EP2626464A1 - Composition de désacidification de papier, procédé permettant de l'obtenir et son procédé d'application - Google Patents

Composition de désacidification de papier, procédé permettant de l'obtenir et son procédé d'application Download PDF

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Publication number
EP2626464A1
EP2626464A1 EP11464027.9A EP11464027A EP2626464A1 EP 2626464 A1 EP2626464 A1 EP 2626464A1 EP 11464027 A EP11464027 A EP 11464027A EP 2626464 A1 EP2626464 A1 EP 2626464A1
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EP
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Prior art keywords
paper
composition
cmc
deacidification
hydroxyapatite
Prior art date
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EP11464027.9A
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German (de)
English (en)
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EP2626464B1 (fr
Inventor
Rodica-Mariana Ion
Sanda Maria Doncea
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Institutul National de Cercetare Dezvoltare Pentru Chimie si Petrochimie - Icechim
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Institutul National de Cercetare Dezvoltare Pentru Chimie si Petrochimie - Icechim
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Priority to EP11464027.9A priority Critical patent/EP2626464B1/fr
Publication of EP2626464A1 publication Critical patent/EP2626464A1/fr
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • 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
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/18—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00 of old paper as in books, documents, e.g. restoring

Definitions

  • the present invention relates to a new chemical composition based on a suspension of hydroxyapatite nanoparticles (HA) in carboxymethyl-cellulose (CMC) in alcoholic solution (isopropylic alcohol), used for paper deacidification, by acidity anihilation from 4.5 to 7.2.
  • HA hydroxyapatite nanoparticles
  • CMC carboxymethyl-cellulose
  • alcoholic solution isopropylic alcohol
  • the paper degradation due to an excessive acidity (due to chemical or biological action), is reflected by the yellow tonalities appearance accompanied by an increased brittlement of the paper, which is transformed into a very fragile substance that is destroyed at the slightest touch.
  • the acid hydrolysis of cellulose that occurs during aging represents about 95% of the paper damages, and is considered as the most significant cause of deterioration of cellulosic materials.
  • Acid attack causes a random attack on hemi-acetal bonds between different constituents of cellulose molecules. This reaction will weaken the molecules, leading to the brittlement of cellulosic materials.
  • HA hydroxyapatite
  • CMC carboxymethyl-cellulose
  • HA carboxymethyl-cellulose
  • CMC carboxymethyl-cellulose
  • HA hidroxyapatite
  • HA has hydrogen atoms bound to oxygen atom.
  • the functional groups that contain pairs of positive charged ions of calcium and clusters of six atoms of oxygen negative charge associated with phosphate crystal triplets, generating hexagonal crystals with a columnar shape with Ca: P 1.67.
  • the ions Ca, P and hydroxyl groups, are located on the HA surface.
  • the two components of the composition HA are interacting only by weak hydrogen bonds.
  • the interaction between CMC with HA in this composition is visible in FTIR spectra through the widening of OH group bands (3500-3000 cm -1 ).
  • the electrostatic binding of the two components will be favored, too, forasmuch due to acidic pH, Ca 2+ ions located on the surface of HA come into contact with the -COO 2- anions from the CMC surface.
  • the electrostatic link between these two components is stabilizing and neutralizing the paper pH where it is sprayed (visible at 1460 cm -1 band of the FTIR spectrum, attributed to ionic pair -Ca 2+ COO 2- ).
  • the atmospheric CO 2 has the ability to react with none of these two components, the risk of transformation of pH paper from the basic range to acidic one, is practically null.
  • composition hidroxyapatite carboxymethyl cellulose prepared by us, has the following advantages:
  • Example 1 Operations have been carried out by the treatment of a yellowed, lightened and brittled paper sample:

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  • Paper (AREA)
EP11464027.9A 2011-12-15 2011-12-15 Composition de désacidification de papier, procédé permettant de l'obtenir et son procédé d'application Active EP2626464B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11464027.9A EP2626464B1 (fr) 2011-12-15 2011-12-15 Composition de désacidification de papier, procédé permettant de l'obtenir et son procédé d'application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11464027.9A EP2626464B1 (fr) 2011-12-15 2011-12-15 Composition de désacidification de papier, procédé permettant de l'obtenir et son procédé d'application

