CN112726286A - High-temperature-resistant release paper and preparation method thereof - Google Patents
High-temperature-resistant release paper and preparation method thereof Download PDFInfo
- Publication number
- CN112726286A CN112726286A CN202110078458.9A CN202110078458A CN112726286A CN 112726286 A CN112726286 A CN 112726286A CN 202110078458 A CN202110078458 A CN 202110078458A CN 112726286 A CN112726286 A CN 112726286A
- Authority
- CN
- China
- Prior art keywords
- parts
- temperature
- release
- base paper
- temperature resistant
- 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.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 239000010410 layer Substances 0.000 claims abstract description 15
- 239000012790 adhesive layer Substances 0.000 claims abstract description 8
- 239000011241 protective layer Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000010030 laminating Methods 0.000 claims abstract description 3
- 239000002002 slurry Substances 0.000 claims description 35
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 238000004537 pulping Methods 0.000 claims description 15
- 239000012752 auxiliary agent Substances 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 12
- 238000004513 sizing Methods 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 239000003610 charcoal Substances 0.000 claims description 7
- 239000011121 hardwood Substances 0.000 claims description 7
- 229920000728 polyester Polymers 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 239000012744 reinforcing agent Substances 0.000 claims description 7
- 239000011122 softwood Substances 0.000 claims description 7
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 5
- 238000004061 bleaching Methods 0.000 claims description 5
- 238000010411 cooking Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- ZHPNWZCWUUJAJC-UHFFFAOYSA-N fluorosilicon Chemical compound [Si]F ZHPNWZCWUUJAJC-UHFFFAOYSA-N 0.000 claims description 2
- 239000002649 leather substitute Substances 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000010408 film Substances 0.000 description 12
- 239000004814 polyurethane Substances 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000010409 thin film Substances 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
- D21H27/001—Release paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
- D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
- D21H11/06—Sulfite or bisulfite pulp
-
- 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
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H13/24—Polyesters
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/84—Paper comprising more than one coating on both sides of the substrate
-
- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
-
- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/18—Reinforcing agents
-
- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/18—Reinforcing agents
- D21H21/20—Wet strength agents
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Abstract
The application discloses high-temperature-resistant release paper which comprises a release base paper layer, wherein a high-temperature-resistant film layer and a laminating film layer are sequentially arranged on the upper side of the release base paper layer from inside to outside; and the lower side of the release base paper layer is sequentially provided with a water-based adhesive layer and a protective layer from inside to outside. The high-temperature-resistant release paper disclosed by the invention is reasonable in formula, simple in preparation process, low in production cost, good in temperature resistance at 230-250 ℃, and wide in application prospect in the field of synthetic leather and artificial leather.
Description
Technical Field
The application relates to the technical field of release paper, in particular to high-temperature-resistant release paper and a preparation method thereof.
Background
The release paper is special paper which can prevent isolated substances from being adhered to the surface and can protect the isolated substances from being polluted. The types of release paper can be divided into two main types: one is release paper for producing polyvinyl chloride (PVC) artificial leather; the other is release paper for producing Polyurethane (PU) synthetic leather.
The high-temperature resistant release paper can be used for manufacturing synthetic leather, artificial leather and the like with different temperature requirements. The heat-resistant temperature of the high-temperature resistant release paper is 150-240 ℃, the heat-resistant temperature of the release paper prepared at present in China is lower, the heat-resistant temperature of the release paper for manufacturing PVC artificial leather is about 200 ℃, and the heat-resistant temperature of the release paper for manufacturing PU synthetic leather is about 160 ℃, so that the working requirement cannot be met. The heat-resistant temperature of the foreign high-temperature resistant release paper can reach 265 ℃ at most, so most of the high-temperature resistant release paper depends on import. Therefore, the research and development of the high-temperature resistant release paper not only has higher market value, but also can break through the monopoly state of foreign enterprises on the product series, once the domestic high-temperature resistant release paper is successfully developed and put into the market, the price reduction pressure is inevitably generated on the price of imported paper, and therefore high-temperature resistant paper application merchants in China can obtain cheaper high-temperature resistant release paper, and the production cost is reduced.
