DEVICE, SYSTEM AND METHOD FOR EXTRACTING A SOLVENT FROM AT LEAST ONE POLYMERIC YARN
The present invention is directed to a method and a system for the production of at least one polymeric yarn comprising means for mixing a polymer (1) with a first solvent yielding a mixture; means for homogenizing the mixture; means for rendering the mixture inert (21, 22, 23); means for dipping th...
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| creator | SANTA ROSA, Leandro, Ohara, Oliveira ALMEIDA, Sérgio, Luiz, Dias BERNARDI, Alessandro PENAQUIONI, André BUENO, Marcos, Roberto, Paulino FIALHO, Patrícia, Freitas, Oliveira RAUBER, Daniela, Zaira |
| description | The present invention is directed to a method and a system for the production of at least one polymeric yarn comprising means for mixing a polymer (1) with a first solvent yielding a mixture; means for homogenizing the mixture; means for rendering the mixture inert (21, 22, 23); means for dipping the mixture into a quenching bath (30), wherein an air gap is maintained before the mixture reaches the quenching bath (30) liquid surface forming at least one polymeric yarn; means for drawing (41) the at least one polymeric yarn at least once; means for washing (5) the at least one polymeric yarn with a second solvent that is more volatile than the first solvent; means for heating the at least one polymeric yarn (6); means for drawing at room temperature (7) the at least one polymeric yarn at least once; and means for heat drawing (8) the at least one polymeric yarn at least once.At least one liquid of the polymeric yarn surface is mechanically retained in a first pre-recovery enclosure (42), wherein the step of mechanically retaining comprises at least one of generating an air flow against the surface of the at least one gel yarn, and tangentially scraping the liquid from accumulator rolls (420,440). |
| format | Patent |
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ALMEIDA, Sérgio, Luiz, Dias ; BERNARDI, Alessandro ; PENAQUIONI, André ; BUENO, Marcos, Roberto, Paulino ; FIALHO, Patrícia, Freitas, Oliveira ; RAUBER, Daniela, Zaira</creatorcontrib><description>The present invention is directed to a method and a system for the production of at least one polymeric yarn comprising means for mixing a polymer (1) with a first solvent yielding a mixture; means for homogenizing the mixture; means for rendering the mixture inert (21, 22, 23); means for dipping the mixture into a quenching bath (30), wherein an air gap is maintained before the mixture reaches the quenching bath (30) liquid surface forming at least one polymeric yarn; means for drawing (41) the at least one polymeric yarn at least once; means for washing (5) the at least one polymeric yarn with a second solvent that is more volatile than the first solvent; means for heating the at least one polymeric yarn (6); means for drawing at room temperature (7) the at least one polymeric yarn at least once; and means for heat drawing (8) the at least one polymeric yarn at least once.At least one liquid of the polymeric yarn surface is mechanically retained in a first pre-recovery enclosure (42), wherein the step of mechanically retaining comprises at least one of generating an air flow against the surface of the at least one gel yarn, and tangentially scraping the liquid from accumulator rolls (420,440).</description><language>eng ; fre ; ger</language><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR ; LAUNDERING ; MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS ; NATURAL OR ARTIFICIAL THREADS OR FIBRES ; PERFORMING OPERATIONS ; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR ; SHAPING OR JOINING OF PLASTICS ; SPINNING ; TEXTILES ; TRANSPORTING ; TREATING TEXTILE MATERIALS BY LIQUIDS, GASES OR VAPOURS ; TREATMENT OF TEXTILES OR THE LIKE ; WORKING OF PLASTICS ; 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means for homogenizing the mixture; means for rendering the mixture inert (21, 22, 23); means for dipping the mixture into a quenching bath (30), wherein an air gap is maintained before the mixture reaches the quenching bath (30) liquid surface forming at least one polymeric yarn; means for drawing (41) the at least one polymeric yarn at least once; means for washing (5) the at least one polymeric yarn with a second solvent that is more volatile than the first solvent; means for heating the at least one polymeric yarn (6); means for drawing at room temperature (7) the at least one polymeric yarn at least once; and means for heat drawing (8) the at least one polymeric yarn at least once.At least one liquid of the polymeric yarn surface is mechanically retained in a first pre-recovery enclosure (42), wherein the step of mechanically retaining comprises at least one of generating an air flow against the surface of the at least one gel yarn, and tangentially scraping the liquid from accumulator rolls (420,440).</description><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</subject><subject>FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR</subject><subject>LAUNDERING</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>PERFORMING OPERATIONS</subject><subject>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</subject><subject>SHAPING OR JOINING OF PLASTICS</subject><subject>SPINNING</subject><subject>TEXTILES</subject><subject>TRANSPORTING</subject><subject>TREATING TEXTILE MATERIALS BY LIQUIDS, GASES OR VAPOURS</subject><subject>TREATMENT OF TEXTILES OR THE LIKE</subject><subject>WORKING OF PLASTICS</subject><subject>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyjEKwjAUBuAuDqLe4T-AQrXSPaYvtpDmleRRmqkUiZNood4fHTyA07d86yxU1Dea9ggxCLVQrkJLUnMFwx40iFdaGneFQmDbkxMYz98osKSCgB2hYxtb8o1GVN5ts9V9eixp93OTwZDo-pDm15iWebqlZ3qP1BV5eS5P-eVY_FE-dpYvIQ</recordid><startdate>20190515</startdate><enddate>20190515</enddate><creator>SANTA ROSA, Leandro, Ohara, Oliveira</creator><creator>ALMEIDA, Sérgio, Luiz, Dias</creator><creator>BERNARDI, Alessandro</creator><creator>PENAQUIONI, André</creator><creator>BUENO, Marcos, Roberto, Paulino</creator><creator>FIALHO, Patrícia, Freitas, Oliveira</creator><creator>RAUBER, Daniela, Zaira</creator><scope>EVB</scope></search><sort><creationdate>20190515</creationdate><title>DEVICE, SYSTEM AND METHOD FOR EXTRACTING A SOLVENT FROM AT LEAST ONE POLYMERIC YARN</title><author>SANTA ROSA, Leandro, Ohara, Oliveira ; 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means for homogenizing the mixture; means for rendering the mixture inert (21, 22, 23); means for dipping the mixture into a quenching bath (30), wherein an air gap is maintained before the mixture reaches the quenching bath (30) liquid surface forming at least one polymeric yarn; means for drawing (41) the at least one polymeric yarn at least once; means for washing (5) the at least one polymeric yarn with a second solvent that is more volatile than the first solvent; means for heating the at least one polymeric yarn (6); means for drawing at room temperature (7) the at least one polymeric yarn at least once; and means for heat drawing (8) the at least one polymeric yarn at least once.At least one liquid of the polymeric yarn surface is mechanically retained in a first pre-recovery enclosure (42), wherein the step of mechanically retaining comprises at least one of generating an air flow against the surface of the at least one gel yarn, and tangentially scraping the liquid from accumulator rolls (420,440).</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR LAUNDERING MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS NATURAL OR ARTIFICIAL THREADS OR FIBRES PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SPINNING TEXTILES TRANSPORTING TREATING TEXTILE MATERIALS BY LIQUIDS, GASES OR VAPOURS TREATMENT OF TEXTILES OR THE LIKE WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | DEVICE, SYSTEM AND METHOD FOR EXTRACTING A SOLVENT FROM AT LEAST ONE POLYMERIC YARN |
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