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Degassing PC

Polycarbonate manufacture can also be carried out using melt condensation of diphenyl-carbonate with bisphenol A without solvents. The residual degassing of diphenylcarbonate to a few ppm plus the incorporation of additives is carried out in ZSK machines. [Pg.197]

Production results are available for machine sizes up to a ZSK 250 Me for degassing polycarbonate. [Pg.197]

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