In recent years, the focus in civil engineering has noticeably shifted towards the development of innovative technologies and materials. Despite the promotion of the use of materials based on alternative and renewable raw materials, the significance of polymeric and polymer-modified materials has always increased and will continue to gain further importance in the future due to their considerably variable and unique universal properties. The complex interaction with traditional building materials as well as economic and ecological aspects requires a profound expertise and special fundamental research with respect to new innovative properties and their qualitative and quantitative changes such as suitability, durability, and applicability. Likewise, practice-oriented topics from the fields of new construction, renovation, and repair are pursued.
In the scope of basic research, the Chair of Construction Chemistry and Polymer Materials focusses on the investigation of interactions in inorganic and organic material systems. This includes the interaction of conventional petrochemical-based polymers as well as the behavior of bio-based materials in mineral systems. A further focus is the analysis of influences of microstructure on the durability as well as the load-dependent and load-independent mechanical properties of polymer-modified mortars and concretes. Simultaneously, research in the field of alternative binder systems, such as geo-polymers, is conducted.
The application of polymeric materials in hybrid structures was part of one research topic that demonstrated the great potential of material hybrids for civil engineering. The continuation of this topic is on the agenda for the following years.
Fathoming the material scientifical and technological aspects of thermochemical energy storage is another prospect field of research at our chair.
"Development of a non-flammable, glossy varnish for application in thick layers - AnoLack"
" Collaborative project: Development of a semiconductor-based and controlled microwave heating tool with automatic part ejection for the production of glass fiber insulation material - ISOWAVE".
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"Additive production of cold-curing mineral molds based on in-situ activated geo-polymers for the reproduction of natural stones for the preservation of historical monuments - 3D-Geo"
Subproject of the Chair of Construction Chemistry and Polymer Materials with the title: "Development of an extrudable material based on a cold-curing alumina silicate binder system for the reproduction of natural stones"
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"Development of a light-filled, high-strength, and non-flammable material for use in furniture construction and as an interior lining – InCombLight"
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"PolyUpSand; Substitution of sand and gravel for construction purposes by upcycling of mineral by-products from industry and mining for the production of a new polymeric building material for prefabricated parts in the waste water sector"
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"DIGICRETE; Digitalization of the concreting process to avoid temperature cracks"
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"AnoFORM; Development of an alternative inorganic binder system for molding sands in the foundry industry; Mineral-substance systems – Influence on the setting behavior of water glasses due to alumina silicate and/or phosphate-containing additives"
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"InnoAnti-Mould-Filler; Modular anti-mould coating system with combined biocide and thermal protection finish for interior wall surfaces in the area of thermal bridges; formulation development and proof of functionality of fungicidal coatings on a laboratory scale"
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"MultiPoTens; Multifunctional elements made of polymer concrete with tendons made of renewable resources"
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"BioFM; Concrete superplasticizer from renewable resources for the development of a decentralized, locally producing process technology"
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"Architectural screeds; Highly efficient and complex technology for novel architectural screeds with increased practical value; Chemo-technical surface structuring of architectural screeds"
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"MetaTon-Deko; Development of ceramic decoration products based on MetaTon and development of an adequate low-temperature manufacturing process; Building material chemical investigations of MetaTon and final product under the aspect of durability"
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"Bio-manipulated sculptures; Development of polymer-bound mortars and concretes for the production of thin-walled, filigree, and dimensionally stable reliefs and sculptures with targeted manipulation of the surface by microorganisms"
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"AquaDens; Development of sealing processes based on polymer-modified dry mortars for the sealing of masonry foundations in dense urban development and difficult soil conditions"
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"Bio-Add tile adhesives; Development of bio-polymer additives for mineral tile adhesives based on chemically modified bio-polymer mixtures to optimize fresh mortar properties and hydration behavior"
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"Slate flour; Activation of slate flour to obtain a pozzolanic additive for mortar and concrete; Material development based on thermally activated slate flour"
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"Oxygen regenerator; Development of an oxygen regenerator for the cyclic supply of electrolytically pure oxygen in a stream of inert gas; Oxide-ceramic material systems - Process engineering parameters for cycle-stable regenerative use"
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"PolCon, development of a simple raw material analysis system based on the investigation of polymer concretes with various fillers as well as components under material, environmental, and durability aspects"
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"Core glues, development of an innovative setting accelerator based on grain flour for gypsum masses in the production of gypsum plasterboard"
"Innovative machine frames with precision guiding surfaces based on special concrete: Development of a special concrete and surface coating for frame components with precision guiding surfaces"
"Leak-Proof Technology - Innovative special concrete for open, highly frequented supporting structures (parking garages)"
"Development of novel practical anchoring and overlapping solutions of reinforcement made of fibre-reinforced polymers"
"Glass hybrid elements with translucent intermediate layers to improve the energy efficiency of building envelopes« as part of the »Zukunft Bau« research initiative"
Cooperative project AlgiTherm: "Further development, optimization, and scaling of alginate-based composite materials for thermochemical storage"
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InnoProfile-Transfer Junior Research Group: "Methods for the development and application of innovative, functional materials for structural restoration - nuBau Transfer"
The findings on material development and testing gained in the InnoProfile initial project: »Methods and building materials for user-oriented building renovation - new construction« are taken into account and utilized within the framework of a research group in respect to the structured development and targeted application of innovative, functional materials for building renovation. The focus is on the consideration and systematization of user formulated requirements for rehabilitation methods, materials, and their application. In particular, the technology (technological aspects, guidelines, regulations, etc.), the economic efficiency (costs, savings potential, sustainability, energy, etc.) and the preservation of existing building structure are examined from historical, design, and monument preservation perspectives. From a materials science point of view, the focus is on building materials for concrete repair, on supplementary materials for wooden components as well as on special materials provided by the project partners.
