CN117659896A - Environment-friendly composite adhesive tape and preparation method thereof - Google Patents
Environment-friendly composite adhesive tape and preparation method thereof Download PDFInfo
- Publication number
- CN117659896A CN117659896A CN202311687463.5A CN202311687463A CN117659896A CN 117659896 A CN117659896 A CN 117659896A CN 202311687463 A CN202311687463 A CN 202311687463A CN 117659896 A CN117659896 A CN 117659896A
- Authority
- CN
- China
- Prior art keywords
- parts
- modified
- adhesive tape
- proper amount
- 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.)
- Granted
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 70
- 239000002390 adhesive tape Substances 0.000 title claims abstract description 59
- 238000002360 preparation method Methods 0.000 title claims abstract description 35
- 239000010410 layer Substances 0.000 claims abstract description 76
- 240000003183 Manihot esculenta Species 0.000 claims abstract description 55
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 claims abstract description 55
- 229920002472 Starch Polymers 0.000 claims abstract description 55
- 239000008107 starch Substances 0.000 claims abstract description 55
- 235000019698 starch Nutrition 0.000 claims abstract description 55
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000010455 vermiculite Substances 0.000 claims abstract description 40
- 229910052902 vermiculite Inorganic materials 0.000 claims abstract description 40
- 235000019354 vermiculite Nutrition 0.000 claims abstract description 40
- 239000008367 deionised water Substances 0.000 claims abstract description 37
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 37
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical class O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 35
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000000853 adhesive Substances 0.000 claims abstract description 33
- 230000001070 adhesive effect Effects 0.000 claims abstract description 33
- 239000012790 adhesive layer Substances 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000002994 raw material Substances 0.000 claims abstract description 23
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims abstract description 22
- 239000012975 dibutyltin dilaurate Substances 0.000 claims abstract description 22
- 239000004970 Chain extender Substances 0.000 claims abstract description 17
- 239000003365 glass fiber Substances 0.000 claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 13
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229920002565 Polyethylene Glycol 400 Polymers 0.000 claims abstract description 12
- 230000007613 environmental effect Effects 0.000 claims abstract description 12
- 229940068918 polyethylene glycol 400 Drugs 0.000 claims abstract description 12
- 229920002545 silicone oil Polymers 0.000 claims abstract description 12
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 12
- 238000001035 drying Methods 0.000 claims description 40
- 239000000047 product Substances 0.000 claims description 35
- 238000002156 mixing Methods 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 20
- 239000000243 solution Substances 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 16
- 229920003023 plastic Polymers 0.000 claims description 16
- 239000004033 plastic Substances 0.000 claims description 16
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 15
- 239000011259 mixed solution Substances 0.000 claims description 15
- 238000000967 suction filtration Methods 0.000 claims description 15
- 239000004698 Polyethylene Substances 0.000 claims description 13
- 238000005406 washing Methods 0.000 claims description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 10
- 238000000227 grinding Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000004898 kneading Methods 0.000 claims description 10
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 10
- 238000000498 ball milling Methods 0.000 claims description 8
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 238000001354 calcination Methods 0.000 claims description 5
- 239000006229 carbon black Substances 0.000 claims description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000007795 chemical reaction product Substances 0.000 claims description 5
- 239000010941 cobalt Substances 0.000 claims description 5
- 229910017052 cobalt Inorganic materials 0.000 claims description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000004132 cross linking Methods 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 5
- 230000001804 emulsifying effect Effects 0.000 claims description 5
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 5
- 229940098779 methanesulfonic acid Drugs 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims description 5
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 5
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- JKLISIRFYWXLQG-UHFFFAOYSA-N Epioleonolsaeure Natural products C1CC(O)C(C)(C)C2CCC3(C)C4(C)CCC5(C(O)=O)CCC(C)(C)CC5C4CCC3C21C JKLISIRFYWXLQG-UHFFFAOYSA-N 0.000 claims description 3
- YBRJHZPWOMJYKQ-UHFFFAOYSA-N Oleanolic acid Natural products CC1(C)CC2C3=CCC4C5(C)CCC(O)C(C)(C)C5CCC4(C)C3(C)CCC2(C1)C(=O)O YBRJHZPWOMJYKQ-UHFFFAOYSA-N 0.000 claims description 3
- MIJYXULNPSFWEK-UHFFFAOYSA-N Oleanolinsaeure Natural products C1CC(O)C(C)(C)C2CCC3(C)C4(C)CCC5(C(O)=O)CCC(C)(C)CC5C4=CCC3C21C MIJYXULNPSFWEK-UHFFFAOYSA-N 0.000 claims description 3
- 229940100243 oleanolic acid Drugs 0.000 claims description 3
- HZLWUYJLOIAQFC-UHFFFAOYSA-N prosapogenin PS-A Natural products C12CC(C)(C)CCC2(C(O)=O)CCC(C2(CCC3C4(C)C)C)(C)C1=CCC2C3(C)CCC4OC1OCC(O)C(O)C1O HZLWUYJLOIAQFC-UHFFFAOYSA-N 0.000 claims description 3
- MIJYXULNPSFWEK-GTOFXWBISA-N 3beta-hydroxyolean-12-en-28-oic acid Chemical compound C1C[C@H](O)C(C)(C)[C@@H]2CC[C@@]3(C)[C@]4(C)CC[C@@]5(C(O)=O)CCC(C)(C)C[C@H]5C4=CC[C@@H]3[C@]21C MIJYXULNPSFWEK-GTOFXWBISA-N 0.000 claims description 2
- 241000872198 Serjania polyphylla Species 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 229940075529 glyceryl stearate Drugs 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
- 238000010030 laminating Methods 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 22
- 238000012360 testing method Methods 0.000 description 11
- 239000000454 talc Substances 0.000 description 5
- 229910052623 talc Inorganic materials 0.000 description 5
- 235000012222 talc Nutrition 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000010837 adhesive waste Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 229920006237 degradable polymer Polymers 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000000955 oleanolic acid group Chemical group 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 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
- C09J7/30—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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- 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
- C09J103/00—Adhesives based on starch, amylose or amylopectin or on their derivatives or degradation products
- C09J103/04—Starch derivatives
- C09J103/06—Esters
-
- 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
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/241—Polyolefin, e.g.rubber
- C09J7/243—Ethylene or propylene polymers
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C09J2403/00—Presence of starch
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2423/00—Presence of polyolefin
- C09J2423/10—Presence of homo or copolymers of propene
- C09J2423/106—Presence of homo or copolymers of propene in the substrate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to the technical field of composite adhesive tapes, in particular to an environment-friendly composite adhesive tape and a preparation method thereof; the composite adhesive tape prepared by the invention is composed of a base layer, a release layer and an adhesive layer arranged between the base layer and the release layer, wherein the adhesive layer is formed by curing an adhesive, the base layer is prepared from raw materials such as base materials, chain extenders, modified vermiculite, glass fibers, polyvinyl silicone oil, gamma-methacryloxypropyl trimethoxysilane, modified talcum powder and the like, the adhesive is prepared from raw materials such as modified tapioca starch, polyethylene glycol-400, dibutyl tin dilaurate, 1, 4-butanediol, dimethylformamide, deionized water and the like, and the adhesive layer is formed on the base layer by coating and curing the adhesive on one side surface of the base layer, and then the release layer and the adhesive layer are laminated through a laminating roller; the prepared composite adhesive tape not only has excellent peel strength and tensile resistance effect; but also has excellent degradability and environmental protection performance.
