CN108276521A - A kind of polyacrylate sodium phosphate dispersant and preparation method thereof - Google Patents
A kind of polyacrylate sodium phosphate dispersant and preparation method thereof Download PDFInfo
- Publication number
- CN108276521A CN108276521A CN201711416392.XA CN201711416392A CN108276521A CN 108276521 A CN108276521 A CN 108276521A CN 201711416392 A CN201711416392 A CN 201711416392A CN 108276521 A CN108276521 A CN 108276521A
- Authority
- CN
- China
- Prior art keywords
- sodium phosphate
- polyacrylate
- dispersant
- acrylate
- phosphate dispersant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000001488 sodium phosphate Substances 0.000 title claims abstract description 64
- 229910000162 sodium phosphate Inorganic materials 0.000 title claims abstract description 64
- 239000002270 dispersing agent Substances 0.000 title claims abstract description 59
- 229920000058 polyacrylate Polymers 0.000 title claims abstract description 36
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 125000005250 alkyl acrylate group Chemical group 0.000 claims abstract description 26
- 239000000178 monomer Substances 0.000 claims abstract description 25
- 239000002253 acid Substances 0.000 claims abstract description 21
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 239000003999 initiator Substances 0.000 claims abstract description 10
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000008367 deionised water Substances 0.000 claims abstract description 6
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- -1 by weight percentage Substances 0.000 claims description 14
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 12
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 claims description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- DLYUQMMRRRQYAE-UHFFFAOYSA-N phosphorus pentoxide Inorganic materials O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 claims description 12
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 9
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical group COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 8
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical group OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 230000001804 emulsifying effect Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 239000000839 emulsion Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000010992 reflux Methods 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 239000004615 ingredient Substances 0.000 claims description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 3
- 229920002125 Sokalan® Polymers 0.000 claims description 3
- 239000004584 polyacrylic acid Substances 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- PBOSTUDLECTMNL-UHFFFAOYSA-N lauryl acrylate Chemical class CCCCCCCCCCCCOC(=O)C=C PBOSTUDLECTMNL-UHFFFAOYSA-N 0.000 claims description 2
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 2
- 229910001948 sodium oxide Inorganic materials 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims description 2
- YWEUIGNSBFLMFL-UHFFFAOYSA-N diphosphonate Chemical compound O=P(=O)OP(=O)=O YWEUIGNSBFLMFL-UHFFFAOYSA-N 0.000 claims 2
- UGCQDCMVAKKTQG-UHFFFAOYSA-N 4-ethylnonane Chemical compound CCCCCC(CC)CCC UGCQDCMVAKKTQG-UHFFFAOYSA-N 0.000 claims 1
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 claims 1
- 150000001335 aliphatic alkanes Chemical class 0.000 claims 1
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 claims 1
- 239000006185 dispersion Substances 0.000 abstract description 23
- 239000000049 pigment Substances 0.000 abstract description 22
- 239000002245 particle Substances 0.000 abstract description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 4
- 150000003839 salts Chemical class 0.000 abstract description 4
- 239000006229 carbon black Substances 0.000 abstract description 3
- 239000001023 inorganic pigment Substances 0.000 abstract description 3
- 239000004593 Epoxy Substances 0.000 abstract description 2
- 150000001253 acrylic acids Chemical class 0.000 abstract description 2
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 abstract description 2
- 239000004814 polyurethane Substances 0.000 abstract description 2
- 229920002635 polyurethane Polymers 0.000 abstract description 2
- 239000011256 inorganic filler Substances 0.000 abstract 1
- 239000003973 paint Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical group CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000012860 organic pigment Substances 0.000 description 3
- 239000003643 water by type Substances 0.000 description 3
- XFRVVPUIAFSTFO-UHFFFAOYSA-N 1-Tridecanol Chemical compound CCCCCCCCCCCCCO XFRVVPUIAFSTFO-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 229920002276 poly(acrylate) macromolecule Polymers 0.000 description 2
