Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 29, 2010
Patent Application Number
12350529
Date Filed
January 8, 2009
Patent Primary Examiner
Patent abstract
A method for processing polyester wastes, especially used polyester bottles, which comprises shredding, washing, drying and melting the waste mixture to obtain a starting raw material wherein a modifying agent selected from the group comprising a combination of polysiloxane and a plasticizer selected from the group of phthalates, or a combination of silazanes and silanes is added to the shredded and dried waste mixture, the amount of the modifying agent being 4 to 6% by weight, based on the waste mixture.
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