CN102277793A - Preparation method of release paper with #-shaped groove structure - Google Patents
Preparation method of release paper with #-shaped groove structure Download PDFInfo
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- CN102277793A CN102277793A CN2011102424847A CN201110242484A CN102277793A CN 102277793 A CN102277793 A CN 102277793A CN 2011102424847 A CN2011102424847 A CN 2011102424847A CN 201110242484 A CN201110242484 A CN 201110242484A CN 102277793 A CN102277793 A CN 102277793A
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Abstract
The invention belongs to the field of light industry paper making, and relates to a preparation method of release paper with #-shaped groove structure. The method comprises the following steps: evenly mixing polyethylene and modified polyolefin at the mass ratio of 1:(0.1-0.2); heating to melt; laminating onto body paper subjected to corona pretreatment, wherein the laminating amount is 10-20g/m<2>; cooling to obtain laminating paper; after the laminating paper is rolled by a roller with a convex module, forming grooves on the surface of the laminating paper; evenly coating silicone oil on the surface of the laminating paper at the dry silicone coating amount of 1.0-2.0g/m<2> by a coating machine; then, drying at three stages of temperature of 100-200DEG C; and cooling to obtain the release paper. With the method, the concave part of the release paper is not coated with an anti-sticking agent after the release paper is rolled and the grooves are formed, thereby lowering the use amount of the silicone oil, reducing the use amount of organic solvent, lowering production cost and meeting the requirements of environmental protection and energy saving.
Description
Technical field
The invention belongs to the light industry field of papermaking, relate to a kind of preparation method of separate paper, particularly a kind of separate paper preparation method who has well word groove structure.
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.
Silicone oil generally is colourless or faint yellow, tasteless, nontoxic, not volatile liquid.Silicone oil is water insoluble, methyl alcohol, two pure and mild-ethoxy ethanols, can dissolve each other with benzene, dimethyl ether, methyl ethyl ketone, carbon tetrachloride or kerosene, is dissolved in acetone, dioxanes, ethanol and butanols slightly.It has very little vapour pressure, higher flash-point and burning-point, lower freezing point.Silicone oil has remarkable heat resistance, electrical insulating property, weatherability, hydrophobicity, physiology inertia and less surface tension, has low viscosity-temperature coefficient, contracting property of higher compression in addition.
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; increase 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.The gluing face that pastes simultaneously at adhesive tape all combines with base stock is complete, is difficult to separate, and is extremely inconvenient during use.For this reason, the present invention adopts a kind of separate paper preparation method of well word groove structure.
Summary of the invention
Purpose of the present 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 manufacture method of the present invention may further comprise the steps:
1, base stock is carried out corona pre-treatment
Adopt corona treatment that 100s is handled with the power of 800W in the base stock surface.
2, preparation leaching membrane paper
Is 1 with polyethylene and improved polyalkene by mass ratio: the mixed of 0.1-0.2 is even, and heating and melting drenches on the base stock of film to the corona pre-treatment, and drenching the film amount is 10-20g/m
2, obtain leaching membrane paper after the cooling;
3, indent
After leaching membrane paper rolled through the roller bearing that has a convex module, the surface presented evenly distributed groove, is upright depression in the middle of its shape, and side is intersecting parallels;
4, separate paper is coated with silicon
Adopt coating machine silicone oil to be coated in equably on the intersecting parallels surface of leaching membrane paper groove side; Then dry, obtain separate paper after the cooling in three grades of temperature sections of branch of 100 ℃～200 ℃.
The preparation method of described separate paper, the improved polyalkene described in the step 2 is isocyanate-modified polyethylene or isocyanate-modified 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 again after the fusion is extruded it, maintains the temperature between 300～400 ℃ when drenching film.
The preparation method of described separate paper, the groove size described in the step 3 is 15mm * 15mm, and depth of groove is 0.6～1. 2mm, and the intersecting parallels hem width degree of side is 10～12mm.Thus, the area of leaching membrane paper surface well word side 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 convex module in the step 2, and promptly the conveyer belt chart drive speed is 50～100m/min.
The manufacture method of described separate paper, silicone oil is with 1～2g/m in the step 4
2The dried silicon amount of being coated be coated in equably on the leaching membrane paper convex face.Because intersecting parallels limit, leaching membrane paper surface area only accounts for 1/3～1/2 of leaching membrane paper surface area, has significantly reduced the use amount of silicone oil, has saved production cost.
The manufacture method 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 manufacture method 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 100～140m/min.
The manufacture method of described separate paper, silicone oil is meant methyl-silicone oil, ethyl silicon oil, phenyl silicone oil, Methyl Hydrogen Polysiloxane Fluid, methyl phenyl silicone oil, methyl chloride phenyl silicone oil, methyl ethoxy silicone oil, methyl trifluoro propyl silicone oil, methyl ethylene silicone oil or methyl hydroxy silicon oil in the step 4.
