Flat sheets of dry wood pulp and cotton linters pulp are fed into a corrugator at the Richmond, Virginia plant of E.I du Pont Nemours & Company before they start the long chemical road to becoming rayon yarn.
Written captions: "Originally built as a pulp keg mill. Used as a storehouse. Presently called Building #4. Part of DuPont Co. Hall of Records (1957)."
Written captions: "Originally built as a pulp keg mill. Used as a storehouse. Presently called Building #4. Part of DuPont Co. Hall of Records (1957)."
25, 000 tons of wood pulp at the paper mill of Finch, Pruyn & Co., Glenn Falls NY. The man on top seems like a diminutive speck in comparison to this pile.
After wood pulp for cellophane is steeped in caustic solution, it is reduced to fine particles in a shredder. Here, operator empties the shredded pulp into bin. Other chemicals will be added to make a viscous liquid which is cast into the clear...
Rolls of wood pulp are placed in position as first step in making cellophane at the DuPont Company's Tecumseh, Kansas cellophane plant, which is now in commercial production. Wood pulp is treated with chemicals in a complex and carefully controlled...
Unloading a barratte where a batch of treated pulp has been churned and mixed with carbon bisulfide to become cellulose xanthate, a chemical step in the manufacture of rayon at plants of E.I du Pont Nemours & Company. The pulp emerges deep orange...
Unloading a barratte where a batch of treated pulp has been churned and mixed with carbon bisulfide to become cellulose xanthate, a chemical step in the manufacture of rayon at plants of E.I du Pont Nemours & Company. The pulp emerges deep orange...
Cotton linters and wood pulp storage building in the foreground, with chemical building and fumes stack in rear and electrical lines overhead at the Spruance rayon plant of E.I. du Pont Nemours & Company, near Richmond, Virginia.
Table of Contents: Idea fabrics; Rough, tough and stylish; Mechanical parts of Teflon; DuPont Cavalcade theater; Brighter pulp for whiter paper; DuPont's new non-caloric sweetener; Color moves outdoors; How's your brush IQ; New color for an old...
Changing a specially designed and equipped mixer with xanthate, the base of which is cotton linters and wood pulp, in the manufacture of the cellulose or man made sponge at Buffalo plant of E.I. du Pont Nemours & Company.
Unloading a shredding machine of ground up sheets of treated cotton linters and wood pulp, or alkali cellulose as it is called at this stage in the manufacture of viscose rayon and cellophane at plants of E.I. du Pont Nemours & Company.
Viscose ripening room at DuPont's Clinton, Iowa cellophane plant. Viscose, made from chemically treated wood pulp is aged to control molecular weight and then is extruded through a hopper into an acid bath to form the cellophane sheet.
A control panel in the viscose manufacturing operation at the DuPont Company's Tecumseh, Kansas cellophane plant. Precise control at every stage of the process is essential to uniformity and high quality of the finished product. In the manufacture...
These paper barrel covers are used here in an eastern chemical plant to keep materials clean and dry during temporary storage or during transport from point to point within the plant. They are made of no ordinary paper however; barrels are often...
A miniature single cylinder paper machine. The box at the far right contains the coloring agent and the furnish, composed of either wood pulp or rag stock, depending upon the type and quality of paper desired. The subsequent option is comparable to...
Paper making machine processing paper from the pulp to the finished sheet in the Technical Laboratory, Dyestuffs Division. A strip of paper made in the machine can be seen wound over the drum at the right.
A view of the hydrogen peroxide manufacturing unit at the Memphis TN plant of the DuPont Company's Electrochemicals Department. The finished product is a colorless clear liquid with a slightly pungent odor. It is widely used in bleaching textiles,...
