salt. the chemical reaction for aliphatic dicarboxylic acids and aliphatic diamines to yield an aliphatic polyamide via a condensation polymerization process can be represented, thus: the chain length is regulated by controlling process conditions, such as reaction time, temperature and pressure. an aqueous...
. - - cas no: - - no data kilogram metric ton/month henan sunlake enterprise corporation contact supplier - - usage purification methods crystallise the sulfate from . m h so , or precipitate it from an aqueous solution with etoh. it is efflorescent in dry air, and is converted to the tetrahydrate at...
continuously and use 'stereospecific' ziegler-natta catalysts to effect the polymerization. the catalyst remains in the product and needs to be destroyed using water or alcohols, before the polymer is converted into pellets. both bulk and gas phase processes have virtually eliminated gaseous and aqueous...
ii) agitation speed ( , , and rpm). other processing parameters were maintained as follows: temperature, °c; aeration, l/min. fed-batch cultivation was also conducted using semi-defined media as described previously. two different refined carbon sources, glucose and glycerol, were used as feeding solutions...
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