{"id":{"repo_id":"greece","oai_identifier":"oai:10442/0457"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/0457","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"ΠΡΟΣΤΑΣΙΑ ΚΑΤΑΣΚΕΥΩΝ ΑΠΟ ΜΑΡΜΑΡΟ ΜΕ ΧΑΛΑΡΑ ΣΥΝΔΕΔΕΜΕΝΑ ΦΙΛΜ ΠΟΛΥΜΕΡΩΝ","abstract":"IN THIS WORK, WE INVESTIGATE THE PROTECTIVE EFFICIENCY, IN RESPECT TO MARBLE CONSTRUCTIONS, OF LOOSELY ATTACHED POLYMER FILMS. FOR THE EVALUATION OF THE EFFICIENCY OF THE MATERIALS TESTED, THE ATTACK IN BARE AND PROTECTED SPECIMENS WERE STUDIED IN SEVERE LABORATORY CONDITIONS (HIGH CONCENTRATION OF SO2). THE ATTACKIN BARE MARBLE SPECIMENS EXPOSED FOR A LONG PERIOD IN A POLLUTED URBAN ATMOSPHERE WAS ALSO STUDIED. THE CORRELATION OF THE RESULTS DERIVED FROM LABORATORY TESTS AND ENVIRONMENTAL ATTACK, CANNOT BE RELIABLE MAINLY DUE TO THE DIFFERENT CHEMICAL CHARACTER OF THE REACTION PRODUCTS (CASO3.K2H2O AND CASO4.2H2O RESPECTIVELY). BEST RESULTS, AMONG THE POLYMERS TESTED GAVE THE FILMS OF PVDC, PTFCE, AND CELL/LDPE, LOWERING FOR AT LEAST 100 TIMES THE ATTACK. THE USE OF LOOSELY ATTACHED POLYMER FILMS CAN OFFER SUFFICIENT PROTECTION FOR MANY YEARS IN A MONUMENT, SIMULTANEOUSLY COMBINING THE ADVANTAGE OF REVERSIBILITY. THE VERSATILITY IN THE POLYMER SELECTION AND MODIFICATION ALLOW THE SOLUTION OF PROBLEMS ARISING FROM REQUIREMENTS OF MECHANICAL, AESTHETICAL AND OPERATIONAL CHARACTER.","abstract_html":"IN THIS WORK, WE INVESTIGATE THE PROTECTIVE EFFICIENCY, IN RESPECT TO MARBLE CONSTRUCTIONS, OF LOOSELY ATTACHED POLYMER FILMS. FOR THE EVALUATION OF THE EFFICIENCY OF THE MATERIALS TESTED, THE ATTACK IN BARE AND PROTECTED SPECIMENS WERE STUDIED IN SEVERE LABORATORY CONDITIONS (HIGH CONCENTRATION