Disclosure of Invention
The invention aims to overcome the defects and provides the high-temperature-resistant release paper and the preparation method thereof, the formula is reasonable, the preparation process is simple, the production cost is low, the high-temperature-resistant release paper with good temperature resistance at 230-250 ℃ is finally obtained, and the application prospect in the fields of synthetic leather and artificial leather is wide.
In order to achieve the purpose, the invention provides the following technical scheme:
the high-temperature-resistant release paper comprises a release base paper layer, wherein a high-temperature-resistant thin film layer and a laminating layer are sequentially arranged on the upper side of the release base paper layer from inside to outside; and the lower side of the release base paper layer is sequentially provided with a water-based adhesive layer and a protective layer from inside to outside.
The invention also relates to a preparation method of the high-temperature resistant release paper, which sequentially comprises the steps of preparing release base paper with the thickness of 0.10-0.15 mm; covering a high-temperature resistant film with the thickness of 0.20-0.25 mm on the release base paper; spraying a fluorine-silicon release agent with the film thickness of 0.04-0.06 mm on the upper side of the high-temperature resistant film; the lower side of the release base paper is sequentially provided with a water-based adhesive layer with the thickness of 0.03-0.08 mm and a protective layer with the thickness of 0.05-0.10 mm.
The release base paper comprises the following components in parts by weight:
60-70 parts of softwood, 10-20 parts of hardwood pulp, 2-4 parts of bamboo charcoal powder, 2-4 parts of modified polyester fiber, 4-8 parts of inorganic high-temperature resistant auxiliary agent, 4-8 parts of organic high-temperature resistant auxiliary agent, 2-4 parts of high-temperature resistant reinforcing agent, 0.5-0.8 part of sizing agent and 0.2-0.6 part of humidifying agent.
The preparation method of the release base paper sequentially comprises the following steps:
s1 preparation of slurry: cutting 60-70 parts of softwood and 10-20 parts of hardwood into chips, then cooking and pulping by a sulfite method, carrying out DQP three-section totally chlorine-free bleaching and washing to obtain electronic grade pulp with whiteness reaching 70-80%, adding bamboo charcoal powder with the mass of 2-4 parts of pulp, uniformly dispersing, and pulping to 35-40 DEG SR by adopting a pulping machine under the concentration of 2.0-3.0% pulp;
s2 slurry preparation: adding 2-4 parts of modified polyester fiber into the slurry prepared in the step S1, and mixing the slurry in a slurry mixing pool;
s3 sheet making: adding 4-8 parts of inorganic high-temperature resistant auxiliary agent, 4-8 parts of organic high-temperature resistant auxiliary agent, 2-4 parts of high-temperature resistant reinforcing agent, 0.5-0.8 part of sizing agent and 0.2-0.6 part of humidifying agent into the slurry in sequence, and then fully separating in a fiber separator at the rotation speed of 30000 r/min and the rotation speed of 2800 r/min; making the dispersed slurry into sheets in a sheet making machine;
s4 paper forming: the release base paper is prepared by a pressing part, a front drying part, sizing, a rear drying part, press polishing, reeling and slitting.
Compared with the prior art, the invention has the advantages that: the high-temperature-resistant release paper disclosed by the invention is reasonable in formula, simple in preparation process, low in production cost, good in temperature resistance at 230-250 ℃, and wide in application prospect in the field of synthetic leather and artificial leather.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Example 1
The preparation method of the release base paper sequentially comprises the following steps:
s1 preparation of slurry: cutting 65 parts of softwood and 15 parts of hardwood into chips, cooking and pulping by a sulfite method, carrying out DQP three-section totally chlorine-free bleaching and washing to obtain electronic grade pulp with the whiteness reaching 78%, adding bamboo charcoal powder with the mass of 3 parts of pulp, uniformly dispersing, and pulping to 38-degree SR at the pulp concentration of 2.6% by using a pulping machine;
s2 slurry preparation: adding 3 parts of modified polyester fiber into the slurry prepared in the step S1, and mixing the slurry in a slurry mixing pool;
s3 sheet making: adding 5 parts of inorganic high-temperature resistant auxiliary agent, 6 parts of organic high-temperature resistant auxiliary agent, 3 parts of high-temperature resistant reinforcing agent, 0.6 part of sizing agent and 0.4 part of humidifying agent into the slurry in sequence, and then fully separating in a fiber separator at the revolution of 30000 r at the rotation speed of 2800 r/min; making the dispersed slurry into sheets in a sheet making machine;
s4 paper forming: the release base paper with the thickness of 0.10mm is prepared by a pressing part, a front drying part, sizing, a rear drying part, press polishing, reeling and slitting.
