CN112552846A - Water-based adhesive and preparation method thereof - Google Patents
Water-based adhesive and preparation method thereof Download PDFInfo
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- CN112552846A CN112552846A CN202011375098.0A CN202011375098A CN112552846A CN 112552846 A CN112552846 A CN 112552846A CN 202011375098 A CN202011375098 A CN 202011375098A CN 112552846 A CN112552846 A CN 112552846A
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- Prior art keywords
- sodium
- water
- parts
- based adhesive
- acrylate
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- 239000000853 adhesive Substances 0.000 title claims abstract description 33
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000000178 monomer Substances 0.000 claims abstract description 15
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000008367 deionised water Substances 0.000 claims abstract description 7
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 5
- 239000012874 anionic emulsifier Substances 0.000 claims abstract description 5
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 5
- 239000003999 initiator Substances 0.000 claims abstract description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 21
- 239000011734 sodium Substances 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 12
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 10
- 125000000217 alkyl group Chemical group 0.000 claims description 10
- -1 sodium alkyl sulfate Chemical class 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 claims description 8
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 8
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims description 6
- 238000007720 emulsion polymerization reaction Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 6
- 150000003254 radicals Chemical class 0.000 claims description 6
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 claims description 4
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 4
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 4
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 4
- LRMHFDNWKCSEQU-UHFFFAOYSA-N ethoxyethane;phenol Chemical compound CCOCC.OC1=CC=CC=C1 LRMHFDNWKCSEQU-UHFFFAOYSA-N 0.000 claims description 4
- 239000001530 fumaric acid Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims description 4
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 claims description 3
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 claims description 3
- FZSHSWCZYDDOCK-UHFFFAOYSA-N 2-methylprop-2-enoic acid;oxolane Chemical compound C1CCOC1.CC(=C)C(O)=O FZSHSWCZYDDOCK-UHFFFAOYSA-N 0.000 claims description 3
- GNSFRPWPOGYVLO-UHFFFAOYSA-N 3-hydroxypropyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCCO GNSFRPWPOGYVLO-UHFFFAOYSA-N 0.000 claims description 3
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 3
- 229940077388 benzenesulfonate Drugs 0.000 claims description 3
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims description 3
- LNMQRPPRQDGUDR-UHFFFAOYSA-N hexyl prop-2-enoate Chemical compound CCCCCCOC(=O)C=C LNMQRPPRQDGUDR-UHFFFAOYSA-N 0.000 claims description 3
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 3
- 239000011976 maleic acid Substances 0.000 claims description 3
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 claims description 3
- ULDDEWDFUNBUCM-UHFFFAOYSA-N pentyl prop-2-enoate Chemical compound CCCCCOC(=O)C=C ULDDEWDFUNBUCM-UHFFFAOYSA-N 0.000 claims description 3
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 3
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical compound CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 claims description 3
- XFTALRAZSCGSKN-UHFFFAOYSA-M sodium;4-ethenylbenzenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C1=CC=C(C=C)C=C1 XFTALRAZSCGSKN-UHFFFAOYSA-M 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- 150000008052 alkyl sulfonates Chemical class 0.000 claims description 2
- UBTITNUVKXQFBF-UHFFFAOYSA-N ethanesulfonic acid;prop-2-enoic acid Chemical compound OC(=O)C=C.CCS(O)(=O)=O UBTITNUVKXQFBF-UHFFFAOYSA-N 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims 6
- CNCOEDDPFOAUMB-UHFFFAOYSA-N N-Methylolacrylamide Chemical compound OCNC(=O)C=C CNCOEDDPFOAUMB-UHFFFAOYSA-N 0.000 claims 1
- VZTFVVBTGBLXTR-UHFFFAOYSA-M sodium;2-(prop-2-enoylamino)propane-2-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)C(C)(C)NC(=O)C=C VZTFVVBTGBLXTR-UHFFFAOYSA-M 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003960 organic solvent Substances 0.000 abstract description 3
- 238000010526 radical polymerization reaction Methods 0.000 abstract description 2
