CN106113719A - A kind of antistatic macromolecule protecting film and production method thereof - Google Patents
A kind of antistatic macromolecule protecting film and production method thereof Download PDFInfo
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- CN106113719A CN106113719A CN201610437585.2A CN201610437585A CN106113719A CN 106113719 A CN106113719 A CN 106113719A CN 201610437585 A CN201610437585 A CN 201610437585A CN 106113719 A CN106113719 A CN 106113719A
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- antistatic
- adhesive
- coating
- former film
- glue
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/10—Interconnection of layers at least one layer having inter-reactive properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/14—Printing or colouring
- B32B38/145—Printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/06—Interconnection of layers permitting easy separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/21—Anti-static
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- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
nullThe antistatic macromolecule protecting film that the present invention provides，Including the former film of antistatic and mould release membrance，The former film of antistatic is the external coating former film of type antistatic，The two-layer up and down of former film all scribbles external coating，The combination that the former film of external coating antistatic is gluing with antistatic，It is an up the main cause of antistatic effect of antistatic adhesive layer，It is the upper maximum breakthroughs of research and development，Judge that base material material is to have the electric conductivity of glue-line to a certain degree to affect，Film surface resistance value is promoted to 10^6 ~ 10^9 from 10^10 ~ 10^11 by success，Antistatic former film coating antistatic adhesive layer combines with mould release membrance，The adhesive of described antistatic adhesive layer is added with metallicity antistatic additive，Lithium salts type antistatic additive selected by antistatic additive，The charge density of lithium metal own is big，It is not readily susceptible to polarization，Stability is high，Good conductive net is formed with adhesive after mixing，Antistatic adhesive layer is combined by the enhancing adhesive layer between antistatic former film external coating.
Description
Technical field
The present invention relates to a kind of polymer protective film, particularly relate to a kind of antistatic macromolecule protecting film and producer thereof
Method.
Background technology
No matter electronic product in appearance design or interior is assembling now, the most aobvious complexity, in complicated processing procedure, be tieed up
Hold the most aobvious challenge of consistent quality, in electron trade, either during the making of product or the process of circulation of product
In, the requirement of cleanliness factor quality increasingly high standard and materialization, the most traditional Antistatic protective film cannot meet,
Such as, the clean room environment that electronics industry is assert, it to be promoted to dust free room grade from general toilet's compartment, the lowest class is
Ten thousand grades of dust falls and general show off be promoted to thousand grades of dust falls, mutually equity, and Antistatic protective film must promote to meet high standard requirement
Working environment, even founding new touchstone, whether up to standard carry out quality-determining, the structure of traditional Antistatic protective film
Simply, essentially consisting in the former film of antistatic, antistatic former film major part is inner additive type (or claiming one-body molded), straight by Yuan Mo manufacturer
It is connected on conductive material and plastic pellet together mixture manufacturing, this kind of former film of inner additive type antistatic in procedure for producing, is easily subject to
Humidity affects, it is impossible to drawing stable sheet resistance numerical value, work as high humidity, sheet resistance value is well up to standard；When humidity is little,
Sheet resistance value can embody 10^12～insulator (numerical value 10^12 has belonged to insulation the most, it is impossible to well derive electrostatic), this
It is because former film and there is certain penetrance, it is impossible to avoid the aqueous vapor in air to penetrate the impact caused, simultaneously raw metal dispersion
Inequality, causes the inconsistent phenomenon of local surfaces resistance, and first, producing the reactor capacity that former film used is to calculate with ton, adopts
Take from dynamic production model, the dispersed difficulty that existed of metal additive to be made itself, furthermore, former film processing procedure need to be through double
To stretching, it is impossible to control to assemble metal additive toward surface layer, therefore have former film location detection less than resistance when detection
It is worth phenomenon, according to actual measurement sheet resistance value about 10^10 ~ 10^11, it is desirable to the highest be applicable to ten thousand grades of dust free rooms.
Summary of the invention
It is desirable to provide a kind of antistatic macromolecule protecting film that can be applicable to thousand grades of dust free rooms of high standard and life thereof
Product method.
