CN112457442A - Aqueous plate alignment adhesive emulsion - Google Patents
Aqueous plate alignment adhesive emulsion Download PDFInfo
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- CN112457442A CN112457442A CN202010973051.8A CN202010973051A CN112457442A CN 112457442 A CN112457442 A CN 112457442A CN 202010973051 A CN202010973051 A CN 202010973051A CN 112457442 A CN112457442 A CN 112457442A
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- monomers
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- emulsifier
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- 239000000839 emulsion Substances 0.000 title claims abstract description 51
- 239000000853 adhesive Substances 0.000 title claims abstract description 25
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 25
- 239000000178 monomer Substances 0.000 claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 24
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 24
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 22
- 239000007800 oxidant agent Substances 0.000 claims abstract description 18
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims abstract description 12
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims abstract description 12
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000009477 glass transition Effects 0.000 claims abstract description 8
- 229920001519 homopolymer Polymers 0.000 claims abstract description 8
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 4
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 claims abstract description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 4
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims abstract description 4
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims abstract description 4
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 4
- IAXXETNIOYFMLW-COPLHBTASA-N [(1s,3s,4s)-4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl] 2-methylprop-2-enoate Chemical compound C1C[C@]2(C)[C@@H](OC(=O)C(=C)C)C[C@H]1C2(C)C IAXXETNIOYFMLW-COPLHBTASA-N 0.000 claims abstract description 4
- 125000000524 functional group Chemical group 0.000 claims abstract description 4
- 229940119545 isobornyl methacrylate Drugs 0.000 claims abstract description 4
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 claims abstract description 4
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims abstract description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims abstract description 4
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 4
- 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 claims abstract description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 30
- 238000012545 processing Methods 0.000 claims description 23
- 238000004321 preservation Methods 0.000 claims description 20
- 239000003292 glue Substances 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 17
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 claims description 15
- 235000010262 sodium metabisulphite Nutrition 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 14
- 230000001590 oxidative effect Effects 0.000 claims description 14
- 238000004945 emulsification Methods 0.000 claims description 13
- 230000003449 preventive effect Effects 0.000 claims description 12
- 229940001584 sodium metabisulfite Drugs 0.000 claims description 12
- RYYXDZDBXNUPOG-UHFFFAOYSA-N 4,5,6,7-tetrahydro-1,3-benzothiazole-2,6-diamine;dihydrochloride Chemical compound Cl.Cl.C1C(N)CCC2=C1SC(N)=N2 RYYXDZDBXNUPOG-UHFFFAOYSA-N 0.000 claims description 11
- -1 polyoxyethylene Polymers 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 11
- 239000012874 anionic emulsifier Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 239000012875 nonionic emulsifier Substances 0.000 claims description 10
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 9
- 125000005233 alkylalcohol group Chemical group 0.000 claims description 9
- 229920000570 polyether Polymers 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 230000001804 emulsifying effect Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000012805 post-processing Methods 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 6
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 6
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 6
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 6
- 229920002545 silicone oil Polymers 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 5
- CHHHXKFHOYLYRE-UHFFFAOYSA-M 2,4-Hexadienoic acid, potassium salt (1:1), (2E,4E)- Chemical compound [K+].CC=CC=CC([O-])=O CHHHXKFHOYLYRE-UHFFFAOYSA-M 0.000 claims description 3
- QCDWFXQBSFUVSP-UHFFFAOYSA-N 2-phenoxyethanol Chemical group OCCOC1=CC=CC=C1 QCDWFXQBSFUVSP-UHFFFAOYSA-N 0.000 claims description 3
- ANZUDYZHSVGBRF-UHFFFAOYSA-N 3-ethylnonane-1,2,3-triol Chemical compound CCCCCCC(O)(CC)C(O)CO ANZUDYZHSVGBRF-UHFFFAOYSA-N 0.000 claims description 3
- 239000005711 Benzoic acid Substances 0.000 claims description 3
- BCZXFFBUYPCTSJ-UHFFFAOYSA-L Calcium propionate Chemical compound [Ca+2].CCC([O-])=O.CCC([O-])=O BCZXFFBUYPCTSJ-UHFFFAOYSA-L 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- RVGRUAULSDPKGF-UHFFFAOYSA-N Poloxamer Chemical compound C1CO1.CC1CO1 RVGRUAULSDPKGF-UHFFFAOYSA-N 0.000 claims description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 3
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 3
- 150000001450 anions Chemical class 0.000 claims description 3
- 235000010233 benzoic acid Nutrition 0.000 claims description 3
- 235000010331 calcium propionate Nutrition 0.000 claims description 3
