CN107142038A - A kind of peelable waterproof foam tape and preparation method thereof - Google Patents

A kind of peelable waterproof foam tape and preparation method thereof Download PDF

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Publication number
CN107142038A
CN107142038A CN201710496604.3A CN201710496604A CN107142038A CN 107142038 A CN107142038 A CN 107142038A CN 201710496604 A CN201710496604 A CN 201710496604A CN 107142038 A CN107142038 A CN 107142038A
Authority
CN
China
Prior art keywords
layer
foam
waterproof
peelable
glue
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710496604.3A
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Chinese (zh)
Inventor
蔡金石
李响
金永光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Post High Polymer Technology Co Ltd
Original Assignee
Dongguan Post High Polymer Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongguan Post High Polymer Technology Co Ltd filed Critical Dongguan Post High Polymer Technology Co Ltd
Priority to CN201710496604.3A priority Critical patent/CN107142038A/en
Publication of CN107142038A publication Critical patent/CN107142038A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00Additional features of adhesives in the form of films or foils
    • C09J2301/10Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/12Additional 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
    • C09J2301/124Additional 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
    • C09J2301/1242Additional 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 the opposite adhesive layers being different
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00Additional features of adhesives in the form of films or foils
    • C09J2301/10Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/16Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00Additional features of adhesives in the form of films or foils
    • C09J2301/30Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
    • C09J2301/308Additional 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 tape or sheet losing adhesive strength when being stretched, e.g. stretch adhesive
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2400/00Presence of inorganic and organic materials
    • C09J2400/20Presence of organic materials
    • C09J2400/24Presence of a foam
    • C09J2400/243Presence of a foam in the substrate
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2423/00Presence of polyolefin
    • C09J2423/04Presence of homo or copolymers of ethene
    • C09J2423/045Presence of homo or copolymers of ethene in the release coating
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2433/00Presence of (meth)acrylic polymer
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2467/00Presence of polyester
    • C09J2467/005Presence of polyester in the release coating
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2475/00Presence of polyurethane
    • C09J2475/006Presence of polyurethane in the substrate

Landscapes

  • Adhesive Tapes (AREA)

Abstract

The invention discloses a kind of peelable waterproof foam tape and preparation method thereof, it from top to bottom includes the first release film layer, peelable glue-line, plastic basis material layer, the first high adhesive-layer, waterproof foamed cotton layer, the second high adhesive-layer and the second release film layer successively.By making adhesive band and waterproof foam tape respectively, it is made thereafter by technique progress laminating is posted.By setting up plastic basis material layer, it has good extension property, and when needing to carry out stripping technology, adhesive tape is pullled, now the viscous force of adhesive tape will be with pulling action reduction or even disappear, so as to separate adhesive tape from frame or screen easily and do not stay glue trace.Waterproof foam is set to two layers, adhesive tape is carried out not contact component directly when first layer is torn, the second layer foam that links thereafter is drawn out, it is ensured that the process of pullling will not damage component.

