ES245824A1 - A procedure for the manufacture of artificial threads and cut fiber..061258 (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the manufacture of artificial threads and cut fiber..061258 (Machine-translation by Google Translate, not legally binding)
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Akzo NV
Original Assignee
Algemene Kunstzijde Unie NV
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Priority to ES0245824ApriorityCriticalpatent/ES245824A1/en
Publication of ES245824A1publicationCriticalpatent/ES245824A1/en
A process for the manufacture of artificial yarns and cut fiber, in the process of which is spun viscose with a total alkali content between 4.8 and 7.5% by weight (calculated as NaOH) in a spin bath containing sulfuric acid, sulfate and 0.1 to 2% by weight of zinc sulphate, and the formed products are stretched, preferably at least 50% in a second hot bath containing dilute acid, characterized in that a spinning bath is used in which the concentration of sulfuric acid is between a minimum and a maximum, said minimum and maximum sayings being expressed by the following equations: (see graphic) (Machine-translation by Google Translate, not legally binding)
ES0245824A1959-02-101959-02-10A procedure for the manufacture of artificial threads and cut fiber..061258 (Machine-translation by Google Translate, not legally binding)
ExpiredES245824A1
(en)
Improvements introduced in the procedures for the manufacture of threads, fibers and curly analog products (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the procedure for the obtaining of high-tenacity regenerated cellulose threads (Machine-translation by Google Translate, not legally binding)
Procedure for the production of threads and fibers, highly resistant, based on regenerated cellulose (Machine-translation by Google Translate, not legally binding)