OF SO2). THE ATTACKIN BARE MARBLE SPECIMENS EXPOSED FOR A LONG PERIOD IN A POLLUTED URBAN ATMOSPHERE WAS ALSO STUDIED. THE CORRELATION OF THE RESULTS DERIVED FROM LABORATORY TESTS AND ENVIRONMENTAL ATTACK, CANNOT BE RELIABLE MAINLY DUE TO THE DIFFERENT CHEMICAL CHARACTER OF THE REACTION PRODUCTS (CASO3.K2H2O AND CASO4.2H2O RESPECTIVELY). BEST RESULTS, AMONG THE POLYMERS TESTED GAVE THE FILMS OF PVDC, PTFCE, AND CELL/LDPE, LOWERING FOR AT LEAST 100 TIMES THE ATTACK. THE USE OF LOOSELY ATTACHED POLYMER FILMS CAN OFFER SUFFICIENT PROTECTION FOR MANY YEARS IN A MONUMENT, SIMULTANEOUSLY COMBINING THE ADVANTAGE OF REVERSIBILITY. THE VERSATILITY IN THE POLYMER SELECTION AND MODIFICATION ALLOW THE SOLUTION OF PROBLEMS ARISING FROM REQUIREMENTS OF MECHANICAL, AESTHETICAL AND OPERATIONAL CHARACTER.","abstract_has_math":false,"creators":["Πετσάλας, Ηρακλής"],"institution":"National Technical University of Athens (NTUA)","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1986,"date_issued":"1986","date_published":"1986","updated_at":"2026-07-24T02:25:17Z","subjects":["Ρύπανση, Ατμοσφαιρική","Πολυμερή","ΠΟΛΥΜΕΡΗ ΕΠΙΚΑΛΥΠΤΙΚΑ","ΠΟΛΥΜΕΡΗ ΦΙΛΜ","ΠΡΟΣΒΟΛΗ ΜΑΡΜΑΡΟΥ","Προστασία μνημείων","Atmospheric pollution","MARBLE DETERIORATION","Polymer coatings","Polymer films","Polymers","Protection of monuments","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Χημικού Μηχανικού","Engineering and Technology","Chemical Engineering"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/0457"],"render_values":[{"text":"10.12681/eadd/0457","href":"https://doi.org/10.12681/eadd/0457","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/0457","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Πετσάλας, Ηρακλής"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1986"]},{"key":"dc:publisher","label":"Institution","values":["National