Dr. Lukas Emmerich
Research interests
- Chemical wood modification
- Impregnation
- Drying and Curing
- Process development
- Weathering and durability testing
- Flame protection (solid wood)
- Moisture monitoring of structures
Dissertation
- Wood modification with cyclic N-methylol compounds - Optimization of process control and material properties for outdoor applications
- 1. Supervisor: Prof. Dr. Holger Militz
- 2. Supervisor: Dr. Gry Alfredsen
Projects
- PlanaWood 2 - Functionalisation of wood and wood-based materials
- DuraHome - Development and market introduction of innovative, durable terrace deckings and facade claddings with an increased surface hardness
- FiRetWood - Development of innovative fire protection agents using textile cross-linking chemicals for wooden building components in outdoor applications
- Projects with the chemical and wood industry - Development of durable, dimensionally stable materials with increased flame retardancy for indoor and outdoor applications
Responsibilities
- Impregnation plant (wood modification)
- High temperature dryer (pilot plant – curing processes for wood modification)
- Dynamic Vapour Sorption (DVS for the determination of sorption isotherms)
- Water absorption and desorption tests
- Investigations on dynamic strength properties
- Weathering performance (accelerated and field testing)
Committee work
- PhD student representative on the Faculty Council of the Faculty of Forest Sciences and Forest Ecology (since 2017)
- Activity manager in the Association for Wood Science & Wood Use e.V. (since 2018)
Teaching
Courses presented
Supervision of student theses (for reasons of data protection law, the authors names have been made anonymous)
Bachelor theses
- Impact of chemical and thermal wood modifications on the moisture behaviour of soft- and hardwoods
- Investigations on the mechanical properties of silicone oil treated Scots pine (Pinus sylvestris L.) sapwood
- Production of dimensional stable veneer-based composites with durable fire protection
- Improving the treatability of native hardwood and softwood species
- Development of wood moisture content in Norway spruce terrace elements - Influence of slope, soiling and water traps
- Studies of optical methods for quantifying the wood fracture in glue lines
- Structural integrity of wood - Creating a database for tropical and European-grown wood species
- Impact of the wood moisture content on the impact bending strength tested by a pendulum impact test
- Impact of cell wall modifications on the capillary water uptake of wood
- Improving the fixation of boron in wood by combinations with sorbitol/glycerin and citric acid
- Investigation of factors influencing the determination of the oven-dry density of wood
- Wood modification with various polycarboxylic acids and polyols
- TPC as penetration enhancer in spruce wood
- Determination of resistance characteristics for electrical moisture content measurements above cell wall saturation
- Impact of wood moisture content on the structural integrity of wood under dynamic loads in the over-hygroscopic range
- Impact of the wood moisture content in the hygroscopic range on the structural integrity of wood during dynamic impacts
- Acid catalysis and its impact on the fixation of cyclic N-methylol and N-methyl compounds in wood
2023
2022
2021
- Evaluation of the moisture performance of wood-based materials in outdoor applications
2020
- Beeinflussung ausgewählter statischer und dynamischer Eigenschaften von mit verschiedenen glyoxal-basierten Vernetzern behandeltem Massivholz – Ein Methodenvergleich
- Untersuchung hydraulischer Effekte durch Imprägnierung von Holz mit Ölen und Wachsen
- Comparative tests of the adsorption and desorption properties of wood outdoors
- Mechanical and physical properties of wood treated with DMDHEU in combination with selected silicon and wax compounds
- Changes in selected static and dynamic mechanical properties of solid wood modified with distinct glyoxal crosslinking agents – A comparative study
2019
- Conception and manufacturing of wooden structural elements for assessing the impact of microclimate and material selection on the moisture induced risk for fungal decay
- Comparative tests of the adsorption and desorption properties of untreated and differently chemically modified timbers
- Resistance of wood against dynamic mechanical loads – Database for Europe-grown and tropical wood species
- Determination of resistance characteristics for electrical moisture content measurements in modified timber
2018
Master theses
- Rot-type specific impact of fungal decay on the structural integrity of wood
- Adhesion properties of modified softwood and hardwood species
- Wood modification with citric acid and sugar alcohols – Optimization of the drying and curing process
- Investigations on the storage stability and reusability of aqueous solutions of impregnation resins
- Investigations on the growth behaviour and wood degradation of decay fungi in preservative treated wood
- Wood modification with citric acid and sugar alcohols- Process control and Quality control
2023
2022
2021
- Investigations on the growth behaviour, wood degradation and translocation of nitrogen compounds by wood-destroying fungi in DMDHEU-modified wood
- Comparative studies on the durability of Scots pine sapwood (Pinus sylvestris L.) modified with nitrogen containing crosslinking agents combined with stabilizing and softening agents
- Physical and mechanical properties of European beech (Fagus sylvatica L.) after thermal and chemical (DMDHEU) modification and a combination of both treatment methods
2020
- Wood modification of Scots pine (Pinus sylvestris L.) sapwood with one-component and two-component flame retardant systems from textile application
2018
Project theses
- Laboratory studies on the moisture dynamics in untreated, modified and preservative treated wood
- Impact of chemical wood modification with DMDHEU on the physical and mechanical properties of European softwood and hardwood species
- Investigation on the migration of the modification agent in DMDHEU modified wood
- Investigation on the embrittlement of wood by modification with cross-linking resins depending on the catalyst system
- Effects of wood modification with cross-linking N-methylol, N-methyl and polyurethane-compounds on the moisture performance of Scots pine sapwood (Pinus sylvestris L.)
2023
2022
2020
2019
2018
Publications