CN117567949A - Double-sided adhesive tape and production process thereof - Google Patents
Double-sided adhesive tape and production process thereof Download PDFInfo
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- CN117567949A CN117567949A CN202311529737.8A CN202311529737A CN117567949A CN 117567949 A CN117567949 A CN 117567949A CN 202311529737 A CN202311529737 A CN 202311529737A CN 117567949 A CN117567949 A CN 117567949A
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- layer
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- carbon nanotube
- walled carbon
- graphene oxide
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- 239000002390 adhesive tape Substances 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- 239000010410 layer Substances 0.000 claims abstract description 144
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 79
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 76
- 239000000758 substrate Substances 0.000 claims abstract description 64
- 239000012790 adhesive layer Substances 0.000 claims abstract description 61
- -1 (hexadecyldimethyl) -1, 2-ethylene Chemical group 0.000 claims abstract description 41
- 229920000139 polyethylene terephthalate Polymers 0.000 claims abstract description 40
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 40
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229920002799 BoPET Polymers 0.000 claims abstract description 36
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims abstract description 19
- 239000004094 surface-active agent Substances 0.000 claims abstract description 19
- 239000002216 antistatic agent Substances 0.000 claims abstract description 18
- 230000001070 adhesive effect Effects 0.000 claims abstract description 12
- CWEZAWNPTYBADX-UHFFFAOYSA-N Procyanidin Natural products OC1C(OC2C(O)C(Oc3c2c(O)cc(O)c3C4C(O)C(Oc5cc(O)cc(O)c45)c6ccc(O)c(O)c6)c7ccc(O)c(O)c7)c8c(O)cc(O)cc8OC1c9ccc(O)c(O)c9 CWEZAWNPTYBADX-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229920002414 procyanidin Polymers 0.000 claims abstract description 9
- 238000004132 cross linking Methods 0.000 claims abstract description 8
- 229940087559 grape seed Drugs 0.000 claims abstract description 8
- XFZJEEAOWLFHDH-UHFFFAOYSA-N (2R,2'R,3R,3'R,4R)-3,3',4',5,7-Pentahydroxyflavan(48)-3,3',4',5,7-pentahydroxyflavan Natural products C=12OC(C=3C=C(O)C(O)=CC=3)C(O)CC2=C(O)C=C(O)C=1C(C1=C(O)C=C(O)C=C1O1)C(O)C1C1=CC=C(O)C(O)=C1 XFZJEEAOWLFHDH-UHFFFAOYSA-N 0.000 claims abstract description 7
- MOJZMWJRUKIQGL-FWCKPOPSSA-N Procyanidin C2 Natural products O[C@@H]1[C@@H](c2cc(O)c(O)cc2)Oc2c([C@H]3[C@H](O)[C@@H](c4cc(O)c(O)cc4)Oc4c3c(O)cc(O)c4)c(O)cc(O)c2[C@@H]1c1c(O)cc(O)c2c1O[C@@H]([C@H](O)C2)c1cc(O)c(O)cc1 MOJZMWJRUKIQGL-FWCKPOPSSA-N 0.000 claims abstract description 7
- HGVVOUNEGQIPMS-UHFFFAOYSA-N procyanidin Chemical compound O1C2=CC(O)=CC(O)=C2C(O)C(O)C1(C=1C=C(O)C(O)=CC=1)OC1CC2=C(O)C=C(O)C=C2OC1C1=CC=C(O)C(O)=C1 HGVVOUNEGQIPMS-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002109 single walled nanotube Substances 0.000 claims description 80
- 239000011248 coating agent Substances 0.000 claims description 29
- 238000000576 coating method Methods 0.000 claims description 29
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 25
- 238000002360 preparation method Methods 0.000 claims description 25
- 238000001035 drying Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 239000008367 deionised water Substances 0.000 claims description 15
- 229910021641 deionized water Inorganic materials 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 12
- 239000000725 suspension Substances 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 7
- HNTGIJLWHDPAFN-UHFFFAOYSA-N 1-bromohexadecane Chemical compound CCCCCCCCCCCCCCCCBr HNTGIJLWHDPAFN-UHFFFAOYSA-N 0.000 claims description 6
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 claims description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 5
- 238000013329 compounding Methods 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 5
- 238000004821 distillation Methods 0.000 claims description 5
- 235000019441 ethanol Nutrition 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 5
- 238000001291 vacuum drying Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 4
- 238000005229 chemical vapour deposition Methods 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 4
- 238000007731 hot pressing Methods 0.000 claims description 4
- 230000002194 synthesizing effect Effects 0.000 claims description 4
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- GBTBMWZHQWETAM-UHFFFAOYSA-M 2-aminoethyl-hexadecyl-dimethylazanium bromide hydrobromide Chemical compound Br.[Br-].CCCCCCCCCCCCCCCC[N+](C)(C)CCN GBTBMWZHQWETAM-UHFFFAOYSA-M 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000005469 granulation Methods 0.000 claims description 2
- 230000003179 granulation Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 5
- 150000003839 salts Chemical class 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 8
- 230000003068 static effect Effects 0.000 description 7
- 238000007599 discharging Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 4
- 239000004594 Masterbatch (MB) Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000012018 catalyst precursor Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- KTWOOEGAPBSYNW-UHFFFAOYSA-N ferrocene Chemical compound [Fe+2].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 KTWOOEGAPBSYNW-UHFFFAOYSA-N 0.000 description 2
- 229930003935 flavonoid Natural products 0.000 description 2
- 235000017173 flavonoids Nutrition 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000007952 growth promoter Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000007112 amidation reaction Methods 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 229920002770 condensed tannin Polymers 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000000269 nucleophilic effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 238000006467 substitution 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
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/255—Polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/50—Adhesives in the form of films or foils characterised by a primer layer between the carrier and the adhesive
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/042—Graphene or derivatives, e.g. graphene oxides
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
-
- 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
- C09J2301/124—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 on both sides of the carrier, e.g. double-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
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive 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
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/41—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature 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
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses a double-sided tape and a production process thereof, belonging to the technical field of double-sided tapes, and comprising a first release paper layer, a first adhesive layer, a substrate layer, a second adhesive layer and a second release paper layer which are sequentially attached from top to bottom, wherein the first adhesive layer and the second adhesive layer comprise an antistatic agent, an antistatic agent gemini quaternary ammonium salt surfactant N, N' -bis (hexadecyldimethyl) -1, 2-ethylene diamine dibromide salt and grape seed procyanidin; the substrate layer is a graphene oxide grafted PET film prepared by crosslinking graphene oxide to polyethylene terephthalate through p-phenylenediamine. The invention can realize the antistatic function, the double-sided adhesive tape is not easy to be stained with dust, and the adhesive property of the double-sided adhesive tape is improved.