Technical University of Athens (NTUA)","Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)"]},{"key":"dc:type","label":"Dc Type","values":["PhD Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Ρύπανση, Ατμοσφαιρική","Πολυμερή","ΠΟΛΥΜΕΡΗ ΕΠΙΚΑΛΥΠΤΙΚΑ","ΠΟΛΥΜΕΡΗ ΦΙΛΜ","ΠΡΟΣΒΟΛΗ ΜΑΡΜΑΡΟΥ","Προστασία μνημείων","Atmospheric pollution","MARBLE DETERIORATION","Polymer coatings","Polymer films","Polymers","Protection of monuments","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Χημικού Μηχανικού","Engineering and Technology","Chemical Engineering"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["gre"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/0457","http://hdl.handle.net/10442/hedi/0457"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["IN THIS WORK, WE INVESTIGATE THE PROTECTIVE EFFICIENCY, IN RESPECT TO MARBLE CONSTRUCTIONS, OF LOOSELY ATTACHED POLYMER FILMS. FOR THE EVALUATION OF THE EFFICIENCY OF THE MATERIALS TESTED, THE ATTACK IN BARE AND PROTECTED SPECIMENS WERE STUDIED IN SEVERE LABORATORY CONDITIONS (HIGH CONCENTRATION OF SO2). THE ATTACKIN BARE MARBLE SPECIMENS EXPOSED FOR A LONG PERIOD IN A POLLUTED URBAN ATMOSPHERE WAS ALSO STUDIED. THE CORRELATION OF THE RESULTS DERIVED FROM LABORATORY TESTS AND ENVIRONMENTAL ATTACK, CANNOT BE RELIABLE MAINLY DUE TO THE DIFFERENT CHEMICAL CHARACTER OF THE REACTION PRODUCTS (CASO3.K2H2O AND CASO4.2H2O RESPECTIVELY). BEST RESULTS, AMONG THE POLYMERS TESTED GAVE THE FILMS OF PVDC, PTFCE, AND CELL/LDPE, LOWERING