CN114686132A - Foam gluing component for electronic product - Google Patents

Foam gluing component for electronic product Download PDF

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Publication number
CN114686132A
CN114686132A CN202011582857.0A CN202011582857A CN114686132A CN 114686132 A CN114686132 A CN 114686132A CN 202011582857 A CN202011582857 A CN 202011582857A CN 114686132 A CN114686132 A CN 114686132A
Authority
CN
China
Prior art keywords
release film
foam
heavy
layer
weak
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
CN202011582857.0A
Other languages
Chinese (zh)
Inventor
欧阳卓
张国干
王亚西
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.)
Kunshan Mojian Electronic Technology Co ltd
Original Assignee
Kunshan Mojian Electronic 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 Kunshan Mojian Electronic Technology Co ltd filed Critical Kunshan Mojian Electronic Technology Co ltd
Priority to CN202011582857.0A priority Critical patent/CN114686132A/en
Publication of CN114686132A publication Critical patent/CN114686132A/en
Pending legal-status Critical Current

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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
    • C09J7/26—Porous or cellular 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
    • C09J7/40—Adhesives in the form of films or foils characterised by release liners
    • 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
    • C09J7/403—Adhesives in the form of films or foils characterised by release liners characterised by the structure of the release feature
    • 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
    • C09J2400/00—Presence of inorganic and organic materials
    • C09J2400/20—Presence of organic materials
    • C09J2400/24—Presence of a foam
    • C09J2400/243—Presence of a foam in the substrate
    • 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
    • C09J2423/00—Presence of polyolefin
    • C09J2423/04—Presence of homo or copolymers of ethene
    • C09J2423/045—Presence of homo or copolymers of ethene in the release coating
    • 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
    • C09J2423/00—Presence of polyolefin
    • C09J2423/10—Presence of homo or copolymers of propene
    • C09J2423/105—Presence of homo or copolymers of propene in the release coating
    • 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
    • C09J2467/005—Presence of polyester in the release coating

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Laminated Bodies (AREA)
  • Adhesive Tapes (AREA)

Abstract

The invention discloses a foam gluing component for an electronic product, wherein a foam monomer comprises a heavy stripping release film and a foam body layer covered at the edge of the lower surface of the heavy stripping release film, the central area of the foam body layer is a hollow area, and the upper surface and the lower surface of the foam body layer are both coated with gluing layers; weak mucous membrane is by soft substrate layer and weak adhesive layer, and this weak adhesive layer coats in the surface of soft substrate layer and the contact of bubble cotton monomer, heavily peel off and have one from type membrane one end and draw the ear, this draw the ear and heavily peel off and have a score line from the type membrane junction, draw the ear to turn over to the outside along the score line and lie in heavily peeling off and from type membrane and weak mucous membrane between. The foam gluing component for the electronic product avoids the defect that the protective film monomer is easy to fall off during transfer or use, and prevents the pull lug from upwarping on the release film, thereby facilitating packaging, transfer and use.

