CN109233676A - Vertical conduction is pyrolyzed adhesive tape - Google Patents
Vertical conduction is pyrolyzed adhesive tape Download PDFInfo
- Publication number
- CN109233676A CN109233676A CN201811007251.7A CN201811007251A CN109233676A CN 109233676 A CN109233676 A CN 109233676A CN 201811007251 A CN201811007251 A CN 201811007251A CN 109233676 A CN109233676 A CN 109233676A
- Authority
- CN
- China
- Prior art keywords
- layer
- conductive metal
- pyrolyzed
- metal layer
- film layer
- 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
Links
- 239000002390 adhesive tape Substances 0.000 title claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 59
- 239000002184 metal Substances 0.000 claims abstract description 59
- 230000001681 protective Effects 0.000 claims abstract description 32
- 229920000728 polyester Polymers 0.000 claims abstract description 23
- 238000000197 pyrolysis Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000000741 silica gel Substances 0.000 claims abstract description 7
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920002545 silicone oil Polymers 0.000 claims abstract description 7
- 239000002699 waste material Substances 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 9
- 238000003490 calendering Methods 0.000 claims description 6
- 239000011888 foil Substances 0.000 claims description 6
- 238000005554 pickling Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000005755 formation reaction Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000005215 recombination Methods 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 6
- 229920000915 polyvinyl chloride Polymers 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002552 dosage form Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
-
- 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
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- 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
- C09J2301/16—Additional 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
-
- 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
- C09J2301/312—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 parameters being the characterizing 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
- C09J2467/00—Presence of polyester
- C09J2467/005—Presence of polyester in the release coating
Abstract
The invention discloses vertical conductions to be pyrolyzed adhesive tape; including conductive metal layer; conductive metal layer side outer wall is equipped with protective film layer; and conductive metal layer is equipped with far from protective film layer side outer wall and heats the glutinous layer of foamable pyrolysis; it is described to be pyrolyzed glutinous layer far from conductive metal layer side outer wall equipped with polyester film layer; the protective film layer is bonded with high temperature resistant silica gel far from conductive metal layer side, and the polyester film layer is coated with silicone oil far from glutinous layer side outer wall is pyrolyzed.The present invention realizes that material vertical direction is conductive, so that precision machining industry is improved production efficiency, improves producing line workability, reduces cost of labor, be effectively improved production scene tidiness, effective to recycle rim charge waste material, further pushes auto-processes.
Description
Technical field
The present invention relates to pyrolysis adhesive tape technical fields more particularly to vertical conduction to be pyrolyzed adhesive tape.
Background technique
The heated reaction process decomposed of thermal decomposition material.Many inorganic substances and organic substance are heated to a certain degree
Shi Douhui decomposes reaction.In the past, pyrolytic process is not related to catalyst and other energy, as caused by ultraviolet radiation
Reaction.Pyrolysis glue has the characteristic that is thermally decomposed, on mylar coating heating can Xie Nianjiaoshui can be made into and can bargain
Adhesive tape.
It often is applied to precision machining industry, machined material surface can be protected, but existing pyrolysis adhesive tape,
Recovery utilization rate is not high, does not have conducting function, so now proposing a kind of vertical conduction pyrolysis adhesive tape.
Summary of the invention
Technical problems based on background technology, the invention proposes vertical conductions to be pyrolyzed adhesive tape.
Vertical conduction proposed by the present invention is pyrolyzed adhesive tape, including conductive metal layer, conductive metal layer side outer wall
Equipped with protective film layer, and conductive metal layer is equipped with far from protective film layer side outer wall and heats the glutinous layer of foamable pyrolysis, the heat
It solves glutinous layer and is equipped with polyester film layer far from conductive metal layer side outer wall.
Preferably, the protective film layer is bonded with high temperature resistant silica gel far from conductive metal layer side.
Preferably, the polyester film layer is coated with silicone oil far from glutinous layer side outer wall is pyrolyzed.
The present invention proposes to go back the preparation method of vertical conduction pyrolysis adhesive tape, comprising the following steps:
S1: customization base forms metal by calendering formation machine customization calendering and moors former material, is used as conductive metal layer；
S2: surface treatment carries out pickling to conductive metal layer surface, and pickling is terminated, is rinsed using pure water, and passes through acid
Alkali meter carries out pH detection, until cleaning waste liquid is neutrality；
S3: coating processing, it is using accurate laminating machine that protective film layer and metal foil material is laminating together；
S4: coated heat dispergation is coated with the expandable gluing dosage form of heating by coating machine on the conductive metal layer after coating processing
At being pyrolyzed glutinous layer, and by accurate laminating machine by polyester film layer and compound, the formation first product that is pyrolyzed glutinous layer surface；
S5: winding curing winds first product, and the curing that heats up.
Preferably, the laminated polyester film is PET release film.
