CN109762458A - A kind of high solvent resistant polyurethane cathode electrophoresis dope of aqueous high rigidity and preparation method thereof - Google Patents
A kind of high solvent resistant polyurethane cathode electrophoresis dope of aqueous high rigidity and preparation method thereof Download PDFInfo
- Publication number
- CN109762458A CN109762458A CN201811621662.5A CN201811621662A CN109762458A CN 109762458 A CN109762458 A CN 109762458A CN 201811621662 A CN201811621662 A CN 201811621662A CN 109762458 A CN109762458 A CN 109762458A
- Authority
- CN
- China
- Prior art keywords
- hydroxyl
- polyurethane
- aqueous
- terminated polyurethane
- added
- 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.)
- Pending
Links
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 26
- 239000004814 polyurethane Substances 0.000 title claims abstract description 26
- 239000002904 solvent Substances 0.000 title claims abstract description 18
- 238000001962 electrophoresis Methods 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 229920005749 polyurethane resin Polymers 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 239000003822 epoxy resin Substances 0.000 claims abstract description 13
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 13
- 239000012948 isocyanate Substances 0.000 claims abstract description 12
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229920005862 polyol Polymers 0.000 claims abstract description 9
- 239000004094 surface-active agent Substances 0.000 claims abstract description 6
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 5
- 150000003077 polyols Chemical class 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 238000004945 emulsification Methods 0.000 claims abstract description 4
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 11
- 239000004970 Chain extender Substances 0.000 claims description 11
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 8
- 239000005058 Isophorone diisocyanate Substances 0.000 claims description 5
- 125000005442 diisocyanate group Chemical group 0.000 claims description 5
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 5
- 229920000909 polytetrahydrofuran Polymers 0.000 claims description 5
- -1 small molecule polyol Chemical class 0.000 claims description 5
- 150000002009 diols Chemical class 0.000 claims description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 4
- CRVGTESFCCXCTH-UHFFFAOYSA-N methyl diethanolamine Chemical group OCCN(C)CCO CRVGTESFCCXCTH-UHFFFAOYSA-N 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 4
- 230000018044 dehydration Effects 0.000 claims description 2
- 238000006297 dehydration reaction Methods 0.000 claims description 2
- 239000004310 lactic acid Substances 0.000 claims description 2
- 235000014655 lactic acid Nutrition 0.000 claims description 2
- 230000003472 neutralizing effect Effects 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 150000005846 sugar alcohols Polymers 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 2
- 238000007789 sealing Methods 0.000 claims 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims 1
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 150000001412 amines Chemical class 0.000 claims 1
- 229910021529 ammonia Inorganic materials 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 238000004132 cross linking Methods 0.000 claims 1
- 229960002887 deanol Drugs 0.000 claims 1
- 239000012972 dimethylethanolamine Substances 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 239000013638 trimer Substances 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 8
- 238000000576 coating method Methods 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 238000006386 neutralization reaction Methods 0.000 abstract description 4
- 239000003973 paint Substances 0.000 abstract description 4
- 239000005056 polyisocyanate Substances 0.000 abstract 1
- 229920001228 polyisocyanate Polymers 0.000 abstract 1
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- 229960000583 acetic acid Drugs 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 3
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000012362 glacial acetic acid Substances 0.000 description 3
- 239000006210 lotion Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 2
- 229940043237 diethanolamine Drugs 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- OPKOKAMJFNKNAS-UHFFFAOYSA-N N-methylethanolamine Chemical compound CNCCO OPKOKAMJFNKNAS-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001652 electrophoretic deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003694 hair properties Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011527 polyurethane coating Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
Landscapes
- Polyurethanes Or Polyureas (AREA)
Abstract
The present invention relates to a kind of aqueous high solvent resistant polyurethane cathode electric coating material of high rigidity and preparation method thereof.The coating is using oligomer polyol, polyisocyanates, epoxy resin as primary raw material, a kind of hydroxyl-terminated polyurethane resin is made by polymerization, chain extension, neutralization chemical reaction, it is mixed with the blocked isocyanate as crosslinking agent, surfactant is added, after being stirred plus aqueous polyurethane electrophoretic paint is made in water emulsification.Aqueous polyurethane produced by the present invention, which carries out electrophoresis, has good film surface performance, and epoxy resin is added and forms tridimensional network, has better hardness, water-fast, chemical-resistance than traditional cathode polyurethane electrophoretic coating.And it is pollution-free as aqueous polyurethane, have the better feature of environmental protection.
