CN115216233A - EB (Epstein-Barr) cured PVC (polyvinyl chloride) adhesive tape and preparation process thereof - Google Patents
EB (Epstein-Barr) cured PVC (polyvinyl chloride) adhesive tape and preparation process thereof Download PDFInfo
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- CN115216233A CN115216233A CN202210686588.5A CN202210686588A CN115216233A CN 115216233 A CN115216233 A CN 115216233A CN 202210686588 A CN202210686588 A CN 202210686588A CN 115216233 A CN115216233 A CN 115216233A
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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
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/245—Vinyl resins, e.g. polyvinyl chloride [PVC]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
- B05C11/1015—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to a conditions of ambient medium or target, e.g. humidity, temperature ; responsive to position or movement of the coating head relative to the target
- B05C11/1018—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to a conditions of ambient medium or target, e.g. humidity, temperature ; responsive to position or movement of the coating head relative to the target responsive to distance of target
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/068—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using ionising radiations (gamma, X, electrons)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
- B05D7/04—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber to surfaces of films or sheets
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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
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/35—Heat-activated
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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
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
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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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
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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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
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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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/304—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being heat-activatable, i.e. not tacky at temperatures inferior to 30°C
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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
- C09J2427/00—Presence of halogenated polymer
- C09J2427/006—Presence of halogenated polymer in the substrate
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention relates to the field of B32B37/12, in particular to an EB (Epstein-Barr) curing PVC (polyvinyl chloride) adhesive tape and a preparation process thereof. EB curing PVC tape comprising a radiation curable hot melt pressure sensitive adhesive layer and a PVC film layer in contact. According to the preparation process of the EB curing PVC adhesive tape, the production method of EB cross-linking curing is adopted, the PVC adhesive tape coating is cured by adopting the electron beam accelerator, the electron beam accelerator replaces an oven used for curing the PVC adhesive tape coating in the traditional process, the general problems of poor environmental protection, high energy consumption and large occupied area of coating equipment in the existing PVC adhesive tape production process are solved, the occupied area of the used coating equipment is small, the labor required by operation is less, and the production efficiency can be greatly improved.
Description
Technical Field
The invention relates to the field of B32B37/12, in particular to an EB (Epstein-Barr) curing PVC (polyvinyl chloride) adhesive tape and a preparation process thereof.
Background
The current PVC adhesive tapes are prepared by directly coating a solvent-type rubber pressure-sensitive adhesive on a PVC film, but the obtained PVC adhesive tapes are poor in environmental protection property due to the solvent-type rubber pressure-sensitive adhesive, so that the application of the PVC adhesive tapes is limited. In addition, the existing coating process has the defects of wide occupied area and high energy consumption. For example, taking our existing PVC tape coater as an example, 1 PVC coating line with a production speed of 50m/min has a length of 100 m and a width of 8 m. The total floor area is about 2000 m by adding supporting facilities such as a heating boiler, a solvent recovery device and the like 2 Total power requirement530KW is needed. Moreover, because the hot oil pipeline is long in conveying distance, the heat loss in the conveying process is particularly large (particularly in the winter in the north), so that the production cost is high, and the existing PVC tape coating process technology has the possibility and potential to be improved in terms of both environment friendliness and total energy consumption.
Disclosure of Invention
In view of the problems associated with the prior art, a first aspect of the present invention provides an EB-cured PVC tape comprising a radiation-curable hot melt pressure sensitive adhesive layer and a PVC film layer in contact.
In one embodiment, the radiation curable hot melt pressure sensitive adhesive layer material is a radiation curable hot melt pressure sensitive adhesive having a melt viscosity of 2500 to 3500cPs, preferably 3000cPs.
The melt viscosity is tested at a temperature of 140 ℃ in the present application.
