CN105603824A - Antistatic release film for pressure sensitive adhesive tape - Google Patents

Antistatic release film for pressure sensitive adhesive tape Download PDF

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Publication number
CN105603824A
CN105603824A CN201510982658.1A CN201510982658A CN105603824A CN 105603824 A CN105603824 A CN 105603824A CN 201510982658 A CN201510982658 A CN 201510982658A CN 105603824 A CN105603824 A CN 105603824A
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CN
China
Prior art keywords
layer
static coating
coating
adhesive tape
sensitive adhesive
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
CN201510982658.1A
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Chinese (zh)
Inventor
金闯
张庆杰
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Sidike New Materials Jiangsu Co Ltd
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Sidike New Materials Jiangsu Co Ltd
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Application filed by Sidike New Materials Jiangsu Co Ltd filed Critical Sidike New Materials Jiangsu Co Ltd
Publication of CN105603824A publication Critical patent/CN105603824A/en
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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
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/38—Coatings with pigments characterised by the pigments
    • D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
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    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
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    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/001—Release paper
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

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Abstract

The invention discloses an antistatic release film for a pressure sensitive adhesive tape. One surface of a film layer in the antistatic release film is coated with a matte antistatic coating with the thickness being 0.2-2 mu m, wherein the matte antistatic coating comprises components in percentage by mass as follows: 5% of silica particles, 23.5% of acrylic acid polyalcohol with the average molecular weight being 500-2,000, 40% of resin of polyoxyalkylene-series polyalcohol with the average molecular weight being 200-2,500, 15% of polyethylene glycol, 6.5% of cyclo-methylsiloxane and 10% of 1-hydroxycyclohexyl phenyl ketone-photoinitiator 184; the ultraviolet ray wave band of the matte antistatic coating is 280-350 nm, and the illuminance of the matte antistatic coating is 1,200 mW/cm<2>. The anti-static performance and the scraping resistance of the film surface are improved.

