CN113930173A - High-temperature-resistant environment-friendly masking tape and preparation process thereof - Google Patents
High-temperature-resistant environment-friendly masking tape and preparation process thereof Download PDFInfo
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- CN113930173A CN113930173A CN202111245300.2A CN202111245300A CN113930173A CN 113930173 A CN113930173 A CN 113930173A CN 202111245300 A CN202111245300 A CN 202111245300A CN 113930173 A CN113930173 A CN 113930173A
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- 230000000873 masking effect Effects 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- 239000000853 adhesive Substances 0.000 claims abstract description 38
- 230000001070 adhesive effect Effects 0.000 claims abstract description 38
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 19
- 239000012153 distilled water Substances 0.000 claims abstract description 17
- 239000003999 initiator Substances 0.000 claims abstract description 17
- 235000012424 soybean oil Nutrition 0.000 claims abstract description 17
- 239000003549 soybean oil Substances 0.000 claims abstract description 17
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 16
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims abstract description 14
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims abstract description 13
- HMZGPNHSPWNGEP-UHFFFAOYSA-N octadecyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)C(C)=C HMZGPNHSPWNGEP-UHFFFAOYSA-N 0.000 claims abstract description 12
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims abstract description 8
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims abstract description 8
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 7
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 7
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000012790 adhesive layer Substances 0.000 claims abstract description 6
- 239000003002 pH adjusting agent Substances 0.000 claims abstract description 3
- 238000003756 stirring Methods 0.000 claims description 80
- 238000006243 chemical reaction Methods 0.000 claims description 77
- 239000000203 mixture Substances 0.000 claims description 50
- 239000000839 emulsion Substances 0.000 claims description 45
- 239000000243 solution Substances 0.000 claims description 25
- 239000011248 coating agent Substances 0.000 claims description 15
- 238000000576 coating method Methods 0.000 claims description 15
- 239000002390 adhesive tape Substances 0.000 claims description 13
- 239000000178 monomer Substances 0.000 claims description 12
- -1 2, 2-methylene Chemical group 0.000 claims description 11
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 11
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 11
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 10
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 claims description 10
- 239000003921 oil Substances 0.000 claims description 10
- 235000019198 oils Nutrition 0.000 claims description 10
- 238000004448 titration Methods 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 6
- IKEHOXWJQXIQAG-UHFFFAOYSA-N 2-tert-butyl-4-methylphenol Chemical compound CC1=CC=C(O)C(C(C)(C)C)=C1 IKEHOXWJQXIQAG-UHFFFAOYSA-N 0.000 claims description 5
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical group OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 5
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 5
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- WROUWQQRXUBECT-UHFFFAOYSA-M 2-ethylacrylate Chemical compound CCC(=C)C([O-])=O WROUWQQRXUBECT-UHFFFAOYSA-M 0.000 claims description 2
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical group [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 2
- 238000004821 distillation Methods 0.000 claims 1
- 239000003960 organic solvent Substances 0.000 abstract description 6
- 230000000052 comparative effect Effects 0.000 description 17
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 9
- 229910052939 potassium sulfate Inorganic materials 0.000 description 9
- 235000011151 potassium sulphates Nutrition 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 230000006750 UV protection Effects 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- RNMDNPCBIKJCQP-UHFFFAOYSA-N 5-nonyl-7-oxabicyclo[4.1.0]hepta-1,3,5-trien-2-ol Chemical compound C(CCCCCCCC)C1=C2C(=C(C=C1)O)O2 RNMDNPCBIKJCQP-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- ZBTGXRBMYGTQHK-UHFFFAOYSA-N azanium;2-nonylphenolate Chemical compound N.CCCCCCCCCC1=CC=CC=C1O ZBTGXRBMYGTQHK-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 150000003254 radicals Chemical group 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000008096 xylene 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
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/21—Paper; Textile fabrics
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F289/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds not provided for in groups C08F251/00 - C08F287/00
-
- 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
- C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/20—Presence of organic materials
- C09J2400/28—Presence of paper
- C09J2400/283—Presence of paper in the substrate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2451/00—Presence of graft polymer
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)
- Adhesive Tapes (AREA)
Abstract
The invention provides a high-temperature-resistant environment-friendly masking tape and a preparation process thereof, belonging to the technical field of masking tapes, and comprising masking paper and an adhesive layer arranged on the surface of the masking paper, wherein the adhesive layer consists of an adhesive, and the adhesive consists of the following components in percentage by weight: 50-65 parts of acrylic acid-2-ethyl ester; 15-25 parts of butyl acrylate; 5-15 parts of alpha-methacrylic acid; 5-10 parts of octadecyl methacrylate; 5-10 parts of epoxidized soybean oil; 3-5 parts of styrene; 1-5 parts of acrylamide; 1-3 parts of acrylonitrile; 1-3 parts of propylene glycol monomethyl ether; 0.1-0.3 part of initiator; 2-7 parts of an emulsifier; 0-3 parts of an antioxidant; a pH adjusting agent; and distilled water, wherein the solid content of the adhesive is 60-70%. The high-temperature-resistant environment-friendly masking tape adopts water to replace an organic solvent, has environment-friendly operation, and is good in adhesive viscosity and capable of resisting high temperature of 150 ℃; the high-temperature-resistant environment-friendly masking tape is simple in preparation process, wide in source and suitable for industrial large-scale popularization.
