CN106497446A - A kind of preparation method of adhesive tape - Google Patents
A kind of preparation method of adhesive tape Download PDFInfo
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- CN106497446A CN106497446A CN201610984775.6A CN201610984775A CN106497446A CN 106497446 A CN106497446 A CN 106497446A CN 201610984775 A CN201610984775 A CN 201610984775A CN 106497446 A CN106497446 A CN 106497446A
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- sensitive adhesive
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- adhesive layer
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J125/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Adhesives based on derivatives of such polymers
- C09J125/02—Homopolymers or copolymers of hydrocarbons
- C09J125/16—Homopolymers or copolymers of alkyl-substituted styrenes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J145/00—Adhesives based on homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic system; Adhesives based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J193/00—Adhesives based on natural resins; Adhesives based on derivatives thereof
- C09J193/04—Rosin
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/35—Heat-activated
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/40—Adhesives in the form of films or foils characterised by release liners
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
Abstract
The present invention provides a kind of preparation method of adhesive tape, it is characterised in that comprise the following steps：Heat-sensitive glue is coated the first mould release membrance, is dried, form release film layer and heat sensitive adhesive layer；Pressure sensitive adhesive is fitted in the pressure-sensitive adhesive layer of the second mould release membrance with coating the second mould release membrance and formed, is dried, base material is fitted with pressure-sensitive adhesive layer；By the second mould release membrance with pressure-sensitive adhesive layer is peeled off, while fit with heat sensitive adhesive layer, form release film layer, the adhesive tape that heat sensitive adhesive layer, pressure-sensitive adhesive layer and substrate layer are fitted successively.The present invention can prepare the adhesive tape that bubble or the marking are produced when can be reduced parcel shell, improve processing procedure protected effect and avoid heat sensitive adhesive layer heating laminating, cooling from there is cull after peeling off.
Description
【Technical field】
A kind of the present invention relates to adhesive area, more particularly to preparation method of processing procedure protection adhesive tape.
【Background technology】
With the fast development of electronic product, all-metal integration fuselage is one of element most popular at present.Quan Jin
Category integral machine body in process will through a series of surface treatment, such as polishing, plating, spraying, etch, radium-shine etc. one
Serial complicated technique.These processes are necessary to need a material to carry out process protection to which, it is to avoid other non-processing positions
Scratch, damage.
At present, typically using protecting film such as PET protection film, PE protecting film, PVC protecting film, OPP protecting film to non-processing portion
Dividing carries out processing procedure protection.But, PET protection film is harder due to base material PET, it is impossible to stick turning and radian position well, no
Effective processing procedure protection can be played；And although PE protecting film, PVC protecting film, OPP protecting film base materials are softer, as glue-line has
There is pressure-sensitive, turning and radian position can not be perfectly sticked in the process of sticking, cause alveolate residual, so through one be
The processing of row technique is peeled off protecting film and regrets having the bubble marking to remain, and affects product appearance and yield.By taking i Phone shell as an example,
Inside the shell as excessive turning and radian cause general protecting film completely cannot wrap up in the course of processing, so as to cause
Product yield is relatively low.
For problem above, new production technology is developed in present market in urgent need, is turned with obtaining can wrapping up shell well
The processing procedure protection adhesive tape at angle and radian position.
【Content of the invention】
It is an object of the invention to provide a kind of preparation method of adhesive tape, to obtain wrapping up shell turning and radian
Processing procedure protection adhesive tape, improves processing procedure protected effect.The technical scheme is that：
A kind of preparation method of adhesive tape, it is characterised in that comprise the following steps：Heat-sensitive glue is coated the first mould release membrance,
Dry, form release film layer and heat sensitive adhesive layer；Pressure sensitive adhesive is fitted in the second mould release membrance with the formation of the second mould release membrance is coated
Pressure-sensitive adhesive layer, dries, base material is fitted with pressure-sensitive adhesive layer；By the second mould release membrance with pressure-sensitive adhesive layer is peeled off, while and heat-sensitive glue
Layer laminating, the adhesive tape that formation release film layer, heat sensitive adhesive layer, pressure-sensitive adhesive layer and substrate layer are fitted successively.The method can be obtained
The adhesive tape that bubble or the marking are produced when parcel shell is reduced, and the making technology conventional compared to integrated casing, Ke Yiti
The yield of high 10%-30%；Inviscid in laminating initial stage heat sensitive adhesive layer, heated rear heat sensitive adhesive layer peel strength is improved, and is reached
The effect of fixed and protection.