- 229920001228 polyisocyanate Polymers 0.000 description 2
- 239000005056 polyisocyanate Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- CUDYYMUUJHLCGZ-UHFFFAOYSA-N 2-(2-methoxypropoxy)propan-1-ol Chemical compound COC(C)COC(C)CO CUDYYMUUJHLCGZ-UHFFFAOYSA-N 0.000 description 1
- RXBOCDZLKBPILN-UHFFFAOYSA-N 2-propylheptyl prop-2-enoate Chemical compound CCCCCC(CCC)COC(=O)C=C RXBOCDZLKBPILN-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 206010068052 Mosaicism Diseases 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- JAZUZKJSPLCHDL-UHFFFAOYSA-N [Zn].[N+](=O)([O-])C=1C(=C(C(=O)O)C=CC1)[N+](=O)[O-] Chemical compound [Zn].[N+](=O)([O-])C=1C(=C(C(=O)O)C=CC1)[N+](=O)[O-] JAZUZKJSPLCHDL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- SZOHULOJLBUVSJ-UHFFFAOYSA-K aluminum;zinc;phosphate;hydrate Chemical compound O.[Al+3].[Zn+2].[O-]P([O-])([O-])=O SZOHULOJLBUVSJ-UHFFFAOYSA-K 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 239000010797 grey water Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 210000003765 sex chromosome Anatomy 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 1
- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
- XAEWLETZEZXLHR-UHFFFAOYSA-N zinc;dioxido(dioxo)molybdenum Chemical compound [Zn+2].[O-][Mo]([O-])(=O)=O XAEWLETZEZXLHR-UHFFFAOYSA-N 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
- C08F230/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal
- C08F230/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing phosphorus
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/06—Phosphorus compounds without P—C bonds
- C07F9/08—Esters of oxyacids of phosphorus
- C07F9/09—Esters of phosphoric acids
- C07F9/091—Esters of phosphoric acids with hydroxyalkyl compounds with further substituents on alkyl
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/06—Phosphorus compounds without P—C bonds
- C07F9/08—Esters of oxyacids of phosphorus
- C07F9/09—Esters of phosphoric acids
- C07F9/11—Esters of phosphoric acids with hydroxyalkyl compounds without further substituents on alkyl
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K23/00—Use of substances as emulsifying, wetting, dispersing, or foam-producing agents
- C09K23/14—Derivatives of phosphoric acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Wood Science & Technology (AREA)
- Paints Or Removers (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Abstract
The present invention relates to a kind of polyacrylate sodium phosphate dispersants, are made by acrylic monomers, alkyl acrylate sodium phosphate, initiator, chain-transferring agent and deionized water by reacting；The polyacrylate sodium phosphate dispersant, molecular weight is 3,500 5000, grain size is 100 150nm；The polyacrylate sodium phosphate dispersant of the present invention contains branched chain structure, and acting on particle surface by electrostatic repulsion and steric hindrance forms multiple spot anchor, and dispersibility is stronger, it is more evenly distributed, store it is more stable, it is more excellent with the compatibility of water-based system, do not flocculate, not loose colour.Polyacrylate sodium phosphate dispersant produced by the present invention is suitble to the dispersion of carbon black, phthalocyanine pigment, inorganic pigment and filler or is co-mulled and made into, and improves the water resistance and salt fog resistance of pigment dispersion.It is suitble to systems, the especially dispersions of aqueous industrial anticorrosive antirust primer such as various water soluble acrylic acids, water alcohol acid, aqueous polyurethane, water-base epoxy or is co-mulled and made into.
Description
Technical field
The present invention relates to a kind of modified polyacrylate dispersants more particularly to a kind of polyacrylate sodium phosphate to disperse
Agent and preparation method thereof belongs to polymeric dispersant technical field.
Background technology
In coating and printing ink production, pigment dispersion is a vital link, selects suitable dispersant can be compared with
It easily obtains pigment and disperses uniform, stable storing coating, although traditional dispersant is shown effectively in aqueous dispersion medium
Stably dispersing effect, but due to they pigment particles surface absorption not very securely, be easy desorbed from particle surface
It reassembles or precipitates so as to cause scattered particle, the long-time stability of system are not good enough, to paint film appearance, hardness and resistance to old
The properties such as change also adversely affect, and especially dispersant feature with strong points, same dispersant cannot be widely used in difference
The dispersion of organic pigment, leading to user, increased production cost.