Description
Technical field
The present invention relates to a kind of aqueous high solvent resistant polyurethane cathode electric coating material of high rigidity and preparation method thereof.Specifically refer to
A kind of hydroxyl-terminated polyurethane resin is made in after chemical reaction, adds blocked isocyanate and adds water emulsification that electrophoresis painting is made
Material.
Background technique
It is a kind of important industry japanning construction method that electrophoretic deposition, which carrys out coating electrically conductive substrates,.Wherein polyurethane electrophoresis applies
For material with its good film surface performance, extensive purposes occupies important position.But since traditional polyurethane electrophoretic coating is waved
Nowadays environment environmental requirement is not achieved in hair property content of organics (VOC), and gradually the aqueous polyurethane by safer environmental protection takes
Generation.And there are hardness, water resistance, chemical-resistance are insufficient again in aqueous polyurethane coating.Because of a kind of aqueous height of the invention
The high solvent resistant polyurethane cathode electric coating material of hardness is very useful.
Summary of the invention
The purpose of the present invention is being directed to the deficiency of existing electrophoretic coating technology, a kind of high rigidity high-chemical-resistance section is provided
The aqueous polyurethane electrophoresis resin and preparation method thereof of energy environmental protection.
The present invention invents a kind of hydroxyl-terminated polyurethane resin first, it is mixed with by following raw materials according to mass percent
It forms, including oligomer polyol 8%-15%, diisocyanate 37%-46%, hydrophilic chain extender 13%-15%, chain extension
Agent 12%-14.5%, epoxy resin 5%-6%, neutralizer 7.5%-8%；The oligomer polyol is polytetrahydrofuran two
Alcohol 1000；The diisocyanate is isophorone diisocyanate；The hydrophilic chain extender is N methyldiethanol amine, two
One of methylethanolamine, diethanol amine are a variety of；The chain extender is small molecule polyol.
The small molecule polyol is 1,4- butanediol.The epoxy resin be one of E20, E12 epoxy resin or
It is a variety of.The neutralizer is acetic acid or lactic acid.
On the basis of hydroxyl-terminated polyurethane resin of the present invention, it is poly- that the present invention invents a kind of high solvent resistant of aqueous high rigidity again
Urethane cathode electrophoresis dope, it is mixed with by following raw materials according to mass percent: hydroxyl-terminated polyurethane: 25-30%,
Blocked isocyanate crosslinking agent: 6-8%, surfactant: 2-3%, surplus are water.
Invent a kind of high solvent resistant polyurethane cathode electrophoresis dope of aqueous high rigidity the preparation method comprises the following steps: (1) first will be low
Polymers polyalcohol is carried out dehydrating, and temperature is 90 DEG C -95 DEG C, is vacuumized and is carried out dehydration 0.5-1 hours.
(2) diisocyanate is added dropwise into step (1) and carries out polymerization reaction, reaction temperature is controlled at 60-80 DEG C, reaction
Between be 2-3 hours.
(3) in the presence of a solvent, hydrophilic chain extender is added dropwise into step (2), reaction temperature is controlled in 30-40
DEG C, the reaction time is 3-4 hours.
(4) in the presence of a solvent, chain extender is added into step (3) and epoxy resin carries out chain extending reaction, instead
Answer temperature control at 60-80 DEG C, the reaction time is 2-3 hours.
