CN109957347A - The preparation method of anti-static silica gel protective film - Google Patents
The preparation method of anti-static silica gel protective film Download PDFInfo
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- CN109957347A CN109957347A CN201910246265.2A CN201910246265A CN109957347A CN 109957347 A CN109957347 A CN 109957347A CN 201910246265 A CN201910246265 A CN 201910246265A CN 109957347 A CN109957347 A CN 109957347A
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- protective film
- silica gel
- preparation
- gel protective
- static silica
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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
- C09J7/29—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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- 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
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
-
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/017—Additives being an antistatic agent
-
- 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
- C09J2423/046—Presence of homo or copolymers of ethene 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
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
Abstract
The invention discloses a kind of preparation methods of anti-static silica gel protective film, comprising the following steps: the preparation of S1. substrate layer;S2. methyl vinyl silicone rubber, polyisoprene rubber, silicone resin, vinyl silicone oil, containing hydrogen silicone oil, 3- thiocyanatopropyltriethoxysilane, 2- aminobenzimidazole, nano graphite powder, Monododecylphosphate potassium, toluene, ethyl acetate are uniformly mixed, it stirs evenly, then methyl butynol, platinum catalyst, cyclohexanone peroxide is added, it stirs evenly, organosilicon adhesive is made;S3. the organosilicon adhesive is spread evenly across substrate layer surface, it is cured to form organic layer of silica gel, protective film semi-finished product are made;S4. the protective film semi-finished product are subjected to slitting cutting as needed to get the anti-static silica gel protective film;Protective film surface resistivity produced by the present invention is low, solves the problems, such as that electrostatic can not discharge and influence automatic continuous production in protective film use process.
Description
Technical field
The present invention relates to protective film field more particularly to a kind of preparation methods of anti-static silica gel protective film.
Background technique
It needs paste with the protective film of moderate tack before smart phone is completed, around frame interim solid
It is fixed, after smart phone is completed, then tear the protective film pasted around its frame.Current this kind of protective film is from state
Outer supplier, domestic product are unable to import substitutes there are following technical problem, and main problem is: 1, viscosity too
It is low or too high, it even falls off so that alice occurs in use, or generate residue glue in removal;2, substrate it is too hard or
It is too soft, so that being easy alice, or break;3, antistatic effect is bad, influences automatic continuous production.
Therefore, how to develop a kind of viscosity it is moderate, be easy remove anti-static silica gel protective film to replace imported product,
Direction as those skilled in the art's research.
Summary of the invention
It is an object of that present invention to provide a kind of preparation method of anti-static silica gel protective film, the protection that this method is prepared
Film stripping moderate strength, easily peelable not residue glue, and surface resistivity is low, antistatic effect is excellent.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of preparation method of anti-static silica gel protective film,
The following steps are included:
S1. it is coated with adhesive on a PET film surface, drying forms adhesive layer, then by the PET film and a PE film
Hot pressing is compound, and substrate layer is made;
S2. by 200 ~ 350 parts of methyl vinyl silicone rubber, 10 ~ 40 parts of polyisoprene rubber, 10 ~ 25 parts of silicone resin, second
2 ~ 6 parts of alkenyl silicone oil, 0.5 ~ 5 part of containing hydrogen silicone oil, 0.3 ~ 4 part of 3- thiocyanatopropyltriethoxysilane, 2- aminobenzimidazole
0.3 ~ 2 part, 0.2 ~ 3.8 part of nano graphite powder, 1 ~ 3 part of Monododecylphosphate potassium, 400 ~ 600 parts of toluene, ethyl acetate 250
~ 400 parts are uniformly mixed, and stir 30 ~ 60min, and 0.5 ~ 3 part of methyl butynol, 0.5 ~ 2 part of platinum catalyst, peroxidating is then added
0.3 ~ 1 part of cyclohexanone, 10 ~ 20min is stirred, organosilicon adhesive is made;
S3. the organosilicon adhesive is spread evenly across substrate layer surface, is formed by curing organosilicon glue-line through 140 ~ 150 DEG C,
Protective film semi-finished product are made;
S4. the protective film semi-finished product are subjected to slitting cutting as needed, obtain the anti-static silica gel protective film.
Further improved technical solution is as follows in above-mentioned technical proposal:
1. in above scheme, being coated technique using narrow slit type coating apparatus in step S3.
2. in above scheme, the PET film with a thickness of 15 ~ 25 μm.
3. in above scheme, the PE film with a thickness of 15 ~ 25 μm.