Dispersant be it is a kind of in the molecule while there is the interfacial agents of two kinds of opposite natures of lipophile and hydrophily, can
Uniform inorganic, organic pigment the solid particle for disperseing to be insoluble in liquid, while preventing the sedimentation and cohesion of solid particle.With
The raising that people require health environment-friendly, Environmental Protective Water-paint becomes the new lover of building decoration area, in coating manufacture craft,
Pigment in the case where grinding shearing force with small even particulate dispersion in paint vehicle, since pigment particles surface polarity is low, but water
Surface tension is more much larger than organic solvent, it is necessary to which adding some auxiliary agents reduces the surface tension of water, enhances to granules of pigments
Wetting action so that when preparing water paint ink, stably dispersing sex chromosome mosaicism is difficult to solve, and reduces its use scope；
Therefore, it is necessary to which being modified to surface of pigments makes pigment particles surface cover certain dispersant, improve pigment application to reach
The purpose of performance.
Chinese patent CN105295500A discloses a kind of coating dispersant, is made of following component；Acrylic acid, methyl-prop
E pioic acid methyl ester, ethylene glycol, organic solvent, modification infusorial earth, initiator, sodium sulfite, neutralizer；It can reduce water paint
Surface tension, wetting action of the enhancing to granules of pigments, the dispersion for making granules of pigments stablize in the liquid phase, and can be with coating
Surface group firmly combines rapidly, makes being suspended in aqueous solvent for pigment particles stabilization, so that pigment is obtained preferable dispersion, reaches
To best dispersion effect；But it needs to be forced into 6-10Mpa during the reaction, and reaction temperature is higher, more than 100 DEG C,
Reaction time is long, needs that a large amount of organic solvents are added during the reaction.
Chinese patent CN106009935A discloses a kind of aqueous dispersion and its preparation method and application；It is had by metal
Machine object, polyisocyanates and polyethylene glycol react；To reducing the surface tension significant effect of water and pigment, obtained after dispersion
Mill base have the characteristics that viscosity is low, concentration is high, bright in colour, stability is high, UV resistant performance is good, and water paint can be made
System during storage will not be thick there is a phenomenon where flocculating and returning.But it uses polyisocyanates for raw material, is difficult to anti-
Should be complete, when it is as aqueous dispersion, responseless isocyanates reacts with water, influences dispersant and its material
Performance.And the dispersant of the invention does not generate any effect with base material, dispersant, which is added, can influence paint film water resistance.
For current dispersant there are the problem of, dispersant has organic solvent to wave during production process or use
Hair, and film forming procedure is not acted on, consider dispersant and not only answer dispersion performance superior, and production cost wants low, this hair
Bright person is designed a kind of efficient water paint dispersant, can not only effectively be divided by the dispersion mechanism research to dispersant
Dispersed pigment, filler are free of organic solvent, and it has facilitation to the adhesive force of film forming procedure.
Invention content
Polyacrylate macromolecule dispersing agent reaches the mesh of dispersion by the collective effect of electrostatic repulsion and steric hindrance
, because polyacrylic acid easily in polarity powder (inorganic pigment) adsorption and generates stronger electrostatic repulsion, and acrylate
Strand can spread in decentralized medium, and steric hindrance is generated between particle, can organic pigment particles similar with structure surface
It is formed and is anchored, to improve dispersion performance altogether.
In order to solve dispersion and stability of the polyacrylate macromolecule dispersing agent in water-based system, the present invention is
Phosphate function monomer is introduced into polyacrylate end, phosphate forms hydrophilic sodium salt after neutralizing, improve and aqueous body
The compatibility and dispersion stabilization of system.In addition the highly polar and base material of bound phosphate groups produces strong chemical bonding effect,
Make metal substrate phosphatization, improve adhesive force and crosslink density with base material, form fine and close protective film, improves water resistance and salt tolerant
Mist.
Polyacrylic acid sodium phosphate dispersant is prepared, can be obtained than peroxide initiator using azodiisobutyronitrile initiator
Molecular weight distribution is narrower and the polymer that is evenly distributed.
The present invention is not necessarily to that emulsifier is added in process of production, is emulsified using alkyl acrylate sodium phosphate as response type
Agent, therefore when preparing alkyl acrylate sodium phosphate, the moderate alkyl of carbochain is introduced, if carbochain is long, in radical polymerization
Steric hindrance is larger when conjunction, influences its performance；Carbochain is too short, and emulsifying capacity is weaker, and when synthesis easy tos produce gel, and compatibility becomes
Difference, the present invention use alkyl carbon chain for C12-15。
The object of the invention is intended to provide a kind of polyacrylate sodium phosphate dispersant and preparation method thereof.