- 238000004513 sizing Methods 0.000 abstract description 2
- 150000001735 carboxylic acids Chemical class 0.000 abstract 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 3
- CCJAYIGMMRQRAO-UHFFFAOYSA-N 2-[4-[(2-hydroxyphenyl)methylideneamino]butyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCCN=CC1=CC=CC=C1O CCJAYIGMMRQRAO-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- OCXPJMSKLNNYLE-UHFFFAOYSA-N 2-prop-2-enylbutanedioic acid Chemical compound OC(=O)CC(C(O)=O)CC=C OCXPJMSKLNNYLE-UHFFFAOYSA-N 0.000 description 1
- JUEDJIRGERJMGO-UHFFFAOYSA-N C(C)(C)[Na].C(C=C)(=O)N Chemical compound C(C)(C)[Na].C(C=C)(=O)N JUEDJIRGERJMGO-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 125000005907 alkyl ester group Chemical group 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- FBKBIOOBMXQNBA-UHFFFAOYSA-N propane-2-sulfonic acid;prop-2-enamide Chemical compound NC(=O)C=C.CC(C)S(O)(=O)=O FBKBIOOBMXQNBA-UHFFFAOYSA-N 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- MNCGMVDMOKPCSQ-UHFFFAOYSA-M sodium;2-phenylethenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C=CC1=CC=CC=C1 MNCGMVDMOKPCSQ-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent 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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/062—Copolymers with monomers not covered by C09J133/06
- C09J133/066—Copolymers with monomers not covered by C09J133/06 containing -OH groups
-
- 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1803—C3-(meth)acrylate, e.g. (iso)propyl (meth)acrylate
-
- 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
-
- 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1805—C5-(meth)acrylate, e.g. pentyl (meth)acrylate
-
- 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1806—C6-(meth)acrylate, e.g. (cyclo)hexyl (meth)acrylate or phenyl (meth)acrylate
-
- 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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/062—Copolymers with monomers not covered by C09J133/06
- C09J133/064—Copolymers with monomers not covered by C09J133/06 containing anhydride, COOH or COOM groups, with M being metal or onium-cation
-
- 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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/062—Copolymers with monomers not covered by C09J133/06
- C09J133/068—Copolymers with monomers not covered by C09J133/06 containing glycidyl groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a water-based adhesive and a preparation method thereof, wherein the water-based adhesive comprises the following components in parts by weight: 187-219 parts of deionized water, 0.8-2.5 parts of anionic emulsifier, 0.2-2 parts of reactive emulsifier, 0.8-3 parts of initiator, 100 parts of acrylate monomer, 0.5-5 parts of styrene, 6-15 parts of carboxylic acid monomer, 2-12 parts of functional monomer and 3-9 parts of alkaline substance. The water-based adhesive obtained by free radical polymerization has better stability and long storage time, does not relate to an organic solvent when used, and is more environment-friendly; on the other hand, a small amount of sizing can provide excellent bonding effect.
Description
Technical Field
The invention relates to the field of adhesives, and particularly relates to a water-based adhesive and a preparation method thereof.
Background
The stretchable adhesive tape is a pressure-sensitive adhesive tape with excellent performance, not only has strong adhesive force, but also can be easily separated from an adherend without remaining adhesive after being stretched or stretched after being heated properly. Chinese patent CN110964457A discloses a method for preparing methacrylate ester oily adhesive composition, the prepared composition has good bonding strength and stretch debonding effect when applied to stretch debonding tapes, however, when the prepared product is applied to stretch debonding tapes, more organic solvents are used, the residual quantity of the solvents is large, the environment is not protected, and the coating weight is large.
Disclosure of Invention
The invention aims to provide a water-based adhesive and a preparation method thereof aiming at the defects in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides a water-based adhesive which comprises the following components in parts by weight:
further, the anionic emulsifier is one or more of sodium alkyl sulfate, sodium alkyl sulfonate, sodium alkyl benzene sulfonate, sodium alkyl diphenyl ether disulfonate, ammonium alkyl phenol ether sulfate and sodium alkyl phenol ether sulfosuccinate.