(5) neutralizer is added in (4), carries out neutralizing the obtained hydroxyl-terminated polyurethane of salt-forming reaction.
(6) hydroxyl-terminated polyurethane resin and blocked isocyanate are mixed and added into surfactant and stir evenly, terminal hydroxy group
Polyurethane: 25-30%, blocked isocyanate crosslinking agent: 6-8%, finally plus the high solvent resistant of aqueous high rigidity is made in water emulsification
Polyurethane cathode electrophoretic paint.
Waterborne polyurethane resin of the invention refers to a kind of terminal hydroxy group cathode polyurethane resin, and epoxy resin is added and forms three
Tie up reticular structure, a kind of aqueous high solvent resistant polyurethane cathode electrophoresis dope of high rigidity thus prepared have good hardness and
Water resistance chemical resistance, stronger flexibility and absorption binding force, safety and environmental protection.Hardness can reach 4H, and conventional urethane is electric
Swimming paint hardness is only 3H.Resistant to acetone wiping can reach 300 times or more, and acidproof 30 hours or more, therefore chemical-resistance is excellent.
Specific embodiment
Below in conjunction with specific embodiment, the invention will be further described:
Embodiment 1, hydroxyl-terminated polyurethane resin preparation:
1. taking 35g polytetrahydrofuran diol 1000 to vacuumize at 90 DEG C and reacting 0.5 hour requires vacuum degree to be at least up to
To -0.09MPa.
2. temperature is reduced to 70 DEG C, 155g IPDI is added in constant pressure funnel, is slowly added dropwise into flask, after dripping
Continue heat preservation to 2 hours.
3. 40g methyl diethanolamine and 30g Isosorbide-5-Nitrae-dioxane are uniformly mixed, temperature is down to 50 DEG C hereinafter, slowly dripping
It adds in flask, reacts 30 minutes, add 150g Isosorbide-5-Nitrae-dioxane, keep the temperature 1.5 hours.
4. raising the temperature to 70 DEG C, 1 hour of 18g epoxy resin reaction is added and adds 40g 1,4-butanediol and 80g
Isosorbide-5-Nitrae-dioxane mixed liquor reacts and keeps the temperature 2 hours.
5. by temperature be reduced to 40 DEG C hereinafter, plus the mixed liquor of 21g glacial acetic acid and 40g ethylene glycol ethyl ether neutralization reaction is added dropwise
1h discharging, can obtain hydroxyl-terminated polyurethane resin.
Embodiment 2, the preparation of the aqueous high solvent resistant polyurethane cathode electrodip painting of high rigidity:
1. taking 130g hydroxyl-terminated polyurethane resin in flask, and 3g propylene glycol monomethyl ether 30g blocked isocyanate is added
Curing agent stirs 1h.
2. taking 280g deionized water in constant pressure funnel, start to be slowly added dropwise into flask, to be emulsified open can accelerate to be added dropwise
Speed continues stirring to 1.5h after dripping.
3. a lotion is poured into measuring cup, re-pack, and first at 80 DEG C after preliminary drying half an hour, then is warming up at 60V/30s
Film surface is observed after toasting half an hour at 150 DEG C.
Embodiment 3:
1. taking 30g polytetrahydrofuran diol 1000 to vacuumize at 90 DEG C and reacting 0.5 hour requires vacuum degree to be at least up to
To -0.09MPa.
2. temperature is reduced to 70 DEG C, 140g IPDI is added in constant pressure funnel, is slowly added dropwise into flask, after dripping
Continue heat preservation to 2 hours.
3. 40g methyl diethanolamine and 30g acetone are uniformly mixed, temperature is down to 50 DEG C hereinafter, being slowly added dropwise to flask
In, it reacts 30 minutes, adds 150g acetone, keep the temperature 1.5 hours.