Link: http://www.springer-vdi-verlag.de/bauing/2014/01/76618.html
http://www.bauingenieur24.de/fachbeitraege/forschung/materialforschung-bauwe
Link: nuBau-Transfer
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Cooperative project ThessaPor: "Optimization of the storage density of a thermochemical storage for solar heat using composite materials of salt hydrates and hierarchically structured porous substrate"
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Mitantragsteller des Projektes InnoProfile "Methoden und Baustoffe zur nutzerorientierten Bausanierung" Link
"Cooperative project ThessaPor; Optimization of the storage density of a thermochemical storage for solar heat using composite materials of salt hydrates and hierarchically structured porous substrate"
"Polymer-modified concrete (PCC) for innovative applications in transport construction"
"Screening" - Phase within the ForMaT-Programme
Co-applicant of the project InnoProfile "Methods and building materials for user-oriented building renovation" Link
Link: nuBau-Transfer
This project is supported by the Carl Zeiss Foundation.
"Functionalization of smart materials under multi-field requirements for the transport infrastructure"
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"Establishment of a study programme for Brazilian undergraduate scholarship holders of the programme Ciencia sem Fronteiras Alemanha"
Duration: December 2011 - February 2012
"Osmotic processes in the system cementitious material - reaction resin coating"
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"Combination and automation of computer-aided methods for quantitative crack analysis of concrete"
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Approval of an equipment application with support by the TMWWDG for a "Coupled measurement system for investigation of adsorption and complexing behaviour of polymers and nanoparticles in mortar and concrete: FFF-MALS-ICP-MS"
Approval of an equipment application with support from the TMWWDG for a Helios "NanoLab G4 UX scanning electron microscope from FEI with a focused ion beam"
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"Experimental investigations and microstructure-based modelling of the elastic and viscoelastic behaviour of PCC depending on temperature"
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"Identification of poly-disperse granular fabric for the assessment of the stability of widely graded soils under hydraulic load" (co-applicant Chair of Foundation Engineering)
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Approval of an equipment application with support by the TMBWK for a "3D-nanofocus computed tomography system"
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Co-applicant in the Research Training Group 1462 "Coupled Numerical and Experimental Models in Structural Engineering"
http://www.uni-weimar.de/de/bauingenieurwesen/forschung-und-kunst/grk1462/
"Load-bearing and deformation behaviour of polymer-modified concrete with targeted improvement of the ductile material properties"
Subproject B3: "Durability of polymer-modified mortars and concrete" within the framework of the Collaborative Research Centre 524 "Materials and structures for the revitalization of buildings"
"Development of sustainable bio-based adhesion promoters and coatings based
on liquid cellulose for the construction industry"
"Research of a geopolymer-bonded reinforcement for concrete"
"Universal x-ray diffractometer"
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"Gas chromatography / mass spectrometry (GC/MS) for inline coupling with existing thermal analysis system"
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"Development of intelligent demolition practices and new processing methods as well as an innovative building material based on polymer concrete for the implementation of a closed technical cycle in the construction sector"
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"Market-ready development of a novel high-strength additives with low-density“
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"Coupled thermal analysis system for the determination of an adequate raw material performance for sustainable binder in construction"
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Start-up funding "Development of inorganic and resource-efficient organic adhesives for modularized building systems"
Start-up funding "Investigation of the microstructure of building materials with respect to the influence on heat transfer"
Start-up funding "Basic research on the development of sustainable materials for thermal insulation of buildings in Bhutan based on locally available materials"
Start-up funding "Precision Concrete"
Start-up funding "Ductile Concrete"
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