Publications (2)

Publication Number Publication Date
EP2626464A1 true EP2626464A1 (fr) 2013-08-14
EP2626464B1 EP2626464B1 (fr) 2017-03-22

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EP (1) EP2626464B1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109028229A (zh) * 2018-09-29 2018-12-18 佛山市云米电器科技有限公司 一种带视觉检测模块油烟机的换档方法
CN109342382A (zh) * 2018-11-23 2019-02-15 复旦大学 一种带有pH响应荧光探针的脱酸功能纸的制备方法
CN112206585A (zh) * 2020-10-23 2021-01-12 徐少佐 空调过滤网自动清洗装置
CN113074379A (zh) * 2021-03-30 2021-07-06 龙南鑫坤无机新材料有限公司 一种高温去除氮氧化物设备
CN113430863A (zh) * 2021-07-21 2021-09-24 杭州众材科技股份有限公司 一种避免纸张水性脱酸后发生褶皱变形的干燥方法
CN114411446A (zh) * 2022-02-17 2022-04-29 复旦大学 一种脱酸加固抑菌复合功能保护剂及其制备方法与应用
ES2943162A1 (es) * 2023-03-30 2023-06-09 Univ Pablo De Olavide Composicion para la desacidificacion de materiales celulosicos, metodo y usos
CN116334955A (zh) * 2023-02-17 2023-06-27 甘继东 一种纸张修复装置

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3676182A (en) * 1970-08-31 1972-07-11 Richard Daniel Smith Treatment of cellulosic materials
US5091111A (en) 1990-09-19 1992-02-25 S. C. Johnson & Son, Inc. Aqueous emulsion and aersol delivery system using same
US5208072A (en) 1988-09-30 1993-05-04 Fmc Corporation Mass treatment of cellulosic materials
US5770148A (en) 1996-01-16 1998-06-23 Preservation Technologies, L.P. Method and apparatus for the deacidification of library materials
DE19921616A1 (de) 1998-11-16 2000-05-18 Zfb Zentrum Fuer Bucherhaltung Entsäuerungsmittel
EP1132431A1 (fr) * 1998-11-13 2001-09-12 Mitsui Chemicals, Inc. Dispersion aqueuse d'un polymere organique et de fines particules inorganiques, ayant une excellente stabilite de dispersion, et utilisation correspondante
WO2003082742A2 (fr) 2002-03-28 2003-10-09 Consorzio Interuniversitario Per Lo Sviluppo Dei Sistemi A Grande Interfase C.S.G.I. Methode de preparation de nanoparticules et de microparticules du groupe ii et d'oxydes et d'hydroxydes de metaux de transition, nanoparticules et microparticules ainsi obtenues et leur utilisation dans les industries de la ceramique, du textile et du papier
US6676856B1 (en) 1998-01-09 2004-01-13 Richard Daniel Smith Deacidification treatment of printed cellulosic materials
US20050042380A1 (en) 2002-01-15 2005-02-24 Piero Baglioni Basic suspension, its preparation and process for paper deacidification
WO2005083176A1 (fr) * 2004-02-27 2005-09-09 Conservacion De Sustratos Celulosicos S.L. Procede de conservation de materiaux cellulosiques
US20090148575A1 (en) * 2004-11-17 2009-06-11 Basf Aktiengesellschaft Packaging material comprising a coating with microcapsules
RO126570A2 (ro) 2010-02-23 2011-08-30 Institutul Naţional De Cercetare-Dezvoltare Pentru Chimie Şi Petrochimie - Icechim Compoziţie şi procedeu de tratare, restaurare chimică şi dezinfecţie biologică a suprafeţei hârtiei istorice cu nanoparticule de hidroxiapatită

