CN110229341A - A kind of organic silicon resin-based Non-ionic dispersant and preparation method thereof - Google Patents
A kind of organic silicon resin-based Non-ionic dispersant and preparation method thereof Download PDFInfo
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- CN110229341A CN110229341A CN201910465932.6A CN201910465932A CN110229341A CN 110229341 A CN110229341 A CN 110229341A CN 201910465932 A CN201910465932 A CN 201910465932A CN 110229341 A CN110229341 A CN 110229341A
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- organic silicon
- ionic dispersant
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- 239000002270 dispersing agent Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 13
- 239000010703 silicon Substances 0.000 title claims abstract description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 229920005989 resin Polymers 0.000 title claims abstract description 12
- 239000011347 resin Substances 0.000 title claims abstract description 12
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- -1 polyoxyethylene Polymers 0.000 claims abstract description 12
- 229920002545 silicone oil Polymers 0.000 claims abstract description 12
- 229920000570 polyether Polymers 0.000 claims abstract description 11
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims abstract description 8
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 8
- 229920000056 polyoxyethylene ether Polymers 0.000 claims abstract description 8
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229940051841 polyoxyethylene ether Drugs 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 7
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 6
- 239000001301 oxygen Substances 0.000 claims abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 6
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims abstract description 5
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims abstract description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract 4
- 125000003700 epoxy group Chemical group 0.000 claims description 9
- 230000035484 reaction time Effects 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 239000003973 paint Substances 0.000 abstract description 4
- 239000007787 solid Substances 0.000 abstract description 3
- 239000002912 waste gas Substances 0.000 abstract description 3
- 239000002351 wastewater Substances 0.000 abstract description 3
- 239000000049 pigment Substances 0.000 description 18
- 238000000576 coating method Methods 0.000 description 15
- 239000011248 coating agent Substances 0.000 description 11
- 239000000047 product Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 150000002924 oxiranes Chemical class 0.000 description 6
- 238000009835 boiling Methods 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 238000010792 warming Methods 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000012752 auxiliary agent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-N alpha-methacrylic acid Natural products CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 125000005442 diisocyanate group Chemical group 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000012860 organic pigment Substances 0.000 description 3
- 230000010148 water-pollination Effects 0.000 description 3
- QQZOPKMRPOGIEB-UHFFFAOYSA-N 2-Oxohexane Chemical compound CCCCC(C)=O QQZOPKMRPOGIEB-UHFFFAOYSA-N 0.000 description 2
- 239000004606 Fillers/Extenders Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 125000001165 hydrophobic group Chemical group 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- LZDDXRWBWZUFHD-ODZAUARKSA-N (z)-but-2-enedioic acid;2-methylprop-1-ene Chemical compound CC(C)=C.OC(=O)\C=C/C(O)=O LZDDXRWBWZUFHD-ODZAUARKSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- JPAOMENBKRZQDR-UHFFFAOYSA-N CC=CC.[Na] Chemical compound CC=CC.[Na] JPAOMENBKRZQDR-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- AWMVMTVKBNGEAK-UHFFFAOYSA-N Styrene oxide Chemical compound C1OC1C1=CC=CC=C1 AWMVMTVKBNGEAK-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- 238000004176 ammonification Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- MGNCLNQXLYJVJD-UHFFFAOYSA-N cyanuric chloride Chemical compound ClC1=NC(Cl)=NC(Cl)=N1 MGNCLNQXLYJVJD-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- HFZJJYMUYMELBR-UHFFFAOYSA-N ethenyl acetate;2-hydroxypropane-1,2,3-tricarboxylic acid Chemical compound CC(=O)OC=C.OC(=O)CC(O)(C(O)=O)CC(O)=O HFZJJYMUYMELBR-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 150000002829 nitrogen Chemical class 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 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 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920005996 polystyrene-poly(ethylene-butylene)-polystyrene Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Chemical class 0.000 description 1
- 239000001267 polyvinylpyrrolidone Chemical class 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
- C08G77/46—Block-or graft-polymers containing polysiloxane sequences containing polyether sequences
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Paints Or Removers (AREA)
Abstract
It is after epoxy-terminated silicone oil and single-ended amino-polyether are mixed by ratio 1:1.1 ~ 1.1:1 of the amount of substance, to be reacted obtained by 2-6 hours at a temperature of 80 DEG C -140 DEG C the present invention relates to a kind of organic silicon resin-based Non-ionic dispersant and preparation method thereof.The hydrophobic parts of the organic silicon resin-based Non-ionic dispersant are organic siliconresins, hydrophilic segment is water paint prepared by the dispersing agent of single-ended amino polyoxyethylene ether or single-ended amino polyoxyethylene poly-oxygen propylene aether the application, and solid content is high, good fluidity, stability is high, bright-colored；Reaction can carry out at a lower temperature, discharge substantially without waste water and gas.
