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Continuous Polycondensation Plant Solutions

The efficient and high-end continuous polycondensation plants of our subsidiary company Oerlikon Barmag Huitong Engineering (OBHE) produce a homogenous melt using a chemical reaction which transfers different monomers into polymers.

Total Control over the entire process chain

During this process, side products such as water are created. A high-end melt like this is the basis for high-quality yarn used for fiber-grade and bottle-grade polyester.
The benefits of an in-house polycondensation system are clear to see: in addition to independence from external granulate manufacturers, short-term price fluctuations within the raw materials market an direct influence on polymer quality, it is - above all - the additional value added that promises further profits.

PBT Production Plants

OBHE can provide the production plant of polybutylene terephthalate (PBT) which the technology of direct esterification of pure terephthalic acid (PTA) and 1,4-butanediol (BDO) and continuous polycondensation are adopted. This distinctive PBT production technology is formed based on the absorption of foreign advanced technology and combined with our own polyester production technology and experiences, which has the unique features in advanced process, reliable equipments, low investment cost, low raw materials and energy consumption, high market competitiveness. The main process adopting the three reactors flow and the production flow is shorted. It also has special THF recovery technology which can realize 99.99% purity of recovery THF.

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