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  • Description: Cellulose
(72 results)



Display: 20

    • Emptying the shredder

    • Cellophane Manufacturing Process
    • 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.
    • Unloading a barratte

    • Manufacturing process of acetate rayon
    • 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

    • Viscose Process of Manufacturing Rayon
    • 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...
    • View of ultracentrifuge

    • Research Tools and Apparatus
    • The ultracentrifuge used at the Experimental Station to determine molecular weights of colloidal materials such as proteins, cellulose and rubber. The upper half of the housing is shown at the top of the picture. Observations are made through the...
    • Cellulose sponge dish mop

    • Cellulose sponges
    • Tall glasses, coffee pots and other hard to clean utensils are washed in a jiffy with the new cellulose sponge dish mop. The highly porous sponge absorbs a good supply of rich suds and is very pliable. It is easy to keep clean and may sterilizing...
    • Taking a sample

    • Photographic Film
    • Taking a sample of dope-the material from which the film base is made- from large stainless steel mixing tank. Dope is the product resulting from mixing the cellulose acetate and suitable solvents, This sample will be sent to the laboratory to...
    • DuPont Magazine [May 1941]

    • Periodicals; Chemical industry; Fashion industry; Textile industry; Plastics industry; Paint industry; Furniture industry; Fishing & hunting gear;
    • Table of Contents: The story of cellulose film; Turle, return, figure eight; Wood preservation through chemistry; Color fastness essential; Styling with paint; Correct seating for comfort; Molding a career;
    • DuPont Magazine [June 1948]

    • Periodicals; Chemical industry; Photography industry; Nylon; Textile industry; Plastics industry;
    • Table of Contents: The photographic industry and DuPont; Filming the sun's eclipse; It's a clear story; Nylon is a work horse; Design the day; The reading scores a first; Rayon, hardy perennial; Skyhooks; Cellulose spongest improve your...
    • DuPont Magazine [December 1930]

    • Periodicals; Chemical industry; Explosives; Dynamite; Paint industry; Plastics industry; Textile industry; Automobile industry; Rayon;
    • Table of Contents: Prosperity drive; Feldspar for ceramics; Fertilizer ammoniation; Taming the Saguenay River; Foul water and waterfowl; Cellulose acetate, a DuPont product; A memorial for the ages; Refinished and in service; No more needless...
    • DuPont Magazine [March 1938]

    • Periodicals; Chemical industry; Plastics industry; Textile industry; Paint industry; Fashion industry;
    • Table of Contents: 1937 in review; Commerce in the skyways; And now, gentlemen; How Cellophane cellulose film is made; What's new; Mining iron ore on the Gogebic Range; Music in modern dress.
    • On the mixing floor

    • Manufacturing process of acetate rayon
    • Scene on the mixing floor where the solvent is mixed with cellulose acetate, a process to reduce the material to a solution for spinning into acetate at the Waynesboro, Virginia plant of E.I du Pont Nemours & Company.
    • Kitchen scene

    • A New World Through Chemistry Motion Picture
    • Scene in the DuPont Companys educational motion picture: A New World Through Chemistry. Chemistry comes into the kitchen in the form of neoprene gloves, drain board mat and sink strainer; ceramic colors for dishes; vat dyed house dress; Fabrikoid...
    • Kitchen scene

    • A New World Through Chemistry Motion Picture
    • Scene in the DuPont Companys educational motion picture: A New World Through Chemistry. Chemistry comes into the kitchen in the form of neoprene gloves, drain board mat and sink strainer; ceramic colors for dishes; vat dyed house dress; Fabrikoid...
    • Wrapping cellophane

    • Cellophane Manufacturing Process
    • Rolls of cellophane cellulose film, before being wrapped in heavy paper and boxed for shipment from DuPont Company plants, are first wrapped in two layers of moistureproof cellophane to protect the film from moisture absorption or loss.

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