Cuprammonium rayon is a rayon fiber made from cellulose dissolved in a cuprammonium solution, Schweizer's reagent. It is produced by making cellulose...
7 KB (535 words) - 22:27, 16 September 2024
method, cuprammonium rayon is no longer being produced in the United States. The process has been described as obsolete, but cuprammonium rayon is still...
48 KB (5,288 words) - 04:43, 29 October 2024
Tetraamminecopper(II) sulfate (redirect from Cuprammonium sulfate)
closely related Schweizer's reagent is used for the production of cuprammonium rayon. Editor G.Brauer "Tetraamminecopper (II) Sulfate" Handbook of Preparative...
5 KB (410 words) - 10:45, 20 October 2024
Taffeta (redirect from Rayon taffeta)
taffata) is a crisp, smooth, plain woven fabric made from silk, nylon, cuprammonium rayons, acetate, or polyester. The word came into Middle English via Old...
6 KB (703 words) - 21:47, 23 July 2024
trademark in 1908. With this process J. P. Bemberg was able to make rayon using the cuprammonium process with filaments of 1–1.5 denier, comparable to Chardonnet...
17 KB (1,933 words) - 13:37, 26 April 2023
widely used, because it is more expensive than the viscose process. Cuprammonium rayon also does not use carbon disulfide. Industrial workers working with...
29 KB (2,573 words) - 15:34, 23 October 2024
(headgear) Cruise collection Cuban heel Cuff Cufflink Culottes Cummerbund Cuprammonium rayon Custodian helmet Cut and sew Cut-off Cut-resistant gloves Cycling...
51 KB (4,819 words) - 23:38, 8 October 2024
although cuprammonium rayon was more expensive than viscose rayon, with Edmund Thiele's "stretch-spinning" process it was possible to make rayon with fine...
6 KB (665 words) - 01:45, 2 August 2022
from solution in cuprammonium hydroxide (copper(II) oxide dissolved in aqueous ammonia/sodium hydroxide). At first, the cuprammonium rayon was used as incandescent...
16 KB (2,295 words) - 10:47, 31 December 2023
result was flammable and more expensive than cellulose acetate or cuprammonium rayon. Because of this predicament, production ceased early in the 1900s...
49 KB (5,697 words) - 08:20, 31 October 2024
prominent in the development of early Argentine industry A trade name for cuprammonium rayon, owned by the J. P. Bemberg company. This page lists people with the...
554 bytes (118 words) - 20:57, 25 July 2022
process invented by the chemist Edmund Thiele (1867–1927) to make cuprammonium rayon with equally fine filaments to the artificial silk of Hilaire de Chardonnet...
33 KB (4,092 words) - 07:28, 27 September 2024
Johann Urban (section Rayon manufacture (1898–1912))
regenerated. In 1890 the French chemist Louis Henri Despeissis invented the cuprammonium process for spinning fibers from cotton dissolved in Schweizer's reagent...
7 KB (747 words) - 03:18, 10 October 2023
Schweizer's reagent (redirect from Cuprammonium)
Schweizer's reagent was once used in production of cellulose products such as rayon and cellophane (see cupro). Cellulose, which is quite insoluble in water...
7 KB (734 words) - 10:47, 20 October 2024
uneconomical. In 1890, L.H. Despeissis invented the cuprammonium process – which uses a cuprammonium solution to solubilize cellulose – a method still used...
56 KB (5,263 words) - 05:08, 29 October 2024
Max Fremery (section Rayon manufacture (1898–1912))
regenerated. In 1890 the French chemist Louis Henri Despeissis invented the cuprammonium process for spinning fibers from cotton dissolved in Schweizer's reagent...
9 KB (1,019 words) - 21:41, 7 October 2023
takes the form of a reaction between ammonia and copper to form the cuprammonium ion, formula [Cu(NH3)4]2+, a chemical complex which is water-soluble...
3 KB (398 words) - 08:48, 15 November 2021
Berichte. 81 (5): 392–99. doi:10.1002/cber.19480810510. The cuprammonium process for making rayon using Schweizer's reagent had been patented in 1890 by the...
9 KB (922 words) - 18:17, 1 January 2024