Description

A kind of peelable waterproof foam tape and preparation method thereof
Technical field
The present invention relates to a kind of adhesive tape and preparation method thereof, more particularly to a kind of adhesive band and preparation method thereof.
Background technology
In the screen of electronic product and the assembling process of frame, it usually needs produced using the two-sided foam with adhesive-layer Product, screen is fitted with frame.And foam tape generally has higher viscous force, if pasting wrong position or needing to peel off During heavy industry, foam tape is stripped down relatively difficult, even if being successfully made stripping, cull is easily also remained on product, Cause product rejection.A kind of outstanding peelable waterproof foam tape of stripping performance is needed, cull is not stayed when peeling off, it is convenient Repeat attaching process adjustment, reduce product rejection rate.
The content of the invention
For above-mentioned deficiency, the purpose of invention is to provide a kind of peelable waterproof foam tape and preparation method thereof, Cull is not stayed during stripping, it is adaptable to the packaging technology of electronic product screen and frame.
The present invention is reaches that the technical scheme that above-mentioned purpose is used is:
A kind of peelable waterproof foam tape, it from top to bottom includes the first release film layer, peelable glue-line, modeling successively Expect substrate layer, the first high adhesive-layer, waterproof foamed cotton layer, the second high adhesive-layer and the second release film layer.
As a further improvement on the present invention, the waterproof foamed cotton layer includes upper foamed cotton layer and lower foamed cotton layer, foam on this The 3rd high adhesive-layer is additionally provided between layer and lower foamed cotton layer, and upper foamed cotton layer is connected with lower foamed cotton layer one end, the described 3rd is high The material of adhesive-layer is acrylic glue.
As a further improvement on the present invention, the material of the plastic basis material layer is PU, the material of first release film layer Expect for PET or PE, the material PE of the second release film layer.
As a further improvement on the present invention, the material of the described first high adhesive-layer is acrylic glue, the second high adhesive-layer Material be 800g~1000g/25mm peeling forces the high viscose glue of acrylic.
As a further improvement on the present invention, the thickness of the waterproof foamed cotton layer is 500 μm~1mm.
A kind of preparation method of peelable waterproof foam tape, comprises the following steps:
(1) plastic basis material is taken, in its front coating adhesive, the first high viscose glue is coated with its reverse side;
(2) by tow sides first mould release membrance of laminating of step (1) products obtained therefrom;
(3) waterproof foam is taken, in its second high-viscosity glue of front coating, and laminating second is release on the second high-viscosity glue Film;
(4) the first mould release membrance that plastic basis material reverse side is fitted in technique, strip step (2) using being posted, thin by plastics Film reverse side and the waterproof foam reverse side of step (3) fit, and obtain peelable waterproof foam tape.
As a further improvement on the present invention, the waterproof foam in the step (3) includes upper foam and lower foam, on this Fitted between foam and lower foam by the 3rd high viscose glue, and upper foam is connected with lower foam one end, the described 3rd is high viscous The material of glue is acrylic glue.
As a further improvement on the present invention, the material of the plastic basis material is PU, and the material of first mould release membrance is PET or PE, the material PE of the second mould release membrance.
As a further improvement on the present invention, the material of the described first high viscose glue is acrylic glue, the material of the second high viscose glue Expect the high viscose glue of acrylic for 800g~1000g/25mm peeling forces.
As a further improvement on the present invention, the thickness of the waterproof foamed cotton layer is 500 μm~1mm.
Beneficial effects of the present invention are:
(1) by setting up plastic basis material layer, it has good extension property, when needing to carry out stripping technology, to glue Band is pullled, and now the viscous force of adhesive tape will be with pulling action reduction even disappearance, so as to easily from frame or Adhesive tape is separated on person's screen and glue trace is not stayed, using PU as film substrate, it has good extension property, it is adaptable to It is used as pullling visbreaking in waterproof foam tape, and PU films can be transparent, to reducing the influence to electronic product;
(2) by the way that waterproof foam is set to two layers, adhesive tape is carried out not contact component directly when first layer is torn, Thereafter linkage second layer foam is drawn out, it is ensured that the process of pullling will not damage component, and length is pullled in extension, when making to pull It can more easily control to pull angle, difficulty is pullled in reduction, makes adhesive tape be more prone to stripping;
(3) viscosity to the second high adhesive-layer is controlled, under this range of viscosities, and adhesive tape can reach preferably easy-peel From property, easily it is stripped out and not cull via pullling, while good electronic product frame and screen can be kept under the viscosity The coating performance of curtain.
Above-mentioned is the general introduction of inventive technique scheme, and below in conjunction with accompanying drawing and embodiment, the present invention is done further Explanation.
Brief description of the drawings
Fig. 1 is structural representation of the invention;
In figure, the first release film layer 1, peelable glue-line 2, plastic basis material layer the 3, first high adhesive-layer 4, waterproof foamed cotton layer 5, Second high adhesive-layer 6, the second release film layer 7, upper foamed cotton layer 51, lower foamed cotton layer 52, the 3rd high adhesive-layer 53.
Embodiment
Further to illustrate the present invention to reach technological means and effect that predetermined purpose is taken, below in conjunction with accompanying drawing And preferred embodiment, the embodiment detailed description to the present invention.