4. raising the temperature to 70 DEG C, 1 hour of 18g epoxy resin reaction is added and adds 40g 1,4-butanediol and 80g
Isosorbide-5-Nitrae-dioxane mixed liquor reacts and keeps the temperature 2 hours.
5. by temperature be reduced to 40 DEG C hereinafter, plus the mixed liquor of 21g glacial acetic acid and 40g ethylene glycol ethyl ether neutralization reaction is added dropwise
1h discharging, can obtain hydroxyl-terminated polyurethane resin.
Embodiment 4:
Take 130g hydroxyl-terminated polyurethane resin in flask, and it is solid that 3g propylene glycol monomethyl ether 40g blocked isocyanate is added
Agent stirs 1h.It takes 300g deionized water in constant pressure funnel, starts to be slowly added dropwise into flask, to be emulsified open can accelerate to be added dropwise
Speed continues stirring to 1.5h after dripping.Lotion is poured into measuring cup, is re-packed at 60V/30s, and the first preliminary drying at 80 DEG C
After half an hour, then it is warming up at 150 DEG C and observes film surface after baking half an hour.
Embodiment 5:
1. taking 40g polytetrahydrofuran diol 1000 to vacuumize at 90 DEG C and reacting 0.5 hour requires vacuum degree to be at least up to
To -0.09MPa.
2. temperature is reduced to 70 DEG C, 150g IPDI is added in constant pressure funnel, is slowly added dropwise into flask, after dripping
Continue heat preservation to 2 hours.
3. 45g diethanol amine and 30g Isosorbide-5-Nitrae-dioxane are uniformly mixed, temperature be down to 50 DEG C hereinafter, be slowly added dropwise to
It in flask, reacts 30 minutes, adds 150g Isosorbide-5-Nitrae-dioxane, keep the temperature 1.5 hours.
4. raising the temperature to 70 DEG C, 1 hour of 18g epoxy resin reaction is added and adds 40g 1,4-butanediol and 80g
Isosorbide-5-Nitrae-dioxane mixed liquor reacts and keeps the temperature 2 hours.
5. by temperature be reduced to 40 DEG C hereinafter, plus the mixed liquor of 23g glacial acetic acid and 40g ethylene glycol ethyl ether neutralization reaction is added dropwise
1h discharging, can obtain hydroxyl-terminated polyurethane resin.
Embodiment 6:
Take 125g hydroxyl-terminated polyurethane resin in flask, and it is solid that 3g propylene glycol monomethyl ether 42g blocked isocyanate is added
Agent stirs 1h.It takes 300g deionized water in constant pressure funnel, starts to be slowly added dropwise into flask, to be emulsified open can accelerate to be added dropwise
Speed continues stirring to 1.5h after dripping.Lotion is poured into measuring cup, is re-packed at 60V/30s, and the first preliminary drying at 80 DEG C
After half an hour, then it is warming up at 150 DEG C and observes film surface after baking half an hour.Film surface hardness test can reach 4H, resistant to acetone wiping
It is 320 times or more, all more excellent compared with conventional urethane electrophoretic paint hardness chemical-resistance.
Claims (7)
1. a kind of hydroxyl-terminated polyurethane resin, it is mixed with by following raw materials according to mass percent, including oligomer
Polyalcohol 8%-15%, diisocyanate 37%-46%, hydrophilic chain extender 13%-15%, chain extender 12%-14.5%, ring
Oxygen resin 5%-6%, neutralizer 7.5%-8%；The oligomer polyol is polytetrahydrofuran diol 1000；Two isocyanide
Acid esters is isophorone diisocyanate；The hydrophilic chain extender is N methyldiethanol amine, dimethylethanolamine, diethanol
One of amine is a variety of；The chain extender is small molecule polyol.
2. a kind of hydroxyl-terminated polyurethane resin according to claim 1, it is characterised in that: the small molecule polyol is 1,
4- butanediol.