Preferably, in the S1, it is 10 μm -50 μm that metal, which moors raw material thickness, 50 μm of protective film layer thickness-in the S3
100μm。
It is in the present invention the utility model has the advantages that
1. replacing existing polyester film by using conductive metal foil is substrate, to realize that material vertical direction is conductive, so that smart
Close processing industry is improved production efficiency, improves producing line workability, reduces cost of labor, it is clean and tidy to be effectively improved production scene
Degree, it is effective to recycle rim charge waste material, further push auto-processes.
2. the pyrolysis by setting sticks layer, so that polyester film part is recyclable, it, can after conductive metallic portion heating solution is viscous
It recycles, improves recovery utilization rate, energy conservation and environmental protection reduces use cost, alleviates Pressure on Energy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that vertical conduction proposed by the present invention is pyrolyzed adhesive tape；
Fig. 2 is the flow diagram for the preparation method that vertical conduction proposed by the present invention is pyrolyzed adhesive tape.
In figure: 1 polyester film layer, 2 are pyrolyzed glutinous layer, 3 conductive metal layers, 4 protective film layers.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment 1, referring to Fig.1, vertical conduction are pyrolyzed adhesive tape, including conductive metal layer 3, the conductive metal layer 3 by
Aluminium foil is made, and the 3 side outer wall of conductive metal layer is equipped with protective film layer 4, and conductive metal layer 3 is far from 4 side of protective film layer
Outer wall is equipped with foamable be pyrolyzed of heating and sticks layer 2, and the glutinous layer 2 of pyrolysis is thin equipped with polyester far from 3 side outer wall of conductive metal layer
Film layer 1.
In the present invention, protective film layer 4 is bonded with high temperature resistant silica gel far from 3 side of conductive metal layer, and protective film layer 4 is PET
One of film, PP film, PVC film and PI film, polyester film layer 1 are coated with silicone oil far from glutinous 2 side outer wall of layer is pyrolyzed.
Embodiment 2, referring to Fig.1, vertical conduction are pyrolyzed adhesive tape, including conductive metal layer 3, the conductive metal layer 3 by
Copper foil is made, and the 3 side outer wall of conductive metal layer is equipped with protective film layer 4, and conductive metal layer 3 is far from 4 side of protective film layer
Outer wall is equipped with foamable be pyrolyzed of heating and sticks layer 2, and the glutinous layer 2 of pyrolysis is thin equipped with polyester far from 3 side outer wall of conductive metal layer
Film layer 1.
In the present invention, protective film layer 4 is bonded with high temperature resistant silica gel far from 3 side of conductive metal layer, and protective film layer 4 is PET
One of film, PP film, PVC film and PI film, polyester film layer 1 are coated with silicone oil far from glutinous 2 side outer wall of layer is pyrolyzed.
Embodiment 3, referring to Fig.1, vertical conduction are pyrolyzed adhesive tape, including conductive metal layer 3, the conductive metal layer 3 by
Silver foil is made, and the 3 side outer wall of conductive metal layer is equipped with protective film layer 4, and conductive metal layer 3 is far from 4 side of protective film layer
Outer wall is equipped with foamable be pyrolyzed of heating and sticks layer 2, and the glutinous layer 2 of pyrolysis is thin equipped with polyester far from 3 side outer wall of conductive metal layer
Film layer 1.
In the present invention, protective film layer 4 is bonded with high temperature resistant silica gel far from 3 side of conductive metal layer, and protective film layer 4 is PET
One of film, PP film, PVC film and PI film, polyester film layer 1 are coated with silicone oil far from glutinous 2 side outer wall of layer is pyrolyzed.
Embodiment 4, referring to Fig.1, vertical conduction are pyrolyzed adhesive tape, including conductive metal layer 3, the conductive metal layer 3 by
Iron foil is made, and the 3 side outer wall of conductive metal layer is equipped with protective film layer 4, and conductive metal layer 3 is far from 4 side of protective film layer
Outer wall is equipped with foamable be pyrolyzed of heating and sticks layer 2, and the glutinous layer 2 of pyrolysis is thin equipped with polyester far from 3 side outer wall of conductive metal layer
Film layer 1.
In the present invention, protective film layer 4 is bonded with high temperature resistant silica gel far from 3 side of conductive metal layer, and protective film layer 4 is PET
One of film, PP film, PVC film and PI film, polyester film layer 1 are coated with silicone oil far from glutinous 2 side outer wall of layer is pyrolyzed.
Referring to Fig. 2, vertical conduction is pyrolyzed the preparation method of adhesive tape, comprising the following steps:
S1: customization base forms metal by calendering formation machine customization calendering and moors former material, is used as conductive metal layer 3；
S2: surface treatment carries out pickling to 3 surface of conductive metal layer, and pickling is terminated, is rinsed using pure water, and is passed through
PH meter carries out pH detection, until cleaning waste liquid is neutrality；
S3: coating processing, it is using accurate laminating machine that protective film layer 4 and metal foil material is laminating together；
S4: coated heat dispergation is coated with the expandable gluing dosage form of heating by coating machine on the conductive metal layer 3 after coating processing
Polyester film layer 1 and glutinous 2 surface recombination of layer of pyrolysis are formed into first product at the glutinous layer 2 of pyrolysis, and by accurate laminating machine；
S5: winding curing winds first product, and the curing that heats up.
