Insights into the retarding mechanism of linear sodium polyphosphates on the hydration of alpha-calcium sulfate hemihydrate:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
München
Verl. Dr. Hut
2012
|
| Ausgabe: | 1. Aufl. |
| Schriftenreihe: | Bauchemie
|
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | 148 S. Ill., graph. Darst. 210 mm x 148 mm, 251 g |
| ISBN: | 9783843903547 3843903549 |
Internformat
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| 100 | 1 | |a Nilles, Vera |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Insights into the retarding mechanism of linear sodium polyphosphates on the hydration of alpha-calcium sulfate hemihydrate |c Vera L. Nilles |
| 250 | |a 1. Aufl. | ||
| 264 | 1 | |a München |b Verl. Dr. Hut |c 2012 | |
| 300 | |a 148 S. |b Ill., graph. Darst. |c 210 mm x 148 mm, 251 g | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 0 | |a Bauchemie | |
| 502 | |a Zugl.: München, Techn. Univ., Diss., 2012 | ||
| 650 | 0 | 7 | |a Polyphosphate |0 (DE-588)4175289-2 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Gips |0 (DE-588)4132860-7 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Hydratation |0 (DE-588)4193125-7 |2 gnd |9 rswk-swf |
| 655 | 7 | |0 (DE-588)4113937-9 |a Hochschulschrift |2 gnd-content | |
| 689 | 0 | 0 | |a Gips |0 (DE-588)4132860-7 |D s |
| 689 | 0 | 1 | |a Hydratation |0 (DE-588)4193125-7 |D s |
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Datensatz im Suchindex
| _version_ | 1804148959018483712 |
|---|---|
| adam_text | IMAGE 1
TABLE OF CONTENT
1 INTRODUCTION 1
1.1 AIM O F THIS W O R K 4
2 STATE OF RESEARCH 5
2.1 THE SYSTEM CAS0 4 - H 2 0 5
2.1.1 CLASSIFICATION OF PHASES 5
2.1.2 OCCURANCE AND MANUFACTURING 8
2.1.3 HYDRATION OF CALCIUM SULFATE PHASES 9
2.1.3.1 DISSOLUTION AND SUPERSATURATION 10
2.1.3.2 NUCLEATION 13
2.1.3.3 CRYSTAL GROWTH 16
2.1.3.3.1 HABITUSAND MORPHOLOGYOF CRYSTALS 17
2.1.3.4 MACROSCOPIC PROPERTIES 19
2.1.3.5 RATE OF HYDRATION 21
2.1.3.5.1 RETARDERS FOR GYPSUM HYDRATION 22
2.2 SODIUM POLYPHOSPHATES 25
2.2.1 STRUCTURE AND CLASSIFICATION 25
2.2.2 PRODUCTION AND TAILORING 27
2.2.3 PROPERTIES OF POLYPHOSPHATES 31
2.2.3.1 BUFFER CAPACITY 31
2.2.3.2 SEQUESTRATION, THRESHOLD ABILITY AND DISPERSION 32
2.2.3.3 PRECIPITATION, GLASS FORMATION AND CRYSTALLIZATION 33
2.2.4 APPLICATIONS 35
2.2.4.1 WATER TREATMENT 36
2.2.4.2 TISSUE AND BONE ENGINEERING 37
2.2.5 HYDROLYSIS 38
2.2.5.1 MONITORING VIA MOLYBDENUM BLUE METHOD 39
3 RESULTS AND DISCUSSION 43
3.1 CHARACTERIZATION O F MATERIALS 43
3.1.1 A-CALCIUM SULFATE HEMIHYDRATE 4 3
HTTP://D-NB.INFO/1020375663
IMAGE 2
3.1.1.1 CHEMICAL AND PHYSICAL PROPERTIES 43
3.1.2 SODIUM POLYPHOSPHATES 46
3.1.2.1 DETERMINATION OF CHAIN LENGTH 46
3.1.2.1.1 END-GROUP TITRATION AND BACI 2 PRECIPITATION 47
3.1.2.1.2 31P NMR SPECTROSCOPY 49
3.1.2.2 ELEMENTAL ANALYSIS 53
3.1.2.3 IR SPECTROSCOPY 54
3.1.2.4 GENERAL PROPERTIES 56
3.1.3 SUMMARY 58
3.2 INFLUENCE ON THE HYDRATION O F A-CAS04 - % H 2 0 59
3.2.1 RETARDING EFFECT 59
3.2.1.1 HEAT FLOW CALORIMETRY 59
