{"id":{"repo_id":"greece","oai_identifier":"oai:10442/1281"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/1281","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"ΕΙΣΑΓΩΓΗ ΚΑΙ ΜΕΛΕΤΗ ΜΙΑΣ ΝΕΑΣ ΚΡΙΣΙΜΗΣ ΣΥΓΚΕΝΤΡΩΣΗΣ ΣΤΗ ΠΕΡΙΟΧΗ ΤΩΝ ΑΡΑΙΩΝ ΜΑΚΡΟΜΟΡΙΑΚΩΝ ΔΙΑΛΥΜΑΤΩΝ","abstract":"A VISCOMETRIC STUDY OF TERNARY SYSTEMS POLYMER A - POLYMER B - SOLVENT, WE DETERMINED A NEW CRITICAL CONCETRATION C** WHICH SEPERATE THE DILUTE SOLUTIONS IN TOW REGIMES. THE REGIME OF VERY DILUTE SOLUTIONS C C<C** AND THE REGIME OF DILUTE SOLUTION (C>C**). IT IS PROPOSED A MODEL WHICH DESCRIBE THIS CRITICAL CONCENTRATION. THE INFLUENCES IN THIS CRITICAL CONCENTRATION OF THE SOLVENT, THE TEMPERATURE AND THE PRESENCE OF A COPOLYMER WERE STUDIED. USING VISCOMETRIC METHOD IT IS ALSO DETERMINED AND THE CRITICAL CONCENTRATION C*, WHICH SEPARATES DILUTE FROM THE SEMI- DILUTE SOLUTIONS, FOR TERNARY SYSTEMS. THE TWO CRITICAL CONCENTRATIONS C**, C* ARE COMPARED. THE INFLUENCES OF THE TEMPERATURE AND OF THE HYDRODYNAMIC VOLUME OF THE POLYMERS ON THE CRITICAL CONCENTRATIONS ARE ALSO PRESENTED.","abstract_html":"A VISCOMETRIC STUDY OF TERNARY SYSTEMS POLYMER A - POLYMER B - SOLVENT, WE DETERMINED A NEW CRITICAL CONCETRATION C** WHICH SEPERATE THE DILUTE SOLUTIONS IN TOW REGIMES. THE REGIME OF VERY DILUTE SOLUTIONS C C&lt;C** AND THE REGIME OF DILUTE SOLUTION (C&gt;C**). IT IS PROPOSED A MODEL WHICH DESCRIBE THIS CRITICAL CONCENTRATION. THE INFLUENCES IN THIS CRITICAL CONCENTRATION OF THE SOLVENT, THE TEMPERATURE AND THE PRESENCE OF A COPOLYMER WERE STUDIED. USING VISCOMETRIC METHOD IT IS ALSO DETERMINED AND THE CRITICAL CONCENTRATION C*, WHICH SEPARATES DILUTE FROM THE SEMI- DILUTE SOLUTIONS, FOR TERNARY SYSTEMS. THE TWO CRITICAL CONCENTRATIONS C**, C* ARE COMPARED. THE INFLUENCES OF THE TEMPERATURE AND OF THE HYDRODYNAMIC VOLUME OF THE POLYMERS ON THE CRITICAL CONCENTRATIONS ARE ALSO PRESENTED.","abstract_has_math":false,"creators":["Πιερρή, Ευγενία"],"institution":"Πανεπιστήμιο