Laminated polyester film 1 is PET release film, and in S1, it is 10 μm -50 μm that metal, which moors raw material thickness, protective film in the S3
50 μm -100 μm of 4 thickness of layer.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. vertical conduction is pyrolyzed adhesive tape, including conductive metal layer (3), which is characterized in that outside conductive metal layer (3) side
Wall is equipped with protective film layer (4), and conductive metal layer (3) is equipped with far from protective film layer (4) side outer wall and heats foamable pyrolysis
Glutinous layer (2), it is described to be pyrolyzed glutinous layer (2) far from conductive metal layer (3) side outer wall equipped with polyester film layer (1).
2. vertical conduction according to claim 1 is pyrolyzed adhesive tape, which is characterized in that the protective film layer (4) is separate to lead
Metal layer (3) side is bonded with high temperature resistant silica gel.
3. vertical conduction according to claim 1 is pyrolyzed adhesive tape, which is characterized in that the polyester film layer (1) is separate
It is pyrolyzed glutinous layer (2) side outer wall and is coated with silicone oil.
4. the preparation method of vertical conduction pyrolysis adhesive tape according to claim 1, which is characterized in that including following step
It is rapid:
S1: customization base forms metal by calendering formation machine customization calendering and moors former material, is used as conductive metal layer (3)；
S2: surface treatment carries out pickling to conductive metal layer (3) surface, and pickling is terminated, is rinsed using pure water, and is led to
It crosses pH meter and carries out pH detection, until cleaning waste liquid is neutrality；
S3: coating processing, it is using accurate laminating machine that protective film layer (4) and metal foil material are laminating together；
S4: coated heat dispergation is coated with the expandable adhesive of heating by coating machine on the conductive metal layer (3) after coating processing
Formed and be pyrolyzed glutinous layer (2), and glutinous layer (2) surface recombination by polyester film layer (1) and is pyrolyzed by accurate laminating machine, formed just at
Product；
S5: winding curing winds first product, and the curing that heats up.
5. the vertical conduction stated according to claim 4 is pyrolyzed adhesive tape, which is characterized in that the laminated polyester film (1) be PET from
Type film.
6. vertical conduction according to claim 4 is pyrolyzed adhesive tape, which is characterized in that in the S1, it is thick that metal moors former material
Degree is 10 μm -50 μm, 50 μm -100 μm of thickness of protective film layer (4) in the S3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007251.7A CN109233676A (en) | 2018-08-31 | 2018-08-31 | Vertical conduction is pyrolyzed adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007251.7A CN109233676A (en) | 2018-08-31 | 2018-08-31 | Vertical conduction is pyrolyzed adhesive tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109233676A true CN109233676A (en) | 2019-01-18 |
Family
ID=65069489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811007251.7A Pending CN109233676A (en) | 2018-08-31 | 2018-08-31 | Vertical conduction is pyrolyzed adhesive tape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109233676A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112055431A (en) * | 2020-09-14 | 2020-12-08 | 嘉兴丹亭新材料有限公司 | Silica gel cold-bonding process and silica gel heating sheet prepared by same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07179828A (en) * | 1993-12-24 | 1995-07-18 | Nichiban Co Ltd | Adhesive sheet and peeling method for adhesive sheet |
| CN103205225A (en) * | 2012-01-17 | 2013-07-17 | 日东电工株式会社 | Polymer For Adhesive, Adhesive Composition And Heat-peelable Adhesive Sheet |
| CN104031570A (en) * | 2013-03-04 | 2014-09-10 | 日东电工株式会社 | Heat-peelable adhesive sheet |
| CN105647413A (en) * | 2014-12-02 | 2016-06-08 | 日东电工株式会社 | Adhesive sheet |
-
2018
- 2018-08-31 CN CN201811007251.7A patent/CN109233676A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07179828A (en) * | 1993-12-24 | 1995-07-18 | Nichiban Co Ltd | Adhesive sheet and peeling method for adhesive sheet |
| CN103205225A (en) * | 2012-01-17 | 2013-07-17 | 日东电工株式会社 | Polymer For Adhesive, Adhesive Composition And Heat-peelable Adhesive Sheet |
| CN104031570A (en) * | 2013-03-04 | 2014-09-10 | 日东电工株式会社 | Heat-peelable adhesive sheet |
| CN105647413A (en) * | 2014-12-02 | 2016-06-08 | 日东电工株式会社 | Adhesive sheet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112055431A (en) * | 2020-09-14 | 2020-12-08 | 嘉兴丹亭新材料有限公司 | Silica gel cold-bonding process and silica gel heating sheet prepared by same |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190118 |
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| RJ01 | Rejection of invention patent application after publication |