 512, the ninth paper guiding roller 528 and the fourth silicone oil coating roller 524. The traction press roller 82 and the traction roller 81 are matched with each other to transfer the paper 1, and the set position of the traction press roller 82 and the traction roller 81 is the reference speed for transferring the paper 1, which plays roles of tension blocking and speed synchronization. A tenth paper guide roller 519 is arranged on one side of the silicone drying device 6, and paper is conveyed into the silicone drying device 6 through a fourth coating silicone roller 524 and the tenth paper guide roller 519 for drying operation.
The post-treatment device is connected with the silicone drying device 6, wherein the post-treatment device is connected with the winding device 7 for winding the paper 1, the post-treatment device comprises a water feeding and rewetting device 91 connected with the silicone drying device 6 and a cooling and conveying device 92, the water feeding and rewetting device 91 comprises a first water diversion roller 911 and a first water feeding roller 912 mutually abutting against the first water diversion roller 911, and the cooling and conveying device 92 comprises a paper guiding roller 923 connected with a motor 922 and a rubber paper pressing roller 924 mutually abutting against the paper guiding roller 923. The paper guiding roller 923 is specifically a cooling cylinder, and has the function of cooling and retaining moisture on the paper 1.
An eleventh paper guide roller 93 is arranged on one side of the eighth silicon oven 628, a third tension roller 94 is arranged on one side of the eleventh paper guide roller 93, the water feeding and rewetting device 91 transmits water to the surface of the first water feeding roller 912 through the first water guide roller 911, and paper is transmitted to the surface of the first water feeding roller 912 through the silicone oil drying device 6 and is subjected to water feeding operation. The paper 1 subjected to silicone oil drying becomes brittle, the paper is easy to wrinkle in the transmission process, the back of the paper 1 subjected to silicone oil drying through the silicone oil drying device 6 is subjected to water feeding operation, the paper 1 is softened, the smoothness of the paper 1 in the transmission process is better, a twelfth paper guide roller 95 is arranged on one side of the water feeding and rewetting device 91, a fourth tension roller 96 is arranged on the twelfth paper guide roller 95, and a thirteenth paper guide roller 97 is arranged below the fourth tension roller 96.
After the silicone oil is dried by the silicone oil drying device 6, the paper 1 is transmitted to the surface of the first water feeding roller 912 through the eleventh paper guiding roller 93 and the third tension roller 94 for water feeding operation, and is transmitted to the paper guiding roller 923 through the twelfth paper guiding roller 95, the fourth tension roller 96 and the thirteenth paper guiding roller 97 for transmission to the winding device 7 for winding after the water feeding operation. The winding device 7 comprises a second placing frame 71 and a second paper guiding cutter 72.
The paper is cooled by the paper guide roller 923 to cool the paper 1 to normal temperature, thereby preventing evaporation of water in the paper 1. The paper guide roller 923 and the rubber platen roller 924 abut against each other to carry out lamination and conveyance of the paper 1, and to carry out tension blocking of the paper 1 conveyance.
The starting speed of the production equipment for producing the release paper is set to be 500m/min, and the performance parameters of the release paper are as follows: the coating weight of the dry silicon is 0.25-0.35g/m 2 The normal temperature stripping force is 0.08-0.180N/25mm, the aging at 70 ℃ for 20hr has the stripping force less than 0.6N/25mm, and the residual adhesion rate is more than 80%.
A release paper manufacturing process comprises the following steps,
s1, unreeling a paper 1 to a gluing device 3 for gluing through an unreeling device 2;
s2, after the sizing equipment 3 finishes sizing the paper 1, the paper 1 is transmitted to the glue drying equipment 4 for drying operation, so that a glue layer 11 is formed on the paper 1;
s3, conveying the paper 1 with the adhesive layer 11 to silicone oil applying equipment for silicone oil applying operation;
s4, after finishing the silicone oil application of the paper 1, the silicone oil application equipment transmits the paper to the silicone oil drying equipment 6 for drying operation so as to form a release agent layer 12 on the paper 1;
s5, water feeding and rewetting are carried out on the paper 1 with the release agent layer 12;
s6, winding the paper 1 with the release agent layer 12 formed by the winding equipment 7;
the rubberizing device 3 comprises a first rubberizing device 31 and a second rubberizing device 32 which are mutually connected and can be mutually switched for rubberizing, and the rubberizing device comprises a first rubberizing device 51 which is mutually connected and can be mutually switched, and a second rubberizing device 52 which is connected with and arranged on one side of the first rubberizing device 51.
The first sizing device 31 is used for applying white latex to the paper 1, the second sizing device 32 is used for applying PVA (polyvinyl alcohol) glue to the paper 1, wherein the sizing operation is one of the white latex and the PVA glue, when the white latex is selectively applied, the second sizing roller 321 is used for guiding paper only, when the PVA glue is selectively applied, the first sizing roller 312 is used for guiding paper only, the first sizing device 31 is used for transmitting the white latex to the first sizing roller 312 through the first rubber guiding roller 311, the surface of the paper 1 and the first sizing roller 312 are mutually attached and transmitted for sizing operation, and after sizing is finished, the first sizing roller 313 is used for scraping and leveling; the second glue applying device 32 performs glue applying operation through the mutual lamination and transmission between the surface of the paper 1 and the second glue applying roller 321, and after the glue applying is completed, the second glue scraping rod 323 performs glue scraping and trowelling treatment.