Adopt useful result of the present invention to be: after antiseized letterweight is ground into groove, it is that the concavity part is not coated antitack agent that the groove 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 the local enlarged diagram of separate paper that has groove of the present invention.
Fig. 2 is the roller bearing schematic cross-section that has the convex module.
The specific embodiment
Provide more detailed description of the present invention with embodiment below, helped to understand the present invention.Yet, this should be interpreted as limitation of the scope of the invention.
(1) adopt corona treatment that 100s is handled with the power of 600W in the base stock surface of separate paper.
(2) pressing polyethylene and isocyanate-modified polyethylene, to press 1: 0.1 mixed of mass ratio even, 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 60m/min the roller bearing that has the convex module and is rolled.
After rolling, the leaching membrane paper surface presents groove.The groove size is 15mm * 15mm, and depth of groove is 1. 8mm, and the intersecting parallels hem width degree of side is 12mm.Cool off the band groove leaching membrane paper.
(4) methyl-silicone oil is pressed 1.0g/m
2The dried silicon amount of being coated be coated in equably on the leaching membrane paper face.
(5) leaching membrane paper that will be coated with silicone oil at last divides the section oven dry in baking oven, and the temperature range of head end temperature section is 110-120 ℃, and the temperature of centre portion is 170-180 ℃, and the temperature range of tail end temperature section is 140-130 ℃.Drying rate is 60m/min by the transfer rate of separate paper on conveyer belt.
(1) adopt corona treatment that 100s is handled with the power of 800W in the base stock surface of separate paper.
(2) pressing polyethylene and isocyanate-modified polypropylene, to press 1: 0.2 mixed of mass ratio even, 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 100m/min the roller bearing that has the convex module and is rolled.
After rolling, the leaching membrane paper surface presents groove.The groove size is 15mm * 15mm, and depth of groove is 0.6mm, and the intersecting parallels hem width degree of side is 10mm.Cool off the band groove leaching membrane paper.
(4) Methyl Hydrogen Polysiloxane Fluid is pressed 1.5g/m
2The dried silicon amount of being coated be coated in equably on the leaching membrane paper face.
(5) leaching membrane paper that will be coated with Methyl Hydrogen Polysiloxane Fluid at last divides the section oven dry in baking oven, makes separate paper.The temperature range of head end temperature section is 100-110 ℃, and the temperature of centre portion is 150-160 ℃, and the temperature range of tail end temperature section is 150-140 ℃.Drying rate is 100m/min by the transfer rate of separate paper on conveyer belt.
(1) adopt corona treatment that 100s is handled with the power of 800W in the base stock surface of separate paper.
(2) pressing polyethylene and isocyanate-modified polyethylene, to press 1: 0.15 mixed of mass ratio even, 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 the convex module and is rolled.
After rolling, the leaching membrane paper surface presents groove.The groove size is 15mm * 15mm, and the tongue and groove degree of depth is 1.5mm, and the intersecting parallels hem width degree of side is 11mm.Cool off the band groove leaching membrane paper.
(4) methyl ethylene silicone oil is pressed 2g/m
2The dried silicon amount of being coated be coated in equably on the leaching membrane paper face.
(5) leaching membrane paper that will be coated with methyl ethylene silicone oil at last divides the section oven dry to make separate paper in baking oven.The temperature range of head end temperature section is 130-140 ℃, and the temperature of centre portion is 160-170 ℃, and the temperature range of tail end temperature section is 130-120 ℃.Drying rate is 80m/min by the transfer rate of separate paper on conveyer belt.
Embodiment 4
(1) adopt corona treatment that 100s is handled with the power of 750W in the base stock surface of separate paper.
(2) pressing polyethylene and isocyanate-modified polypropylene, to press 1: 0.15 mixed of mass ratio even, 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 the convex module and is rolled.
After rolling, the leaching membrane paper surface presents groove.The groove size is 15mm * 15mm, and the tongue and groove degree of depth is 1.2mm, and the intersecting parallels hem width degree of side is 12mm.Cool off the band groove leaching membrane paper.
(4) the methyl hydroxy silicon oil is pressed 1.8g/m
2The dried silicon amount of being coated be coated in equably on the leaching membrane paper face.
(5) leaching membrane paper that will be coated with the methyl hydroxy silicon oil at last divides the section oven dry to make separate paper in baking oven.Baking oven is divided into three grades of temperature sections, and the temperature range of head end temperature section is 110-120 ℃, and the temperature of centre portion is 180-190 ℃, and the temperature range of tail end temperature section is 150-140 ℃.Drying rate is about 70m/min by the transfer rate of separate paper on conveyer belt.