Description

Foam gluing component for electronic product
Technical Field
The invention relates to a foam gluing component for an electronic product, and belongs to the technical field of consumer electronics processing.
Background
Along with the popularization and application of intelligent electronic products, the requirements are higher and higher, and the performance is better and better. Electronic products often need to have functional assembly products arranged inside the products to achieve corresponding purposes, such as heat dissipation, protection, shock absorption and the like. Particularly, in the production process and use of mobile phones, flat panels and electronic components, foam with double-sided back adhesive is often required to be attached between two components to meet corresponding performance requirements, for example, the foam is attached between the two components of a microphone to ensure the sealing performance of an acoustic cavity.
Disclosure of Invention
The invention aims to provide a foam adhesive assembly for an electronic product, which avoids the defect that a protective film monomer is easy to fall off during transfer or use, and prevents a pull lug from upwarping on a release film, so that the packaging, the transfer and the use are convenient.
In order to achieve the purpose, the invention adopts the technical scheme that: a foam adhesive assembly for electronic products, comprising: the light-stripping release film, the weak mucous membrane and a plurality of foam monomers positioned between the light-stripping release film and the weak mucous membrane are arranged on the light-stripping release film at intervals, the foam monomers comprise a heavy-stripping release film and a foam body layer covering the edge of the lower surface of the heavy-stripping release film, the central area of the foam body layer is a hollow area, and the upper surface and the lower surface of the foam body layer are both coated with adhesive layers;
the weak mucous membrane consists of a soft base material layer and a weak adhesive layer, the weak adhesive layer is coated on the surface of the soft base material layer contacted with the foam monomer, the heavy-stripping release film is bonded with the light-stripping release film through the foam body layer, and the upper surfaces of the soft base material layer and the heavy-stripping release film are bonded through the weak adhesive layer;
one end of the heavy peeling release film is provided with a pull ear part, the joint of the pull ear part and the heavy peeling release film is provided with a score line, and the pull ear part is folded towards the outside along the score line and is positioned between the heavy peeling release film and the weak mucous membrane.
The further improved scheme in the technical scheme is as follows:
1. in the scheme, the heavy-peeling release film of the foam monomer is a PET fluoroplastic release film, a PET silicone-containing release film, a PET matte release film or a PE release film.
2. In the above scheme, the soft substrate layer of weak mucous membrane is PE substrate layer or PP substrate layer.
3. In the above scheme, the light-stripping release film is an organic silicon release film or a non-silicon release film.
4. In the above scheme, the foam monomer is rectangular.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the foam gluing component for the electronic product is characterized in that a plurality of foam monomers are arranged on a light-stripping release film at intervals, each foam monomer comprises a heavy-stripping release film and a foam body layer covering the edge of the lower surface of the heavy-stripping release film, and gluing layers are coated on the upper surface and the lower surface of the foam body layer; the weak adhesive layer is coated on the surface of the soft base material layer, which is contacted with the foam monomer, the heavy-stripping release film is bonded with the light-stripping release film through the foam body layer, and the soft base material layer is bonded with the upper surface of the heavy-stripping release film through the weak adhesive layer, so that the problem that the foam monomer is small and a large amount of foam monomers are difficult to store and transfer is avoided, and the defect that the foam monomers are easy to fall off during transfer or use is also avoided, so that the transfer and use are convenient; in addition, it heavily peels off from type membrane one end and has one and draw the ear, and this draws the ear and heavily peels off from type membrane junction and have a score line, draw the ear to turn over to the outside along the score line and lie in heavily peeling off from type membrane and weak mucous membrane between, prevent to draw the ear to stick up and avoided droing on lightly peeling off from type membrane, also the person of facilitating the use gets and puts the cotton monomer of bubble to work efficiency has been improved.
Drawings
FIG. 1 is a schematic structural view of a foam adhesive assembly for an electronic product according to the present invention;
FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1.
In the above drawings: 1. peeling off the release film lightly; 2. a weak mucosa; 21. a soft substrate layer; 22. a weak adhesive layer; 3. foam cotton monomers; 31. re-peeling the release film; 32. a foam body layer; 4. a hollow-out area; 5. pulling the lug part; 6. a score line; 7. and an adhesive layer.
Detailed Description
Example 1: a foam adhesive assembly for electronic products, comprising: the release film comprises a light stripping release film 1, a weak mucous membrane 2 and a plurality of foam monomers 3 positioned between the light stripping release film 1 and the weak mucous membrane 2, wherein the foam monomers 3 are arranged on the light stripping release film 1 at intervals, the foam monomers 3 comprise a heavy stripping release film 31 and a foam body layer 32 covering the edge of the lower surface of the heavy stripping release film 31, the central area of the foam body layer 32 is a hollow-out area 4, and the upper surface and the lower surface of the foam body layer 32 are both coated with adhesive layers 7;
the weak mucous membrane 2 is composed of a soft base material layer 21 and a weak adhesive layer 22, the weak adhesive layer 22 is coated on the surface of the soft base material layer 21 contacted with the foam monomer 3, the heavy-stripping release film 31 is bonded with the light-stripping release film 1 through a foam body layer 32, and the upper surfaces of the soft base material layer 21 and the heavy-stripping release film 31 are bonded through the weak adhesive layer 22;