The preparation of the high-temperature resistant release paper sequentially comprises the following steps:
covering a high-temperature resistant film with the thickness of 0.25mm on a release base paper with the thickness of 0.10 mm; spraying a fluorosilicone release agent with the film thickness of 0.04mm on the upper side of the high-temperature resistant film; and sequentially arranging a water-based adhesive layer with the thickness of 0.06mm and a protective layer with the thickness of 0.08mm on the lower side of the release base paper to obtain the high-temperature-resistant release paper.
Example 2
The preparation method of the release base paper sequentially comprises the following steps:
s1 preparation of slurry: cutting 70 parts of softwood and 10 parts of hardwood into chips, cooking and pulping by a sulfite method, carrying out DQP three-section totally chlorine-free bleaching and washing to obtain electronic grade pulp with whiteness reaching 74%, adding bamboo charcoal powder with 3 parts of pulp by mass, uniformly dispersing, and pulping to 36-degree SR at the pulp concentration of 2.4% by using a pulping machine;
s2 slurry preparation: adding 2 parts of modified polyester fiber into the slurry prepared in the step S1, and mixing the slurry in a slurry mixing pool;
s3 sheet making: adding 7 parts of inorganic high-temperature resistant auxiliary agent, 5 parts of organic high-temperature resistant auxiliary agent, 2 parts of high-temperature resistant reinforcing agent, 0.8 part of sizing agent and 0.5 part of humidifying agent into the slurry in sequence, and then fully separating in a fiber separator at the revolution of 30000 r at the rotation speed of 2800 r/min; making the dispersed slurry into sheets in a sheet making machine;
s4 paper forming: the release base paper with the thickness of 0.12mm is prepared by a pressing part, a front drying part, sizing, a rear drying part, press polishing, reeling and slitting.
The preparation of the high-temperature resistant release paper sequentially comprises the following steps:
covering a high-temperature resistant film with the thickness of 0.20mm on a release base paper with the thickness of 0.12 mm; spraying a fluorosilicone release agent with the film thickness of 0.05mm on the upper side of the high-temperature resistant film; and sequentially arranging a water-based adhesive layer with the thickness of 0.07mm and a protective layer with the thickness of 0.06mm on the lower side of the release base paper to obtain the high-temperature-resistant release paper.
Example 3
The preparation method of the release base paper sequentially comprises the following steps:
s1 preparation of slurry: cutting 60 parts of softwood and 20 parts of hardwood into chips, cooking and pulping by a sulfite method, carrying out DQP three-section totally chlorine-free bleaching and washing to obtain electronic grade pulp with the whiteness reaching 76%, adding bamboo charcoal powder with the mass of 3 parts of pulp, uniformly dispersing, and pulping to 37-degree SR at the pulp concentration of 2.8% by using a pulping machine;
s2 slurry preparation: adding 4 parts of modified polyester fiber into the slurry prepared in the step S1, and mixing the slurry in a slurry mixing pool;
s3 sheet making: adding 6 parts of inorganic high-temperature resistant auxiliary agent, 7 parts of organic high-temperature resistant auxiliary agent, 3 parts of high-temperature resistant reinforcing agent, 0.5 part of sizing agent and 0.5 part of humidifying agent into the slurry in sequence, and then fully separating in a fiber separator at the revolution of 30000 r at the rotation speed of 2800 r/min; making the dispersed slurry into sheets in a sheet making machine;
s4 paper forming: the release base paper with the thickness of 0.15mm is prepared by a pressing part, a front drying part, sizing, a rear drying part, press polishing, reeling and slitting.
The preparation of the high-temperature resistant release paper sequentially comprises the following steps:
covering a high-temperature resistant film with the thickness of 0.22mm on a release base paper with the thickness of 0.15 mm; spraying a fluorosilicone release agent with the film thickness of 0.06mm on the upper side of the high-temperature resistant film; and sequentially arranging a water-based adhesive layer with the thickness of 0.08mm and a protective layer with the thickness of 0.07mm on the lower side of the release base paper to obtain the high-temperature-resistant release paper.