Embodiment 1
A kind of peelable waterproof foam tape, its from top to bottom include successively the first release film layer 1, peelable glue-line 2, The 3, first high adhesive-layer 4 of plastic basis material layer, waterproof foamed cotton layer 5, the second high release film layer 7 of adhesive-layer 6 and second, by increasing If plastic basis material layer 3, it has good extension property, when needing to carry out stripping technology, adhesive tape is pullled, now glue The viscous force of band will be with pulling action reduction or even disappear, so as to separate adhesive tape from frame or screen easily And do not stay glue trace.
Wherein, the peelable glue-line 2 can be poly- acrylic resin adhesive, with preferable release performance.The waterproof Foamed cotton layer 5 is needed with fabulous water resistance, and being not easily susceptible to environment impression causes mass change, and next is needed with high scratch resistance Hinder performance, its surface is scraped with nail to leave a trace, it is ensured that the quality of electronic product.
As a further improvement on the present invention, the waterproof foamed cotton layer 5 includes upper foamed cotton layer 51 and lower foamed cotton layer 52, on this The 3rd high adhesive-layer 53, and upper foamed cotton layer 51 and the lower one end phase of foamed cotton layer 52 are additionally provided between foamed cotton layer 51 and lower foamed cotton layer 52 Even, the material of the 3rd high adhesive-layer 53 is acrylic glue, by the way that waterproof foam is set to two layers, and first is carried out to adhesive tape Layer does not contact component directly when tearing, and the second layer foam that links thereafter is drawn out, it is ensured that the process of pullling will not damage first device Part, and length is pullled in extension, more easily controls to pull angle when alloing to pull, reduction pulls difficulty, makes adhesive tape more Plus be easily peeled off.
As a further improvement on the present invention, the material of the plastic basis material layer 3 is PU, first release film layer 1 Material is PET or PE, is preferably PET, the material PE of the second release film layer 7 in the present embodiment, using PU as film substrate, its With good extension property, it is adaptable to be used as pullling visbreaking in waterproof foam tape, and PU films can be transparent, to reduction pair The influence of electronic product, PET is then suitable for being fitted with adhesive, and PE is suitable for being fitted with acrylic viscose glue.
As a further improvement on the present invention, the material of the described first high adhesive-layer 4 is acrylic glue, the second high adhesive-layer 6 material is the high viscose glue of acrylic of 800g~1000g/25mm peeling forces, and under this range of viscosities, adhesive tape can reach preferably Release performance, be easily stripped out and not cull via pullling, while good electronic product side can be kept under the viscosity The coating performance of frame and screen.
As a further improvement on the present invention, the thickness of the waterproof foamed cotton layer 5 is 500 μm~1mm, can be according to reality Product needs to select the thickness of waterproof foamed cotton layer 5, such as 500um/700um/800um/1mm different-thickness.
A kind of preparation method of peelable waterproof foam tape, comprises the following steps:
(1) plastic basis material is taken, in its front coating adhesive, the first high viscose glue is coated with its reverse side;
(2) by tow sides first mould release membrance of laminating of step (1) products obtained therefrom;
(3) waterproof foam is taken, in its second high-viscosity glue of front coating, and laminating second is release on the second high-viscosity glue Film;
(4) the first mould release membrance that plastic basis material reverse side is fitted in technique, strip step (2) using being posted, thin by plastics Film reverse side and the waterproof foam reverse side of step (3) fit, and obtain peelable waterproof foam tape.
As a further improvement on the present invention, the waterproof foam in the step (3) includes upper foam and lower foam, on this Fitted between foam and lower foam by the 3rd high viscose glue, and upper foam is connected with lower foam one end, the described 3rd is high viscous The material of glue is acrylic glue.
As a further improvement on the present invention, the material of the plastic basis material is PU, and the material of first mould release membrance is PET or PE, the material PE of the second mould release membrance.
As a further improvement on the present invention, the material of the described first high viscose glue is acrylic glue, the material of the second high viscose glue Expect the high viscose glue of acrylic for 800g~1000g/25mm peeling forces.
As a further improvement on the present invention, the thickness of the waterproof foamed cotton layer is 500 μm~1mm.
The condition determination of above-mentioned peeling force is that at 20 DEG C, adhesive tape is attached on stainless steel plate, 180 ° of strippings.
The present invention emphasis essentially consist in, by set up plastic basis material layer, it has good extension property, when need into During row stripping technology, adhesive tape is pullled, now the viscous force of adhesive tape will be with pulling action reduction or even disappear, so as to To separate adhesive tape from frame or screen easily and not stay glue trace.Waterproof foam is set to two layers, adhesive tape is entered Row first layer does not contact component directly when tearing, the second layer foam that links thereafter is drawn out, it is ensured that the process of pullling will not be damaged Hinder component, and length is pullled in extension, more easily controls to pull angle when alloing to pull, reduction is pullled difficulty, made Adhesive tape is more prone to peel off.
The above described is only a preferred embodiment of the present invention, be not intended to limit the scope of the present invention, Therefore the technical characteristic identical or approximate with the above embodiment of the present invention is used, within protection scope of the present invention.

