CN108385446A - A kind of preparation method of high-temperature stable release paper - Google Patents
A kind of preparation method of high-temperature stable release paper Download PDFInfo
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- CN108385446A CN108385446A CN201810301197.0A CN201810301197A CN108385446A CN 108385446 A CN108385446 A CN 108385446A CN 201810301197 A CN201810301197 A CN 201810301197A CN 108385446 A CN108385446 A CN 108385446A
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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
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
-
- 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
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
-
- 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
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
The present invention relates to a kind of preparation methods of high-temperature stable release paper, belong to release paper field of material technology.Technical solution of the present invention uses peach gum for coating liquid main body, paper fibrous material surface is effectively coated, simultaneously after coating modification, colloid prevents organic material from going deep into inside paper fibre, by hydroxyapatite, this inorganic filling material absorbs heat, simultaneously organic high temperature-resistant auxiliary agent in modification liquid is coated to react under the action of high temperature, degradation absorbs the temperature of fiber surface, prevent fiber from thermal degradation occurs, protect fiber, it is mixed by organic material and inorganic filler and paper fibre is fully coated, this layer film is by when page is heated, inorganic high-temperature resistant auxiliary agent absorbs heat, group etc. in organic high temperature-resistant auxiliary agent, which is decomposed, absorbs heat, reduce the temperature of fiber surface, prevent fiber from thermal degradation occurs has excellent high temperature resistance to effectively improve release paper prepared by the present invention.
Description
Technical field
The present invention relates to a kind of preparation methods of high-temperature stable release paper, belong to release paper field of material technology.
Background technology
Leather production release paper belongs to one kind of coating separate paper, is the cruel synthetic leather of polyurethane referred to as leather and polychlorostyrene
The carrier and temporary mold of vinyl leathercloth's referred to as leather manufacture.Early stage with leather production is produced using stainless steel band method, i.e.,
Paste resin is coated on stainless steel band, after drying and moulding, then through cotton gin shuts out certain decorative pattern.It was given birth to later with release paper method
Production substitutes stainless steel band with release paper.Since release paper surface is first rolled into certain decorative pattern, surface layer has superperformance
Release layer is directly repeatedly coated in release layer surface with paste resin, and foamed process, drying, solidification crosslinking sizing,
Then release paper stripping being can be made into smooth surface or have the foam plastic of the dermatine in ridge design face or reflecting feel
Material products.Release paper method is more reasonable than the technique of the production of stainless steel band method and leather, equipment is simple, investment economy is particularly conducive to
Foaming, make made of synthetic leather density is small, good hand touch.One third can be saved to the various industrial chemicals of half, and energy
Be made density it is lower and leather, improve product quality.In addition the fabric optimum application to certain fabrics and to strain sensitive, energy
Prepare soft, good hand touch plastic film layer.
Release paper, production technology master is made in the domestic main method using the single coating mould release in release base paper at present
It by base paper, parting agent layer and to be embossed this three parts and forms, heat resisting temperature is relatively low so that other physical strengths such as high temperature resistance
It is relatively low;And the heat resisting temperature of external high temperature resistant release paper can reach 265 DEG C, and still there is preferable heat-resisting quantity
Energy.Domestic required high temperature resistant release paper is caused all to rely on import at present.Therefore the research and development tool of this high temperature resistant release paper
There are very high market value and social effect.
Invention content
The technical problems to be solved by the invention:For the problem that existing release paper material high temperature resistance is poor, provide
A kind of preparation method of high-temperature stable release paper.
In order to solve the above technical problems, the technical solution adopted by the present invention is:
(1)Peach gum and vacuum freeze drying are taken, grinds and is sieved, obtain peach gum powder and count in parts by weight, weigh respectively
45~50 parts of deionized waters, 6~8 parts of methanol, 3~5 parts of emulsifier op-10s and 10~15 parts of peach gum powder are stirred, homogeneous
Processing, ultrasonic disperse must disperse modification liquid;
(2)It counts in parts by weight again, weighs 45~50 parts of deionized waters, 3~5 parts of zirconium oxychlorides, 6~8 parts of boraxs and vinegar respectively
Acid solution is placed in beaker, is stirred to obtain mixed liquor, adjusts pH to 8.5, and heating water bath obtains matrix liquid;
(3)It counts in parts by weight, weighs 45~50 parts of deionized waters, 3~5 parts of potassium chloride, 1~2 part of formaldehyde, 0.5~1.0 respectively
Part sodium hydroxide, 0.5~1.0 part of hexamethylenetetramine, 10~15 parts of matrix liquid and 10~15 parts of disperse modified liquid are placed in three mouthfuls
In flask, heating water bath, standing is cooled to room temperature to obtain coating modification liquid;
(4)Bleached softwood wood wood pulp is taken to be placed in defibrination process in PFI fiberizers, in mass ratio 1:10, by 200 mesh hydroxy-apatites
Stone powder is added in wood pulp slurry, is stirred and copy paper is handled and dried, obtain dry paper;
(5)Dry paper is placed on coating machine, processing is coated with coating modification liquid to modified page, it is dry after the completion of coating
Dry 2~3min, the high-temperature stable release paper can be prepared by then standing to be cooled to room temperature.
