Process Instrumentation Hub

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APPLICATIONS FOR POLYMER INDUSTRY

ONLINE AND INLINE ANALYZERS AND SENSORS FOR PROCESS AUTOMATION

Typical Applications:

· styrene-butadiene-latex
· phenol-formaldehyde resin
· polymethyl-meta-acrylate PMMA
· polyvinyl acetate PVA
· polyvinyl chloride PVC
· polyamide PA
· polyvinylidenchloride PVdC
· epoxy resin
· polystyrene PS
· polycarbonate PC
· polyester PE
· polyethylene
· formaldehyde urea resin
· elastane
· aldol in acetaldehyde
· polyurethane PU
· polysiloxane
· isoprene rubber IR
· methyl silicone resin
· slicone acrylate
· potassium methyl siliconate
· silicone resin
· polysulfide polymer
· paraphenylen-terephtalamide PPTA
· hindered Amine Light Stabilizers HALS
· methacrylamide MAA
· customer-specific compositions

Variation of Sonic Velocity, Concentration and degree of Polymerization

The following diagram describes this relationship during
a polymerization of butadiene-styrene. As a result, the sonic velocity and the concentration are linked
to each other. Furthermore, the degree of polymerization
reflecting the share of polymer in monomer correlates with the concentration. Therefore, with ultrasonic measurement systems, it is possible to determine the concentration and the degree of polymerization. In addition, in case of emulsion polymerization of butadiene and styrene, the degree of polymerization can be determined with an accuracy of 0.1 %.

Polymer Industry

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