Description
Technical field
The invention belongs to fluorescent organic pigments, coating, aqueous color paste field, it is related to a kind of hyper-dispersant and its preparation side
Method.
Technical background
Coating refers to be coated in body surface with specific construction method after, it is cured be formed in body surface it is certain strong
The continuous protective film of degree, or it is formed with a kind of fine chemical product of certain specific function film.
Coating is generally made of film forming matter, solvent, pigment and auxiliary agent.Film forming matter is also known as base-material, is to keep coating secured
It is attached to the main matter that continuous film is formed on coated body surface；Solvent is volatile ingredient, mainly have organic solvent and
Water；Pigment is dispersed in the insoluble fine particle in paint vehicle, can be divided into coloring pigment and extender pigment, be mainly used for
Color provides protection, decorates and reduce cost；Auxiliary agent share very little shared in formulation for coating material, but play a key role.
Storage, construction, film forming and the tolerance performance of auxiliary agent coating suffer from most important effect.There is common auxiliary agent in coating: levelling
Agent, thickener, surfactant, pigment dispersing agent, plasticizer, drier, curing agent and fungicide, mould inhibitor etc..
Pigment dispersing agent also becomes wetting dispersing agent, and common pigment dispersing agent mainly has inorganic, surfactant-based
And high score subclass, effect preferably high score subclass, therefore high score subclass dispersing agent is also commonly referred to as hyper-dispersant.High score subclass includes
Natural polymer is mainly used for solvent reducible coatings；Synthesis macromolecule have polycarboxylate, polyacrylate, poly-methyl acrylate,
Maleic acid-isobutene (or styrene) copolymer salt, polyvinylpyrrolidone, polyether derivative etc..
Described in patent CN 201810525247.3 a kind of polyurethane non-ionic water coating hyper-dispersant and its
Preparation method, preparation method include: that Cyanuric Chloride is first reacted with monoalkyl polyoxyethylene ethers, and then dihydric alcohol or alcohol ammonification are closed
Object reaction, produces the binary alcohol intermediate containing polyoxyethylene groups, this last binary alcohol intermediate and diisocyanate, binary are refined
It closes object and reacts production polyurethane hyper-dispersant in a solvent；Described in patent CN201110235613X a kind of dispersing agent and
Preparation method, method are to obtain intermediate product using ring-opening polymerisation under the action of sodium alkoxide of anacardol and styrene oxide
Same ethylene oxide polymerization again afterwards, has prepared a kind of pigment hyper-dispersant；Patent CN2012105602412 discloses a kind of water
Property pigment dispersing agent, the further polycondensation based on the product that malic acid is reacted with polyethylene oxide and obtain.Patent
CN2007100241525 describes one kind using methyl n-butyl ketone as solvent, is with all kinds of diisocyanate, branched polyester and polyethers
The hyperbranched non-ionic water dispersing agent of raw material；Patent CN2005800303658 describes a kind of with itaconic acid, the polyoxy of citric acid
Vinyl acetate and (methyl) acrylic acid are raw material, and by the dispersing agent of free-radical polymerized preparation, but this dispersing agent is used primarily in
Cement dispersion and cement water reducing agent field；Patent CN2007100241525 describes a kind of hyperbranched non-ionic dispersing agent
Preparation method, raw materials are hyper-branched polyester, diisocyanate cpd and polyethers etc..
CN201080054508 describes a kind of preparation method of cation-type water-thinned coating dispersant, and specific method is
It is made by polyacrylic-maleic copolymer and hydrophily primary amine reaction；CN201110119702.8, which is reported, a kind of utilizes third
The water that the monomers such as olefin(e) acid, methacrylic acid and methylpropene sodium sulfonate, 2- acrylamide-2-methyl propane sulfonic are copolymerized
Property coating dispersion preparation method；CN2007800190165 reports a kind of various unsaturated monomers of utilization, such as: maleic acid is poly-
Ether monoesters, acrylic acid, maleic anhydride etc. carry out a kind of free-radical polymerized obtained aqueous coating dispersant of nonionic.Patent
201511016207.9 describe it is a kind of utilize water-based pigment colour paste prepared by epoxy resin, alkyl alcoholamine and phosphorus oxychloride use
Hyper-dispersant.