Further, the preparation method of above-mentioned adhesive tape also includes winding step, for the material of more preferable docile different layers,
And web-like winds, it is possible to reduce the storage location of product and be easy to hanging placement.
Further, the preparation method of above-mentioned adhesive tape also includes maturation stage, makes gluing oxidant layer carry out the reaction in later stage, and
And ensure the stability in adhesive later stage.
Further, the rubberization thickness of above-mentioned pressure sensitive adhesive and/or heat-sensitive glue is 5～20 μm, adhesion strength after 5 μm of high temperature of ＜
Relatively low, easily disengage, after 20 μm of high temperature of ＞, adhesion strength is too high, has cull to pollute, or even be difficult to peel off after causing to peel off.
Further, the coating speed of above-mentioned pressure sensitive adhesive and/or heat-sensitive glue is 10-40m/min, less than the speed of 10m/min
Degree is less efficient, increased production cost, and the speed higher than 40m/min is dried not exclusively, causes the performance of product bad.
Further, above-mentioned pressure sensitive adhesive and/or heat-sensitive glue need to be dried through the time of 1-8min between 40-120 DEG C.Cause
It is baking oven typically in 30m or so, according to the change of speed, the dry time can be adjusted, this interval can not only meets gluing
The drying regime of agent, while production efficiency can also be met, controls cost.
Further, above-mentioned pressure sensitive adhesive by the one kind in polyurethane contact adhesive, acrylate pressure sensitive adhesive and rubber pressure sensitive glue or
Several compositions, such pressure sensitive adhesive heatproof humidity stable performance, and to the adherence of material preferably, appropriate pressure can and material
Expect easily bonding.
Further, above-mentioned heat-sensitive glue is made up of the component for including following parts by weight：S-B-S
Rubber elastomer 40-50 parts, terpenes and/or rosin tackifying resin 50-60 parts, softening agent 0-5 parts, antioxidant 0-10 parts.This
The heat-sensitive glue that formula is made is temperature sensitive, can reach the effect of fixed protection under certain heat, and can after cooling down
Easily to peel off, it is easy to use and operates.
Further, above-mentioned heat-sensitive glue is prepared by the following method：Rubber elastomer, tackifying resin are dissolved to form rubber
Slurry, resin slurry, add softening agent, plasticizer, antioxygen during the rubber solutions and resin solution are added to agitating device
Agent, dissolves and stirs into the thick liquid of stable homogeneous, and this kind of addition manner can be such that various materials preferably dissolve.
Further, the solid content of above-mentioned rubber solutions and/or resin solution is 40～60%, the viscosity in this interval
And solid content is more suitable for being coated with, not only levelability is more preferable, and the interval adjustable scope of thickness is wide.