Description
Technical Field
The invention relates to the technical field of double-sided adhesive tapes, in particular to a double-sided adhesive tape and a production process thereof.
Background
The double-sided tape has the characteristic that both sides of the double-sided tape can be adhered, and is widely used in daily work, study and life. The common double-sided adhesive tape only plays a role of mutual adhesion between paper or objects, the dustproof performance is not ideal, if the double-sided adhesive tape is used in the process of using, the cleanliness of the surface of the adhesive tape needs to be kept, and if dust exists in the using environment, the dust can be adsorbed on the double-sided adhesive tape, so that the viscosity of the double-sided adhesive tape is reduced, and the performance of the double-sided adhesive tape is affected. A large number of researches show that the double-sided adhesive tape takes PET material as a base material, static electricity is formed by friction on the surface of the double-sided adhesive tape made of the PET material or stripping of unreeling of a film roll, and the generated static electricity cannot be transmitted due to the fact that the PET material is a polar electric insulation material, and the static electricity is accumulated on the surface of the PET material, so that dust is more easily adhered to the double-sided adhesive tape in the using process.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the purposes of the invention is to provide a double-sided adhesive tape which can realize an antistatic function, is not easy to be stained with dust and improves the adhesive property of the double-sided adhesive tape.
The second purpose of the invention is to provide a preparation method of the double-sided adhesive tape, which is simple, easy to operate and low in cost.
One of the purposes of the invention is realized by adopting the following technical scheme:
the double-sided adhesive tape comprises a first release paper layer, a first adhesive layer, a substrate layer, a second adhesive layer and a second release paper layer which are sequentially attached from top to bottom, and is characterized in that the first adhesive layer and the second adhesive layer comprise an antistatic agent, and the antistatic agent is a gemini quaternary ammonium salt surfactant N, N' -bis (hexadecyldimethyl) -1, 2-ethylene diamine dibromide and grape seed procyanidin; the substrate layer is a graphene oxide grafted PET film prepared by crosslinking graphene oxide to polyethylene terephthalate through p-phenylenediamine.
Further, the preparation method of the graphene oxide grafted PET film comprises the following steps:
s1, grafting p-phenylenediamine on the surface of graphene oxide: dissolving graphite oxide powder in deionized water by an ultrasonic dispersion method to obtain a completely dispersed graphene oxide suspension; then adding dilute ammonia water dropwise, regulating the pH value of the reaction system to 9-12, mechanically stirring at room temperature, and rapidly heating to 90-100 ℃; then adding p-phenylenediamine into the reaction system, and keeping the temperature at 90-100 ℃ for 3 hours; finally, washing with deionized water and ethanol to remove unreacted p-phenylenediamine, and drying the obtained product in a blast drying oven for 24 hours for later use;
s2, connecting graphene oxide and polyethylene terephthalate molecules together by using p-phenylenediamine, and grafting polyethylene terephthalate molecular chains onto the surface of the graphene oxide through melt mixing to obtain the substrate layer.
Further, the step S2 specifically includes: uniformly mixing polyethylene glycol terephthalate and graphene oxide to obtain a mixture; extruding and granulating the mixture by using a double-screw blending extruder to obtain the substrate layer; wherein, the conditions of extrusion granulation are as follows: the temperature of the upper cavity plate of the extruder is 265 ℃, and the temperature of the lower cavity plate is 275 ℃; the screw speed during feeding was maintained at 40 rpm, the screw speed during cyclic discharge was maintained at 150 rpm, and the screw speed during discharge was maintained at 50rpm.
Further, the double-sided tape further comprises a first single-walled carbon nanotube layer and a second single-walled carbon nanotube layer, wherein the first single-walled carbon nanotube layer and the second single-walled carbon nanotube layer are respectively positioned on the upper surface and the lower surface of the substrate layer and respectively attached to the first adhesive layer and the second adhesive layer.
Further, the preparation method of the first single-walled carbon nanotube layer comprises the following steps:
s1, weighing single-walled carbon nanotube powder and deionized water, then adding the single-walled carbon nanotube powder and deionized water into a ball kettle, and ball milling for 48 hours to obtain single-walled carbon nanotube dispersion liquid which is uniformly dispersed in water;
s2, soaking the substrate layer in acetone for 30 minutes, drying in a drying oven at 70 ℃, placing the dried substrate layer on a temperature control heating plate or a glass plate at room temperature, sucking CNT suspension by a suction pipe, drawing a uniform line from left to right on the surface of the dried substrate layer, coating from the line to the upper and lower directions by a coating tool, uniformly covering the surface of the substrate layer, and drying at 70 ℃ for 1-2 minutes after coating to obtain the first single-walled carbon nanotube layer.
