JP4359888B2 - 磁粉液調製用液状分散剤 - Google Patents
磁粉液調製用液状分散剤 Download PDFInfo
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- JP4359888B2 JP4359888B2 JP2004224165A JP2004224165A JP4359888B2 JP 4359888 B2 JP4359888 B2 JP 4359888B2 JP 2004224165 A JP2004224165 A JP 2004224165A JP 2004224165 A JP2004224165 A JP 2004224165A JP 4359888 B2 JP4359888 B2 JP 4359888B2
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Description
しかしながら、磁粉液を調製するとき、ノニオン系界面活性剤の配合量(濃度)少ない(低い)磁粉液調製用液状分散剤を用いる場合には、ノニオン系界面活性剤の配合量(濃度)が多い(高い)磁粉液調製用液状分散剤を用いる場合と比較してその使用量が多くなり、後述する「製品の嵩と重量の問題」が発生することになる。
VM1−A・商品名・山一電気工業株式会社製)を用いて測定したところ41.0cPであった。なお、本発明品Eは製造時から12ヶ月を経過した時点においても液状を保っており、ゲル化や固化は発生しなかった。
Claims (3)
- HLB8〜14の範囲内にあるノニオン系界面活性剤、シリコーン消泡剤、高級脂肪酸、アルコール及び水からなる磁粉液調製用液状分散剤にターシャリーブチル安息香酸塩を配合してなり、かつ、粘度が15cP〜65cPの範囲内にあることを特徴とする磁粉液調製用液状分散剤。
- ターシャリーブチル安息香酸塩がナトリウム塩又はカリウム塩である請求項1記載の磁粉液調製用液状分散剤。
- HLB8〜14の範囲内にあるノニオン系界面活性剤の配合割合が少なくとも8重量%であり、水の配合割合が45〜65重量%であり、ターシャリーブチル安息香酸塩の配合割合が10〜25重量%である請求項1又は請求項2記載の磁粉液調製用液状分散剤。
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JP2004224165A JP4359888B2 (ja) | 2004-07-30 | 2004-07-30 | 磁粉液調製用液状分散剤 |
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JP2004224165A JP4359888B2 (ja) | 2004-07-30 | 2004-07-30 | 磁粉液調製用液状分散剤 |
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JP2006046937A JP2006046937A (ja) | 2006-02-16 |
JP4359888B2 true JP4359888B2 (ja) | 2009-11-11 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5224168B2 (ja) * | 2007-10-31 | 2013-07-03 | マークテック株式会社 | 湿式磁粉探傷試験用濃厚磁粉分散液 |
CN106226386B (zh) * | 2016-07-04 | 2019-05-10 | 中车戚墅堰机车车辆工艺研究所有限公司 | 一种性能测试用复合荧光磁粉的处理方法 |
KR102490065B1 (ko) * | 2022-10-23 | 2023-01-18 | (주)한솔인텍 | 자분탐상 검사용 습식자분액 조성물 |
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