Description
Technical Field
The invention relates to the technical field of composite adhesive tapes, in particular to an environment-friendly composite adhesive tape and a preparation method thereof.
Background
The adhesive tape consists of a base material, an adhesive or a base material, an adhesive and a release film, and two or more unconnected objects are connected together through adhesion. The composite adhesive tape has wide application, but a large amount of waste adhesive tapes are not recovered in time, or the recovery difficulty is high, so that white pollution is caused, and serious social problems are formed.
The existing compound adhesive tape mainly takes polypropylene material as main material, and is prepared by roughening a surface after high-sealing corona, then coating glue, and then dividing the glue into small rolls after dividing into strips. However, polypropylene is a non-degradable polymer material, which causes environmental pollution, and meanwhile, has the problem of poor peeling strength and tensile strength effect.
Therefore, the present invention provides an environment-friendly composite adhesive tape and a preparation method thereof, which are used for solving the above-mentioned related technical problems.
Disclosure of Invention
The invention aims to provide an environment-friendly composite adhesive tape and a preparation method thereof, the composite adhesive tape prepared by the invention is composed of a base layer, a release layer and an adhesive layer arranged between the base layer and the release layer, the adhesive layer is formed by curing an adhesive, and the prepared composite adhesive tape not only has excellent peel strength and tensile resistance effect; but also has excellent degradability and environmental protection performance.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the first aspect of the invention: the environment-friendly composite adhesive tape is composed of a base layer, a release layer and an adhesive layer arranged between the base layer and the release layer, wherein the adhesive layer is formed by solidifying an adhesive;
the base layer is prepared from the following raw materials in parts by weight: 50 to 60 parts of base material, 8 to 12 parts of chain extender, 30 to 40 parts of modified vermiculite, 6 to 10 parts of glass fiber, 15 to 25 parts of polyvinyl silicone oil, 3 to 5 parts of gamma-methacryloxypropyl trimethoxy silane and 25 to 35 parts of modified talcum powder;
the preparation process of the base layer comprises the following steps:
adding the base material, the modified vermiculite, the glass fiber, the polyvinyl silicone oil and the modified talcum powder into a kneader for kneading and mixing for 180-190 min, and vacuumizing at 110-180 ℃ with the vacuum degree ranging from-0.08 MPa to-0.12 MPa;
adding a chain extender and gamma-methacryloxypropyl trimethoxy silane into a kneader, kneading and mixing for 60-70 min, extruding a sample through an extruder die, and carrying out irradiation crosslinking on the sample under the irradiation absorption dose of 20-120 kGy cobalt source to prepare a base layer;
the adhesive is prepared from the following raw materials in parts by weight: 20-30 parts of modified tapioca starch, 10-12 parts of polyethylene glycol-400, 10-20 parts of dibutyl tin dilaurate, 4-6 parts of 1, 4-butanediol, 5-7 parts of dimethylformamide and 25-35 parts of deionized water;
the preparation process of the adhesive is as follows:
accurately weighing modified tapioca starch, polyethylene glycol-400, dibutyl tin dilaurate, 1, 4-butanediol, dimethylformamide and deionized water, and uniformly mixing the modified tapioca starch, the dibutyl tin dilaurate, the 1, 4-butanediol and the dimethylformamide at the temperature of between 80 and 90r/min and the temperature of between 70 and 72 ℃;
and then adding dibutyl tin dilaurate, stirring for 40-50 min under the condition of 120-150 r/min, cooling to 50 ℃, adding deionized water, and emulsifying for 120-130 min to obtain the adhesive.
The invention is further provided with: the base material is prepared from PE plastic particles and CPP plastic particles according to the mass ratio of 0.3-0.6: 1 are mixed and compounded.
The invention is further provided with: the chain extender is any one of glyceryl stearate and oleanolic acid.
The invention is further provided with: the preparation process of the modified vermiculite comprises the following steps:
placing proper amount of expanded vermiculite into proper amount of mixed acid according to the solid-liquid ratio of 0.012-0.016 g/mL, heating the obtained expanded vermiculite liquid to 80-90 ℃, and fully stirring for 120-130 min under the condition of 90-100 r/min;
after centrifugal separation, washing the product to be neutral by distilled water, then carrying out suction filtration, and drying at 120-130 ℃;
according to the weight ratio of 0.2-0.4: 1, mixing carbon black with the obtained dry product in a mass ratio, ball milling for 40-50 min, heating the obtained ball milling product to 1700 ℃ in nitrogen atmosphere for reaction for 340-360 min, and calcining the reaction product in a muffle furnace at 720-740 ℃ for 120-130 min;
placing a proper amount of the obtained calcined product into a proper amount of cetyltrimethylammonium bromide solution according to the solid-liquid ratio of 0.02-0.04 g/mL, mixing for 120-130 min under the condition of 300-400 r/min, then standing for 12h, pumping filtering, flushing for 3-5 times by deionized water, and drying in an oven at 80 ℃ to prepare the modified vermiculite.
The invention is further provided with: the mixed acid is prepared from hydrochloric acid and nitric acid according to the proportion of 0.6-0.8: 1 by volume ratio.