The polyacrylate sodium phosphate dispersant, molecular structural formula are as follows：
Wherein, the R in molecular formula is C12-15Alkyl, R1、R2、R3Can be H ,-CH3；N=3~5, by chain-transferring agent come
Control extent of polymerization and its molecular weight and distribution.
The polyacrylate sodium phosphate dispersant, molecular weight is 3500~5000, grain size is 100~150nm.
In order to solve the problems, such as that techniques as described above, the present invention take following technical scheme：The present invention relates to one kind poly- third
Olefin(e) acid ester sodium phosphate dispersant, by weight percentage, ingredient is：Acrylic monomer 42.0~56.0%, alkyl
Acid esters sodium phosphate 18.0~28.0%, azodiisobutyronitrile 0.4~0.8%, chain-transferring agent 0.5~5.0%, deionized water 20.0
~35.0%.
Wherein, the acrylic monomer be methyl acrylate, methyl methacrylate, butyl methacrylate,
2- propylheptyls acrylate, methyl 2- propylheptyls acrylate, lauryl alcohol ester or lauryl acrylate are extremely
Few two or more combination.
The chain-transferring agent is lauryl mercaptan or 3- sulfydryl Isooctyl acrylate monomers.
The alkyl acrylate sodium phosphate is synthesized by following reaction equation：
R in molecular formula is C12-15Alkyl.
The alkyl acrylate phosphate, by weight percentages, ingredient are：Hydroxy-ethyl acrylate 20.0~
25.0%, R-OH 36~46.0%, hydroquinone 0.1~0.5%, sodium hydroxide 6.5~10%%, phosphorus pentoxide 25.0
~32.0%.
The R-OH is alkyl C12-15Single methanol.
The alkyl acrylate sodium phosphate, preparation process are as follows：
Hydroxy-ethyl acrylate and hydroquinone are added in reaction kettle by formula ratio, stirred evenly, control temperature 5~
10 DEG C, it is slowly added to phosphorus pentoxide and single methanol in batches, finishes and is rapidly heated to 82 DEG C, 3~4h of insulation reaction, is surveyed every 0.5h
Determine acid value, when the acid value detected reaches Theoretical Design value, be cooled to 50~60 DEG C, sodium hydroxide is added, is stirred to react 1h,
40 DEG C of cooling is with bottom discharge, i.e., described alkyl acrylate sodium phosphate.
The present invention provides a kind of preparation method of polyacrylate sodium phosphate dispersant, and preparation process is as follows：
A) acrylic monomer, is weighed by formula ratio, 30min is stirred at 50 DEG C, obtains monomer premixed liquid；
B), with thermometer, reflux condensing tube, blender reaction kettle in, be added 1/3 parts by weight monomer premix
Liquid, part alkyl acrylate sodium phosphate, part initiator and deionized water, stirring and emulsifying disperse 0.5h, are warming up to 80~84
DEG C, insulation reaction 0.5h obtains seed emulsion；
C) 80~84 DEG C of temperature, is controlled, the mixed liquor of remaining monomer premixed liquid and part initiator is added dropwise, 2.0~
2.5h being added dropwise；Then the mixed liquor of remaining alkyl acrylate sodium phosphate and remaining initiator is slowly added dropwise, 2.0~
2.5h is added dropwise, and heats up 85~88 DEG C, and chain-transferring agent is added, and insulation reaction 1h cools down, and filtering and discharging obtains described poly- third
Olefin(e) acid ester sodium phosphate dispersant.
Polyacrylate sodium phosphate dispersant of the present invention is not necessarily to compared with traditional polycarboxylic acids ammonium salt type dispersant
Additional emulsifier, self-emulsification synthesis are conducive to the water resistance for improving dispersion film forming.
The polyacrylate sodium phosphate dispersant of the present invention, since bound phosphate groups can generate fine and close passivation with base material
Film improves adhesive force, water resistance and the salt fog resistance of dispersion film forming.
The polyacrylate sodium phosphate dispersant of the present invention contains more branched structure, the electrostatic repulsion of acrylic acid and branch
The steric hindrance of chain forms more anchor point connections on pigment particles surface, and dispersibility is stronger, and branch is extend into decentralized medium
Bridge formation net distribution is generated, pigment particles is made to be more evenly distributed, storage is more stable.Hydrophilic chain alkyl phosphoric acid sodium salt can have in the end of the chain
Effect is stretched in water-based system, improves the compatibility of pigment particles and water-based system, is not flocculated, not loose colour.