The adhesive used in the industry at present is a rubber hot-melt pressure-sensitive adhesive, but the coating process is complex when the adhesive is used for film coating, and a direct coating method cannot be adopted. The applicant has surprisingly found that the use of a radiation-curable hot melt pressure sensitive adhesive not only allows direct coating on polyvinyl chloride film substrates at relatively low temperatures (130-150 ℃) without damaging the substrates, but also has good adhesion. The applicants believe that a possible reason is that the particular conditions of the radiation-curable hot melt pressure sensitive adhesive, when applied at 130-150 c, have the right flow film formation, increasing the flatness of the coating. Thus, the present application has significant advantages over the use of prior art adhesives having a melt viscosity of 2500 to 3500cPs at 140 ℃ as compared to the use of adhesives having 2500 to 3500cPs at 170 ℃.
The thickness of the PVC film layer and the radiation-curable hot-melt pressure-sensitive adhesive layer in the present application is not particularly limited, and those skilled in the art can make routine selections according to actual needs.
The second aspect of the invention provides a preparation process of the EB curing PVC adhesive tape, which comprises the following steps: directly hot-melting and coating the radiation hot-melt pressure-sensitive adhesive on the surface of a PVC film at 130-150 ℃, and performing EB curing to obtain the radiation hot-melt pressure-sensitive adhesive.
The coating mode of the radiation-curable hot-melt pressure-sensitive adhesive on the surface of the PVC film layer is not particularly limited, and the skilled person in the art can make routine selection.
In one embodiment, the coating weight of the radiation-curable hot-melt pressure-sensitive adhesive on the surface of the PVC film layer is 15-20g/m 2 。
The coating rate is preferably 20 to 50m/min, and examples thereof include 20m/min, 25m/min, 30m/min, 35m/min, 40m/min, 45m/min and 50m/min.
An EB curing PVC adhesive tape production device is shown in figure 1 and sequentially comprises an unreeling machine 1, an unreeling cloth storage machine 2, a coating device 3, an electronic accelerating device 4, a reeling cloth storage machine 6 and a reeling machine 7 from left to right.
In one embodiment, the EB-cured PVC tape production apparatus is provided with a two-roll cooling device 5 between the electronic acceleration device 4 and the take-up and storage device 6.
In one embodiment, the process for preparing the PVC tape comprises: installing a PVC film on an unreeling shaft of an unreeling machine, leading the PVC film out to a reeling shaft of a reeling machine sequentially through an unreeling cloth storage machine, a coating device, an electronic accelerating device and a reeling cloth storage machine, opening a cooling roller, enabling a coating head to be close to the PVC film, opening a glue pump switch, adjusting the distance between the coating head and a PVC film substrate, coating, adjusting the electron beam output radiation curing dose of an electron accelerator electron beam coating line according to the coating speed, and performing EB (electron beam) curing; wherein the temperature of the glue melting box is 130-140 ℃, and the temperature of the coating head is 130-150 ℃.
In one embodiment, the PVC film is installed on an unreeling shaft of an unreeling machine and led out to a reeling shaft of a reeling machine sequentially through an unreeling cloth storage machine, a coating device, an electronic accelerating device, a two-roller cooling device and a reeling cloth storage machine.
In one embodiment, the radiation cure dose is from 55 to 65KGY, preferably 60KGY.
The applicant unexpectedly finds that in the EB curing process of the application, the radiation curing agent amount is controlled within the range of the application, so that the adhesive force between the radiation-curable hot-melt pressure-sensitive adhesive layer and the PVC film layer can be improved, and meanwhile, the problem of unglued and unravelable is avoided.
In one embodiment, the distance between the coating head and the PVC film substrate is adjusted to 6-8mm, preferably 7mm.