For realizing above-mentioned technical purpose, the present invention by the following technical solutions, a kind of antistatic macromolecule protecting film, including
The former film of antistatic and mould release membrance, the former film of described antistatic is the external coating former film of type antistatic, and the two-layer up and down of former film all scribbles
External coating, the 1%-7% that addition ratio is solid content of the metallic addition in external coating, the thickness of external coating is 1-5um, anti-
Electrostatic former film coating antistatic adhesive layer combines with mould release membrance, is added with gold in the adhesive of described antistatic adhesive layer
Attribute antistatic additive, antistatic additive selection lithium salts type antistatic additive, the 1-10% that addition ratio is solid content of antistatic additive,
Add in adhesive after being dissolved by organic solvent diluting, described antistatic adhesive layer by film external coating former with antistatic it
Between enhancing adhesive layer combine, described enhancing adhesive layer uses silane coupling agent, and i.e. a kind of mixing glue, thickness is 0.1-
0.5um。
As preferably, described lithium salts type antistatic additive uses the thousand mesh level metal dusts that processed grinding is made.
As preferably, the external coating of the former film of described antistatic contains silicon composition.
The production method of a kind of antistatic macromolecule protecting film, comprises the following steps:
S1, former film coating antistatic external coating, former film two-sided on coating containing the antistatic external coating of silicon composition, external coating
Thickness is 1-5um；
Being coated with primary coat on S2, the former film of two-sided antistatic, select corresponding silane coupling agent during primary coat, solid content is 5-8%, selects the end
Being made by silane coupling agent of organic solvent after varnish again and dilute, silane coupling agent is 100%: 10 ~ 15% with the ratio of organic solvent, silane coupling agent
Selecting gravure equipment to be coated processing after having diluted, gravure equipment uses tumbling barrel process to carry out
Coating, the rubber tire of equipment is per se with etching lines, through glue groove, adhesive tape acts to turn being applied on base material, and gravure sets
Standby machine speed is set as 30 ~ 50m/Min, and the order for the temperature setting in the heat cure baking oven tunnel of primary coat coating apparatus is
60 ± 5,75 ± 5,90 ± 5,100 ± 5,110 ± 5,90 ± 5 DEG C, after on the former film of two-sided antistatic, coating primary coat completes, it is coated with
Cloth tail carries out rolling, immediately carries out antistatic glue-line coating, strengthens the occlusion of former film and adhesive layer；S3: preparation antistatic
Adhesive, first lithium salts type antistatic additive is diluted by we with organic solvent, selected organic solvent purity > 99.9%,
The ratio of antistatic additive and organic solvent is classified as 1:2-1:2.5, and antistatic additive starts to be stirred until homogeneous after adding organic solvent；Same
One time we be then ready for adhesive, the amount of preparation of adhesive is 40～50kg/ buckets, then adhesive is stirred formed
The flowing of swirl type, will dilute complete antistatic additive being poured in adhesive slowly, and antistatic additive is according to adhesive
Solid content ratio adds 1-10%, is stirred until homogeneous after interpolation, adds solidification subsequently in the Anti-static adhesive of preparation
Agent, firming agent slowly pours in adhesive, and adhesive is 100:0.3-100:2 with the ratio of firming agent, continues after interpolation
Stirring；
S4, after step S2 completes, immediately on completed priming coat be coated with antistatic glue-line, during gluing, optional step S3 is joined
System Anti-static adhesive, adhesive relative to the solid content of antistatic glue-line be 15～35%, viscosity be 1000～3000cps,
Selecting scraper for coating equipment to be coated for glue-line, scraper for coating equipment uses knife coating i.e. to be driven base material warp by gum wheel
Cross glue groove, then through the scraper set, scraper is that thickness is arranged with the gap of gum wheel, the temperature in heat cure baking oven tunnel
Degree setting is followed successively by 60 ± 5/ 75 ± 5/ 90 ± 5/ 100 ± 5/ 110 ± 5/ 90 ± 5 DEG C, and glue thickness is set as 10um ~ 20um,
Machine speed is set as 10 ~ 25m/Min；
S5, antistatic glue-line is combined with mould release membrance, completes processing, detect, detect qualified after send to packaging.
As preferably, the silane coupling agent in described step S2 selects Primer94 type mixing glue.
As preferably, the solid content of Primer 94 is 6.5%.