Description
Technical Field
The invention belongs to the technical field of masking tape, and particularly relates to a high-temperature-resistant environment-friendly masking tape and a preparation process thereof.
Background
The masking paper has clear and bright color separation effect boundary lines and arc art effect, brings a new technical revolution to the decoration and spraying industry, and enables the industry to glow with a new vitality. The masking tape is soft, and can be widely used in high-temperature baking finish of automobiles, locomotives, metals, hardware fittings, computers, electronic components, glass, baking finish boards, sputtering, sports equipment, rubber and plastic components and the like, and can also be used in general decoration and fitment.
The masking paper adhesive has good adhesion with materials such as foam, wood, plastic, leather, fabric, ceramic, metal, rubber, glass and the like, so that the application is wide. However, the traditional adhesive adopts organic solvents such as toluene, acetone, xylene and butanone, and the organic solvents are flammable and explosive, have large odor and are volatile, and have potential safety hazards to the environment and human health, so that the water solvent is used for replacing the organic solvents in various countries at present. However, the compatibility between water and adhesives is reduced, which results in insufficient viscosity, and in some occasions, high-temperature operation is required, which results in a certain limitation on the development of water-soluble adhesives.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the high-temperature-resistant environment-friendly masking tape and the preparation process thereof, the adhesive used by the high-temperature-resistant environment-friendly masking tape adopts water to replace an organic solvent, and the high-temperature-resistant environment-friendly masking tape has environment-friendly operation, good adhesive viscosity and can resist the high temperature of 150 ℃; the high-temperature-resistant environment-friendly masking tape is simple in preparation process, wide in source and suitable for industrial large-scale popularization.
In order to achieve the purpose, the invention is realized by the following technical scheme: the high-temperature-resistant environment-friendly masking tape comprises masking paper and an adhesive layer arranged on the surface of the masking paper, wherein the adhesive layer is composed of an adhesive, and the adhesive is composed of the following components in percentage by weight:
50-65 parts of acrylic acid-2-ethyl ester;
15-25 parts of butyl acrylate;
5-15 parts of alpha-methacrylic acid;
5-10 parts of octadecyl methacrylate;
5-10 parts of epoxidized soybean oil;
3-5 parts of styrene;
1-5 parts of acrylamide;
1-3 parts of acrylonitrile;
1-3 parts of propylene glycol monomethyl ether;
0.1-0.3 part of initiator;
2-7 parts of an emulsifier;
0-3 parts of an antioxidant;
a pH adjusting agent;
distilled water;
the solid content of the adhesive is 60-70%.
The acrylic acid series copolymer can be generated by adopting the monomers, has better water solubility and cohesive force and good high temperature resistance, and can enable the adhesive to be easily stripped, wherein the octadecyl methacrylate has longer carbon chain and lower glass transition temperature, and can be polymerized into the branched chain to adjust the viscosity; the epoxy group of the epoxidized soybean oil can participate in copolymerization reaction after ring opening, and propylene glycol monomethyl ether can promote film formation.
Further, the initiator is potassium persulfate. The initiator causes polymerization between the monomers.
