US2017114477A1PendingUtilityA1

System for industrial yarn production from composite polyethylene naphthalate material

Assignee: KORDSA GLOBAL ENDUSTRIYEL IPLIK VE KORD BEZI SANAYI VE TICARET ASPriority: Apr 1, 2014Filed: Mar 25, 2015Published: Apr 27, 2017
Est. expiryApr 1, 2034(~7.7 yrs left)· nominal 20-yr term from priority
D01D 5/16D01D 10/02D01D 13/00D01F 6/92
16
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Claims

Abstract

The present invention relates to a system for industrial polyester yarn production in order to be used in industrial fabric production wherein polyethylene naphthalate (PEN) material is used mixing with liquid crystal polymer material and thus the tenacity, elastic modulus and dimensional stability of the obtained material is improved.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A system for industrial yarn production from composite polyethylene naphthalate material comprising:
 at least one raw mixture forming unit wherein the raw polymer particles are prepared,   at least one primary mixture forming unit wherein the primary polymer mixture is obtained and become particles by using raw polymer particles,   at least one primary particle loading unit wherein the polymer particles forming the primary mixture are filled and heated,   at least one extruder wherein the primary polymer mixture obtained in primary particle loading unit are melted and become filaments with the help of the spinneret located at the exit,   at least one cooling unit wherein the material coining from the extruder is cooled,   at least one roller wherein the material is drawn and oriented,   at least one hot chamber wherein the material is annealed,   at least one winding unit wherein the material is drawn via the rollers by cooling and heating is wound as yarn, wherein   polyethylene naphthalate (PEN) and the liquid crystal polymer (LCP) are mixed in ratio of 60:40 respectively in raw mixture forming unit, and   The LCP ratio in the mixture is decreased to 1-3% by weight by diluting the raw mixture with PEN in primary mixture forming unit.   
     
     
         2 . The system for industrial yarn production from composite polyethylene naphthalate material according to  claim 1 , wherein raw mixture forming unit which has at least one raw particle loading unit wherein the polyethylene naphthalate (PEN) and the liquid crystal polymer (LCP) is mixed by loading in ratio of 60:40 by weight respectively, at least one raw molten extruder wherein raw mixture is melted and extruded; at least one raw molten cooling unit wherein the material coming out of the raw molten extruder is cooled. 
     
     
         3 . The system for industrial yarn production from composite polyethylene naphthalate material according to  claim 1 , wherein the primary mixture forming unit which has at least one particle loading and diluting unit wherein the polymer particles coming from the raw mixture forming unit are melted and diluted with PEN such that the LCP ratio will be 1-3% by weight; at least one primary molten extruder wherein the primary raw molten mixture is extruded, at least one primary molten cooling unit wherein the material going out of the main molten extruder is cooled. 
     
     
         4 . The system for industrial yam production from composite polyethylene naphthalate material according to  claim 1 , wherein the particle loading and diluting unit wherein PEN is added until the LCP ratio in the mixture is 1-3% by weight the raw PEN-LCP mixture is extruded at 260-300° C. 
     
     
         5 . The system for industrial yarn production from composite polyethylene naphthalate material according to  claim 1 , wherein the primary particle loading unit wherein the particles obtained at. the primary mixture forming unit outlet are loaded at nitrogen atmosphere at 120° C. after being dried in vacuum furnace for at least 24 hours at 120-140° C. 
     
     
         6 . The system for industrial yarn production from composite polyethylene naphthalate material according to  claim 1 , wherein the extruder ( 5 ) wherein the primary polymer mixture is become filament, and which has a spinneret with length/diameter ratio of 2-5 and the hole diameter is 1 mm. 
     
     
         7 . The system for industrial yarn production from composite polyethylene naphthalate material according to  claim 1 , wherein the extruder wherein the jet velocity of the polymer mixture as filament is 6-7 m/min. 
     
     
         8 . The system for industrial yarn production from composite polyethylene naphthalate material according to  claim 1 , wherein the extruder wherein the throughput of the polymer mixture as filament is adjusted as 6-7 g/min. 
     
     
         9 . The system for industrial yarn production from composite polyethylene naphthalate material according to  claim 1 , wherein the cooling unit wherein the filament coming out of the extruder is cooled with cooling water at 80-95° C. 
     
     
         10 . The system for industrial yarn production from composite polyethylene naphthalate material according to  claim 1 , wherein the primary roller to which the filament coming out of the cooling unit is transferred, at temperature of 100-140° C. 
     
     
         11 . The system for industrial yarn production from composite polyethylene naphthalate material according to  claim 1 , wherein the secondary roller at temperature of 140-160° C. to which the filament coming out of the primary roller is transferred and wherein cold drawing is applied on the filament, 
     
     
         12 . The system for industrial yarn production from composite polyethylene naphthalate material according to  claim 1 , wherein the first hot chamber to which the filament coining out of the secondary roller is transferred and in which it is used with hot air at temperature of 200-250° C. 
     
     
         13 . The system for industrial yarn production from composite polyethylene naphthalate material according to  claim 1 , wherein the tertiary roller at temperature of 200-250° C. to which the filament coining out of the first hot chamber) is transferred and wherein hot drawing is applied on the filament. 
     
     
         14 . The system for industrial yarn production from composite polyethylene naphthalate material according to  claim 1 , wherein the second hot chamber at temperature of 120-180° C. to which the filament coming out of tertiary roller is transferred. 
     
     
         15 . The system for industrial yarn production from composite polyethylene naphthalate material according to  claim 1 , wherein the quaternary roller without heating to which the filament coining out of the second hot chamber—is transferred and wherein hot drawing is applied on the filament. 
     
     
         16 . The system for industrial yarn production from composite polyethylene naphthalate material according to  claim 1 , wherein the winding unit wherein the filament coming out of the tertiary cylinder is wound as yarn by relaxing 1-2%. 
     
     
         17 . The system for industrial yarn production from composite polyethylene naphthalate material according to  claim 2 , wherein the primary mixture forming unit which has at least one particle loading and diluting unit wherein the polymer particles coming from the raw mixture forming unit are melted and diluted with PEN such that the LCP ratio will be 1-3% by weight; at least one primary molten extruder wherein the primary raw molten mixture is extruded, at least one primary molten cooling unit wherein the material going out of the main molten extruder is cooled. 
     
     
         18 . The system for industrial yarn production from composite polyethylene naphthalate material according to  claim 2 , wherein the particle loading and diluting unit wherein PEN is added until the LCP ratio in the mixture is 1-3% by weight the raw PEN-LCP mixture is extruded at 260-300° C. 
     
     
         19 . The system for industrial yarn production from composite polyethylene naphthalate material according to  claim 3 , wherein the particle loading and diluting unit wherein PEN is added until the LCP ratio in the mixture is 1-3, by weight the raw PEN-LCP mixture is extruded at 260-300° C.

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