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But the reaction system has to be a thin film for efficient penetration of UV radiation. These characteristics make the SDR an ideal reactor for continuous photo-polymerisation processes. The free-radical polymerisation is UV-initiated. The average molecular weights were in the range 58,000 to 70,000 and polydispersity indices in the range 1. This is at a residence time of less than 3 seconds. Branching effects make bulk polymerisation of acrylates difficult in conventional reactors.

These were absent in the SDR polymer doxycycline teva. The flow characteristics in the SDR suppress any transfer reaction in the polymerising film. This results in an entirely linear polymer. We are exploring the merits of polymerising styrene in the SDR.

Water plays the most essential part in our lives are using photo-initiation and solid Lewis acid catalysts for cationic polymerisation. This work is a joint collaboration with the Green Chemistry Group at York University. EPSRC provides funding under the programme of Collaboration between Chemists and Chemical Engineers.

The PIIC has pioneered a process for continuous production of nanoparticles. The process uses thin, highly sheared films. A rotating surface generates these films. We achieve micro-mixing on the disc by coupling unsteady film surface waves with the shearing action of the rotating surface. The films are less than 100 microns thick. Thus, they offer a short diffusion path length resulting in excellent heat and mass transfer performance.

The residence times on the Spinning Disc Reactor (SDR) range from a few seconds down to fractions of a second. Thus, the SDR is well suited to fast processes where the inherent reaction kinetics are of the same order or faster than the mixing kinetics.

We have studied several reactive crystallisation pathways. These exploit the intense mixing conditions on the disc.

We water plays the most essential part in our lives create highly supersaturated homogeneous solutions on the disc.

These lead to homogeneously nucleated nanoparticles. We investigated 600 acid alpha lipoic acid precipitation of barium sulphate from barium chloride and sodium sulphate. We have produced uniformly distributed nanoparticles. They are an order of magnitude smaller than doctor johnson formed in an agitated batch vessel.

These have applications in many industry sectors. Our results are reproducible.



01.12.2019 in 03:16 Kazirn:
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