The first silicone oil applying device 51 applies solvent silicone oil to the surface of the paper 1 after the glue drying is finished, the second silicone oil applying device 52 applies solvent-free silicone oil to the surface of the paper 1 after the glue drying is finished, wherein the silicone oil applying operation is that one of solvent silicone oil and solvent-free silicone oil is selected, the fourth silicone oil applying roller 524 only conducts paper guiding when the solvent silicone oil is selected to be applied, the first silicone applying roller 511 only conducts paper guiding when the solvent-free silicone oil is selected to be applied, the paper is attached to the surface of the first silicone applying roller 511, the silicone oil applying operation is performed, and the paper 1 is subjected to silicone oil applying operation between the fourth silicone oil applying roller 524 and the fifth platen roller 525.
After the paper 1 is dried to form the release agent layer 12, the paper 1 is transported to the surface of the first water feeding roller 912 through the silicone oil drying device 6 and is subjected to water feeding operation.
In the present invention: the sizing equipment 3 comprises a first sizing equipment 31 and a second sizing equipment 32 which are connected with each other and can be mutually switched for sizing, the sizing equipment comprises a first sizing equipment 51 which is connected with each other and can be mutually switched, and a second sizing equipment 52 which is connected with one side of the first sizing equipment 51, and the two sizing equipment 3 and the sizing equipment are arranged so as to be convenient for switching between different base coating and different silicone oil varieties, so that the production flexibility is higher, the resource utilization rate is higher, the sizing trowelling treatment is carried out after the sizing equipment 3 is used for sizing, the surface sizing flatness effect of the paper 1 is better, and the sizing is uniform; secondly, after the silicone oil is dried, water feeding and rewetting treatment is carried out, so that the paper 1 becomes soft, and the flatness of the paper is ensured.
Claims (7)
1. The utility model provides a release paper production facility which characterized in that: the paper sizing device comprises unreeling equipment (2), sizing equipment (3) connected with the unreeling equipment (2) and used for sizing paper (1), sizing equipment (4) connected with the sizing equipment (3) and used for heating and drying the sized paper (1), silicone oil applying equipment connected with the sizing equipment (4) and used for applying silicone oil to the dried paper (1), silicone oil drying equipment (6) connected with the silicone oil applying equipment and used for drying silicone oil to the paper (1), and reeling equipment (7), wherein the sizing equipment (3) comprises first sizing equipment (31) and second sizing equipment (32) which are connected with each other and used for sizing in a switchable manner, and the silicone oil applying equipment comprises first silicone oil applying equipment (51) which are connected with each other and used for switching between each other, and second silicone oil applying equipment (52) connected with and arranged on one side of the first silicone oil applying equipment (51);
the device is characterized in that a conveying assembly (8) is arranged between the silicone oil feeding device and the glue drying device (4), the conveying assembly (8) comprises a traction roller (81) arranged in the downstream direction of the glue drying device (4), a traction press roller (82) mutually propped against the traction roller (81), and a floating roller (83) arranged below the traction press roller (82), the silicone oil feeding device (6) is connected with a post-processing device, the post-processing device is connected with a winding device (7) for winding the paper (1), the post-processing device comprises a water feeding and moisture regaining device (91) connected with the silicone oil feeding device (6) and a cooling transmission device (92), the water feeding and moisture regaining device (91) comprises a first water feeding roller (911), a first water feeding roller (912) mutually propped against the first water feeding roller (911), and the cooling transmission device (92) comprises a paper feeding roller (923) connected with a motor (922) and a rubber pressing roller (924) mutually propped against the paper feeding roller (923);
the first rubberizing equipment (31) include first rubber roll (311), with first rubber roll (312) of leading rubber roll (311) and contradict each other, set up in first smooth flat roller (313) of first rubber roll (312) one side, second rubberizing equipment (32) include second rubber roll (321), with second rubber roll (321) contradict each other and set up in first back of the body roller (322) in the middle part, with first back of the body roller (322) contradict each other and set up in second scraping rubber stick (323) of one side, second rubber roll (321) and first rubber roll (312) interconnect and carry out paper transmission.
2. The release paper production device according to claim 1, wherein: the glue drying equipment (4) comprises a glue drying oven (41) connected with a second glue coating equipment (32), a plurality of first nozzles (411) for spraying hot air and a first conveying belt (412) arranged below the first nozzles (411) are arranged in the glue drying oven (41), the first nozzles (411) are arranged in an arc shape, the silicon drying equipment (6) comprises a silicon drying oven (61) connected with a second silicon oil applying equipment (52), a plurality of second nozzles (611) for spraying hot air and a second conveying belt (612) arranged below the second nozzles (611) are arranged in the silicon drying oven (61), and the second nozzles (611) are arranged in an arc shape.
