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  1. cuprammonium love

Definitions

Century Dictionary and Cyclopedia

  1. n. In chem., the compound radical in certain salts obtained by the action of ammonia upon the ordinary salts of copper.

Wiktionary

  1. n. inorganic chemistry The cation Cu(NH3)42+ formed by adding ammonia to copper salts

Etymologies

  1. cupro- +‎ ammonium (Wiktionary)

Examples

  • cuprammonium" solution dissolved some of the cellulose which reprecipitated during passage through the succeeding acid bath, filling the pores of the cloth enough to make it "water resistant" but not "water-proof".”

    John B. Fenn - Autobiography

  • “Cuprammonium rayon, also known as Bemberg or cupra rayon, is named after a step in its processing in which cellulose is dissolved in a cuprammonium hydroxide solution.”

    Simon & Schuster: HOME COMFORTS

  • “Viscose rayon, cuprammonium rayon, high wet-modulus rayon, and lyocell and their care … Acetate and triacetate and their care … Nylon and its care … Polyester and its care … Acrylic and modacrylic and their care … Spandex and its care … Polypropylene and its care … Microfibers … Blends … Caring for hydrophobic synthetic fibers”

    Simon & Schuster: HOME COMFORTS

  • “Fabrics made from cuprammonium rayon tend to be more resilient than viscose rayon—that is, they do not wrinkle so easily.”

    Simon & Schuster: HOME COMFORTS

  • “Nosing around outside I lifted a small flap on the cover of a large tank half full of cuprammonium solution.”

    John B. Fenn - Autobiography

  • “This can be accomplished by dissolving cellulose in cadoxen, cuprammonium, or strong acid and then reprecipitating and washing.”

    3 Ethanol Production

  • “[15] The recent failure of a French company founded for the exploitation of the cuprammonium process may be taken as showing that it presents very considerable technical difficulties.”

    Researches on Cellulose 1895-1900

  • “Lustra-cellulose' made from the solution of cellulose in cuprammonium.”

    Researches on Cellulose 1895-1900

  • “~ -- The application of the solution of cellulose in cuprammonium to the production of a fine filament in continuous length, 'artificial silk,' has been very considerably studied and developed in the period 1897-1900, as evidenced by the series of patents of Fremery and Urban, Pauly, Bronnert, and others.”

    Researches on Cellulose 1895-1900

  • “Moreover, it entirely resists the actions of the special solvents of cellulose -- e.g. zinc chloride and cuprammonium.”

    Researches on Cellulose 1895-1900

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