CN109111559A - Aqueous polyketone resin lotion and its preparation method and application - Google Patents
Aqueous polyketone resin lotion and its preparation method and application Download PDFInfo
- Publication number
- CN109111559A CN109111559A CN201810827027.6A CN201810827027A CN109111559A CN 109111559 A CN109111559 A CN 109111559A CN 201810827027 A CN201810827027 A CN 201810827027A CN 109111559 A CN109111559 A CN 109111559A
- Authority
- CN
- China
- Prior art keywords
- polyketone resin
- aqueous
- preparation
- resin lotion
- catalyst
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- Pending
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- 239000011347 resin Substances 0.000 title claims abstract description 52
- 229920005989 resin Polymers 0.000 title claims abstract description 52
- 229920001470 polyketone Polymers 0.000 title claims abstract description 49
- 239000006210 lotion Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002904 solvent Substances 0.000 claims abstract description 16
- 239000003054 catalyst Substances 0.000 claims abstract description 12
- 150000002576 ketones Chemical class 0.000 claims abstract description 12
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 10
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 10
- 239000003112 inhibitor Substances 0.000 claims abstract description 9
- 239000000178 monomer Substances 0.000 claims abstract description 7
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000006837 decompression Effects 0.000 claims abstract description 3
- 238000004945 emulsification Methods 0.000 claims abstract description 3
- 238000010792 warming Methods 0.000 claims description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- -1 sodium sulfonate diamines Chemical class 0.000 claims description 5
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 claims description 5
- 239000012948 isocyanate Substances 0.000 claims description 4
- 239000011734 sodium Substances 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 3
- 239000000243 solution Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- DQFBYFPFKXHELB-UHFFFAOYSA-N Chalcone Natural products C=1C=CC=CC=1C(=O)C=CC1=CC=CC=C1 DQFBYFPFKXHELB-UHFFFAOYSA-N 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 229910052797 bismuth Inorganic materials 0.000 claims description 2
- 235000005513 chalcones Nutrition 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 claims description 2
- 150000002513 isocyanates Chemical class 0.000 claims description 2
- 229960002725 isoflurane Drugs 0.000 claims description 2
- IOQPZZOEVPZRBK-UHFFFAOYSA-N octan-1-amine Chemical group CCCCCCCCN IOQPZZOEVPZRBK-UHFFFAOYSA-N 0.000 claims description 2
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical class NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 claims description 2
- 238000005292 vacuum distillation Methods 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 150000004985 diamines Chemical class 0.000 claims 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-M sulfamate Chemical compound NS([O-])(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-M 0.000 claims 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 5
- 238000000576 coating method Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 239000003960 organic solvent Substances 0.000 abstract description 4
- 238000004806 packaging method and process Methods 0.000 abstract description 4
- 239000002360 explosive Substances 0.000 abstract description 2
- 235000013305 food Nutrition 0.000 abstract description 2
- 231100000734 genotoxic potential Toxicity 0.000 abstract description 2
- 235000021485 packed food Nutrition 0.000 abstract description 2
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- 239000003973 paint Substances 0.000 description 4
- 239000005058 Isophorone diisocyanate Substances 0.000 description 3
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- VRRABDXZDGRGPC-UHFFFAOYSA-M sodium;2-(2-aminoethylamino)ethanesulfonate Chemical compound [Na+].NCCNCCS([O-])(=O)=O VRRABDXZDGRGPC-UHFFFAOYSA-M 0.000 description 1
- 230000009466 transformation Effects 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
-
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The present invention relates to a kind of aqueous polyketone resin lotions and its preparation method and application, belong to polyketone resin technical field.By polyketone resin, isocyanate-monomer, catalyst, monoamine polymerization inhibitor, sulfamic acid saline solution, ketones solvent and water, aggregated, chain extension, emulsification, decompression are made except solvent the aqueous polyketone resin lotion.Aqueous polyketone resin lotion produced by the present invention can prepare water-based ink and coating, wherein being free of organic solvent, to environment and human body close friend, and reduce security risk inflammable and explosive present in transport and use process；In addition, aqueous polyketone resin lotion produced by the present invention not only can give packaged food bring genotoxic potential when preparing aqueous food packaging ink to avoid organic solvent residual, presswork environment is further improved, realization cleans packaging.