Polyacrylate sodium phosphate dispersant produced by the present invention is suitble to carbon black, phthalocyanine pigment, inorganic pigment and fills out
The dispersion of material is co-mulled and made into, and improves the water resistance and salt fog resistance of pigment dispersion.It is suitble to various water soluble acrylic acids, aqueous alcoholic
The systems such as acid, aqueous polyurethane, water-base epoxy, the especially dispersion of aqueous industrial anticorrosive antirust primer are co-mulled and made into.
Specific implementation mode
The present invention is with the following Examples described further the preparation of polyacrylate sodium phosphate dispersant.It can manage
Solution, specific embodiment described herein are used only for explaining related invention, rather than the restriction to the invention.
Embodiment 1
A kind of alkyl acrylate sodium phosphate A, preparation process are as follows：
0.3 part of 21.8 parts of hydroxy-ethyl acrylate and hydroquinone are added in reaction kettle, stirred evenly, control temperature exists
5~10 DEG C, it is slowly added to 43.3 parts of 27.0 parts of phosphorus pentoxide and lauryl alcohol in batches, finishes and is rapidly heated to 82 DEG C, heat preservation is anti-
3~4h is answered, acid value is measured every 0.5h, when the acid value detected reaches Theoretical Design value, 50~60 DEG C is cooled to, hydrogen is added
7.6 parts of sodium oxide molybdena is stirred to react 1h, and 40 DEG C of cooling obtains the alkyl acrylate sodium phosphate A with bottom discharge.
Embodiment 2
A kind of alkyl acrylate sodium phosphate B, preparation process are as follows：
0.5 part of 24.0 parts of hydroxy-ethyl acrylate and hydroquinone are added in reaction kettle, stirred evenly, control temperature exists
5~10 DEG C, it is slowly added to 37.9 parts of 29.3 parts of phosphorus pentoxide and different tridecanol in batches, finishes and is rapidly heated to 82 DEG C, keeps the temperature
3~4h is reacted, acid value is measured every 0.5h, when the acid value detected reaches Theoretical Design value, 50~60 DEG C is cooled to, is added
8.3 parts of sodium hydroxide is stirred to react 1h, and 40 DEG C of cooling obtains the alkyl acrylate sodium phosphate B with bottom discharge.
Embodiment 3
A kind of alkyl acrylate sodium phosphate C, preparation process are as follows：
0.4 part of 23.2 parts of hydroxy-ethyl acrylate and hydroquinone are added in reaction kettle, stirred evenly, control temperature exists
5~10 DEG C, it is slowly added to 40.0 parts of 28.4 parts of phosphorus pentoxide and different tridecanol in batches, finishes and is rapidly heated to 82 DEG C, keeps the temperature
3~4h is reacted, acid value is measured every 0.5h, when the acid value detected reaches Theoretical Design value, 50~60 DEG C is cooled to, is added
8.0 parts of sodium hydroxide is stirred to react 1h, and 40 DEG C of cooling obtains the alkyl acrylate sodium phosphate C with bottom discharge.
Embodiment 4
A kind of polyacrylate sodium phosphate dispersant A1, preparation process is as follows：
A), weigh 7.0 parts of methyl acrylate, 10.5 parts of butyl methacrylate, 17.5 parts of 2- propylheptyls acrylate,
18.5 parts of lauryl alcohol ester, 30min is stirred at 50 DEG C, obtains monomer premixed liquid；
B), with thermometer, reflux condensing tube, blender reaction kettle in, be added 16.0 parts of monomer premixed liquids, 7.0
Part alkyl acrylate sodium phosphate A, 0.2 part of azodiisobutyronitrile and 20.3 parts of deionized waters, stirring and emulsifying disperse 0.5h, heating
To 80~84 DEG C, insulation reaction 0.5h obtains seed emulsion；
C) 80~84 DEG C of temperature, is controlled, the mixed liquor of 37.5 parts of monomer premixed liquids and 0.2 part of azodiisobutyronitrile is added dropwise,
It is added dropwise in 2.0~2.5h；Then 18.0 parts of alkyl acrylate sodium phosphate A and 0.2 part of azodiisobutyronitrile are slowly added dropwise
Mixed liquor, be added dropwise in 2.0~2.5h, heat up 85~88 DEG C, be added 0.6 part of lauryl mercaptan, insulation reaction 1h, drop