Further, the emulsifier is a mixture of nonylphenol polyoxyethylene ether ammonium sulfate and nonylphenol polyoxyethylene ether in a mass ratio of 1-3: 1-4. The ammonium nonylphenol polyoxyethylene ether sulfate salt is an anionic surfactant, the polyoxyethylene nonylphenol ether is a free radical surfactant, and the combination of the two types of emulsifiers can promote the emulsification efficiency.
Further, the antioxidant is 2, 2-methylene bis (4-methyl-6-tert-butylphenol).
Further, the pH regulator is triethanolamine.
The invention also provides a preparation process of the high-temperature-resistant environment-friendly masking tape, and the preparation process of the high-temperature-resistant environment-friendly masking tape comprises the following production steps:
s1: preparing an aqueous solution of an initiator: adding the initiator in the mass ratio into distilled water until the initiator is completely dissolved and the mass concentration of the initiator is 10-15%, and equally dividing the obtained solution into a solution A and a solution B for later use;
s2: preparing an aqueous solution of an emulsifier: adding distilled water into the emulsifier in a mass ratio, stirring for 0.5-1h at the stirring speed of 100 plus 200rpm to obtain an emulsion C;
s3: preparing a monomer mixture D: taking 2-ethyl acrylate, butyl acrylate, styrene and acrylonitrile in a mass ratio, and stirring and uniformly mixing to obtain a mixture D;
s4: putting the emulsion C obtained in the step 2 into a reaction kettle with a stirring function, adding the mixture D obtained in the step 3 into the reaction kettle in batches within 10-20min, continuously stirring the mixture in the reaction kettle at a stirring speed of 1000rpm for 1.5-2h to obtain an emulsion E, and taking out 15-30% of the emulsion E for later use;
s5: preparation of monomer mixture F: taking alpha-methacrylic acid, octadecyl octyl methacrylate, epoxidized soybean oil, acrylamide and propylene glycol monomethyl ether in a mass ratio, and stirring to uniformly mix the alpha-methacrylic acid, the octadecyl octyl methacrylate, the epoxidized soybean oil, the acrylamide and the propylene glycol monomethyl ether to obtain a mixture F;
s6: taking out 15-30% of the rest part of the emulsion E obtained in the step (4), placing the rest part in a reaction kettle, adding the mixture F obtained in the step (5) into the reaction kettle in batches within 10-20min, continuously stirring the mixture in the reaction kettle at the stirring speed of 1000rpm for 0.5-1h to obtain emulsion G;
s7: taking 15-30% of the emulsion E taken out in the step 4 into a reaction kettle, then respectively dripping the solution A and the emulsion G at a constant speed, setting the titration time to be 2-4h, setting the initial stirring speed in the reaction kettle to be 100rpm, gradually increasing the initial stirring speed to 200 plus material 300rpm according to the increasing speed of 10-20rpm/h along with the progress of the reaction, heating the reaction kettle by adopting an oil bath to keep the reaction temperature at 65-75 ℃, continuing stirring for constant temperature reaction for 0.5-1h after the titration is finished, then adding the solution B in batches within 10-15min, setting the stirring speed to be 300rpm, keeping the reaction temperature at 65-75 ℃, and reacting for 1-3 h;
s8: removing the reaction kettle in the step 7 out of the oil bath, continuously stirring to cool the reaction kettle to room temperature, then adding an antioxidant in a mass ratio, stirring to react for 0.5-1h, filtering by using a filter screen after the reaction is finished, adding distilled water, uniformly stirring to ensure that the solid content is between 60 and 70 percent, and then adding a pH regulator to regulate the pH of the emulsion to obtain a required product;
s9: and (3) uniformly coating the adhesive obtained in the step (8) on the surface of the masking paper by using a coating machine, and drying and rolling to obtain the masking paper adhesive tape.
Further, the mesh number of the filter screen in the step 8 is 150 meshes.
Further, the pH of the product obtained in the step 8 is 8-8.5.
Further, the thickness of the coating in the step 9 is 35-45 μm. The adhesive with the thickness can ensure the viscosity of the masking tape, is easy to remove, and has better ultraviolet resistance.
Has the advantages that: compared with the prior art, the invention has the following advantages: according to the high-temperature-resistant environment-friendly masking tape and the preparation process thereof, the adhesive used by the high-temperature-resistant environment-friendly masking tape adopts water to replace an organic solvent, so that the high-temperature-resistant environment-friendly masking tape has the advantages of environment-friendly operation, good adhesion, 150-DEG C resistance, easiness in elimination, no residual adhesive after tearing off and good ultraviolet resistance; the high-temperature-resistant environment-friendly masking tape is simple in preparation process, wide in source and suitable for industrial large-scale popularization.