Organic siliconresin has good chemical stability, insulating properties, and hydrophobic performance is good.Silicon oxygen bond is connected as hydrophobic
Base has good adsorptivity, compatibility to the low poles substance such as fabric, organic pigment.Hydrophily is introduced in organosilicon
Segment or functional group are copolymerized, and hydrophilic silicon oil can be prepared, and are commonly used in weaving as softening agent.If hydrophilic
Property group introduce in the side of siloxanes segment, then can prepare organic silicon resin-based hyper-dispersant.
Summary of the invention
For overcome the deficiencies in the prior art, it uses and surpasses the object of the present invention is to provide a kind of organic siliconresin based waterborne coatings
Dispersing agent, using water paint prepared by this organic silicon resin-based hyper-dispersant, solid content is high, good fluidity, and stability is high,
It is bright-colored.
It is another object of the present invention to provide a kind of preparation sides of organic siliconresin based waterborne coatings hyper-dispersant
Method, products material is cheap and easily-available, and preparation process is simple, can carry out at a lower temperature, no waste water and gas discharge.
In order to achieve the above-mentioned object of the invention, the invention adopts the following technical scheme:
A kind of preparation method of organic siliconresin based waterborne coatings hyper-dispersant, with epoxy-terminated silicone oil and single-ended amino
Polyoxyethylene ether (H2It N-PEO) is raw material.
Epoxy-terminated silicone oil is the linear polydimethylsiloxane- (shown in structure formula (I)) that epoxy-functional is contained at both ends,
Molecular weight is 2000,3000,4000,5000,6000,7000,8000,9000,12000.
Since epoxy-terminated silicone oil contains active epoxy group, therefore the reactivity for being often designed as organic resin is modified
Agent, while being also important the intermediate feed of block polymer.
Single-ended amino polyoxyethylene ether or single-ended amino polyoxyethylene poly-oxygen propylene aether, such as Huntsman CorporationM-600, M-1000, M-2005, M-2070 series, are commonly used in textile auxiliary, organic-silicon-modified field (structural formula
(II) shown in).
Specifically, being by straight chain both-end epoxy group silicone oil and single-ended amino polyoxyethylene ether or single-ended amino polyoxyethylene
Polyethenoxy ether directly heats reaction and is made, and the ratio of the amount of the substance of the two is 1:1.1~1.1:1, reaction temperature 80-140
DEG C, reaction time 2-6 hour.
Process route is as follows:
Beneficial effects of the present invention are as follows:
(1), using organic siliconresin as hydrophobic parts, the silicon oxygen bond in resin can be mentioned hyper-dispersant of the invention
For enough " anchor point " in conjunction with granules of pigments, meanwhile, organic siliconresin has the low poles substance such as fabric, organic pigment
Good adsorptivity, compatibility, chemical stability and flexibility.
(2), organic siliconresin and the reaction of amino-polyether compound, improve the hydrophily and hydration capability of macromolecular, as
Water soluble group.
(3), water paint prepared by the dispersing agent using the application, solid content is high, good fluidity, and stability is high, face
Color is bright-coloured；Reaction can carry out at a lower temperature, discharge substantially without waste water and gas.
Specific embodiment
The following examples are further illustrations of the invention, but the present invention is not limited thereto.
Embodiment 1
By 10g both-end epoxy group silicone oil (molecular weight 2000, epoxide number 0.09~0.10, the production of Jiaxing Unichem)
With mono amino polyethers 3g (M-600, molecular weight 600, Huntsman Corporation) it is packed into four-hole boiling flask, 80 DEG C are warming up to, instead
It answers 2 hours.Discharge to obtain product after completion of the reaction.
Embodiment 2
By 40g both-end epoxy group silicone oil (molecular weight 4000, epoxide number 0.048~0.052, Dow Corning Corporation's production) and list
Amino-polyether 22g (M-2070, molecular weight 2000, Huntsman Corporation) it is packed into four-hole boiling flask, 140 DEG C are warming up to, instead
It answers 3 hours.Discharge to obtain product after completion of the reaction.
Embodiment 3
By 60g both-end epoxy group silicone oil (molecular weight 6000, epoxide number 0.03~0.032, Dow Corning Corporation's production) and list
Amino-polyether 18.2g (M-2070, molecular weight 2000, Huntsman Corporation) it is packed into four-hole boiling flask, 140 DEG C are warming up to,
Reaction 6 hours.Discharge to obtain product after completion of the reaction.
Embodiment 4
By 200g both-end epoxy group silicone oil, (molecular weight 2000, epoxide number epoxide number 0.09~0.10, Dow Corning Corporation are raw
Produce) and mono amino Polyether 220 g (M-2070, molecular weight 2000, Huntsman Corporation) it is packed into four-hole boiling flask, it is warming up to
It 130 DEG C, reacts 6 hours.Discharge to obtain product after completion of the reaction.