3.2.1.2 MINI SLUMP TEST 62
3.2.1.3 DEGREE OF HYDRATION 63
3.2.1.4 PH VALUE AND PHOSPHATE CONCENTRATION IN PORE SOLUTION 65
3.2.2 EFFECT ON MATERIAL PROPERTIES 6 9
3.2.2.1 MORPHOLOGY OF DIHYDRATE CRYSTALS 69
3.2.2.2 COMPRESSIVE AND BENDING TENSILE STRENGTH 70
3.2.3 SUMMARY 71
3.3 MECHANISM O F RETARDATION 73
3.3.1 INTERACTION OF POLYPHOSPHATES WITH CALCIUM IONS 73
3.3.1.1 PH VALUE AND CONDUCTIVITY 73
3.3.1.2 CALCIUM POLYPHOSPHATE SOL AND PRECIPITATE 77
3.3.1.2.1 YIELD OF PRECIPITATE 82
3.3.1.2.2 CHARACTERIZATION OF PRECIPITATE 85
3.3.1.2.3 FRACTIONATED PRECIPITATION 86
3.3.1.2.4 ALUMINIUM POLYPHOSPHATE HYDROGELS 89
3.3.1.3 SUMMARY 92
3.3.2 IMPACT OF POLYPHOSPHATES ON INDIVIDUAL HYDRATION STEPS 94
3.3.2.1 DISSOLUTION AND SUPERSATURATION 9 4
3.3.2.2 NUCLEATION AND CRYSTAL GROWTH 99
3.3.2.2.1 GYPSUM PRECIPITATION IN ABSENCE OF POLYPHOSPHATES 99
3.3.2.2.2 GYPSUM PRECIPITATION IN PRESENCE O F POLYPHOSPHATES 104
3.3.2.3 MORPHOLOGY OF GYPSUM CRYSTALS 108
3.3.2.4 SUMMARY 111
3.4 CONCLUSION AND OUTLOOK 112
IMAGE 3
4 EXPERIMENTAL 115
4.1 INSTRUMENTATION 115
4.2 CHARACTERIZATION O F MATERIALS 116
4.2.1 CALCIUM SULFATE HEMIHYDRATE 116
4.2.1.1 X-RAY DIFFRACTION 116
4.2.1.2 LASER GRANULOMETRY 116
4.2.1.3 THERMOGRAVIMETRY 116
4.2.2 SODIUM POLYPHOSPHATES 116
4.2.2.1 END-GROUP TITRATION 117
4.2.2.2 RING PHOSPHATE DETERMINATION 117
4.2.2.3 31P NMR SPECTROSCOPY 117
4.2.2.4 HYGROSCOPIC BEHAVIOR 118
4.2.2.5 DIFFERENTAL SCANNING CALORIMETRY (DSC) 119
4.2.2.6 MOLYBDENUM BLUE METHOD 119
4.3 HYDRATION BEHAVIOR AND MATERIAL PROPERTIES 121
4.3.1 HEAT FLOW CALORIMETRY 121
4.3.2 FLOWABILITY 121
4.3.3 DEGREE OF HYDRATION 122
4.3.4 COMPRESSIVE AND BENDING TENSILE STRENGTH 123
4.4 INTERACTIONS BETWEEN POIYPHOSPHATE AND CALCIUM IONS 124
4.4.1 TITRATION EXPERIMENTS 124
4.4.2 PRECIPITATION OF CALCIUM POIYPHOSPHATE 125
4.4.3 FRACTIONATED PRECIPITATION 125
4.4.4 PREPARATION OF ALUMINUMPOLYPHOSPHATE GEL 126
4.4.5 CONDUCTOMETRY 126
4.5 GYPSUM PRECIPITATION 126
4.6 MICROGRAPHS 127
4.6.1.1 OPTICAL LIGHT MICROSCOPY 127
4.6.1.2 SCANNING ELECTRON MICROSCOPY 127
5 LITERATURE 129
|
| any_adam_object | 1 |
| author | Nilles, Vera |
| author_facet | Nilles, Vera |
| author_role | aut |
| author_sort | Nilles, Vera |
| author_variant | v n vn |
| building | Verbundindex |
| bvnumber | BV039977616 |
| classification_tum | BAU 302d CHE 366d |
| ctrlnum | (OCoLC)785857135 (DE-599)DNB1020375663 |
| dewey-full | 666.89 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 666 - Ceramic & allied technologies |
| dewey-raw | 666.89 |
| dewey-search | 666.89 |
| dewey-sort | 3666.89 |
| dewey-tens | 660 - Chemical engineering |
| discipline | Chemie / Pharmazie Chemie Bauingenieurwesen |
| edition | 1. Aufl. |
| format | Thesis Book |
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| genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
| genre_facet | Hochschulschrift |
| id | DE-604.BV039977616 |
| illustrated | Illustrated |
| indexdate | 2024-07-10T00:15:25Z |
| institution | BVB |
| isbn | 9783843903547 3843903549 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-024835015 |
