Heat exchanger for keeping polymer at constant temperature before further processing, has an outer vessel with heat exchanger medium, and an inner vessel containing a hollow displacement body with angled flow guides
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Solid state polycondensation process, e.g. for preparing polyesters for fiber production, involving supplying reactor with raw material granules obtained from threads or strands having structured cross-section
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Polymerization reactor comprises a middle part having a separating wall with a lower passage defined in the inner chamber of a container by two axially spaced product feed openings arranged above a shaft
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Heat exchanger for maintaining constant temperature in polymers has a heated internal torpedo with ends matched to those of the exchanger body ends forming a polymer flow channel
DE10238901B3
Stopcock valve
DE10235383C1
Polymerization reactor comprises an externally heated container with connections for the product to be polymerized, and a rotating shaft with annular plates which interact with separating walls
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Shut-off unit, at a polymer production assembly, has a valve in the connecting piece between the inflow/outflow connections, at the opening into a branch channel
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Apparatus for filtering polymers comprises filter cartridge enclosed in outer sleeve, fluid flowing between these to keep filter at constant temperature
DE10063800C1
Reactor used for partially degassing reaction mixtures, e.g. during the production of plastics, in biotechnology and in the pharmaceutical industry, comprises a heat exchanger arranged within a flow channel within a container
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Reactor for at least partial degassing of reaction mixtures and for increasing the reaction rate
DE19828805A1
Process for the preparation of "cationically dyeable polyester"