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3676182A (en) * 1970-08-31 1972-07-11 Richard Daniel Smith Treatment of cellulosic materials
US5208072A (en) 1988-09-30 1993-05-04 Fmc Corporation Mass treatment of cellulosic materials
US5091111A (en) 1990-09-19 1992-02-25 S. C. Johnson & Son, Inc. Aqueous emulsion and aersol delivery system using same
US5770148A (en) 1996-01-16 1998-06-23 Preservation Technologies, L.P. Method and apparatus for the deacidification of library materials
US6676856B1 (en) 1998-01-09 2004-01-13 Richard Daniel Smith Deacidification treatment of printed cellulosic materials
EP1132431A1 (fr) * 1998-11-13 2001-09-12 Mitsui Chemicals, Inc. Dispersion aqueuse d'un polymere organique et de fines particules inorganiques, ayant une excellente stabilite de dispersion, et utilisation correspondante
DE19921616A1 (de) 1998-11-16 2000-05-18 Zfb Zentrum Fuer Bucherhaltung Entsäuerungsmittel
US20050042380A1 (en) 2002-01-15 2005-02-24 Piero Baglioni Basic suspension, its preparation and process for paper deacidification
AU2003215817A1 (en) 2002-03-28 2003-10-13 Consorzio Interuniversitario Per Lo Sviluppo Dei Sistemi A Grande Interfase C.S.G.I. Process for the preparation of nano- and micro-particles of group ii and transition metals oxides and hydroxides, the nano- and micro-particles thus obtained and their use in the ceramic, textile and paper industries
WO2003082742A2 (fr) 2002-03-28 2003-10-09 Consorzio Interuniversitario Per Lo Sviluppo Dei Sistemi A Grande Interfase C.S.G.I. Methode de preparation de nanoparticules et de microparticules du groupe ii et d'oxydes et d'hydroxydes de metaux de transition, nanoparticules et microparticules ainsi obtenues et leur utilisation dans les industries de la ceramique, du textile et du papier
WO2005083176A1 (fr) * 2004-02-27 2005-09-09 Conservacion De Sustratos Celulosicos S.L. Procede de conservation de materiaux cellulosiques
US20090148575A1 (en) * 2004-11-17 2009-06-11 Basf Aktiengesellschaft Packaging material comprising a coating with microcapsules
RO126570A2 (ro) 2010-02-23 2011-08-30 Institutul Naţional De Cercetare-Dezvoltare Pentru Chimie Şi Petrochimie - Icechim Compoziţie şi procedeu de tratare, restaurare chimică şi dezinfecţie biologică a suprafeţei hârtiei istorice cu nanoparticule de hidroxiapatită

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
BERNARDI, G., HYDROXYAPATITE CHROMATOGRAPHY OF PROTEINS, METHODS ENZYMOL, vol. 22, 1971, pages 32 - 339
GIORGI, R.; BOZZI, C.; DEI GABBIANI, C.; NINHAM, B. W.; BAGLIONI, P., LANGMUIR, vol. 21, 2005, pages 8495 - 8501
GIORGI, R.; DEI, SCHETTINO, L.; BAGLIONI, P: "Preprint of the IIC Baltimore Congress 2002", 2002, article "A new method for deacidification of paper-based on calcium hydroxide dispersed in aqueous environments", pages: 69

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109028229A (zh) * 2018-09-29 2018-12-18 佛山市云米电器科技有限公司 一种带视觉检测模块油烟机的换档方法
CN109342382A (zh) * 2018-11-23 2019-02-15 复旦大学 一种带有pH响应荧光探针的脱酸功能纸的制备方法
CN112206585A (zh) * 2020-10-23 2021-01-12 徐少佐 空调过滤网自动清洗装置
CN113074379A (zh) * 2021-03-30 2021-07-06 龙南鑫坤无机新材料有限公司 一种高温去除氮氧化物设备
CN113074379B (zh) * 2021-03-30 2021-12-31 龙南鑫坤无机新材料有限公司 一种高温去除氮氧化物设备
CN113430863A (zh) * 2021-07-21 2021-09-24 杭州众材科技股份有限公司 一种避免纸张水性脱酸后发生褶皱变形的干燥方法
CN114411446A (zh) * 2022-02-17 2022-04-29 复旦大学 一种脱酸加固抑菌复合功能保护剂及其制备方法与应用
CN116334955A (zh) * 2023-02-17 2023-06-27 甘继东 一种纸张修复装置
CN116334955B (zh) * 2023-02-17 2024-05-03 甘继东 一种纸张修复装置
ES2943162A1 (es) * 2023-03-30 2023-06-09 Univ Pablo De Olavide Composicion para la desacidificacion de materiales celulosicos, metodo y usos

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