| oclc_num | 785857135 |
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| owner_facet | DE-12 DE-19 DE-BY-UBM DE-91 DE-BY-TUM |
| physical | 148 S. Ill., graph. Darst. 210 mm x 148 mm, 251 g |
| publishDate | 2012 |
| publishDateSearch | 2012 |
| publishDateSort | 2012 |
| publisher | Verl. Dr. Hut |
| record_format | marc |
| series2 | Bauchemie |
| spelling | Nilles, Vera Verfasser aut Insights into the retarding mechanism of linear sodium polyphosphates on the hydration of alpha-calcium sulfate hemihydrate Vera L. Nilles 1. Aufl. München Verl. Dr. Hut 2012 148 S. Ill., graph. Darst. 210 mm x 148 mm, 251 g txt rdacontent n rdamedia nc rdacarrier Bauchemie Zugl.: München, Techn. Univ., Diss., 2012 Polyphosphate (DE-588)4175289-2 gnd rswk-swf Gips (DE-588)4132860-7 gnd rswk-swf Hydratation (DE-588)4193125-7 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Gips (DE-588)4132860-7 s Hydratation (DE-588)4193125-7 s Polyphosphate (DE-588)4175289-2 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024835015&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Nilles, Vera Insights into the retarding mechanism of linear sodium polyphosphates on the hydration of alpha-calcium sulfate hemihydrate Polyphosphate (DE-588)4175289-2 gnd Gips (DE-588)4132860-7 gnd Hydratation (DE-588)4193125-7 gnd |
| subject_GND | (DE-588)4175289-2 (DE-588)4132860-7 (DE-588)4193125-7 (DE-588)4113937-9 |
| title | Insights into the retarding mechanism of linear sodium polyphosphates on the hydration of alpha-calcium sulfate hemihydrate |
| title_auth | Insights into the retarding mechanism of linear sodium polyphosphates on the hydration of alpha-calcium sulfate hemihydrate |
| title_exact_search | Insights into the retarding mechanism of linear sodium polyphosphates on the hydration of alpha-calcium sulfate hemihydrate |
| title_full | Insights into the retarding mechanism of linear sodium polyphosphates on the hydration of alpha-calcium sulfate hemihydrate Vera L. Nilles |
| title_fullStr | Insights into the retarding mechanism of linear sodium polyphosphates on the hydration of alpha-calcium sulfate hemihydrate Vera L. Nilles |
| title_full_unstemmed | Insights into the retarding mechanism of linear sodium polyphosphates on the hydration of alpha-calcium sulfate hemihydrate Vera L. Nilles |
| title_short | Insights into the retarding mechanism of linear sodium polyphosphates on the hydration of alpha-calcium sulfate hemihydrate |
| title_sort | insights into the retarding mechanism of linear sodium polyphosphates on the hydration of alpha calcium sulfate hemihydrate |
| topic | Polyphosphate (DE-588)4175289-2 gnd Gips (DE-588)4132860-7 gnd Hydratation (DE-588)4193125-7 gnd |
| topic_facet | Polyphosphate Gips Hydratation Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=024835015&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT nillesvera insightsintotheretardingmechanismoflinearsodiumpolyphosphatesonthehydrationofalphacalciumsulfatehemihydrate |