The present invention has following beneficial technique effect：
The present invention can be obtained with the material such as softer PE, PVC, PBT, poly ester urethane, PP, TPU as base material while having
Heat-sensitive layer and the adhesive tape of varistor layer, laminating initial stage are inviscid, are sticked material on the inside of shell by vac sorb, are subsequently heated liter
Temperature, when temperature is promoted to base material softening temperature, base material starts to soften and colloid is still inviscid, softer now by vac sorb
Base material and glue-line contacted with turning and radian position well, continue intensification colloid start produce viscosity, adhesive tape energy after cooling
Case inside is sticked on well, so as to avoid the scuffing to other positions or damage in subsequent technique, mutually technique than ever：
Parcel and protected area improve 10-25%, and the incidence rate for pasting bubble reduces 15-40%, while technology difficulty is reduced, yield
10%-30% can be improved；；The present invention is obtained by the way of two-layer laminating, it is to avoid heat sensitive adhesive layer heating laminating, cooling are peeled off
There is cull afterwards；The present invention improves the cohesive force between heat-sensitive glue and base material by pressure-sensitive adhesive layer, solves initial temperature-sensitive
The problem that glue cannot be fitted with base material, and ensure which in use without degumming and segregation phenomenon；The present invention is using double-deck patch
Technique is closed, the pressure-sensitive adhesive layer structure generation process mutually laminating with heat sensitive adhesive layer is simple, and yield is high and cost is relatively low.
【Description of the drawings】
Fig. 1 is the structural representation of the adhesive tape of the present invention.
Description of symbols：1, release film layer；2, heat sensitive adhesive layer；3, pressure-sensitive adhesive layer；4, substrate layer.
【Specific embodiment】
Below in conjunction with specific embodiment, the present invention is described further.
Embodiment provided below is simultaneously not used to limit the scope covered by the present invention, and described step is nor use
To limit its execution sequence.Those skilled in the art do conspicuously improved with reference to existing common knowledge to the present invention, also fall
Enter within the protection domain of application claims.
Embodiment one
A kind of preparation method of adhesive tape, follows the steps below：
1) preparation of pressure sensitive adhesive：Respectively by 50 parts of alkyl methacrylates, the methacrylate copolymers of 2 parts of hydroxyls
Thing and 30 parts of tackifying resin toluene and ethyl acetate as solvent, carry out reacting the slurry to form that solid content is 45%, plus
In entering to agitating device, 1.5 parts of isocyanate curing agent is added, dissolve and stir into the thick liquid of stable homogeneous, formed
Solid content is 45% acrylate pressure sensitive adhesive liquid.
2) preparation of heat-sensitive glue：Respectively 45 parts of rubber elastomers and 55 parts of tackifying resins are dissolved and to form solid content for 50%
Slurry, in adding to agitating device, add 2 parts of softening agent, 5 parts of antioxidant, dissolve and stir into the sticky of stable homogeneous
Liquid.Specifically, rubber elastomer is styrene butadiene styrene block copolymer (SBS), and tackifying resin is terpene resin, soft
Agent is alkane paraffin, and antioxidant is 2,6 ditertiary butyl p cresol (antioxidant 264).
3) obtained acrylate pressure sensitive adhesive with 400 mesh filter screen filtrations and is stood 30min, is coated with comma axle release
Film layer upper surface, rubberization thickness are 15 μm, and oven temperature is set to 50 DEG C, 60 DEG C, 80 DEG C, 100 DEG C, 120 DEG C, 110 DEG C, 100 DEG C,
Coating speed is 15-30m/min, fits with base material corona surface and batch after drying, and forms pressure-sensitive adhesive layer 3 and substrate layer 4.
4) heat-sensitive glue with 400 mesh filter screen filtrations and is stood 30min, mould release membrance, rubberization thickness is coated with comma axle
For 5 μm, oven temperature is set to 50 DEG C, 60 DEG C, 80 DEG C, 100 DEG C, 120 DEG C, 110 DEG C, 100 DEG C, and coating speed is 15-30m/
Min, after drying completely, forms heat sensitive adhesive layer 2 and release film layer 1, by heat sensitive adhesive layer 2 and the pressure-sensitive adhesive layer 3 that peels off after mould release membrance
Laminating, is placed in ripening under uniform temperature after the completion of winding, form release film layer 1, heat sensitive adhesive layer 2, pressure-sensitive adhesive layer 3 and substrate layer 4
The adhesive tape that fits successively.