Step(4)The wood pulp slurry is the wood pulp slurry of 35 ° of SR of beating degree.
Step(5)Each coating thickness is 0.1mm to the coating process in order to control, often coating once places it in 95~
Dry 45~60s, is coated with 3 times repeatedly at 100 DEG C.
Compared with other methods, advantageous effects are the present invention:
Technical solution of the present invention uses peach gum for coating liquid main body, is effectively coated to paper fibrous material surface, while
After coating modification, colloid prevents organic material from going deep into inside paper fibre, is inhaled by this inorganic filling material of hydroxyapatite
Heat is received, while coating organic high temperature-resistant auxiliary agent in modification liquid and reacting under the action of high temperature, degradation absorbs fiber surface
Temperature, prevent fiber occur thermal degradation, protect fiber, by organic material and inorganic filler mixing and to paper fibre carry out
Fully cladding, this layer film is by when page is heated, inorganic high-temperature resistant auxiliary agent absorbs heat, the group in organic high temperature-resistant auxiliary agent
Heat is absorbed etc. decomposing, reduces the temperature of fiber surface, prevents fiber from thermal degradation occurs to effectively improve system of the present invention
Standby release paper has excellent high temperature resistance.
Specific implementation mode
Peach gum and vacuum freeze drying are taken, grinds and crosses 200 mesh sieve, obtain peach gum powder and count in parts by weight, point
It also known as measures 45~50 parts of deionized waters, 6~8 parts of methanol, 3~5 parts of emulsifier op-10s and 10~15 parts of peach gum powder and is placed in burning
Cup in, be stirred and be placed in 10~15min of homogenization in homogenizer, then at 200~300W ultrasonic disperse 10~
15min obtains dispersion modification liquid;Count in parts by weight again, respectively weigh 45~50 parts of deionized waters, 3~5 parts of zirconium oxychlorides, 6~
8 parts of boraxs and 5% acetum of mass fraction are placed in beaker, mixed liquor are stirred to obtain, to 0.5mol/ is added dropwise in mixed liquor
L sodium hydroxide solutions are to pH to 8.5, then 3~5h of heating water bath at 45~55 DEG C, obtain matrix liquid;It counts in parts by weight, respectively
Weigh 45~50 parts of deionized waters, 3~5 parts of potassium chloride, 1~2 part of formaldehyde, 0.5~1.0 part of sodium hydroxide, 0.5~1.0 part six
Methine tetramine, 10~15 parts of matrix liquid and 10~15 parts of disperse modified liquid are placed in three-necked flask, and three-necked flask is placed in 45
3~5h of heating water bath at~50 DEG C, standing are cooled to room temperature to obtain coating modification liquid;Bleached softwood wood wood pulp is taken to be placed in PFI mills
Defibrination process in pulp grinder, in mass ratio 1:10,200 mesh hydroxyapatite powders are added to the wood pulp slurry of 35 ° of SR of beating degree
In, it is stirred and controls the quantification of 125~130g/m of copy paper2, copy paper handles and dries, and dry paper is obtained, by dry paper
It is placed on coating machine, processing is coated with coating modification liquid to modified page, it is 0.1mm to control each coating thickness, is often applied
Cloth once places it in dry 45~60s at 95~100 DEG C, after being coated with 3 times repeatedly, places it in dry at 120~125 DEG C
2~3min, the high-temperature stable release paper can be prepared by then standing to be cooled to room temperature.
