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Scotchgard is a 3M brand of products, a stain repellent and durable water repellent applied to fabrics, upholstery, and carpets to protect them from stains. Scotchgard products typically rely on organofluorine chemicals as the main active ingredient along with petroleum distillate solvents.
Operators need to wear gas masks, gloves and eye protection. [4] The darkening of the colour relies on the ammonia reacting with tannins in the wood. The process is usually applied to white oak, as this wood has a high tannin content. Red oak may turn greenish rather than deep brown. Other species may not darken as noticeably as white oak ...
PFOS was the key ingredient in Scotchgard, a fabric protector made by 3M, and related stain repellents. The acronym "PFOS" refers to the parent sulfonic acid and to various salts of perfluorooctanesulfonate. These are all colorless or white, water-soluble solids.
With Samuel Smith, Sherman co-invented Scotchgard, which soon become one of the most famous and widely used stain repellent and soil removal products in North America. The invention of Scotchgard was sparked by an accident. Sherman and coworkers were initially assigned to develop a rubber that could be used for jet fuel hoses. [2]
A stain repellent is a product added to fabric in order to prevent stains. [1] ... Scotchgard; Notes This page was last edited on 25 December 2022, at 06:16 (UTC ...
Chemical staining of wood is rarely carried out because it is easier to colour wood using dye or pigmented stain, however, ammonia fuming is a chemical staining method that is still occasionally used to darken woods such as oak that contain a lot of tannins. Staining of wood is difficult to control because some parts of the wood absorb more ...