Process for making a spunmelt nonwoven batt or web from recycled polypropylene

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United States of America

PATENT NO 11946169
SERIAL NO

17344365

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Abstract

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A process for making a spunmelt nonwoven web including the steps of providing a mixture of recycled polypropylene, extruding the recycled polypropylene mixture to form a molten recycled polypropylene mixture, filtering the molten recycled polypropylene mixture through a filter to form recycled polypropylene filtrate, dosing the recycled polypropylene filtrate into the spunmelt production line by an amount of 80% to 100% by weight, passing the recycled polypropylene filtrate through at least one spinneret of the spunmelt production line to form filaments at a spinning speed of greater than 1200 meters per minute, cooling and drawing the filaments, and depositing the filaments on a moving belt to form at least one layer of the spunmelt nonwoven web made up of 80% by 100% by weight of recycled polypropylene fibers.

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Patent Owner(s)

Patent OwnerAddress
PFNONWOVENS LLC101 GREEN MOUNTAIN ROAD HAZLETON PA 18202

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bond, Eric Bryan Maineville, US 95 2702
Macura, Anna Elizabeth Loveland, US 46 399
Parsons, John C Annville, US 27 286
Pung, David John Loveland, US 55 763
Ramaratnam, Karthik Anderson, US 30 994

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