CN102359031A - Anti-sticking paper preparation method with low consumption of silicone oil - Google Patents
Anti-sticking paper preparation method with low consumption of silicone oil Download PDFInfo
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- CN102359031A CN102359031A CN2011102406497A CN201110240649A CN102359031A CN 102359031 A CN102359031 A CN 102359031A CN 2011102406497 A CN2011102406497 A CN 2011102406497A CN 201110240649 A CN201110240649 A CN 201110240649A CN 102359031 A CN102359031 A CN 102359031A
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Abstract
The invention belongs to the field of light industry papermaking, and relates to an anti-sticking paper preparation method. The method comprises: uniformly mixing polyethylene and modified polyolefin according to a mass ratio of 1:0.1-0.5; heating and melting; then laminating the molten material on corona-pretreated base paper, wherein the laminating amount is 5-20 g/m<2>; cooling to obtain the laminated paper; carrying out rolling for the laminated paper by a roller with concave-convex-shaped embossing patterns, wherein the surface of the laminated paper shows the concave-convex-shaped embossing grooves; adopting a coater to uniformly coat the silicone oil on the convex surfaces of the embossing patterns on the laminated paper surface, wherein the coating amount of the silicone oil is 0.5-1.0 g/m<2>; drying at a temperature of 100-200 DEG C in three temperature stages; cooling to obtain the anti-sticking paper. With adopting the method of the present invention, the anti-sticking paper is rolled to form the strip concave-convex-shaped embossing patterns, the concave parts of the anti-sticking paper are not coated with the anti-sticking agent, such that the use amount of the silicone oil is reduced, the use amount of the organic solvent is reduced, the production cost is reduced, and the requirements of environmental protection and energy saving are achieved.
Description
Technical field
The invention belongs to the light industry field of papermaking, relate to a kind of preparation method of separate paper, the low consumed separate paper preparation method of particularly a kind of silicone oil.
Background technology
Separate paper mainly pastes the adhesive layer that is used for the protective tapes surface on the gluing surface of adhesive tape.Separate paper is made up of base stock, separation layer and adherent layer; Preparation technology is drenched film one deck isolating agent (isolating agent of employing mainly contains polyethylene) on the whole surface of base stock, and then obtains separate paper at surface coated one deck antitack agent (antitack agent of employing is mainly silicone oil) of leaching membrane layer.
In the production technology of existing separate paper; Owing to all be coated with the silicone oil that one deck has antiseized effect on the whole surface of base stock, and the expensive raw material price of silicone oil increases production cost; And silicone oil adopts organic solvent diluting mostly; These organic solvents are volatile, be difficult to recycle fully, and production process is not only toxic, also is unfavorable for environmental protection.For this reason, the present invention adopts the separate paper preparation method that a kind of low silicone oil consumes.
Summary of the invention
The object of the invention mainly is in order to solve the problem that existing separate paper silicon oil dosage is big, manufacturing cost is high, to provide a kind of new production technology to prepare separate paper.
Separate paper manufacturing approach of the present invention may further comprise the steps:
1, base stock is carried out corona pre-treatment
Adopt corona treatment that 180s is handled with the power of 370-525W in the base stock surface.
2, preparation leaching membrane paper
Is 1 with polyethylene and improved polyalkene by mass ratio: the mixed of 0.1-0.5 is even, heating and melting, and on the base stock after pouring film to the corona pre-treatment, drenching the film amount is 5-20g/m
2, obtain leaching membrane paper after the cooling;
3, embossing
After leaching membrane paper rolled through the roller bearing that has a concavo-convex embossing, the surface demonstrated concavo-convex embossing groove;
4, be coated with silicon
Adopt coating machine silicone oil to be coated in equably on the convex surface of the surperficial embossing of leaching membrane paper; Then dry, obtain separate paper after the cooling in three grades of temperature sections of branch of 100 ℃～200 ℃.
The preparation method of said separate paper, the improved polyalkene described in the step 2 is acrylic acid modified polyethylene or polypropylene.
The preparation method of described separate paper; Polyethylene described in the step 2 and modified polyolefin blend; Be that 150～250 ℃ of heating are built bridge through excess temperature earlier; And then temperature is increased to 280～400 ℃, the pressure that applies 10Mpa～20Mpa after the fusion is again extruded it, maintains the temperature between 300～400 ℃ when drenching film.
The preparation method of described separate paper, the concavo-convex embossing of the flute profile described in the step 3, the wide of convex face is 10mm, and the tongue and groove height is 0.6～1. 8mm, and the groove floor width is 10～13mm.Thus, the convex face area of the concavo-convex embossing of leaching membrane paper surface flute profile only accounts for 1/3～1/2 of leaching membrane paper surface area.
