CN218115351U - Strength-enhanced foam double-sided adhesive tape - Google Patents
Strength-enhanced foam double-sided adhesive tape Download PDFInfo
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- CN218115351U CN218115351U CN202222726664.9U CN202222726664U CN218115351U CN 218115351 U CN218115351 U CN 218115351U CN 202222726664 U CN202222726664 U CN 202222726664U CN 218115351 U CN218115351 U CN 218115351U
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- 239000006260 foam Substances 0.000 title claims abstract description 78
- 239000002390 adhesive tape Substances 0.000 title claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 35
- 229920000742 Cotton Polymers 0.000 claims abstract description 26
- 239000003292 glue Substances 0.000 claims abstract description 18
- 239000000853 adhesive Substances 0.000 claims abstract description 14
- 230000001070 adhesive effect Effects 0.000 claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 132
- 239000012790 adhesive layer Substances 0.000 claims description 26
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 8
- 239000003063 flame retardant Substances 0.000 claims description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical group N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 5
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 34
- 239000012528 membrane Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000005187 foaming Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Adhesive Tapes (AREA)
Abstract
The utility model discloses a cotton double faced adhesive tape of bubble is strengthened to intensity, including first processing rete and second processing rete, first processing rete includes first glue film, and second processing rete includes the PET base film, and the surface coating of PET base film has the second glue film, and another surface is provided with the cotton basic unit of bubble, and the cotton basic unit of bubble includes the cotton layer of unit bubble and at least one deck fretwork enhancement layer, and fretwork enhancement layer or the cotton layer of unit bubble bond with first glue film. The strength-enhanced foam double-sided adhesive is reasonable in structure, and the first processing film layer and the second processing film layer are processed separately, so that the production efficiency is improved, and the utilization rate of resources is improved; the PET base film and the foam base layer have high composite strength; the foam base layer comprises a hollowed-out reinforcing layer to further enhance the strength of the double-sided adhesive, and the hollowed-out reinforcing plate is better in strength when connecting the foam base layer with the unit.
Description
Technical Field
The utility model belongs to the technical field of the sticky tape technique and specifically relates to a cotton double faced adhesive tape of bubble is strengthened to intensity.
Background
With the rapid development of electronic technology, electronic products are also gradually developed in the directions of miniaturization, lightness, thinness, multi-functionalization and the like, and the evolution of the foam adhesive tape plays a very important role in the evolution process of the whole electronic product.
The foam is used as a base material to be made into single-sided adhesive or double-sided adhesive for use, has the effects of sealing and buffering, and is widely applied to the bonding, buffering and sealing of various electronic products, mechanical parts, various small household appliances and medical appliances due to the excellent sealing property, water resistance and compressibility of the foam.
The existing common die-cutting foam double-sided adhesive has a symmetrical layer structure, and comprises a foam base material and an adhesive layer formed by coating the adhesive on two surfaces of the foam base material, wherein the surface of the adhesive layer is covered with a release film. However, the foam tape has low strength and poor stability.
Therefore, there is a need for an improvement of the foam double-sided tape in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect that exists among the prior art, provide a cotton double faced adhesive tape of intensity enhancement bubble, it is high through PET base film and the cotton basic unit combined strength of bubble, the intensity of the further reinforcing double faced adhesive tape of fretwork enhancement layer.
In order to realize the technical effects, the utility model adopts the technical scheme that: the utility model provides a cotton double faced adhesive tape of bubble is strengthened to intensity, includes first processing rete and second processing rete, first processing rete includes first glue film, second processing rete includes the PET base film, the surface coating of PET base film has the second glue film, and another surface is provided with the cotton basic unit of bubble, the cotton basic unit of bubble includes the cotton layer of unit bubble and at least one deck fretwork enhancement layer, fretwork enhancement layer or the cotton layer of unit bubble with first glue film bonds.
The preferred technical scheme is that the foam base layer comprises a laminated structure of a unit foam layer/hollow-out reinforcing layer, or a unit foam layer/hollow-out reinforcing layer/unit foam layer, or a hollow-out reinforcing layer/unit foam layer/hollow-out reinforcing layer.
The preferable technical scheme is that the PET base film and the foam base layer are matched in a concave-convex mode.
The preferable technical scheme is that a blind hole is formed in the contact surface of one of the PET base film and the foam base layer, and the hole opening of the blind hole is smaller than the hole body and/or the hole bottom.
The preferable technical scheme is that the unit foam layer is a PU foam layer, and the hollow reinforcing layer is a PU reinforcing layer filled with stone powder.
The preferable technical scheme is that the first adhesive layer and/or the second adhesive layer is/are acrylic pressure-sensitive adhesive layers.
The preferable technical scheme is that the first adhesive layer and/or the second adhesive layer is a flame-retardant pressure-sensitive adhesive layer.
The preferable technical scheme is that the thickness of the unit foam layer is more than or equal to that of the hollowed-out reinforcing layer.
