CN106753008A - A kind of preparation method for being vented glue and exhaust glue - Google Patents
A kind of preparation method for being vented glue and exhaust glue Download PDFInfo
- Publication number
- CN106753008A CN106753008A CN201611197461.8A CN201611197461A CN106753008A CN 106753008 A CN106753008 A CN 106753008A CN 201611197461 A CN201611197461 A CN 201611197461A CN 106753008 A CN106753008 A CN 106753008A
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- Prior art keywords
- glue
- preparation
- vented
- coating
- exhaust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- C09J133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
-
- 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
- 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
- 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
- C09J2301/124—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 on both sides of the carrier, e.g. double-sided adhesive tape
-
- 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
-
- 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
- C09J2433/00—Presence of (meth)acrylic polymer
-
- 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
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of exhaust glue of the preparation method and its making for being vented glue, the method includes that glue prepares, debugs the steps such as comma coater, apparatus parameter setting, coated on one side, the coating of the second face, curing.According to the method, the present invention also proposes a kind of exhaust glue, and the structure for being vented glue is followed successively by from top to bottom：Upper strata grid release liners, upper strata adhesive layer, PET base material layer, lower floor's adhesive layer.The preparation method of exhaust glue of the invention is simple, and the exhaust glue bond performance produced is good.
Description
Technical field
The present invention relates to chemical field, more particularly to a kind of preparation method for being vented glue and the exhaust produced with the method
Glue.
Background technology
With the rise of electron trade, the emergence of touch-screen industry is driven, for precise electronic product research and development, it is necessary to thin
The sticky effect of small gap is thinner more outstanding, is also that sticky product specialty tape is tested the most arduous epoch, more and more higher requirement
H grades of motor and transformer coil insulated wrapping, and increasingly panel of thinning etc., constantly specialty tape is proposed higher
Requirement.The ultra-thin PET base material double faced adhesive tapes of existing market fortune Ying Ersheng, PET base material one side glue, without base material double faced adhesive tape etc., pass through
Application and constantly improvement and innovation for many years, ultrathin double-face glue product is highly developed and stable, and is widely applied.But
Production requirement increasingly improve, harsh, requirement higher is proposed to materials'use aspect, thus needs one kind to be both satisfied with
Existing using effect, is easy to the New Grid exhaust glue that client uses again.
The content of the invention
The main object of the present invention be propose it is a kind of suitable for electronic product sealing exhaust glue preparation method, and use this
The exhaust glue that method is produced, it is intended to solve electronics in process of production, because laminating is uneven, causes the difference such as laminating gas, with
Done over again to product or the excessively high feelings Condition of fraction defective.
To achieve the above object, the preparation method of exhaust glue proposed by the present invention comprises the following steps：
Step one：Glue prepares, and the glutinous agent of solvent-type acrylic ester pressure-sensitive and its crosslinking copolymerization agent are mixed, wherein
The weight of the cross-linked dosage is the 0.5%-1% of glue weight, and standing 20min is stand-by after the completion of stirring, and is used in 3 hours
It is complete；
Step 2：Debugging comma coater, the glue material that will be stirred in the step one is imported in hopper through filtering,
And keep seven points of hopper full；
Step 3：：Apparatus parameter setting, presets coating temperature, air quantity, speed ratio, coating on the comma coater
Power, speed parameter, preset baking temperature on baking box；
Step 4：Coated on one side, unreels the transparent mould release membrance of volume ability shape from unwinding device, is coated with through the comma scraper
After the scraper of machine coats the glue prepared in step one, fitted with the lower floor of PET base material, then receipts are combined after the oven cooking cycle
It is rolled into semi-finished product coiled material；
Step 5：Second face is coated with, and the yellow embossed paper of volume ability shape is unreeled from unwinding device, is coated with through the comma scraper
After the scraper of machine coats the glue prepared in step one, fitted with the upper strata of PET base material, then receipts are combined after the oven cooking cycle
It is rolled into finished product coiled material；
Step 6：Finished product, after the completion of coating, is put into curing space and cured 24 hours by curing.
Preferably, the speed V of the mixing in the step one is 400-450R/min, and mixing time T is 30min.
Preferably, the yellow embossed paper in the step 5 is 110g yellow embossed papers.
Preferably, the baking temperature in the step 2 is 45 DEG C -105 DEG C.
Preferably, step 7 is further included after the step 6：Web material after curing, is divided into default by rewinding
Specification and be closely combined.
Preferably, further include that examination applies step between the step 3 and step 4：It is 5M-7M's that examination applies a segment length
Coating, and the semi-finished product coating traction of glue will be coated to drying in above-mentioned baking box and check；If inspection is qualified, continue step
Four；Otherwise, painting parameter is debugged, retrial of laying equal stress on applies step until inspection is qualified.