Detailed Description
The invention will now be further illustrated by reference to the following specific examples.
Example 1
The invention provides a preparation process of a high-temperature-resistant environment-friendly masking tape, which comprises the following production steps:
s1: preparing an aqueous solution of an initiator: adding 0.1 part of potassium sulfate into distilled water until the potassium sulfate is completely dissolved and the mass concentration of the potassium sulfate is 10%, and equally dividing the obtained solution into a solution A and a solution B for later use;
s2: preparing an aqueous solution of an emulsifier: adding distilled water into 2 parts of emulsifier, wherein the emulsifier is a mixture of nonylphenol polyoxyethylene ether ammonium sulfate and nonylphenol polyoxyethylene ether with the mass ratio of 1:1, and stirring for 0.5h at the stirring speed of 100rpm to obtain emulsion C;
s3: preparing a monomer mixture D: taking 50 parts of acrylic acid-2-ethyl ester, 15 parts of butyl acrylate, 3 parts of styrene and 1 part of acrylonitrile, and stirring and uniformly mixing to obtain a mixture D;
s4: putting the emulsion C obtained in the step 2 into a reaction kettle with a stirring function, adding the mixture D obtained in the step 3 into the reaction kettle in batches within 10min, continuously stirring the mixture in the reaction kettle at a stirring speed of 1000rpm for 1.5h to obtain an emulsion E, and taking out 15% of the emulsion E for later use;
s5: preparation of monomer mixture F: taking 5 parts of alpha-methacrylic acid, 5 parts of octadecyl methacrylate, 5 parts of epoxidized soybean oil, 1 part of acrylamide and 1 part of propylene glycol monomethyl ether in a mass ratio, and stirring to uniformly mix the alpha-methacrylic acid, the octadecyl methacrylate, the epoxidized soybean oil, the acrylamide and the propylene glycol monomethyl ether to obtain a mixture F;
s6: taking out 15% of the rest part of the emulsion E obtained in the step (4), placing the rest part in a reaction kettle, adding the mixture F obtained in the step (5) into the reaction kettle in batches within 10min, continuously stirring the mixture in the reaction kettle at the stirring speed of 1000rpm for 0.5h to obtain emulsion G;
s7: taking 15% of the emulsion E taken out in the step 4 into a reaction kettle, then respectively dripping the solution A and the emulsion G at a constant speed, setting the titration time to be 2 hours, setting the initial stirring speed in the reaction kettle to be 100rpm, gradually increasing the initial stirring speed to 200rpm along with the increase of 10rpm/h of the reaction, heating the reaction kettle by adopting an oil bath to keep the reaction temperature at 65 ℃, continuing to stir and react at a constant temperature for 0.5 hour after the titration is finished, then adding the solution B in batches within 10 minutes, setting the stirring speed to be 300rpm, keeping the reaction temperature at 65 ℃, and reacting for 1 hour;
s8: removing the reaction kettle in the step 7 from the oil bath, continuously stirring to cool the reaction kettle to room temperature, then adding 0.1 part of 2, 2-methylene bis (4-methyl-6-tert-butylphenol), stirring to react for 0.5 to 1 hour, filtering by using a filter screen after the reaction is finished, wherein the mesh number of the filter screen is 150 meshes, adding distilled water, uniformly stirring to ensure that the solid content is 60 percent, and then adding triethanolamine to adjust the pH value of the emulsion to 8 to obtain a required product;
s9: and (3) uniformly coating the adhesive obtained in the step (8) on the surface of the masking paper by using a coating machine, drying and rolling to obtain the masking paper adhesive tape, wherein the coating thickness is 35 mu m.