Πατρών","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1990,"date_issued":"1990","date_published":"1990","updated_at":"2026-07-24T02:24:49Z","subjects":["DETERMINATION OF A NEW CRITICAL CONCENTRATION","Dilute polymer solutions","TERNARY SYSTEMS POLYMER A-POLYMER B- SOLVENT","VISCOMETRIC STUDY","ΑΡΑΙΑ ΜΑΚΡΟΜΟΡΙΑΚΑ ΔΙΑΛΥΜΑΤΑ","ΙΞΩΔΟΜΕΤΡΙΚΗ ΜΕΛΕΤΗ","ΠΡΟΣΔΙΟΡΙΣΜΟΣ ΝΕΑΣ ΚΡΙΣΙΜΗΣ ΣΥΓΚΕΝΤΡΩΣΗΣ","Engineering and Technology","Chemical Engineering","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Χημικού Μηχανικού"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1281"],"render_values":[{"text":"10.12681/eadd/1281","href":"https://doi.org/10.12681/eadd/1281","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/1281","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Πιερρή, Ευγενία"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1990"]},{"key":"dc:publisher","label":"Institution","values":["Πανεπιστήμιο Πατρών","University of Patras"]},{"key":"dc:type","label":"Dc Type","values":["PhD Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["DETERMINATION OF A NEW CRITICAL CONCENTRATION","Dilute polymer solutions","TERNARY SYSTEMS POLYMER A-POLYMER B- SOLVENT","VISCOMETRIC STUDY","ΑΡΑΙΑ ΜΑΚΡΟΜΟΡΙΑΚΑ ΔΙΑΛΥΜΑΤΑ","ΙΞΩΔΟΜΕΤΡΙΚΗ ΜΕΛΕΤΗ","ΠΡΟΣΔΙΟΡΙΣΜΟΣ ΝΕΑΣ ΚΡΙΣΙΜΗΣ ΣΥΓΚΕΝΤΡΩΣΗΣ","Engineering and Technology","Chemical Engineering","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Χημικού Μηχανικού"]}]},{"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/1281","http://hdl.handle.net/10442/hedi/1281"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["A VISCOMETRIC STUDY OF TERNARY SYSTEMS POLYMER A - POLYMER B - SOLVENT, WE DETERMINED A NEW CRITICAL CONCETRATION C** WHICH SEPERATE THE DILUTE SOLUTIONS IN TOW REGIMES. THE REGIME OF VERY DILUTE SOLUTIONS C C<C** AND THE REGIME OF DILUTE SOLUTION (C>C**). IT IS PROPOSED A MODEL WHICH DESCRIBE THIS CRITICAL CONCENTRATION. THE INFLUENCES IN