Further, the preparation method of the first single-walled carbon nanotube layer comprises the following steps:
s1, synthesizing a single-walled carbon nanotube by adopting a suspension catalyst chemical vapor deposition method, and preparing the synthesized single-walled carbon nanotube into a single-walled carbon nanotube film by a vapor film collection technology;
s2, transferring the single-walled carbon nanotube film to the surface of the substrate layer through imprinting, and then hot-pressing at the temperature of 240 ℃ and the pressure of 15MPa, wherein the single-walled carbon nanotube film is embedded into the surface of the substrate layer to obtain the first single-walled carbon nanotube layer.
Further, the preparation method of the gemini quaternary ammonium salt surfactant N, N' -bis (hexadecyldimethyl) -1, 2-ethylene diamine dibromide comprises the following steps: s1, adding N, N, N ', N' -tetramethyl ethylenediamine and absolute ethyl alcohol into a three-neck flask according to a proportion, then dropwise adding bromohexadecane, and reacting at 80 ℃ for 3d;
s2, after the reaction is finished, taking down the three-neck flask, removing absolute ethyl alcohol in the three-neck flask by reduced pressure distillation, recrystallizing for 5 times by using acetone, and finally placing the three-neck flask in a vacuum drying oven at 80 ℃ for 24 hours to obtain white solid, namely the gemini quaternary ammonium salt surfactant N, N' -bis (hexadecyldimethyl) -1, 2-ethylene diamine dibromide.
Further, the first release paper layer and the second release paper layer are release layers of polyethylene terephthalate plastics.
The second purpose of the invention is realized by adopting the following technical scheme:
the preparation method of the double-sided adhesive tape comprises the following steps:
s1, preparation: the graphene oxide grafted PET film is prepared according to the method;
s2, preparing a double-sided adhesive tape: uniformly coating the first adhesive layer on the upper surface of the substrate layer by using a comma scraper with the adhesive coating thickness of 0.025-0.050 mm, uniformly coating the second adhesive layer on the lower surface of the substrate layer by using a comma scraper with the adhesive coating thickness of 0.025-0.050 mm, enabling the glued substrate layer to pass through a drying channel with the total length of 20-25 m at the linear speed of 5-15 m/mi, wherein the temperature of the first section is 65-75 ℃, the temperature of the second section is 80-90 ℃, the temperature of the third section is 90-100 ℃, the temperature of the fourth section is 100-105 ℃, the temperature of the fifth section is 105-110 ℃, and the temperature of the sixth section is 90-100 ℃ so as to remove the solvent in the first adhesive layer and the second adhesive layer; and then compounding the glued substrate layer with the first release paper layer and the second release paper layer with the same width respectively at the pressure of 0.4MPa of a press roller and the temperature of room temperature, and rolling to obtain the double-sided adhesive tape.
Compared with the prior art, the invention has the beneficial effects that:
according to the double-sided adhesive tape, the substrate layer is the graphene oxide grafted PET film prepared by crosslinking graphene oxide to polyethylene glycol terephthalate by using p-phenylenediamine, the p-phenylenediamine is grafted on the surface of the graphene oxide, the p-phenylenediamine can simultaneously modify and partially reduce the graphene oxide, and one amine group of the p-phenylenediamine and an epoxy group on the graphene oxide undergo nucleophilic ring-opening reaction to obtain g-graphene oxide; the second step is to connect the g-graphene oxide and the polyethylene terephthalate molecules together by using p-phenylenediamine, wherein the other end of the p-phenylenediamine does not participate in the reaction of grafting the p-phenylenediamine on the surface of the graphene oxide and the carboxyl at the tail end of the polyethylene terephthalate molecular chain form a hydrogen bond or generate an amidation reaction, so that the graphene oxide grafted PET film is obtained, the conductivity of the PET film is improved, the antistatic effect can be achieved, and the uniform dispersion of the graphene oxide in the polyethylene terephthalate matrix is realized through crosslinking.
(2) The double-sided adhesive tape provided by the invention further comprises the first single-walled carbon nanotube layer and the second single-walled carbon nanotube layer, wherein the first single-walled carbon nanotube layer and the second single-walled carbon nanotube layer are respectively positioned on the upper surface and the lower surface of the substrate layer and respectively attached to the first adhesive layer and the second adhesive layer, so that the conductivity of the surface of the PET film is further improved.
(3) The invention provides a double-sided adhesive tape, wherein a first adhesive layer and a second adhesive layer contain antistatic agents, an antistatic agent gemini quaternary ammonium salt surfactant N, N '-bis (hexadecyl dimethyl) -1, 2-di-ammonium bromide, grape Seed Procyanidins (GSPs) are polymeric flavonoid compounds called condensed tannins, monomer components of the Grape Seed Procyanidins (GSPs) are flavan-3-alcohols, the polymeric flavonoid compounds are added into colloid to serve as the antistatic agents, and gemini quaternary ammonium salt surfactant N, N' -bis (hexadecyl dimethyl) -1, 2-di-ammonium bromide is a cationic surfactant, so that the water vapor in the air can be adsorbed on the surface of the adhesive layer, and ionization can be carried out on the adsorbed water film to form conductive path leakage charges, thereby improving the antistatic capability of the double-sided adhesive tape.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a double-sided tape according to embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of a double-sided tape according to embodiment 2 and embodiment 3.
In the figure: 1. a substrate layer; 2. a first adhesive layer; 3. a second adhesive layer; 4. a first release paper layer; 5. a second release paper layer; 6. a first single-walled carbon nanotube layer; 7. a second single-walled carbon nanotube layer.
Detailed Description
The present invention will be further described with reference to specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.
The sources of the raw materials used in the following examples are as follows:
para-phenylenediamine (CAS: 106-50-3) is available from Merck sigma-aldrich;
bromohexadecane was purchased from beijing enoKai technologies limited;
n, N' -tetramethyl ethylenediamine is available from shanghai alaa Ding Shiji limited.
The test examples used the following test instruments:
RT-1000 surface resistance tester, available from Ind. Instrument Co., shenzhen City.
