JPWO2021261372A5 - - Google Patents
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- Publication number
- JPWO2021261372A5 JPWO2021261372A5 JP2022531901A JP2022531901A JPWO2021261372A5 JP WO2021261372 A5 JPWO2021261372 A5 JP WO2021261372A5 JP 2022531901 A JP2022531901 A JP 2022531901A JP 2022531901 A JP2022531901 A JP 2022531901A JP WO2021261372 A5 JPWO2021261372 A5 JP WO2021261372A5
- Authority
- JP
- Japan
- Prior art keywords
- electrodeposition coating
- coating composition
- cationic electrodeposition
- epoxy resin
- particles
- 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
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- 238000004070 electrodeposition Methods 0.000 claims 17
- 125000002091 cationic group Chemical group 0.000 claims 15
- 239000002245 particle Substances 0.000 claims 15
- 239000008199 coating composition Substances 0.000 claims 14
- 150000001875 compounds Chemical class 0.000 claims 11
- 239000003822 epoxy resin Substances 0.000 claims 11
- 229920000647 polyepoxide Polymers 0.000 claims 11
- 239000002734 clay mineral Substances 0.000 claims 7
- 229920005989 resin Polymers 0.000 claims 7
- 239000011347 resin Substances 0.000 claims 7
- 125000003277 amino group Chemical group 0.000 claims 6
- 229920006112 polar polymer Polymers 0.000 claims 6
- 238000000576 coating method Methods 0.000 claims 5
- 229920001228 polyisocyanate Polymers 0.000 claims 5
- 239000005056 polyisocyanate Substances 0.000 claims 5
- 239000007787 solid Substances 0.000 claims 5
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims 3
- 239000011248 coating agent Substances 0.000 claims 3
- 239000006185 dispersion Substances 0.000 claims 2
- 238000005227 gel permeation chromatography Methods 0.000 claims 2
- 238000000034 method Methods 0.000 claims 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims 1
- 229920000178 Acrylic resin Polymers 0.000 claims 1
- 239000004925 Acrylic resin Substances 0.000 claims 1
- 239000004372 Polyvinyl alcohol Substances 0.000 claims 1
- 150000001241 acetals Chemical class 0.000 claims 1
- 125000003368 amide group Chemical group 0.000 claims 1
- QHIWVLPBUQWDMQ-UHFFFAOYSA-N butyl prop-2-enoate;methyl 2-methylprop-2-enoate;prop-2-enoic acid Chemical compound OC(=O)C=C.COC(=O)C(C)=C.CCCCOC(=O)C=C QHIWVLPBUQWDMQ-UHFFFAOYSA-N 0.000 claims 1
- 239000007795 chemical reaction product Substances 0.000 claims 1
- 239000000805 composite resin Substances 0.000 claims 1
- 239000003431 cross linking reagent Substances 0.000 claims 1
- 150000002170 ethers Chemical class 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 150000004676 glycans Chemical class 0.000 claims 1
- 238000013007 heat curing Methods 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000003973 paint Substances 0.000 claims 1
- 239000000049 pigment Substances 0.000 claims 1
- 229920001281 polyalkylene Polymers 0.000 claims 1
- 229920000515 polycarbonate Polymers 0.000 claims 1
- 239000004417 polycarbonate Substances 0.000 claims 1
- 229920001225 polyester resin Polymers 0.000 claims 1
- 239000004645 polyester resin Substances 0.000 claims 1
- 229920001282 polysaccharide Polymers 0.000 claims 1
- 239000005017 polysaccharide Substances 0.000 claims 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims 1
- JOYRKODLDBILNP-UHFFFAOYSA-N urethane group Chemical group NC(=O)OCC JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims 1
- 229920002554 vinyl polymer Polymers 0.000 claims 1
Claims (13)
前記粒子（Ｄ）が、樹脂架橋粒子（Ｄ２）を含み、
前記樹脂架橋粒子（Ｄ２）が、エポキシ樹脂架橋粒子（Ｄ２－１）であり、
前記エポキシ樹脂架橋粒子（Ｄ２－１）が、アミノ基含有エポキシ樹脂（Ｄ２－２）と架橋剤（Ｄ２－３）との反応生成物である、
ことを特徴とするカチオン電着塗料組成物。 A cationic electrodeposition coating composition containing an amino group-containing epoxy resin (A), a blocked polyisocyanate compound (B), a polar polymer compound (C), and particles (D),
The particles (D) contain resin crosslinked particles (D2),
The resin crosslinked particles (D2) are epoxy resin crosslinked particles (D2-1),
The epoxy resin crosslinked particles (D2-1) are a reaction product of an amino group-containing epoxy resin (D2-2) and a crosslinking agent (D2-3).