THIS CRITICAL CONCENTRATION OF THE SOLVENT, THE TEMPERATURE AND THE PRESENCE OF A COPOLYMER WERE STUDIED. USING VISCOMETRIC METHOD IT IS ALSO DETERMINED AND THE CRITICAL CONCENTRATION C*, WHICH SEPARATES DILUTE FROM THE SEMI- DILUTE SOLUTIONS, FOR TERNARY SYSTEMS. THE TWO CRITICAL CONCENTRATIONS C**, C* ARE COMPARED. THE INFLUENCES OF THE TEMPERATURE AND OF THE HYDRODYNAMIC VOLUME OF THE POLYMERS ON THE CRITICAL CONCENTRATIONS ARE ALSO PRESENTED.","ΜΕ ΙΞΩΔΟΜΕΤΡΙΚΗ ΜΕΛΕΤΗ ΤΡΙΜΕΡΩΝ ΣΥΣΤΗΜΑΤΩΝ ΠΟΛΥΜΕΡΕΣ Α - ΠΟΛΥΜΕΡΕΣ Β - ΔΙΑΛΥΤΗΣΠΡΟΣΔΙΟΡΙΖΕΤΑΙ ΜΙΑ ΝΕΑ ΚΡΙΣΙΜΗ ΣΥΓΚΕΝΤΡΩΣΗ C**. Ο ΠΡΟΣΔΙΟΡΙΣΜΟΣ ΑΥΤΗΣ ΤΗΣ ΚΡΙΣΙΜΗΣ ΣΥΓΚΕΝΤΡΩΣΗΣ ΕΠΙΤΡΕΠΕΙ ΤΟΝ ΧΩΡΙΣΜΟ ΤΩΝ ΜΑΚΡΟΜΟΡΙΑΚΩΝ ΔΙΑΛΥΜΑΤΩΝ ΣΕ ΛΙΑΝ ΑΡΑΙΑ ΚΑΙ ΑΡΑΙΑ ΜΑΚΡΟΜΟΡΙΑΚΑ ΔΙΑΛΥΜΑΤΑ. ΛΙΑΝ ΑΡΑΙΑ (C<C**) ΑΡΑΙΑ (C>C**). ΠΡΟΤΕΙΝΕΤΑΙ ΕΝΑ ΜΟΝΤΕΛΟ ΤΟ ΟΠΟΙΟ ΠΕΡΙΓΡΑΦΕΙ ΤΗΝ ΚΡΙΣΙΜΗ ΑΥΤΗ ΣΥΓΚΕΝΤΡΩΣΗ. ΜΕΛΕΤΑΤΑΙ Η ΕΠΙΔΡΑΣΗ ΤΟΥ ΔΙΑΛΥΤΗ ΤΗΣ ΘΕΡΜΟΚΡΑΣΙΑΣ ΚΑΙ Η ΠΑΡΟΥΣΙΑ ΕΝΟΣ ΣΤΑΤΙΣΤΙΚΟΥ ΣΥΜΠΟΛΥΜΕΡΟΥΣ ΕΠΙ ΤΗΣ C**. ΙΞΩΔΟΜΕΤΡΙΚΑ ΕΠΙΣΗΣ ΠΡΟΣΔΙΟΡΙΖΕΤΑΙ ΚΑΙ Η C* Η ΚΡΙΣΙΜΗ ΔΗΛΑΔΗ ΣΥΓΚΕΝΤΡΩΣΗ Η ΟΠΟΙΑ ΧΩΡΙΖΕΙ ΤΑ ΑΡΑΙΑ ΑΠΟ ΤΑ ΗΜΙ-ΑΡΑΙΑ ΔΙΑΛΥΜΑΤΑ. Ο ΠΡΟΣΔΙΟΡΙΣΜΟΣ ΑΥΤΟΣ ΕΓΙΝΕ ΓΙΑ ΤΡΙΜΕΡΗ ΣΥΣΤΗΜΑΤΑ. ΟΙ ΔΥΟ ΚΡΙΣΙΜΕΣ ΣΥΓΚΕΝΤΡΩΣΕΙΣ ΣΥΓΚΡΙΘΗΚΑΝ ΚΑΙ ΔΙΑΠΙΣΤΩΘΗΚΕ Η ΕΠΙΔΡΑΣΗ ΤΗΣ ΘΕΡΜΟΚΡΑΣΙΑΣ."]},{"key":"dc:title","label":"Title","values":["ΕΙΣΑΓΩΓΗ ΚΑΙ ΜΕΛΕΤΗ ΜΙΑΣ ΝΕΑΣ ΚΡΙΣΙΜΗΣ ΣΥΓΚΕΝΤΡΩΣΗΣ ΣΤΗ ΠΕΡΙΟΧΗ ΤΩΝ ΑΡΑΙΩΝ ΜΑΚΡΟΜΟΡΙΑΚΩΝ ΔΙΑΛΥΜΑΤΩΝ","INTRODUCTION AND STUDY OF A NEW CRITICAL CONCENTRATION IN THE REGIME OF DILUTE POLYMER SOLUTIONS"]}]}],"canonical_facts":{"dc:creator":["Πιερρή, Ευγενία"],"dc:date":["1990"],"dc:description":["A VISCOMETRIC STUDY OF TERNARY SYSTEMS POLYMER A - POLYMER B - SOLVENT, WE DETERMINED A NEW CRITICAL CONCETRATION C** WHICH SEPERATE THE DILUTE SOLUTIONS IN TOW REGIMES. THE REGIME OF VERY DILUTE SOLUTIONS C C<C** AND THE REGIME OF DILUTE SOLUTION (C>C**). IT IS PROPOSED A MODEL WHICH DESCRIBE THIS CRITICAL CONCENTRATION. THE INFLUENCES IN THIS CRITICAL CONCENTRATION OF THE SOLVENT, THE TEMPERATURE AND THE