4. in above scheme, the adhesive layer with a thickness of 5 ~ 15 μm.
5. in above scheme, the adhesive layer is polyester adhesive layer.
6. in above scheme, the organosilicon glue-line with a thickness of 10 ~ 30 μm.
7. in above scheme, the hydrogen content of the containing hydrogen silicone oil is 0.1 ~ 1.2%.
8. in above scheme, the platinum catalyst is selected from chloroplatinic acid, chloroplatinic acid/alkenyl siloxane complex compound and chlorine platinum
One of acid/alkene complex is a variety of.
Due to the application of the above technical scheme, compared with the prior art, the invention has the following advantages:
1. the preparation method of anti-static silica gel protective film of the present invention, using PET/PE laminated film as substrate, the laminated film
The flexibility for having both PET film good mechanical performance and PE film is not easy alice, and stretches when using as protection film base material
Also it is not easy to break when removing;In addition, the present invention uses the organosilicon adhesive of special formulation, peeling force is moderate, cohesive force is strong,
The phenomenon that making protective film produced by the present invention be less prone to alice in use or even fall off, and be easy to remove, it is taking off
When do not stay residue glue.
2. the preparation method of anti-static silica gel protective film of the present invention, the organosilicon gluing agent prescription used is in nanometer stone
On the basis of 0.2 ~ 3.8 part of ink powder, but be additionally added to 0.3 ~ 2 part of 2- aminobenzimidazole and Monododecylphosphate potassium 1 ~
3 parts, it is obviously improved its antistatic effect, surface resistivity reaches 107Ω is hereinafter, the adhesive is used for the preparation of protective film
When, it can solve the problems, such as to influence automatic continuous production since electrostatic can not discharge in protective film use process, reduce production
Manpower and time cost in the process.
Detailed description of the invention
Attached drawing 1 is that anti-static silica gel of the present invention protects membrane structure diagram.
In the figures above: 1, substrate layer;101, PET film;102, adhesive layer;103, PE film;2, organosilicon glue-line.
Specific embodiment
The present invention will be further described below with reference to examples:
A kind of embodiment 1 ~ 4: preparation method of anti-static silica gel protective film, comprising the following steps:
S1. it is coated with adhesive on 101 surface of a PET film, drying forms adhesive layer 102, then by the PET film 101
It is compound with 103 hot pressing of a PE film, substrate layer 1 is made;
S2. by methyl vinyl silicone rubber, polyisoprene rubber, silicone resin, vinyl silicone oil, containing hydrogen silicone oil, 3- sulphur cyanogen
Base propyl-triethoxysilicane, 2- aminobenzimidazole, nano graphite powder, Monododecylphosphate potassium, toluene, ethyl acetate
It is uniformly mixed, stirs 30 ~ 60min, methyl butynol, platinum catalyst, cyclohexanone peroxide is then added, stir 10 ~ 20min,
Organosilicon adhesive is made;
S3. the organosilicon adhesive is spread evenly across 1 surface of substrate layer, is formed by curing organosilicon glue-line through 140 ~ 150 DEG C
2, protective film semi-finished product are made;
S4. the protective film semi-finished product are subjected to slitting cutting as needed, obtain the anti-static silica gel protective film.
The PET film 101 with a thickness of 20 μm, the PE film 103 with a thickness of 20 μm, the adhesive layer 102
With a thickness of 10 μm, the organosilicon glue-line 2 with a thickness of 15 μm;
The adhesive layer 102 is polyester adhesive layer.