The applicant finds that unexpectedly in experiments, when the distance between the coating head and the PVC film substrate is 6-8mm, the product yield is further improved, no defective products exist in the production process, the applicant considers that the possible reason is to control the distance within the range, the radiation hot-melt pressure-sensitive adhesive and the PVC film substrate have good adsorption force and combination acting force in the coating and curing process, meanwhile, the coating head brings the proper temperature to the PVC film substrate within the range of the distance, the film forming property and the adhesive force of the adhesive are improved, and the problems of uneven thickness and uneven curing of the adhesive layer, curling and wrinkling, degumming and waste product generation are avoided. And too big distance, not only the controllability of coating thickness is poor, and the excessive phenomenon of adhesive is obvious simultaneously, and the distance is too little, and the substrate is damaged, and bond-linkage thickness also can be influenced.
In addition, the thickness of the bonding layer after curing is ensured by the specific adhesive, coating speed, radiation curing dosage, the distance between the coating head and the PVC film substrate and the like, the problems of wrinkling and degumming are avoided after rolling, chain segments are broken possibly, the recombination property is good, and the curing uniformity is ensured.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the preparation process of the EB curing PVC adhesive tape, the production method of EB cross-linking curing is adopted, the PVC adhesive tape coating is cured by adopting the electron beam accelerator, the electron beam accelerator replaces an oven used for curing the PVC adhesive tape coating in the traditional process, the general problems of poor environmental protection, high energy consumption and large occupied area of coating equipment in the existing PVC adhesive tape production process are solved, the occupied area of the used coating equipment is small, the labor required by operation is less, and the production efficiency can be greatly improved.
(2) The preparation process of the EB curing PVC adhesive tape has the advantages of high curing speed, capability of finishing curing within 0.05-0.1s at the fastest speed, and capability of meeting the requirements of large-scale automatic production lines.
(3) The irradiation-free hot-melt pressure-sensitive adhesive does not contain a solvent, does not need to add a solvent recovery system in the coating process, has the advantages of environmental protection and energy conservation, and is a real green manufacturing process due to the fact that the curing process has no volatile organic solvent and no VOCs (volatile organic compounds) is discharged.
(4) The curing process has the advantages of low energy consumption, high production efficiency, small floor area of a factory building and clean environment.
(5) This application coating equipment has been equipped with polyvinyl chloride film substrate cooling system, has prevented that polyvinyl chloride film substrate from receiving electron beam irradiation and receiving destruction, the effectual polyvinyl chloride material of having protected makes its deformation and fold, shrink minimizing.
(5) EB curing coating is used, the adhesive is directly formed on the base material in a mode of initiating molecular chain polymerization through the radiation energy of an electron beam, and the characteristic of normal temperature and rapidness of EB curing can avoid damage to the heat-sensitive base material due to high temperature of heat curing.
Drawings
FIG. 1 shows an EB curing PVC adhesive tape production apparatus;
wherein, 1-unreeling machine; 2, unwinding a cloth storage machine; 3-a coating device; 4-an electron acceleration device; 5-two-roll cooling device; 6, rolling a cloth storage machine; 7-a winding machine.
Detailed Description
The present invention is illustrated by the following specific embodiments, but is not limited to the specific examples given below.
The irradiation-able hot-melt pressure-sensitive adhesive mentioned in the examples of the present application is prepared according to patent 202110536562.8, and the required melt viscosity is obtained by adjusting the material content.
Example 1
An EB curing PVC tape includes a radiation-curable hot melt pressure sensitive adhesive layer and a PVC film layer in contact. Wherein, the thickness of the PVC film layer is 77 μm, the width is 1300mm, the material of the radiation hot melt pressure sensitive adhesive layer is radiation hot melt pressure sensitive adhesive, the adhesive is prepared according to patent 202110536562.8, and the melt viscosity at 140 ℃ is 30000cPs. The coating thickness was 19 μm.