The invention is further provided with: the cetyl trimethyl ammonium bromide solution is prepared from cetyl trimethyl ammonium bromide and deionized water according to the proportion of 0.3-0.5: 1 solid-liquid ratio.
The invention is further provided with: the preparation process of the modified talcum powder comprises the following steps:
putting a proper amount of nano titanium dioxide into a proper amount of 75% solution according to a solid-liquid ratio of 0.022-0.026 g/mL, performing ultrasonic dispersion for 30-40 min, then adding sodium polyacrylate with the mass of 2.2-3.2% of the nano titanium dioxide, continuing ultrasonic dispersion for 50-60 min, performing suction filtration, centrifuging for 10-20 min under the condition of 8000-12000 r/min, and drying the centrifugal product in a drying oven at 60 ℃ for 14h;
according to the weight ratio of 0.26-0.28: 1, putting the obtained dry product into a proper amount of talcum powder, grinding for 60-70 min under the condition of 300-320 r/min, then adding deionized water with the mass 2 times of that of the talcum powder, continuously grinding for 90-100 min, carrying out suction filtration, and drying in a drying oven at 60 ℃ for 6h to obtain the modified talcum powder.
The invention is further provided with: the preparation process of the modified tapioca starch comprises the following steps:
placing a proper amount of tapioca starch into a proper amount of carbonic acid according to a solid-liquid ratio of 0.5-0.7 g/mL, and fully stirring and mixing at 60-70 ℃ to obtain tapioca starch mixed solution;
according to the weight ratio of 0.25-0.45: 1, dropwise adding a proper amount of maleic anhydride into a proper amount of tapioca starch mixed solution, adding methanesulfonic acid accounting for 0.12-0.26% of the tapioca starch mixed solution, fully stirring for reaction at 40-50 ℃, filtering the obtained product, washing with deionized water for 5-7 times, and drying in a drying box at 80 ℃ for 4 hours to obtain the modified tapioca starch.
The invention is further provided with: and the release layer is a PE release film.
The second aspect of the invention: the preparation method of the environment-friendly composite adhesive tape is characterized by comprising the following steps of:
coating an adhesive on one side surface of a base layer, curing at 60-80 ℃ and forming an adhesive layer on the base layer;
and step two, coating and combining the release layer and the adhesive layer through a pressing roller to prepare the environment-friendly composite adhesive tape.
Compared with the prior art, the invention has the beneficial effects that:
the composite adhesive tape prepared by the invention is composed of a base layer, a release layer and an adhesive layer arranged between the base layer and the release layer, wherein the adhesive layer is formed by curing an adhesive, the base layer is prepared from raw materials such as base materials, chain extenders, modified vermiculite, glass fibers, polyvinyl silicone oil, gamma-methacryloxypropyl trimethoxysilane, modified talcum powder and the like, the adhesive is prepared from raw materials such as modified tapioca starch, polyethylene glycol-400, dibutyl tin dilaurate, 1, 4-butanediol, dimethylformamide, deionized water and the like, and the adhesive layer is formed on the base layer by coating and curing the adhesive on one side surface of the base layer, and then the release layer and the adhesive layer are laminated through a laminating roller; the prepared composite adhesive tape not only has excellent peel strength and tensile resistance effect; but also has excellent degradability and environmental protection performance.
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 statistical plot of peel strength of the present invention;
FIG. 2 is a statistical graph of the tensile resistance of the present invention;
FIG. 3 is a statistical plot of mass loss rate for the present invention.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The embodiment provides an environment-friendly composite adhesive tape, which consists of a base layer, a release layer and an adhesive layer arranged between the base layer and the release layer, wherein the adhesive layer is formed by curing an adhesive.
Wherein, the release layer is PE release film.
The base layer is prepared from the following raw materials in parts by weight: 50 parts of base material, 8 parts of chain extender, 30 parts of modified vermiculite, 6 parts of glass fiber, 15 parts of polyvinyl silicone oil, 3 parts of gamma-methacryloxypropyl trimethoxysilane and 25 parts of modified talcum powder.
Wherein, the base material is prepared from PE plastic particles and CPP plastic particles according to the mass ratio of 0.3:1 are mixed and compounded.
In this example, PE plastic particles were purchased from Shanghai, king, plasticizing technologies, inc., CPP plastic particles were purchased from Shanghai, kogyo, inc., and glass fibers were purchased from Shandong Futai fiber Co.
The chain extender is glycerol stearate.
The preparation process of the modified vermiculite comprises the following steps:
placing proper amount of expanded vermiculite into proper amount of mixed acid according to the solid-liquid ratio of 0.012g/mL, heating the obtained expanded vermiculite liquid to 80 ℃, and fully stirring for 120min under the condition of 90 r/min;
after centrifugal separation, washing the product to be neutral by distilled water, then carrying out suction filtration, and drying at 120 ℃;
according to 0.2:1, mixing carbon black and the obtained dry product in a mass ratio, ball milling for 40min, heating the obtained ball milled product to 1700 ℃ in nitrogen atmosphere, reacting for 340min, and calcining the reaction product in a muffle furnace at 720 ℃ for 120min;
and (3) placing a proper amount of the obtained calcined product into a proper amount of cetyltrimethylammonium bromide solution according to the solid-liquid ratio of 0.02g/mL, mixing for 120min under the condition of 300r/min, standing for 12h, carrying out suction filtration, washing 3 times with deionized water, and drying in an oven at 80 ℃ to obtain the modified vermiculite.
Further, the mixed acid was prepared from hydrochloric acid and nitric acid at a ratio of 0.6:1 by volume ratio.
Wherein, the cetyl trimethyl ammonium bromide solution is prepared from cetyl trimethyl ammonium bromide and deionized water according to the proportion of 0.3:1 solid-liquid ratio.
In addition, the modified talc was prepared as follows:
placing a proper amount of nano titanium dioxide into a proper amount of 75% solution according to a solid-liquid ratio of 0.022g/mL, performing ultrasonic dispersion for 30min, then adding sodium polyacrylate with the mass of 2.2% of the nano titanium dioxide, continuing ultrasonic dispersion for 50min, performing suction filtration, centrifuging for 10min under the condition of 8000r/min, and drying the centrifugal product in a drying oven at 60 ℃ for 14h;
according to 0.26:1, putting the obtained dry product into a proper amount of talcum powder, grinding for 60min under the condition of 300r/min, then adding deionized water with the mass 2 times of that of the talcum powder, continuously grinding for 90min, suction-filtering, and drying for 6h in a drying box at 60 ℃ to obtain the modified talcum powder.