Embodiment 5
By 200g both-end epoxy group silicone oil, (molecular weight 2000, epoxide number 0.09~0.10, Jiaxing Unichem are raw
Produce) and mono amino polyethers 90g (M-1000, molecular weight 1000, Huntsman Corporation) it is packed into four-hole boiling flask, it is warming up to
It 110 DEG C, reacts 2 hours.Discharge to obtain product after completion of the reaction.
6 performance detection of embodiment
Performance detection is according to " the dispersing method the 2nd of GB/T 21868.2-2008 pigment and extender pigment evaluation dispersibility
Part: with the dispersion of oscillation mill " carries out.Test result is as follows:
Table 1. is placed at room temperature for system viscosity (mPa.s) after a week
Table 2. is placed at room temperature for pigment average grain diameter (nm) in system after a week
Non-ionic dispersing agent of the organosilan as hydrophobic group it can be seen from Tables 1 and 2, to titanium dioxide, carbon black and phthalein
Cyanines class pigment dispersion is especially good.This is because silicon oxygen bond and titanium dioxide, carbon black and phthalocyanine in polysiloxane hydrophobic base
Hydrogenbond between class pigment is than stronger, and dispersing agent is difficult to split away off from pigment, therefore dispersion performance is preferable.And antithesis
Nitrogen class pigment, organosilan also have preferable effect as the non-ionic dispersing agent of hydrophobic group, are placed at room temperature for after a week, and viscosity is still
So only 25mPas or so, average grain diameter is both less than 700nm.
The above-mentioned specific embodiment technical solution that the invention is not limited in any way, it is all to use equivalent replacement or wait
The mode technical solution obtained of effect transformation all falls within protection scope of the present invention.
Claims (4)
1. a kind of organic silicon resin-based Non-ionic dispersant, it is characterized in that hydrophobic parts are organic siliconresin, hydrophilic portion
Dividing is single-ended amino polyoxyethylene ether or single-ended amino polyoxyethylene poly-oxygen propylene aether, and the two molar ratio is 1:1.1 ~ 1.1:1.
2. a kind of preparation method of organic silicon resin-based Non-ionic dispersant, characterized in that by straight chain both-end epoxy group silicon
Oily directly heat with single-ended amino polyoxyethylene ether or single-ended amino polyoxyethylene poly-oxygen propylene aether reacts obtained, the substance of the two
Amount ratio be 1:1.1 ~ 1.1:1, reaction temperature be 80-140 DEG C, reaction time 2-6 hour.
3. the preparation method of organic silicon resin-based Non-ionic dispersant as claimed in claim 2, characterized in that the end ring
Oxygroup silicone oil be straight chain both-end epoxy group silicone oil, molecular weight 2000,3000,4000,5000,6000,7000,8000,9000,
12000。
4. the preparation method of organic silicon resin-based Non-ionic dispersant as claimed in claim 2, characterized in that the list
Amine terminated polyether be single-ended amino polyoxyethylene ether or single-ended amino polyoxyethylene poly-oxygen propylene aether, molecular weight 500,600,
800,1000,1200,1500,2000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910465932.6A CN110229341A (en) | 2019-05-31 | 2019-05-31 | A kind of organic silicon resin-based Non-ionic dispersant and preparation method thereof |
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Cited By (3)
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| CN111019082A (en) * | 2019-12-16 | 2020-04-17 | 东南大学 | Nonionic photo-curing polyurethane aqueous dispersion resin composition with excellent compatibility and preparation method and application thereof |
| CN111234202A (en) * | 2020-02-27 | 2020-06-05 | 中科院广州化学有限公司 | Solvent-free high-nitrogen-content polycarboxyl type hyperdispersant as well as preparation method and application thereof |
| CN117720733A (en) * | 2023-12-18 | 2024-03-19 | 江南大学 | A kind of quaternary ammonium aminopolyether modified silicone oil and its solvent-free synthesis method |
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| CN111019082A (en) * | 2019-12-16 | 2020-04-17 | 东南大学 | Nonionic photo-curing polyurethane aqueous dispersion resin composition with excellent compatibility and preparation method and application thereof |
| CN111234202A (en) * | 2020-02-27 | 2020-06-05 | 中科院广州化学有限公司 | Solvent-free high-nitrogen-content polycarboxyl type hyperdispersant as well as preparation method and application thereof |
| CN117720733A (en) * | 2023-12-18 | 2024-03-19 | 江南大学 | A kind of quaternary ammonium aminopolyether modified silicone oil and its solvent-free synthesis method |
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