The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.
Claims (4)
1. The high-temperature-resistant release paper is characterized by comprising a release base paper layer, wherein a high-temperature-resistant film layer and a laminating film layer are sequentially arranged on the upper side of the release base paper layer from inside to outside; and the lower side of the release base paper layer is sequentially provided with a water-based adhesive layer and a protective layer from inside to outside.
2. The high-temperature-resistant release paper according to claim 1, wherein the release base paper comprises the following components in parts by mass: 60-70 parts of softwood, 10-20 parts of hardwood pulp, 2-4 parts of bamboo charcoal powder, 2-4 parts of modified polyester fiber, 4-8 parts of inorganic high-temperature resistant auxiliary agent, 4-8 parts of organic high-temperature resistant auxiliary agent, 2-4 parts of high-temperature resistant reinforcing agent, 0.5-0.8 part of sizing agent and 0.2-0.6 part of humidifying agent.
3. The high-temperature-resistant release paper according to claim 1, wherein the preparation method of the release base paper comprises the following steps in sequence:
s1 preparation of slurry: cutting 60-70 parts of softwood and 10-20 parts of hardwood into chips, then cooking and pulping by a sulfite method, carrying out DQP three-section totally chlorine-free bleaching and washing to obtain electronic grade pulp with whiteness reaching 70-80%, adding bamboo charcoal powder with the mass of 2-4 parts of pulp, uniformly dispersing, and pulping to 35-40 DEG SR by adopting a pulping machine under the concentration of 2.0-3.0% pulp;
s2 slurry preparation: adding 2-4 parts of modified polyester fiber into the slurry prepared in the step S1, and mixing the slurry in a slurry mixing pool;
s3 sheet making: adding 4-8 parts of inorganic high-temperature resistant auxiliary agent, 4-8 parts of organic high-temperature resistant auxiliary agent, 2-4 parts of high-temperature resistant reinforcing agent, 0.5-0.8 part of sizing agent and 0.2-0.6 part of humidifying agent into the slurry in sequence, and then fully separating in a fiber separator at the rotation speed of 30000 r/min and the rotation speed of 2800 r/min; making the dispersed slurry into sheets in a sheet making machine;
s4 paper forming: the release base paper is prepared by a pressing part, a front drying part, sizing, a rear drying part, press polishing, reeling and slitting.
4. The preparation method of the high-temperature resistant release paper according to claims 1 to 3, characterized by sequentially preparing release base paper with the thickness of 0.10-0.15 mm; covering a high-temperature resistant film with the thickness of 0.20-0.25 mm on the release base paper; spraying a fluorine-silicon release agent with the film thickness of 0.04-0.06 mm on the upper side of the high-temperature resistant film; the lower side of the release base paper is sequentially provided with a water-based adhesive layer with the thickness of 0.03-0.08 mm and a protective layer with the thickness of 0.05-0.10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110078458.9A CN112726286A (en) | 2021-01-21 | 2021-01-21 | High-temperature-resistant release paper and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110078458.9A CN112726286A (en) | 2021-01-21 | 2021-01-21 | High-temperature-resistant release paper and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112726286A true CN112726286A (en) | 2021-04-30 |
Family
ID=75594451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110078458.9A Pending CN112726286A (en) | 2021-01-21 | 2021-01-21 | High-temperature-resistant release paper and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112726286A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003003400A (en) * | 2001-06-20 | 2003-01-08 | Kohjin Co Ltd | Lining paper for wall paper with high peeling strength |
| CN102587192A (en) * | 2012-03-14 | 2012-07-18 | 江南大学 | High temperature resistant release paper and preparation method thereof |
| CN104846691A (en) * | 2015-04-27 | 2015-08-19 | 斯迪克新型材料（江苏）有限公司 | Embossed release paper |
| CN107718816A (en) * | 2017-11-07 | 2018-02-23 | 江苏福泰涂布科技股份有限公司 | A kind of high temperature resistant release liners |
