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Monday, March 1, 2010


Polyethylene Terephthalate CAS-No.: 25038-59-9 Synonym / abbreviations: polyester, PET, PES Sum Formula: H-[C10H8O4]-n=60-120 OH, mol unit weight: 192,17

There are several reasons for the importance of Polyester:

* The relatively easy accessible raw materials PTA or DMT and MEG
* The very well understood and described simple chemical process of polyester synthesis
* The low toxicity level of all raw materials and side products during polyester production and processing
* The possibility to produce PET in a closed loop at low emissions to the environment
* The outstanding mechanical and chemical properties of polyester
* The recyclability
* The wide variety of intermediate and final products made of polyester.


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