The preparation process of the EB curing PVC adhesive tape comprises the following steps:
installing a PVC film on an unreeling shaft of an unreeling machine, leading the PVC film out to a reeling shaft of a reeling machine sequentially through an unreeling cloth storage machine, a coating device, an electronic accelerating device and a reeling cloth storage machine, opening a cooling roller, enabling a coating head to be close to the PVC film, opening a glue pump switch, adjusting the distance between the coating head and a PVC film substrate to be 7mm, coating, wherein the coating speed is 40m/min, and adjusting the electron beam output radiation curing dose of an electron accelerator electron beam coating line to be 60KGY according to the coating speed to perform EB curing; wherein the temperature of the glue melting box is 135-140 ℃, and the temperature of the coating head is 140-145 ℃; the winding tension is 9.8NM, and the unwinding tension is 0.8NM; the voltage of EB curing equipment was 95KV.
The EB cured PVC tape obtained in this example was tested and the results are shown in table 1.
TABLE 1
According to the test results, the adhesive tape obtained in the embodiment meets the standard requirements according to the tests of GB/T2792-1998, GB/4852-1984 and GB/T4581-1988, and the high temperature resistance of the adhesive tape is excellent according to the evaluation of VW60360 (LV 312).
Example 2
An EB cured PVC tape was prepared in the same manner as in example 1, except that the radiation curable hot melt pressure sensitive adhesive was replaced with a hot melt adhesive having a melt viscosity of 30000cPs at 170 ℃.
The specific implementation manner of the preparation process of the EB curing PVC adhesive tape is the same as that of example 1.
The PVC adhesive tape obtained in the application is a residual product, and the PVC film is seriously deformed.
Example 3
An EB curing PVC tape, the specific embodiment of which is the same as that of example 1.
The specific implementation of the preparation process of the EB curing PVC adhesive tape is the same as that of example 1, except that the electron beam output dose of the electron beam coating line is adjusted to be 75KGY.
The adhesive tape obtained in the embodiment is a waste product, and has the phenomena of severe degumming and incapability of unwinding.
Example 4
An EB-cured PVC tape, according to the same manner as in example 1.
The specific implementation of the process for preparing the EB-cured PVC tape is the same as that in example 1, except that the electron beam output dose of the electron beam coating line is adjusted to 45KGY.
The adhesive tape obtained in the embodiment is a waste product, and has the phenomena of severe degumming and incapability of unwinding.
Example 5
An EB curing PVC tape, the specific embodiment of which is the same as that of example 1.
The specific implementation of the preparation process of the EB curing PVC adhesive tape is the same as that of example 1, except that the distance between the coating head and the PVC film substrate is adjusted to be 4mm.
The adhesive tape obtained by the application is a residual waste product, and a PVC film base material is broken.
Example 6
An EB curing PVC tape, the specific embodiment of which is the same as that of example 1.
The specific implementation of the preparation process of the EB curing PVC adhesive tape is the same as that of example 1, except that the distance between the coating head and the PVC film substrate is adjusted to be 10mm.
The adhesive tape obtained by the application is a waste product, the adhesive layer is not completely cured, and the phenomena of folding and degumming appear after rolling.
Claims (10)
1. An EB curing PVC adhesive tape is characterized by comprising a radiation-curable hot-melt pressure-sensitive adhesive layer and a PVC film layer which are in contact.
2. The EB cured PVC tape of claim 1 wherein the radiation curable hot melt pressure sensitive adhesive layer material is a radiation curable hot melt pressure sensitive adhesive having a melt viscosity at 140 ℃ of 2500 to 3500cPs.
3. The EB cured PVC tape of claim 2 wherein the radiation curable hot melt pressure sensitive adhesive has a melt viscosity of 3000cPs at 140 ℃.
4. A process for preparing EB cured PVC tape according to any one of claims 1 to 3, comprising: directly hot-melting and coating the radiation hot-melt pressure-sensitive adhesive on the surface of a PVC film at 130-150 ℃, and performing EB (Epstein-Barr) curing to obtain the radiation hot-melt pressure-sensitive adhesive.