The preferable technical scheme is that the film thickness of the PET base film is 30 to 60 mu m, and the layer thickness of the foam base layer is 300 to 600 mu m.
The preferable technical scheme is that the thicknesses of the first adhesive layer and the second adhesive layer are both 150 to 300 mu m.
The utility model has the advantages and the beneficial effects that:
the strength-enhanced foam double-sided adhesive is reasonable in structure, and the first processing film layer and the second processing film layer are processed separately, so that the production efficiency is improved, and the utilization rate of resources is improved; the PET base film and the foam base layer have high composite strength; the foam base layer comprises a hollowed-out reinforcing layer to further enhance the strength of the double-sided adhesive, and the hollowed-out reinforcing plate is better in strength when connecting the foam base layer with the unit.
Drawings
Fig. 1 is a schematic structural view of a first processing film layer and a second processing film layer in example 1 of the present invention;
FIG. 2 is a schematic structural view of the strength-reinforced foam double-sided adhesive tape of embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of a strength-reinforced foam double-sided adhesive tape of embodiment 2 of the present invention;
fig. 4 is a partial sectional view of the double-sided adhesive tape of the strength reinforcing foam of embodiment 3 of the present invention.
In the figure: 1. a first process film layer; 2. a second process film layer; 10. a first glue layer; 11. a first PET release film; 12. a second PET release film; 20. PET basal membrane; 21. a foam base layer; 22. a second adhesive layer; 23. a third PET release film; 210. hollowing out the reinforcing layer; 211. a unit foam layer; 200. and (4) blind holes.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.
Cell foam layer
The PU foam is prepared by foaming isocyanate, polyol, a foaming agent, a cross-linking agent, color paste and the like.
Hollowed-out reinforced layer
The PU reinforcing layer is prepared by filling and foaming stone powder, including but not limited to talcum powder, into the raw material of the unit foam layer. The hollow reinforcing layer and the unit foam layer are made of the same main material, good in compatibility and capable of keeping good strength and stability.
The hollow outline of the hollow reinforcing layer is any geometric figure including but not limited to a circle, a triangle and a quadrangle.
Laminated structure of foam base layer
But also include but not limited to unit bubble cotton layer/fretwork enhancement layer/unit bubble cotton layer/fretwork enhancement layer, unit bubble cotton layer/fretwork enhancement layer/unit bubble cotton layer, fretwork enhancement layer/unit bubble cotton layer/fretwork enhancement layer. Further, the laminated structure of the foam base layer is a unit foam layer/hollow reinforced layer/unit foam layer or a hollow reinforced layer/unit foam layer/hollow reinforced layer. The laminated structure simplifies the preparation efficiency, not only ensures the lightening, but also has better strength and better structural stability.
The thickness of the unit foam layer is larger than or equal to that of the hollowed-out reinforcing layer, so that the light weight characteristic of the foam double-sided adhesive is kept, and the compressibility is wider in application to the environment.
Acrylic pressure-sensitive adhesive layer
Uniformly distributing halogen-free flame retardant particles to prepare the flame-retardant pressure-sensitive adhesive layer. Improve the flame retardant property of the foam double faced adhesive tape and improve the use safety of the foam double faced adhesive tape.
First processing film layer
The adhesive tape is characterized by further comprising a first PET release film and a second PET release film, wherein the surface of the first PET release film is coated with adhesive solution to form a first adhesive layer, the surface of the first adhesive layer is covered with the second PET release film, and the performance of the first adhesive layer is detected for later use.
Second process film layer
Still include third PET and leave the type membrane, the PET base film is black PET film, at a surface coating glue solution formation second glue film of PET base film, cover on the surface of second glue film and establish third PET and leave the type membrane, detect the performance of second glue film, another surface foaming preparation bubble cotton basic unit of PET base film, peel off first PET of first processing rete from one of type membrane and second PET and leave type membrane, bond first glue film and bubble cotton basic unit.
Example 1
As shown in fig. 1 to 2, the strength-enhanced foam double-sided adhesive comprises a first processing film layer 1 and a second processing film layer 2, the first processing film layer 1 comprises a first adhesive layer 10, a first PET release film 11 and a second PET release film 12, an adhesive solution is coated on the surface of the first PET release film 11 to form the first adhesive layer 10, and the surface of the first adhesive layer 10 is covered with the second PET release film 12. The second processing film layer 2 comprises a PET base film 20, a second glue layer 22 is coated on one surface of the PET base film 20, a third PET release film 23 is covered on the surface of the second glue layer 22, a foam base layer 21 is arranged on the other surface of the PET base film 20, the laminated structure of the foam base layer 21 is a unit foam layer 211/a hollow-out reinforcing layer 210/a unit foam layer 211, the hollow-out outline of the hollow-out reinforcing layer 210 is circular, the layer thickness of the unit foam layer 211 is equal to that of the hollow-out reinforcing layer 210, the second PET release film 12 is uncovered, and the unit foam layer 211 is bonded with the first glue layer 10.