Temperature, filtering and discharging obtain the polyacrylate sodium phosphate dispersant A1。
Embodiment 5
A kind of polyacrylate sodium phosphate dispersant B1, preparation process is as follows：
A) 6.5 parts of methyl acrylate, 9.8 parts of butyl methacrylate, methyl 2- propylheptyls acrylate 17.5, are weighed
Part, 16.8 parts of lauryl alcohol ester, stir 30min at 50 DEG C, obtain monomer premixed liquid；
B), with thermometer, reflux condensing tube, blender reaction kettle in, be added 15.0 parts of monomer premixed liquids, 6.0
Part alkyl acrylate sodium phosphate B, 0.2 part of azodiisobutyronitrile and 24.8 parts of deionized waters, stirring and emulsifying disperse 0.5h, heating
To 80~84 DEG C, insulation reaction 0.5h obtains seed emulsion；
C) 80~84 DEG C of temperature, is controlled, the mixed liquor of 35.6 parts of monomer premixed liquids and 0.2 part of azodiisobutyronitrile is added dropwise,
It is added dropwise in 2.0~2.5h；Then 17.0 parts of alkyl acrylate sodium phosphate B and 0.2 part of azodiisobutyronitrile are slowly added dropwise
Mixed liquor, be added dropwise in 2.0~2.5h, heat up 85~88 DEG C, be added 1.0 parts of lauryl mercaptans, insulation reaction 1h, drop
Temperature, filtering and discharging obtain the polyacrylate sodium phosphate dispersant B1。
Embodiment 6
A kind of polyacrylate sodium phosphate dispersing agent C1, preparation process is as follows：
A) 7.2 parts of methyl methacrylate, 10.8 parts of butyl methacrylate, 2- propylheptyl acrylate, are weighed
17.2 parts, 18.6 parts of lauryl alcohol ester, stir 30min at 50 DEG C, obtain monomer premixed liquid；
B), with thermometer, reflux condensing tube, blender reaction kettle in, be added 16.0 parts of monomer premixed liquids, 8.0
Part alkyl acrylate sodium phosphate C, 0.2 part of azodiisobutyronitrile and 20.6 parts of deionized waters, stirring and emulsifying disperse 0.5h, heating
To 80~84 DEG C, insulation reaction 0.5h obtains seed emulsion；
C) 80~84 DEG C of temperature, is controlled, the mixed liquor of 37.8 parts of monomer premixed liquids and 0.2 part of azodiisobutyronitrile is added dropwise,
It is added dropwise in 2.0~2.5h；Then 16.0 parts of alkyl acrylate sodium phosphate C and 0.2 part of azodiisobutyronitrile are slowly added dropwise
Mixed liquor, be added dropwise, heat up 85~88 DEG C in 2.0~2.5h, 1.0 parts of 3- sulfydryl Isooctyl acrylate monomers are added, heat preservation is anti-
1h is answered, is cooled down, filtering and discharging obtains the polyacrylate sodium phosphate dispersing agent C1。
Embodiment 7
Application example：A kind of grey water alcohol acid anti-corrosive primer, consisting of：42.0 parts of aqueous alkide resin, propylene glycol
1.0 parts, 2.5 parts of dispersant, 2.0 parts of dinitrobenzoic acid zinc, 11.0 parts of trbasic zinc phosphate, 4.0 parts of zinc molybdate, zinc aluminum phosphate hydrate
5.0 parts, 6.0 parts of mica powder, 10.0 parts of kaolin, 2.5 parts of titanium dioxide, 0.8 part of carbon black, 0.2 part of antifoaming agent, 0.2 part of levelling agent,
0.1 part of pH adjusting agent, 2.0 parts of dipropylene glycol methyl ether, 0.4 part of anti-settling agent, 10.3 parts of deionized water.
Wherein, the dispersant is respectively：Polyacrylate sodium phosphate dispersant A1, polyacrylate sodium phosphate dispersant
B1, polyacrylate sodium phosphate dispersing agent C1(BYK190W+Tego750W) comparative example.
Water alcohol acid anti-corrosive primer is applied to the embodiment of the present invention and comparative example (BYK190W+Tego750W), according to
The performance indicator of relevant criterion, detection is as shown in table 1.
Table 1：Water alcohol acid anti-corrosive primer performance technologies index
Although the present invention has described it in detail and cited embodiments, but for those of ordinary skill in the art, show
Various schemes, modification and the change that can so make as specified above, should be construed as being included within the scope of the claims.