The preparation method of described separate paper, leaching membrane paper is pressed stone roller speed through the roller bearing of concavo-convex embossing in the step 2, and promptly the conveyer belt chart drive speed is 50～100m/min.
The manufacturing approach of described separate paper, silicone oil is with 0.5～1.0g/m in the step 4
2Dried silicon consumption be coated in equably on the leaching membrane paper convex face.Because the convex face area of leaching membrane paper concave-convex surface shape embossing only accounts for 1/3～1/2 of leaching membrane paper surface area, has significantly reduced the use amount of silicone oil, has practiced thrift production cost.
The manufacturing approach of described separate paper, the oven dry described in the step 4 is for dividing three grades of temperature sections, and the temperature range of its head end temperature section is 100～150 ℃, and the temperature range of medium temperature section is 150～200 ℃, and the temperature range of tail end temperature section is 150～100 ℃.
The manufacturing approach of described separate paper when being coated with the leaching membrane paper oven dry of silicone oil in the step 4, adopts the conveyer belt mode, and leaching membrane paper is sent into drying baker, and the conveyer belt chart drive speed is 50～100m/min.
Adopt useful result of the present invention to be: after antiseized letterweight stone roller is in strip concavo-convex embossing; It is that the concavity part is not coated antitack agent that the concavity part of separate paper does not contact with antitack agent; Thereby reduced the use amount of silicone oil; Reduced consumption of organic solvent, and the release liners anti-adhesion performance of producing is good; This technology has not only reduced production cost, and meets the environmental protection and energy saving requirement, has the great development potentiality and the market demand.
Description of drawings
Fig. 1 is a flow sheet equipment sketch map of the present invention.
Fig. 2 is the roller bearing schematic cross-section that has concavo-convex embossing.
The specific embodiment
Provide the present invention with embodiment below and explained in more detail, helped to understand the present invention.Yet, should this be interpreted as limitation of the scope of the invention.
(1) adopt corona treatment that 180s is handled with the power of 400W in the base stock surface of separate paper.
(2) it is even by 1: 0.1 mixed to press polyethylene and acrylic acid modified polyethylene; Be that 180 ℃ of heating are built bridge through excess temperature earlier; And then temperature is increased to 280 ℃, the pressure that applies 10Mpa after the fusion is again extruded it, maintains the temperature at about 320 ℃ when drenching film.Obtain leaching membrane paper after drenching film, drenching the film amount is 10g/m
2
(3) conveyer belt is sent into the transfer rate of leaching membrane paper with 100m/min the roller bearing that has concavo-convex embossing and is rolled.
After rolling, the leaching membrane paper surface demonstrates concavo-convex embossing groove.Concavo-convex embossing groove, the wide of convex face is 10mm, and the tongue and groove height is 1.8mm, and the groove floor width is 13mm.Cool off with the leaching membrane paper of concavo-convex groove line.
(4) silicone oil is pressed 0.5g/m
2The dried silicon amount of being coated be coated in equably on the leaching membrane paper convex face.
The leaching membrane paper that (5) will be coated with silicone oil is at last processed separate paper in 100 ℃～200 ℃ branch section oven dry.Baking oven is divided into three grades of temperature sections, and the temperature range of head end temperature section is 100-150 ℃, and the temperature of centre portion is 150-200 ℃, and the temperature range of tail end temperature section is 150-100 ℃.Drying rate is about 60m/min by the transfer rate of separate paper on conveyer belt.
Embodiment 2
(1) adopt corona treatment that 180s is handled with the power of 500W in the base stock surface of separate paper.
(2) it is even by 1: 0.5 mixed to press polyethylene and acrylic acid modified polypropylene; Be that 250 ℃ of heating are built bridge through excess temperature earlier; And then temperature is increased to 300 ℃, the pressure that applies 20Mpa after the fusion is again extruded it, maintains the temperature at about 380 ℃ when drenching film.Obtain leaching membrane paper after drenching film, drenching the film amount is 6g/m
2
(3) conveyer belt is sent into the transfer rate of leaching membrane paper with 90m/min the roller bearing that has concavo-convex embossing and is rolled.
After rolling, the leaching membrane paper surface demonstrates concavo-convex embossing groove.Concavo-convex embossing groove, the wide of convex face is 10mm, and the tongue and groove height is 0.6mm, and the groove floor width is 10mm.Cool off with the leaching membrane paper of concavo-convex groove line.
(4) silicone oil is pressed 0.5g/m
2The dried silicon amount of being coated be coated in equably on the leaching membrane paper convex face.