FOR AT LEAST 100 TIMES THE ATTACK. THE USE OF LOOSELY ATTACHED POLYMER FILMS CAN OFFER SUFFICIENT PROTECTION FOR MANY YEARS IN A MONUMENT, SIMULTANEOUSLY COMBINING THE ADVANTAGE OF REVERSIBILITY. THE VERSATILITY IN THE POLYMER SELECTION AND MODIFICATION ALLOW THE SOLUTION OF PROBLEMS ARISING FROM REQUIREMENTS OF MECHANICAL, AESTHETICAL AND OPERATIONAL CHARACTER.","ΣΤΗΝ ΕΡΓΑΣΙΑ ΑΥΤΗ ΕΞΕΤΑΖΕΤΑΙ Η ΑΠΟΤΕΛΕΣΜΑΤΙΚΟΤΗΤΑ ΧΑΛΑΡΑ ΣΥΝΔΕΔΕΜΕΝΩΝ ΦΙΛΜ ΠΟΛΥΜΕΡΩΝ, (ΔΗΛΑΔΗ, ΦΙΛΜ ΜΕ ΜΗΔΕΝΙΚΟ ΣΥΓΚΟΛΛΗΤΙΚΟ ΔΕΣΜΟ ΜΕ ΤΟ ΜΑΡΜΑΡΟ) ΓΙΑ ΤΗΝ ΠΡΟΣΤΑΣΙΑ ΚΑΤΑΣΚΕΥΩΝ ΑΠΟ ΜΑΡΜΑΡΟ. ΓΙΑ ΤΗΝ ΕΚΤΙΜΗΣΗ ΤΗΣ ΑΠΟΤΕΛΕΣΜΑΤΙΚΟΤΗΤΑΣ ΤΩΝ ΥΛΙΚΩΝ ΠΟΥ ΕΞΕΤΑΣΘΗΚΑΝ, ΜΕΛΕΤΗΘΗΚΕ Η ΠΡΟΣΒΟΛΗ ΓΥΜΝΩΝ ΚΑΙ ΠΡΟΣΤΑΤΕΥΜΕΝΩΝ ΔΟΚΙΜΙΩΝ ΜΑΡΜΑΡΟΥ ΣΕ ΕΝΤΑΤΙΚΕΣ ΕΡΓΑΣΤΗΡΙΑΚΕΣ ΣΥΝΘΗΚΕΣ (ΥΨΗΛΗ ΣΥΓΚΕΝΤΡΩΣΗ SO2) ΚΑΙ Η ΠΡΟΣΒΟΛΗ ΓΥΜΝΩΝ ΔΟΚΙΜΙΩΝ ΜΑΡΜΑΡΟΥ, ΕΚΤΕΘΕΙΜΕΝΩΝ ΕΠΙ ΜΑΚΡΟΝ ΧΡΟΝΟ ΣΕ ΡΥΠΑΣΜΕΝΟ ΑΣΤΙΚΟ ΠΕΡΙΒΑΛΛΟΝ. Η ΣΥΣΧΕΤΙΣΗ ΤΩΝ ΑΠΟΤΕΛΕΣΜΑΤΩΝ ΕΝΤΑΤΙΚΗΣ ΕΡΓΑΣΤΗΡΙΑΚΗΣ ΠΡΟΣΒΟΛΗΣ ΜΕ ΤΑ ΑΠΟΤΕΛΕΣΜΑΤΑ ΥΠΑΙΘΡΙΑΣ ΕΚΘΕΣΗΣ ΕΙΝΑΙ ΜΕΙΩΜΕΝΗΣ ΑΞΙΟΠΙΣΤΙΑΣ, ΒΑΣΙΚΑ ΛΟΓΩ ΔΙΑΦΟΡΕΤΙΚΩΝ ΠΡΟΙΟΝΤΩΝ ΠΡΟΒΟΛΗΣ ΣΤΙΣ ΔΥΟ ΠΕΡΙΠΤΩΣΕΙΣ (CASO31/2H2O ΚΑΙ CASO4.2H2O ΑΝΤΙΣΤΟΙΧΑ). ΤΑ ΚΑΛΥΤΕΡΑ ΑΠΟΤΕΛΕΣΜΑΤΑ ΑΠΟ ΤΑ ΠΟΛΥΜΕΡΗ ΠΟΥ ΕΞΕΤΑΣΘΗΚΑΝ ΕΔΩΣΑΝ ΤΑ ΦΙΛΜ PVDC, PTFCE ΚΑΙ CELL/LDPE, ΜΕ ΤΑ ΟΠΟΙΑ ΕΠΙΤΥΓΧΑΝΕΤΑΙ ΜΕΙΩΣΗ ΤΟΥ ΡΥΘΜΟΥ ΠΡΟΣΒΟΛΗΣ ΚΑΤΑ 100 ΦΟΡΕΣ ΤΟΥΛΑΧΙΣΤΟΝ. ΜΕ ΤΗΝ ΧΡΗΣΙΜΟΠΟΙΗΣΗ ΧΑΛΑΡΑ ΣΥΝΔΕΔΕΜΕΝΩΝ ΦΙΛΜΠΟΛΥΜΕΡΩΝ ΕΠΙΤΥΓΧΑΝΕΤΑΙ Η ΑΝΤΙΣΤΡΕΠΤΟΤΗΤΑ ΤΗΣ ΕΠΕΜΒΑΣΗΣ, ΕΝΩ ΟΙ ΥΦΙΣΤΑΜΕΝΕΣ ΔΥΝΑΤΟΤΗΤΕΣ ΕΠΙΛΟΓΗΣ ΕΙΔΟΥΣ ΠΟΛΥΜΕΡΟΥΣ ΚΑΙ ΤΡΟΠΟΠΟΙΗΣΕΩΝ ΤΟΥ ΕΠΙΤΡΕΠΟΥΝ ΤΗΝ ΕΠΙΛΥΣΗ ΤΩΝ ΠΡΟΒΛΗΜΑΤΩΝ ΠΟΥ ΔΗΜΙΟΥΡΓΟΥΝΤΑΙ ΑΠΟ ΤΙΣ ΑΠΑΙΤΗΣΕΙΣ ΜΗΧΑΝΙΚΩΝ ΑΝΤΟΧΩΝ ΑΙΣΘΗΤΙΚΗΣ ΚΑΙ ΛΕΙΤΟΥΡΓΙΚΟΤΗΤΑΣ."]