Example 1
Peach gum and vacuum freeze drying are taken, grinds and crosses 200 mesh sieve, obtain peach gum powder and count in parts by weight, claim respectively
45 parts of deionized waters of amount, 6 parts of methanol, 3 parts of emulsifier op-10s and 10 parts of peach gum powder are placed in beaker, are stirred and are placed in
Homogenization 10min in homogenizer, then the ultrasonic disperse 10min at 200W, obtain dispersion modification liquid;It counts in parts by weight again, point
It also known as measures 45 parts of deionized waters, 3 parts of zirconium oxychlorides, 6 parts of boraxs and 5% acetum of mass fraction to be placed in beaker, stirring is mixed
Mixed liquor is closed to obtain, to dropwise addition 0.5mol/L sodium hydroxide solutions in mixed liquor to pH to 8.5, then the heating water bath 3h at 45 DEG C,
Obtain matrix liquid;Count in parts by weight, respectively weigh 45 parts of deionized waters, 3 parts of potassium chloride, 1 part of formaldehyde, 0.5 part of sodium hydroxide,
0.5 part of hexamethylenetetramine, 10 parts of matrix liquid and 10 parts of disperse modified liquid are placed in three-necked flask, and three-necked flask is placed in 45 DEG C
Lower heating water bath 3h, standing are cooled to room temperature to obtain coating modification liquid;Bleached softwood wood wood pulp is taken to be placed in defibrination in PFI fiberizers
Processing, in mass ratio 1:10,200 mesh hydroxyapatite powders are added in the wood pulp slurry of 35 ° of SR of beating degree, are stirred
And control the quantification of 125g/m of copy paper2, copy paper handles and dries, obtain dry paper, dry paper is placed on coating machine, to changing
Property page be coated processing with coating modification liquid, control each coating thickness be 0.1mm, often coating once place it in 95 DEG C
Lower dry 45s places it in dry 2min at 120 DEG C, then stands and be cooled to room temperature and can prepare after being coated with 3 times repeatedly
Obtain the high-temperature stable release paper.
Example 2
Peach gum and vacuum freeze drying are taken, grinds and crosses 200 mesh sieve, obtain peach gum powder and count in parts by weight, claim respectively
47 parts of deionized waters of amount, 7 parts of methanol, 4 parts of emulsifier op-10s and 12 parts of peach gum powder are placed in beaker, are stirred and are placed in
Homogenization 12min in homogenizer, then the ultrasonic disperse 15min at 250W, obtain dispersion modification liquid;It counts in parts by weight again, point
It also known as measures 47 parts of deionized waters, 4 parts of zirconium oxychlorides, 7 parts of boraxs and 5% acetum of mass fraction to be placed in beaker, stirring is mixed
Mixed liquor is closed to obtain, to dropwise addition 0.5mol/L sodium hydroxide solutions in mixed liquor to pH to 8.5, then the heating water bath 4h at 47 DEG C,
Obtain matrix liquid;Count in parts by weight, respectively weigh 47 parts of deionized waters, 4 parts of potassium chloride, 2 parts of formaldehyde, 0.7 part of sodium hydroxide,
0.7 part of hexamethylenetetramine, 12 parts of matrix liquid and 12 parts of disperse modified liquid are placed in three-necked flask, and three-necked flask is placed in 47 DEG C
Lower heating water bath 4h, standing are cooled to room temperature to obtain coating modification liquid;Bleached softwood wood wood pulp is taken to be placed in defibrination in PFI fiberizers
Processing, in mass ratio 1:10,200 mesh hydroxyapatite powders are added in the wood pulp slurry of 35 ° of SR of beating degree, are stirred
And control the quantification of 127g/m of copy paper2, copy paper handles and dries, obtain dry paper, dry paper is placed on coating machine, to changing
Property page be coated processing with coating modification liquid, control each coating thickness be 0.1mm, often coating once place it in 97 DEG C
Lower dry 47s places it in dry 2min at 122 DEG C, then stands and be cooled to room temperature and can prepare after being coated with 3 times repeatedly
Obtain the high-temperature stable release paper.
Example 3
Peach gum and vacuum freeze drying are taken, grinds and crosses 200 mesh sieve, obtain peach gum powder and count in parts by weight, claim respectively
50 parts of deionized waters of amount, 8 parts of methanol, 5 parts of emulsifier op-10s and 15 parts of peach gum powder are placed in beaker, are stirred and are placed in
Homogenization 15min in homogenizer, then the ultrasonic disperse 15min at 300W, obtain dispersion modification liquid;It counts in parts by weight again, point
It also known as measures 50 parts of deionized waters, 5 parts of zirconium oxychlorides, 8 parts of boraxs and 5% acetum of mass fraction to be placed in beaker, stirring is mixed
Mixed liquor is closed to obtain, to dropwise addition 0.5mol/L sodium hydroxide solutions in mixed liquor to pH to 8.5, then the heating water bath 5h at 55 DEG C,
Obtain matrix liquid;Count in parts by weight, respectively weigh 50 parts of deionized waters, 5 parts of potassium chloride, 2 parts of formaldehyde, 1.0 parts of sodium hydroxides,
1.0 parts of hexamethylenetetramines, 15 parts of matrix liquid and 15 parts of disperse modified liquid are placed in three-necked flask, and three-necked flask is placed in 50 DEG C
Lower heating water bath 5h, standing are cooled to room temperature to obtain coating modification liquid;Bleached softwood wood wood pulp is taken to be placed in defibrination in PFI fiberizers
Processing, in mass ratio 1:10,200 mesh hydroxyapatite powders are added in the wood pulp slurry of 35 ° of SR of beating degree, are stirred
And control the quantification of 130g/m of copy paper2, copy paper handles and dries, obtain dry paper, dry paper is placed on coating machine, to changing
Property page be coated processing with coating modification liquid, control each coating thickness be 0.1mm, often coating once place it in 100
Dry 60s at DEG C places it in dry 3min at 125 DEG C, then stands and be cooled to room temperature and can make after being coated with 3 times repeatedly
It is standby to obtain the high-temperature stable release paper.