Example 1
As shown in fig. 1, the embodiment provides a double-sided tape, which comprises a first release paper layer 4, a first adhesive layer 2, a substrate layer 1, a second adhesive layer 3 and a second release paper layer 5 which are sequentially attached from top to bottom, wherein the first adhesive layer 2 and the second adhesive layer 3 contain an antistatic agent, an antistatic agent gemini quaternary ammonium salt surfactant N, N' -bis (hexadecyldimethyl) -1, 2-ethylenediammonium dibromide and grape seed procyanidin; the substrate layer 1 is a graphene oxide grafted PET film prepared by crosslinking graphene oxide to polyethylene terephthalate through p-phenylenediamine.
The preparation method of the graphene oxide grafted PET film in the embodiment comprises the following steps:
s1, grafting p-phenylenediamine on the surface of graphene oxide: dissolving 10mg of graphite oxide powder in 100mL of deionized water by an ultrasonic dispersion method to obtain a completely dispersed graphene oxide suspension; then adding dilute ammonia water dropwise, adjusting the pH value of the reaction system to 9, mechanically stirring at room temperature for 0.5h, and rapidly heating to 90-100 ℃; then adding 0.1g of p-phenylenediamine into the reaction system, and keeping the temperature at 90-100 ℃ for 3 hours; finally, washing with deionized water and ethanol to remove unreacted p-phenylenediamine, and drying the obtained product in a blast drying oven at 80 ℃ for 24 hours for later use;
s2, connecting graphene oxide and polyethylene terephthalate molecules together by using p-phenylenediamine, and grafting polyethylene terephthalate molecular chains onto the surface of the graphene oxide through melt mixing to obtain the substrate layer 1.
The step S2 specifically comprises the following steps: uniformly mixing 10g of polyethylene terephthalate and 5g of graphene oxide with the surface grafted with p-phenylenediamine prepared in the step S2 to obtain a mixture; extruding and granulating the mixture by using a double-screw blending extruder to obtain graphene oxide grafted PET master batch, wherein the conditions of extruding and granulating are as follows: the temperature of the upper cavity plate of the extruder is 265 ℃, and the temperature of the lower cavity plate is 275 ℃; the screw speed is kept at 40 rpm during feeding, at 150 rpm during cyclic discharging, and at 50rpm during discharging;
crushing graphene oxide grafted PET master batches by using a universal crusher, and pressing graphene oxide grafted PET powder into a sample on a flat vulcanizing machine to obtain a graphene oxide grafted PET film, namely a substrate layer 1, wherein the pressing conditions are as follows: the obtained graphene oxide grafted PET powder is preheated at 275 ℃ for 15 minutes, then molded for 15 minutes under the pressure of 10MPa, and exhausted three times at the stage, and finally the graphene oxide grafted PET film with the thickness of 1mm is prepared.
The preparation method of the gemini quaternary ammonium salt surfactant N, N' -bis (hexadecyldimethyl) -1, 2-ethylene diamine dibromide in the embodiment comprises the following steps: s1, adding N, N, N ', N' -tetramethyl ethylenediamine and absolute ethyl alcohol into a three-neck flask according to a proportion, then dropwise adding bromohexadecane, and reacting at 80 ℃ for 3d;
s2, after the reaction is finished, taking down the three-neck flask, removing absolute ethyl alcohol in the three-neck flask by reduced pressure distillation, recrystallizing for 5 times by acetone, and finally placing the three-neck flask in a vacuum drying oven at 80 ℃ for 24 hours to obtain white solid, namely the gemini quaternary ammonium salt surfactant N, N' -bis (hexadecyldimethyl) -1, 2-ethylene diamine dibromide.
The preparation method of the double-sided tape in the embodiment comprises the following steps:
s1, preparation: preparing a graphene oxide grafted PET film, a first single-walled carbon nanotube layer 6 and a second single-walled carbon nanotube layer 7 according to the method;
s2, preparing a double-sided adhesive tape: uniformly coating the first adhesive layer 2 on the upper surface of the substrate layer 1 by using a comma scraper, wherein the adhesive coating thickness is 0.025mm, uniformly coating the second adhesive layer 3 on the lower surface of the substrate layer 1 by using a comma scraper, wherein the adhesive coating thickness is 0.025mm, and removing the solvent in the first adhesive layer 2 and the second adhesive layer 3 by passing through a drying channel with the total length of 20m at a linear speed of 5m/min and a temperature of 70 ℃ at a temperature of 85 ℃ at a temperature of II at a temperature of 90 ℃ at a temperature of 100 ℃ at a temperature of IV at a temperature of 105 ℃ at a temperature of VI at a temperature of 100 ℃ in sequence; and then compounding the glued substrate layer 1 with a first release paper layer 4 and a second release paper layer 5 with the same width respectively at the pressure of a press roller of 0.4MPa and the temperature of room temperature, and rolling to obtain the double-sided adhesive tape.
Example 2
As shown in fig. 2, the embodiment provides a double-sided tape, which comprises a first release paper layer 4, a first adhesive layer 2, a first single-walled carbon nanotube layer 6, a substrate layer 1, a second single-walled carbon nanotube layer 7, a second adhesive layer 3 and a second release paper layer 5 which are sequentially attached from top to bottom, wherein the first adhesive layer 2 and the second adhesive layer 3 contain an antistatic agent, and the antistatic agent gemini quaternary ammonium salt surfactant N, N' -bis (hexadecyldimethyl) -1, 2-ethylene diamine dibromide salt and grape seed procyanidin; the substrate layer 1 is a graphene oxide grafted PET film prepared by crosslinking graphene oxide to polyethylene terephthalate through p-phenylenediamine.