Further, the reactive emulsifier is one or more of sodium p-styrene sulfonate, 2-acrylamide-2, 2-dimethyl ethanesulfonic acid sodium salt, allyl succinic acid alkyl ester sodium sulfonate, acrylamide isopropyl sodium sulfonate and alkyl acrylic acid-2-ethanesulfonic acid sodium salt.
Further, the initiator is one or more of sodium persulfate, ammonium persulfate and potassium persulfate.
Further, the acrylate monomer is one or more of n-propyl acrylate, n-butyl acrylate, n-hexyl acrylate and n-pentyl acrylate.
Further, the carboxylic acid monomer is one or more of acrylic acid, methacrylic acid, maleic acid, fumaric acid or itaconic acid.
Further, the functional monomer is one or more of hydroxyethyl methacrylate, hydroxypropyl methacrylate, tetrahydrofuran methacrylate, glycidyl methacrylate and N-hydroxymethyl acrylamide.
The second aspect of the present invention provides a method for preparing the above aqueous gel, comprising the following steps: and (2) vacuumizing a polymerization kettle, adding deionized water, an anionic emulsifier, a reactive emulsifier and an initiator, heating to 70-90 ℃, dropwise adding a mixture solution of an acrylate monomer, styrene, a carboxylic acid monomer and a functional monomer for free radical emulsion polymerization, wherein the dropwise adding time is 3-6 hours, heating to 80-90 ℃, keeping the temperature for 2 hours, cooling, adjusting the pH to 5-9 by using an alkaline substance, and filtering to obtain the water-based adhesive.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
the water-based adhesive obtained by free radical polymerization has better stability and long storage time, does not relate to an organic solvent when used, and is more environment-friendly; on the other hand, a small amount of sizing can provide excellent bonding effect.
Detailed Description
The present invention is further illustrated by the following examples, which are not to be construed as limiting the invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
Example 1
The water-based adhesive comprises the following components in parts by weight:
the preparation method of the water-based adhesive comprises the following steps: and (2) vacuumizing a polymerization kettle, adding deionized water, sodium alkyl diphenyl ether disulfonate, 2-acrylamide-2, 2-dimethyl ethyl sulfonate and sodium persulfate, starting stirring, heating to 70 ℃, dropwise adding a mixture solution of n-propyl acrylate, styrene, acrylic acid and hydroxyethyl methacrylate for free radical emulsion polymerization, heating to 80 ℃, keeping the temperature for 2 hours, cooling, adjusting the pH to 5-9 by using a sodium hydroxide alkaline substance, and filtering to obtain the water-based adhesive.
Example 2
The water-based adhesive comprises the following components in parts by weight:
the preparation method of the water-based adhesive comprises the following steps: and (2) vacuumizing a polymerization kettle, adding deionized water, sodium alkylsulfonate, sodium alkyl benzene sulfonate, sodium styrene sulfonate, acrylamide isopropyl sulfonate and ammonium persulfate, stirring, heating to 90 ℃, dropwise adding a mixture solution of n-butyl acrylate, styrene, maleic acid, itaconic acid and hydroxypropyl methacrylate for free radical emulsion polymerization, heating to 90 ℃, keeping the temperature for 2 hours, cooling, adjusting the pH value to 5-9 by using a potassium hydroxide alkaline substance, and filtering to obtain the water-based adhesive.
Example 3
The water-based adhesive comprises the following components in parts by weight:
the preparation method of the water-based adhesive comprises the following steps: and (2) after the polymerization kettle is vacuumized, adding deionized water, sodium alkyl sulfate, sodium alkylphenol ether sulfosuccinate, sodium allyl sulfosuccinate alkyl ester sulfonate, sodium alkyl acrylic acid-2-ethyl sulfonate and potassium persulfate, starting stirring, heating to 80 ℃, dropwise adding a mixture solution of N-hexyl acrylate, styrene, methacrylic acid, fumaric acid, glycidyl methacrylate and N-hydroxymethyl acrylamide, carrying out free radical emulsion polymerization, wherein the dropwise adding time is 4.5 hours, heating to 85 ℃, keeping the temperature for 2 hours, cooling, adjusting the pH to 5-9 by using a sodium hydroxide alkaline substance, and filtering to obtain the water-based adhesive.
