This complicated array of pipes, stills, tanks and steel structure is a portion of the Elvanol polyvinyl alcohol plant of the DuPont Electrochemicals Department at Niagara Fall s NY. Some idea is gained of the intricate equipment required for the manufacture of this unique product which is used as an adhesive, textile size, touch transparent wrapping film, greaseproof coating, photosensitive coating, paper size chemical intermediate and plastic.
DuPont Elvanol polyvinyl alcohol manufactured by the Electrochemicals Department at Niagara Fall NY in the above plant, finds many unique and varied uses, ranging from oil resistant flexible hose to a knitting size for nylon hosiery. This versatile product finds use as a water resistant adhesive, textile warp size, paper size, emulsifying agent, photosensitive coating, base material for synthetic sponges and tough transparent wrapping film.
This polyvinyl alcohol unit at the Niagara Falls plant of DuPont's Electrochemicals Department is characteristic of the costly and complicated equipment used by the chemical industry. DuPont has an average investment of $26,900 per employee in tools and equipment. Polyvinyl alcohol is used in the textile and adhesive industries.
Solvent recovery unit in Elvanol polyvinyl alcohol area at Niagara Falls NY plant of DuPont's Electrochemicals Department. This versatile product finds use as a water resistant adhesive, textile warp size, paper size, emulsifying agent, photosensitive coating, base material for synthetic sponges and tough transparent wrapping film.
Potassium silicate is produced in thousands of pounds per year at the DuPont Company's Cleveland Works. The chemical is used in a number of products including welding equipment, television tubes, and in the glass and ceramics industries. In the DuPont Company's Cleveland Works, Bob Freeman operates a hoist as the molten mass flows from furnace where potash and sand have been used to make potassium silicate.