- 239000004330 calcium propionate Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 3
- JMGZBMRVDHKMKB-UHFFFAOYSA-L disodium;2-sulfobutanedioate Chemical compound [Na+].[Na+].OS(=O)(=O)C(C([O-])=O)CC([O-])=O JMGZBMRVDHKMKB-UHFFFAOYSA-L 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- BEFDCLMNVWHSGT-UHFFFAOYSA-N ethenylcyclopentane Chemical compound C=CC1CCCC1 BEFDCLMNVWHSGT-UHFFFAOYSA-N 0.000 claims description 3
- LRMHFDNWKCSEQU-UHFFFAOYSA-N ethoxyethane;phenol Chemical compound CCOCC.OC1=CC=CC=C1 LRMHFDNWKCSEQU-UHFFFAOYSA-N 0.000 claims description 3
- 229930195729 fatty acid Natural products 0.000 claims description 3
- 239000000194 fatty acid Substances 0.000 claims description 3
- 150000004665 fatty acids Chemical class 0.000 claims description 3
- 150000002191 fatty alcohols Chemical class 0.000 claims description 3
- LIRDHUDRLFDYAI-UHFFFAOYSA-H iron(3+);trisulfite Chemical compound [Fe+3].[Fe+3].[O-]S([O-])=O.[O-]S([O-])=O.[O-]S([O-])=O LIRDHUDRLFDYAI-UHFFFAOYSA-H 0.000 claims description 3
- MGIYRDNGCNKGJU-UHFFFAOYSA-N isothiazolinone Chemical compound O=C1C=CSN1 MGIYRDNGCNKGJU-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229960005323 phenoxyethanol Drugs 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 3
- 239000010452 phosphate Substances 0.000 claims description 3
- 235000010241 potassium sorbate Nutrition 0.000 claims description 3
- 239000004302 potassium sorbate Substances 0.000 claims description 3
- 229940069338 potassium sorbate Drugs 0.000 claims description 3
- 239000003755 preservative agent Substances 0.000 claims description 3
- 230000002335 preservative effect Effects 0.000 claims description 3
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 3
- 235000010234 sodium benzoate Nutrition 0.000 claims description 3
- 239000004299 sodium benzoate Substances 0.000 claims description 3
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 3
- 235000010199 sorbic acid Nutrition 0.000 claims description 3
- 239000004334 sorbic acid Substances 0.000 claims description 3
- 229940075582 sorbic acid Drugs 0.000 claims description 3
- 235000010215 titanium dioxide Nutrition 0.000 claims description 3
- 150000004996 alkyl benzenes Chemical class 0.000 claims description 2
- 229940077388 benzenesulfonate Drugs 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 abstract description 4
- 238000007334 copolymerization reaction Methods 0.000 abstract description 3
- 239000011258 core-shell material Substances 0.000 abstract description 3
- 239000003112 inhibitor Substances 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 16
- 239000002023 wood Substances 0.000 description 13
- 238000002360 preparation method Methods 0.000 description 11
- 239000003795 chemical substances by application Substances 0.000 description 9
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 description 8
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 8
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 8
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 8
- 230000008676 import Effects 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- CNCOEDDPFOAUMB-UHFFFAOYSA-N N-Methylolacrylamide Chemical compound OCNC(=O)C=C CNCOEDDPFOAUMB-UHFFFAOYSA-N 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- C08F212/00—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 an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
- C08F212/08—Styrene
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J125/00—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 an aromatic carbocyclic ring; Adhesives based on derivatives of such polymers
- C09J125/02—Homopolymers or copolymers of hydrocarbons
- C09J125/04—Homopolymers or copolymers of styrene
- C09J125/08—Copolymers of styrene
- C09J125/14—Copolymers of styrene with unsaturated 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
- C09J129/00—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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Adhesives based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Adhesives based on derivatives of such polymers
- C09J129/02—Homopolymers or copolymers of unsaturated alcohols
- C09J129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
-
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
Abstract
The invention discloses a water-based plate alignment adhesive emulsion, which comprises 20-30% of hard monomers, 20-30% of soft monomers, 0.5-1.5% of functional monomers, 0.5-1.5% of emulsifying agents, 0.05-0.5% of oxidizing agents, 0.05-0.5% of reducing agents, 0.01-0.1% of defoaming agents, 0.01-0.1% of mildew inhibitors and 40-60% of softened water, wherein the hard monomers refer to monomers with homopolymer glass transition temperature higher than that of methyl methacrylate, styrene and acrylonitrile, the soft monomer refers to the monomer with lower homopolymer glass transition temperature, and comprises butyl acrylate, isooctyl acrylate, vinyl versatate and ethyl acrylate, the functional monomer refers to a monomer providing a specific functional group, and comprises acrylic acid, methacrylic acid, acrylamide, N-hydroxymethyl acrylamide, isobornyl methacrylate and itaconic acid. According to the invention, by adopting a core-shell copolymerization method, butyl acrylate and styrene are selected as main monomers, and a functional monomer is introduced for polymerization reaction, so that the double-component plate alignment adhesive emulsion with moderate hardness and high water resistance is prepared, DA-905 can be replaced in performance, and the cost can be greatly reduced.