3. The release paper production device according to claim 1, wherein: the first silicone oil feeding device (51) is provided with a first silicone roller (511), a first paper pressing roller (513) and a first paper guiding roller (512), and the second silicone oil feeding device (52) comprises a first gap adjusting roller (521), a second metering roller (522), a third silicone oil conveying roller (523), a fourth silicone oil coating roller (524) and a fifth paper pressing roller (525) which are mutually abutted to each other for conveying silicone oil.
4. A release paper manufacturing process is characterized in that: comprises the steps of,
s1, unreeling a paper (1) to a gluing device (3) through an unreeling device (2) for gluing;
s2, after the paper (1) is glued by the gluing equipment (3), the paper is transmitted to the glue drying equipment (4) for drying operation, so that a glue layer (11) is formed on the paper (1);
s3, transmitting the paper (1) with the adhesive layer (11) to silicone oil applying equipment for silicone oil applying operation;
s4, after the silicone oil applying equipment finishes applying silicone oil to the paper (1), the paper is transmitted to the silicone oil drying equipment (6) for drying operation, so that a release agent layer (12) is formed on the paper (1);
s5, water feeding and rewetting are carried out on the paper (1) with the release agent layer (12);
s6, winding the paper (1) with the release agent layer (12) formed by the winding equipment (7);
the rubberizing equipment (3) comprises first rubberizing equipment (31) and second rubberizing equipment (32) which are mutually connected and can be mutually switched for rubberizing, and the rubberizing equipment comprises first rubberizing equipment (51) which are mutually connected and can be mutually switched, and second rubberizing equipment (52) which is connected with one side of the first rubberizing equipment (51) and is arranged on one side of the first rubberizing equipment.
5. The release paper manufacturing process according to claim 4, wherein: the first sizing device (31) is used for applying white latex to the paper (1), the second sizing device (32) is used for applying PVA (polyvinyl alcohol) to the paper (1), the sizing operation is selected from white latex and PVA, when white latex is selectively applied, the second sizing roller (321) is used for guiding paper only, when PVA is selectively applied, the first sizing roller (312) is used for guiding paper only, the first sizing device (31) is used for transmitting white latex to the first sizing roller (312) through the first rubber guiding roller (311), the surface of the paper (1) and the first sizing roller (312) are mutually attached and transmitted for sizing operation, and after sizing is finished, the first sizing roller (313) is used for scraping and trowelling; the second gluing equipment (32) is used for gluing through mutual fitting and transmission of the surface of the paper (1) and the second gluing roller (321), and after gluing is finished, the second gluing equipment is used for gluing and trowelling through the second glue scraping rod (323).
6. The release paper manufacturing process according to claim 4, wherein: the first silicone oil applying device (51) applies solvent silicone oil to the surface of the paper (1) after glue drying, the second silicone oil applying device (52) applies solvent-free silicone oil to the surface of the paper (1) after glue drying, the silicone oil applying operation is one of solvent silicone oil and solvent-free silicone oil, the fourth silicone oil applying roller (524) only conducts paper guiding when solvent silicone oil is selected to be applied, the first silicone oil applying roller (511) only conducts paper guiding when solvent-free silicone oil is selected to be applied, the paper (1) is attached to the surface of the first silicone oil applying roller (511), and the paper (1) is subjected to silicone oil applying operation between the fourth silicone oil applying roller (524) and the fifth paper pressing roller (525).
7. The release paper manufacturing process according to claim 4, wherein: after the paper (1) is dried to form the release agent layer (12), the paper (1) is transmitted to the surface of the first water feeding roller (912) through the silicone oil drying equipment (6) and is subjected to water feeding operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910065536.4A CN109653026B (en) | 2019-01-22 | 2019-01-22 | Release paper and equipment and process for producing release paper |
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| CN201910065536.4A CN109653026B (en) | 2019-01-22 | 2019-01-22 | Release paper and equipment and process for producing release paper |
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| CN109653026A CN109653026A (en) | 2019-04-19 |
| CN109653026B true CN109653026B (en) | 2024-01-30 |
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| CN111218850A (en) * | 2020-01-21 | 2020-06-02 | 佛山市新飞卫生材料有限公司 | Release paper manufacturing process and release paper produced by same |
| CN111391466A (en) * | 2020-03-31 | 2020-07-10 | 南京汇鑫光电材料有限公司 | Thick glue coating process and processing equipment thereof |
| CN114453186A (en) * | 2022-01-12 | 2022-05-10 | 安徽恒易纸业有限公司 | Release paper coating equipment and method for adhesive tape production |
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Address after: 528000 No.18 Taojin Road, hardware industrial zone, Danzao Town, Nanhai District, Foshan City, Guangdong Province Applicant after: FOSHAN XINFEI SANITARY MATERIALS Co.,Ltd. Address before: No.18 Taojin Road, hardware industrial zone, Danzao Town, Nanhai District, Foshan City, Guangdong Province Applicant before: FOSHAN XINFEI SANITARY MATERIALS Co.,Ltd. |
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