The beneficial effects of the present invention is: 1) combination of antistatic adhesive layer, we have selected lithium salts type antistatic additive, because of
Big for the charge density of lithium metal own, it is not easy to be polarized, stability is high, is formed and well lead after mixing with adhesive
Electrical network, lithium salts type antistatic additive has to pass through processing grinding and makes thousand mesh level powder before using, can reach to dissolve completely and
Do not have macroscopic granule, carry out about 2%～7% addition according to adhesive solid content, if addition excess (>
13%) metal can be caused to separate out to film surface phenomena impair adhesion and having ghost transfer phenomena on patch product；2) outward
The combination that the former film of coating antistatic is gluing with antistatic, is an up the main cause of antistatic effect of antistatic adhesive layer, is
Breakthrough maximum in research and development, it is determined that base material material is to have the electric conductivity of glue-line to a certain degree to affect, successfully by glue-line table
Surface resistance value is promoted to 10^6 ~ 10^9 from 10^10 ~ 10^11；3) combine primary coat, increase former film antistatic coating and antistatic glue
The adhesive force of layer, priming coat must the thinnest (thickness about 0.1 ~ 0.5um), it is to avoid hidden the antistatic layer impact of lower section
The formation of monolithic conductive net；4) in order to make priming coat can reach the effect (thickness 0.1 ~ 0.5um) of thin layer, we will
94Primer dilutes, and the 94Primer solid content after dilution is about down to 5.5 ~ 5%, and cps value becomes lower, during coating primary coat
Utilize speed to control the speed (machine speed controls at 30 ~ 50m/Min) that glue overflows；5) the production temperature of Anti-static adhesive is arranged
Less than 130, because antistatic coating can be destroyed, temperature is principal element.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
In figure: 1, the former film of antistatic；2, antistatic external coating；3, adhesive layer is strengthened；4, antistatic adhesive layer；5, release
Film.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, unless otherwise prescribed and limit, it should be noted that term " is installed ", " being connected ",
" connect " and should be interpreted broadly, for example, it may be mechanically connected or electrical connection, it is also possible to be the connection of two element internals, can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary.For the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term.
A kind of antistatic macromolecule protecting film, including the former film of antistatic 1 and mould release membrance 5, the former film of described antistatic 1 is outward
The former film of coating type antistatic, the two-layer up and down of former film 1 all scribbles external coating 2, the metallic addition solid content ratio in external coating 2
For 1%-7%, the thickness of external coating 2 is 1-5um, transfers the antistatic pattern of former film to external coating formula from interior adding type, and former film is not
Having certain penetrance as traditional, the conductive resistance of former film is also promoted to 10^6 ~ 10 from traditional 10^10 ~ 10^11
^9, and because coating is the thinnest, metallic addition is uniformly dispersed, and forms good conductive mesh so that sheet resistance is the most steady
Fixed；The former film of described antistatic 1 is coated with antistatic adhesive layer 4 and combines with mould release membrance 5, described antistatic adhesive layer 4
Being added with metallicity antistatic additive in adhesive, lithium salts type antistatic additive selected by antistatic additive, and the solid content of antistatic additive is 1-
10%, add adhesive by organic solvent diluting after being dissolved, the charge density of lithium metal own is big, it is not easy to by stable polarization
Property high, after mixing, form good conductive net with adhesive, sheet resistance value resists quiet up to 10^10 ~ 10^11, external coating
The former film of electricity 1 and the combination of antistatic adhesive layer 4, be an up the main cause of antistatic effect of antistatic adhesive layer 4, be us
Breakthrough maximum in research and development, inspires come from that we are fitted when test is without base material conducting resinl to be pasted base material, it has been found that
To when carrying out level resistance test without base material conducting resinl, if to have good conductor resistance value relatively small and different by patch base material
The conductor of grade also can affect resistance value data, and if by patch base material, to be that insulator resistance value is relatively large even insulate, because of
This, it is possible to determine that base material material is to have the electric conductivity of glue-line to a certain degree to affect, and the coated face at base material first does anti-quiet
Electricity external coating, after maturation, is coated with Anti-static adhesive on antistatic external coating, can be successfully by adhesive layer sheet resistance value
Being promoted to 10^6 ~ 10^9 from 10^10 ~ 10^11, but we also find, the antistatic coating of antistatic glue-line and former film cannot be thrown
Anchor, main cause is that the antistatic coating of former film contains silicon composition, and therefore glue-line is difficult to be engaged with it and easily causes glue layering, described
Antistatic adhesive layer 4 combined by the enhancing adhesive layer 3 between antistatic former film external coating 2, strengthen adhesive layer 3
Using silane coupling agent, i.e. a kind of mixing glue, thickness is 0.1-0.5um, the thinnest owing to strengthening adhesive layer 3, it is to avoid hidden time
The antistatic layer of side affects the formation of monolithic conductive net.