Example 1,2,3 prepared by the present invention is tested for the property, specific test result is as follows shown in table table 1:
1 performance test table of table
As seen from the above table, the release paper that prepared by the present invention has excellent heat resistance and mechanical strength.
Claims (3)
1. a kind of preparation method of high-temperature stable release paper, it is characterised in that specifically preparation process is:
(1)Peach gum and vacuum freeze drying are taken, grinds and is sieved, obtain peach gum powder and count in parts by weight, weigh respectively
45~50 parts of deionized waters, 6~8 parts of methanol, 3~5 parts of emulsifier op-10s and 10~15 parts of peach gum powder are stirred, homogeneous
Processing, ultrasonic disperse must disperse modification liquid;
(2)It counts in parts by weight again, weighs 45~50 parts of deionized waters, 3~5 parts of zirconium oxychlorides, 6~8 parts of boraxs and vinegar respectively
Acid solution is placed in beaker, is stirred to obtain mixed liquor, adjusts pH to 8.5, and heating water bath obtains matrix liquid;
(3)It counts in parts by weight, weighs 45~50 parts of deionized waters, 3~5 parts of potassium chloride, 1~2 part of formaldehyde, 0.5~1.0 respectively
Part sodium hydroxide, 0.5~1.0 part of hexamethylenetetramine, 10~15 parts of matrix liquid and 10~15 parts of disperse modified liquid are placed in three mouthfuls
In flask, heating water bath, standing is cooled to room temperature to obtain coating modification liquid;
(4)Bleached softwood wood wood pulp is taken to be placed in defibrination process in PFI fiberizers, in mass ratio 1:10, by 200 mesh hydroxy-apatites
Stone powder is added in wood pulp slurry, is stirred and copy paper is handled and dried, obtain dry paper;
(5)Dry paper is placed on coating machine, processing is coated with coating modification liquid to modified page, it is dry after the completion of coating
Dry 2~3min, the high-temperature stable release paper can be prepared by then standing to be cooled to room temperature.
2. a kind of preparation method of high-temperature stable release paper according to claim 1, it is characterised in that:Step(4)Institute
The wood pulp slurry stated is the wood pulp slurry of 35 ° of SR of beating degree.
3. a kind of preparation method of high-temperature stable release paper according to claim 1, it is characterised in that:Step(5)Institute
Each coating thickness is 0.1mm to the coating process stated in order to control, often coating once places it at 95~100 DEG C dry 45~
60s is coated with 3 times repeatedly.
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CN201810301197.0A CN108385446A (en) | 2018-04-04 | 2018-04-04 | A kind of preparation method of high-temperature stable release paper |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112376324A (en) * | 2020-09-24 | 2021-02-19 | 郑州八方包装制品有限公司 | Environment-friendly fruit bag paper and production process thereof |
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CN105613511A (en) * | 2016-03-31 | 2016-06-01 | 杭州宇龙化工有限公司 | Agricultural pesticide composition and application thereof |
CN105968749A (en) * | 2016-03-01 | 2016-09-28 | 安徽猛牛彩印包装有限公司 | Fully-degradable plastic film with excellent thermal stability for color printing packaging and manufacturing method of fully-degradable plastic film |
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2018
- 2018-04-04 CN CN201810301197.0A patent/CN108385446A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102587192A (en) * | 2012-03-14 | 2012-07-18 | 江南大学 | High temperature resistant release paper and preparation method thereof |
US20140083635A1 (en) * | 2012-03-31 | 2014-03-27 | Ningbo Asia Pulp & Paper Co., Ltd. | Process of making antibacterial coating and antibacterial paper with same, and antibacterial paper |
CN105252436A (en) * | 2015-10-09 | 2016-01-20 | 芜湖市鸿坤汽车零部件有限公司 | Cerium and silicon composite oxidization resin grinding wheel and preparation method thereof |
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CN112376324A (en) * | 2020-09-24 | 2021-02-19 | 郑州八方包装制品有限公司 | Environment-friendly fruit bag paper and production process thereof |
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