Process for making high-performance polyethylene multifilament yarn
The invention relates to a process for making high-performance polyethylene multi-filament yarn comprising the steps of a) making a solution of ultra-high molar mass polyethylene in a solvent; b) spinning of the solution through a spinplate containing at least 5 spinholes into an air-gap to form flu...
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| creator | Jacobs Martinus Johannes Nicolaas Mencke Jacobus Johannes Marissen Roeloef Simmelink Joseph Arnold Paul Maria |
| description | The invention relates to a process for making high-performance polyethylene multi-filament yarn comprising the steps of a) making a solution of ultra-high molar mass polyethylene in a solvent; b) spinning of the solution through a spinplate containing at least 5 spinholes into an air-gap to form fluid filaments, while applying a draw ratio DRfluid; c) cooling the fluid filaments to form solvent-containing gel filaments; d) removing at least partly the solvent from the filaments; and e) drawing the filaments in at least one step before, during and/or after said solvent removing, while applying a draw ratio DRsolid of at least 4, wherein in step b) each spinhole comprises a contraction zone of specific dimension and a downstream zone of diameter Dn and length Ln with Ln/Dn of from 0 to at most 25, to result in a draw ratio DRfluid=DRsp*DRag of at least 150, wherein DRsp is the draw ratio in the spinholes and DRag is the draw ratio in the air-gap, with DRsp being greater than 1 and DRag at least 1. The invention further relates to a high-performance polyethylene multifilament yarn, and to semi-finished or end-use products containing said yarn, especially to ropes and ballistic-resistant composites. |
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The invention further relates to a high-performance polyethylene multifilament yarn, and to semi-finished or end-use products containing said yarn, especially to ropes and ballistic-resistant composites.</description><language>eng</language><subject>APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS ; ARMOUR ; ARMOURED OR ARMED VEHICLES ; ARMOURED TURRETS ; BLASTING ; CABLES OTHER THAN ELECTRIC ; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES ; CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS ; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR ; HEATING ; HUMAN NECESSITIES ; HYGIENE ; LIGHTING ; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS ; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES ; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL ; MECHANICAL ENGINEERING ; MECHANICAL FINISHING OF YARNS OR ROPES ; MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS ; MEDICAL OR VETERINARY SCIENCE ; METALLURGY ; METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ; NATURAL OR ARTIFICIAL THREADS OR FIBRES ; ORGANIC MACROMOLECULAR COMPOUNDS ; ROPES ; ROPES OR CABLES IN GENERAL ; SPINNING ; TEXTILES ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; WARPING OR BEAMING ; WEAPONS ; YARNS ; YARNS OR THREADS</subject><creationdate>2017</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=20170912&DB=EPODOC&CC=US&NR=9759525B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20170912&DB=EPODOC&CC=US&NR=9759525B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Jacobs Martinus Johannes Nicolaas</creatorcontrib><creatorcontrib>Mencke Jacobus Johannes</creatorcontrib><creatorcontrib>Marissen Roeloef</creatorcontrib><creatorcontrib>Simmelink Joseph Arnold Paul Maria</creatorcontrib><title>Process for making high-performance polyethylene multifilament yarn</title><description>The invention relates to a process for making high-performance polyethylene multi-filament yarn comprising the steps of a) making a solution of ultra-high molar mass polyethylene in a solvent; b) spinning of the solution through a spinplate containing at least 5 spinholes into an air-gap to form fluid filaments, while applying a draw ratio DRfluid; c) cooling the fluid filaments to form solvent-containing gel filaments; d) removing at least partly the solvent from the filaments; and e) drawing the filaments in at least one step before, during and/or after said solvent removing, while applying a draw ratio DRsolid of at least 4, wherein in step b) each spinhole comprises a contraction zone of specific dimension and a downstream zone of diameter Dn and length Ln with Ln/Dn of from 0 to at most 25, to result in a draw ratio DRfluid=DRsp*DRag of at least 150, wherein DRsp is the draw ratio in the spinholes and DRag is the draw ratio in the air-gap, with DRsp being greater than 1 and DRag at least 1. The invention further relates to a high-performance polyethylene multifilament yarn, and to semi-finished or end-use products containing said yarn, especially to ropes and ballistic-resistant composites.