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Topic: Polyester Carboxyl End Group  (Read 2326 times)

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Offline shivkr2003

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Polyester Carboxyl End Group
« on: March 04, 2017, 04:29:15 AM »
I want to know the formula to calculate the Carboxyl end group with change in IV,Polymer temperature or resdence time.
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Offline shivkr2003

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PET Carboxyl end group
« Reply #1 on: March 10, 2017, 05:57:01 AM »
IV   Temp   COOH   RT   IV   Temp   COOH
start   start   start      End   End   End
[-]   [°C]   [MEQ/kg]   [min]   [--]   [°C]   [MEQ/kg]
0.6450   282.500   30.000   0.71   0.645   282.5   30.113

I want know how the COOH ended at 30.113 from start 30 MEQ/kg,
i need the calculation basis with formula to find out?
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