Description
Technical field
The invention belongs to polyketone resin technical fields, and in particular to a kind of aqueous polyketone resin lotion and preparation method thereof and
Using.
Background technique
Polyketone resin, also known as aldehyde ketone resin generally refer to the polymerization generated by ketone and aldehyde compound through polycondensation reaction
Object, it is good that the carbonyl and terminal hydroxy group contained in non-modified polyketone resin molecule has it with numerous paint and resin for printing ink
Good compatibility, meanwhile, polyketone resin has good dissolubility, dissolves in most of organic solvents, and it is not soluble in water, in non-pole
Solubility is also smaller in the solvent of property, is widely used in coating and ink.
Recently as the fast development of coating and ink, the demand of polyketone resin is also more and more big.And with people
The gradually reinforcement of environmental consciousness, so that the use of traditional solvent type coating and ink is restricted, water paint and aqueous oil
Ink takes water as a solvent, and safe and non-toxic, and usage amount also rises year by year, and therefore, aqueous polyketone resin lotion is also ground as scholar
The hot spot studied carefully.
Research of the country in relation to aqueous polyketone resin lotion is very few at present, preparation method also less disclosure, and aqueous gathers
Ketone resin lotion can be widely used in water paint/ink, and application prospect is splendid, therefore to aqueous polyketone resin lotion
Preparation method is studied, and is just particularly important.
Summary of the invention
A kind of aqueous polyketone resin lotion and its preparation side are provided the purpose of the present invention is overcome the deficiencies in the prior art
Method and application, the aqueous polyketone resin lotion is environment-protecting and non-poisonous, has good compatibility in water paint and ink, has wide
Wealthy application prospect.
The present invention adopts the following technical scheme:
The preparation method of aqueous polyketone resin lotion, by polyketone resin, isocyanate-monomer, catalyst, monoamine polymerization inhibitor, ammonia
Base sulfonic acid saline solution, ketones solvent and water, aggregated, chain extension, emulsification, decompression except solvent be made.
Further, the preparation method of the aqueous polyketone resin lotion, it is specific as follows: polyketone resin addition is stirred
In the ketones solvent mixed, 75-85 DEG C is warming up to until polyketone resin all dissolutions, are cooled to 45-55 DEG C, isocyanates list is added
Body and catalyst are warming up to 75-85 DEG C, react 2.5-3.5h, survey NCO group mass percentage, are cooled to 35-45 DEG C, according to
Secondary addition ketones solvent, monoamine polymerization inhibitor, sulfamic acid saline solution react 25-30min, and water is added, and emulsify 55-
65min, vacuum distillation remove ketones solvent, obtain the aqueous polyketone resin lotion.
Further, the polyketone resin, isocyanate-monomer, catalyst, monoamine polymerization inhibitor, sulfamic acid salt water
Solution, water mass ratio be 15-20:10-15:0.01-0.02:0.1-0.3:6-10:35-45.
Further, the polyketone resin is that softening point is 115-125 DEG C, hydroxyl value is (220-270) mgKOH/g
Granular polyketone resin.
Further, the isocyanate-monomer is isoflurane chalcone diisocyanate (IPDI), 4.4 '-dicyclohexyl first
One of alkane diisocyanate (HMDI) or toluene di-isocyanate(TDI) (TDI).
Further, the catalyst is that dibutyl tin dilaurate (T-12), stannous octoate (T-9) or organo-bismuth are urged
One of agent.
Further, the monoamine polymerization inhibitor is n-octyl amine or di-iso-butylmanice.
