JP2011522972A - 蛍光増白剤組成物 - Google Patents
蛍光増白剤組成物 Download PDFInfo
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- JP2011522972A JP2011522972A JP2011512978A JP2011512978A JP2011522972A JP 2011522972 A JP2011522972 A JP 2011522972A JP 2011512978 A JP2011512978 A JP 2011512978A JP 2011512978 A JP2011512978 A JP 2011512978A JP 2011522972 A JP2011522972 A JP 2011522972A
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Images
Classifications
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- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
- C07D251/40—Nitrogen atoms
- C07D251/54—Three nitrogen atoms
- C07D251/68—Triazinylamino stilbenes
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- D—TEXTILES; PAPER
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- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
- C07D251/40—Nitrogen atoms
- C07D251/54—Three nitrogen atoms
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/10—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a carbon chain containing aromatic rings
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
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- C—CHEMISTRY; METALLURGY
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Abstract
【選択図】 図1
Description
従って、本発明は紙の増白に適した組成物であって、前記組成物は
(a)式(1)、式(2)または式(3):
R1、R2、R3及びR4は互いに独立して、水素、シアノ、C1−C4アルキル、C2−C4ヒドロキシアルキル、C1−C4アルコキシを表し、ここでアルキルは直鎖若しくは分岐鎖であるか;あるいはR2とR1またはR3とR4は互いに独立してN原子と一緒になってモルホリン、ピペリジン若しくはピロリジン環;または−(CH2)l−SO3M(ここでlは1、2若しくは3を表す);または
Mは水素または、カチオンの一等価物、特にLi、Na、K、Ca、Mg、アンモニウムまたは、C1−C4アルキル若しくはC2−C4ヒドロキシアルキルにより一、二、三若しくは四置換されているアンモニウムを表す、
ただし、式(1)の蛍光増白剤が存在し、且つ式(2)及び(3)の蛍光増白剤がどれも存在しない場合、Rは水素でもメチルでもない}
の少なくとも一種の蛍光増白剤(fluorescent whitening agent:FWA)を含む、前記組成物に関する。
・式(1)の蛍光増白剤、ただし上記定義のとおり;
・式(2)の蛍光増白剤;
・式(3)の蛍光増白剤;
・式(1)及び(2)の蛍光増白剤;
・式(1)及び(3)の蛍光増白剤;
・式(2)及び(3)の蛍光増白剤;または
・式(1)、(2)及び(3)の蛍光増白剤。
段階1:塩化シアヌルとジメタニル酸(dimetanilic acid)との反応
攪拌機、pH電極、温度計及びコンデンサを備えた2リットルフラスコに、8℃で水600mlと塩化シアヌル100g(0.54mol)を充填する。pHが4.5に低下した後、25%w/wジメタニル酸溶液592g(0.56mol)を45分で添加する。この混合物を12℃以下に加熱しながら、同時に10%水酸化ナトリウム溶液を添加してpHを2.3に維持する。ジメタニル酸溶液を添加後、この混合物を12℃及びpH2.3で3時間攪拌する。この時間の後、10%水酸化ナトリウム溶液を添加してpHを5.2に維持している間に、温度は30℃に上昇し、反応は完了する。
4,4’−ジアミノ−2,2’−ジスルホン酸二ナトリウム塩112.2g(0.27mol)、水835g及び炭酸ナトリウムの10%水溶液222gを含む溶液を段階1からの溶液に添加する。添加している間に溶液のpHを一定(pH=5.2)に維持していると、温度は徐々に65℃に上昇する。4,4’−ジアミノ−2,2’−ジスルホン酸溶液の添加が終了するまで、この溶液を65℃及びpH5.2で攪拌する。
20%水溶液としてタウリン67.8g(0.54mol)を段階2からの溶液に20分で添加する。この混合物を100℃以下に加熱しながら、10%水酸化ナトリウム溶液を同時に添加してpHを8で一定に維持する。次いで反応混合物を約100℃及びpH8でさらに3時間攪拌する。得られた溶液を約50℃に冷却し、濾過して清澄にすると式1の化合物の溶液、371g(87.3%)が得られる。