Example 2
The invention provides a preparation process of a high-temperature-resistant environment-friendly masking tape, which comprises the following production steps:
s1: preparing an aqueous solution of an initiator: adding 0.3 part of potassium sulfate into distilled water until the potassium sulfate is completely dissolved and the mass concentration of the potassium sulfate is 15%, and equally dividing the obtained solution into a solution A and a solution B for later use;
s2: preparing an aqueous solution of an emulsifier: adding distilled water into 7 parts of emulsifier, wherein the emulsifier is a mixture of nonylphenol polyoxyethylene ether ammonium sulfate and nonylphenol polyoxyethylene ether with the mass ratio of 3:4, and stirring for 1h at the stirring speed of 200rpm to obtain emulsion C;
s3: preparing a monomer mixture D: taking 65 parts of acrylic acid-2-ethyl ester, 25 parts of butyl acrylate, 5 parts of styrene and 3 parts of acrylonitrile, and stirring and uniformly mixing to obtain a mixture D;
s4: putting the emulsion C obtained in the step 2 into a reaction kettle with a stirring function, adding the mixture D obtained in the step 3 into the reaction kettle in batches within 20min, continuously stirring the mixture in the reaction kettle at a stirring speed of 1000rpm for 2h to obtain an emulsion E, and taking out 30% of the emulsion E for later use;
s5: preparation of monomer mixture F: taking 15 parts of alpha-methacrylic acid, 10 parts of octadecyl methacrylate, 10 parts of epoxidized soybean oil, 5 parts of acrylamide and 3 parts of propylene glycol monomethyl ether in a mass ratio, and stirring to uniformly mix the alpha-methacrylic acid, the octadecyl methacrylate, the epoxidized soybean oil, the acrylamide and the propylene glycol monomethyl ether to obtain a mixture F;
s6: taking out 30% of the rest part of the emulsion E obtained in the step (4), placing the rest part in a reaction kettle, adding the mixture F obtained in the step (5) into the reaction kettle in batches within 20min, continuously stirring the mixture in the reaction kettle at the stirring speed of 1000rpm for 1h to obtain emulsion G;
s7: taking 30% of the emulsion E taken out in the step 4 into a reaction kettle, then respectively dripping the solution A and the emulsion G at a constant speed, setting the titration time to be 4h, setting the initial stirring speed in the reaction kettle to be 100rpm, gradually increasing the initial stirring speed to 300rpm according to the increasing speed of 20rpm/h along with the progress of the reaction, heating the reaction kettle by adopting an oil bath to keep the reaction temperature at 75 ℃, continuing stirring and reacting at a constant temperature for 1h after the titration is finished, then adding the solution B in batches within 15min, setting the stirring speed to be 300rpm, keeping the reaction temperature at 75 ℃, and reacting for 3 h;
s8: removing the reaction kettle in the step 7 from the oil bath, continuously stirring to cool the reaction kettle to room temperature, then adding 3 parts of 2, 2-methylene bis (4-methyl-6-tert-butylphenol), stirring to react for 1h, filtering by using a filter screen after the reaction is finished, adding distilled water and stirring uniformly to ensure that the solid content is 70%, and then adding triethanolamine to adjust the pH value of the emulsion to 8.5 to obtain a required product;
s9: and (3) uniformly coating the adhesive obtained in the step (8) on the surface of the masking paper by using a coating machine, drying and rolling to obtain the masking paper adhesive tape, wherein the coating thickness is 35 mu m.
