CN103061207B - Preparation method of novel matte anti-static release paper - Google Patents
Preparation method of novel matte anti-static release paper Download PDFInfo
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- CN103061207B CN103061207B CN201210556991.2A CN201210556991A CN103061207B CN 103061207 B CN103061207 B CN 103061207B CN 201210556991 A CN201210556991 A CN 201210556991A CN 103061207 B CN103061207 B CN 103061207B
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Abstract
The invention discloses a preparation method of novel matte anti-static release paper. One surface of release paper body paper is coated with a coating layer through a coating machine, and one surface of a thin film layer is coated with a matte anti-static coating with a thickness of 0.2-2 micrometres. Under the influence of the used ultraviolet rays which are of a wave band of 280-350nm and of an illumination of 1200mW/cm<2>, components, contained in the matte anti-static coating, including 2-6% of silica particles, 20-30% of acrylic polyol with the average molecular weight of 500-2000, 35-45% of resin of polyoxyalkylene polyols with the average molecular weight of 200-2500, 15-20% of polyethylene glycol and 5-10% of 1-1-hydroxy-cyclohexyl phenyl ketone-photoinitiator 184 react to obtain the matte anti-static coating. The thickness of the matte anti-static coating is 4-10 micrometres. The preparation method of the novel matte anti-static release paper not only solves the problems that the binding force between the coating layer and the release agent coating of the release paper is not strong and the release force between the coating layer and the release agent coating of the release paper is not stable, but also promotes the anti-static performance of the surface of the film, and meanwhile promotes the anti-scraping performance.
Description
Technical field
The present invention relates to a kind of preparation method of novel matte anti-static release paper, the preparation method of a kind of novel matte anti-static release paper that particularly a kind of adhesion strength is high, peeling force is stable.
Background technology
Release liners, also known as barrier paper, separate paper, is mainly used in being covered in the adhesive layer of surface for the protection of tape surface of adhesive tape.Existing release liners is generally the surperficial film one deck leaching membrane layer (material of employing mainly contains polyethylene) at release liners ground paper layer, is then coated with one deck mould release coating (material of employing is mainly silicone oil) on the surface of leaching membrane layer and obtains release liners.But because leaching membrane layer flatness is high, poor adhesive force between mould release coating and leaching membrane layer, when release liners attaches with the pad pasting being coated with trowel adhesive, the mould release coating in release liners is easily caused to be taken away by the adhesive that adhesion is larger, thus form in the local surfaces of pad pasting the mould release coating area being difficult to clean out, destroy pure, the uniformity of pad pasting entirety.And due to production process electrostatic excessive, causes the local out-of-flatness of release coating layer, not only affect product peeling force stability, and easily generation electrostatic spark causes fire.
Summary of the invention
The object of the invention is to provide a kind of preparation method of novel matte anti-static release paper, the preparation method of this novel matte anti-static release paper had both solved the leaching membrane layer of release liners and mould release coating coating binding force is not high, peeling force is unstable, turn improve film surface anti-static performance, and also improve scratch resistance performance simultaneously.
For achieving the above object, the technical solution used in the present invention is: a kind of preparation method of novel matte anti-static release paper, forms primarily of the following step:
Step one, surface film machine film one leaching membrane layer at a release liners body paper, after the cooling of this leaching membrane layer, obtain substrate layer at another surface coating one adhesive layer of described release liners body paper;
Step 2, be the cloudy surface anti-static coating of 0.2 ~ 2 micron in surface coating a layer thickness for a thin layer, this cloudy surface anti-static coating is made up of the component of following masses percentage composition:
Silica granule 2 ~ 6%,
Mean molecule quantity is acrylic polyol 20 ~ 30 % of 500 ~ 2000,
Mean molecule quantity is the resin 35 ~ 45% of the polyoxyalkylene series polyalcohol of 200 ~ 2500
Polyethylene glycol 15 ~ 20%,
1-hydroxycyclohexyl phenyl ketone-light trigger 184 5 ~ 10%;
The particle diameter of described silica granule is that in the size distribution measured by laser diffraction and scattering method, particle diameter has peak value respectively and average grain diameter is 4um or following in the scope of 0.1 ~ 2um and 1.5 ~ 5um;
Step 3, employing ultra-violet bands are 280nm ~ 350nm, and illumination is 1200mW/cm
2, described cloudy surface anti-static coating is irradiated, makes described component under the effect of 1-hydroxycyclohexyl phenyl ketone-light trigger 184, carry out polymerisation and obtain cloudy surface anti-static coating;
Step 4, apply one deck mould release coat layer on the surface of described cloudy surface anti-static coating and obtain cloudy surface antistatic release layer;
Step 5, to be fitted with adhesive layer of substrate layer in another surface of described thin layer, thus obtain described cloudy surface anti-static release paper.
In technique scheme, further improved plan is as follows:
1, in such scheme, the material of described leaching membrane layer is polyethylene terephthalate, polypropylene, polyethylene or polyvinyl chloride.
2, in such scheme, described thin layer is pet film layer, layer of polypropylene foil, film layer, polyvinyl chloride layer or cast polypropylene film layer.
Because technique scheme is used, the present invention compared with prior art has following advantages and effect:
1, novel matte anti-static release paper of the present invention, 20 ~ 30 % mean molecule quantities be 500 ~ 2000 acrylic polyol and 30 ~ 40 % mean molecule quantities be the polyurethane resin of resin polymerization of the polyoxyalkylene series polyalcohol of 200 ~ 2500, mean molecule quantity be 500 ~ 2000 acrylic polyol and mean molecule quantity be that chain in the resin of the polyoxyalkylene series polyalcohol of 200 ~ 2500 improves film surface anti-static performance, and also improve scratch resistance performance simultaneously; Its polyalcohol acrylate monomer has the mean molecule quantity of 500 ~ 2000, if molecular weight is less than 500, the ABRASION RESISTANCE of film is tending towards reducing, if mean molecule quantity is more than 2000, during film-forming, applicability is deteriorated.If polyalcohol acrylate monomer is in particular ethylene glycol, consider water absorbing capacity, the present invention select mean molecule quantity be 200 ~ 1000 polyethylene glycol, make use of the ability of its superior absorption Bound moisture, further increase anti-static effect.Have the ability of the water of absorption Bound moisture form superior especially due to this acrylic polyol monomer, have anti-static effect, polyalcohol acrylate monomer all can use this monomer.
2, the present invention is first to the surface coating cloudy surface anti-static coating of thin layer, by the surface after composition and engineering process, there is some even concaveconvex structures and anti-static effect through cloudy surface anti-static coating, then in this surperficial silicon-coating mould release coating coating, the bottom surface of silicon mould release coating coating infiltrates the notch place on described cloudy surface anti-static coating surface in the liquid state, silicon mould release coating coating is fixedly linked by notch place and cloudy surface anti-static coating after solidification, therefore, adhesion more firmly, reliably.And due to antistatic process, can eliminate electrostatic to the unstable impact brought of silicone oil coating, release peeling force can be very stable, also avoids the generation of production process electrostatic spark.
3, adopt light trigger 1-hydroxycyclohexyl phenyl ketone to cause in the present invention, mainly consider that it is under wave band is 320-400nm UV-irradiation, can instantaneous solidification film forming, can deep cure be reached, there is good planarization and intensity.Described light trigger is 1-hydroxycyclohexyl phenyl ketone-light trigger 184, is a kind of ultraviolet initiator of efficient non yellowing, and for causing the UV polymerisation of unsaturated prepolymerization system, its mass content is 5 ~ 10 %.
4, novel matte anti-static release paper of the present invention, to be particle diameter be described silica granule in the size distribution measured by laser diffraction and scattering method that particle diameter has peak value respectively in the scope of 0.1 ~ 2um and 1.5 ~ 5um and average grain diameter is 4um or following silica granule, both substantially increase atomized surface effect, in turn ensure that solidification effect.
5, the power of medium ultraviolet light of the present invention adopts 1200mW/cm
2if mainly power is lower than 1200mW/cm
2, film not exclusively solidifies, and ABRASION RESISTANCE reduces; If if power is higher than 1200mW/cm
2, affect film flatness, applicability declines.Employing ultra-violet bands is 320 ~ 400nm, and illumination is 1200mW/cm
2described cloudy surface coating agent is irradiated, make described component carry out polymerisation under the effect of the specific 1-hydroxycyclohexyl phenyl ketone as light trigger of the present invention and obtain cloudy surface coating, thickness is 4 ~ 10um, there is anti-static effect, then apply one deck mould release coating on the surface of described cloudy surface coating and obtain cloudy surface release layer.
Accompanying drawing explanation
Accompanying drawing 1 is novel matte anti-static release paper structural representation of the present invention.
In above accompanying drawing: 1, release liners body paper; 2, leaching membrane layer; 3, adhesive layer; 4, thin layer; 5, cloudy surface anti-static coating; 6, mould release coating.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1 ~ 5: a kind of preparation method of novel matte anti-static release paper, forms primarily of the following step:
Step one, surface film machine film one leaching membrane layer 2 at a release liners body paper 1, after the cooling of this leaching membrane layer 2, obtain substrate layer at another surface coating one adhesive layer 3 of described release liners body paper 1;
Step 2, be the cloudy surface anti-static coating 5 of 0.2 ~ 2 micron in surface coating a layer thickness for a thin layer 4, this cloudy surface anti-static coating 5 is made up of the component of following masses percentage composition:
Silica granule 2 ~ 6%,
Mean molecule quantity is acrylic polyol 20 ~ 30 % of 500 ~ 2000,
Mean molecule quantity is resin 35 ~ 45 % of the polyoxyalkylene series polyalcohol of 200 ~ 2500,
Polyethylene glycol 15 ~ 20%,
1-hydroxycyclohexyl phenyl ketone-light trigger 184 5 ~ 10%;
The particle diameter of described silica granule is that in the size distribution measured by laser diffraction and scattering method, particle diameter has peak value respectively and average grain diameter is 4um or following in the scope of 0.1 ~ 2um and 1.5 ~ 5um;
Step 3, employing ultra-violet bands are 280nm ~ 350nm, and illumination is 1200mW/cm
2, described cloudy surface anti-static coating is irradiated, makes described component under the effect of 1-hydroxycyclohexyl phenyl ketone-light trigger 184, carry out polymerisation and obtain cloudy surface anti-static coating 5;
Step 4, apply one deck mould release coat layer 6 on the surface of described cloudy surface anti-static coating 5 and obtain cloudy surface antistatic release layer;
Step 5, to be fitted with adhesive layer of substrate layer in another surface of described thin layer, thus obtain described cloudy surface anti-static release paper.
The material of described leaching membrane layer is polyethylene terephthalate, polypropylene, polyethylene or polyvinyl chloride.
Described thin layer is pet film layer, layer of polypropylene foil, film layer, polyvinyl chloride layer or cast polypropylene film layer.
Obtained cloudy-surface release paper is see shown in accompanying drawing 1, stacked gradually by leaching membrane layer 2, release liners body paper 1, adhesive layer 3, thin layer 4, cloudy surface anti-static coating 5 and mould release coating 6 six layers and form, the surface roughness on the surface that described cloudy surface anti-static coating 5 contacts with mould release coating 6 is 2.821um ~ 3.324um.Testing standard: ISO4287:1998.Roughness tester: the TR200 Manual roughness devices of Beijing epoch peak Science and Technology Ltd. production.
Described cloudy surface anti-static coating 5 is polyester cloudy surface coating.First be the leaching membrane layer 2 of PE to the one side film material of release liners body paper 1, another side is coated with one deck adhesive layer 3, to fit on adhesive layer 3 again thin film layer 4, then being coated with cloudy surface anti-static coating 5(material on the surface of thin layer 4 is polyester), surface has some even concaveconvex structures after treatment, then in the release mould release coating 6 of this surperficial silicon-coating, the bottom surface of silicon release mould release coating 6 infiltrates the notch place on described cloudy surface anti-static coating 5 surface in the liquid state, the release mould release coating 6 of silicon is fixedly linked by notch and cloudy surface anti-static coating 5 after solidification, therefore, adhesion is more firm, reliably.But also by regulating the mist degree (i.e. roughness) of cloudy surface anti-static coating 5, can freely adjust the size of peeling force between the release mould release coating 6 of silicon and release liners body paper.
1, method is with embodiment two.
2, the related materials of embodiment two ~ five use is as follows:
(1) material of leaching membrane layer: embodiment three, polyvinyl chloride; Embodiment four, polyethylene terephthalate; Embodiment five, polyethylene; Embodiment six, polypropylene.
(2) thin layer: embodiment three, polypropylene film; Embodiment four, polyethylene film; Embodiment five, cast polypropylene film; Embodiment six pet film.
3, the formula of cloudy surface coating agent is in table 1.
Table 1
Performance indications are as shown in table 2:
Table two
(1), ocular estimate: evaluated by the existence of visual observation to outward appearance, transparency and crackle.No problem film is rated as satisfactory (O), and problematic film is rated as unsatisfactory (X);
(2), private seal by release aspect private seal 10 times, be qualified without delustring, delustring is defective;
(3), hundred lattice test cross-cut testers tests without coming off for qualified products, come off for substandard product;
(4) (1 kilogram back and forth by adhesive tape crimping, to peel off voltage roller, speed 0.3m/min) in release face, thereafter, (10m/min) is peeled off by quick-moving speed, the maximum that adhesive tape glues the stripping electrostatic pressure of release face is read with electrostatic field tester (model: SIMCO FMX-003), it is qualified products that electrostatic pressure is less than 0.3KV, and it is substandard product that electrostatic pressure is greater than 0.3KV;
(5), surface resistance value sheet resistance tester G two, face parallel copper electrodes is placed in the arbitrary place of sample surfaces, presses black A key, waits about 30 seconds, and LED shows test place resistance, and ambient temperature and humidity, notes down.Display surface resistance <1.0E+10 Ω/sq, (65%RH, 23 DEG C) are for qualified; Display surface resistance > 1.0E+10 Ω/sq, (65%RH, 23 DEG C) are defective.
(6) wearability test is at the 500g/cm of steel wire face (#0000)
2the pressure that adds rub after 30 times to hard conating face, to not having scar to be denoted as O, be denoted as X to there being scar.
(7) pencil hardness test evaluates the pencil hardness of hard coating film according to GB/T 6739-2006.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (1)
1. a preparation method for cloudy surface anti-static release paper, is characterized in that: form primarily of the following step:
Step one, a release liners body paper (1) one surface with film machine film one leaching membrane layer (2), this leaching membrane layer (2) cooling after, described release liners body paper (1) another surface coating one adhesive layer (3) obtain substrate layer;
Step 2, be the cloudy surface anti-static coating (5) of 0.2 ~ 2 micron in surface coating a layer thickness for a thin layer (4), this cloudy surface anti-static coating (5) is made up of the component of following masses percentage composition:
Silica granule 2 ~ 6%,
Mean molecule quantity is acrylic polyol 20 ~ 30 % of 500 ~ 2000,
Mean molecule quantity is resin 35 ~ 45 % of the polyoxyalkylene series polyalcohol of 200 ~ 2500,
Polyethylene glycol 15 ~ 20%,
1-hydroxycyclohexyl phenyl ketone-light trigger 184 5 ~ 10%;
The particle diameter of described silica granule is that in the size distribution measured by laser diffraction and scattering method, particle diameter has peak value respectively and average grain diameter is 4 μm or following in the scope of 0.1 ~ 2 μm and 1.5 ~ 5 μm;
Step 3, employing ultra-violet bands are 280nm ~ 350nm, and illumination is 1200mW/cm
2, described cloudy surface anti-static coating is irradiated, makes described component under the effect of 1-hydroxycyclohexyl phenyl ketone-light trigger 184, carry out polymerisation and obtain cloudy surface anti-static coating (5);
Step 4, apply one deck mould release coating (6) on the surface of described cloudy surface anti-static coating (5) and obtain cloudy surface antistatic release layer;
Step 5, to be fitted with adhesive layer of substrate layer in another surface of described thin layer, thus obtain described cloudy surface anti-static release paper.
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| CN103802419A (en) * | 2014-02-25 | 2014-05-21 | 苏州安洁科技股份有限公司 | Composite release material with superstrong tensile strength |
| CN104988805A (en) * | 2015-06-08 | 2015-10-21 | 东莞市尚鑫纸业有限公司 | Release paper applied to electric field and manufacturing technology thereof |
| AU2018329205B2 (en) * | 2017-09-11 | 2023-03-02 | Skinprotect Corporation Sdn Bhd | Synthetic elastomeric article and methods for producing thereof |
| TWI717208B (en) | 2020-02-07 | 2021-01-21 | 南亞塑膠工業股份有限公司 | Release liner and method for producing the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102330383A (en) * | 2011-07-12 | 2012-01-25 | 苏州斯迪克电子胶粘材料有限公司 | Fog face release paper and preparation method thereof |
| CN102350846A (en) * | 2011-07-12 | 2012-02-15 | 苏州斯迪克电子胶粘材料有限公司 | Preparation method of novel cloudy-surface release paper |
| CN102619133A (en) * | 2012-04-13 | 2012-08-01 | 苏州斯迪克新材料科技股份有限公司 | Producing method of matt release paper |
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| JPH09137399A (en) * | 1995-11-08 | 1997-05-27 | Oji Paper Co Ltd | Production of release paper |
| JP4899535B2 (en) * | 2005-08-17 | 2012-03-21 | セントラル硝子株式会社 | Antifogging film and antifogging article |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102330383A (en) * | 2011-07-12 | 2012-01-25 | 苏州斯迪克电子胶粘材料有限公司 | Fog face release paper and preparation method thereof |
| CN102350846A (en) * | 2011-07-12 | 2012-02-15 | 苏州斯迪克电子胶粘材料有限公司 | Preparation method of novel cloudy-surface release paper |
| CN102619133A (en) * | 2012-04-13 | 2012-08-01 | 苏州斯迪克新材料科技股份有限公司 | Producing method of matt release paper |
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Address after: 223900 Sihong Province Economic Development Zone, Suqian, West Ocean West Road, No. 6 Patentee after: Jiangsu Stick new materials Polytron Technologies Inc Address before: 215400 Taicang, Suzhou, Taicang Economic Development Zone, Qingdao West Road, No. 11, No. Patentee before: Suzhou Sidike New Material Science & Technology Co., Ltd. |