As preferably, described lithium salts type antistatic additive uses the thousand mesh level metal dusts that processed grinding is made.
As preferably, the external coating 2 of the former film of described antistatic 1 is containing silicon composition.
The production method of a kind of antistatic macromolecule protecting film, comprises the following steps:
S1, former film coating antistatic external coating, former film two-sided on coating containing the antistatic external coating of silicon composition, external coating
Thickness is 1-5um；
Being coated with primary coat on S2, the former film of two-sided antistatic, select corresponding silane coupling agent during primary coat, silane coupling agent selects Primer94 type to mix
Rubber alloy water, its solid content is 6.5%, is made by silane coupling agent of organic solvent again and dilute after selecting silane coupling agent, and silane coupling agent is molten with organic
The ratio of agent is 100%:1%-1.5%, and silane coupling agent selects gravure equipment to be coated processing after having diluted, recessed
Version printing coating equipment uses tumbling barrel process to be coated, and the rubber tire of equipment is per se with etching lines, through glue groove, by adhesive tape
Rising to turn and be applied on base material, at Primer94 after dilution, its viscosity cps value becomes lower, therefore there will be limit, both sides overflow
The problem of glue, therefore we improve machine speed to about 30 ~ 50m/Min utilize speed to control glue overflow speed, for primary coat
The order that the temperature in the heat cure baking oven tunnel of coating apparatus is arranged is 60 ± 5,75 ± 5,90 ± 5,100 ± 5,110 ± 5,
90 ± 5 DEG C, because the solvent of Primer94 is higher, machine speed speed is fast, for guaranteeing that solvent is volatilized and glue completely again
Completely being solidified, temperature must improve, and after on the former film of two-sided antistatic, coating primary coat completes, coating tail carries out rolling, with
After carry out antistatic glue-line coating immediately, strengthen the occlusion of former film and adhesive layer；S3: preparation Anti-static adhesive, first we
With organic solvent, lithium salts type antistatic additive is diluted, selected organic solvent purity 99.9%, antistatic additive is with organic
The ratio of solvent is classified as 1:2, and antistatic additive starts stirring after adding organic solvent, mixing time is 18-25min, makes antistatic additive
Dissolve and be dispersed in adhesive；In the same time, we are then ready for adhesive, and the amount of preparation of adhesive is 40-
50kg/ bucket, controlling use time of every barrel of adhesive avoids antistatic additive to have an opportunity precipitation at 1 ~ 2hrs, is then entered by adhesive
Row stirring forms the flowing (flowing of swirl type contributes to the dispersion of antistatic additive) of swirl type, will dilute complete antistatic
Agent being poured in adhesive slowly, note that stirring when pouring excessive velocities into easily causes local in adhesive
The problem that dispersion is uneven, antistatic additive is 1-10% according to the solid content of adhesive, continues to be stirred until homogeneous after interpolation, with
After in the Anti-static adhesive of preparation, add firming agent, firming agent slowly pours in adhesive, adhesive and the ratio of firming agent
Example is 100:0.3-100:2, and the mixing time after interpolation is 15min, the water content in firming agent must < 0.01%, note
Meaning, selected organic solvent purity must>more than 99.9%, be also equal to water content must<0.01% because metal meet water then have
Oxidative phenomena affects its conductive stability, and oiliness type adhesive chance water then sends out mist affects its transparency and performance；
S4, after step S2 completes, immediately on completed priming coat be coated with antistatic glue-line, during gluing, optional step S3 is joined
System Anti-static adhesive, adhesive relative to the solid content of antistatic glue-line be 15～35%, viscosity be 1000～3000cps,
Levelability good when so can control coating selects scraper for coating equipment to be coated for glue-line, scraper for coating equipment
Use knife coating i.e. by gum wheel drive base material through glue groove, then through the scraper set, the gap of scraper and gum wheel
Being that thickness is arranged, the temperature in heat cure baking oven tunnel is set to 60/ 75/ 90/ 100/ 110/ 90 DEG C, the setting of temperature
Cannot be below 100, machine speed is also unsuitable too fast because adhesive itself sticky need uniform temperature and time could completion of cure,
But we also find, the temperature of Anti-static adhesive arranges and not can exceed that 130, because temperature is the main of destruction antistatic coating
Factor, glue thickness is set as 10um ~ 20um, and through our experimental verification, when glue is thick, < during 10um, the sheet resistance value of conductive adhesive layer is deteriorated
The most easily being partial to insulation values, therefore glue is thick last set at 10um ~ 20um, and machine speed is set as 10 ~ 25m/Min；
S5, antistatic glue-line is combined with mould release membrance, completes processing, detect, detect qualified after send to packaging.
