Process for the continuous spinning of viscose rayon
A process is described for the continuous spinning of viscose rayon. Said process is characterized by the fact that after the coagulation and drawing of the yarn, a two-stage setting is carried out, the first stage being at higher temperature and acidity than the second stage. The two-stage setting...
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| creator | LEONCINI NOVELLO BENAI TOMMASO PAOLETTI UGO |
| description | A process is described for the continuous spinning of viscose rayon. Said process is characterized by the fact that after the coagulation and drawing of the yarn, a two-stage setting is carried out, the first stage being at higher temperature and acidity than the second stage. The two-stage setting permits one to obtain a yarn which is not only perfectly set but is also substantially desulphurated and the classic desulphuration operation is thus eliminated. The setting is followed by at least one washing and by the other conventional treatments, with the exception of the desulphuration. The viscose rayon continuous spinning process is carried out while the yarn travels in a substantially helical path. |
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Said process is characterized by the fact that after the coagulation and drawing of the yarn, a two-stage setting is carried out, the first stage being at higher temperature and acidity than the second stage. The two-stage setting permits one to obtain a yarn which is not only perfectly set but is also substantially desulphurated and the classic desulphuration operation is thus eliminated. The setting is followed by at least one washing and by the other conventional treatments, with the exception of the desulphuration. 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Said process is characterized by the fact that after the coagulation and drawing of the yarn, a two-stage setting is carried out, the first stage being at higher temperature and acidity than the second stage. The two-stage setting permits one to obtain a yarn which is not only perfectly set but is also substantially desulphurated and the classic desulphuration operation is thus eliminated. The setting is followed by at least one washing and by the other conventional treatments, with the exception of the desulphuration. The viscose rayon continuous spinning process is carried out while the yarn travels in a substantially helical path.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING TEXTILES |
| title | Process for the continuous spinning of viscose rayon |
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