Method of manufacturing bulked continuous filament

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United States of America Patent

PATENT NO 9630354
SERIAL NO

14546837

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Abstract

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A method of recycling polymers and other plastics comprises: (A) grinding recycled PET bottles (or other suitable recycled polymer) into a group of flakes; (B) washing the flakes; (C) identifying and removing impurities, including impure flakes, from the group of flakes; (D) passing the group of flakes through an MRS extruder while maintaining the pressure within the MRS portion of the MRS extruder below about 5 millibars; (E) passing the resulting polymer melt through at least one filter having a micron rating of less than about 50 microns; and (F) preparing the polymer melt for recycling into a new product. In various embodiments, the above process may be utilized in the recycling of, for example, polytrimethylene terephthalate (PTT), polypropylene, polyvinyl chloride (PVC), high-density polyethylene (HDPE), polystyrene (PS), expanded polystyrene (EPS), or any other suitable polymer or plastic.

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Patent Owner(s)

Patent OwnerAddress
ALADDIN MANUFACTURING CORPORATION160 SOUTH INDUSTRIAL BOULEVARD CALHOUN GA 30701

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Clark, Thomas R Chattanooga, US 76 780

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