Embodiment two
1) preparation of pressure sensitive adhesive：Respectively by the methacrylate of 75 parts of alkyl methacrylates, 1.2 parts of hydroxyls altogether
Polymers and 40 parts of tackifying resin toluene and ethyl acetate as solvent, carry out reacting the slurry to form that solid content is 50%,
In adding to agitating device, 2 parts of isocyanate curing agent is added, dissolve and stir into the thick liquid of stable homogeneous, formed
Solid content is 50% acrylate pressure sensitive adhesive liquid.
2) preparation of heat-sensitive glue：Respectively 50 parts of rubber elastomers and 60 parts of tackifying resins are dissolved and to form solid content for 50%
Slurry, in adding to agitating device, add 1 part of softening agent, 10 parts of antioxidant, dissolve and stir into the sticky of stable homogeneous
Liquid.Specifically, rubber elastomer is styrene butadiene styrene block copolymer (SBS), and tackifying resin is rosin resin, soft
Agent is alkane paraffin, and antioxidant is 2,6 ditertiary butyl p cresol (antioxidant 264).
3) obtained acrylate pressure sensitive adhesive with 300 mesh filter screen filtrations and is stood 35min, is coated with comma axle release
Film layer upper surface, rubberization thickness are 15 μm, and oven temperature is set to 50 DEG C, 70 DEG C, 80 DEG C, 100 DEG C, 120 DEG C, 120 DEG C, 100 DEG C,
Coating speed is 15-30m/min, fits with base material corona surface and batch after drying, and forms pressure-sensitive adhesive layer 3 and substrate layer 4.
4) heat-sensitive glue with 300 mesh filter screen filtrations and is stood 35min, mould release membrance, rubberization thickness is coated with comma axle
For 10 μm, oven temperature is set to 50 DEG C, 70 DEG C, 80 DEG C, 100 DEG C, 120 DEG C, 120 DEG C, 100 DEG C, and coating speed is 15-30m/
Min, after drying completely, forms heat sensitive adhesive layer 2 and release film layer 1, by heat sensitive adhesive layer 2 and the pressure sensitive adhesive that peels off after the first mould release membrance
Layer 3 is fitted, and is placed in ripening under uniform temperature after the completion of winding, forms release film layer 1, heat sensitive adhesive layer 2, pressure-sensitive adhesive layer 3 and base material
The adhesive tape that layer 4 is fitted successively.
Embodiment three
1) preparation of pressure sensitive adhesive：Respectively by the methacrylate of 90 parts of alkyl methacrylates, 0.2 part of hydroxyl altogether
Polymers and 35 parts of tackifying resin toluene and ethyl acetate as solvent, carry out reacting the slurry to form that solid content is 45%,
In adding to agitating device, 3 parts of isocyanate curing agent is added, dissolve and stir into the thick liquid of stable homogeneous, formed
Solid content is 45% acrylate pressure sensitive adhesive liquid.
2) preparation of heat-sensitive glue：Respectively 40 parts of rubber elastomers and 50 parts of tackifying resins are dissolved and to form solid content for 50%
Slurry, in adding to agitating device, add 5 parts of softening agent, 1 part of antioxidant, dissolve and stir into the sticky of stable homogeneous
Liquid.Specifically, rubber elastomer is styrene butadiene styrene block copolymer (SBS), and tackifying resin is terpene resin, soft
Agent is alkane paraffin, and antioxidant is 2,2'- di-2-ethylhexylphosphine oxides (4- methyl-6-tert butyl phenol) (antioxidant 2246).
3) obtained acrylic type pressure sensitive adhesive with 500 mesh filter screen filtrations and is stood 25min, with comma axle coat from
Type film layer upper surface, rubberization thickness be 18 μm, oven temperature be set to 50 DEG C, 60 DEG C, 80 DEG C, 110 DEG C, 120 DEG C, 110 DEG C, 90
DEG C, coating speed is 15-30m/min, fits with base material corona surface and batch after drying, and forms pressure-sensitive adhesive layer 3 and substrate layer 4.