Preferably, the step 4 includes real-time test sub-step with step 5, is shut down if real-time test is unqualified
Debugging.
Preferably, the baking box is the baking box that six section baking spaces can individually control temperature.
According to the method, present invention further propose that a kind of be vented glue, the structure of the exhaust glue is followed successively by from top to bottom：On
Layer grid release liners, upper strata adhesive layer, PET base material layer, lower floor's adhesive layer.
Preferably, the upper strata grid release liners are 110g grid release liners, and upper strata adhesive layer and lower floor's adhesive layer are
Acrylate pressure-sensitive adhesive and its mixture of crosslinking copolymerization agent.
The preparation method of exhaust glue of the invention is simple, and the grid exhaust glue produced possesses that exhaust is fast, can paste repeatedly
And the features such as grid long duration.
Brief description of the drawings
Fig. 1 is that the present invention is vented the exhaust plastic structure schematic diagram that the preparation method of glue is produced.
Specific embodiment
Below in conjunction with accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that institute
The embodiment of description is only a part of embodiment of the invention, rather than whole embodiments.Based on the implementation in the present invention
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of protection of the invention.
If it is to be appreciated that relating to directionality instruction in the embodiment of the present invention（Such as up, down, left, right, before and after ...）,
Then directionality indicates to be only used for explaining in a certain particular pose（As shown in drawings）Under relative position relation between each part,
Motion conditions etc., if the particular pose changes, directionality indicates also correspondingly to change therewith.
The present invention proposes a kind of preparation method of adhesive tape, comprises the following steps：
Step one：Glue prepares, and the glutinous agent of solvent-type acrylic ester pressure-sensitive and its crosslinking copolymerization agent are mixed, wherein
The weight of the cross-linked dosage is the 0.5%-1% of glue weight, and standing 20min is stand-by after the completion of stirring, and is used in 3 hours
It is complete；
Step 2：Debugging comma coater, the glue material that will be stirred in the step one is imported in hopper through filtering,
And keep seven points of hopper full；
Step 3：：Apparatus parameter setting, presets coating temperature, air quantity, speed ratio, coating on the comma coater
Power, speed parameter, preset baking temperature on baking box；
Step 4：Coated on one side, unreels the transparent mould release membrance of volume ability shape from unwinding device, is coated with through the comma scraper
After the scraper of machine coats the glue prepared in step one, fitted with the lower floor of PET base material, then receipts are combined after the oven cooking cycle
It is rolled into semi-finished product coiled material；
Step 5：Second face is coated with, and the yellow embossed paper of volume ability shape is unreeled from unwinding device, is coated with through the comma scraper
After the scraper of machine coats the glue prepared in step one, fitted with the upper strata of PET base material, then receipts are combined after the oven cooking cycle
It is rolled into finished product coiled material；
Step 6：Finished product, after the completion of coating, is put into curing space and cured 24 hours by curing.
In actual applications, the problems such as being related to equipment debugging, product yield due to it, the step can be refined further such as
Following examples.Describe the implementation steps of preferred embodiment in detail with concrete numerical value, material etc. below：
Step one：Glue prepares, and the glutinous agent of solvent-type acrylic ester pressure-sensitive and its crosslinking copolymerization agent are mixed, and stirs
It is each 60-80KG to measure, and the design parameter that stirring is related to see the table below one；20min is stood after the completion of stirring stand-by, and in 3 hours
Inside it is finished；It is unspent to re-start mixing or abandon.
The parameter that the glue of table one prepares
Step 2：Coating apparatus prepare, and hopper, baffle plate are installed on comma coater, the glue that will be got ready in step one,
After 400 mesh steel wire net filtrations, import in hopper, and keep seven points of hopper full；Storage glue deposits when wherein hopper is coating
Storage device, baffle plate is from tape member, for controlling the width of glue coating on coating machine.Filtering be by glue screen pack, with
Ensure the cleanliness factor of glue.
