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Z. Gumkowski, T. Spychaj


The effect of carbon blacks and surface active substances on the synthesis and properties of poly(ethylene terephthalate).

Part I. Characteristics of raw materials and their effect on polymer synthesis

Polimery 1995, No 4, 222


DOI: dx.doi.org/10.14314/polimery.1995.222

Summary

Results of studies on effect of the presence of carbon blacks and of surface active substances on the process of poly(ethylene terephthalate) (PET) synthesis were presented. The effect of addition of a series of well characterized furnace and channel blacks on the ester interchange process parameters (range of boiling temperature of methanol, time of reaction) and on the condensation polymerization process parameters (increase in the impeller power consumption, final pressure and temperature values, time of reaction) was determined. The technological suitability of surface active substances used for the preparation and stabilization of carbon black suspension in ethylene glycol was compared. These suspensions were used in the carbon- black-dyed PET synthesis process.


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