The leaching membrane paper that (5) will be coated with silicone oil is at last processed separate paper in 100 ℃～200 ℃ branch section oven dry.Baking oven is divided into three grades of temperature sections, and the temperature range of head end temperature section is 100-150 ℃, and the temperature of centre portion is 150-200 ℃, and the temperature range of tail end temperature section is 150-100 ℃.Drying rate is about 75m/min by the transfer rate of separate paper on conveyer belt.
(1) adopt corona treatment that 180s is handled with the power of 370W in the base stock surface of separate paper.
(2) it is even by 1: 0.3 mixed to press polyethylene and acrylic acid modified polyethylene; Be that 200 ℃ of heating are built bridge through excess temperature earlier; And then temperature is increased to 350 ℃, the pressure that applies 16Mpa after the fusion is again extruded it, maintains the temperature at about 330 ℃ when drenching film.Obtain leaching membrane paper after drenching film.Drenching the film amount is 20g/m
2
(3) conveyer belt is sent into the transfer rate of leaching membrane paper with 80m/min the roller bearing that has concavo-convex embossing and is rolled.
After rolling, the leaching membrane paper surface demonstrates concavo-convex embossing groove.Concavo-convex embossing groove, the wide of convex face is 10mm, and the tongue and groove height is 1.5mm, and the groove floor width is 12mm.Cool off with the leaching membrane paper of concavo-convex groove line.
(4) silicone oil is pressed 0.9g/m
2The dried silicon amount of being coated be coated in equably on the leaching membrane paper convex face.
The leaching membrane paper that (5) will be coated with silicone oil is at last processed separate paper in 100 ℃～200 ℃ branch section oven dry.Baking oven is divided into three grades of temperature sections, and the temperature range of head end temperature section is 100-150 ℃, and the temperature of centre portion is 150-200 ℃, and the temperature range of tail end temperature section is 150-100 ℃.Drying rate is about 80m/min by the transfer rate of separate paper on conveyer belt.
(1) adopt corona treatment that 180s is handled with the power of 450W in the base stock surface of separate paper.
(2) it is even by 1: 0.4 mixed to press polyethylene and acrylic acid modified polypropylene; Be that 220 ℃ of heating are built bridge through excess temperature earlier; And then temperature is increased to 390 ℃, the pressure that applies 13Mpa after the fusion is again extruded it, maintains the temperature at about 360 ℃ when drenching film.Obtain leaching membrane paper after drenching film, drenching the film amount is 11g/m
2
(3) conveyer belt is sent into the transfer rate of leaching membrane paper with 70m/min the roller bearing that has concavo-convex embossing and is rolled.
After rolling, the leaching membrane paper surface demonstrates concavo-convex embossing groove.Concavo-convex embossing groove, the wide of convex face is 10mm, and the tongue and groove height is 0.9mm, and the groove floor width is 10mm.Cool off with the leaching membrane paper of concavo-convex groove line.
(4) silicone oil is pressed 0.7g/m
2The dried silicon amount of being coated be coated in equably on the leaching membrane paper convex face.
The leaching membrane paper that (5) will be coated with silicone oil is at last processed separate paper in 110 ℃～200 ℃ branch section oven dry.Baking oven is divided into three grades of temperature sections, and the temperature range of head end temperature section is 110-150 ℃, and the temperature of centre portion is 150-200 ℃, and the temperature range of tail end temperature section is 150-110 ℃.Drying rate is 50m/min by the transfer rate of separate paper on conveyer belt.
Claims (8)
1. low consumed separate paper preparation method of silicone oil after base stock is carried out corona pre-treatment, also comprises following characteristic:
1) preparation leaching membrane paper
Is 1 with polyethylene and improved polyalkene by mass ratio: the mixed of 0.1-0.5 is even, heating and melting, and on the base stock after pouring film to the corona pre-treatment, drenching the film amount is 5-20g/m
2, obtain leaching membrane paper after the cooling;
2) the concavity embossing of leaching membrane paper
After leaching membrane paper rolled through the roller bearing that has a concavo-convex embossing, the surface demonstrated concavo-convex embossing groove;
3) coating of separate paper
Adopt coating machine silicone oil to be coated in equably on the convex surface of the surperficial embossing of leaching membrane paper; Then dry, obtain separate paper after the cooling in three grades of temperature sections of branch of 100 ℃～200 ℃.
2. the low consumed separate paper preparation method of a kind of silicone oil according to claim 1 is characterized in that described improved polyalkene is acrylic acid modified polyethylene or polypropylene.