The organosilicon glue-line 2 is specifically made of following parts by weight of component:
Table 1
Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
Methyl vinyl silicone rubber | 270 | 200 | 300 | 350 |
Polyisoprene rubber | 40 | 15 | 30 | 20 |
Silicone resin | 10 | 20 | 25 | 15 |
Vinyl silicone oil | 6 | 5 | 4 | 2 |
Containing hydrogen silicone oil | 5 | 4 | 0.5 | 2 |
3- thiocyanatopropyltriethoxysilane | 1.8 | 0.3 | 2.5 | 4 |
2- aminobenzimidazole | 0.8 | 2 | 0.3 | 1.5 |
Methyl butynol | 1 | 0.5 | 2 | 3 |
Platinum catalyst | 2 | 1.5 | 1 | 0.5 |
Cyclohexanone peroxide | 1 | 0.5 | 0.7 | 0.3 |
Nano graphite powder | 1.5 | 0.2 | 3.8 | 2.5 |
Monododecylphosphate potassium | 2.5 | 1 | 2 | 3 |
Toluene | 500 | 600 | 400 | 450 |
Ethyl acetate | 400 | 250 | 330 | 270 |
A kind of comparative example 1 ~ 3: preparation method of silicone protective film, comprising the following steps:
S1. it is coated with adhesive on 101 surface of a PET film, drying forms adhesive layer 102, then by the PET film 101
It is compound with 103 hot pressing of a PE film, substrate layer 1 is made;
S2. by methyl vinyl silicone rubber, polyisoprene rubber, silicone resin, vinyl silicone oil, containing hydrogen silicone oil, 3- sulphur cyanogen
Base propyl-triethoxysilicane, 2- aminobenzimidazole, nano graphite powder, Monododecylphosphate potassium, toluene, ethyl acetate
It is uniformly mixed, stirs 30 ~ 60min, methyl butynol, platinum catalyst, cyclohexanone peroxide is then added, stir 10 ~ 20min,
Organosilicon adhesive is made;
S3. the organosilicon adhesive is spread evenly across 1 surface of substrate layer, is formed by curing organosilicon glue-line through 140 ~ 150 DEG C
2, protective film semi-finished product are made;
S4. the protective film semi-finished product are subjected to slitting cutting as needed, obtain the silicone protective film.
The PET film 101 with a thickness of 20 μm, the PE film 103 with a thickness of 20 μm, the adhesive layer 102
With a thickness of 10 μm, the organosilicon glue-line 2 with a thickness of 15 μm;
The adhesive layer 102 is polyester adhesive layer.
The organosilicon glue-line 2 is specifically made of following parts by weight of component:
Table 2
Component | Comparative example 1 | Comparative example 2 | Comparative example 3 |
Methyl vinyl silicone rubber | 200 | 300 | 350 |
Polyisoprene rubber | 40 | - | 25 |
Silicone resin | 10 | 15 | 25 |
Vinyl silicone oil | 5 | 4 | 2 |
Containing hydrogen silicone oil | 2 | 5 | 0.5 |
3- thiocyanatopropyltriethoxysilane | - | 0.3 | 2.5 |
2- aminobenzimidazole | 0.8 | - | 0.3 |
Methyl butynol | 3 | 0.5 | 1 |
Platinum catalyst | 2 | 1.5 | 1 |
Cyclohexanone peroxide | 1 | 0.3 | - |
Nano graphite powder | - | 2.5 | 3.5 |
Monododecylphosphate potassium | 3 | 1 | - |
Toluene | 500 | 600 | 400 |
Ethyl acetate | 350 | 250 | 400 |
The properties of product of protective film made from above-described embodiment 1 ~ 4 and comparative example 1 ~ 3 are as shown in table 3:
Table 3
As shown in the evaluation result of table 3, the anti-static silica gel protective film peel strength prepared in various embodiments of the present invention is moderate,
The problem of being less prone to alice in use process or even falling off, and be easy to remove, residue glue is not stayed when removing;Its surface resistivity
Protective film in substantially less than each comparative example, can improve influences asking for automatic continuous production since electrostatic can not discharge
Topic.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of preparation method of anti-static silica gel protective film, it is characterised in that: the following steps are included:
S1. it is coated with adhesive on a PET film (101) surface, drying is formed adhesive layer (102), then by the PET film
(101) and PE film (103) hot pressing is compound, is made substrate layer (1);
S2. by 200 ~ 350 parts of methyl vinyl silicone rubber, 10 ~ 40 parts of polyisoprene rubber, 10 ~ 25 parts of silicone resin, second
2 ~ 6 parts of alkenyl silicone oil, 0.5 ~ 5 part of containing hydrogen silicone oil, 0.3 ~ 4 part of 3- thiocyanatopropyltriethoxysilane, 2- aminobenzimidazole
0.3 ~ 2 part, 0.2 ~ 3.8 part of nano graphite powder, 1 ~ 3 part of Monododecylphosphate potassium, 400 ~ 600 parts of toluene, ethyl acetate 250
~ 400 parts are uniformly mixed, and stir 30 ~ 60min, and 0.5 ~ 3 part of methyl butynol, 0.5 ~ 2 part of platinum catalyst, peroxidating is then added
0.3 ~ 1 part of cyclohexanone, 10 ~ 20min is stirred, organosilicon adhesive is made;
S3. the organosilicon adhesive is spread evenly across substrate layer (1) surface, is formed by curing organic silica gel through 140 ~ 150 DEG C
Protective film semi-finished product are made in layer (2);
S4. the protective film semi-finished product are subjected to slitting cutting as needed, obtain the anti-static silica gel protective film.
