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Polyphenylene sulfide (PPS) is an organic polymer consisting of aromatic rings linked by sulfides. Synthetic fiber and textiles derived from this polymer resist chemical and thermal attack. PPS is used in filter fabric for coal boilers, papermaking felts, electrical insulation, film capacitors, specialty membranes, gaskets, and packings.
Since then, 3M has continued to use PFAs in a variety of products, with Scotchgard being the most well known and commercially lucrative. [4] Until the early 2000s, waste from the production of PFAs was dumped at four sites in Minnesota, the Washington County Landfill, the 3M Cottage Grove Chemolite Site, the 3M Woodbury site, and the 3M Oakdale ...
A poncho liner (often referred to as a woobie), [1] is a piece of field gear originating in the United States military that can be attached to a standard issue poncho to provide additional warmth, as well as being usable as a blanket, sleeping bag or protective cover.
In 2008, 3M created the Renewable Energy Division within 3M's Industrial and Transportation Business to focus on Energy Generation and Energy Management. [ 87 ] [ 88 ] In late 2010, the state of Minnesota sued 3M for $5 billion in punitive damages, claiming they released PFCs —classified a toxic chemical by the EPA—into local waterways. [ 89 ]
PPS is principally used in coating applications. This is done by spraying an aqueous slurry of PPS particles and heating to temperatures above 370 °C. Particular grades of PPS can be used in injection and compression molding at temperatures (300 to 370 °C) at which PPS particles soften and undergo apparent crosslinking.
The teen ignored the pestering until Tommy Sprauve suddenly hit him once in the face with a hammer, causing a cut and swelling on his left eye, cops said.