The preparation method of the graphene oxide grafted PET film in the embodiment comprises the following steps:
s1, grafting p-phenylenediamine on the surface of graphene oxide: dissolving 10mg of graphite oxide powder in 100mL of deionized water by an ultrasonic dispersion method to obtain a completely dispersed graphene oxide suspension; then adding dilute ammonia water dropwise, adjusting the pH value of the reaction system to 9, mechanically stirring at room temperature for 0.5h, and rapidly heating to 90-100 ℃; then adding 0.1g of p-phenylenediamine into the reaction system, and keeping the temperature at 90-100 ℃ for 3 hours; finally, washing with deionized water and ethanol to remove unreacted p-phenylenediamine, and drying the obtained product in a blast drying oven at 80 ℃ for 24 hours for later use;
s2, connecting graphene oxide and polyethylene terephthalate molecules together by using p-phenylenediamine, and grafting polyethylene terephthalate molecular chains onto the surface of the graphene oxide through melt mixing to obtain the substrate layer 1.
The step S2 specifically comprises the following steps: uniformly mixing 10g of polyethylene terephthalate and 5g of graphene oxide with the surface grafted with p-phenylenediamine prepared in the step S2 to obtain a mixture; extruding and granulating the mixture by using a double-screw blending extruder to obtain graphene oxide grafted PET master batch, wherein the conditions of extruding and granulating are as follows: the temperature of the upper cavity plate of the extruder is 265 ℃, and the temperature of the lower cavity plate is 275 ℃; the screw speed is kept at 40 rpm during feeding, at 150 rpm during cyclic discharging, and at 50rpm during discharging;
crushing graphene oxide grafted PET master batches by using a universal crusher, and pressing graphene oxide grafted PET powder into a sample on a flat vulcanizing machine to obtain a graphene oxide grafted PET film, namely a substrate layer 1, wherein the pressing conditions are as follows: the obtained graphene oxide grafted PET powder is preheated at 275 ℃ for 15 minutes, then molded for 15 minutes under the pressure of 10MPa, and exhausted three times at the stage, and finally the graphene oxide grafted PET film with the thickness of 1mm is prepared.
The preparation method of the first single-walled carbon nanotube layer 6 in this embodiment includes the following steps:
s1, weighing 2g of single-walled carbon nanotube powder and 400mL of deionized water, then adding the powder into a ball kettle, and ball milling for 48 hours to obtain single-walled carbon nanotube dispersion liquid which is uniformly dispersed in water;
s2, firstly, soaking a PET film in acetone for 30 minutes, drying in an oven at 70 ℃, then placing the PET film on a temperature-controlled heating plate or a glass plate at room temperature, sucking 0.2mL of CNT suspension by using a suction pipe, drawing a uniform line from left to right on the PET film, then coating from top to bottom by using a coating tool, uniformly covering the surface of the PET film, and drying at 70 ℃ for 1-2 minutes after coating to obtain the CNT-coated PET film.
The preparation method of the first single-walled carbon nanotube layer 6 in this embodiment includes the following steps:
s1, synthesizing a single-walled carbon nanotube by adopting a suspension catalyst chemical vapor deposition method, and preparing the synthesized single-walled carbon nanotube into a single-walled carbon nanotube film by a vapor film collection technology;
ferrocene and sulfur powder are respectively used as a catalyst precursor and a growth promoter to be dissolved in a methylbenzene solution, and then are injected into a quartz tube reactor for growth of single-walled carbon nanotubes, and the grown single-walled carbon nanotubes are prepared into a single-walled carbon nanotube film by a gas phase film collecting technology.
S2, transferring the single-walled carbon nanotube film to the surface of the PET film through imprinting, and then hot-pressing at the temperature of 240 ℃ and the pressure of 15 MPa. And then embedding the single-wall carbon nanotube film into the upper surface of the PET film to obtain a single-wall carbon nanotube film layer.
The preparation method of the gemini quaternary ammonium salt surfactant N, N' -bis (hexadecyldimethyl) -1, 2-ethylene diamine dibromide in the embodiment comprises the following steps: s1, adding N, N, N ', N' -tetramethyl ethylenediamine and absolute ethyl alcohol into a three-neck flask according to a proportion, then dropwise adding bromohexadecane, and reacting at 80 ℃ for 3d;
s2, after the reaction is finished, taking down the three-neck flask, removing absolute ethyl alcohol in the three-neck flask by reduced pressure distillation, recrystallizing for 5 times by acetone, and finally placing the three-neck flask in a vacuum drying oven at 80 ℃ for 24 hours to obtain white solid, namely the gemini quaternary ammonium salt surfactant N, N' -bis (hexadecyldimethyl) -1, 2-ethylene diamine dibromide.
The preparation method of the double-sided tape in the embodiment comprises the following steps:
s1, preparation: preparing a graphene oxide grafted PET film, a first single-walled carbon nanotube layer 6 and a second single-walled carbon nanotube layer 7 according to the method;
s2, preparing a first single-walled carbon nanotube layer 6 and a second single-walled carbon nanotube layer 7 according to the method, wherein the first single-walled carbon nanotube layer 6 is arranged on the upper surface of the substrate layer 1, and the second single-walled carbon nanotube layer 7 is arranged on the lower surface of the substrate layer 1;
s3, preparing a double-sided adhesive tape: uniformly coating the first adhesive layer 2 on the upper surface of the substrate layer 1 by using a comma scraper, wherein the adhesive coating thickness is 0.035mm, uniformly coating the second adhesive layer 3 on the lower surface of the substrate layer 1 by using a comma scraper, wherein the adhesive coating thickness is 0.035mm, and removing the solvent in the first adhesive layer 2 and the second adhesive layer 3 by passing the substrate layer 1 through a drying channel with the total length of 25m at the linear speed of 10m/min, wherein the temperature of the first section is 65 ℃, the temperature of the second section is 90 ℃, the temperature of the third section is 95 ℃, the temperature of the fourth section is 105 ℃, the temperature of the fifth section is 110 ℃, and the temperature of the sixth section is 95 ℃; and then compounding the glued substrate layer 1 with a first release paper layer 4 and a second release paper layer 5 with the same width respectively at the pressure of a press roller of 0.4MPa and the temperature of room temperature, and rolling to obtain the double-sided adhesive tape.