Example 3
The invention provides a preparation process of a high-temperature-resistant environment-friendly masking tape, which comprises the following production steps:
s1: preparing an aqueous solution of an initiator: adding 0.2 part of potassium sulfate into distilled water until the potassium sulfate is completely dissolved and the mass concentration of the potassium sulfate is 13%, and equally dividing the obtained solution into a solution A and a solution B for later use;
s2: preparing an aqueous solution of an emulsifier: adding distilled water into 4.5 parts of emulsifier, wherein the emulsifier is a mixture of nonylphenol polyoxyethylene ether ammonium sulfate and nonylphenol polyoxyethylene ether with the mass ratio of 2:3, and stirring for 0.7h at the stirring speed of 150rpm to obtain emulsion C;
s3: preparing a monomer mixture D: taking 57 parts of acrylic acid-2-ethyl ester, 20 parts of butyl acrylate, 4 parts of styrene and 2 parts of acrylonitrile, and stirring and uniformly mixing to obtain a mixture D;
s4: putting the emulsion C obtained in the step 2 into a reaction kettle with a stirring function, adding the mixture D obtained in the step 3 into the reaction kettle in batches within 15min, continuously stirring the mixture in the reaction kettle at a stirring speed of 1000rpm for 1.7h to obtain an emulsion E, and taking out 22% of the emulsion E for later use;
s5: preparation of monomer mixture F: taking 10 parts of alpha-methacrylic acid, 7 parts of octadecyl methacrylate, 7 parts of epoxidized soybean oil, 3 parts of acrylamide and 2 parts of propylene glycol monomethyl ether in a mass ratio, and stirring to uniformly mix the alpha-methacrylic acid, the octadecyl methacrylate, the epoxidized soybean oil, the acrylamide and the propylene glycol monomethyl ether to obtain a mixture F;
s6: taking out 22% of the rest part of the emulsion E obtained in the step (4), placing the rest part into a reaction kettle, adding the mixture F obtained in the step (5) into the reaction kettle in batches within 15min, continuously stirring the mixture in the reaction kettle at the stirring speed of 1000rpm for 0.7h to obtain emulsion G;
s7: taking 22% of the emulsion E taken out in the step 4 into a reaction kettle, then respectively dripping the solution A and the emulsion G at a constant speed, setting the titration time to be 3h, setting the initial stirring speed in the reaction kettle to be 100rpm, gradually increasing the initial stirring speed to 250rpm along with the increase of 15rpm/h of the reaction, heating the reaction kettle by adopting an oil bath to keep the reaction temperature at 70 ℃, continuing to stir and react at a constant temperature for 0.7h after the titration is finished, then adding the solution B in batches within 13min, setting the stirring speed to be 300rpm, keeping the reaction temperature at 70 ℃, and reacting for 2 h;
s8: removing the reaction kettle in the step 7 from the oil bath, continuously stirring to cool the reaction kettle to room temperature, then adding 1.5 parts of 2, 2-methylene bis (4-methyl-6-tert-butylphenol), stirring to react for 0.7h, filtering by using a filter screen after the reaction is finished, wherein the mesh number of the filter screen is 150 meshes, adding distilled water, uniformly stirring to ensure that the solid content is 65%, and then adding triethanolamine to adjust the pH value of the emulsion to 8.2 to obtain a required product;
s9: and (3) uniformly coating the adhesive obtained in the step (8) on the surface of the masking paper by using a coating machine, drying and rolling to obtain the masking paper adhesive tape, wherein the coating thickness is 35 mu m.
Comparative example 1
This comparative example is that of example 3, wherein the adhesive in this comparative example does not contain octadecyl octyl methacrylate in its components, and the remaining components and preparation process are the same as those of example 3.
Comparative example 2
This comparative example is that of example 3, wherein the adhesive in this comparative example contains no epoxidized soybean oil in its components and the remaining components and preparation process are the same as those of example 3.
Comparative example 3
This comparative example is a comparative example to example 3, in which the thickness of the paste was 45 μm, and the remaining components and the preparation process were the same as those of example 3.
Comparative example 4
This comparative example is a comparative example to example 3, in which the thickness of the paste was 30 μm, and the remaining components and the preparation process were the same as those of example 3.
Comparative example 5
This comparative example is a comparative example to example 3, in which the thickness of the paste was 50 μm, and the remaining components and the preparation process were the same as those of example 3.
Performance testing
Taking the masking tape prepared in examples 1-3 and comparative examples 1-5, and measuring the initial force, adhesive force and holding force of each example and comparative example according to ASTM D-1000 detection standard;
the initial force detection method is a rolling ball method; the adhesive force detection method comprises the steps of peeling the adhesive tape by a 180-degree tensile machine after the adhesive tape is attached to the mirror steel plate, and testing the peeling force; the method for detecting the retention force comprises the steps of taking an 18mm wide adhesive tape, attaching the adhesive tape to a mirror steel plate, suspending a 1 kg weight below the adhesive tape, and recording the falling time of the weight, wherein the qualified range is 4 +/-2 hours;
attaching a sample to the surface of a steel product, flattening the sample by using a 2 kilogram roller, baking the sample in a baking oven at 150 ℃ for 2 hours, taking out the sample, cooling the sample to room temperature, attaching an 18mm wide adhesive tape to a mirror steel plate, and performing peeling test by using a 180-degree tensile machine, wherein the peeling force is 0.5 +/-0.1/18 mm, namely the sample is qualified;
the solvent resistance test method comprises attaching a sample on the surface of a steel plate, soaking in 75% alcohol for 24h, taking out, standing at normal temperature for 3h, attaching an 18mm wide adhesive tape on a standard test mirror steel plate, and testing the stripping force with a 180-degree tensile machine, wherein the qualified standard is 0.25 +/-0.1/18 mm of adhesive force;
the ultraviolet resistance test method comprises attaching a sample on the surface of steel, irradiating under ultraviolet light for 24h, attaching 18mm wide adhesive tape on a standard test mirror steel plate, and testing stripping force with 180 ° tensile machine to obtain a qualified standard adhesive force of 0.25 + -0.1/18 mm.
