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PTP Plastic Technologies and Products B.V.

PTP Plastic Technologies and Products B.V. Patent applications
Patent application numberTitlePublished
20090124716METHOD FOR PROCESSING POLYESTER WASTE - 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.05-14-2009