Since 1930 more than 100,000 new chemical compounds have been developed and insufficient information exists on the health assessment of 95 percent of these chemicals in which a relevant percentage are used in construction products. For instance Portland cement concrete, the most used material on the Planet (10.000 million tons/year that in the next 40 years will increase around 100 %) currently used in around 15% of total concrete production contains chemicals used to modify their properties, either in the fresh or hardened state.
Biopolymers are materials that are developed from natural resources. They reduce dependence on fossil fuels and reduce carbon dioxide emissions. There is a worldwide demand to replace petroleum-based materials with renewable resources.
Currently bio-admixtures represent just a small fraction of the chemical admixtures market (around 20%) but with environmental awareness for constituents in construction materials generally growing (the Construction Products Regulation is being enforced in Europe since 2013), the trend towards bio-admixtures is expected to continue.
This book provides an updated state-of-the-art review on biopolymers and their influence and use as admixtures in the development of eco-efficient construction materials.
- Provides essential knowledge for researchers and producers working on the development of biopolymer-modified construction materials
- Discusses the various types of biopolymers currently available, their different production techniques, their use as bio-admixtures in concretes and mortars and applications in other areas of civil engineering such as soil stability, wood preservation, adhesives and coatings
- All contributions are made from leading researchers, who have intensive involvement in the design and use of biopolymers in construction materials
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1. Introduction to biopolymers and biotech admixtures for eco-efficient construction materials
Section One. Production of biopolymers for eco-efficient construction materials
2. Basic concepts on biopolymers and biotechnological admixtures for eco-efficient construction materials
3. Biotechnological production of biopolymers and admixtures for eco-efficient construction materials
4. Life cycle assessment of biopolymers
Section Two. Biopolymers and biotech admixtures in cement and mortars
5. Biotech admixtures for enhancing portland cement hydration
6. Black liquor waste as a cement admixture or cement and concrete admixtures
7. High-performance superplasticizer based on chitosan
8. Microorganism-based bioplasticizer for cementitious materials
9. Fly ash-based geopolymer with kappa-carrageenan biopolymer
Section Three. Biopolymers and biotech admixtures in concrete
10. Biopolymers with superplasticizer properties for concrete
11. Biopolymers with viscosity-enhancing properties for concrete
12. Biotech solutions for concrete repair with enhanced durability
Section Four. Other biopolymer applications
13. Rigid biofoam composites as eco-efficient construction materials
14. Biopolymers for wood preservation
15. Biopolymers for paints and surface coatings
16. Bio-based adhesives
17. Biopolymers as biofilters and biobarriers
18. Biopolymers for superhydrophobic photocatalytic coatings
F.Pacheco Torgal is a Principal Investigator at C-TAC Research Centre, University of Minho. He holds the Counsellor title of the Portuguese Engineers Association. Authored almost 350 publications some that were cited by Highly Cited authors (SCI h-index>60) and in high impact factor journals like Nature Reviews Mat. (IF=52), Nature Energy (IF=47), Progress in Mater. Science (I.F=24), Physics Reports (IF=20) and Nature Climate Change (I.F=19). Citations received in ISI WoS journals-2819 (h-index=29), citations received in Scopus journals- 3580 (h-index=31). Citations prediction for the year 2029 (around 5.500 citations on WoS, 7.500 on Scopus (already has 7000 MR, h=45) and 16.000 citations on scholar google). Member of the editorial board of 9 international journals, 4 referenced on the Web of Science and three referenced on Scopus. Grant assessor for several scientific institutions in 14 countries, UK, US, Netherlands, China, France, Australia, Croatia, Kazakhstan, Belgium, Spain, Czech Republic, Saudi Arabia, UA.Emirates, Poland and also the EU Commission. Invited reviewer for 133 international journals for which he reviewed so far almost 900 papers. Lead Editor of 19 international books (9 being on the Master Book List of Web of Science).
Volodymyr Ivanov is a professor at the School of Civil and Environmental Engineering, Nanyang Technological University, Singapore and his research interests include nanobiotechnology and microbiotechnology.
Niranjan Karak is Professor of Polymer Science and Technology and Head of the Chemical Sciences Department at Tezpur University, India. He has published over 87 research papers, two books and two chapters in two edited books, and also regularly acts as a reviewer for many international polymer journals.
Henk Jonkers is a leading researcher and expert on self-healing bio-concrete and the sustainability Chair Leader of the Materials and Environment section in the Faculty of Civil Engineering and Geosciences, Delft University of Technology, The Netherlands.