The preparation process of the base layer is as follows:
adding the base material, the modified vermiculite, the glass fiber, the polyvinyl silicone oil and the modified talcum powder into a kneader for kneading and mixing for 180min, and vacuumizing at 110 ℃ with the vacuum degree range of-0.08 MPa;
adding a chain extender and gamma-methacryloxypropyl trimethoxy silane into a kneader, kneading and mixing for 60min, extruding a sample through an extruder die, and carrying out irradiation crosslinking on the sample under the irradiation absorption dose of 20kGy cobalt source to prepare a base layer;
the bonding layer is prepared from the following raw materials in parts by weight: 20 parts of modified tapioca starch, 10 parts of polyethylene glycol-400, 10 parts of dibutyltin dilaurate, 4 parts of 1, 4-butanediol, 5 parts of dimethylformamide and 25 parts of deionized water;
the preparation process of the adhesive is as follows:
accurately weighing modified tapioca starch, polyethylene glycol-400, dibutyl tin dilaurate, 1, 4-butanediol, dimethylformamide and deionized water, and uniformly mixing the modified tapioca starch, the dibutyl tin dilaurate, the 1, 4-butanediol and the dimethylformamide at the temperature of 80r/min and the temperature of 70 ℃;
and adding dibutyl tin dilaurate, stirring for 40min under the condition of 120r/min, cooling to 50 ℃, adding deionized water, and emulsifying for 120min to obtain the adhesive.
The preparation process of the modified tapioca starch comprises the following steps:
placing a proper amount of tapioca starch into a proper amount of carbonic acid according to a solid-liquid ratio of 0.5g/mL, and fully stirring and mixing at 60 ℃ to obtain tapioca starch mixed solution;
according to 0.25:1, dropwise adding a proper amount of maleic anhydride into a proper amount of tapioca starch mixed solution, adding methanesulfonic acid with the volume of 0.12% of the tapioca starch mixed solution, fully stirring and reacting at 40 ℃, filtering the obtained product, washing with deionized water for 5 times, and drying in a drying oven at 80 ℃ for 4 hours to obtain the modified tapioca starch.
In addition, the embodiment also provides a preparation method of the environment-friendly composite adhesive tape, which is characterized by comprising the following steps:
coating an adhesive on one side surface of a base layer, curing at 60 ℃ and forming an adhesive layer on the base layer;
and step two, coating and combining the release layer and the adhesive layer through a pressing roller to prepare the environment-friendly composite adhesive tape.
Example 2
The embodiment provides an environment-friendly composite adhesive tape, which consists of a base layer, a release layer and an adhesive layer arranged between the base layer and the release layer, wherein the adhesive layer is formed by curing an adhesive.
Wherein, the release layer is PE release film.
The base layer is prepared from the following raw materials in parts by weight: 55 parts of base material, 10 parts of chain extender, 35 parts of modified vermiculite, 8 parts of glass fiber, 20 parts of polyvinyl silicone oil, 4 parts of gamma-methacryloxypropyl trimethoxysilane and 30 parts of modified talcum powder.
Wherein, the base material is prepared from PE plastic particles and CPP plastic particles according to the mass ratio of 0.4:1 are mixed and compounded.
In this example, PE plastic particles were purchased from Shanghai, king, plasticizing technologies, inc., CPP plastic particles were purchased from Shanghai, kogyo, inc., and glass fibers were purchased from Shandong Futai fiber Co.
The chain extender is oleanolic acid.
The preparation process of the modified vermiculite comprises the following steps:
placing proper amount of expanded vermiculite into proper amount of mixed acid according to the solid-liquid ratio of 0.014g/mL, heating the obtained expanded vermiculite to 85 ℃, and fully stirring for 125min under the condition of 95 r/min;
after centrifugal separation, washing the product to be neutral by distilled water, then carrying out suction filtration, and drying at 125 ℃;
according to 0.3:1, mixing carbon black and the obtained dry product in a mass ratio, ball milling for 45min, heating the obtained ball milled product to 1700 ℃ in nitrogen atmosphere, reacting for 350min, and calcining the reaction product in a muffle furnace at 730 ℃ for 125min;
and (3) placing a proper amount of the obtained calcined product into a proper amount of cetyltrimethylammonium bromide solution according to the solid-liquid ratio of 0.03g/mL, mixing for 125min under the condition of 350r/min, standing for 12h, carrying out suction filtration, washing for 4 times by using deionized water, and drying in an oven at 80 ℃ to obtain the modified vermiculite.
Further, the mixed acid was prepared from hydrochloric acid and nitric acid at a ratio of 0.7:1 by volume ratio.
Wherein, the cetyl trimethyl ammonium bromide solution is prepared from cetyl trimethyl ammonium bromide and deionized water according to the proportion of 0.4:1 solid-liquid ratio.
In addition, the modified talc was prepared as follows:
putting a proper amount of nano titanium dioxide into a proper amount of 75% solution according to a solid-liquid ratio of 0.024g/mL, performing ultrasonic dispersion for 35min, then adding sodium polyacrylate with the mass of 2.7% of nano titanium dioxide, continuing ultrasonic dispersion for 55min, performing suction filtration, centrifuging for 15min under the condition of 10000r/min, and drying the centrifugal product in a drying oven at 60 ℃ for 14h;
according to 0.27:1, putting the obtained dry product into a proper amount of talcum powder, grinding for 65min under the condition of 310r/min, then adding deionized water with the mass 2 times of that of the talcum powder, continuously grinding for 95min, suction-filtering, and drying in a drying box at 60 ℃ for 6h to obtain the modified talcum powder.