2. the preparation method of anti-static silica gel protective film according to claim 1, it is characterised in that: using narrow in step S3
Seam apparatus for coating is coated technique.
3. the preparation method of anti-static silica gel protective film according to claim 1, it is characterised in that: the PET film
(101) with a thickness of 15 ~ 25 μm.
4. the preparation method of anti-static silica gel protective film according to claim 1, it is characterised in that: the PE film
(103) with a thickness of 15 ~ 25 μm.
5. the preparation method of anti-static silica gel protective film according to claim 1, it is characterised in that: the adhesive layer
(102) with a thickness of 5 ~ 15 μm.
6. the preparation method of anti-static silica gel protective film according to claim 1, it is characterised in that: the adhesive layer
It (102) is polyester adhesive layer.
7. the preparation method of anti-static silica gel protective film according to claim 1, it is characterised in that: the organosilicon glue-line
(2) with a thickness of 10 ~ 30 μm.
8. the preparation method of anti-static silica gel protective film according to claim 1, it is characterised in that: the containing hydrogen silicone oil
Hydrogen content is 0.1 ~ 1.2%.
9. the preparation method of anti-static silica gel protective film according to claim 1, it is characterised in that: the platinum catalyst choosing
From chloroplatinic acid, chloroplatinic acid/one of alkenyl siloxane complex compound and chloroplatinic acid/alkene complex or a variety of.
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CN201910246265.2A CN109957347B (en) | 2019-03-29 | 2019-03-29 | Preparation method of antistatic silica gel protective film |
CN202110894446.3A CN113980602B (en) | 2019-03-29 | 2019-03-29 | Preparation process of adhesive tape capable of preventing adhesive residue |
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CN202110894446.3A Active CN113980602B (en) | 2019-03-29 | 2019-03-29 | Preparation process of adhesive tape capable of preventing adhesive residue |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111534241A (en) * | 2020-05-08 | 2020-08-14 | 安徽格林开思茂光电科技股份有限公司 | Antistatic silica gel protection film |
CN112194998A (en) * | 2020-10-16 | 2021-01-08 | 深圳市力达创新科技有限公司 | Silica gel film and preparation method thereof |
CN112297558A (en) * | 2020-10-30 | 2021-02-02 | 苏州特普乐新材料有限公司 | Preparation method of antistatic silica gel |
CN114605930A (en) * | 2022-02-18 | 2022-06-10 | 惠州市诺曼包装材料有限公司 | Preparation method and processing method of multilayer PET antistatic silica gel protective film |
CN114790332A (en) * | 2022-02-28 | 2022-07-26 | 惠州市诺曼包装材料有限公司 | Graphite silica gel protective film and preparation method thereof |
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CN109263210A (en) * | 2018-09-29 | 2019-01-25 | 太仓斯迪克新材料科技有限公司 | A kind of Multifunctional silica gel protective film |
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CN104479366B (en) * | 2015-01-05 | 2017-05-03 | 深圳市摩码科技有限公司 | Self-adsorption and self-exhaust silica gel, self-adsorption and self-exhaust silica gel preparation method and tempered glass protection film applying self-adsorption and self-exhaust silica gel |
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CN205800372U (en) * | 2016-06-23 | 2016-12-14 | 皇冠(太仓)胶粘制品有限公司 | A kind of anti-static silica gel protecting film |
CN109263210A (en) * | 2018-09-29 | 2019-01-25 | 太仓斯迪克新材料科技有限公司 | A kind of Multifunctional silica gel protective film |
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CN111534241A (en) * | 2020-05-08 | 2020-08-14 | 安徽格林开思茂光电科技股份有限公司 | Antistatic silica gel protection film |
CN112194998A (en) * | 2020-10-16 | 2021-01-08 | 深圳市力达创新科技有限公司 | Silica gel film and preparation method thereof |
CN112297558A (en) * | 2020-10-30 | 2021-02-02 | 苏州特普乐新材料有限公司 | Preparation method of antistatic silica gel |
CN114605930A (en) * | 2022-02-18 | 2022-06-10 | 惠州市诺曼包装材料有限公司 | Preparation method and processing method of multilayer PET antistatic silica gel protective film |
CN114790332A (en) * | 2022-02-28 | 2022-07-26 | 惠州市诺曼包装材料有限公司 | Graphite silica gel protective film and preparation method thereof |
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CN113980602B (en) | 2022-12-27 |
CN109957347B (en) | 2021-06-25 |
CN113980602A (en) | 2022-01-28 |
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