5. The process for preparing EB-curing PVC adhesive tape according to claim 4, wherein the coating amount of the radiation-curable hot-melt pressure-sensitive adhesive on the surface of the PVC film layer is 15-20g/m 2 。
6. The process for preparing an EB curing PVC tape according to claim 5, wherein the coating rate of the radiation hot melt pressure sensitive adhesive is 20-50m/min.
7. The process for preparing an EB cured PVC tape according to claim 5 or 6, comprising: installing a PVC film on an unreeling shaft of an unreeling machine, leading the PVC film out to a reeling shaft of a reeling machine sequentially through an unreeling cloth storage machine, a coating device, an electronic accelerating device and a reeling cloth storage machine, opening a cooling roller, enabling a coating head to be close to the PVC film, opening a glue pump switch, adjusting the distance between the coating head and a PVC film substrate, coating, adjusting the electron beam output radiation curing dose of an electron accelerator electron beam coating line according to the coating speed, and performing EB (electron beam) curing; wherein the temperature of the glue melting box is 130-140 ℃, and the temperature of the coating head is 130-150 ℃.
8. The process for preparing an EB cured PVC tape according to claim 7, wherein the radiation cure dose is 55 to 65KGY.
9. The process for preparing an EB cured PVC tape according to claim 8, wherein the distance between the coating head and the PVC film substrate is adjusted to 6 to 8mm.
10. The process for preparing the EB-cured PVC adhesive tape according to claim 7, wherein the PVC film is installed on an unreeling shaft of an unreeling machine and is led out to a reeling shaft of a reeling machine sequentially through an unreeling cloth storage machine, a coating device, an electronic accelerating device, a two-roller cooling device and a reeling cloth storage machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210686588.5A CN115216233A (en) | 2022-06-16 | 2022-06-16 | EB (Epstein-Barr) cured PVC (polyvinyl chloride) adhesive tape and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210686588.5A CN115216233A (en) | 2022-06-16 | 2022-06-16 | EB (Epstein-Barr) cured PVC (polyvinyl chloride) adhesive tape and preparation process thereof |
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| CN115216233A true CN115216233A (en) | 2022-10-21 |
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|---|---|---|---|---|
| DE10163490A1 (en) * | 2001-12-21 | 2004-01-22 | Tesa Ag | A process for crosslinking of band-shaped material on a release liner by electron beam radiation useful for crosslinking adhesive tapes |
| CN1798818A (en) * | 2003-05-30 | 2006-07-05 | 3M创新有限公司 | Thermal interface materials and method of making thermal interface materials |
| CN105694750A (en) * | 2016-02-03 | 2016-06-22 | 河北华夏实业有限公司 | Production method of novel high-temperature-resistant polyvinyl chloride adhesive tape |
| CN108285749A (en) * | 2017-03-28 | 2018-07-17 | 天津普正动力科技有限公司 | Automotive wire bundle cures the cloth base gluing tapes and its manufacturing technology that hot-fusible pressure-sensitive adhesive manufactures with UV |
| CN114472084A (en) * | 2021-03-25 | 2022-05-13 | 亮线(上海)新材料科技有限公司 | Coating method and equipment of radiation-cured acrylate pressure-sensitive adhesive |
| CN114570608A (en) * | 2021-03-23 | 2022-06-03 | 河北益碧固化科技有限公司 | Electron accelerator radiation curing type acrylate pressure-sensitive adhesive coating machine |
-
2022
- 2022-06-16 CN CN202210686588.5A patent/CN115216233A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10163490A1 (en) * | 2001-12-21 | 2004-01-22 | Tesa Ag | A process for crosslinking of band-shaped material on a release liner by electron beam radiation useful for crosslinking adhesive tapes |
| CN1798818A (en) * | 2003-05-30 | 2006-07-05 | 3M创新有限公司 | Thermal interface materials and method of making thermal interface materials |
| CN105694750A (en) * | 2016-02-03 | 2016-06-22 | 河北华夏实业有限公司 | Production method of novel high-temperature-resistant polyvinyl chloride adhesive tape |
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