the heavy peeling release film 31 has one end and draws ear 5, and this draw ear 5 and the heavy peeling release film 31 junction have a score line 6, draw ear 5 to turn over to the outside along score line 6 and lie in heavy peeling release film 31 and weak mucous membrane 2 between.
The heavy peeling release film 31 of the foam monomer 3 is a PET silicone-containing release film.
The soft substrate layer 21 of the weak adhesive film 2 is a PE substrate layer.
The light stripping release film 1 is an organic silicon release film.
The foam monomer 3 is rectangular.
Example 2: a foam adhesive assembly for electronic products, comprising: the release film comprises a light stripping release film 1, a weak mucous membrane 2 and a plurality of foam monomers 3 positioned between the light stripping release film 1 and the weak mucous membrane 2, wherein the foam monomers 3 are arranged on the light stripping release film 1 at intervals, the foam monomers 3 comprise a heavy stripping release film 31 and a foam body layer 32 covering the edge of the lower surface of the heavy stripping release film 31, the central area of the foam body layer 32 is a hollow-out area 4, and the upper surface and the lower surface of the foam body layer 32 are both coated with adhesive layers 7;
the weak mucous membrane 2 is composed of a soft base material layer 21 and a weak adhesive layer 22, the weak adhesive layer 22 is coated on the surface of the soft base material layer 21 contacted with the foam monomer 3, the heavy-stripping release film 31 is bonded with the light-stripping release film 1 through a foam body layer 32, and the upper surfaces of the soft base material layer 21 and the heavy-stripping release film 31 are bonded through the weak adhesive layer 22;
the heavy peeling release film 31 has one end and draws ear 5, and this draw ear 5 and the heavy peeling release film 31 junction have a score line 6, draw ear 5 to turn over to the outside along score line 6 and lie in heavy peeling release film 31 and weak mucous membrane 2 between.
The heavy-peeling release film 31 of the foam monomer 3 is a PET matte release film.
The soft substrate layer 21 of the weak adhesive film 2 is a PP substrate layer.
The light release film 1 is a non-silicon release film.
When the foam gluing component for the electronic product is adopted, the defects that a large number of foam monomers are difficult to store and transfer due to small foam monomers and the foam monomers are easy to drop during transfer or use are avoided, so that the foam gluing component is convenient to transfer and use; in addition, it heavily peels off from type membrane one end and has one and draw the ear, and this draws the ear and heavily peels off from type membrane junction and have a score line, draw the ear to turn over to the outside along the score line and lie in heavily peeling off from type membrane and weak mucous membrane between, prevent to draw the ear to stick up and avoided droing on lightly peeling off from type membrane, also the person of facilitating the use gets and puts the cotton monomer of bubble to work efficiency has been improved.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides an electronic product is with sticky subassembly of bubble cotton which characterized in that: the method comprises the following steps: the release film comprises a light-stripping release film (1), a weak mucous membrane (2) and a plurality of foam monomers (3) positioned between the light-stripping release film (1) and the weak mucous membrane (2), wherein the foam monomers (3) are arranged on the light-stripping release film (1) at intervals, the foam monomers (3) comprise a heavy-stripping release film (31) and a foam body layer (32) covering the edge of the lower surface of the heavy-stripping release film (31), the central area of the foam body layer (32) is a hollow area (4), and the upper surface and the lower surface of the foam body layer (32) are both coated with adhesive layers (7);
the weak mucous membrane (2) is composed of a soft base material layer (21) and a weak adhesive layer (22), the weak adhesive layer (22) is coated on the surface of the soft base material layer (21) contacted with the foam monomer (3), the heavy-stripping release film (31) is bonded with the light-stripping release film (1) through a foam body layer (32), and the soft base material layer (21) is bonded with the upper surface of the heavy-stripping release film (31) through the weak adhesive layer (22);
the heavy peeling release film (31) one end has one and draws ear (5), and this draws ear (5) and heavy peeling release film (31) junction to have a score line (6), draw ear (5) to turn over to the outside along score line (6) and lie in heavy peeling release film (31) and weak mucous membrane (2) between.
2. The foam adhesive assembly for electronic products of claim 1, wherein: the heavy-peeling release film (31) of the foam monomer (3) is a PET fluoroplastic release film, a PET silicone oil-containing release film, a PET matte release film or a PE release film.
3. The foam adhesive assembly for electronic products of claim 1, wherein: the soft substrate layer (21) of the weak mucous membrane (2) is a PE substrate layer or a PP substrate layer.
4. The foam adhesive assembly for electronic products of claim 1, wherein: the light stripping release film (1) is an organic silicon release film or a non-silicon release film.
5. The foam adhesive assembly for electronic products of claim 1, wherein: the foam single body (3) is rectangular.
CN202011582857.0A 2020-12-28 2020-12-28 Foam gluing component for electronic product Pending CN114686132A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011582857.0A CN114686132A (en) 2020-12-28 2020-12-28 Foam gluing component for electronic product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011582857.0A CN114686132A (en) 2020-12-28 2020-12-28 Foam gluing component for electronic product

Publications (1)

Publication Number Publication Date
CN114686132A true CN114686132A (en) 2022-07-01

Family

ID=82130685

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011582857.0A Pending CN114686132A (en) 2020-12-28 2020-12-28 Foam gluing component for electronic product

Country Status (1)

Country Link
CN (1) CN114686132A (en)

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