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Processing of Graphene Oxide Integrated Cellulose Acetate Composites and their Physical and Mechanical Properties
(2019)
Diplomityö
Diplomityö
This thesis work deals with the fabrication of bionanocomposite films composed of cellulose acetate (CA) biopolymer and graphene oxide (GO) by melt extrusion process. Desired amount of triethyl citrate (TEC) was used as a ...
Light driven surface pattering of supra-molecular photo-active polymers
(2019)
Diplomityö
Diplomityö
Azobenzene containing photo-responsive polymers have gained much attraction due to their reversible photoisomerization and the different types of photoinduced phenomena that can be induced by the photoisomerization process. ...
High kappa refining and its effect on drainability and the technical properties of paper
(2019)
Diplomityö
Diplomityö
High kappa pulp is used for the production of kraftliner. The high kappa pulp has also a high lignin content where the kappa number is between 80 and 100. At high kappa, rigid fibers are obtained to achieve that brings ...