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07056 EFFECT OF HEAT TREATMENT ON THE PERFORMANCE OF DEPOSIT CONTROL POLYMERS AS CALCIUM CARBONATE INHIBITORS

Picture for 07056 EFFECT OF HEAT TREATMENT ON THE PERFORMANCE OF DEPOSIT CONTROL POLYMERS AS CALCIUM CARBONATE
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Product Number: 51300-07056-SG
ISBN: 07056 2007 CP
Author: Z. Amjad and R. W. Zuhl
Publication Date: 2007
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It has been found that all polymers lose calcium carbonate inhibition performance to varying degrees when exposed to thermal treatment (150 to 240 ºC for 20 hr). Among the homopolymers evaluated, P-MA lost more performance than P-AA. In the case of AA and SA coand ter-polymers, the calcium carbonate inhibition performance improved after heat treatment. The results have been explained in terms of loss of SA and NI in the co- and ter-polymers, as determined by Fourier Transform Infrared (FT-IR) and nuclear magnetic resonance (NMR) methods, leading to the formation of P-AA.
It has been found that all polymers lose calcium carbonate inhibition performance to varying degrees when exposed to thermal treatment (150 to 240 ºC for 20 hr). Among the homopolymers evaluated, P-MA lost more performance than P-AA. In the case of AA and SA coand ter-polymers, the calcium carbonate inhibition performance improved after heat treatment. The results have been explained in terms of loss of SA and NI in the co- and ter-polymers, as determined by Fourier Transform Infrared (FT-IR) and nuclear magnetic resonance (NMR) methods, leading to the formation of P-AA.
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