JP4802156B2 - 粘着性ピッチの分析方法 - Google Patents
粘着性ピッチの分析方法 Download PDFInfo
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- JP4802156B2 JP4802156B2 JP2007211621A JP2007211621A JP4802156B2 JP 4802156 B2 JP4802156 B2 JP 4802156B2 JP 2007211621 A JP2007211621 A JP 2007211621A JP 2007211621 A JP2007211621 A JP 2007211621A JP 4802156 B2 JP4802156 B2 JP 4802156B2
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- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
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- 229910052911 sodium silicate Inorganic materials 0.000 description 1
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Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
(1)疎水性のアニオン化合物、すなわち原木由来のへミセルロース,脂肪酸,樹脂酸、添加剤のサイズ剤、染料、用水系の界面活性剤等で高分子疎水基とカルボン酸等の親水性のアニオン基を有する。
(2)高分子多価アニオン化合物(ポリアニオン)、すなわち原木由来のリグニン、コート液や塗工成分のCMC、酸化でんぷん、ピグメント用分散剤のポリアクリル酸やホスホン酸、紙力剤用ポリマー、水質由来の腐植酸等であるが、脱墨由来の珪酸ソーダも類似の性質を示す。
(3)アニオン性に帯電したコロイド状樹脂成分、すなわちコートブロークや、コート廃液、古紙由来のラテックス、粘着剤や背糊由来のアクリルエステルやEVAがアニオン性に帯電したコロイド状樹脂成分である。
JISP8231、2006 紙パルプ技術協会年次大会講演要旨集、福岡、2006、p91 第73回紙パルプ研究会講演要旨集、東京、2006、p130
前記転写時、90〜110℃の範囲で加熱することが好ましい。さらに前記媒体はステンレス版であることが好ましい。前記製紙原料は板紙用である時、効果を発揮する。
ライナー中芯原紙、ライナー用原紙など特に制限は無いが、粘着性ピッチが混入しやすい白ボール用原紙、ライナー中芯原紙、ライナー用原紙などの板紙原料の分析に適している。
Claims (4)
- 抄紙前の製紙原料を20μm未満の粒子を通過させる濾紙で濾過し、ウェットシートを作成し該ウェットシート上の粘着性ピッチを加圧下、媒体に転写し、該粘着性ピッチを転写した前記媒体表面をデジタルカメラにより撮影した電子的な情報をコンピュータに入力した後、画像解析ソフトによって、前記媒体表面に付着した付着物の中から、大きさ、長短半径比、穴数、穴面積の最適条件下で再度抽出し、繊維分および粘着ピッチではない他の付着物と粘着性ピッチを判別した後、前記粘着性ピッチの数と総面積を計測することを特徴とする製紙原料中の粘着性ピッチの分析方法。
- 前記転写時、90〜110℃の範囲で加熱することを特徴とする請求項1に記載の製紙原料中の粘着性ピッチの分析方法。
- 前記媒体がステンレス板であることを特徴とする請求項1あるいは2に記載の製紙原料中の粘着性ピッチの分析方法。
- 前記製紙原料が板紙用であることを特徴とする請求項1〜3のいずれかに記載の製紙原料中の粘着性ピッチの分析方法。
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JP2007211621A JP4802156B2 (ja) | 2007-08-15 | 2007-08-15 | 粘着性ピッチの分析方法 |
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JP2007211621A JP4802156B2 (ja) | 2007-08-15 | 2007-08-15 | 粘着性ピッチの分析方法 |
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JP2009047461A JP2009047461A (ja) | 2009-03-05 |
JP4802156B2 true JP4802156B2 (ja) | 2011-10-26 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017009564A (ja) * | 2015-06-26 | 2017-01-12 | 栗田工業株式会社 | ピッチ分析方法及びピッチ処理方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2490006A4 (en) * | 2009-10-14 | 2018-05-02 | Nippon Paper Industries Co., Ltd. | Method for measuring degree of contaminant deposition |
CN102012356B (zh) * | 2010-11-25 | 2012-06-13 | 东南大学 | 一种沥青混凝土路面集料级配的快速检测方法 |
JP6540064B2 (ja) * | 2015-02-05 | 2019-07-10 | 日本製鉄株式会社 | 微粒子サンプリング方法および微粒子分析方法 |
CN106226311A (zh) * | 2016-09-13 | 2016-12-14 | 福州大学 | 一种沥青混合料芯样断面图像获取装置及方法 |
JP2020085835A (ja) * | 2018-11-30 | 2020-06-04 | 日亜化学工業株式会社 | タックの評価方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01244338A (ja) * | 1988-03-25 | 1989-09-28 | Pfizer M S P Kk | 製紙用原材料に於けるピッチ粒子数の計数装置及びピッチ粒子の制御装置 |
JPH04194727A (ja) * | 1990-11-28 | 1992-07-14 | Mitsubishi Paper Mills Ltd | コロイド粒子状ピッチの測定方法 |
JPH0599858A (ja) * | 1991-10-09 | 1993-04-23 | Kawasaki Steel Corp | 付着物検出方法 |
JP4218156B2 (ja) * | 1999-11-18 | 2009-02-04 | 東レ株式会社 | 熱可塑性樹脂シート表面の清浄方法および熱可塑性樹脂シートの製造方法 |
JP3860130B2 (ja) * | 2002-08-21 | 2006-12-20 | 東洋鋼鈑株式会社 | 固体支持体及び該固体支持体上に固定化された複数の物質又は複合体を脱離/イオン化することにより質量分析する方法 |
JP2005152849A (ja) * | 2003-11-27 | 2005-06-16 | Kitakyushu Foundation For The Advancement Of Industry Science & Technology | 浮遊微粒子捕集用フィルタ及びそれを用いた浮遊微粒子捕集方法、浮遊微粒子分析方法、並びに浮遊微粒子捕集装置 |
JP2005221291A (ja) * | 2004-02-04 | 2005-08-18 | Toray Ind Inc | 液状物の異物検査方法 |
JP2007271389A (ja) * | 2006-03-30 | 2007-10-18 | Nippon Paper Industries Co Ltd | 粘着異物の測定方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2017009564A (ja) * | 2015-06-26 | 2017-01-12 | 栗田工業株式会社 | ピッチ分析方法及びピッチ処理方法 |
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