The preparation process of the base layer is as follows:
adding the base material, the modified vermiculite, the glass fiber, the polyvinyl silicone oil and the modified talcum powder into a kneader for kneading and mixing for 185min, and vacuumizing at 150 ℃ with the vacuum degree range of-0.10 MPa;
adding a chain extender and gamma-methacryloxypropyl trimethoxy silane into a kneader, kneading and mixing for 65min, extruding a sample through an extruder die, and carrying out irradiation crosslinking on the sample under the irradiation absorption dose of 80kGy cobalt source to prepare a base layer;
the adhesive is prepared from the following raw materials in parts by weight: 25 parts of modified tapioca starch, 11 parts of polyethylene glycol-400, 15 parts of dibutyltin dilaurate, 5 parts of 1, 4-butanediol, 6 parts of dimethylformamide and 30 parts of deionized water;
the preparation process of the adhesive is as follows:
accurately weighing modified tapioca starch, polyethylene glycol-400, dibutyl tin dilaurate, 1, 4-butanediol, dimethylformamide and deionized water, and uniformly mixing the modified tapioca starch, the dibutyl tin dilaurate, the 1, 4-butanediol and the dimethylformamide at the temperature of 85r/min and the temperature of 71 ℃;
and adding dibutyl tin dilaurate, stirring for 45min under the condition of 130r/min, cooling to 50 ℃, adding deionized water, and emulsifying for 125min to obtain the adhesive.
The preparation process of the modified tapioca starch comprises the following steps:
placing a proper amount of tapioca starch into a proper amount of carbonic acid according to a solid-liquid ratio of 0.6g/mL, and fully stirring and mixing at 65 ℃ to obtain tapioca starch mixed solution;
according to 0.35:1, dropwise adding a proper amount of maleic anhydride into a proper amount of tapioca starch mixed solution, adding methanesulfonic acid with the volume of 0.18% of the tapioca starch mixed solution, fully stirring and reacting at 45 ℃, filtering the obtained product, washing with deionized water for 6 times, and drying in a drying oven at 80 ℃ for 4 hours to obtain the modified tapioca starch.
In addition, the embodiment also provides a preparation method of the environment-friendly composite adhesive tape, which is characterized by comprising the following steps:
coating an adhesive on one side surface of a base layer, curing at 70 ℃ and forming an adhesive layer on the base layer;
and step two, coating and combining the release layer and the adhesive layer through a pressing roller to prepare the environment-friendly composite adhesive tape.
Example 3
The embodiment provides an environment-friendly composite adhesive tape, which consists of a base layer, a release layer and an adhesive layer arranged between the base layer and the release layer, wherein the adhesive layer is formed by curing an adhesive.
Wherein, the release layer is PE release film.
The base layer is prepared from the following raw materials in parts by weight: 60 parts of base material, 12 parts of chain extender, 40 parts of modified vermiculite, 10 parts of glass fiber, 25 parts of polyvinyl silicone oil, 5 parts of gamma-methacryloxypropyl trimethoxysilane and 35 parts of modified talcum powder.
Wherein, the base material is prepared from PE plastic particles and CPP plastic particles according to the mass ratio of 0.6:1 are mixed and compounded.
In this example, PE plastic particles were purchased from Shanghai, king, plasticizing technologies, inc., CPP plastic particles were purchased from Shanghai, kogyo, inc., and glass fibers were purchased from Shandong Futai fiber Co.
The chain extender is glycerol stearate.
The preparation process of the modified vermiculite comprises the following steps:
placing proper amount of expanded vermiculite into proper amount of mixed acid according to the solid-liquid ratio of 0.016g/mL, heating the obtained expanded vermiculite to 90 ℃, and fully stirring for 130min under the condition of 100 r/min;
after centrifugal separation, washing the product to be neutral by distilled water, then carrying out suction filtration, and drying at 130 ℃;
according to 0.4:1, mixing carbon black and the obtained dry product in a mass ratio, ball milling for 50min, heating the obtained ball milling product to 1700 ℃ in nitrogen atmosphere, reacting for 360min, and calcining the reaction product in a muffle furnace at 740 ℃ for 130min;
and (3) placing a proper amount of the obtained calcined product into a proper amount of cetyltrimethylammonium bromide solution according to the solid-liquid ratio of 0.04g/mL, mixing for 130min under the condition of 400r/min, standing for 12h, carrying out suction filtration, washing with deionized water for 5 times, and drying in an oven at 80 ℃ to obtain the modified vermiculite.
Further, the mixed acid was prepared from hydrochloric acid and nitric acid at a ratio of 0.8:1 by volume ratio.
Wherein, the cetyl trimethyl ammonium bromide solution is prepared from cetyl trimethyl ammonium bromide and deionized water according to the proportion of 0.5:1 solid-liquid ratio.
In addition, the modified talc was prepared as follows:
placing a proper amount of nano titanium dioxide into a proper amount of 75% solution according to a solid-to-liquid ratio of 0.026g/mL, performing ultrasonic dispersion for 40min, then adding sodium polyacrylate with the mass of 3.2% of the nano titanium dioxide, continuing ultrasonic dispersion for 60min, performing suction filtration, centrifuging for 20min under the condition of 12000r/min, and drying the centrifugal product in a drying oven at 60 ℃ for 14h;
according to 0.28:1, putting the obtained dry product into a proper amount of talcum powder, grinding for 70min under the condition of 320r/min, then adding deionized water with the mass 2 times of that of the talcum powder, continuously grinding for 100min, suction-filtering, and drying in a drying box at 60 ℃ for 6h to obtain the modified talcum powder.
The preparation process of the base layer is as follows:
adding the base material, the modified vermiculite, the glass fiber, the polyvinyl silicone oil and the modified talcum powder into a kneader for kneading and mixing for 190min, and vacuumizing at 180 ℃ with the vacuum degree range of-0.12 MPa;
adding a chain extender and gamma-methacryloxypropyl trimethoxy silane into a kneader, kneading and mixing for 70min, extruding a sample through an extruder die, and carrying out irradiation crosslinking on the sample under the irradiation absorption dose of a cobalt source of 120kGy to prepare a base layer;
the adhesive is prepared from the following raw materials in parts by weight: 30 parts of modified tapioca starch, 12 parts of polyethylene glycol-400, 20 parts of dibutyltin dilaurate, 6 parts of 1, 4-butanediol, 7 parts of dimethylformamide and 35 parts of deionized water;
the preparation process of the adhesive is as follows:
accurately weighing modified tapioca starch, polyethylene glycol-400, dibutyl tin dilaurate, 1, 4-butanediol, dimethylformamide and deionized water, and uniformly mixing the modified tapioca starch, the dibutyl tin dilaurate, the 1, 4-butanediol and the dimethylformamide at the temperature of 90r/min and at the temperature of 72 ℃;
and adding dibutyl tin dilaurate, stirring for 50min at 150r/min, cooling to 50 ℃, adding deionized water, and emulsifying for 130min to obtain the adhesive.