3. a kind of hydroxyl-terminated polyurethane resin according to claim 1, it is characterised in that: the epoxy resin be E20,
One of E12 epoxy resin is a variety of.
4. a kind of hydroxyl-terminated polyurethane resin according to claim 1, it is characterised in that: the neutralizer be acetic acid or
Lactic acid.
5. a kind of high solvent resistant polyurethane cathode electrophoresis dope of aqueous high rigidity, it is mixed by following raw materials according to mass percent
It is prepared: the hydroxyl-terminated polyurethane of claim 1: 25-30%, blocked isocyanate crosslinking agent: 6-8%, surfactant:
2-3%, surplus are water.
6. a kind of aqueous high solvent resistant polyurethane cathode electrophoresis dope of high rigidity according to claim 5, the sealing end
Type isocyanate crosslinking is sealing end hexamethylene diisocyanate trimer.
7. a kind of aqueous high solvent resistant polyurethane cathode electrophoresis dope preparation method of high rigidity according to claim 1,
It is characterized in that:
(1) oligomer polyol is carried out dehydrating first, temperature be 90 DEG C -95 DEG C, vacuumize carry out dehydration 0.5-1 it is small
When.
(2) diisocyanate is added dropwise into step (1) and carries out polymerization reaction, reaction temperature control is in 60-80 DEG C, reaction time
2-3 hours.
(3) in the presence of a solvent, hydrophilic chain extender is added dropwise into step (2), reaction temperature is controlled at 30-40 DEG C, instead
It is 3-4 hours between seasonable.
(4) in the presence of a solvent, chain extender is added into step (3) and epoxy resin carries out chain extending reaction, reaction temperature
At 60-80 DEG C, the reaction time is 2-3 hours for degree control.
(5) neutralizer is added in (4), carries out neutralizing the obtained hydroxyl-terminated polyurethane of salt-forming reaction.
(6) hydroxyl-terminated polyurethane resin and blocked isocyanate are mixed and added into surfactant and stir evenly, the poly- ammonia of terminal hydroxy group
Ester: 25-30%, blocked isocyanate crosslinking agent: 6-8%, surfactant: 2-3%, finally plus aqueous height is made in water emulsification
The high solvent resistant polyurethane cathode electrophoresis dope of hardness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811621662.5A CN109762458A (en) | 2018-12-28 | 2018-12-28 | A kind of high solvent resistant polyurethane cathode electrophoresis dope of aqueous high rigidity and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811621662.5A CN109762458A (en) | 2018-12-28 | 2018-12-28 | A kind of high solvent resistant polyurethane cathode electrophoresis dope of aqueous high rigidity and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109762458A true CN109762458A (en) | 2019-05-17 |
Family
ID=66451658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811621662.5A Pending CN109762458A (en) | 2018-12-28 | 2018-12-28 | A kind of high solvent resistant polyurethane cathode electrophoresis dope of aqueous high rigidity and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109762458A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115466563A (en) * | 2022-09-19 | 2022-12-13 | 枣阳新和化工有限公司 | Emulsification process for producing cathode two-component electrophoretic paint |
| CN116144313A (en) * | 2023-01-04 | 2023-05-23 | 湖北回天新材料股份有限公司 | A kind of one-component polyurethane low-temperature thermosetting structural adhesive and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2399946A1 (en) * | 2010-06-24 | 2011-12-28 | Bayer MaterialScience AG | Coated parts and their application |
| CN102786637A (en) * | 2011-05-17 | 2012-11-21 | 上海富臣化工有限公司 | Composite modified aqueous polyurethane resin and its preparation method |
| CN104945590A (en) * | 2015-05-15 | 2015-09-30 | 武汉科利尔新材料有限公司 | Hydroxyl-terminal modified polyurethane resin, electrophoretic coating composition thereof and preparation methods of hydroxyl-terminal modified polyurethane resin and electrophoretic coating composition |