Description

Pressure sensitive adhesive tape antistatic mould release membrance
Technical field
The present invention relates to a kind of mould release membrance, particularly a kind of pressure sensitive adhesive tape antistatic mould release membrance.
Background technology
Release liners claims again barrier paper, separate paper, is mainly used in pasting the glue for the protection of tape surface on the surface of adhesive tapeAdhesive layer. Existing release liners is generally that (material of employing mainly contains for surperficial film one deck leaching membrane layer at release liners ground paper layerPolyethylene), then obtain release liners in surface-coated one deck mould release coating (material of employing is mainly silicone oil) of leaching membrane layer.But because leaching membrane layer flatness is high, poor adhesive force between mould release coating and leaching membrane layer, when release liners be coated with high viscosityWhen the pad pasting of adhesive attaches, easily cause the mould release coating in release liners to be taken away by the larger adhesive of adhesion, therebyLocal surfaces at pad pasting forms the mould release coating area that is difficult to clean out, and has destroyed pure, the uniformity of pad pasting entirety. AndAnd because production process static is excessive, cause the local out-of-flatness of release coating layer, not only affect product peeling force stability, andEasily produce electrostatic spark and cause fire.
Summary of the invention
The object of the invention is to provide a kind of pressure sensitive adhesive tape antistatic mould release membrance, and this pressure sensitive adhesive tape had both been used antistatic mould release membranceSolve release liners leaching membrane layer and mould release coating binding force is not high, peeling force is unstable, improved again film surface anti-staticCan, and also improved scratch resistance performance simultaneously.
For achieving the above object, the technical solution used in the present invention is: a kind of pressure sensitive adhesive tape antistatic mould release membrance, described inIn antistatic mould release membrance, thin layer one surface-coated a layer thickness is the cloudy surface anti-static coating of 0.2 ~ 2 micron, cloudy surface antistaticAnother surface of coating is coated with 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 quality percentage composition:
Silica granule 5%,
Mean molecule quantity is 500 ~ 2000 acrylic polyol 23.5%,
Mean molecule quantity is the resin 40% of 200 ~ 2500 polyoxyalkylene series polyalcohol,
Polyethylene glycol 15%,
Cyclohexyl methyl siloxanes 6.5%,
1-hydroxy-cyclohexyl phenyl ketone-light trigger 18410%;
The particle diameter of described silica granule be in the size distribution of being measured by laser diffraction and scattering method particle diameter 0.1 ~ 2 μ m and 1.5 ~In the scope of 5 μ m, having respectively peak value and average grain diameter is 4 μ m or following;
It is 280nm ~ 350nm that described cloudy surface anti-static coating adopts ultraviolet wave band, and illumination is 1200mW/cm2, to described cloudy surfaceAnti-static coating irradiates, and described component is gathered under the effect of 1-hydroxy-cyclohexyl phenyl ketone-light trigger 184Close reaction and obtain cloudy surface anti-static coating.
In technique scheme, further improved plan is as follows:
1,, in such scheme, described ultraviolet wave band is 315nm ~ 320nm.
2,, in such scheme, described thin layer is film layer or polyvinyl chloride layer, poly terephthalic acid second twoOne in alcohol ester thin layer, layer of polypropylene foil.
Because technique scheme is used, the present invention compared with prior art has following advantages and effect:
1, pressure sensitive adhesive tape of the present invention antistatic mould release membrance, it adopts 20 ~ 30% mean molecule quantities is 500 ~ 2000 acrylic acidThe polyurethane that the resin polymerization of the polyoxyalkylene series polyalcohol that polyalcohol and 30 ~ 40% mean molecule quantities are 200 ~ 2500 formsAfter resin and with cyclohexyl methyl siloxanes 4 ~ 8%, mix the acrylic polyol that mean molecule quantity is 500 ~ 2000 and mean molecule quantityBe that chain in the resin of 200 ~ 2500 polyoxyalkylene series polyalcohol has improved film surface anti-static performance, and also improve simultaneouslyScratch resistance performance; Its polyalcohol acrylate monomer has 500 ~ 2000 mean molecule quantity, if molecular weight is less than 500, and filmWearability be tending towards reduce, if mean molecule quantity exceedes 2000, applicability variation when film-forming. If polyalcohol acrylic acidEster monomer is in particular ethylene glycol, considers water absorbing capacity, and it is 200 ~ 1000 polyethylene glycol that the present invention selects mean molecule quantity, profitBy the ability of its superior absorption in conjunction with water, further improve anti-static effect. Due to this polyalcohol acrylic monomersHave the ability of superior especially absorption in conjunction with the water of water form, have anti-static effect, polyalcohol acrylate monomer is wholeCan use this monomer.
2, the first surface-coated cloudy surface anti-static coating to thin layer of the present invention, passes through formula through cloudy surface anti-static coatingThere is some even concaveconvex structures and anti-static effect with the surface after PROCESS FOR TREATMENT, be then coated with at this surface-coated silicon mould releaseLayer coating, the notch place on described cloudy surface anti-static coating surface is infiltrated in the bottom surface of silicon mould release coating coating under liquid state, silicon fromType agent coating coating is fixedly linked by notch place and cloudy surface anti-static coating after solidifying, therefore, adhesion more firmly, canLean on. And due to antistatic processing, can eliminate static to the unstable impact bringing of silicone oil coating, release peeling force can be very steadyFixed, also avoid the generation of production process electrostatic spark.
3, in the present invention, adopting light trigger 1-hydroxy-cyclohexyl phenyl ketone to cause, is mainly to consider that it is at wave bandUnder 320-400nm UV-irradiation, can instantaneous solidification film forming, can reach deep layer and solidify, there is good planarization and intensity. InstituteStating light trigger is 1-hydroxy-cyclohexyl phenyl ketone-light trigger 184, is a kind of efficient not ultraviolet initiator of xanthochromia,For causing the UV polymerisation of unsaturated prepolymerization system, its mass content is 5～10%.
4, pressure sensitive adhesive tape of the present invention antistatic mould release membrance, described silica granule is that particle diameter is by laser diffraction and scattering methodIn the size distribution of measuring particle diameter in the scope of 0.1 ~ 2 μ m and 1.5 ~ 5 μ m, have respectively peak value and average grain diameter be 4 μ m orFollowing silica granule, had both improved atomized surface effect greatly, had ensured again solidification effect.
5, the power of medium ultraviolet light of the present invention adopts 1200mW/cm2If be mainly that power is lower than 1200mW/cm2, film is not completeComplete solidifying, wearability reduces; If if power is higher than 1200mW/cm2, affecting film flatness, applicability declines. Adopt ultraviolet rippleSection is 320 ~ 400nm, and illumination is 1200mW/cm2, described cloudy surface coating agent is irradiated, make described component spy of the present inventionTo have made to order and under the effect for the 1-hydroxy-cyclohexyl phenyl ketone of light trigger, carry out polymerisation and obtain cloudy surface coating, thickness is 4 ~10 μ m, have anti-static effect, then obtain cloudy surface release layer in the surface of described cloudy surface coating coating one deck mould release coating.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
Embodiment: a kind of pressure sensitive adhesive tape antistatic mould release membrance, thin layer one surface-coated one deck in described antistatic mould release membranceThickness is the cloudy surface anti-static coating of 0.2 ~ 2 micron, and another surface of cloudy surface anti-static coating is coated with silicon layer; Described cloudy surface is anti-The surface that electrostatic coating contacts with silicon layer has some sags and crests;
Described cloudy surface anti-static coating is made up of the component of following quality percentage composition:
Silica granule 5%,
Mean molecule quantity is 500 ~ 2000 acrylic polyol 23.5%,
Mean molecule quantity is the resin 40% of 200 ~ 2500 polyoxyalkylene series polyalcohol,
Polyethylene glycol 15%,
Cyclohexyl methyl siloxanes 6.5%,
1-hydroxy-cyclohexyl phenyl ketone-light trigger 18410%;
The particle diameter of described silica granule be in the size distribution of being measured by laser diffraction and scattering method particle diameter 0.1 ~ 2 μ m and 1.5 ~In the scope of 5 μ m, having respectively peak value and average grain diameter is 4 μ m or following;
It is 280nm ~ 350nm that described cloudy surface anti-static coating adopts ultraviolet wave band, and illumination is 1200mW/cm2, to described cloudy surfaceAnti-static coating irradiates, and described component is gathered under the effect of 1-hydroxy-cyclohexyl phenyl ketone-light trigger 184Close reaction and obtain cloudy surface anti-static coating.
Cloudy-surface release paper is by leaching membrane layer, release liners body paper, adhesive layer, thin layer, cloudy surface anti-static coating and mould releaseSix layers of coatings stack gradually formation, and the surperficial surface roughness that described cloudy surface anti-static coating contacts with mould release coating is2.821 μ m ~ 3.324 μ m. Testing standard: ISO4287:1998. Roughness tester: Beijing epoch, peak Science and Technology Ltd. producedTR200 Manual roughness devices.
Described cloudy surface anti-static coating is polyester cloudy surface coating. First be PE to the one side film material of release liners body paperLeaching membrane layer, another side coating one deck adhesive layer, then the thin film layer of fitting on adhesive layer, then on the surface of thin layerCoating cloudy surface anti-static coating (material is polyester), surface has some even concaveconvex structures after treatment, then on this surfaceThe release mould release coating of silicon-coating, described cloudy surface anti-static coating surface is infiltrated in the bottom surface of the release mould release coating of silicon under liquid stateNotch place, the release mould release coating of silicon is fixedly linked by notch and cloudy surface anti-static coating after solidifying, therefore, adhesionMore firmly, reliable. But also can be by regulating the mist degree (being roughness) of cloudy surface anti-static coating, freely adjust silicon fromThe size of peeling force between type mould release coating and release liners 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 filmBe rated as satisfactory (O), problematic film is rated as unsatisfactory (X);
(2), private seal is release aspect private seal 10 times, is qualified without delustring, delustring is defective;
(3), hundred lattice test hundred lattice cuttves tests without coming off for qualified products, come off for substandard product;
(4), peel off voltage roller adhesive tape crimping (1 kilogram back and forth, speed 0.3m/min), in release face, thereafter, is used to handPeel off fast (10m/min), read adhesive tape with electrostatic field tester (model: SIMCOFMX-003) and glue peeling off of release faceThe maximum of electrostatic pressure, it is qualified products that electrostatic pressure is less than 0.3KV, it is substandard product that electrostatic pressure is greater than 0.3KV;
(5), surface impedance value is placed in the arbitrary place of sample surfaces with two parallel copper electrodes of sheet resistance tester G face, presses blackLook A key, waited about 30 seconds, and LED shows test place resistance, and ambient temperature and humidity, notes down. Display surface resistance < 1.0E+10Ω/sq, (65%RH, 23 DEG C) are 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)2Add and depress after hard conating face friction 30 times,To not having scar to be denoted as O, to there being scar to be denoted as X.
(7) pencil hardness test is evaluated the pencil hardness of hard coating film according to GB/T6739-2006.
Above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the artScholar can understand content of the present invention and implement according to this, can not limit the scope of the invention with this. All according to the present inventionThe equivalence that Spirit Essence is done changes or modifies, within all should being encompassed in protection scope of the present invention.

Claims (3)

1. a pressure sensitive adhesive tape antistatic mould release membrance, is characterized in that: in described antistatic mould release membrance, thin layer one surface is coated withCloth a layer thickness is the cloudy surface anti-static coating of 0.2 ~ 2 micron, and another surface of cloudy surface anti-static coating is coated with silicon layer; DescribedThe 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 quality percentage composition:
Silica granule 5%,
Mean molecule quantity is 500 ~ 2000 acrylic polyol 23.5%,
Mean molecule quantity is the resin 40% of 200 ~ 2500 polyoxyalkylene series polyalcohol,
Polyethylene glycol 15%,
Cyclohexyl methyl siloxanes 6.5%,
1-hydroxy-cyclohexyl phenyl ketone-light trigger 18410%;
The particle diameter of described silica granule be in the size distribution of being measured by laser diffraction and scattering method particle diameter 0.1 ~ 2 μ m and 1.5 ~In the scope of 5 μ m, having respectively peak value and average grain diameter is 4 μ m or following;
It is 280nm ~ 350nm that described cloudy surface anti-static coating adopts ultraviolet wave band, and illumination is 1200mW/cm2, to described cloudy surfaceAnti-static coating irradiates, and described component is gathered under the effect of 1-hydroxy-cyclohexyl phenyl ketone-light trigger 184Close reaction and obtain cloudy surface anti-static coating.
2. pressure sensitive adhesive tape according to claim 1 antistatic mould release membrance, is characterized in that: described ultraviolet wave band is315nm~320nm。
3. pressure sensitive adhesive tape according to claim 1 antistatic mould release membrance, is characterized in that: described thin layer is polyethyleneOne in thin layer or polyvinyl chloride layer, pet film layer, layer of polypropylene foil.
CN201510982658.1A 2012-12-20 2012-12-20 Antistatic release film for pressure sensitive adhesive tape Pending CN105603824A (en)

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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
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
CN201510982397.3A Pending CN105586806A (en) 2012-12-20 2012-12-20 Anti-static matte coating material
CN201210556464.1A Active CN103074819B (en) 2012-12-20 2012-12-20 Anti scuffing cloudy surface anti-static release paper
CN201610084833.XA Active CN105839461B (en) 2012-12-20 2012-12-20 Adhesive tape cloudy surface anti-static coating
CN201610084700.2A Pending CN105837844A (en) 2012-12-20 2012-12-20 Antistatic release film for protection adhesive tape
CN201610084834.4A Pending CN105838277A (en) 2012-12-20 2012-12-20 High-reliability matte release material for adhesive tape

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CN201610084402.3A Active CN105839460B (en) 2012-12-20 2012-12-20 Adhesive tape high-bond cloudy surface coating material
CN201510982397.3A Pending CN105586806A (en) 2012-12-20 2012-12-20 Anti-static matte coating material
CN201210556464.1A Active CN103074819B (en) 2012-12-20 2012-12-20 Anti scuffing cloudy surface anti-static release paper
CN201610084833.XA Active CN105839461B (en) 2012-12-20 2012-12-20 Adhesive tape cloudy surface anti-static coating
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CN201610084834.4A Pending CN105838277A (en) 2012-12-20 2012-12-20 High-reliability matte release material for adhesive tape

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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
CN105133422B (en) * 2015-07-16 2017-10-10 吉翔宝（太仓）离型材料科技发展有限公司 A kind of anti-scratch high-temperature resistant and antistatic release liners and preparation method thereof
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
CN110016220A (en) * 2019-03-08 2019-07-16 苏州中特电材有限公司 Antistatic color masterbatch

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CN105838277A (en) 2016-08-10
CN105567111A (en) 2016-05-11

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