Description
Technical Field
The invention relates to the field of latex solution production, in particular to a water-based plate alignment adhesive emulsion.
Background
China is a world with large production and consumption of wood and wood products, and is also a country with the least occupation of forest resources by people, along with the increasing sharpness of the contradiction between wood supply and demand, in order to reasonably utilize materials and reduce the waste of resources, wood processing residues are comprehensively utilized to splice short and small wood materials into large-area integrated materials, a splicing plate adhesive plays a very important role in wood splicing processing, connectors and iron nails are required in the traditional wood splicing mode, the production efficiency is low, the loosening and falling are easy, the traditional defects can be overcome by the water-based splicing plate adhesive in recent years, the splicing can be realized by only planing the bonding surfaces of two pieces of wood, nailing is not required, and due to the difference of wood density and water content, the phenomena of deformation and cracking can occur due to the storage environmental factors after the wood products are made, so that the splicing plate adhesive has enough bonding strength, Waterproof and weather-proof performance.
At present, the makeup glue mainly comprises two components, the main agent adopts water-based emulsion which is strong in water resistance and weather resistance and contains crosslinking active groups, and the emulsion of the makeup glue on the market mainly adopts DA-905 emulsion, so that the makeup glue has good water resistance and long opening time, but the wide use characteristics of the makeup glue are limited due to the chlorine element and high cost of the emulsion. In order to meet the market demand, the invention adopts a core-shell copolymerization method, the main monomer selects butyl acrylate and styrene, and introduces functional monomers for polymerization reaction to prepare the two-component plate alignment adhesive emulsion with moderate hardness and high water resistance, DA-905 can be replaced in performance, the cost can be greatly reduced, the technical bottleneck to be solved in the emulsion synthesis is white appearance and small slag quantity, after the two-component plate alignment adhesive is prepared according to a proper proportion, the stability to calcium ions is good, the storage period is long, the calcium powder is not easy to precipitate, the boiling water resistance effect is tested by Japanese JAS boiling water stripping, and the invention of the technology mainly makes a large amount of exploration experiments from the selection of an emulsifier and the production process.
Disclosure of Invention
The invention aims to: in order to solve the problem of overhigh production cost, the water-based plate alignment adhesive emulsion is provided.
In order to achieve the purpose, the invention provides the following technical scheme: a water-based plate alignment adhesive emulsion comprises 20-30% of hard monomers, 20-30% of soft monomers, 0.5-1.5% of functional monomers, 0.5-1.5% of emulsifying agents, 0.05-0.5% of oxidizing agents, 0.05-0.5% of reducing agents, 0.01-0.1% of defoaming agents, 0.01-0.1% of mildew inhibitors and 40-60% of softened water.
Preferably, the hard monomer refers to a monomer with higher homopolymer glass transition temperature, and comprises methyl methacrylate, styrene and acrylonitrile.
Preferably, the soft monomer refers to a monomer with lower homopolymer glass transition temperature, and comprises butyl acrylate, isooctyl acrylate, vinyl versatate and ethyl acrylate.
Preferably, the functional monomer refers to a monomer providing a specific functional group, including acrylic acid, methacrylic acid, acrylamide, N-methylolacrylamide, isobornyl methacrylate, itaconic acid.
Preferably, the emulsifier comprises an anionic emulsifier and a nonionic emulsifier, wherein the anion comprises alkyl alcohol ether sulfosuccinate sodium salt, linear alkylbenzene sulfonate, fatty alcohol ether sulfate, alkyl alcohol ether phosphate, branched alkyl alcohol ether sulfate ammonium salt and phenol ether sulfate; wherein the nonionic alkylphenol polyoxyethylene ether, the high-carbon fatty alcohol polyoxyethylene ether, the fatty acid polyoxyethylene ester, the sorbitan ester, the branched C13 alcohol ether and the ethylene oxide propylene oxide block polyether are adopted. A water-resistant veneer glue emulsion emulsifier is the above anionic emulsifier and nonionic emulsifier.
Preferably, the reducing agent is titanium white powder, sodium bisulfite, sodium metabisulfite, ferric sulfite and thiourea dioxide.
Preferably, the defoaming agent is polyether defoaming agent, silicone oil defoaming agent or polyether modified silicone oil.
Preferably, the preservative is phenoxyethanol, isothiazolinone, ethylhexyl glycerol, benzoic acid, sodium benzoate, sorbic acid, potassium sorbate and calcium propionate.