The preparation process of the modified tapioca starch comprises the following steps:
placing a proper amount of tapioca starch into a proper amount of carbonic acid according to a solid-liquid ratio of 0.7g/mL, and fully stirring and mixing at 70 ℃ to obtain tapioca starch mixed solution;
according to 0.45:1, dropwise adding a proper amount of maleic anhydride into a proper amount of tapioca starch mixed solution, adding methanesulfonic acid with the volume of 0.26% of the tapioca starch mixed solution, fully stirring for reaction at 50 ℃, filtering the obtained product, washing with deionized water for 7 times, and drying in a drying oven at 80 ℃ for 4 hours to obtain the modified tapioca starch.
In addition, the embodiment also provides a preparation method of the environment-friendly composite adhesive tape, which is characterized by comprising the following steps:
coating an adhesive on one side surface of a base layer, curing at 80 ℃ and forming an adhesive layer on the base layer;
and step two, coating and combining the release layer and the adhesive layer through a pressing roller to prepare the environment-friendly composite adhesive tape.
Comparative example 1: the preparation method and the specific proportion of the raw materials of the composite adhesive tape provided by the embodiment are approximately the same as those of the embodiment 1, and the main differences are that: in this embodiment the modified vermiculite is directly replaced by vermiculite.
Comparative example 2: the preparation method and the specific proportion of the raw materials of the composite adhesive tape provided by the embodiment are approximately the same as those of the embodiment 1, and the main differences are that: in this example the modified talc is directly replaced by talc.
Comparative example 3: the preparation method and the specific proportion of the raw materials of the composite adhesive tape provided by the embodiment are approximately the same as those of the embodiment 1, and the main differences are that: in this example the modified tapioca starch is directly replaced by tapioca starch.
Effect testing
The composite tapes prepared by examples 1 to 3 in the present invention were respectively referred to as experimental examples 1 to 3; the composite tapes prepared by comparative examples 1 to 3 were designated as comparative examples 1 to 3; the performance of each equivalent set of composite tape samples was then separately tested.
Test 1, mechanical property test and result analysis:
the peel strength of each group of composite adhesive tape samples was tested (180 °) according to the test standard of GB/T2792-1987, and the tensile resistance of each group of composite adhesive tape samples was tested according to the test standard of GB/T7753-1987. The relevant data are recorded in table 1.
Table 1: test data record table
| Group of | Peel strength (N/in) | Tensile strength (N/in) |
| Example group 1 | 5 | 60 |
| Example group 2 | 5 | 62 |
| Example 3 group | 5 | 60 |
| Comparative group 1 | 5 | 45 |
| Comparative group 2 | 5 | 50 |
| Comparative group 3 | 2 | 55 |
As can be seen from table 1 and fig. 1 to 2, the composite adhesive tapes of examples 1 to 3 can significantly improve the peel strength and tensile resistance; while the differences between the example groups are not apparent. The above results indicate that the composite tapes of examples 1 to 3 have excellent peel strength and tensile resistance effects.
To verify the effect of the components of the present additive, tests of comparative examples 1 to 3 were set up.
The main difference between the raw material ratios of the composite tapes of the comparative group 1 and the example 1 is that the modified vermiculite is directly replaced by vermiculite. The peel strength of the composite tape of comparative group 1 was found to be reduced by 0N/in and the tensile resistance was reduced by 15N/in as compared to the example 1 group. The result shows that the modified vermiculite plays an important role in improving the tensile resistance of the composite adhesive tape, and has no influence on the peeling strength.
The main difference between the raw material ratios of the compound adhesive tapes of the comparative group 2 and the example 1 is that the modified talcum powder is directly replaced by talcum powder. The peel strength of the composite tape of comparative group 2 was found to be reduced by 0N/in and the tensile resistance was reduced by 10N/in as compared to the example 1 group. The result shows that the modified talcum powder plays a certain role in improving the tensile resistance of the composite adhesive tape, and has no influence on the peeling strength.
The main difference between the raw material ratios of the composite tapes of the comparative group 3 and the example 1 is that the modified tapioca starch is directly replaced by tapioca starch. The peel strength of the composite tape of comparative group 3 was found to be reduced by 3N/in and the tensile resistance was reduced by 5N/in as compared to the example 1 group. The result shows that the modified tapioca starch has an effect on improving the tensile resistance of the composite adhesive tape and has an effect on the peel strength performance.
Test 2, biodegradation test and result analysis:
each group of composite adhesive tape samples (20+ -2 g by mass) was selected, placed in an environment with a temperature of 15+ -1deg.C and an air relative humidity of 65+ -5%, and uniformly mixed with 500g of soil, which had the same physicochemical properties and the same microorganism type and content, and left for 2 months, and then washed, dried, weighed, mass loss rate was calculated, and the relevant data was recorded in Table 2.
Table 2: test data record table
As can be seen from table 2 and fig. 3, the composite tapes of examples 1 to 3 were degradable; while the mass loss rate differences between the example groups are not significant. The results show that the composite adhesive tapes of examples 1-3 are degradable and environment-friendly.
To verify the effect of the components of the present additive, tests of comparative examples 1 to 3 were set up.
The main difference between the raw material ratios of the composite tapes of the comparative group 1 and the example 1 is that the modified vermiculite is directly replaced by vermiculite. The mass loss rate of the composite tape of comparative group 1 was found to be reduced by 1.3% compared to example 1. The result shows that the modified vermiculite plays a certain role in improving the degradation of the composite adhesive tape.
The main difference between the raw material ratios of the compound adhesive tapes of the comparative group 2 and the example 1 is that the modified talcum powder is directly replaced by talcum powder. The mass loss rate of the composite tape of comparative group 2 was found to be reduced by 0.5% compared to the example 1 group. The result shows that the modified talcum powder has little influence on improving the degradation performance of the composite adhesive tape.
The main difference between the raw material ratios of the composite tapes of the comparative group 3 and the example 1 is that the modified tapioca starch is directly replaced by tapioca starch. The mass loss rate of the composite tape of comparative group 3 was found to be reduced by 2% compared to example 1. The result shows that the modified tapioca starch plays an important role in improving the degradation effect of the composite adhesive tape.