Example 3
As shown in fig. 2, the embodiment provides a double-sided tape, which comprises a first release paper layer 4, a first adhesive layer 2, a first single-walled carbon nanotube layer 6, a substrate layer 1, a second single-walled carbon nanotube layer 7, a second adhesive layer 3 and a second release paper layer 5 which are sequentially attached from top to bottom, wherein the first adhesive layer 2 and the second adhesive layer 3 contain an antistatic agent, and the antistatic agent gemini quaternary ammonium salt surfactant N, N' -bis (hexadecyldimethyl) -1, 2-ethylene diamine dibromide salt and grape seed procyanidin; the substrate layer 1 is a graphene oxide grafted PET film prepared by crosslinking graphene oxide to polyethylene terephthalate through p-phenylenediamine.
The preparation method of the graphene oxide grafted PET film in the embodiment comprises the following steps:
s1, grafting p-phenylenediamine on the surface of graphene oxide: dissolving 10mg of graphite oxide powder in 100mL of deionized water by an ultrasonic dispersion method to obtain a completely dispersed graphene oxide suspension; then adding dilute ammonia water dropwise, adjusting the pH value of the reaction system to 9, mechanically stirring at room temperature for 0.5h, and rapidly heating to 90-100 ℃; then adding 0.1g of p-phenylenediamine into the reaction system, and keeping the temperature at 90-100 ℃ for 3 hours; finally, washing with deionized water and ethanol to remove unreacted p-phenylenediamine, and drying the obtained product in a blast drying oven at 80 ℃ for 24 hours for later use;
s2, connecting graphene oxide and polyethylene terephthalate molecules together by using p-phenylenediamine, and grafting polyethylene terephthalate molecular chains onto the surface of the graphene oxide through melt mixing to obtain the substrate layer 1.
The step S2 specifically comprises the following steps: uniformly mixing 10g of polyethylene terephthalate and 5g of graphene oxide with the surface grafted with p-phenylenediamine prepared in the step S2 to obtain a mixture; extruding and granulating the mixture by using a double-screw blending extruder to obtain graphene oxide grafted PET master batch, wherein the conditions of extruding and granulating are as follows: the temperature of the upper cavity plate of the extruder is 265 ℃, and the temperature of the lower cavity plate is 275 ℃; the screw speed is kept at 40 rpm during feeding, at 150 rpm during cyclic discharging, and at 50rpm during discharging;
crushing graphene oxide grafted PET master batches by using a universal crusher, and pressing graphene oxide grafted PET powder into a sample on a flat vulcanizing machine to obtain a graphene oxide grafted PET film, namely a substrate layer 1, wherein the pressing conditions are as follows: the obtained graphene oxide grafted PET powder is preheated at 275 ℃ for 15 minutes, then molded for 15 minutes under the pressure of 10MPa, and exhausted three times at the stage, and finally the graphene oxide grafted PET film with the thickness of 1mm is prepared.
The preparation method of the first single-walled carbon nanotube layer 6 in this embodiment includes the following steps:
s1, synthesizing a single-walled carbon nanotube by adopting a suspension catalyst chemical vapor deposition method, and preparing the synthesized single-walled carbon nanotube into a single-walled carbon nanotube film by a vapor film collection technology;
ferrocene and sulfur powder are respectively used as a catalyst precursor and a growth promoter to be dissolved in a methylbenzene solution, and then are injected into a quartz tube reactor for growth of single-walled carbon nanotubes, and the grown single-walled carbon nanotubes are prepared into a single-walled carbon nanotube film by a gas phase film collecting technology.
S2, transferring the single-walled carbon nanotube film to the surface of the PET film through imprinting, and then hot-pressing at the temperature of 240 ℃ and the pressure of 15 MPa. And then embedding the single-wall carbon nanotube film into the upper surface of the PET film to obtain a single-wall carbon nanotube film layer.
The preparation method of the gemini quaternary ammonium salt surfactant N, N' -bis (hexadecyldimethyl) -1, 2-ethylene diamine dibromide in the embodiment comprises the following steps: s1, adding N, N, N ', N' -tetramethyl ethylenediamine and absolute ethyl alcohol into a three-neck flask according to a proportion, then dropwise adding bromohexadecane, and reacting at 80 ℃ for 3d;
s2, after the reaction is finished, taking down the three-neck flask, removing absolute ethyl alcohol in the three-neck flask by reduced pressure distillation, recrystallizing for 5 times by acetone, and finally placing the three-neck flask in a vacuum drying oven at 80 ℃ for 24 hours to obtain white solid, namely the gemini quaternary ammonium salt surfactant N, N' -bis (hexadecyldimethyl) -1, 2-ethylene diamine dibromide.
The preparation method of the double-sided tape in the embodiment comprises the following steps:
s1, preparation: preparing a graphene oxide grafted PET film, a first single-walled carbon nanotube layer 6 and a second single-walled carbon nanotube layer 7 according to the method;
s2, preparing a first single-walled carbon nanotube layer 6 and a second single-walled carbon nanotube layer 7 according to the method, wherein the first single-walled carbon nanotube layer 6 is arranged on the upper surface of the substrate layer 1, and the second single-walled carbon nanotube layer 7 is arranged on the lower surface of the substrate layer 1;
s3, preparing a double-sided adhesive tape: uniformly coating the first adhesive layer 2 on the upper surface of the substrate layer 1 by using a comma scraper, wherein the adhesive coating thickness is 0.050mm, uniformly coating the second adhesive layer 3 on the lower surface of the substrate layer 1 by using a comma scraper, wherein the adhesive coating thickness is 0.050mm, and removing the solvent in the first adhesive layer 2 and the second adhesive layer 3 by passing the substrate layer 1 through a drying channel with the total length of 23m at a linear speed of 15m/min, wherein the temperature of the first section is 75 ℃, the temperature of the second section is 90 ℃, the temperature of the third section is 100 ℃, the temperature of the fourth section is 102 ℃, the temperature of the fifth section is 108 ℃, and the temperature of the sixth section is 90 ℃; and then compounding the glued substrate layer 1 with a first release paper layer 4 and a second release paper layer 5 with the same width respectively at the pressure of a press roller of 0.4MPa and the temperature of room temperature, and rolling to obtain the double-sided adhesive tape.