Preferably, the preparation steps are as follows,
step 1, weighing each raw material component according to a mass ratio for later use;
step 2, pre-emulsification of monomers: putting all the emulsifier and part of water into a pre-emulsifying device, starting stirring, rotating at 250rpm, dissolving at 50 ℃ for 15 minutes, cooling to below 30 ℃, mixing all soft and hard monomers and functional monomers, stirring for about 40 minutes, and standing for full emulsification without layering when the appearance is uniform milky and the viscosity is not less than 150 mpa.s;
step 3, adding a bottom material: adding part of softened water into a reaction kettle, adjusting the rotating speed to 25rpm, heating a jacket to 75 ℃, adding an oxidant, synchronously dropwise adding the pre-emulsion and the reducing agent at a constant speed for 4 hours, and controlling the reaction temperature to be 75-76 ℃. Dripping the pre-emulsion and the reducing agent at the speed of 50% in 20 minutes, dripping at the speed of 75% in 20 minutes, dripping at the speed of 85% in 30 minutes, and dripping at full speed at the speed of 250rpm in 40 minutes;
step 4, heat preservation process: after the dropwise addition of the emulsified monomer is finished, heat preservation is started, the temperature is controlled to be 79-81 ℃, and the heat preservation is carried out for 1 hour;
step 5, post-processing the residual sheets, namely after the heat preservation is finished, dropwise adding an oxidant, finishing dropwise adding in 10 minutes, adding a reducing agent after 20 minutes, and performing a second round of residual sheet processing after 40 minutes, wherein the processing is performed three times for 2 hours in total for one time of residual sheet processing;
and 6, continuously cooling to 50 ℃, adjusting the pH value, adding a defoaming agent and a mildew preventive, filtering by a 300-mesh sieve, and discharging.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, by adopting a core-shell copolymerization method, butyl acrylate and styrene are selected as main monomers, and a functional monomer is introduced for polymerization reaction, so that the double-component plate alignment adhesive emulsion with moderate hardness and high water resistance is prepared, DA-905 can be replaced in performance, and the cost can be greatly reduced.
Detailed Description
Technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A water-based plate alignment adhesive emulsion comprises 20-30% of hard monomers, 20-30% of soft monomers, 0.5-1.5% of functional monomers, 0.5-1.5% of emulsifying agents, 0.05-0.5% of oxidizing agents, 0.05-0.5% of reducing agents, 0.01-0.1% of defoaming agents, 0.01-0.1% of mildew inhibitors and 40-60% of softened water.
The hard monomer refers to the monomer with higher glass transition temperature of homopolymer, and comprises methyl methacrylate, styrene and acrylonitrile.
The soft monomer refers to a monomer with lower homopolymer glass transition temperature, and comprises butyl acrylate, isooctyl acrylate, vinyl versatate and ethyl acrylate.
The functional monomer refers to a monomer providing a specific functional group, and comprises acrylic acid, methacrylic acid, acrylamide, N-hydroxymethyl acrylamide, isobornyl methacrylate and itaconic acid.
The emulsifier comprises an anionic emulsifier and a nonionic emulsifier, wherein the anion comprises alkyl alcohol ether sodium sulfosuccinate, linear alkyl benzene sulfonate, fatty alcohol ether sulfate, alkyl alcohol ether phosphate, branched alkyl alcohol ether sulfate ammonium salt and phenol ether sulfate; wherein the nonionic alkylphenol polyoxyethylene ether, the high-carbon fatty alcohol polyoxyethylene ether, the fatty acid polyoxyethylene ester, the sorbitan ester, the branched C13 alcohol ether and the ethylene oxide propylene oxide block polyether are adopted. A water-resistant veneer glue emulsion emulsifier is the above anionic emulsifier and nonionic emulsifier.
The reducing agent is titanium white powder, sodium bisulfite, sodium metabisulfite, ferric sulfite and thiourea dioxide.
The defoaming agent is polyether defoaming agent, silicone oil defoaming agent and polyether modified silicone oil.
The antiseptic is phenoxyethanol, isothiazolinone, ethylhexyl glycerol, benzoic acid, sodium benzoate, sorbic acid, potassium sorbate and calcium propionate
The preparation steps of the method are as follows,
step 1, weighing each raw material component according to a mass ratio for later use;
step 2, pre-emulsification of monomers: putting all the emulsifier and part of water into a pre-emulsifying device, starting stirring, rotating at 250rpm, dissolving at 50 ℃ for 15 minutes, cooling to below 30 ℃, mixing all soft and hard monomers and functional monomers, stirring for about 40 minutes, and standing for full emulsification without layering when the appearance is uniform milky and the viscosity is not less than 150 mpa.s;
step 3, adding a bottom material: adding part of softened water into a reaction kettle, adjusting the rotating speed to 25rpm, heating a jacket to 75 ℃, adding an oxidant, synchronously dropwise adding the pre-emulsion and the reducing agent at a constant speed for 4 hours, and controlling the reaction temperature to be 75-76 ℃. Dripping the pre-emulsion and the reducing agent at the speed of 50% in 20 minutes, dripping at the speed of 75% in 20 minutes, dripping at the speed of 85% in 30 minutes, and dripping at full speed at the speed of 250rpm in 40 minutes;
step 4, heat preservation process: after the dropwise addition of the emulsified monomer is finished, heat preservation is started, the temperature is controlled to be 79-81 ℃, and the heat preservation is carried out for 1 hour;
step 5, post-processing the residual sheets, namely after the heat preservation is finished, dropwise adding an oxidant, finishing dropwise adding in 10 minutes, adding a reducing agent after 20 minutes, and performing a second round of residual sheet processing after 40 minutes, wherein the processing is performed three times for 2 hours in total for one time of residual sheet processing;
and 6, continuously cooling to 50 ℃, adjusting the pH value, adding a defoaming agent and a mildew preventive, filtering by a 300-mesh sieve, and discharging.