The beneficial effects of the present invention is: 1) combination of antistatic adhesive layer, we have selected lithium salts type antistatic additive, because of
Big for the charge density of lithium metal own, it is not easy to be polarized, stability is high, is formed and well lead after mixing with adhesive
Electrical network, lithium salts type antistatic additive has to pass through processing grinding and makes thousand mesh level powder before using, can reach to dissolve completely and
Do not have macroscopic granule, carry out about 2%～7% addition according to adhesive solid content, if addition excess (>
13%) metal can be caused to separate out to film surface phenomena impair adhesion and having ghost transfer phenomena on patch product；2) outward
The combination that the former film of coating antistatic is gluing with antistatic, is an up the main cause of antistatic effect of antistatic adhesive layer, is
Breakthrough maximum in research and development, it is determined that base material material is to have the electric conductivity of glue-line to a certain degree to affect, successfully by glue-line table
Surface resistance value is promoted to 10^6 ~ 10^9 from 10^10 ~ 10^11；3) combine primary coat, increase former film antistatic coating and antistatic glue
The adhesive force of layer, priming coat must the thinnest (thickness about 0.1 ~ 0.5um), it is to avoid hidden the antistatic layer impact of lower section
The formation of monolithic conductive net；4) in order to make priming coat can reach the effect (thickness 0.1 ~ 0.5um) of thin layer, we will
94Primer dilutes, and the 94Primer solid content after dilution is about down to 5.5 ~ 5%, and cps value becomes lower, during coating primary coat
Utilize speed to control the speed (machine speed controls at 30 ~ 50m/Min) that glue overflows；5) the production temperature of Anti-static adhesive is arranged
Less than 130, because antistatic coating can be destroyed, temperature is principal element.
In the description of this specification, the description meaning of reference term " embodiment ", " example " or " some examples " etc.
Referring to combine specific features, structure, material or the feature that this embodiment or example describe, to be contained at least one of the present invention real
Execute in example or example.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or shows
Example.And, the specific features of description, structure, material or feature can be in any one or more embodiments or example
Combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
These embodiments can be carried out multiple change in the case of departing from the principle of the present invention and objective, revise, replace and modification, this
The scope of invention is limited by claim and equivalent thereof.
Claims (6)
1. an antistatic macromolecule protecting film, including the former film of antistatic and mould release membrance, it is characterised in that described antistatic is former
Film is the external coating former film of type antistatic, and the two-layer up and down of former film all scribbles external coating, the interpolation of the metallic addition in external coating
Amount ratio is the 1%-7% of solid content, and the thickness of external coating is 1-5um, antistatic former film coating antistatic adhesive layer and mould release membrance
Combining, be added with metallicity antistatic additive in the adhesive of described antistatic adhesive layer, lithium salts type selected by antistatic additive
Antistatic additive, the 1-10% that addition ratio is solid content of antistatic additive, add adhesive by organic solvent diluting after being dissolved
In, described antistatic adhesive layer is combined by the enhancing adhesive layer between antistatic former film external coating, described
Strengthening adhesive layer and use silane coupling agent, i.e. a kind of mixing glue, thickness is 0.1-0.5um.
Protecting film the most according to claim 1, it is characterised in that described lithium salts type antistatic additive uses processed
Grind the thousand mesh level metal dusts made.
Protecting film the most according to claim 1, it is characterised in that the external coating of the former film of described antistatic contains silicon composition.