Example 4
The water-based adhesive comprises the following components in parts by weight:
the preparation method of the water-based adhesive comprises the following steps: and (2) vacuumizing a polymerization kettle, adding deionized water, alkyl sodium sulfate, alkylphenol ether ammonium sulfate, sodium p-styrene sulfonate, ammonium persulfate and sodium persulfate, starting stirring, heating to 85 ℃, dropwise adding a mixture solution of n-butyl acrylate, n-amyl acrylate, styrene, fumaric acid, acrylic acid and tetrahydrofuran methacrylate to perform free radical emulsion polymerization, wherein the dropwise adding time is 5 hours, heating to 90 ℃, keeping the temperature for 2 hours, cooling, adjusting the pH to 5-9 by using a potassium hydroxide alkaline substance, and filtering to obtain the aqueous adhesive.
The method for preparing the stretched debonding adhesive tape by using the waterborne adhesive comprises the following steps:
coating the waterborne adhesive with the thickness of 100 micrometers and 150 micrometers by using a transparent PET release film with the thickness of 75 micrometers through a knife coater, setting the temperature gradients of an oven to be 50, 60, 70, 85, 105 and 110 ℃, setting the time of each temperature gradient to be 3min, and attaching the release film with the thickness of 20 micrometers to obtain the stretched debonding adhesive tape.
Comparative example
A methacrylate composition and various amounts of applied stretch release tapes were prepared according to the protocol described in example 1 of CN110964457A, and the 180 DEG peel force (gf/25mm) of the stretch release tapes to a steel plate was measured. Tensile debonding tapes of different coating weights were prepared from the water-based adhesives prepared in examples 1 to 4, respectively, and the 180 ° peel force to a steel plate was tested under the same conditions, with the test results shown in table 1:
TABLE 1
From the results in table 1, it can be seen that the aqueous adhesive prepared in examples 1 to 4 of the present invention has more excellent performance in low coating weight, and can achieve the bonding performance equivalent to chinese patent CN110964457A in high coating weight.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (8)
2. the aqueous glue of claim 1, wherein the anionic emulsifier is one or more of sodium alkyl sulfate, sodium alkyl sulfonate, sodium alkyl benzene sulfonate, sodium alkyl diphenyl ether disulfonate, ammonium alkyl phenol ether sulfate, and sodium alkyl phenol ether sulfosuccinate.
3. The aqueous glue of claim 1, wherein the reactive emulsifier is one or more of sodium p-styrenesulfonate, sodium 2-acrylamide-2, 2-dimethylethanesulfonate, sodium alkyl sulfosuccinate, sodium acrylamidoisopropyl sulfonate, and sodium alkyl acrylate-2-ethanesulfonate.
4. The waterborne glue of claim 1, wherein the initiator is one or more of sodium persulfate, ammonium persulfate, and potassium persulfate.
5. The water-based adhesive according to claim 1, wherein the acrylate monomer is one or more of n-propyl acrylate, n-butyl acrylate, n-hexyl acrylate and n-pentyl acrylate.
6. The aqueous glue of claim 1, wherein the carboxylic acid monomer is one or more of acrylic acid, methacrylic acid, maleic acid, fumaric acid, and itaconic acid.
7. The aqueous glue of claim 1, wherein the functional monomer is one or more of hydroxyethyl methacrylate, hydroxypropyl methacrylate, tetrahydrofuran methacrylate, glycidyl methacrylate and N-methylol acrylamide.
8. A process for the preparation of an aqueous glue according to any of claims 1 to 7, characterized in that it comprises the following steps: and (2) vacuumizing a polymerization kettle, adding deionized water, an anionic emulsifier, a reactive emulsifier and an initiator, heating to 70-90 ℃, dropwise adding a mixture solution of an acrylate monomer, styrene, a carboxylic acid monomer and a functional monomer for free radical emulsion polymerization, wherein the dropwise adding time is 3-6 hours, heating to 80-90 ℃, keeping the temperature for 2 hours, cooling, adjusting the pH to 5-9 by using an alkaline substance, and filtering to obtain the water-based adhesive.
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