},{"key":"dc:title","label":"Title","values":["ΠΡΟΣΤΑΣΙΑ ΚΑΤΑΣΚΕΥΩΝ ΑΠΟ ΜΑΡΜΑΡΟ ΜΕ ΧΑΛΑΡΑ ΣΥΝΔΕΔΕΜΕΝΑ ΦΙΛΜ ΠΟΛΥΜΕΡΩΝ","PROTECTION OF MARBLE CONSTRUCTIONS WITH LOOSELY ATTACHED POLYMER FILMS"]}]}],"canonical_facts":{"dc:creator":["Πετσάλας, Ηρακλής"],"dc:date":["1986"],"dc:description":["IN THIS WORK, WE INVESTIGATE THE PROTECTIVE EFFICIENCY, IN RESPECT TO MARBLE CONSTRUCTIONS, OF LOOSELY ATTACHED POLYMER FILMS. FOR THE EVALUATION OF THE EFFICIENCY OF THE MATERIALS TESTED, THE ATTACK IN BARE AND PROTECTED SPECIMENS WERE STUDIED IN SEVERE LABORATORY CONDITIONS (HIGH CONCENTRATION OF SO2). THE ATTACKIN BARE MARBLE SPECIMENS EXPOSED FOR A LONG PERIOD IN A POLLUTED URBAN ATMOSPHERE WAS ALSO STUDIED. THE CORRELATION OF THE RESULTS DERIVED FROM LABORATORY TESTS AND ENVIRONMENTAL ATTACK, CANNOT BE RELIABLE MAINLY DUE TO THE DIFFERENT CHEMICAL CHARACTER OF THE REACTION PRODUCTS (CASO3.K2H2O AND CASO4.2H2O RESPECTIVELY). BEST RESULTS, AMONG THE POLYMERS TESTED GAVE THE FILMS OF PVDC, PTFCE, AND CELL/LDPE, LOWERING FOR AT LEAST 100 TIMES THE ATTACK. THE USE OF LOOSELY ATTACHED POLYMER FILMS CAN OFFER SUFFICIENT PROTECTION FOR MANY YEARS IN A MONUMENT, SIMULTANEOUSLY COMBINING THE ADVANTAGE OF REVERSIBILITY. THE VERSATILITY IN THE POLYMER SELECTION AND MODIFICATION ALLOW THE SOLUTION OF PROBLEMS ARISING FROM REQUIREMENTS OF MECHANICAL, AESTHETICAL AND OPERATIONAL CHARACTER.","ΣΤΗΝ ΕΡΓΑΣΙΑ ΑΥΤΗ ΕΞΕΤΑΖΕΤΑΙ Η ΑΠΟΤΕΛΕΣΜΑΤΙΚΟΤΗΤΑ ΧΑΛΑΡΑ ΣΥΝΔΕΔΕΜΕΝΩΝ ΦΙΛΜ ΠΟΛΥΜΕΡΩΝ, (ΔΗΛΑΔΗ, ΦΙΛΜ ΜΕ ΜΗΔΕΝΙΚΟ ΣΥΓΚΟΛΛΗΤΙΚΟ ΔΕΣΜΟ ΜΕ ΤΟ ΜΑΡΜΑΡΟ) ΓΙΑ ΤΗΝ ΠΡΟΣΤΑΣΙΑ ΚΑΤΑΣΚΕΥΩΝ ΑΠΟ ΜΑΡΜΑΡΟ. ΓΙΑ ΤΗΝ ΕΚΤΙΜΗΣΗ ΤΗΣ ΑΠΟΤΕΛΕΣΜΑΤΙΚΟΤΗΤΑΣ ΤΩΝ ΥΛΙΚΩΝ ΠΟΥ ΕΞΕΤΑΣΘΗΚΑΝ, ΜΕΛΕΤΗΘΗΚΕ Η ΠΡΟΣΒΟΛΗ ΓΥΜΝΩΝ ΚΑΙ ΠΡΟΣΤΑΤΕΥΜΕΝΩΝ ΔΟΚΙΜΙΩΝ ΜΑΡΜΑΡΟΥ ΣΕ ΕΝΤΑΤΙΚΕΣ ΕΡΓΑΣΤΗΡΙΑΚΕΣ ΣΥΝΘΗΚΕΣ (ΥΨΗΛΗ ΣΥΓΚΕΝΤΡΩΣΗ SO2) ΚΑΙ Η ΠΡΟΣΒΟΛΗ ΓΥΜΝΩΝ ΔΟΚΙΜΙΩΝ ΜΑΡΜΑΡΟΥ, ΕΚΤΕΘΕΙΜΕΝΩΝ ΕΠΙ ΜΑΚΡΟΝ ΧΡΟΝΟ ΣΕ ΡΥΠΑΣΜΕΝΟ ΑΣΤΙΚΟ ΠΕΡΙΒΑΛΛΟΝ. Η ΣΥΣΧΕΤΙΣΗ ΤΩΝ ΑΠΟΤΕΛΕΣΜΑΤΩΝ ΕΝΤΑΤΙΚΗΣ ΕΡΓΑΣΤΗΡΙΑΚΗΣ ΠΡΟΣΒΟΛΗΣ ΜΕ ΤΑ ΑΠΟΤΕΛΕΣΜΑΤΑ ΥΠΑΙΘΡΙΑΣ ΕΚΘΕΣΗΣ ΕΙΝΑΙ ΜΕΙΩΜΕΝΗΣ ΑΞΙΟΠΙΣΤΙΑΣ, ΒΑΣΙΚΑ ΛΟΓΩ ΔΙΑΦΟΡΕΤΙΚΩΝ ΠΡΟΙΟΝΤΩΝ ΠΡΟΒΟΛΗΣ ΣΤΙΣ ΔΥΟ ΠΕΡΙΠΤΩΣΕΙΣ (CASO31/2H2O ΚΑΙ CASO4.2H2O ΑΝΤΙΣΤΟΙΧΑ). ΤΑ ΚΑΛΥΤΕΡΑ ΑΠΟΤΕΛΕΣΜΑΤΑ ΑΠΟ ΤΑ ΠΟΛΥΜΕΡΗ ΠΟΥ ΕΞΕΤΑΣΘΗΚΑΝ ΕΔΩΣΑΝ ΤΑ ΦΙΛΜ PVDC, PTFCE ΚΑΙ CELL/LDPE, ΜΕ ΤΑ ΟΠΟΙΑ ΕΠΙΤΥΓΧΑΝΕΤΑΙ ΜΕΙΩΣΗ ΤΟΥ ΡΥΘΜΟΥ ΠΡΟΣΒΟΛΗΣ ΚΑΤΑ 100 ΦΟΡΕΣ ΤΟΥΛΑΧΙΣΤΟΝ. ΜΕ ΤΗΝ ΧΡΗΣΙΜΟΠΟΙΗΣΗ ΧΑΛΑΡΑ ΣΥΝΔΕΔΕΜΕΝΩΝ ΦΙΛΜΠΟΛΥΜΕΡΩΝ ΕΠΙΤΥΓΧΑΝΕΤΑΙ Η ΑΝΤΙΣΤΡΕΠΤΟΤΗΤΑ ΤΗΣ ΕΠΕΜΒΑΣΗΣ, ΕΝΩ ΟΙ ΥΦΙΣΤΑΜΕΝΕΣ ΔΥΝΑΤΟΤΗΤΕΣ ΕΠΙΛΟΓΗΣ ΕΙΔΟΥΣ ΠΟΛΥΜΕΡΟΥΣ ΚΑΙ ΤΡΟΠΟΠΟΙΗΣΕΩΝ ΤΟΥ ΕΠΙΤΡΕΠΟΥΝ ΤΗΝ ΕΠΙΛΥΣΗ ΤΩΝ ΠΡΟΒΛΗΜΑΤΩΝ ΠΟΥ ΔΗΜΙΟΥΡΓΟΥΝΤΑΙ ΑΠΟ ΤΙΣ ΑΠΑΙΤΗΣΕΙΣ ΜΗΧΑΝΙΚΩΝ ΑΝΤΟΧΩΝ ΑΙΣΘΗΤΙΚΗΣ ΚΑΙ ΛΕΙΤΟΥΡΓΙΚΟΤΗΤΑΣ."],"dc:identifier":["10.12681/eadd/0457","http://hdl.handle.net/10442/hedi/0457"],"dc:language":["gre"],"dc:publisher":["National Technical University of Athens (NTUA)","Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)"],"dc:subject":["Ρύπανση, Ατμοσφαιρική","Πολυμερή","ΠΟΛΥΜΕΡΗ ΕΠΙΚΑΛΥΠΤΙΚΑ","ΠΟΛΥΜΕΡΗ ΦΙΛΜ","ΠΡΟΣΒΟΛΗ ΜΑΡΜΑΡΟΥ","Προστασία μνημείων","Atmospheric pollution","MARBLE DETERIORATION","Polymer coatings","Polymer films","Polymers","Protection of monuments","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Χημικού Μηχανικού","Engineering and Technology","Chemical Engineering"],"dc:title":["ΠΡΟΣΤΑΣΙΑ ΚΑΤΑΣΚΕΥΩΝ ΑΠΟ ΜΑΡΜΑΡΟ ΜΕ ΧΑΛΑΡΑ ΣΥΝΔΕΔΕΜΕΝΑ ΦΙΛΜ ΠΟΛΥΜΕΡΩΝ","PROTECTION OF MARBLE CONSTRUCTIONS WITH LOOSELY ATTACHED POLYMER FILMS"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:25:17Z"}