Claims (6)
1. a kind of polyacrylate sodium phosphate dispersant, it is characterised in that：The polyacrylate sodium phosphate dispersant, point
Subformula is as follows：
Wherein, the R in molecular formula is C12-15Alkyl, R1、R2、R3Can be H ,-CH3；N=3~5；
The polyacrylate sodium phosphate dispersant, molecular weight is 3500~5000, grain size is 100~150nm；
The polyacrylate sodium phosphate dispersant, by weight percentage, ingredient is：Acrylic monomer 42.0~
56.0%, alkyl acrylate sodium phosphate 18.0~28.0%, azodiisobutyronitrile 0.4~0.8%, chain-transferring agent 0.5~
5.0%, deionized water 20.0~35.0%.
2. polyacrylate sodium phosphate dispersant according to claim 1, it is characterised in that：The acrylic compounds list
Body is methyl acrylate, methyl methacrylate, butyl methacrylate, 2- propylheptyls acrylate, methyl 2- propyl heptan
The combination of base acrylate, lauryl alcohol ester or at least two or more lauryl acrylates.
3. polyacrylate sodium phosphate dispersant according to claim 1, it is characterised in that：The chain-transferring agent is ten
Dialkyl group mercaptan or 3- sulfydryl Isooctyl acrylate monomers.
4. polyacrylate sodium phosphate dispersant according to claim 1, it is characterised in that：The alkyl acrylate
Sodium phosphate, by weight percentages, ingredient are：It is hydroxy-ethyl acrylate 20.0~25.0%, R-OH 36~46.0%, right
Benzenediol 0.1~0.5%, sodium hydroxide 6.5~10%%, phosphorus pentoxide 25.0~32.0%；Wherein, the R-OH is alkane
Base C12-15Single methanol.
5. polyacrylate sodium phosphate dispersant according to claim 1 or 4, it is characterised in that：The alkyl
Acid esters sodium phosphate, preparation process are as follows：Hydroxy-ethyl acrylate and hydroquinone are added in reaction kettle by formula ratio, stirred
Uniformly, control temperature is slowly added to phosphorus pentoxide and single methanol, finishes and be rapidly heated to 82 DEG C in batches at 5~10 DEG C, and heat preservation is anti-
3~4h is answered, acid value is measured every 0.5h, when the acid value detected reaches Theoretical Design value, 50~60 DEG C is cooled to, hydrogen is added
Sodium oxide molybdena, is stirred to react 1h, and 40 DEG C of cooling is with bottom discharge, i.e. the alkyl acrylate sodium phosphate.
6. a kind of preparation method of polyacrylate sodium phosphate dispersant as described in claim 1, it is characterised in that：The system
Preparation Method, steps are as follows：
A) acrylic monomer, is weighed by formula ratio, 30min is stirred at 50 DEG C, obtains monomer premixed liquid；
B), with thermometer, reflux condensing tube, blender reaction kettle in, the monomer premixed liquids of 1/3 parts by weight, portion is added
Divide alkyl acrylate sodium phosphate, part initiator and deionized water, stirring and emulsifying to disperse 0.5h, be warming up to 80~84 DEG C, protects
Temperature reaction 0.5h, obtains seed emulsion；
C) 80~84 DEG C of temperature, is controlled, the mixed liquor of remaining monomer premixed liquid and part initiator is added dropwise, in 2.0~2.5h
It is added dropwise；Then the mixed liquor of remaining alkyl acrylate sodium phosphate and remaining initiator is slowly added dropwise, in 2.0~2.5h
It is added dropwise, heats up 85~88 DEG C, chain-transferring agent is added, insulation reaction 1h cools down, and filtering and discharging obtains the polyacrylic acid
Ester sodium phosphate dispersant.
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| CN111234088A (en) * | 2020-03-12 | 2020-06-05 | 广东巴德富新材料有限公司 | Functional acrylate dispersant and preparation method thereof |
| CN112940194A (en) * | 2021-01-29 | 2021-06-11 | 武汉奥克特种化学有限公司 | Preparation method and application of inorganic pigment and filler water-based dispersant |
| CN113831542A (en) * | 2021-11-16 | 2021-12-24 | 鄂州市安吉康科技有限公司 | Preparation method of phosphate ester dispersing agent for matte powder |
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