Example 1:
the preparation method of the water-resistant plate alignment adhesive emulsion comprises the following raw material components in parts by weight:
25% of styrene, 21.5% of butyl acrylate, 0.25% of acrylamide, 1.5% of hydroxyethyl methacrylate, 0.25% of methacrylic acid, 0.1% of NP-20 nonionic emulsifier, 0.5% of DB-45 (import) anionic emulsifier, 0.15% of potassium persulfate, 0.1% of sodium metabisulfite, 0.15% of tert-butyl hydrogen peroxide, 0.01% of thiourea dioxide, 0.01% of defoamer, 0.1% of mildew preventive and 53% of softened water.
The preparation method comprises the following steps:
step 1, weighing each raw material component according to a mass ratio for later use;
step 2, pre-emulsification of monomers: putting all the emulsifiers NP-20 and DB-45 (imported products) and part of water into a pre-emulsifying device, starting stirring, rotating at 250rpm, dissolving at 50 ℃ for 15 minutes, cooling to below 30 ℃, sequentially adding acrylamide, hydroxyethyl methacrylate, propyl butyl, styrene and methacrylic acid, stirring for about 40 minutes, and standing without layering to obtain full emulsification when the appearance is uniform milky white and the viscosity is not less than 150 mpa.s;
step 3, adding a bottom material: adding part of softened water into a reaction kettle, adjusting the rotation speed to 25rpm, heating a jacket to 75 ℃, adding an oxidant potassium persulfate aqueous solution, synchronously dropwise adding a pre-emulsion and 1/2 reduction agent sodium pyrosulfite at a constant speed for 4 hours, and controlling the reaction temperature to be 75-76 ℃. Dripping the pre-emulsion and the reducing agent at the speed of 50% in 20 minutes, dripping at the speed of 75% in 20 minutes, dripping at the speed of 85% in 30 minutes, and dripping at full speed at the speed of 250rpm in 40 minutes;
step 4, heat preservation process: after the dropwise addition of the emulsified monomer is finished, the temperature is kept at 79-81 ℃, and when the temperature reaches 80 ℃, the remaining 1/2 sodium metabisulfite is pre-dissolved in water and added into the reactor.
Step 5, post-processing the residual sheets, namely after heat preservation is carried out for 30 minutes, beginning to drop 1/3 solution of oxidant tert-butyl hydrogen peroxide dissolved in advance, dropping the solution in 10 minutes, beginning to add 1/3 of reducing agent thiourea dioxide pre-solution after 20 minutes, and entering a second round of residual sheet processing after 40 minutes, wherein the processing is carried out three times for 2 hours in such a way as one-time residual sheet processing;
and 6, continuously cooling to 50 ℃, adjusting the pH value, adding a defoaming agent and a mildew preventive, filtering by a 300-mesh sieve, and discharging.
Example 2:
the preparation method of the water-resistant plate alignment adhesive emulsion comprises the following raw material components in parts by weight:
25% of styrene, 21.5% of butyl acrylate, 0.25% of acrylamide, 1.5% of hydroxyethyl methacrylate, 0.25% of methacrylic acid, 0.1% of NP-20 nonionic emulsifier, 0.5% of DB-45 (import) anionic emulsifier, 0.3% of SR-10 (import) polymeric emulsifier, 0.15% of potassium persulfate, 0.1% of sodium metabisulfite, 0.15% of tert-butyl hydrogen peroxide, 0.01% of thiourea dioxide, 0.01% of defoaming agent, 0.1% of mildew preventive and 53% of softened water.
The preparation method comprises the following steps:
step 1, weighing each raw material component according to a mass ratio for later use;
step 2, pre-emulsification of monomers: putting all the emulsifiers NP-20, DB-45, SR-10 and part of water into a pre-emulsifying device, starting stirring, rotating at 250rpm, dissolving at 50 ℃ for 15 minutes, cooling to below 30 ℃, sequentially adding acrylamide, hydroxyethyl methacrylate, propyl butyl, styrene and methacrylic acid, stirring for about 40 minutes, and standing without layering to obtain sufficient emulsification when the appearance is uniform milky white and the viscosity is not less than 150 mpa.s;
step 3, adding a bottom material: adding part of softened water into a reaction kettle, adjusting the rotation speed to 25rpm, heating a jacket to 75 ℃, adding an oxidant potassium persulfate aqueous solution, synchronously dropwise adding a pre-emulsion and 1/2 reduction agent sodium pyrosulfite at a constant speed for 4 hours, and controlling the reaction temperature to be 75-76 ℃. Dripping the pre-emulsion and the reducing agent at the speed of 50% in 20 minutes, dripping at the speed of 75% in 20 minutes, dripping at the speed of 85% in 30 minutes, and dripping at full speed at the speed of 250rpm in 40 minutes;
step 4, heat preservation process: after the dropwise addition of the emulsified monomer is finished, the temperature is kept at 79-81 ℃, and when the temperature reaches 80 ℃, the remaining 1/2 sodium metabisulfite is pre-dissolved in water and added into the reactor.
