Process for continuous spinning of viscose rayon
Process for continuous spinning of viscose rayon, characterised in that the extruded filaments are partially coagulated and completely stretched and subsequently subjected to a postcoagulation treatment without stretching until a coagulation index between 0 and 1 is achieved. The filaments are then...
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| creator | NOVELLO,LEONCINI TOMMASO,BENAI UGO,PAOLETTI |
| description | Process for continuous spinning of viscose rayon, characterised in that the extruded filaments are partially coagulated and completely stretched and subsequently subjected to a postcoagulation treatment without stretching until a coagulation index between 0 and 1 is achieved. The filaments are then subjected to all necessary further operations. The postcoagulation treatment is carried out in two stages, in a first stage without treatment of the filaments and in a second stage in which the filaments are brought into contact with an acid bath at a temperature between 50 and 100 DEG C. The process of the invention makes it possible to increase the treatment speed without increasing the dimensions of the treatment zones and hence the apparatus, which represents an appreciable economic and technical advance. |
| format | Patent |
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The filaments are then subjected to all necessary further operations. The postcoagulation treatment is carried out in two stages, in a first stage without treatment of the filaments and in a second stage in which the filaments are brought into contact with an acid bath at a temperature between 50 and 100 DEG C. The process of the invention makes it possible to increase the treatment speed without increasing the dimensions of the treatment zones and hence the apparatus, which represents an appreciable economic and technical advance.</description><language>eng ; ger</language><subject>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</subject><creationdate>1981</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19811224&DB=EPODOC&CC=DE&NR=3100368A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19811224&DB=EPODOC&CC=DE&NR=3100368A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NOVELLO,LEONCINI</creatorcontrib><creatorcontrib>TOMMASO,BENAI</creatorcontrib><creatorcontrib>UGO,PAOLETTI</creatorcontrib><title>Process for continuous spinning of viscose rayon</title><description>Process for continuous spinning of viscose rayon, characterised in that the extruded filaments are partially coagulated and completely stretched and subsequently subjected to a postcoagulation treatment without stretching until a coagulation index between 0 and 1 is achieved. 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The process of the invention makes it possible to increase the treatment speed without increasing the dimensions of the treatment zones and hence the apparatus, which represents an appreciable economic and technical advance.</description><subject>APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS</subject><subject>CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS</subject><subject>MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS</subject><subject>NATURAL OR ARTIFICIAL THREADS OR FIBRES</subject><subject>SPINNING</subject><subject>TEXTILES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1981</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAIKMpPTi0uVkjLL1JIzs8rycwrzS8tViguyMzLy8xLV8hPUyjLLE7OL05VKEqszM_jYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxLq7GhgYGxmYWjobGRCgBADhvKy4</recordid><startdate>19811224</startdate><enddate>19811224</enddate><creator>NOVELLO,LEONCINI</creator><creator>TOMMASO,BENAI</creator><creator>UGO,PAOLETTI</creator><scope>EVB</scope></search><sort><creationdate>19811224</creationdate><title>Process for continuous spinning of viscose rayon</title><author>NOVELLO,LEONCINI ; TOMMASO,BENAI ; UGO,PAOLETTI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_DE3100368A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; ger</language><creationdate>1981</creationdate><topic>APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS</topic><topic>CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS</topic><topic>MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS</topic><topic>NATURAL OR ARTIFICIAL THREADS OR FIBRES</topic><topic>SPINNING</topic><topic>TEXTILES</topic><toplevel>online_resources</toplevel><creatorcontrib>NOVELLO,LEONCINI</creatorcontrib><creatorcontrib>TOMMASO,BENAI</creatorcontrib><creatorcontrib>UGO,PAOLETTI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NOVELLO,LEONCINI</au><au>TOMMASO,BENAI</au><au>UGO,PAOLETTI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Process for continuous spinning of viscose rayon</title><date>1981-12-24</date><risdate>1981</risdate><abstract>Process for continuous spinning of viscose rayon, characterised in that the extruded filaments are partially coagulated and completely stretched and subsequently subjected to a postcoagulation treatment without stretching until a coagulation index between 0 and 1 is achieved. The filaments are then subjected to all necessary further operations. The postcoagulation treatment is carried out in two stages, in a first stage without treatment of the filaments and in a second stage in which the filaments are brought into contact with an acid bath at a temperature between 50 and 100 DEG C. The process of the invention makes it possible to increase the treatment speed without increasing the dimensions of the treatment zones and hence the apparatus, which represents an appreciable economic and technical advance.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; ger |
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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 continuous spinning of viscose rayon |
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