PRESENCE OF A COPOLYMER WERE STUDIED. USING VISCOMETRIC METHOD IT IS ALSO DETERMINED AND THE CRITICAL CONCENTRATION C*, WHICH SEPARATES DILUTE FROM THE SEMI- DILUTE SOLUTIONS, FOR TERNARY SYSTEMS. THE TWO CRITICAL CONCENTRATIONS C**, C* ARE COMPARED. THE INFLUENCES OF THE TEMPERATURE AND OF THE HYDRODYNAMIC VOLUME OF THE POLYMERS ON THE CRITICAL CONCENTRATIONS ARE ALSO PRESENTED.","ΜΕ ΙΞΩΔΟΜΕΤΡΙΚΗ ΜΕΛΕΤΗ ΤΡΙΜΕΡΩΝ ΣΥΣΤΗΜΑΤΩΝ ΠΟΛΥΜΕΡΕΣ Α - ΠΟΛΥΜΕΡΕΣ Β - ΔΙΑΛΥΤΗΣΠΡΟΣΔΙΟΡΙΖΕΤΑΙ ΜΙΑ ΝΕΑ ΚΡΙΣΙΜΗ ΣΥΓΚΕΝΤΡΩΣΗ C**. Ο ΠΡΟΣΔΙΟΡΙΣΜΟΣ ΑΥΤΗΣ ΤΗΣ ΚΡΙΣΙΜΗΣ ΣΥΓΚΕΝΤΡΩΣΗΣ ΕΠΙΤΡΕΠΕΙ ΤΟΝ ΧΩΡΙΣΜΟ ΤΩΝ ΜΑΚΡΟΜΟΡΙΑΚΩΝ ΔΙΑΛΥΜΑΤΩΝ ΣΕ ΛΙΑΝ ΑΡΑΙΑ ΚΑΙ ΑΡΑΙΑ ΜΑΚΡΟΜΟΡΙΑΚΑ ΔΙΑΛΥΜΑΤΑ. ΛΙΑΝ ΑΡΑΙΑ (C<C**) ΑΡΑΙΑ (C>C**). ΠΡΟΤΕΙΝΕΤΑΙ ΕΝΑ ΜΟΝΤΕΛΟ ΤΟ ΟΠΟΙΟ ΠΕΡΙΓΡΑΦΕΙ ΤΗΝ ΚΡΙΣΙΜΗ ΑΥΤΗ ΣΥΓΚΕΝΤΡΩΣΗ. ΜΕΛΕΤΑΤΑΙ Η ΕΠΙΔΡΑΣΗ ΤΟΥ ΔΙΑΛΥΤΗ ΤΗΣ ΘΕΡΜΟΚΡΑΣΙΑΣ ΚΑΙ Η ΠΑΡΟΥΣΙΑ ΕΝΟΣ ΣΤΑΤΙΣΤΙΚΟΥ ΣΥΜΠΟΛΥΜΕΡΟΥΣ ΕΠΙ ΤΗΣ C**. ΙΞΩΔΟΜΕΤΡΙΚΑ ΕΠΙΣΗΣ ΠΡΟΣΔΙΟΡΙΖΕΤΑΙ ΚΑΙ Η C* Η ΚΡΙΣΙΜΗ ΔΗΛΑΔΗ ΣΥΓΚΕΝΤΡΩΣΗ Η ΟΠΟΙΑ ΧΩΡΙΖΕΙ ΤΑ ΑΡΑΙΑ ΑΠΟ ΤΑ ΗΜΙ-ΑΡΑΙΑ ΔΙΑΛΥΜΑΤΑ. Ο ΠΡΟΣΔΙΟΡΙΣΜΟΣ ΑΥΤΟΣ ΕΓΙΝΕ ΓΙΑ ΤΡΙΜΕΡΗ ΣΥΣΤΗΜΑΤΑ. ΟΙ ΔΥΟ ΚΡΙΣΙΜΕΣ ΣΥΓΚΕΝΤΡΩΣΕΙΣ ΣΥΓΚΡΙΘΗΚΑΝ ΚΑΙ ΔΙΑΠΙΣΤΩΘΗΚΕ Η ΕΠΙΔΡΑΣΗ ΤΗΣ ΘΕΡΜΟΚΡΑΣΙΑΣ."],"dc:identifier":["10.12681/eadd/1281","http://hdl.handle.net/10442/hedi/1281"],"dc:language":["gre"],"dc:publisher":["Πανεπιστήμιο Πατρών","University of Patras"],"dc:subject":["DETERMINATION OF A NEW CRITICAL CONCENTRATION","Dilute polymer solutions","TERNARY SYSTEMS POLYMER A-POLYMER B- SOLVENT","VISCOMETRIC STUDY","ΑΡΑΙΑ ΜΑΚΡΟΜΟΡΙΑΚΑ ΔΙΑΛΥΜΑΤΑ","ΙΞΩΔΟΜΕΤΡΙΚΗ ΜΕΛΕΤΗ","ΠΡΟΣΔΙΟΡΙΣΜΟΣ ΝΕΑΣ ΚΡΙΣΙΜΗΣ ΣΥΓΚΕΝΤΡΩΣΗΣ","Engineering and Technology","Chemical Engineering","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Χημικού Μηχανικού"],"dc:title":["ΕΙΣΑΓΩΓΗ ΚΑΙ ΜΕΛΕΤΗ ΜΙΑΣ ΝΕΑΣ ΚΡΙΣΙΜΗΣ ΣΥΓΚΕΝΤΡΩΣΗΣ ΣΤΗ ΠΕΡΙΟΧΗ ΤΩΝ ΑΡΑΙΩΝ ΜΑΚΡΟΜΟΡΙΑΚΩΝ ΔΙΑΛΥΜΑΤΩΝ","INTRODUCTION AND STUDY OF A NEW CRITICAL CONCENTRATION IN THE REGIME OF DILUTE POLYMER SOLUTIONS"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:24:49Z"}