Step 5, post-processing the residual sheets, namely after heat preservation is carried out for 30 minutes, beginning to drop 1/3 solution of oxidant tert-butyl hydrogen peroxide dissolved in advance, dropping the solution in 10 minutes, beginning to add 1/3 of reducing agent thiourea dioxide pre-solution after 20 minutes, and entering a second round of residual sheet processing after 40 minutes, wherein the processing is carried out three times for 2 hours in such a way as one-time residual sheet processing;
and 6, continuously cooling to 50 ℃, adjusting the pH value, adding a defoaming agent and a mildew preventive, filtering by a 300-mesh sieve, and discharging.
Example 3:
the preparation method of the water-resistant plate alignment adhesive emulsion comprises the following raw material components in parts by weight:
25% of styrene, 21.5% of butyl acrylate, 0.25% of acrylamide, 1.5% of hydroxyethyl methacrylate, 0.25% of methacrylic acid, 0.1% of NP-20 nonionic emulsifier, 0.5% of DB-45 (import) anionic emulsifier, 0.3% of CAR-10 (import) polymeric emulsifier, 0.15% of potassium persulfate, 0.1% of sodium metabisulfite, 0.15% of tert-butyl hydrogen peroxide, 0.01% of thiourea dioxide, 0.01% of defoaming agent, 0.1% of mildew preventive and 53% of softened water.
The preparation method comprises the following steps:
step 1, weighing each raw material component according to a mass ratio for later use;
step 2, pre-emulsification of monomers: putting all emulsifiers NP-20, DB-45 and CAR-10 and part of water into a pre-emulsifying device, starting stirring, rotating at 250rpm, dissolving at 50 ℃ for 15 minutes, cooling to below 30 ℃, sequentially adding acrylamide, hydroxyethyl methacrylate, propyl butyl acrylate, styrene and methacrylic acid, stirring for about 40 minutes, and standing without layering to obtain full emulsion when the appearance is uniform milky white and the viscosity is not less than 150 mpa.s;
step 3, adding a bottom material: adding part of softened water into a reaction kettle, adjusting the rotation speed to 25rpm, heating a jacket to 75 ℃, adding an oxidant potassium persulfate aqueous solution, synchronously dropwise adding a pre-emulsion and 1/2 reduction agent sodium pyrosulfite at a constant speed for 4 hours, and controlling the reaction temperature to be 75-76 ℃. Dripping the pre-emulsion and the reducing agent at the speed of 50% in 20 minutes, dripping at the speed of 75% in 20 minutes, dripping at the speed of 85% in 30 minutes, and dripping at full speed at the speed of 250rpm in 40 minutes;
step 4, heat preservation process: after the dropwise addition of the emulsified monomer is finished, the temperature is kept at 79-81 ℃, and when the temperature reaches 80 ℃, the remaining 1/2 sodium metabisulfite is pre-dissolved in water and added into the reactor.
Step 5, post-processing the residual sheets, namely after heat preservation is carried out for 30 minutes, beginning to drop 1/3 solution of oxidant tert-butyl hydrogen peroxide dissolved in advance, dropping the solution in 10 minutes, beginning to add 1/3 of reducing agent thiourea dioxide pre-solution after 20 minutes, and entering a second round of residual sheet processing after 40 minutes, wherein the processing is carried out three times for 2 hours in such a way as one-time residual sheet processing;
and 6, continuously cooling to 50 ℃, adjusting the pH value, adding a defoaming agent and a mildew preventive, filtering by a 300-mesh sieve, and discharging.
Example 4:
the preparation method of the water-resistant plate alignment adhesive emulsion comprises the following raw material components in parts by weight:
25% of styrene, 21.5% of butyl acrylate, 0.25% of acrylamide, 1.5% of hydroxyethyl methacrylate, 0.25% of methacrylic acid, 0.1% of NP-20 nonionic emulsifier, 0.5% of DB-45 (import) anionic emulsifier, 0.3% of CAR-10 (import) polymeric emulsifier, 0.15% of potassium persulfate, 0.1% of sodium metabisulfite, 0.15% of tert-butyl hydrogen peroxide, 0.01% of thiourea dioxide, 0.01% of defoaming agent, 0.1% of mildew preventive and 53% of softened water.