Claims (10)

1. a kind of peelable waterproof foam tape, it is characterised in that it from top to bottom includes the first release film layer successively, peelable From glue-line, plastic basis material layer, the first high adhesive-layer, waterproof foamed cotton layer, the second high adhesive-layer and the second release film layer.
2. peelable waterproof foam tape as claimed in claim 1, it is characterised in that the waterproof foamed cotton layer includes upper foam Layer and lower foamed cotton layer, and upper foamed cotton layer is connected with lower foamed cotton layer one end, is additionally provided between the upper foamed cotton layer and lower foamed cotton layer 3rd high adhesive-layer, the material of the 3rd high adhesive-layer is acrylic glue.
3. peelable waterproof foam tape as claimed in claim 1, it is characterised in that the material of the plastic basis material layer is PU, the material of first release film layer is PET or PE, the material PE of the second release film layer.
4. peelable waterproof foam tape as claimed in claim 1, it is characterised in that the material of the first high adhesive-layer is Acrylic glue, the material of the second high adhesive-layer is the high viscose glue of acrylic of 800g~1000g/25mm peeling forces.
5. peelable waterproof foam tape as claimed in claim 1, it is characterised in that the thickness of the waterproof foamed cotton layer is 500 μm~1mm.
6. the preparation method of peelable waterproof foam tape as described in any one of Claims 1 to 5, it is characterised in that including with Lower step:
(1) plastic basis material is taken, in its front coating adhesive, the first high viscose glue is coated with its reverse side;
(2) by tow sides first mould release membrance of laminating of step (1) products obtained therefrom;
(3) waterproof foam is taken, in its second high-viscosity glue of front coating, and the second mould release membrance of fitting on the second high-viscosity glue;
(4) the first mould release membrance that plastic basis material reverse side is fitted in technique, strip step (2) using being posted, anti-by plastic sheeting Face and the waterproof foam reverse side of step (3) fit, and obtain peelable waterproof foam tape.
7. the preparation method of peelable waterproof foam tape as claimed in claim 6, it is characterised in that in the step (3) Waterproof foam include upper foam and lower foam, fitted on this between foam and lower foam by the 3rd high viscose glue, and on Foam is connected with lower foam one end, and the material of the 3rd high viscose glue is acrylic glue.
8. the preparation method of peelable waterproof foam tape as claimed in claim 6, it is characterised in that the plastic basis material Material is PU, and the material of first mould release membrance is PET or PE, the material PE of the second mould release membrance.
9. the preparation method of the peelable waterproof foam tape as described in right 6, it is characterised in that the material of the first high viscose glue Expect for acrylic glue, the material of the second high viscose glue is the high viscose glue of acrylic of 800g~1000g/25mm peeling forces.
10. the preparation method of peelable waterproof foam tape as claimed in claim 6, it is characterised in that the waterproof foam The thickness of layer is 500 μm~1mm.
CN201710496604.3A 2017-06-26 2017-06-26 A kind of peelable waterproof foam tape and preparation method thereof Pending CN107142038A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710496604.3A CN107142038A (en) 2017-06-26 2017-06-26 A kind of peelable waterproof foam tape and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710496604.3A CN107142038A (en) 2017-06-26 2017-06-26 A kind of peelable waterproof foam tape and preparation method thereof

Publications (1)

Publication Number Publication Date
CN107142038A true CN107142038A (en) 2017-09-08

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107768954A (en) * 2017-10-19 2018-03-06 维沃移动通信有限公司 A kind of board to board connector method for packing and waterproof foam
CN108501103A (en) * 2018-03-14 2018-09-07 苏州安洁科技股份有限公司 A kind of continuous die-cutting process of roller knife for foam
CN109370455A (en) * 2018-10-31 2019-02-22 苏州萍升源电子科技有限公司 A kind of beveling foam and its production method
CN114133885A (en) * 2021-12-13 2022-03-04 江苏百顺胶粘带有限公司 Foam double-sided adhesive tape and indentation method
WO2024092861A1 (en) * 2022-10-31 2024-05-10 江阴通利光电科技有限公司 Reworkable double-sided foam tape, reworking method, and preparation method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105647416A (en) * 2016-02-01 2016-06-08 苏州哈恩新材料有限公司 Novel foam adhesive tape of multi-layer structure and processing method thereof
CN205347313U (en) * 2016-01-05 2016-06-29 苏州广尔纳新材料科技股份有限公司 Sticky tape of doing over again

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205347313U (en) * 2016-01-05 2016-06-29 苏州广尔纳新材料科技股份有限公司 Sticky tape of doing over again
CN105647416A (en) * 2016-02-01 2016-06-08 苏州哈恩新材料有限公司 Novel foam adhesive tape of multi-layer structure and processing method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107768954A (en) * 2017-10-19 2018-03-06 维沃移动通信有限公司 A kind of board to board connector method for packing and waterproof foam
CN108501103A (en) * 2018-03-14 2018-09-07 苏州安洁科技股份有限公司 A kind of continuous die-cutting process of roller knife for foam
CN109370455A (en) * 2018-10-31 2019-02-22 苏州萍升源电子科技有限公司 A kind of beveling foam and its production method
CN109370455B (en) * 2018-10-31 2024-01-30 苏州萍升源电子科技有限公司 Oblique cutting foam and production method thereof
CN114133885A (en) * 2021-12-13 2022-03-04 江苏百顺胶粘带有限公司 Foam double-sided adhesive tape and indentation method
CN114133885B (en) * 2021-12-13 2023-08-29 江苏百顺胶粘带有限公司 Foam double-sided adhesive tape and indentation method
WO2024092861A1 (en) * 2022-10-31 2024-05-10 江阴通利光电科技有限公司 Reworkable double-sided foam tape, reworking method, and preparation method

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Application publication date: 20170908