From the above, the composite adhesive tape prepared by the invention has excellent peel strength and tensile resistance effect; but also has excellent degradability and environmental protection performance. Therefore, the composite adhesive tape produced by the invention has wider market prospect and is more suitable for popularization.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (10)
1. An environment-friendly composite adhesive tape is characterized in that: the composite adhesive tape consists of a base layer, a release layer and an adhesive layer arranged between the base layer and the release layer, wherein the adhesive layer is formed by curing an adhesive;
the base layer is prepared from the following raw materials in parts by weight: 50 to 60 parts of base material, 8 to 12 parts of chain extender, 30 to 40 parts of modified vermiculite, 6 to 10 parts of glass fiber, 15 to 25 parts of polyvinyl silicone oil, 3 to 5 parts of gamma-methacryloxypropyl trimethoxy silane and 25 to 35 parts of modified talcum powder;
the preparation process of the base layer comprises the following steps:
adding the base material, the modified vermiculite, the glass fiber, the polyvinyl silicone oil and the modified talcum powder into a kneader for kneading and mixing for 180-190 min, and vacuumizing at 110-180 ℃ with the vacuum degree ranging from-0.08 MPa to-0.12 MPa;
adding a chain extender and gamma-methacryloxypropyl trimethoxy silane into a kneader, kneading and mixing for 60-70 min, extruding a sample through an extruder die, and carrying out irradiation crosslinking on the sample under the irradiation absorption dose of 20-120 kGy cobalt source to prepare a base layer;
the adhesive is prepared from the following raw materials in parts by weight: 20-30 parts of modified tapioca starch, 10-12 parts of polyethylene glycol-400, 10-20 parts of dibutyl tin dilaurate, 4-6 parts of 1, 4-butanediol, 5-7 parts of dimethylformamide and 25-35 parts of deionized water;
the preparation process of the adhesive is as follows:
accurately weighing modified tapioca starch, polyethylene glycol-400, dibutyl tin dilaurate, 1, 4-butanediol, dimethylformamide and deionized water, and uniformly mixing the modified tapioca starch, the dibutyl tin dilaurate, the 1, 4-butanediol and the dimethylformamide at the temperature of between 80 and 90r/min and the temperature of between 70 and 72 ℃;
and then adding dibutyl tin dilaurate, stirring for 40-50 min under the condition of 120-150 r/min, cooling to 50 ℃, adding deionized water, and emulsifying for 120-130 min to obtain the adhesive.
2. An environmental protection type composite adhesive tape according to claim 1, wherein: the base material is prepared from PE plastic particles and CPP plastic particles according to the mass ratio of 0.3-0.6: 1 are mixed and compounded.
3. An environmental protection type composite adhesive tape according to claim 1, wherein: the chain extender is any one of glyceryl stearate and oleanolic acid.
4. An environmental protection type composite adhesive tape according to claim 1, wherein: the preparation process of the modified vermiculite comprises the following steps:
placing proper amount of expanded vermiculite into proper amount of mixed acid according to the solid-liquid ratio of 0.012-0.016 g/mL, heating the obtained expanded vermiculite liquid to 80-90 ℃, and fully stirring for 120-130 min under the condition of 90-100 r/min;
after centrifugal separation, washing the product to be neutral by distilled water, then carrying out suction filtration, and drying at 120-130 ℃;
according to the weight ratio of 0.2-0.4: 1, mixing carbon black with the obtained dry product in a mass ratio, ball milling for 40-50 min, heating the obtained ball milling product to 1700 ℃ in nitrogen atmosphere for reaction for 340-360 min, and calcining the reaction product in a muffle furnace at 720-740 ℃ for 120-130 min;
placing a proper amount of the obtained calcined product into a proper amount of cetyltrimethylammonium bromide solution according to the solid-liquid ratio of 0.02-0.04 g/mL, mixing for 120-130 min under the condition of 300-400 r/min, then standing for 12h, pumping filtering, flushing for 3-5 times by deionized water, and drying in an oven at 80 ℃ to prepare the modified vermiculite.
5. An environmental protection type composite adhesive tape according to claim 4, wherein: the mixed acid is prepared from hydrochloric acid and nitric acid according to the proportion of 0.6-0.8: 1 by volume ratio.
6. An environmental protection type composite adhesive tape according to claim 4, wherein: the cetyl trimethyl ammonium bromide solution is prepared from cetyl trimethyl ammonium bromide and deionized water according to the proportion of 0.3-0.5: 1 solid-liquid ratio.
7. An environmental protection type composite adhesive tape according to claim 1, wherein: the preparation process of the modified talcum powder comprises the following steps:
putting a proper amount of nano titanium dioxide into a proper amount of 75% solution according to a solid-liquid ratio of 0.022-0.026 g/mL, performing ultrasonic dispersion for 30-40 min, then adding sodium polyacrylate with the mass of 2.2-3.2% of the nano titanium dioxide, continuing ultrasonic dispersion for 50-60 min, performing suction filtration, centrifuging for 10-20 min under the condition of 8000-12000 r/min, and drying the centrifugal product in a drying oven at 60 ℃ for 14h;
according to the weight ratio of 0.26-0.28: 1, putting the obtained dry product into a proper amount of talcum powder, grinding for 60-70 min under the condition of 300-320 r/min, then adding deionized water with the mass 2 times of that of the talcum powder, continuously grinding for 90-100 min, carrying out suction filtration, and drying in a drying oven at 60 ℃ for 6h to obtain the modified talcum powder.
8. An environmental protection type composite adhesive tape according to claim 1, wherein: the preparation process of the modified tapioca starch comprises the following steps:
placing a proper amount of tapioca starch into a proper amount of carbonic acid according to a solid-liquid ratio of 0.5-0.7 g/mL, and fully stirring and mixing at 60-70 ℃ to obtain tapioca starch mixed solution;
according to the weight ratio of 0.25-0.45: 1, dropwise adding a proper amount of maleic anhydride into a proper amount of tapioca starch mixed solution, adding methanesulfonic acid accounting for 0.12-0.26% of the tapioca starch mixed solution, fully stirring for reaction at 40-50 ℃, filtering the obtained product, washing with deionized water for 5-7 times, and drying in a drying box at 80 ℃ for 4 hours to obtain the modified tapioca starch.