Step 3：Apparatus parameter setting, presets coating temperature, air quantity, speed ratio, coating on the comma coater
The parameters such as tension force, speed, set baking temperature on baking box.Baking box wherein in this preferred embodiment is using with six section bakings
Space, the baking box that can individually control temperature.The purpose of baking is that toluene equal solvent contained in glue volatilizees away, finally multiple
Conjunction is wound into web form, for the attaching process in subsequent step.Parameter setting in this preferred embodiment see the table below two：
The oven temperature parameters of table two
The coating machine parameters of table three
| Project | Speed ratio | Tension force | Speed |
| Numerical value | 95-100% | 20-25kgf | 25-30M/min |
Step 4：Coated on one side, starts formal coating after the assay was approved, i.e., the glue on transparent mould release membrance is coated through scraper
After the glue prepared in step one, fitted with the lower floor of PET base material, PET is transferred to after the glue on transparent mould release membrance is toasted
On base material, then after the oven cooking cycle be combined be wound into semi-finished product coiled material.Glue surface, baking should be at any time checked in coating process
The phenomenons such as degree, rubberization thickness bubble.
Step 5：Second face is coated with, and after the first face is painted with, carries out the second face coating：The yellow embossed paper of volume ability shape
Unreeled from unwinding device, after coating the glue prepared in step one through the scraper of the comma coater, with PET base material
Upper strata is fitted, then is combined after the oven cooking cycle and is wound into finished product coiled material, and is checked.First face of preferred embodiment of the invention
Fitted with PET base material using the transparent mould release membrances of 25um；Pasted using 110g yellow embossing single silicon mold paper and PET base material in the second face
Close.
The technological parameter such as coating machine, baking box, glue and the first face coating process in the coating of second face it is identical：Carry out
Unreel, gluing, baking, after compound PET base material technique, form sandwich adhesive tape, be wound into coiled material, forming PET base material two sides has
The structure of glue.When finally winding, transparent mould release membrance of the first time after compound is peeled off, wind band one side 110g yellow embossings
The tape roll of paper.
Step 6：Curing, after the completion of coating, stops coating；The finished product that coating is completed is put into the curing 24 of curing space small
Shi Hou, is transferred to rewinding operation.
Step 7：Rewinding, is divided into the web material after curing the specification of needs, such as 1050mm width * 50M length
Small coiled strip, and material is closely combined, form the finished product on the more surface of flat smooth.
After typically having debugged parameter, i.e., after step 3, before step 4, examination should be carried out and apply step：Scraped using comma
It is the coating of 5M-7M that knife coating machine tries to apply a segment length on transparent mould release membrance, and is fitted with PET base material, then draws supreme
State drying in baking box；The painting for checking initial workpiece again is grown, Tu Kuan, gap, thickness etc. relevant parameter.Specific painting work is referred to
The operational manual of comma coater.Changed if the parameter of above-mentioned inspection does not meet technological requirement to meeting the requirements only,
The Tu Changke of such as volume production presses instruction sheet quantity, generally 4000M, and it is 1050MM to apply standard wide, and thickness range is 20-22um.
The technique of existing coating blade relevant device spreading glue is the gluing gimmick that those skilled in the art commonly use, can be according to
The suggestion of equipment specification is operated, and this patent is repeated no more.Wherein, by adjusting the position of coating blade, can change
Become the glue thickness smeared in coating.
According to the method, present invention further propose that a kind of exhaust glue, as shown in figure 1, the structure of the exhaust glue is from upper
Under be followed successively by：Upper strata grid release liners 1, upper strata adhesive layer 2, PET base material layer 3, lower floor's adhesive layer 2, the transparent mould release membrance 4 of bottom
Torn off when the second face is coated with rewinding.What the PET base material in the present invention referred to is polyester film PET base material commonly used in the art.
The preferred embodiments of the present invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every at this
Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly
It is included in scope of patent protection of the invention in other related technical fields.
Claims (10)
1. it is a kind of be vented glue preparation method, it is characterised in that：It comprises the following steps：
Step one：Glue prepares, and the glutinous agent of solvent-type acrylic ester pressure-sensitive and its crosslinking copolymerization agent are mixed, wherein
The weight of the cross-linked dosage is the 0.5%-1% of glue weight, and standing 20min is stand-by after the completion of stirring, and is used in 3 hours
It is complete；
Step 2：Debugging comma coater, the glue material that will be stirred in the step one is imported in hopper through filtering,
And keep seven points of hopper full；
Step 3：：Apparatus parameter setting, presets coating temperature, air quantity, speed ratio, coating on the comma coater
Power, speed parameter, preset baking temperature on baking box；
Step 4：Coated on one side, unreels the transparent mould release membrance of volume ability shape from unwinding device, is coated with through the comma scraper
After the scraper of machine coats the glue prepared in step one, fitted with the lower floor of PET base material, then receipts are combined after the oven cooking cycle
It is rolled into semi-finished product coiled material；
Step 5：Second face is coated with, and the yellow embossed paper of volume ability shape is unreeled from unwinding device, is coated with through the comma scraper
After the scraper of machine coats the glue prepared in step one, fitted with the upper strata of PET base material, then receipts are combined after the oven cooking cycle
It is rolled into finished product coiled material；
Step 6：Finished product, after the completion of coating, is put into curing space and cured 24 hours by curing.
