There are disclosed polyester processes using a pipe reactor and corresponding apparatuses. In particular, there are disclosed processes and corresponding apparatuses including an esterification pipe reactor with a recirculating reaction zone (RR zone) and a plug reaction profile reaction zone (PRPR zone), especially when operated with a significant part of the overall conversion taking place in the plug reaction profile reaction zone (PRPR zone).

 
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< IR-absorbing compositions

< Inkjet recording element comprising polyester ionomer and a method of use

> Lenticular card and processes for making

> Tear-strip seal and tear-seal assembly using a pre-cut tear initialization and a toner hopper, toner cartridge and image forming apparatus using same and method of manufacturing same seal, toner hopper and toner cartridge assembly

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