-
2018
- 2018-12-28 CN CN201811621662.5A patent/CN109762458A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2399946A1 (en) * | 2010-06-24 | 2011-12-28 | Bayer MaterialScience AG | Coated parts and their application |
| CN102786637A (en) * | 2011-05-17 | 2012-11-21 | 上海富臣化工有限公司 | Composite modified aqueous polyurethane resin and its preparation method |
| CN104945590A (en) * | 2015-05-15 | 2015-09-30 | 武汉科利尔新材料有限公司 | Hydroxyl-terminal modified polyurethane resin, electrophoretic coating composition thereof and preparation methods of hydroxyl-terminal modified polyurethane resin and electrophoretic coating composition |
Non-Patent Citations (1)
| Title |
|---|
| 李翠苹等: "双组分热固型阴极电泳涂料的制备及其电泳工艺的优化", 《涂料工业》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115466563A (en) * | 2022-09-19 | 2022-12-13 | 枣阳新和化工有限公司 | Emulsification process for producing cathode two-component electrophoretic paint |
| CN116144313A (en) * | 2023-01-04 | 2023-05-23 | 湖北回天新材料股份有限公司 | A kind of one-component polyurethane low-temperature thermosetting structural adhesive and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106795266B (en) | Method for producing and using aqueous polyurethane/polyacrylate composite dispersions and use of said aqueous polyurethane/polyacrylate composite dispersions in coating agents | |
| CN107793544A (en) | A kind of environment-friendly polyurethane curing agent and its preparation method and application | |
| JPH0325443B2 (en) | ||
| CN101875711B (en) | Preparation method of hydroxyl aqueous polyurethane-acrylate resin hybridized body | |
| CN105367743A (en) | Synthetic method of waterborne polyurethane emulsion | |
| US20150353771A1 (en) | Coating compositions with an aqueous dispersion containing a polyurethane and an acid reactive crosslinking agent | |
| CN105949436A (en) | Water-dispersible HDI-TDI mixed tripolymer curing agent and preparation method thereof | |
| CN109762458A (en) | A kind of high solvent resistant polyurethane cathode electrophoresis dope of aqueous high rigidity and preparation method thereof | |
| US8927646B2 (en) | Polyurethane dispersion, method of producing the same, coated articles, and method for coating articles | |
| WO2006032373A1 (en) | Hydrolysis-stable coating agent composition | |
| AT408657B (en) | AQUEOUS COATING AGENT | |
| EP3174912B1 (en) | Method for producing and using aqueous polyurethane dispersions and use of same in coating agents | |
| CN108264622B (en) | Waterborne polyurethane, preparation intermediate and preparation method thereof | |
| CN1432030A (en) | Aqueous coating compsn. | |
| CN114410201B (en) | Waterproof coating and preparation method thereof | |
| CN111073459A (en) | Energy-saving and environment-friendly cathode electrophoretic coating | |
| CN105085890A (en) | Hydrophilic hyperbranched enclosed type isocyanate and preparation method thereof, and application of hydrophilic hyperbranched enclosed type isocyanate in coatings | |
| CN110423323B (en) | Water-soluble blocked polyurethane curing agent and preparation method and application thereof | |
| CN108178824A (en) | A kind of sulfonic waterborne polyurethane emulsion and its non-solvent preparation | |
| CN111620984A (en) | Modified polyurethane resin and preparation method thereof, water-based paint and coating product | |
| CN109111891A (en) | HTPB modified aqueous polyurethane transfer adhesive and preparation method thereof | |
| CA3236336A1 (en) | Electrodeposition coating composition and its preparation | |
| CN110591441B (en) | Insulating cathode electrophoretic coating emulsion and preparation method thereof | |
| CN109485815B (en) | Preparation method of waterborne polyurethane emulsion, waterborne polyurethane emulsion prepared by preparation method and application of waterborne polyurethane emulsion | |
| CN107987710B (en) | A kind of preparation method of the polyurea waterproof coating material applied to concrete surface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190517 |