2. the preparation method of glue is vented as claimed in claim 1, it is characterised in that：The speed of the mixing in the step one
Degree V is 400-450R/min, and mixing time T is 30min.
3. the preparation method of glue is vented as claimed in claim 1, it is characterised in that：Yellow embossed paper in the step 5 is
110g yellow embossed papers.
4. the preparation method of glue is vented as claimed in claim 1, it is characterised in that：Baking temperature in the step 2 is 45
℃-105℃。
5. the preparation method of glue is vented as claimed in claim 1, it is characterised in that：Step is further included after the step 6
Rapid seven：Web material after curing, is divided into default specification and is closely combined by rewinding.
6. the preparation method of glue is vented as claimed in claim 1, it is characterised in that：Enter one between the step 3 and step 4
Step includes that examination applies step：Try one segment length of painting and be the coating of 5M-7M, and the semi-finished product coating traction of glue will be coated to bake to above-mentioned
Dried in case and checked；If inspection is qualified, continue step 4；Otherwise, painting parameter is debugged, retrial of laying equal stress on applies step until inspection
Test qualified.
7. the preparation method of glue is vented as claimed in claim 1, it is characterised in that：The step 4 includes i.e. with step 5
When check sub-step, if real-time test is unqualified shut down debugging.
8. the preparation method of glue is vented as claimed in claim 1, it is characterised in that：The baking box is that six section baking spaces can be single
Solely control the baking box of temperature.
9. the exhaust glue that a kind of preparation method of the exhaust glue described in use claim 1-8 any one claims makes, its
It is characterised by：The structure of the exhaust glue is followed successively by from top to bottom：Upper strata grid release liners, upper strata adhesive layer, PET base material layer, under
Layer adhesive layer.
10. the preparation method of glue is vented as claimed in claim 9, it is characterised in that：The upper strata grid release liners are 110g
Grid release liners, upper strata adhesive layer and lower floor's adhesive layer are the mixing of acrylate pressure-sensitive adhesive and its crosslinking copolymerization agent
Thing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611197461.8A CN106753008A (en) | 2016-12-22 | 2016-12-22 | A kind of preparation method for being vented glue and exhaust glue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611197461.8A CN106753008A (en) | 2016-12-22 | 2016-12-22 | A kind of preparation method for being vented glue and exhaust glue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106753008A true CN106753008A (en) | 2017-05-31 |
Family
ID=58897449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611197461.8A Pending CN106753008A (en) | 2016-12-22 | 2016-12-22 | A kind of preparation method for being vented glue and exhaust glue |
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| CN (1) | CN106753008A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108219703A (en) * | 2017-12-25 | 2018-06-29 | 昆山汉品电子有限公司 | A kind of exhaust glued membrane production method and exhaust glued membrane |
| CN108239489A (en) * | 2018-02-01 | 2018-07-03 | 昆山汉品电子有限公司 | The manufacturing method of PET exhaust glued membranes and PET exhaust glued membranes |
| CN111718671A (en) * | 2020-06-19 | 2020-09-29 | 振德医疗用品股份有限公司 | High-moisture-permeability polyurethane pressure-sensitive adhesive for skin and use method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105670529A (en) * | 2016-01-25 | 2016-06-15 | 衡山县佳诚新材料有限公司 | Ultrathin buffer foam tape and production method thereof |
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2016
- 2016-12-22 CN CN201611197461.8A patent/CN106753008A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105670529A (en) * | 2016-01-25 | 2016-06-15 | 衡山县佳诚新材料有限公司 | Ultrathin buffer foam tape and production method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 杨玉昆等: "《压敏制品技术手册》", 30 September 2004, 化学工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108219703A (en) * | 2017-12-25 | 2018-06-29 | 昆山汉品电子有限公司 | A kind of exhaust glued membrane production method and exhaust glued membrane |
| CN108239489A (en) * | 2018-02-01 | 2018-07-03 | 昆山汉品电子有限公司 | The manufacturing method of PET exhaust glued membranes and PET exhaust glued membranes |
| CN108239489B (en) * | 2018-02-01 | 2023-06-23 | 昆山汉品电子有限公司 | Manufacturing method of PET (polyethylene terephthalate) exhaust adhesive film and PET exhaust adhesive film |
| CN111718671A (en) * | 2020-06-19 | 2020-09-29 | 振德医疗用品股份有限公司 | High-moisture-permeability polyurethane pressure-sensitive adhesive for skin and use method thereof |
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