The preparation method comprises the following steps:
step 1, weighing each raw material component according to a mass ratio for later use;
step 2, pre-emulsification of monomers: putting all parts of the emulsifiers NP-20 and DB-45 into a pre-emulsifying device, starting stirring, rotating at 250rpm, dissolving for 15 minutes at 50 ℃, cooling to below 30 ℃, sequentially adding acrylamide, hydroxyethyl methacrylate, propyl butyl, styrene and methacrylic acid, stirring for about 40 minutes, and standing without layering to obtain full emulsification when the appearance is uniform milky white and the viscosity is not less than 150 mpa.s;
step 3, adding a bottom material: adding part of softened water into a reaction kettle, adding a CAR-10 polymerization type emulsifier, regulating the rotation speed to 25rpm, heating a jacket to 75 ℃, adding an oxidizing agent potassium persulfate aqueous solution, synchronously dropwise adding a pre-emulsion and 1/2 reduction agent sodium metabisulfite at a constant speed for 4 hours, and controlling the reaction temperature to be 75-76 ℃. Dripping the pre-emulsion and the reducing agent at the speed of 50% in 20 minutes, dripping at the speed of 75% in 20 minutes, dripping at the speed of 85% in 30 minutes, and dripping at full speed at the speed of 250rpm in 40 minutes;
step 4, heat preservation process: after the dropwise addition of the emulsified monomer is finished, the temperature is kept at 79-81 ℃, and when the temperature reaches 80 ℃, the remaining 1/2 sodium metabisulfite is pre-dissolved in water and added into the reactor.
Step 5, post-processing the residual sheets, namely after heat preservation is carried out for 30 minutes, beginning to drop 1/3 solution of oxidant tert-butyl hydrogen peroxide dissolved in advance, dropping the solution in 10 minutes, beginning to add 1/3 of reducing agent thiourea dioxide pre-solution after 20 minutes, and entering a second round of residual sheet processing after 40 minutes, wherein the processing is carried out three times for 2 hours in such a way as one-time residual sheet processing;
and 6, continuously cooling to 50 ℃, adjusting the pH value, adding a defoaming agent and a mildew preventive, filtering by a 300-mesh sieve, and discharging.
Implementation results of the protocol:
1. matching of main agent of plate-splicing glue
2. Preparation process of bi-component plate-splicing glue main agent
(1): dissolving polyvinyl alcohol (PVA) into 15% solution by using softened water for later use;
(2): pumping 30 parts of polyvinyl alcohol solution and 30 parts of plate alignment adhesive emulsion into a stirring kettle by using a pump, starting the stirring speed to 50r/min, adding a defoaming agent, slowly adding 33 parts of heavy calcium, washing the kettle wall by using softened water, and stirring until no particles exist;
(3): adding 2 parts of film forming assistant and 0.1 part of preservative, after 30 minutes, locking a cover, vacuumizing for 1 hour, and performing sampling inspection and filtration.
3. Performance testing
(1) The smaller the particle size, the bluer the emulsion appearance, the larger the particle size, the whiter the appearance, the larger the molecular weight, and the correspondingly improved temperature resistance and water resistance.
(2) The active time refers to the open time of the operation of the plate alignment adhesive after the curing agent is added, the room temperature is 25 ℃, the humidity is 75%, the polyisocyanate curing agent accounting for 15% of the auxiliary agent content is added, the mixture is stirred and mixed uniformly, the viscosity becomes higher and higher along with the passage of time until the plate alignment adhesive can not be used, and the longer the active time is, the better the active time is;
(3) storage stability: after the emulsion is blended into a plate alignment adhesive additive, the plate alignment adhesive additive is stored at the normal temperature of 25 ℃ for 1 month in a normal pressure environment, and is qualified if no layering or precipitation occurs;
(4) the cracking rate of the glue line is as follows: evaluating the water resistance of the plate alignment adhesive emulsion, wherein the lower the cracking rate is, the better the water resistance is, otherwise, the lower the cracking rate is, referring to the Japanese JAS boiling water soaking stripping test standard, and the test wood is wood Ujin wood with medium hardness or above.
4 experiment and discussion:
the test results of the above four examples are shown in the following table:
from the above 5 points of comprehensive examination, it is desired that the emulsion is white, the condensate is less, the active time is long, the suspension property to the calcium powder filler is good, and the boiling resistant effect is excellent, and the embodiment 3 is the best scheme of the invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (9)
1. The water-based plate alignment adhesive emulsion is characterized in that: comprises 20 to 30 percent of hard monomer, 20 to 30 percent of soft monomer, 0.5 to 1.5 percent of functional monomer, 0.5 to 1.5 percent of emulsifier, 0.05 to 0.5 percent of oxidant, 0.05 to 0.5 percent of reducing agent, 0.01 to 0.1 percent of defoaming agent, 0.01 to 0.1 percent of mildew preventive and 40 to 60 percent of softened water.