</description><subject>APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS</subject><subject>ARMOUR</subject><subject>ARMOURED OR ARMED VEHICLES</subject><subject>ARMOURED TURRETS</subject><subject>BLASTING</subject><subject>CABLES OTHER THAN ELECTRIC</subject><subject>CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES</subject><subject>CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</subject><subject>CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS</subject><subject>DISINFECTION, STERILISATION, OR DEODORISATION OF AIR</subject><subject>HEATING</subject><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>LIGHTING</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</subject><subject>MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES</subject><subject>MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>MECHANICAL FINISHING OF YARNS OR ROPES</subject><subject>MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><subject>METALLURGY</subject><subject>METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL</subject><subject>NATURAL OR ARTIFICIAL THREADS OR FIBRES</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>ROPES</subject><subject>ROPES OR CABLES IN GENERAL</subject><subject>SPINNING</subject><subject>TEXTILES</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>WARPING OR BEAMING</subject><subject>WEAPONS</subject><subject>YARNS</subject><subject>YARNS OR THREADS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHAOKMpPTi0uVkjLL1LITczOzEtXyMhMz9AtSC0CCuUm5iWnKhTk51SmlmRU5qTmpSrkluaUZKZl5iTmpuaVKFQmFuXxMLCmJeYUp_JCaW4GBTfXEGcP3dSC_PjU4oLEZKC-kvjQYEtzU0tTI1MnI2MilAAAd_4zIw</recordid><startdate>20170912</startdate><enddate>20170912</enddate><creator>Jacobs Martinus Johannes Nicolaas</creator><creator>Mencke Jacobus Johannes</creator><creator>Marissen Roeloef</creator><creator>Simmelink Joseph Arnold Paul Maria</creator><scope>EVB</scope></search><sort><creationdate>20170912</creationdate><title>Process for making high-performance polyethylene multifilament yarn</title><author>Jacobs Martinus Johannes Nicolaas ; Mencke Jacobus Johannes ; Marissen Roeloef ; Simmelink Joseph Arnold Paul Maria</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US9759525B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2017</creationdate><topic>APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS</topic><topic>ARMOUR</topic><topic>ARMOURED OR ARMED VEHICLES</topic><topic>ARMOURED TURRETS</topic><topic>BLASTING</topic><topic>CABLES OTHER THAN ELECTRIC</topic><topic>CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES</topic><topic>CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</topic><topic>CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS</topic><topic>DISINFECTION, STERILISATION, OR DEODORISATION OF AIR</topic><topic>HEATING</topic><topic>HUMAN NECESSITIES</topic><topic>HYGIENE</topic><topic>LIGHTING</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</topic><topic>MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES</topic><topic>MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>MECHANICAL FINISHING OF YARNS OR ROPES</topic><topic>MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS</topic><topic>MEDICAL OR VETERINARY SCIENCE</topic><topic>METALLURGY</topic><topic>METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL</topic><topic>NATURAL OR ARTIFICIAL THREADS OR FIBRES</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>ROPES</topic><topic>ROPES OR CABLES IN GENERAL</topic><topic>SPINNING</topic><topic>TEXTILES</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>WARPING OR BEAMING</topic><topic>WEAPONS</topic><topic>YARNS</topic><topic>YARNS OR THREADS</topic><toplevel>online_resources</toplevel><creatorcontrib>Jacobs Martinus Johannes Nicolaas</creatorcontrib><creatorcontrib>Mencke Jacobus Johannes</creatorcontrib><creatorcontrib>Marissen Roeloef</creatorcontrib><creatorcontrib>Simmelink Joseph Arnold Paul Maria</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Jacobs Martinus Johannes Nicolaas</au><au>Mencke Jacobus Johannes</au><au>Marissen Roeloef</au><au>Simmelink Joseph Arnold Paul Maria</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Process for making high-performance polyethylene multifilament yarn</title><date>2017-09-12</date><risdate>2017</risdate><abstract>The invention relates to a process for making high-performance polyethylene multi-filament yarn comprising the steps of a) making a solution of ultra-high molar mass polyethylene in a solvent; b) spinning of the solution through a spinplate containing at least 5 spinholes into an air-gap to form fluid filaments, while applying a draw ratio DRfluid; c) cooling the fluid filaments to form solvent-containing gel filaments; d) removing at least partly the solvent from the filaments; and e) drawing the filaments in at least one step before, during and/or after said solvent removing, while applying a draw ratio DRsolid of at least 4, wherein in step b) each spinhole comprises a contraction zone of specific dimension and a downstream zone of diameter Dn and length Ln with Ln/Dn of from 0 to at most 25, to result in a draw ratio DRfluid=DRsp*DRag of at least 150, wherein DRsp is the draw ratio in the spinholes and DRag is the draw ratio in the air-gap, with DRsp being greater than 1 and DRag at least 1. The invention further relates to a high-performance polyethylene multifilament yarn, and to semi-finished or end-use products containing said yarn, especially to ropes and ballistic-resistant composites.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS ARMOUR ARMOURED OR ARMED VEHICLES ARMOURED TURRETS BLASTING CABLES OTHER THAN ELECTRIC CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR HEATING HUMAN NECESSITIES HYGIENE LIGHTING MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL MECHANICAL ENGINEERING MECHANICAL FINISHING OF YARNS OR ROPES MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS MEDICAL OR VETERINARY SCIENCE METALLURGY METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS ROPES ROPES OR CABLES IN GENERAL SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP WARPING OR BEAMING WEAPONS YARNS YARNS OR THREADS |
| title | Process for making high-performance polyethylene multifilament yarn |
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