The unit foam layer 211 is a PU foam layer, and the hollow reinforcing layer 210 is a PU reinforcing layer filled with stone powder. The first adhesive layer 10 and the second adhesive layer 22 are both acrylic pressure-sensitive adhesive layers, and halogen-free flame retardant particles are uniformly distributed to prepare the flame-retardant pressure-sensitive adhesive layer.
The film thickness of the PET base film 20 is 36 μm, the layer thickness of the foam base layer 21 is 564 μm, and the layer thicknesses of the first adhesive layer 10 and the second adhesive layer 22 are both 200 μm.
Example 2
As shown in fig. 3, the embodiment 2 is based on the embodiment 1, and is different in that the laminated structure of the foam base layer 21 is a hollow-out reinforcing layer 210/a unit foam layer 211/a hollow-out reinforcing layer 210, the layer thickness of the unit foam layer 211 is greater than that of the hollow-out reinforcing layer 210, and the hollow-out reinforcing layer 210 is adhered to the first adhesive layer 10.
Example 3
As shown in fig. 4, example 3 is based on example 2 except that the PET base film 20 and the foam base layer 21 are engaged with each other in a concavo-convex manner. The contact surface of PET base film 20 and bubble cotton basic unit 21 is provided with blind hole 200, and the drill way of blind hole 200 is less than the hole bottom.
The performance indexes of the foam double-sided adhesive tape in the embodiment 3 meet the following detection: the tearing strength is more than or equal to 1800gf/inch; the normal temperature peeling force is more than or equal to 1600gf/inch;60 ℃/90 percent RH static shear force is more than or equal to 10000min; the static shear force at 80 ℃ is more than or equal to 10000min.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an intensity is strengthened cotton double faced adhesive tape of bubble, its characterized in that, includes first processing rete and second processing rete, first processing rete includes first glue film, second processing rete includes the PET base film, a surface coating of PET base film has the second glue film, and another surface is provided with the cotton basic unit of bubble, the cotton basic unit of bubble includes cotton layer of unit bubble and at least one deck fretwork enhancement layer, fretwork enhancement layer or the cotton layer of unit bubble with first glue film bonds.
2. The strength-reinforced foam double-sided adhesive tape according to claim 1, wherein the foam base layer comprises a laminated structure of a unit foam layer/hollow-out reinforcing layer, a unit foam layer/hollow-out reinforcing layer/unit foam layer, or a hollow-out reinforcing layer/unit foam layer/hollow-out reinforcing layer.
3. The strength reinforced foam double sided tape as claimed in claim 1 or 2, wherein the PET base film and the foam base layer are in concave-convex fit.
4. The strength-reinforced foam double-sided adhesive tape according to claim 3, wherein a contact surface of one of the PET base film and the foam base film is provided with a blind hole, and an orifice of the blind hole is smaller than a hole body and/or a hole bottom.
5. The strength reinforced foam double-sided adhesive tape according to claim 1, wherein the unit foam layer is a PU foam layer, and the hollowed-out reinforcing layer is a PU reinforcing layer filled with stone powder.
6. The strength reinforced foam double sided tape of claim 1, wherein the first adhesive layer and/or the second adhesive layer is an acrylic pressure sensitive adhesive layer.
7. The strength reinforced foam double sided tape of claim 1 or 6, wherein the first adhesive layer and/or the second adhesive layer is a flame retardant pressure sensitive adhesive layer.
8. The strength reinforcing foam double-sided adhesive tape as claimed in claim 1 or 5, wherein the layer thickness of the unit foam layer is greater than or equal to that of the hollowed-out reinforcing layer.
9. The strength-reinforced foam double-sided adhesive as claimed in claim 1, wherein the film thickness of the PET base film is 30 to 60 μm, and the layer thickness of the foam base layer is 300 to 600 μm.
10. The strength reinforced foam double-sided adhesive as claimed in claim 1 or 6, wherein the thickness of the first adhesive layer and the second adhesive layer is 150 to 300 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222726664.9U CN218115351U (en) | 2022-10-17 | 2022-10-17 | Strength-enhanced foam double-sided adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222726664.9U CN218115351U (en) | 2022-10-17 | 2022-10-17 | Strength-enhanced foam double-sided adhesive tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218115351U true CN218115351U (en) | 2022-12-23 |
Family
ID=84497378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222726664.9U Active CN218115351U (en) | 2022-10-17 | 2022-10-17 | Strength-enhanced foam double-sided adhesive tape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218115351U (en) |
-
2022
- 2022-10-17 CN CN202222726664.9U patent/CN218115351U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A type of strength reinforced foam double-sided adhesive Effective date of registration: 20231012 Granted publication date: 20221223 Pledgee: Yunongshang Financial Leasing Co.,Ltd. Pledgor: JIANGYIN TONGLI OPTOELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2023980060795 |