4) heat-sensitive glue with 500 mesh filter screen filtrations and is stood 25min, mould release membrance, rubberization thickness is coated with comma axle
For 8 μm, oven temperature is set to 50 DEG C, 60 DEG C, 80 DEG C, 110 DEG C, 120 DEG C, 110 DEG C, 90 DEG C, and coating speed is 15-30m/
Min, after drying completely, forms heat sensitive adhesive layer 2 and release film layer 1, by heat sensitive adhesive layer 2 and the pressure sensitive adhesive that peels off after the first mould release membrance
Layer 3 is fitted, and is placed in ripening under uniform temperature after the completion of winding, forms release film layer 1, heat sensitive adhesive layer 2, pressure-sensitive adhesive layer 3 and base material
The adhesive tape that layer 4 is fitted successively.
Example IV
1) preparation of pressure sensitive adhesive：Respectively 42 parts of rubber elastomers and 100 parts of tackifying resins are dissolved and to be formed solid content and is
55% slurry, in adding to agitating device, adds 3 parts of softening agent, 8 parts of antioxidant, dissolves and stir into stable homogeneous
Thick liquid.
Specifically, rubber elastomer is styrene ethylene-propylene-styrene block copolymer, and tackifying resin is poly- a- first
Base styrene resin, softening agent is microcrystalline wax, antioxidant be 2,6 ditertiary butyl p cresol (antioxidant 264), four [β-(3,
5- di-tert-butyl-hydroxy phenyls) propanoic acid] pentaerythritol ester (antioxidant 1010) in mass ratio 1:1 mixture.
2) preparation of heat-sensitive glue：Respectively 42 parts of rubber elastomers and 53 parts of tackifying resins are dissolved and to form solid content for 50%
Slurry, in adding to agitating device, add 5 parts of softening agent, 10 parts of antioxidant, dissolve and stir into the sticky of stable homogeneous
Liquid.Specifically, rubber elastomer is styrene butadiene styrene block copolymer (SBS), and tackifying resin is terpene resin, soft
Agent is alkane paraffin, and antioxidant is 2,2'- di-2-ethylhexylphosphine oxides (4- methyl-6-tert butyl phenol) (antioxidant 2246).
3) obtained rubber pressure-sensitive adhesive with 450 mesh filter screen filtrations and is stood 30min, is coated with comma axle release
Film layer upper surface, rubberization thickness are 15 μm, and oven temperature is set to 50 DEG C, 60 DEG C, 90 DEG C, 100 DEG C, 120 DEG C, 110 DEG C, 100 DEG C,
Coating speed is 15-30m/min, fits with base material corona surface and batch after drying, and forms pressure-sensitive adhesive layer 3 and substrate layer 4.
4) heat-sensitive glue with 400 mesh filter screen filtrations and is stood 30min, mould release membrance, rubberization thickness is coated with comma axle
For 5 μm, oven temperature is set to 50 DEG C, 60 DEG C, 80 DEG C, 100 DEG C, 120 DEG C, 120 DEG C, 100 DEG C, and coating speed is 15-30m/
Min, after drying completely, forms heat sensitive adhesive layer 2 and release film layer 1, by heat sensitive adhesive layer 2 and the pressure sensitive adhesive that peels off after the first mould release membrance
Layer 3 is fitted, and is placed in ripening under uniform temperature after the completion of winding, forms release film layer 1, heat sensitive adhesive layer 2, pressure-sensitive adhesive layer 3 and base material
The adhesive tape that layer 4 is fitted successively.
Embodiment five
1) preparation of pressure sensitive adhesive：Respectively 40 parts of rubber elastomers and 120 parts of tackifying resins are dissolved and to be formed solid content and is
55% slurry, in adding to agitating device, adds 1.5 parts of softening agent, 7 parts of antioxidant, dissolves and stir into stable homogeneous
Thick liquid.
