Polymeric MicrofiltersPolymeric microfilters are used for the removal of contaminants of micron and submicron size in the ultrafine purification of liquids. This text describes the physicochemical principles and processes for the production of microfilters from solutions, powders and fibrous dispersions of polymers. |
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Contents
Introduction | 7 |
Physicochemical fundamentals of microfilter production from | 15 |
16 | 34 |
Copyright | |
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Common terms and phrases
amorphous apparatus average pore capillary cellulose channel characteristics chemical fibres cloth cm³ coefficient components composition contacts crazes curve decrease deformation degree density dependence determined diagram diffusion drying effect equation evaporation fibrid fibrous filtration filtration material fineness of filtration flow fluoropolymers formation formed glass transition temperature higher hydrodynamic hydrophilization increase initial interactions interface kinetics liquid film low-molecular phase macromolecules mass transfer mechanical strength melting membrane method microfilter production mixture mobility molecular molecules parameters particles permeability phase decomposition phase equilibrium physico-chemical plastic polyamide polymer concentration polymer phase polymer solution polymer system polymeric pore diameter porosity porous structure precipitating capacity precipitation bath pressure process flow diagram production of microfilters properties PTFE resistance result reverse osmosis separation efficiency sintering skeleton solid solvent stresses substrate surface layer surface tension suspension technique temperature thickness tion transition transverse two-phase utilized variation various viscosity volume