20%水溶液としてタウリン/ジタウリン混合物(5/l w/w)67.8g(0.54mol)を20分で実施例1の段階2からの溶液に添加する。この混合物を100℃以下に加熱しながら、10%水酸化ナトリウム溶液を同時に添加してpHを8で一定に保持する。次いで反応混合物を約100℃及びpH8でさらに3時間攪拌する。得られた溶液を約50℃に冷却し、濾過して清澄にすると、1(78.7%)、2(4.8%)及び3(16.5%)の混合物の溶液が全体で362g(85.2%)の収量で得られる。
実施例1の段階2からの溶液を60℃以下に加熱し、次いで20%水溶液としてタウリン/ジタウリン混合物(5/l w/w)67.8g(0.54mol)を1時間で滴下添加した。この混合物を100℃以下に加熱しながら、10%水酸化ナトリウム溶液を同時に添加してpHを8で一定に保持する。次いで反応混合物を約100℃及びpH8でさらに3時間攪拌する。得られた溶液を約50℃に冷却し、濾過して清澄にすると、1(84%)、2(5.1%)及び3(10.9%)の混合物の溶液が全体で354g(83.3%)の収量で得られる。
実施例1の段階2からの溶液に、N−Meタウリン74.5g(0.54mol)を20分で添加する。この混合物を100℃以下に加熱しながら、10%水酸化ナトリウム溶液を同時に添加してpHを8で一定に保持する。次いで反応混合物を約100℃及びpH8でさらに3時間攪拌する。得られた溶液を約50℃に冷却し、濾過して清澄にすると、式1の化合物の溶液、383g(88.7.3%)が得られる。
種々の蛍光増白剤の増白性能は、サイズ−/フィルム−プレス用途用の以下の試験手順を使用して調査した。
得られた結果を表1にまとめ、図1にも示す。
種々の蛍光増白剤の増白性能を、塩化カルシウムの存在下で調査した。
試験手順は、塩化カルシウムを以下のように添加した以外には、適用例1と同一であった。50%塩化カルシウム溶液を製造した。紙上に適用した塩化カルシウム量は、0.8%であった。グラスに蛍光増白剤を秤量し、15%でんぷん溶液13.33gを添加した後、塩化カルシウム溶液を秤量し、溶液に水を添加して20gとした。
得られた結果を表2にまとめ、図2にも示す。
Claims (16)
- 紙の増白に適した組成物であって、前記組成物は、
(a)式(1)、式(2)または式(3):
R1、R2、R3及びR4は互いに独立して、水素、シアノ、C1−C4アルキル、C2−C4ヒドロキシアルキル、C1−C4アルコキシを表し、ここでアルキルは直鎖若しくは分岐鎖であるか;あるいはR2とR1またはR3とR4は互いに独立してN原子と一緒になってモルホリン、ピペリジン若しくはピロリジン環;または−(CH2)l−SO3M(ここでlは1、2若しくは3を表す);または
Mは水素または、カチオンの一等価物、特にLi、Na、K、Ca、Mg、アンモニウムまたは、C1−C4アルキル若しくはC2−C4ヒドロキシアルキルにより一、二、三若しくは四置換されているアンモニウムを表す、
ただし、式(1)の蛍光増白剤が存在し、且つ式(2)及び(3)の蛍光増白剤がどれも存在しない場合、Rは水素でもメチルでもない}
の少なくとも一種の蛍光増白剤(fluorescent whitening agent:FWA)を含む、前記組成物。 - R、R1及びR3は水素であり、且つR2及びR4は両方とも2,5−ジスルホフェニルである、請求項1に記載の組成物。
- Rはメチルであり、R1及びR3は水素であり、且つR2及びR4は両方とも2,5−ジスルホフェニルである、請求項1に記載の組成物。
- MはNaまたはKである、請求項1〜3のいずれかに記載の組成物。
- 前記組成物は、式(1)、式(2)及び/または式(3)の2または3種の蛍光増白剤を含む、請求項1〜4のいずれかに記載の組成物。
- 前記組成物は式(1)、(2)及び(3)の蛍光増白剤を含む、請求項1〜5のいずれかに記載の組成物。
- 前記組成物は、成分(a)100重量%をベースとしてそれぞれ、式(1)の蛍光増白剤を20〜95重量%、式(2)の蛍光増白剤を0.1〜60重量%、式(3)の蛍光増白剤を0.1〜30重量%含む、請求項1〜6のいずれかに記載の組成物。
- 前記組成物は水性製剤である、請求項1〜7のいずれかに記載の組成物。
- 前記組成物はサイズプレス液である、請求項1〜8のいずれかに記載の組成物。
- 前記組成物はコーティング組成物またはコーティングスリップである、請求項1〜8のいずれかに記載の組成物。
- 前記組成物は二価カチオンの塩を含む、請求項1〜10のいずれかに記載の組成物。
- パルプまたはパルプ懸濁液を、請求項1〜8及び11のいずれかに記載の組成物と接触させる、紙を増白するためのプロセス。
- セルロースシートを請求項1〜11のいずれかに記載の組成物と接触させる、紙を増白するためのプロセス。
- セルロースシートとの接触はサイズプロセスまたはコーティングにより実施する、請求項13に記載のプロセス。
- 請求項12〜14のいずれかに記載のプロセスにより得られる紙。
- 紙を増白するための請求項1〜11のいずれかに記載の組成物の使用。
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JP2016518480A (ja) * | 2013-03-21 | 2016-06-23 | アルフローマ アイピー ゲゼルシャフト ミット ベシュレンクテル ハフツング | 高品質インクジェット印刷用蛍光増白剤 |
US9868858B2 (en) | 2013-03-21 | 2018-01-16 | Archroma Ip Gmbh | Optical brightening agents for high quality ink-jet printing |
US9845403B2 (en) | 2014-11-28 | 2017-12-19 | Fujifilm Corporation | Ink image matter generating method |
DE112015005365B4 (de) | 2014-11-28 | 2023-09-28 | Fujifilm Corporation | Tintenbildmaterial-erzeugungsverfahren |
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