Specifically, rubber elastomer is styrene ethylene-propylene-styrene block copolymer, and tackifying resin is poly- a- first
Base styrene resin, softening agent is microcrystalline wax, antioxidant be 2,6 ditertiary butyl p cresol (antioxidant 264), four [β-(3,
5- di-tert-butyl-hydroxy phenyls) propanoic acid] pentaerythritol ester (antioxidant 1010) in mass ratio 1:1 mixture.
2) preparation of heat-sensitive glue：Respectively 42 parts of rubber elastomers and 53 parts of tackifying resins are dissolved and to form solid content for 50%
Slurry, in adding to agitating device, add 5 parts of softening agent, 10 parts of antioxidant, dissolve and stir into the sticky of stable homogeneous
Liquid.Specifically, rubber elastomer is styrene butadiene styrene block copolymer (SBS), and tackifying resin is terpene resin, soft
Agent is alkane paraffin, and antioxidant is 2,2'- di-2-ethylhexylphosphine oxides (4- methyl-6-tert butyl phenol) (antioxidant 2246).
3) rubber-like pressure sensitive adhesive with 200 mesh filter screen filtrations and is stood 30min, mould release membrance is coated with comma axle release
Face, rubberization thickness are 20 μm, and oven temperature is set to 50 DEG C, 60 DEG C, 80 DEG C, 100 DEG C, 120 DEG C, 110 DEG C, 100 DEG C, coating speed
Spend for 15-30m/min, fit with base material corona surface after drying and batch, formation pressure-sensitive adhesive layer 3 and substrate layer 4.
4) heat-sensitive glue with 400 mesh filter screen filtrations and is stood 30min, mould release membrance, rubberization thickness is coated with comma axle
For 8 μm, oven temperature is set to 50 DEG C, 60 DEG C, 80 DEG C, 100 DEG C, 120 DEG C, 110 DEG C, 100 DEG C, and coating speed is 15-30m/
Min, after drying completely, forms heat sensitive adhesive layer 2 and release film layer 1, by heat sensitive adhesive layer 2 and the pressure sensitive adhesive that peels off after the first mould release membrance
Layer 3 is fitted, and is placed in ripening under uniform temperature after the completion of winding, forms release film layer 1, heat sensitive adhesive layer 2, pressure-sensitive adhesive layer 3 and base material
The adhesive tape that layer 4 is fitted successively.
Embodiment six
1) preparation of pressure sensitive adhesive：Respectively 60 parts of rubber elastomers and 150 parts of tackifying resins are dissolved and to be formed solid content and is
55% slurry, in adding to agitating device, adds 1 part of softening agent, 8 parts of antioxidant, dissolves and stir into stable homogeneous
Thick liquid.
Specifically, rubber elastomer is styrene ethylene-propylene-styrene block copolymer, and tackifying resin is poly- a- first
Base styrene resin, softening agent is microcrystalline wax, antioxidant be 2,6 ditertiary butyl p cresol (antioxidant 264), four [β-(3,
5- di-tert-butyl-hydroxy phenyls) propanoic acid] pentaerythritol ester (antioxidant 1010) in mass ratio 1:1 mixture.
2) preparation of heat-sensitive glue：Respectively 50 parts of rubber elastomers and 60 parts of tackifying resins are dissolved and to form solid content for 50%
Slurry, in adding to agitating device, add 3 parts of softening agent, 9 parts of antioxidant, dissolve and stir into the sticky of stable homogeneous
Liquid.Specifically, rubber elastomer is styrene butadiene styrene block copolymer (SBS), and tackifying resin is terpene resin, soft
Agent is alkane paraffin, and antioxidant is 2,2'- di-2-ethylhexylphosphine oxides (4- methyl-6-tert butyl phenol) (antioxidant 2246).
3) rubber-like pressure sensitive adhesive with 300 mesh filter screen filtrations and is stood 30min, mould release membrance is coated with comma axle release
Face, rubberization thickness are 18 μm, and oven temperature is set to 50 DEG C, 60 DEG C, 80 DEG C, 100 DEG C, 120 DEG C, 110 DEG C, 100 DEG C, coating speed
Spend for 15-30m/min, fit with base material corona surface after drying and batch, formation pressure-sensitive adhesive layer 3 and substrate layer 4.