Comparative example 1
This comparative example provides a double-sided tape, including from last first release paper layer 4, first glue film 2, substrate layer 1, second glue film 3 and the second release paper layer 5 of laminating down in proper order.
The double-sided tape production process of this comparative example was prepared with reference to the double-sided tape production process of example 1.
Comparative example 2
The comparative example provides a double-sided adhesive tape, which comprises a first release paper layer 4, a first adhesive layer 2, a substrate layer 1, a second adhesive layer 3 and a second release paper layer 5 which are sequentially attached from top to bottom, wherein the first adhesive layer 2 and the second adhesive layer 3 comprise an antistatic agent, an antistatic agent gemini quaternary ammonium salt surfactant N, N' -bis (hexadecyldimethyl) -1, 2-ethylene diamine dibromide salt and grape seed procyanidin.
The double-sided tape production process of this comparative example was prepared with reference to the double-sided tape production process of example 1.
Experimental example
Determination of resistivity of double-sided tape
Materials can be generally classified into three types based on resistivity, with surface resistivity of 10 5 The conductive material is called as a conductive material below omega/sq, and static electricity is not generated; surface resistivity of 10 6 ～10 12 Omega/sq is a static dissipative material, and the conductivity of the material hardly generates static electricity in the range; surface resistivity of more than 10 12 Omega/sq is an insulating material and is prone to static electricity.
The measuring method comprises the following steps: surface resistance automatic testing (3 times per sample, averaged) was performed using high precision OP-AMP integrated amplifier according to ASTM standard D-257 parallel electrode sensing method.
The double-sided tapes provided in examples 1 to 3, the double-sided tape provided in comparative example 1, and the double-sided tape provided in comparative example 2 were subjected to surface resistance measurement, and the obtained resistivity data are shown in table 1 below.
Table 1 results of measurement of resistivity of double-sided tape of examples 1 to 3, comparative example 1 and comparative example 2
As is clear from Table 1, the surface resistivity of the double-sided tapes of example 1, example 2 and example 3 were all 10 6 ～10 12 Omega/sq range, wherein example 2 has greater antistatic ability and comparative example 1 has a surface resistivity of greater than 10 12 Omega/sq is insulating material, is easy to generate electrostatic action, and the surface resistivity of comparative example 2 is also less than 10 12 Omega/sq shows that the antistatic agent contained in the first adhesive layer and the second adhesive layer can play an antistatic role, and the graphene oxide grafted PET film and the first single-wall carbon nanotube layer in the double-sided adhesive tape can strengthen the antistatic performance of the double-sided adhesive tape.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.
Claims (9)
1. The double-sided adhesive tape comprises a first release paper layer, a first adhesive layer, a substrate layer, a second adhesive layer and a second release paper layer which are sequentially attached from top to bottom, and is characterized in that the first adhesive layer and the second adhesive layer comprise an antistatic agent, and the antistatic agent is a gemini quaternary ammonium salt surfactant N, N' -bis (hexadecyldimethyl) -1, 2-ethylene diamine dibromide and grape seed procyanidin; the substrate layer is a graphene oxide grafted PET film prepared by crosslinking graphene oxide to polyethylene terephthalate through p-phenylenediamine.
2. The double-sided tape according to claim 1, wherein the preparation method of the graphene oxide grafted PET film comprises the following steps:
s1, grafting p-phenylenediamine on the surface of graphene oxide: dissolving graphite oxide powder in deionized water by an ultrasonic dispersion method to obtain a completely dispersed graphene oxide suspension; then adding dilute ammonia water dropwise, regulating the pH value of the reaction system to 9-12, mechanically stirring at room temperature, and rapidly heating to 90-100 ℃; then adding p-phenylenediamine into the reaction system, and keeping the temperature at 90-100 ℃ for 3 hours; finally, washing with deionized water and ethanol to remove unreacted p-phenylenediamine, and drying the obtained product in a blast drying oven for 24 hours for later use;
s2, connecting graphene oxide and polyethylene terephthalate molecules together by using p-phenylenediamine, and grafting polyethylene terephthalate molecular chains onto the surface of the graphene oxide through melt mixing to obtain the substrate layer.
3. The double-sided tape according to claim 1, wherein the step S2 specifically comprises: uniformly mixing polyethylene glycol terephthalate and graphene oxide to obtain a mixture; extruding and granulating the mixture by using a double-screw blending extruder to obtain the substrate layer; wherein, the conditions of extrusion granulation are as follows: the temperature of the upper cavity plate of the extruder is 265 ℃, and the temperature of the lower cavity plate is 275 ℃; the screw speed during feeding was maintained at 40 rpm, the screw speed during cyclic discharge was maintained at 150 rpm, and the screw speed during discharge was maintained at 50rpm.
4. The double-sided tape of claim 1, further comprising a first single-walled carbon nanotube layer and a second single-walled carbon nanotube layer, wherein the first single-walled carbon nanotube layer and the second single-walled carbon nanotube layer are respectively positioned on the upper surface and the lower surface of the substrate layer and respectively attached to the first adhesive layer and the second adhesive layer.