| CN207452576U (en) * | 2017-10-24 | 2018-06-05 | 江苏福泰涂布科技股份有限公司 | A kind of anti-static release paper |
| CN111395029A (en) * | 2020-03-24 | 2020-07-10 | 吉翔宝（太仓）离型材料科技发展有限公司 | High-temperature-resistant embossing release paper for PU leather production and preparation process thereof |
| CN211227871U (en) * | 2019-10-12 | 2020-08-11 | 温州新意特种纸业有限公司 | High-temperature release paper for artificial leather |
-
2021
- 2021-01-21 CN CN202110078458.9A patent/CN112726286A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003003400A (en) * | 2001-06-20 | 2003-01-08 | Kohjin Co Ltd | Lining paper for wall paper with high peeling strength |
| CN102587192A (en) * | 2012-03-14 | 2012-07-18 | 江南大学 | High temperature resistant release paper and preparation method thereof |
| CN104846691A (en) * | 2015-04-27 | 2015-08-19 | 斯迪克新型材料（江苏）有限公司 | Embossed release paper |
| CN207452576U (en) * | 2017-10-24 | 2018-06-05 | 江苏福泰涂布科技股份有限公司 | A kind of anti-static release paper |
| CN107718816A (en) * | 2017-11-07 | 2018-02-23 | 江苏福泰涂布科技股份有限公司 | A kind of high temperature resistant release liners |
| CN211227871U (en) * | 2019-10-12 | 2020-08-11 | 温州新意特种纸业有限公司 | High-temperature release paper for artificial leather |
| CN111395029A (en) * | 2020-03-24 | 2020-07-10 | 吉翔宝（太仓）离型材料科技发展有限公司 | High-temperature-resistant embossing release paper for PU leather production and preparation process thereof |
Non-Patent Citations (1)
| Title |
|---|
| 杨世英等: "工程塑料手册", 中国纺织出版社, pages: 405 - 408 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2900869B1 (en) | Hybrid fiber compositions and uses in containerboard packaging | |
| CN102978995B (en) | Production method for base wallpaper | |
| CN102677532B (en) | Process for preparing cultural paper by utilizing full-recovered pulp | |
| CN103437227B (en) | A kind of production method of Deinking Pulp | |
| CN105839471B (en) | A kind of production technology of light basis weight high grade of transparency onionskin | |
| CN106012658B (en) | Breathable medical adhesive tape base material and its manufacture method | |
| CN111118961B (en) | Low-gram-weight recycled craft paper and production process thereof | |
| CN113073498A (en) | High-breakage-resistance multilayer kraft liner board paper and preparation method thereof | |
| CN110820413A (en) | Wear-resistant waterproof bobbin paper and preparation method thereof | |
| CN111395030A (en) | Production process of low-warpage kraft liner cardboard paper | |
| AU2019100761A4 (en) | Enhancement of paper strength by a dual system of cationic polymer and hemicelluloses | |
| CN112726286A (en) | High-temperature-resistant release paper and preparation method thereof | |
| CN106192515A (en) | A kind of strong pulp and preparation technology thereof | |
| CN1827911A (en) | Mechanical cold method for making paper pulp | |
| CN108162112A (en) | A kind of ternary built dyestuff and the method that high color fastness veneer layer is prepared using the dyestuff | |
| CN116427208B (en) | Processing technology of high-strength wear-resistant bobbin base paper | |
| CN111979810A (en) | Process for preparing cardboard paper by using wood chip fibers | |
| CN100420791C (en) | Method and equipment for making high-grade life paper by using bagasse as material | |
| CN106758457B (en) | Energy-saving environment-friendly full-regeneration coated white cardboard and preparation method thereof | |
| CN101760988A (en) | Mixed pulp material and cultural paper prepared from the same | |
| CN104695264B (en) | Second hand cases paperboard ink and gluing thing synchronization process enzyme compositions and application thereof | |
| CN112391866A (en) | Method for producing food packaging paper by using bagasse pulp | |
| CN108049237B (en) | Environment-friendly decorative paper for artificial board veneer and artificial board adopting environment-friendly decorative paper | |
| CN216663636U (en) | High-breaking-resistance multilayer kraft cardboard paper | |
| CN110552245B (en) | Process for producing fine dried noodle bobbin base paper by using waste materials of paper mill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210430 |
|
| RJ01 | Rejection of invention patent application after publication |