Table 1 results of performance testing
The results show that the masking tape prepared by the preparation process has good initial force, adhesive force and holding power, can be peeled off at 150 ℃ without adhesive residue, has good high temperature resistance, and also has good solvent resistance and ultraviolet resistance; the viscosity of the octadecyl methacrylate can be adjusted, so that the octadecyl methacrylate has good adhesive force and holding power, the epoxidized soybean oil can promote film formation and participate in copolymerization reaction, so that the epoxy soybean oil has good solvent resistance, the thickness of the adhesive is set to be 35-45 mu m, the performance of the adhesive in all aspects is reduced due to the thin film layer, and the adhesive is not easy to peel off due to the thick film layer.
The foregoing is directed to embodiments of the present invention and, more particularly, to a method and apparatus for controlling a power converter in a power converter, including a power converter, a display and a display panel.
Claims (9)
1. The high-temperature-resistant environment-friendly masking tape is characterized in that: the paper comprises a piece of pattern paper and an adhesive layer arranged on the surface of the pattern paper, wherein the adhesive layer is composed of an adhesive, and the adhesive is composed of the following components in percentage by weight:
50-65 parts of acrylic acid-2-ethyl ester;
15-25 parts of butyl acrylate;
5-15 parts of alpha-methacrylic acid;
5-10 parts of octadecyl methacrylate;
5-10 parts of epoxidized soybean oil;
3-5 parts of styrene;
1-5 parts of acrylamide;
1-3 parts of acrylonitrile;
1-3 parts of propylene glycol monomethyl ether;
0.1-0.3 part of initiator;
2-7 parts of an emulsifier;
0-3 parts of an antioxidant;
a pH adjusting agent;
the distillation of the water is carried out,
the solid content of the adhesive is 60-70%.
2. The high temperature resistant environment-friendly masking tape as claimed in claim 1, wherein: the initiator is potassium persulfate.
3. The high temperature resistant environment-friendly masking tape as claimed in claim 1, wherein: the emulsifier is a mixture of nonylphenol polyoxyethylene ether ammonium sulfate and nonylphenol polyoxyethylene ether in a mass ratio of 1-3: 1-4.
4. The high temperature resistant environment-friendly masking tape as claimed in claim 1, wherein: the antioxidant is 2, 2-methylene bis (4-methyl-6-tert-butylphenol).
5. The high temperature resistant environment-friendly masking tape as claimed in claim 1, wherein: the pH regulator is triethanolamine.