2. The aqueous makeup glue emulsion according to claim 1, characterized in that: the hard monomer refers to the monomer with higher glass transition temperature of homopolymer, and comprises methyl methacrylate, styrene and acrylonitrile.
3. The aqueous makeup glue emulsion according to claim 1, wherein: the soft monomer refers to a monomer with lower homopolymer glass transition temperature, and comprises butyl acrylate, isooctyl acrylate, vinyl versatate and ethyl acrylate.
4. The aqueous makeup glue emulsion according to claim 1, wherein: the functional monomer refers to a monomer providing a specific functional group, and comprises acrylic acid, methacrylic acid, acrylamide, N-hydroxymethyl acrylamide, isobornyl methacrylate and itaconic acid.
5. The aqueous makeup glue emulsion according to claim 1, wherein: the emulsifier comprises an anionic emulsifier and a nonionic emulsifier, wherein the anion comprises alkyl alcohol ether sodium sulfosuccinate, linear alkyl benzene sulfonate, fatty alcohol ether sulfate, alkyl alcohol ether phosphate, branched alkyl alcohol ether sulfate ammonium salt and phenol ether sulfate; wherein the nonionic alkylphenol polyoxyethylene ether, the high-carbon fatty alcohol polyoxyethylene ether, the fatty acid polyoxyethylene ester, the sorbitan ester, the branched C13 alcohol ether and the ethylene oxide propylene oxide block polyether are adopted. A water-resistant veneer glue emulsion emulsifier is the above anionic emulsifier and nonionic emulsifier.
6. The aqueous makeup glue emulsion according to claim 4, wherein: the reducing agent is titanium white powder, sodium bisulfite, sodium metabisulfite, ferric sulfite and thiourea dioxide.
7. The aqueous makeup glue emulsion according to claim 4, wherein: the defoaming agent is polyether defoaming agent, silicone oil defoaming agent and polyether modified silicone oil.
8. The aqueous makeup glue emulsion according to claim 4, wherein: the preservative is phenoxyethanol, isothiazolinone, ethylhexyl glycerol, benzoic acid, sodium benzoate, sorbic acid, potassium sorbate and calcium propionate.
9. The aqueous jigsaw puzzle emulsion of claim 1, which is prepared by the following steps,
step 1, weighing each raw material component according to a mass ratio for later use;
step 2, pre-emulsification of monomers: putting all the emulsifier and part of water into a pre-emulsifying device, starting stirring, rotating at 250rpm, dissolving at 50 ℃ for 15 minutes, cooling to below 30 ℃, mixing all soft and hard monomers and functional monomers, stirring for about 40 minutes, and standing for full emulsification without layering when the appearance is uniform milky and the viscosity is not less than 150 mpa.s;
step 3, adding a bottom material: adding part of softened water into a reaction kettle, adjusting the rotating speed to 25rpm, heating a jacket to 75 ℃, adding an oxidant, synchronously dropwise adding the pre-emulsion and the reducing agent at a constant speed for 4 hours, and controlling the reaction temperature to be 75-76 ℃. Dripping the pre-emulsion and the reducing agent at the speed of 50% in 20 minutes, dripping at the speed of 75% in 20 minutes, dripping at the speed of 85% in 30 minutes, and dripping at full speed at the speed of 250rpm in 40 minutes;
step 4, heat preservation process: after the dropwise addition of the emulsified monomer is finished, heat preservation is started, the temperature is controlled to be 79-81 ℃, and the heat preservation is carried out for 1 hour;
step 5, post-processing the residual sheets, namely after the heat preservation is finished, dropwise adding an oxidant, finishing dropwise adding in 10 minutes, adding a reducing agent after 20 minutes, and performing a second round of residual sheet processing after 40 minutes, wherein the processing is performed three times for 2 hours in total for one time of residual sheet processing;
and 6, continuously cooling to 50 ℃, adjusting the pH value, adding a defoaming agent and a mildew preventive, filtering by a 300-mesh sieve, and discharging.
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| CN106046243A (en) * | 2016-08-02 | 2016-10-26 | 常熟巴德富科技有限公司 | Environment-friendly high-solid-content PVC (Polyvinyl Chloride) floor glue emulsion and preparation method thereof |
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| CN109705257A (en) * | 2018-12-17 | 2019-05-03 | 佛山市顺德区巴德富实业有限公司 | A kind of damping acrylic emulsion and preparation method thereof |
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| CN106046243A (en) * | 2016-08-02 | 2016-10-26 | 常熟巴德富科技有限公司 | Environment-friendly high-solid-content PVC (Polyvinyl Chloride) floor glue emulsion and preparation method thereof |
| CN106832106A (en) * | 2017-01-23 | 2017-06-13 | 杭州传化精细化工有限公司 | A kind of water polyacrylic acid emulsion and preparation method thereof |
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Application publication date: 20210309 |