5. The double-sided tape of claim 4, wherein the method of preparing the first single-walled carbon nanotube layer comprises the steps of:
s1, weighing single-walled carbon nanotube powder and deionized water, then adding the single-walled carbon nanotube powder and deionized water into a ball kettle, and ball milling for 48 hours to obtain single-walled carbon nanotube dispersion liquid which is uniformly dispersed in water;
s2, soaking the substrate layer in acetone for 30 minutes, drying in a drying oven at 70 ℃, placing the dried substrate layer on a temperature control heating plate or a glass plate at room temperature, sucking CNT suspension by a suction pipe, drawing a uniform line from left to right on the surface of the dried substrate layer, coating from the line to the upper and lower directions by a coating tool, uniformly covering the surface of the substrate layer, and drying at 70 ℃ for 1-2 minutes after coating to obtain the first single-walled carbon nanotube layer.
6. The double-sided tape of claim 4, wherein the method of preparing the first single-walled carbon nanotube layer comprises the steps of:
s1, synthesizing a single-walled carbon nanotube by adopting a suspension catalyst chemical vapor deposition method, and preparing the synthesized single-walled carbon nanotube into a single-walled carbon nanotube film by a vapor film collection technology;
s2, transferring the single-walled carbon nanotube film to the surface of the substrate layer through imprinting, and then hot-pressing at the temperature of 240 ℃ and the pressure of 15MPa, wherein the single-walled carbon nanotube film is embedded into the surface of the substrate layer to obtain the first single-walled carbon nanotube layer.
7. The double-sided tape according to claim 1, wherein the preparation method of the gemini quaternary ammonium salt surfactant N, N' -bis (hexadecyldimethyl) -1, 2-ethylenediammonium bromide comprises the following steps:
s1, adding N, N, N ', N' -tetramethyl ethylenediamine and absolute ethyl alcohol into a three-neck flask according to a proportion, then dropwise adding bromohexadecane, and reacting at 80 ℃ for 3d;
s2, after the reaction is finished, taking down the three-neck flask, removing absolute ethyl alcohol in the three-neck flask by reduced pressure distillation, recrystallizing for 5 times by using acetone, and finally placing the three-neck flask in a vacuum drying oven at 80 ℃ for 24 hours to obtain white solid, namely the gemini quaternary ammonium salt surfactant N, N' -bis (hexadecyldimethyl) -1, 2-ethylene diamine dibromide.
8. The double-sided tape of claim 1, wherein the first release paper layer and the second release paper layer are a polyethylene terephthalate release layer.
9. A process for producing a double-sided tape according to any one of claims 1 to 8, comprising the steps of:
s1, preparation: the graphene oxide grafted PET film is prepared according to the method;
s2, preparing a double-sided adhesive tape: uniformly coating the first adhesive layer on the upper surface of the substrate layer by using a comma scraper with the adhesive coating thickness of 0.025-0.050 mm, uniformly coating the second adhesive layer on the lower surface of the substrate layer by using a comma scraper with the adhesive coating thickness of 0.025-0.050 mm, enabling the glued substrate layer to pass through a drying channel with the total length of 20-25 m at the linear speed of 5-15 m/min, wherein the temperature of the first section is 65-75 ℃, the temperature of the second section is 80-90 ℃, the temperature of the third section is 90-100 ℃, the temperature of the fourth section is 100-105 ℃, the temperature of the fifth section is 105-110 ℃, and the temperature of the sixth section is 90-100 ℃ so as to remove the solvent in the first adhesive layer and the second adhesive layer; and then compounding the glued substrate layer with the first release paper layer and the second release paper layer with the same width respectively at the pressure of 0.4MPa of a press roller and the temperature of room temperature, and rolling to obtain the double-sided adhesive tape.
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| CN202311529737.8A CN117567949A (en) | 2023-11-16 | 2023-11-16 | Double-sided adhesive tape and production process thereof |
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| CN202311529737.8A CN117567949A (en) | 2023-11-16 | 2023-11-16 | Double-sided adhesive tape and production process thereof |
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Citations (4)
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| CN204097394U (en) * | 2014-09-25 | 2015-01-14 | 常州昊天塑胶科技有限公司 | Carbon nanotube deposition Antistatic adhesive tape and obtained nesa coating |
| CN110560342A (en) * | 2019-09-21 | 2019-12-13 | 盐城增材科技有限公司 | preparation method of efficient heat-conducting surface-modified graphene film |
| CN110982447A (en) * | 2019-12-18 | 2020-04-10 | 苏州赛伍应用技术股份有限公司 | Double-sided adhesive tape and preparation method and application thereof |
| CN113528051A (en) * | 2021-08-06 | 2021-10-22 | 江苏创客新材料科技有限公司 | Preparation method of double-layer PET antistatic silica gel protective film |
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| CN204097394U (en) * | 2014-09-25 | 2015-01-14 | 常州昊天塑胶科技有限公司 | Carbon nanotube deposition Antistatic adhesive tape and obtained nesa coating |
| CN110560342A (en) * | 2019-09-21 | 2019-12-13 | 盐城增材科技有限公司 | preparation method of efficient heat-conducting surface-modified graphene film |
| CN110982447A (en) * | 2019-12-18 | 2020-04-10 | 苏州赛伍应用技术股份有限公司 | Double-sided adhesive tape and preparation method and application thereof |
| CN113528051A (en) * | 2021-08-06 | 2021-10-22 | 江苏创客新材料科技有限公司 | Preparation method of double-layer PET antistatic silica gel protective film |
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| ZHAORUI MENG，等: "Grafting macromolecular chains on the surface of graphene oxide through crosslinker for antistatic and thermally stable polyethylene terephthalate nanocomposites", 《ROYAL SOCIETY OF CHEMISTRY》, 31 December 2022 (2022-12-31), pages 33329 - 33339 * |
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