3. the low consumed separate paper preparation method of a kind of silicone oil according to claim 1; It is characterized in that said polyethylene and modified polyolefin blend; Be that 150～250 ℃ of heating are built bridge through excess temperature earlier; And then temperature is increased to 280～400 ℃, the pressure that applies 10Mpa～20Mpa after the fusion is again extruded it, maintains the temperature between 300～400 ℃ when drenching film.
4. the low consumed separate paper preparation method of a kind of silicone oil according to claim 1 is characterized in that the concavo-convex embossing of said described flute profile, and the wide of convex face is 10mm, and the tongue and groove height is 0.6～1.8mm, and the groove floor width is 10～13mm.
5. the low consumed separate paper preparation method of a kind of silicone oil according to claim 1 is characterized in that described roller bearing pressure stone roller is meant leaching membrane paper conveyer belt chart drive speed when the roller bearing of concavo-convex embossing is pressed stone roller, is 50～100m/min.
6. the low consumed separate paper preparation method of a kind of silicone oil according to claim 1 is characterized in that described silicone oil, is with 0.5～1.0g/m
2The dried silicon amount of being coated be coated in equably on the leaching membrane paper convex face.
7. the low consumed separate paper preparation method of a kind of silicone oil according to claim 1; It is characterized in that described three grades of temperature sections; The temperature range of its head end temperature section is 100～150 ℃; The temperature range of medium temperature section is 150～200 ℃, and the temperature range of tail end temperature section is 150～100 ℃.
8. the low consumed separate paper preparation method of a kind of silicone oil according to claim 1 when it is characterized in that being coated with the leaching membrane paper oven dry of silicone oil, adopts the conveyer belt mode, and leaching membrane paper is sent into drying baker, and the conveyer belt chart drive speed is 50～100m/min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102406497A CN102359031A (en) | 2011-08-22 | 2011-08-22 | Anti-sticking paper preparation method with low consumption of silicone oil |
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| CN2011102406497A CN102359031A (en) | 2011-08-22 | 2011-08-22 | Anti-sticking paper preparation method with low consumption of silicone oil |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818134A (en) * | 2014-02-28 | 2014-05-28 | 朱锦佐 | Process for making anti-counterfeiting printed release paper |
| CN104108174A (en) * | 2013-04-22 | 2014-10-22 | 上海优珀斯材料科技有限公司 | Processing technology of wrinkle-type polyolefin antistick membrane and embossing device |
| CN104309137A (en) * | 2014-08-25 | 2015-01-28 | 淄博广龙塑料工贸有限公司 | Manufacture method for high-molecular pattern release film |
| CN106192568A (en) * | 2016-08-31 | 2016-12-07 | 广东联枫新材料科技有限公司 | A kind of coating machine produces one side leaching membrane paper technique |
| CN106280731A (en) * | 2015-04-27 | 2017-01-04 | 苏州斯迪克新材料科技股份有限公司 | Pressure sensitive adhesive tape silicon oil membrane |
| CN114481684A (en) * | 2022-01-24 | 2022-05-13 | 江阴西联复合材料有限公司 | Solvent-free silicon oil double-sided release paper and preparation process thereof |
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Patent Citations (3)
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| CN2520304Y (en) * | 2001-11-26 | 2002-11-13 | 穆范飞 | Hot sealed antiseizing mould release paper |
| CN2653623Y (en) * | 2003-10-29 | 2004-11-03 | 上海众睿实业有限公司 | Label separable paper |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108174A (en) * | 2013-04-22 | 2014-10-22 | 上海优珀斯材料科技有限公司 | Processing technology of wrinkle-type polyolefin antistick membrane and embossing device |
| CN104108174B (en) * | 2013-04-22 | 2017-12-01 | 上海优珀斯材料科技有限公司 | Process the processing technology and its emebosser of the polyolefin antiadhesion barrier of corrugated |
| CN103818134A (en) * | 2014-02-28 | 2014-05-28 | 朱锦佐 | Process for making anti-counterfeiting printed release paper |
| CN104309137A (en) * | 2014-08-25 | 2015-01-28 | 淄博广龙塑料工贸有限公司 | Manufacture method for high-molecular pattern release film |
| CN106280731A (en) * | 2015-04-27 | 2017-01-04 | 苏州斯迪克新材料科技股份有限公司 | Pressure sensitive adhesive tape silicon oil membrane |
| CN106192568A (en) * | 2016-08-31 | 2016-12-07 | 广东联枫新材料科技有限公司 | A kind of coating machine produces one side leaching membrane paper technique |
| CN114481684A (en) * | 2022-01-24 | 2022-05-13 | 江阴西联复合材料有限公司 | Solvent-free silicon oil double-sided release paper and preparation process thereof |
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Application publication date: 20120222 |