Further, the sulfamic acid saline solution is sodium sulfonate diamines (PPS) aqueous solution or sodium sulfonate diamines AAS
Aqueous solution (i.e. N-(2- amino-ethyl) -2- aminoethane sulphonic acid sodium-salt aqueous solution).
Further, the mass concentration of the sulfamic acid saline solution is 90% or 50%.
Compared with the prior art, the present invention has the following beneficial effects:
First: aqueous polyketone resin lotion produced by the present invention can prepare water-based ink and coating, wherein organic solvent is free of,
To environment and human body close friend, and reduce security risk inflammable and explosive present in transport and use process；
Second: aqueous polyketone resin lotion produced by the present invention, not only can be to avoid having when preparing aqueous food packaging ink
Solvent, which remains, gives packaged food bring genotoxic potential, further improves presswork environment, and realization cleans packaging.
Specific embodiment
Below by specific embodiment, invention is further described in detail, but those skilled in the art will manage
Solution, the following example is merely to illustrate the present invention, and should not be taken as limiting the scope of the invention.
Embodiment 1
It takes the anhydrous butanone of 100g to be added in three-necked flask, 100g polyketone resin (hydroxyl value 220mgKOH/g) is added while stirring,
80 DEG C are warming up to, until particle all dissolves, 50 DEG C is cooled to, IPDI 69.8g, T-9 catalyst 0.085g is added, is warming up to
80 DEG C are reacted 3 hours, are surveyed NCO group mass percentage and are reached 4%, are cooled to 40 DEG C, it is just pungent to sequentially add 45g acetone, 1.5g
The AAS saline solution that amine and 42g mass concentration are 50%, reacts 30min, and 192.3g pure water is added, and emulsifies 60min, then subtracts
Butanone, acetone is distilled off in pressure, and the translucent aqueous polyketone lotion that solid content is 50% is made.
Embodiment 2
It takes the anhydrous butanone of 100g to be added in three-necked flask, 100g polyketone resin (hydroxyl value: 270mgKOH/g) is added while stirring,
80 DEG C of heating is cooled to 50 DEG C of addition IPDI 69.5g, T-9 catalyst 0.085g, is warming up to 80 DEG C until particle all dissolves
Reaction 3 hours, survey NCO mass percentage reach 2.5%, be cooled to 40 DEG C, sequentially add 75g acetone, 0.9g di-iso-butylmanice,
The PPS saline solution that 38.9g mass concentration is 90% reacts 30min, and 205.4g pure water is added, and emulsifies 60min, then depressurizes
Butanone, acetone is distilled off, the aqueous polyketone resin lotion with blue light that solid content is 50% is made.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, and protection scope is unlimited
In this.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in protection of the invention
Within the scope of, protection scope of the present invention is subject to claims.
Claims (9)
1. the preparation method of aqueous polyketone resin lotion, which is characterized in that by polyketone resin, isocyanate-monomer, catalyst, list
Amine polymerization inhibitor, sulfamic acid saline solution, ketones solvent and water, aggregated, chain extension, emulsification, decompression except solvent be made.
2. the preparation method of aqueous polyketone resin lotion according to claim 1, which is characterized in that specific as follows: will to gather
Ketone resin is added in the ketones solvent of stirring, is warming up to 75-85 DEG C until polyketone resin all dissolutions, are cooled to 45-55 DEG C, add
Enter isocyanate-monomer and catalyst, be warming up to 75-85 DEG C, react 2.5-3.5h, surveys NCO group mass percentage, cooling
To 35-45 DEG C, ketones solvent, monoamine polymerization inhibitor, sulfamic acid saline solution are sequentially added, reacts 25-30min, water is added,
55-65min is emulsified, vacuum distillation removes ketones solvent, obtains the aqueous polyketone resin lotion.
3. the preparation method of aqueous polyketone resin lotion according to claim 1, which is characterized in that the polyketone resin,
Isocyanate-monomer, catalyst, monoamine polymerization inhibitor, sulfamic acid saline solution, water mass ratio be 15-20:10-15:
0.01-0.02:0.1-0.3:6-10:35-45.