4) heat-sensitive glue with 400 mesh filter screen filtrations and is stood 30min, mould release membrance, rubberization thickness is coated with comma axle
For 10 μm, oven temperature is set to 50 DEG C, 60 DEG C, 80 DEG C, 100 DEG C, 120 DEG C, 110 DEG C, 100 DEG C, and coating speed is 15-30m/
Min, after drying completely, forms heat sensitive adhesive layer 2 and release film layer 1, by heat sensitive adhesive layer 2 and the pressure sensitive adhesive that peels off after the first mould release membrance
Layer 3 is fitted, and is placed in ripening under uniform temperature after the completion of winding, forms release film layer 1, heat sensitive adhesive layer 2, pressure-sensitive adhesive layer 3 and base material
The adhesive tape that layer 4 is fitted successively.
Claims (10)
1. a kind of preparation method of adhesive tape, it is characterised in that comprise the following steps：Heat-sensitive glue is coated the first mould release membrance, is done
Dry, form release film layer (1) and heat sensitive adhesive layer (2)；Pressure sensitive adhesive is coated the formation of the second mould release membrance and fits in the second mould release membrance
Pressure-sensitive adhesive layer (3), dry, base material is fitted with pressure-sensitive adhesive layer (3)；Peel off by the second mould release membrance and by pressure-sensitive adhesive layer (3), with
When fit with heat sensitive adhesive layer (2), form release film layer (1), heat sensitive adhesive layer (2), pressure-sensitive adhesive layer (3) and substrate layer (4) and paste successively
The adhesive tape of conjunction.
2. the preparation method of adhesive tape according to claim 1, it is characterised in that also include winding step.
3. the preparation method of adhesive tape according to claim 1, it is characterised in that also include maturation stage.
4. the preparation method of adhesive tape according to claim 1, it is characterised in that the painting of the pressure sensitive adhesive and/or heat-sensitive glue
Glue thickness is 5～20 μm.
5. the preparation method of adhesive tape according to claim 1 or 5, it is characterised in that the pressure sensitive adhesive and/or heat-sensitive glue
Coating speed is 10-40m/min.
6. the preparation method of adhesive tape according to claim 1, it is characterised in that the pressure sensitive adhesive and/or heat-sensitive glue need to be
Time between 40-120 DEG C through 1-8min dries.
7. the preparation method of adhesive tape according to claim 1, it is characterised in that the pressure sensitive adhesive be acrylate pressure sensitive adhesive and
One or more in rubber pressure sensitive glue.
8. the preparation method of adhesive tape according to claim 1, it is characterised in that the heat-sensitive glue is by including following weight portion
Several components are made：S-B-S rubber elastomer 40-50 parts, terpenes and/or rosin tackifying resin
50-60 parts, softening agent 0-5 parts, antioxidant 0-10 parts.
9. the preparation method of adhesive tape according to claim 8, it is characterised in that the heat-sensitive glue is made by the following method
Standby：Rubber elastomer, tackifying resin are dissolved to form rubber slurry, resin slurry, the rubber slurry and resin slurry are added
Softening agent, antioxidant are added in entering to agitating device, the thick liquid of stable homogeneous is dissolved and stir into.
10. the preparation method of adhesive tape according to claim 9, it is characterised in that the rubber solutions and/or resin solution
Solid content be 40～60%.
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| CN108977115A (en) * | 2018-08-01 | 2018-12-11 | 深圳日高胶带新材料有限公司 | A kind of waterborne polyurethane pressure-sensitive adhesives and the preparation method and application thereof |
| WO2021036029A1 (en) * | 2019-08-30 | 2021-03-04 | 苏州高泰电子技术股份有限公司 | Pressure-sensitive adhesive attaching device and attaching method |
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