6. A preparation process of a high temperature resistant environment-friendly masking tape, which is used for preparing the high temperature resistant environment-friendly masking tape as claimed in any one of claims 1 to 5, and is characterized in that: comprises the following production steps:
s1: preparing an aqueous solution of an initiator: adding the initiator in the mass ratio into distilled water until the initiator is completely dissolved and the mass concentration of the initiator is 10-15%, and equally dividing the obtained solution into a solution A and a solution B for later use;
s2: preparing an aqueous solution of an emulsifier: adding distilled water into the emulsifier in a mass ratio, stirring for 0.5-1h at the stirring speed of 100 plus 200rpm to obtain an emulsion C;
s3: preparing a monomer mixture D: taking 2-ethyl acrylate, butyl acrylate, styrene and acrylonitrile in a mass ratio, and stirring and uniformly mixing to obtain a mixture D;
s4: putting the emulsion C obtained in the step 2 into a reaction kettle with a stirring function, adding the mixture D obtained in the step 3 into the reaction kettle in batches within 10-20min, continuously stirring the mixture in the reaction kettle at a stirring speed of 1000rpm for 1.5-2h to obtain an emulsion E, and taking out 15-30% of the emulsion E for later use;
s5: preparation of monomer mixture F: taking alpha-methacrylic acid, octadecyl octyl methacrylate, epoxidized soybean oil, acrylamide and propylene glycol monomethyl ether in a mass ratio, and stirring to uniformly mix the alpha-methacrylic acid, the octadecyl octyl methacrylate, the epoxidized soybean oil, the acrylamide and the propylene glycol monomethyl ether to obtain a mixture F;
s6: taking out 15-30% of the rest part of the emulsion E obtained in the step (4), placing the rest part in a reaction kettle, adding the mixture F obtained in the step (5) into the reaction kettle in batches within 10-20min, continuously stirring the mixture in the reaction kettle at the stirring speed of 1000rpm for 0.5-1h to obtain emulsion G;
s7: taking 15-30% of the emulsion E taken out in the step 4 into a reaction kettle, then respectively dripping the solution A and the emulsion G at a constant speed, setting the titration time to be 2-4h, setting the initial stirring speed in the reaction kettle to be 100rpm, gradually increasing the initial stirring speed to 200 plus material 300rpm according to the increasing speed of 10-20rpm/h along with the progress of the reaction, heating the reaction kettle by adopting an oil bath to keep the reaction temperature at 65-75 ℃, continuing stirring for constant temperature reaction for 0.5-1h after the titration is finished, then adding the solution B in batches within 10-15min, setting the stirring speed to be 300rpm, keeping the reaction temperature at 65-75 ℃, and reacting for 1-3 h;
s8: removing the reaction kettle in the step 7 out of the oil bath, continuously stirring to cool the reaction kettle to room temperature, then adding an antioxidant in a mass ratio, stirring to react for 0.5-1h, filtering by using a filter screen after the reaction is finished, adding distilled water, uniformly stirring to ensure that the solid content is between 60 and 70 percent, and then adding a pH regulator to regulate the pH of the emulsion to obtain the required adhesive;
s9: and (3) uniformly coating the adhesive obtained in the step (8) on the surface of the masking paper by using a coating machine, and drying and rolling to obtain the masking paper adhesive tape.
7. The preparation process of the high temperature resistant environment-friendly masking tape as claimed in claim 6, wherein: the mesh number of the filter screen in the step 8 is 150 meshes.
8. The preparation process of the high temperature resistant environment-friendly masking tape as claimed in claim 6, wherein: the pH of the product obtained in the step 8 is 8-8.5.
9. The preparation process of the high temperature resistant environment-friendly masking tape as claimed in claim 6, wherein: the thickness of the coating in the step 9 is 35-45 μm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116200963A (en) * | 2022-12-14 | 2023-06-02 | 广东冠力新材料有限公司 | Waterproof paper bag adhesive and preparation method thereof |
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| US5125995A (en) * | 1990-09-10 | 1992-06-30 | Minnesota Mining And Manufacturing Company | Method of using a water-dispersible pressure sensitive adhesive tape on cloth body coverings |
| CN104371608A (en) * | 2013-08-12 | 2015-02-25 | 湖北航天化学技术研究所 | Acrylate emulsion pressure-sensitive adhesive for beautiful textured paper masking tapes, preparation method and applications thereof |
| CN111808245A (en) * | 2020-07-24 | 2020-10-23 | 郑州中科新兴产业技术研究院 | Epoxidized soybean oil modified aqueous acrylic resin dispersion and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5125995A (en) * | 1990-09-10 | 1992-06-30 | Minnesota Mining And Manufacturing Company | Method of using a water-dispersible pressure sensitive adhesive tape on cloth body coverings |
| CN104371608A (en) * | 2013-08-12 | 2015-02-25 | 湖北航天化学技术研究所 | Acrylate emulsion pressure-sensitive adhesive for beautiful textured paper masking tapes, preparation method and applications thereof |
| CN111808245A (en) * | 2020-07-24 | 2020-10-23 | 郑州中科新兴产业技术研究院 | Epoxidized soybean oil modified aqueous acrylic resin dispersion and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116200963A (en) * | 2022-12-14 | 2023-06-02 | 广东冠力新材料有限公司 | Waterproof paper bag adhesive and preparation method thereof |
| CN116200963B (en) * | 2022-12-14 | 2024-05-03 | 东莞市冠力胶业有限公司 | Waterproof paper bag adhesive and preparation method thereof |
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Application publication date: 20220114 |