4., according to the production method of a kind of antistatic macromolecule protecting film described in claims 1 to 3 any one, its feature exists
In, comprise the following steps:
S1, former film coating antistatic external coating, former film two-sided on coating containing the antistatic external coating of silicon composition, external coating
Thickness is 1-5um；
Being coated with primary coat on S2, the former film of two-sided antistatic, select corresponding silane coupling agent during primary coat, solid content is 5-8%, selects the end
Being made by silane coupling agent of organic solvent after varnish again and dilute, silane coupling agent is 100%: 10 ~ 15% with the ratio of organic solvent, silane coupling agent
Selecting gravure equipment to be coated processing after having diluted, gravure equipment uses tumbling barrel process to carry out
Coating, the rubber tire of equipment is per se with etching lines, through glue groove, adhesive tape acts to turn being applied on base material, and gravure sets
Standby machine speed is set as 30 ~ 50m/Min, and the order for the temperature setting in the heat cure baking oven tunnel of primary coat coating apparatus is
60 ± 5,75 ± 5,90 ± 5,100 ± 5,110 ± 5,90 ± 5 DEG C, after on the former film of two-sided antistatic, coating primary coat completes, it is coated with
Cloth tail carries out rolling, immediately carries out antistatic glue-line coating, strengthens the occlusion of former film and adhesive layer；S3: preparation antistatic
Adhesive, first lithium salts type antistatic additive is diluted by we with organic solvent, selected organic solvent purity > 99.9%,
The ratio of antistatic additive and organic solvent is classified as 1:2-1:2.5, and antistatic additive starts to be stirred until homogeneous after adding organic solvent；Same
One time we be then ready for adhesive, the amount of preparation of adhesive is 40～50kg/ buckets, then adhesive is stirred formed
The flowing of swirl type, will dilute complete antistatic additive being poured in adhesive slowly, and antistatic additive is according to adhesive
Solid content ratio adds 1-10%, is stirred until homogeneous after interpolation, adds solidification subsequently in the Anti-static adhesive of preparation
Agent, firming agent slowly pours in adhesive, and adhesive is 100:0.3-100:2 with the ratio of firming agent, continues after interpolation
Stirring；
S4, after step S2 completes, immediately on completed priming coat be coated with antistatic glue-line, during gluing, optional step S3 is joined
System Anti-static adhesive, adhesive relative to the solid content of antistatic glue-line be 15～35%, viscosity be 1000～3000cps,
Selecting scraper for coating equipment to be coated for glue-line, scraper for coating equipment uses knife coating i.e. to be driven base material warp by gum wheel
Cross glue groove, then through the scraper set, scraper is that thickness is arranged with the gap of gum wheel, the temperature in heat cure baking oven tunnel
Degree setting is followed successively by 60 ± 5/ 75 ± 5/ 90 ± 5/ 100 ± 5/ 110 ± 5/ 90 ± 5 DEG C, and glue thickness is set as 10um ~ 20um,
Machine speed is set as 10 ~ 25m/Min；
S5, antistatic glue-line is combined with mould release membrance, completes processing, detect, detect qualified after send to packaging.
Production method the most according to claim 4, it is characterised in that the silane coupling agent in described step S2 selects Primer94
Type mixing glue.
Production method the most according to claim 5, it is characterised in that the solid content of Primer 94 is 6.5%.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN104943256A (en) * | 2015-06-07 | 2015-09-30 | 安徽华美高分子材料科技有限公司 | Antistatic macromolecule protective film and production method thereof |
| CN104960261A (en) * | 2015-06-08 | 2015-10-07 | 安徽美腾特种电缆材料有限公司 | Antistatic high-molecular protection film and production method thereof |
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| JP2011225796A (en) * | 2010-04-01 | 2011-11-10 | Toyo Ink Sc Holdings Co Ltd | Antistatic coating composition |
| CN102732175A (en) * | 2012-06-28 | 2012-10-17 | 昆山市诚泰电气股份有限公司 | Anti-static and anti-bubble protection film |
| CN103862773A (en) * | 2014-03-07 | 2014-06-18 | 宜兴市王者塑封有限公司 | Efficient anti-static composite film with heat sealability |
| CN104553114A (en) * | 2014-12-28 | 2015-04-29 | 太仓金煜电子材料有限公司 | Antistatic high molecular protective film and production method thereof |
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| CN104960261A (en) * | 2015-06-08 | 2015-10-07 | 安徽美腾特种电缆材料有限公司 | Antistatic high-molecular protection film and production method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109705383A (en) * | 2018-12-18 | 2019-05-03 | 合肥乐凯科技产业有限公司 | A kind of electrostatic prevention film |
| CN109705383B (en) * | 2018-12-18 | 2022-03-18 | 合肥乐凯科技产业有限公司 | Anti-static film |
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