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A kneader reactor (or kneading reactor) is a device used for mixing and kneading substances with high viscosity. Many industries, such as the food processing, utilize kneader reactors to produce goods, as for example, polymers or chewing gum. Although the machine has existed for decades, kneader reactors are only recently gaining popularity in ...
Subsequently, LIST Kneader Reactor technology showed that it could effectively combine multiple phases and process steps — reaction, crystallization, drying, melting, mixing, kneading and evaporation — in a single machine. It was this thinking that led List to develop the Mixing Kneader Technology, a new generation of processing technology.
Continuous stirring of the monomer happens in this type of polymerization. Very specific designs of reactors are used depending upon the viscosity of the polymer. In some applications, the completed polymer melt is transferred from the reactor using a gear pump or applying moderate external pressure.
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Continuous reactors (alternatively referred to as flow reactors) carry material as a flowing stream. Reactants are continuously fed into the reactor and emerge as continuous stream of product. Continuous reactors are used for a wide variety of chemical and biological processes within the food , chemical and pharmaceutical industries.
When exiting a reactor after a polymerization reaction, many polymers still contain undesired low-molecular weight components. These component may make the product unusable for further processing (for example, a polymer solution cannot directly be used for plastics processing), may be toxic, may cause bad sensory properties such as an unpleasant smell or worsen the properties of the polymer.
The Utah-based chain will open a new restaurant in 2023 at Chinden Boulevard and Linder Road, according to Robin Wilson, chief of staff for Kneaders.
A continuous process in which long-chain carboxylic acid chloride and tertiary amine (e. g. dimethyl isopropylamine, dimethylcyclohexylamine or triethylamine) is supplied separately without solvents to a tube reactor, kneader or preferably a twin-screw extruder or planetary roller extruder and reacted at temperatures between 90 and 110 °C ...