4. the preparation method of aqueous polyketone resin lotion according to claim 1, which is characterized in that the polyketone resin is
The graininess polyketone resin that softening point is 115-125 DEG C, hydroxyl value is (220-270) mgKOH/g.
5. the preparation method of aqueous polyketone resin lotion according to claim 1, which is characterized in that the isocyanates list
Body is one of isoflurane chalcone diisocyanate, 4.4 '-dicyclohexyl methyl hydride diisocyanates or toluene di-isocyanate(TDI).
6. the preparation method of aqueous polyketone resin lotion according to claim 1, which is characterized in that the catalyst is two
One of dibutyl tin laurate, stannous octoate or organic bismuth catalyst.
7. the preparation method of aqueous polyketone resin lotion according to claim 1, which is characterized in that the monoamine polymerization inhibitor
Agent is n-octyl amine or di-iso-butylmanice.
8. the preparation method of aqueous polyketone resin lotion according to claim 1, which is characterized in that the sulfamate
Aqueous solution is sodium sulfonate diamines PPS aqueous solution or sodium sulfonate diamines AAS aqueous solution.
9. according to the preparation method of aqueous polyketone resin lotion according to any one of claims 8, which is characterized in that the sulfamic acid salt water
The mass concentration of solution is 90% or 50%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810827027.6A CN109111559A (en) | 2018-07-25 | 2018-07-25 | Aqueous polyketone resin lotion and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810827027.6A CN109111559A (en) | 2018-07-25 | 2018-07-25 | Aqueous polyketone resin lotion and its preparation method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109111559A true CN109111559A (en) | 2019-01-01 |
Family
ID=64863232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810827027.6A Pending CN109111559A (en) | 2018-07-25 | 2018-07-25 | Aqueous polyketone resin lotion and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109111559A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114149556A (en) * | 2021-11-18 | 2022-03-08 | 南雄西顿化工有限公司 | Aldehyde ketone modified self-extinction aqueous polyurethane dispersion and preparation method thereof |
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| US6316539B1 (en) * | 1999-06-21 | 2001-11-13 | Vianova Resins Ag | Water dilutable resin, a process for their production and application thereof |
| CN1918206A (en) * | 2004-07-15 | 2007-02-21 | 德古萨公司 | Functionalized Aqueous Resin |
| CN1942549A (en) * | 2005-03-10 | 2007-04-04 | 德古萨公司 | Coating agent aqueous compositions for flexible backgrounds |
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| CN105348485A (en) * | 2015-11-26 | 2016-02-24 | 华南理工大学 | Ketone-aldehyde resin/hydrophilic polyether mixed and modified water dispersive type polyisocyanate curing agent, preparation method and application thereof |
| CN107814905A (en) * | 2017-11-21 | 2018-03-20 | 鹤山市河本聚脂化工有限公司 | A kind of solvent-free self-crosslinking modified aqueous polyurethane resin for woodcare paint |
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2018
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| US6316539B1 (en) * | 1999-06-21 | 2001-11-13 | Vianova Resins Ag | Water dilutable resin, a process for their production and application thereof |
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| US20080020331A1 (en) * | 2005-06-24 | 2008-01-24 | Baird David G | Direct thermographic materials with crosslinked carrier layer |
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| CN107814905A (en) * | 2017-11-21 | 2018-03-20 | 鹤山市河本聚脂化工有限公司 | A kind of solvent-free self-crosslinking modified aqueous polyurethane resin for woodcare paint |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114149556A (en) * | 2021-11-18 | 2022-03-08 | 南雄西顿化工有限公司 | Aldehyde ketone modified self-extinction aqueous polyurethane dispersion and preparation method thereof |
| CN114149556B (en) * | 2021-11-18 | 2023-10-27 | 广东西顿新材料科技有限公司 | Aldehyde ketone modified self-extinction aqueous polyurethane dispersion and preparation method thereof |
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