9. An environmental protection type composite adhesive tape according to claim 1, wherein: and the release layer is a PE release film.
10. The method for preparing an environment-friendly composite adhesive tape according to any one of claims 1 to 9, comprising the steps of:
coating an adhesive on one side surface of a base layer, curing at 60-80 ℃ and forming an adhesive layer on the base layer;
and step two, coating and combining the release layer and the adhesive layer through a pressing roller to prepare the environment-friendly composite adhesive tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311687463.5A CN117659896B (en) | 2023-12-11 | 2023-12-11 | Environment-friendly composite adhesive tape and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311687463.5A CN117659896B (en) | 2023-12-11 | 2023-12-11 | Environment-friendly composite adhesive tape and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117659896A true CN117659896A (en) | 2024-03-08 |
| CN117659896B CN117659896B (en) | 2024-06-14 |
Family
ID=90080553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311687463.5A Active CN117659896B (en) | 2023-12-11 | 2023-12-11 | Environment-friendly composite adhesive tape and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117659896B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118271987A (en) * | 2024-05-16 | 2024-07-02 | 滕州市晶凯包装制品有限公司 | Degradable adhesive tape and preparation method and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012025828A (en) * | 2010-07-22 | 2012-02-09 | Shin-Etsu Chemical Co Ltd | Releasing film |
| CN112812739A (en) * | 2020-12-31 | 2021-05-18 | 河北诚和龙盛电力工程有限公司 | Silicone rubber self-adhesive tape and preparation method thereof |
| CN112898665A (en) * | 2021-01-25 | 2021-06-04 | 孙牡花 | Environment-friendly composite plastic film and preparation method thereof |
| CN113214749A (en) * | 2021-06-07 | 2021-08-06 | 深圳市沃尔核材股份有限公司 | Waterproof insulating composite adhesive tape and preparation method thereof |
| CN113372833A (en) * | 2021-06-07 | 2021-09-10 | 深圳市沃尔核材股份有限公司 | Flame-retardant waterproof composite adhesive tape and preparation method thereof |
| WO2023231695A1 (en) * | 2022-06-02 | 2023-12-07 | 中广核达胜加速器技术有限公司 | Method for rapid batch preparation of mica tape |
-
2023
- 2023-12-11 CN CN202311687463.5A patent/CN117659896B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012025828A (en) * | 2010-07-22 | 2012-02-09 | Shin-Etsu Chemical Co Ltd | Releasing film |
| CN112812739A (en) * | 2020-12-31 | 2021-05-18 | 河北诚和龙盛电力工程有限公司 | Silicone rubber self-adhesive tape and preparation method thereof |
| CN112898665A (en) * | 2021-01-25 | 2021-06-04 | 孙牡花 | Environment-friendly composite plastic film and preparation method thereof |
| CN113214749A (en) * | 2021-06-07 | 2021-08-06 | 深圳市沃尔核材股份有限公司 | Waterproof insulating composite adhesive tape and preparation method thereof |
| CN113372833A (en) * | 2021-06-07 | 2021-09-10 | 深圳市沃尔核材股份有限公司 | Flame-retardant waterproof composite adhesive tape and preparation method thereof |
| WO2023231695A1 (en) * | 2022-06-02 | 2023-12-07 | 中广核达胜加速器技术有限公司 | Method for rapid batch preparation of mica tape |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118271987A (en) * | 2024-05-16 | 2024-07-02 | 滕州市晶凯包装制品有限公司 | Degradable adhesive tape and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117659896B (en) | 2024-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117659896B (en) | Environment-friendly composite adhesive tape and preparation method thereof | |
| CN110079265B (en) | UV (ultraviolet)/moisture dual-curing pressure-sensitive adhesive and preparation method thereof | |
| CN103781869B (en) | Adhesive composition and laser joint adhesive tape | |
| CN103474126B (en) | Can the electrocondution slurry of UV surface cure and conductive film circuit production method thereof fast | |
| CN107130768A (en) | A kind of double layer fibre felt enhancing plastic floor and preparation method thereof | |
| Liu et al. | Dialdehyde starch reinforced polyacrylate-polyethylene glycol resin for impregnated decorative paper with improved toughness and ultra-low formaldehyde emission | |
| CN110273529A (en) | A kind of glass magnesium board floor and preparation method thereof | |
| CN113512399B (en) | Activated lignin modified formaldehyde-free soybean meal-based adhesive and preparation method and application thereof | |
| CN110527334B (en) | Vacuum visible light room temperature curing composite film based on carbon quantum dots and preparation method | |
| CN112778966A (en) | Ketoxime-removing type silicone sealant with high light transmittance and preparation method thereof | |
| CN106272843A (en) | A kind of Eucalyptus floor base material | |
| CN116179110A (en) | High-temperature-resistant pressure-sensitive adhesive tape and preparation method thereof | |
| CN110564340B (en) | UV (ultraviolet) moisture dual-curing hot melt adhesive film and preparation method and application thereof | |
| CN107434961A (en) | A kind of insulating tape primer and preparation method thereof | |
| CN113265203B (en) | Blue light resistant adhesive film, high-stripping-force blue light resistant adhesive film and preparation method | |
| CN118024697B (en) | Double-layer composite PET protective film and preparation method thereof | |
| Ma et al. | Soybean oil-based random copolymers based on hydrogen bond crosslinked networks as reprocessable, recyclable and multifunctional adhesive materials | |
| CN114133913A (en) | Waste molasses-based high-strength environment-friendly formaldehyde-free adhesive and preparation method and application thereof | |
| CN114163858A (en) | Photocuring PET coating and preparation method thereof, and preparation method and application of PET substrate | |
| CN112048276A (en) | Shading glue for electronic product and preparation method thereof | |
| CN112159571A (en) | Impact-resistant PVC sheet and preparation method thereof | |
| CN117229726B (en) | High-performance double-layer-structured acrylic OCA optical adhesive and preparation method thereof | |
| CN111440545B (en) | Full-lamination reactive hot-melt optical adhesive and preparation method thereof | |
| CN118580782A (en) | TPO self-adhesive waterproof sheet and preparation method thereof | |
| CN113667096A (en) | Environment-friendly MDI glue and contain its fire prevention formaldehyde-free panel for furniture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |