CN105837844A - Antistatic release film for protection adhesive tape - Google Patents

Antistatic release film for protection adhesive tape Download PDF

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Publication number
CN105837844A
CN105837844A CN201610084700.2A CN201610084700A CN105837844A CN 105837844 A CN105837844 A CN 105837844A CN 201610084700 A CN201610084700 A CN 201610084700A CN 105837844 A CN105837844 A CN 105837844A
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CN
China
Prior art keywords
coating
static
layer
release film
cloudy surface
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
Application number
CN201610084700.2A
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Chinese (zh)
Inventor
金闯
张庆杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sidike New Materials Jiangsu Co Ltd
Original Assignee
Sidike New Materials Jiangsu Co Ltd
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Publication date
Application filed by Sidike New Materials Jiangsu Co Ltd filed Critical Sidike New Materials Jiangsu Co Ltd
Priority to CN201610084700.2A priority Critical patent/CN105837844A/en
Publication of CN105837844A publication Critical patent/CN105837844A/en
Pending legal-status Critical Current

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    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/0427—Coating with only one layer of a composition containing a polymer binder
    • 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
    • C—CHEMISTRY; METALLURGY
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    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
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    • C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
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    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
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    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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Abstract

The invention discloses an antistatic release film for a protection adhesive tape. The antistatic release film comprises a raw release paper and a film layer. The surface of a matte antistatic coating contacting with a silicone oil layer is provided with several concave and convex points. The matte antistatic coating comprises 5% of silica particles, 27% of acrylic polyol with the average molecular weight of 500-2000, 39% of polyoxyalkylene polyol with the average molecular weight of 200-2500, 18% of polyethylene glycol, 6% of dimethylcydosiloxane and 5% of 1-hydroxycyclohexylphenylketone photoinitiator 184. The matte antistatic coating utilizes a UV wave band of 280-350nm. The antistatic release film can eliminate silicone oil coating instability-caused influence, has a stable release force and prevents electrostatic spark in production.

Description

Protection adhesive tape anti-static release film
Technical field
The present invention relates to a kind of mould release membrance, protect adhesive tape anti-static release film particularly to one.
Background technology
Existing mould release membrance is usually at one layer of leaching membrane layer of surface film of release paper ground paper layer that (material of employing mainly has Polyethylene), then obtain release paper the surface of leaching membrane layer one layer of mould release coating (material of employing is mainly silicone oil) of coating. But owing to leaching membrane layer flatness is high, poor adhesive force between mould release coating and leaching membrane layer, when release paper be coated with high viscosity When the pad pasting of binding agent attaches, the binding agent that the mould release coating being easily caused in release paper is attached power bigger is taken away, thus Local surfaces at pad pasting forms the mould release coating area being difficult to clean out, and destroys pure, concordance that pad pasting is overall.And And owing to production process electrostatic is excessive, cause the local out-of-flatness of release coating layer, not only affect product peeling force stability, and Easily produce electrostatic spark and cause fire.
Summary of the invention
It is an object of the present invention to provide a kind of protection adhesive tape anti-static release film, this protection adhesive tape was with anti-static release film both The leaching membrane layer of solution release paper is the highest with mould release coating binding force, peeling force is unstable, improves again film surface anti-static Can, and also improve scratch resistance performance simultaneously.
For reaching above-mentioned purpose, the technical solution used in the present invention is: a kind of protection adhesive tape anti-static release film, described In anti-static release film, thin layer one surface is coated with the cloudy surface anti-static coating that a layer thickness is 0.2 ~ 2 micron, cloudy surface antistatic Another surface-coated of coating has silicon layer；The surface that described cloudy surface anti-static coating contacts with silicon layer has some sags and crests；
Described cloudy surface anti-static coating is made up of the component of following masses percentage composition:
Silica granule 5%,
Mean molecule quantity is acrylic polyol 27 % of 500 ~ 2000,
Mean molecule quantity is the resin 39% of the polyoxyalkylene series polyhydric alcohol of 200 ~ 2500,
Polyethylene Glycol 18%,
Cyclomethicone 6%,
1-hydroxycyclohexyl phenyl ketone-light trigger 184 5%；
The particle diameter of described silica granule be in the particle size distribution measured by laser diffraction and scattering method particle diameter 0.1 ~ 2 μm and 1.5 ~ It is respectively provided with peak value in the range of 5 μm and mean diameter is 4 μm or following；
Described cloudy surface anti-static coating uses ultra-violet bands to be 280nm ~ 350nm, and illumination is 1200mW/cm2, to described cloudy surface Anti-static coating is irradiated, and makes described component gather under the effect of 1-hydroxycyclohexyl phenyl ketone-light trigger 184 Close reaction and obtain cloudy surface anti-static coating.
In technique scheme, further improved plan is as follows:
1, in such scheme, described ultra-violet bands is 315nm ~ 320nm.
2, in such scheme, described thin layer is film layer or polyvinyl chloride layer, poly terephthalic acid second two One in alcohol ester thin layer, layer of polypropylene foil.
Owing to technique scheme is used, the present invention compared with prior art has following advantages and an effect:
1, the present invention protects adhesive tape anti-static release film, and it uses 20 ~ 30 % mean molecule quantities to be the acrylic acid of 500 ~ 2000 The polyurethane of the resin polymerization of polyhydric alcohol and polyoxyalkylene series polyhydric alcohol that 30 ~ 40 % mean molecule quantities are 200 ~ 2500 Mixing after resin and with cyclomethicone 4 ~ 8%, mean molecule quantity is acrylic polyol and the mean molecule quantity of 500 ~ 2000 Be 200 ~ 2500 polyoxyalkylene series polyhydric alcohol resin in chain improve film surface anti-static performance, and also improve simultaneously Scratch resistance performance；Its polyalcohol acrylate monomer has the mean molecule quantity of 500 ~ 2000, if molecular weight is less than 500, and film Wearability tend to reduce, if mean molecule quantity is more than 2000, during film-forming the suitability be deteriorated.If acrylic polyol Ester monomer is specifically for ethylene glycol, it is contemplated that water absorbing capacity, the Polyethylene Glycol that the present invention selects mean molecule quantity to be 200 ~ 1000, profit Combine the ability of water with its superior absorption, further increase anti-static effect.Due to this acrylic polyol monomer Having the ability that especially advantageous absorption combines the water of water form, have anti-static effect, polyalcohol acrylate monomer is whole This monomer can be used.
2, first the present invention is coated with cloudy surface anti-static coating to the surface of thin layer, passes through formula through cloudy surface anti-static coating With the surface after PROCESS FOR TREATMENT, there is some uniform concaveconvex structures and anti-static effect, be then coated with at this surface silicon-coating mould release Layer coating, the bottom surface of silicon mould release coating coating is penetrated at the notch on described cloudy surface anti-static coating surface in the liquid state, silicon from Type agent coating coating is after solidification by being fixedly linked with cloudy surface anti-static coating at notch, therefore, adhesion more firmly, can Lean on.And owing to antistatic processes, the impact that silicone oil coating instability is brought by electrostatic can be eliminated, release peeling force can be the most steady Fixed, also avoid the generation of production process electrostatic spark.
3, the present invention uses light trigger 1-hydroxycyclohexyl phenyl ketone cause, mainly consider that it at wave band is 320-400nm ultraviolet light irradiate under, can instantaneous solidification film forming, can reach deep cure, there is good planarization and intensity.Institute Stating light trigger is 1-hydroxycyclohexyl phenyl ketone-light trigger 184, is the ultraviolet initiator of a kind of efficient non yellowing, For causing the UV polyreaction of unsaturated prepolymerization system, its mass content is 5～10 %.
4, the present invention protect adhesive tape anti-static release film, described silica granule be particle diameter be by laser diffraction and scattering method In the particle size distribution measured particle diameter in the range of 0.1 ~ 2 μm and 1.5 ~ 5 μm, be respectively provided with peak value and mean diameter be 4 μm or Following silica granule, had both substantially increased atomized surface effect, in turn ensure that solidification effect.
5, the power of medium ultraviolet light of the present invention uses 1200mW/cm2If mainly power is less than 1200mW/cm2, film is the completeest All solidstate, wearability reduces；If if power is higher than 1200mW/cm2, affecting film flatness, the suitability declines.Use ultraviolet ripple Section is 320 ~ 400nm, and illumination is 1200mW/cm2, described cloudy surface coating agent is irradiated, makes described component special in the present invention It being set for obtaining cloudy surface coating for carrying out polyreaction under the effect of the 1-hydroxycyclohexyl phenyl ketone of light trigger, thickness is 4 ~ 10 μm, have an anti-static effect, then obtain cloudy surface release layer in one layer of mould release coating of surface-coated of described cloudy surface coating.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
Embodiment: a kind of protection adhesive tape anti-static release film, has the release paper body paper of leaching membrane layer including a surface film, this from Another surface of type paper body paper is coated with an adhesive layer, and another surface of this adhesive layer is bonded with thin layer, this thin layer another Surface is coated with the cloudy surface anti-static coating that a layer thickness is 0.2 ~ 2 micron, and another surface-coated of cloudy surface anti-static coating has silicone oil Layer；The surface that described cloudy surface anti-static coating contacts with silicon layer has some sags and crests；
Described cloudy surface anti-static coating is made up of the component of following masses percentage composition:
Silica granule 5%,
Mean molecule quantity is acrylic polyol 27 % of 500 ~ 2000,
Mean molecule quantity is the resin 39% of the polyoxyalkylene series polyhydric alcohol of 200 ~ 2500,
Polyethylene Glycol 18%,
Cyclomethicone 6%,
1-hydroxycyclohexyl phenyl ketone-light trigger 184 5%；
The particle diameter of described silica granule be in the particle size distribution measured by laser diffraction and scattering method particle diameter 0.1 ~ 2 μm and 1.5 ~ It is respectively provided with peak value in the range of 5 μm and mean diameter is 4 μm or following；
Described ultra-violet bands is 280nm ~ 285nm.
Described cloudy surface anti-static coating uses ultra-violet bands to be 280nm ~ 350nm, and illumination is 1200mW/cm2, to described Cloudy surface anti-static coating is irradiated, and makes described component enter under the effect of 1-hydroxycyclohexyl phenyl ketone-light trigger 184 Row polyreaction obtains cloudy surface anti-static coating.
Cloudy-surface release paper is by leaching membrane layer, release paper body paper, adhesive layer, thin layer, cloudy surface anti-static coating and mould release Coating six layers stacks gradually composition, and described cloudy surface anti-static coating with the surface roughness on the surface of mould release coating layer touch is 2.821μm~3.324μm.Testing standard: ISO4287:1998.Roughness tester: Beijing epoch, peak Science and Technology Ltd. produced TR200 Manual roughness devices.
Described cloudy surface anti-static coating is polyester cloudy surface coating.First the one side film material to release paper body paper is PE's Leaching membrane layer, another side one layer of adhesive layer of coating, then thin film layer of fitting on adhesive layer, then on the surface of thin layer Coating cloudy surface anti-static coating (material is polyester), surface has some uniform concaveconvex structures after treatment, then on this surface Silicon-coating release mould release coating, the bottom surface of silicon release mould release coating penetrates into described cloudy surface anti-static coating surface in the liquid state Notch at, silicon release mould release coating is fixedly linked with cloudy surface anti-static coating by notch after solidification, therefore, adhesion More firmly, reliable.But also can by regulate cloudy surface anti-static coating mist degree (i.e. roughness), come freely adjust silicon from The size of peeling force between type mould release coating and release paper body paper.
Performance indications are as shown in table 1:
Table 1
(1), ocular estimate: the existence of outward appearance, transparency and crackle is evaluated by visual observation.No problem film Being rated as satisfactory (O), 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), peel off voltage roller and adhesive tape crimping (1 kilogram back and forth, speed 0.3m/min), in release face, thereafter, is used hands Quickly peel off (10m/min), read adhesive tape with electrostatic field tester (model: SIMCO FMX-003) and glue the stripping of release face The maximum of electrostatic pressure, electrostatic pressure is qualified products less than 0.3KV, and electrostatic pressure is substandard product more than 0.3KV；
(5), two, face of surface resistance value sheet resistance tester G parallel copper electrodes be placed in the arbitrary place of sample surfaces, press black Color A key, waits about 30 seconds, resistance at LED display test, and ambient temperature and humidity is noted down.Display surface resistance < 1.0E+10 Ω/sq, (65%RH, 23 DEG C) is qualified；Display surface resistance > 1.0E+10 Ω/sq, (65%RH, 23 DEG C) is defective.
(6) wearability test is at the 500g/cm of steel wire face (#0000)2The pressure that adds hard conating face is rubbed after 30 times, To not having scar to be denoted as O, it is 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 technology design and the feature of the explanation present invention, its object is to allow person skilled in the art Scholar will appreciate that present disclosure and implements according to this, can not limit the scope of the invention with this.All according to the present invention The equivalence that spirit is made changes or modifies, and all should contain within protection scope of the present invention.

Claims (3)

1. a protection adhesive tape anti-static release film, it is characterised in that: in described anti-static release film, thin layer one surface is coated with Cloth a layer thickness is the cloudy surface anti-static coating of 0.2 ~ 2 micron, and another surface-coated of cloudy surface anti-static coating has silicon layer；Described The surface that cloudy surface anti-static coating contacts with silicon layer has some sags and crests；
Described cloudy surface anti-static coating is made up of the component of following masses percentage composition:
Silica granule 5%,
Mean molecule quantity is acrylic polyol 27 % of 500 ~ 2000,
Mean molecule quantity is the resin 39% of the polyoxyalkylene series polyhydric alcohol of 200 ~ 2500,
Polyethylene Glycol 18%,
Cyclomethicone 6%,
1-hydroxycyclohexyl phenyl ketone-light trigger 184 5%；
The particle diameter of described silica granule be in the particle size distribution measured by laser diffraction and scattering method particle diameter 0.1 ~ 2 μm and 1.5 ~ It is respectively provided with peak value in the range of 5 μm and mean diameter is 4 μm or following；
Described cloudy surface anti-static coating uses ultra-violet bands to be 280nm ~ 350nm, and illumination is 1200mW/cm2, to described cloudy surface Anti-static coating is irradiated, and makes described component gather under the effect of 1-hydroxycyclohexyl phenyl ketone-light trigger 184 Close reaction and obtain cloudy surface anti-static coating.
Protection adhesive tape anti-static release film the most according to claim 1, it is characterised in that: described ultra-violet bands is 280nm~285nm。
Protection adhesive tape anti-static release film the most according to claim 1, it is characterised in that: described thin layer is polyethylene One in thin layer or polyvinyl chloride layer, pet film layer, layer of polypropylene foil.
CN201610084700.2A 2012-12-20 2012-12-20 Antistatic release film for protection adhesive tape Pending CN105837844A (en)

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CN201610084834.4A Pending CN105838277A (en) 2012-12-20 2012-12-20 High-reliability matte release material for adhesive tape
CN201610084700.2A Pending CN105837844A (en) 2012-12-20 2012-12-20 Antistatic release film for protection adhesive tape
CN201510973218.XA Pending CN105625093A (en) 2012-12-20 2012-12-20 Scratch-resistant coating material
CN201610084402.3A Active CN105839460B (en) 2012-12-20 2012-12-20 Adhesive tape high-bond cloudy surface coating material
CN201510982658.1A Pending CN105603824A (en) 2012-12-20 2012-12-20 Antistatic release film for pressure sensitive adhesive tape
CN201510979627.0A Pending CN105567111A (en) 2012-12-20 2012-12-20 High stable-peel-force antiadherent film
CN201210556464.1A Active CN103074819B (en) 2012-12-20 2012-12-20 Anti scuffing cloudy surface anti-static release paper
CN201510982397.3A Pending CN105586806A (en) 2012-12-20 2012-12-20 Anti-static matte coating material
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CN104975537A (en) * 2015-06-10 2015-10-14 东莞市尚鑫纸业有限公司 Wear resistant release paper
CN105002777A (en) * 2015-07-16 2015-10-28 吉翔宝（太仓）离型材料科技发展有限公司 Antistatic antibacterial release paper and preparation method therefor
CN105002776A (en) * 2015-07-16 2015-10-28 吉翔宝（太仓）离型材料科技发展有限公司 High temperature-resistant antistatic release paper and preparation method therefor
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CN107724070A (en) * 2017-10-20 2018-02-23 浙江剑利美针织服饰有限公司 A kind of graphene fabric and preparation method thereof
CN107828073B (en) * 2017-11-09 2021-07-06 合肥乐凯科技产业有限公司 Release hardening film
CN108582909A (en) * 2018-05-02 2018-09-28 安徽九牛塑业科技有限公司 It is a kind of can be with the plastic package material and preparation method thereof of antistatic
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Application publication date: 20160810