A cationic electrodeposition coating composition characterized by:
前記極性高分子化合物（Ｃ）が、ポリビニルアルコール及び／又はポリ（メタ）アクリルアミド系樹脂であり、The polar polymer compound (C) is polyvinyl alcohol and/or poly(meth)acrylamide resin,
前記粒子（Ｄ）が粘土鉱物（Ｄ１）を含む、 The particles (D) contain a clay mineral (D1),
ことを特徴とするカチオン電着塗料組成物。A cationic electrodeposition coating composition characterized by:
前記粘土鉱物（Ｄ１）が、棒状、針状、繊維状、鎖状からなる群から選ばれる少なくとも１種の形状の粘土鉱物を含むことを特徴とする請求項２又は３に記載のカチオン電着塗料組成物。 The clay mineral (D1) is contained in the aqueous dispersion (I),
4. The cationic electrodeposition according to claim 2 or 3 , wherein the clay mineral (D1) contains at least one clay mineral selected from the group consisting of rod-like, needle-like, fibrous and chain-like. paint composition.
下記方法で測定されるエポキシ樹脂架橋粒子（Ｄ２－１）の数平均分子量が９，０００以下であることを特徴とする請求項１又は６に記載のカチオン電着塗料組成物；
＜数平均分子量の測定方法＞
エポキシ樹脂架橋粒子（Ｄ２－１）をＮ，Ｎ－ジメチルホルムアミドで１質量％の固形分濃度に希釈し、室温で２４時間静置した。次いで濾過によって不溶解成分を取り除き、ゲルパーミエーションクロマトグラフィ（ＧＰＣ）を用いて数平均分子量を測定した。 The epoxy resin crosslinked particles (D2-1) have a volume average particle diameter of 30 nm to 1000 nm,
The cationic electrodeposition coating composition according to claim 1 or 6, wherein the number average molecular weight of the epoxy resin crosslinked particles (D2-1) measured by the following method is 9,000 or less ;
<Method for measuring number average molecular weight>
Epoxy resin crosslinked particles (D2-1) were diluted with N,N-dimethylformamide to a solid content concentration of 1% by mass and allowed to stand at room temperature for 24 hours. Then, undissolved components were removed by filtration, and the number average molecular weight was measured using gel permeation chromatography (GPC).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2023033281A JP2023060167A (en) | 2020-06-23 | 2023-03-06 | Cationic electrodeposition coating composition |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020107445 | 2020-06-23 | ||
| JP2020107445 | 2020-06-23 | ||
| PCT/JP2021/023021 WO2021261372A1 (en) | 2020-06-23 | 2021-06-17 | Cationic electrodeposition coating composition |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023033281A Division JP2023060167A (en) | 2020-06-23 | 2023-03-06 | Cationic electrodeposition coating composition |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2021261372A1 JPWO2021261372A1 (en) | 2021-12-30 |
| JPWO2021261372A5 true JPWO2021261372A5 (en) | 2022-12-12 |
| JP7241973B2 JP7241973B2 (en) | 2023-03-17 |
Family
ID=79281294
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022531901A Active JP7241973B2 (en) | 2020-06-23 | 2021-06-17 | Cationic electrodeposition paint composition |
| JP2023033281A Pending JP2023060167A (en) | 2020-06-23 | 2023-03-06 | Cationic electrodeposition coating composition |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023033281A Pending JP2023060167A (en) | 2020-06-23 | 2023-03-06 | Cationic electrodeposition coating composition |
Country Status (2)
| Country | Link |
|---|---|
| JP (2) | JP7241973B2 (en) |
| WO (1) | WO2021261372A1 (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5506284A (en) * | 1993-02-26 | 1996-04-09 | Basf Corporation | Electrodeposition coating composition comprising crosslinked microparticles |
| US5430078A (en) * | 1993-08-31 | 1995-07-04 | Basf Corporation | Electrodeposition coating composition comprising cellulose additive |
| DE19930060A1 (en) * | 1999-06-30 | 2001-01-11 | Basf Coatings Ag | Electrocoating bath with water-soluble polyvinyl alcohol (co) polymers |
| JP4439836B2 (en) * | 2003-05-12 | 2010-03-24 | 日本ペイント株式会社 | Cationic electrodeposition coating composition and paint |
| JP6099139B2 (en) * | 2013-04-26 | 2017-03-22 | 関西ペイント株式会社 | Cationic electrodeposition coating composition |
| JP6795435B2 (en) * | 2017-03-23 | 2020-12-02 | 日本ペイント・オートモーティブコーティングス株式会社 | Epoxy viscous agent and cationic electrodeposition coating composition |
| JP7516699B2 (en) * | 2019-04-25 | 2024-07-17 | 関西ペイント株式会社 | Cationic electrodeposition coating composition |
| JP6836024B1 (en) * | 2019-06-28 | 2021-02-24 | 関西ペイント株式会社 | Cationic electrodeposition coating composition |
-
2021
- 2021-06-17 JP JP2022531901A patent/JP7241973B2/en active Active
- 2021-06-17 WO PCT/JP2021/023021 patent/WO2021261372A1/en active Application Filing
-
2023
- 2023-03-06 JP JP2023033281A patent/JP2023060167A/en active Pending
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