JP2009215371A - 艶消粉体塗料組成物及び塗膜形成方法 - Google Patents
艶消粉体塗料組成物及び塗膜形成方法 Download PDFInfo
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- JP2009215371A JP2009215371A JP2008058254A JP2008058254A JP2009215371A JP 2009215371 A JP2009215371 A JP 2009215371A JP 2008058254 A JP2008058254 A JP 2008058254A JP 2008058254 A JP2008058254 A JP 2008058254A JP 2009215371 A JP2009215371 A JP 2009215371A
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- carboxyl group
- matte
- powder coating
- coating film
- containing polyester
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- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
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Abstract
【解決手段】本発明は、カルボキシル基含有ポリエステル樹脂、β−ヒドロキシアルキルアミド架橋剤及び体質顔料として炭酸カルシウムと硫酸バリウムを含む複数の粉体塗料組成物を乾式混合して得られる艶消粉体塗料組成物及び基材に該艶消粉体塗料組成物を塗装する塗膜形成方法に関するものである。
【選択図】なし
Description
1.2種類のカルボキシル基含有ポリエステル樹脂、β−ヒドロキシアルキルアミド架橋剤及び体質顔料として炭酸カルシウムと硫酸バリウムを含む艶消粉体塗料組成物であって、一方のカルボキシル基含有ポリエステル樹脂の酸価が10〜40mg/KOHの範囲内であり、且つ他方のカルボキシル基含有ポリエステル樹脂の酸価が45〜200mg/KOHの範囲内である艶消粉体塗料組成物、
2.前記カルボキシル基含有ポリエステル樹脂のいずれか一方又は両方が分岐型ポリエステル樹脂である1項に記載の艶消粉体塗料組成物、
3.酸価が10〜40mg/KOHの範囲内カルボキシル基含有ポリエステル樹脂と酸価が45〜200mg/KOHのカルボキシル基含有ポリエステル樹脂との質量比が、固形分として30:70〜90:10である1項又は2項に記載の艶消粉体塗料組成物。
4.基材に1〜3項のいずれか1項に記載の艶消粉体塗料組成物を塗装する塗膜形成方法
に関する。
温度計、攪拌機、加圧装置及び精留塔を具備した反応装置に、ネオペンチルグリコール、トリメチロールプロパン又はアジピン酸を表1に示す質量部投入し、攪拌しながら130℃まで昇温して透明は液体となった後にモノブチル錫オキサイト0.12部及びテレフタル酸を表1に示す質量部投入し、180℃まで昇温した。ついで内容物を180℃から240℃まで4時間かけて昇温し、昇温後、溶液が透明になるまで240℃に保持して。その後、精留塔を水分離器と置換し、反応装置にキシレン60部を投入し、水分離器にもキシレンを入れ、水とキシレンとを共沸させて縮合水を除去した。キシレン添加の30分後から10分毎にサンプリングを行ない、酸価を測定した。表1に示した酸価(反応停止時の酸価)となった時点で加熱を停止した。酸価の測定には、ピリジンを溶媒とし、1/10規定のアルコール性KOH溶液で滴定する方法を用いた。
表2に示した組成(質量部)の原材料を、ハイスピードミキサー(商品名、深江工業株式会社製、容量2リットル)に投入し、アジテーター500rpm、チョッパー4000rpmで1分間攪拌して均一に混合し、次に80℃〜100℃の温度条件で押し出し混練機(商品名、ブスコニーダーPR46、ブス社製)を用いて溶融混練を行い、冷却後ハンマー式衝撃粉砕機で微粉砕した後、200メッシュの金網で分級することにより、平均粒径35μmの粉体塗料組成物1〜14を製造した。
Claims (4)
- 2種類のカルボキシル基含有ポリエステル樹脂、β−ヒドロキシアルキルアミド架橋剤及び体質顔料として炭酸カルシウムと硫酸バリウムを含む艶消粉体塗料組成物であって、一方のカルボキシル基含有ポリエステル樹脂の酸価が10〜45mg/KOHの範囲内であり、且つ他方のカルボキシル基含有ポリエステル樹脂の酸価が40〜200mg/KOHの範囲内である艶消粉体塗料組成物。
- 前記カルボキシル基含有ポリエステル樹脂のいずれか一方又は両方が分岐型ポリエステル樹脂である請求項1に記載の艶消粉体塗料組成物。
- 酸価が10〜40mg/KOHの範囲内カルボキシル基含有ポリエステル樹脂と酸価が45〜200mg/KOHのカルボキシル基含有ポリエステル樹脂との質量比が、固形分として30:70〜90:10である請求項1又は2に記載の艶消粉体塗料組成物。
- 基材に請求項1〜3のいずれか1項記載の艶消粉体塗料組成物を塗装する塗膜形成方法。
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Cited By (3)
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---|---|---|---|---|
JP2009215372A (ja) * | 2008-03-07 | 2009-09-24 | Kansai Paint Co Ltd | 艶消粉体塗料組成物及び塗膜形成方法 |
CN109054008A (zh) * | 2018-08-20 | 2018-12-21 | 黄山市徽州康佳化工有限责任公司 | 一种抗黄变haa体系粉末涂料用聚酯树脂、制备方法及应用 |
JP7038250B1 (ja) | 2021-11-24 | 2022-03-17 | 日本ペイント・インダストリアルコ-ティングス株式会社 | 艶調整粉体塗料組成物、艶調整硬化塗膜を有する塗装物品及び艶調整硬化塗膜の形成方法 |
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JPH04176367A (ja) * | 1990-11-07 | 1992-06-24 | Kawasaki Steel Corp | 加工性の優れた艶消し塗装鋼板 |
JP2001098213A (ja) * | 1999-09-29 | 2001-04-10 | Shinto Paint Co Ltd | 粉体塗料組成物 |
JP2003183573A (ja) * | 2001-12-18 | 2003-07-03 | Kansai Paint Co Ltd | 熱硬化型艶消し粉体塗料 |
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JPH04176367A (ja) * | 1990-11-07 | 1992-06-24 | Kawasaki Steel Corp | 加工性の優れた艶消し塗装鋼板 |
JP2001098213A (ja) * | 1999-09-29 | 2001-04-10 | Shinto Paint Co Ltd | 粉体塗料組成物 |
JP2003183573A (ja) * | 2001-12-18 | 2003-07-03 | Kansai Paint Co Ltd | 熱硬化型艶消し粉体塗料 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009215372A (ja) * | 2008-03-07 | 2009-09-24 | Kansai Paint Co Ltd | 艶消粉体塗料組成物及び塗膜形成方法 |
CN109054008A (zh) * | 2018-08-20 | 2018-12-21 | 黄山市徽州康佳化工有限责任公司 | 一种抗黄变haa体系粉末涂料用聚酯树脂、制备方法及应用 |
CN109054008B (zh) * | 2018-08-20 | 2021-01-01 | 黄山市徽州康佳化工有限责任公司 | 一种抗黄变haa体系粉末涂料用聚酯树脂、制备方法及应用 |
JP7038250B1 (ja) | 2021-11-24 | 2022-03-17 | 日本ペイント・インダストリアルコ-ティングス株式会社 | 艶調整粉体塗料組成物、艶調整硬化塗膜を有する塗装物品及び艶調整硬化塗膜の形成方法 |
JP2023077199A (ja) * | 2021-11-24 | 2023-06-05 | 日本ペイント・インダストリアルコーティングス株式会社 | 艶調整粉体塗料組成物、艶調整硬化塗膜を有する塗装物品及び艶調整硬化塗膜の形成方法 |
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