Claims (9)
1. the separate paper preparation method of a well word groove structure after base stock is carried out corona pre-treatment, also comprises following feature:
1) preparation leaching membrane paper
Is 1 with polyethylene and improved polyalkene by mass ratio: the mixed of 0.1-0.2 is even, and heating and melting drenches on the base stock of film to the corona pre-treatment, and drenching the film amount is 10-20g/m
2, obtain leaching membrane paper after the cooling;
2) indent
After leaching membrane paper rolled through the roller bearing that has a convex module, the surface presented groove;
3) coating of separate paper
Adopt coating machine silicone oil to be coated in equably on the convex surface of embossing on leaching membrane paper surface; Then dry, obtain separate paper after the cooling in three grades of temperature sections of branch of 100 ℃～200 ℃.
2. the separate paper preparation method of a kind of well word groove structure according to claim 1 is characterized in that described improved polyalkene is isocyanate-modified polyethylene or polypropylene.
3. a kind of well word groove structure according to claim 1 the separate paper preparation method, it is characterized in that described 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 again after the fusion is extruded it, maintains the temperature between 300～400 ℃ when drenching film.
4. the separate paper preparation method of a kind of well word groove structure according to claim 1 is characterized in that described described groove size is 15mm * 15mm, and depth of groove is 0.6～1. 8mm, and the intersecting parallels hem width degree of side is 10～12mm.
5. the separate paper preparation method of a kind of well word groove structure 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 convex module is pressed stone roller, is 50～100m/min.
6. the preparation method of a kind of well word groove structure according to claim 1 is characterized in that described silicone oil, is with 1.0～2.0g/m
2The dried silicon amount of being coated be coated in equably on the leaching membrane paper convex face.
7. the separate paper preparation method of a kind of well word groove structure 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 separate paper preparation method of a kind of well word groove structure 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.
9. the separate paper preparation method of a kind of well word groove structure according to claim 1 is characterized in that silicone oil is meant methyl-silicone oil, ethyl silicon oil, phenyl silicone oil, Methyl Hydrogen Polysiloxane Fluid, methyl phenyl silicone oil, methyl chloride phenyl silicone oil, methyl ethoxy silicone oil, methyl trifluoro propyl silicone oil, methyl ethylene silicone oil or methyl hydroxy silicon oil in the step 4.
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| CN2011102424847A CN102277793A (en) | 2011-08-22 | 2011-08-22 | Preparation method of release paper with #-shaped groove structure |
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| CN2011102424847A CN102277793A (en) | 2011-08-22 | 2011-08-22 | Preparation method of release paper with #-shaped groove structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797195A (en) * | 2012-08-06 | 2012-11-28 | 滁州云林数码影像耗材有限公司 | Method for reducing organosilicon transfer of release paper |
| CN103397563A (en) * | 2013-07-17 | 2013-11-20 | 浙江池河科技有限公司 | Release agent for coating release paper, preparation method of release agent and release paper prepared by utilizing release agent |
| CN105421148A (en) * | 2015-11-24 | 2016-03-23 | 安庆盛华纸质包装有限公司 | Preparation process of polyethylene coated paper |
| 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 |
| CN108790305A (en) * | 2017-05-05 | 2018-11-13 | 松本涂层科技（昆山）有限公司 | A kind of grid paper and its manufacturing process |
| CN109826054A (en) * | 2019-02-19 | 2019-05-31 | 滁州卷烟材料厂 | A kind of cigarette aluminum foil paper and its production technology based on environmental protection |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797195A (en) * | 2012-08-06 | 2012-11-28 | 滁州云林数码影像耗材有限公司 | Method for reducing organosilicon transfer of release paper |
| CN102797195B (en) * | 2012-08-06 | 2014-07-02 | 滁州云林数码影像耗材有限公司 | Method for reducing organosilicon transfer of release paper |
| CN103397563A (en) * | 2013-07-17 | 2013-11-20 | 浙江池河科技有限公司 | Release agent for coating release paper, preparation method of release agent and release paper prepared by utilizing release agent |
| CN103397563B (en) * | 2013-07-17 | 2016-02-10 | 浙江池河科技有限公司 | A kind of release liners being coated with separate paper mould release and preparation method thereof and preparing with this mould release |
| CN105421148A (en) * | 2015-11-24 | 2016-03-23 | 安庆盛华纸质包装有限公司 | Preparation process of polyethylene coated paper |
| 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 |
| CN108790305A (en) * | 2017-05-05 | 2018-11-13 | 松本涂层科技（昆山）有限公司 | A kind of grid paper and its manufacturing process |
| CN109826054A (en) * | 2019-02-19 | 2019-05-31 | 滁州卷烟材料厂 | A kind of cigarette aluminum foil paper and its production technology based on environmental protection |
| CN109826054B (en) * | 2019-02-19 | 2020-12-22 | 滁州卷烟材料厂 | Cigarette aluminum foil paper based on environmental protection and production process thereof |
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Application publication date: 20111214 |