Calcium Hydroxide Nanoparticles for Deacidification of Canvas Oil Paintings
| المصدر: | مجلة كلية الآثار |
|---|---|
| الناشر: | جامعة القاهرة - كلية الآثار |
| المؤلف الرئيسي: | Hassan, Mohammad L. (Author) |
| مؤلفين آخرين: | Elfeky, Osama M. (Co-Author) , Ahmed, Nehad S. (Co-Author) |
| المجلد/العدد: | ع23 |
| محكمة: | نعم |
| الدولة: |
مصر |
| التاريخ الميلادي: |
2020
|
| الصفحات: | 47 - 63 |
| DOI: |
10.21608/jarch.2020.102356 |
| ISSN: |
1110-5801 |
| رقم MD: | 1110040 |
| نوع المحتوى: | بحوث ومقالات |
| اللغة: | الإنجليزية |
| قواعد المعلومات: | HumanIndex |
| مواضيع: | |
| كلمات المؤلف المفتاحية: |
Canvas | Cellulose | Calcium Hydroxide | Nanoparticles | Acidification | Deacidification
|
| رابط المحتوى: |
الناشر لهذه المادة لم يسمح بإتاحتها. |
| LEADER | 02287nam a22002537a 4500 | ||
|---|---|---|---|
| 001 | 1851226 | ||
| 024 | |3 10.21608/jarch.2020.102356 | ||
| 041 | |a eng | ||
| 044 | |b مصر | ||
| 100 | |a Hassan, Mohammad L. |e Author |9 597509 | ||
| 245 | |a Calcium Hydroxide Nanoparticles for Deacidification of Canvas Oil Paintings | ||
| 260 | |b جامعة القاهرة - كلية الآثار |c 2020 | ||
| 300 | |a 47 - 63 | ||
| 336 | |a بحوث ومقالات |b Article | ||
| 520 | |b Oil paintings consist of several layers, cellulose is the main components of all types supports of oil painting either it was canvas, paper or wood. The deacidification of canvas oil painting was studied. Cellulose is oxidized by air and hydrolyzed by water vapor, The oxidation process creates acid groups that lower the pH of the canvas which cause the loss of canvas oil paintings mechanical properties. Nanoparticles of Ca(OH)2 can be dispersed in different solvents (e.g. short chain alcohols) and applied on canvas, to balance acidity and long-term protection. The characterization of nanoparticles was carried out by transmission electron microscopy (TEM), regular shape of particles can be seen. Scanning electron microscope (SEM) show stable fiber of cellulose. Canvas samples were artificially aged after deacidification using calcium hydroxide nanoparticles dispersed in short chain alcohols. Cellulose pyrolysis temperature and samples’ pH were evaluated after and before the artificially aging, the applied deacidification treatments raised samples pH to slightly basic values, these values remained constant upon artificial aging. | ||
| 653 | |a اللوحات الزيتية |a جزيئات نانوية |a الحموضة |a السليلوز | ||
| 692 | |b Canvas |b Cellulose |b Calcium Hydroxide |b Nanoparticles |b Acidification |b Deacidification | ||
| 773 | |4 علم الآثار |4 التاريخ |6 Archaeology |6 History |c 009 |e Journal of the Faculty of Archaeology |f Maǧallaẗ Kulliyyaẗ al-Aāṯār |l 023 |m ع23 |o 2219 |s مجلة كلية الآثار |v 000 |x 1110-5801 | ||
| 700 | |9 597512 |a Elfeky, Osama M. |e Co-Author | ||
| 700 | |9 597515 |a Ahmed, Nehad S. |e Co-Author | ||
| 856 | |n https://jarch.journals.ekb.eg/article_102356.html |u 2219-000-023-009.pdf | ||
| 930 | |d n |p y |q n | ||
| 995 | |a HumanIndex | ||
| 999 | |c 1110040 |d 1110040 | ||
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