CN101935894A - Method and equipment for preparing ultrahigh molecular weight polyethylene fibers - Google Patents
Method and equipment for preparing ultrahigh molecular weight polyethylene fibers Download PDFInfo
- Publication number
- CN101935894A CN101935894A CN 201010270165 CN201010270165A CN101935894A CN 101935894 A CN101935894 A CN 101935894A CN 201010270165 CN201010270165 CN 201010270165 CN 201010270165 A CN201010270165 A CN 201010270165A CN 101935894 A CN101935894 A CN 101935894A
- Authority
- CN
- China
- Prior art keywords
- molecular weight
- weight polyethylene
- melt
- ultra
- high molecular
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
Abstract
The invention discloses a method and equipment for preparing ultrahigh molecular weight polyethylene fibers. The method comprises the following steps of: blending and melting ultrahigh molecular weight polyethylene and a modifier to prepare a granular or powdery modified ultrahigh molecular weight polyethylene raw material; melting and extruding the raw material by using an extruder to form melt of which a flow rate is 0.01 to 0.2 grams per 10 minutes, feeding the melt to a spinning mould by using a melt pump to form melt strips, and cooling and pre-stretching the melt strips to obtain primary yarns; and stretching the primary yarns in a plurality of stages to obtain the ultrahigh molecular weight polyethylene fibers. The equipment comprises the extruder, the melt pump, the spinning mould, a cooling channel, a three-roller tractor, a primary hot-stretching box, a first seven-roller tractor, a secondary hot-stretching box, a second seven-roller tractor, a rinsing trough, a drying box and a winder which are arranged sequentially. The method and the equipment have the characteristics of continuous production capability, relatively shorter process flow, relatively fewer equipment components, no need of solvent, low production cost and the like.
Description
Technical field
The invention belongs to field of polymer material preparing technology, specifically adopt melt spinning process to prepare the new method of superhigh molecular weight polyethylene fibers, and the equipment used of this method.
Background technology
Superhigh molecular weight polyethylene fibers is one of three big high-tech fibers, is the highest fiber of having commercially produced of specific strength, is mainly used in fields such as security protection, aviation, weapons, physical culture.Ultra-high molecular weight polyethylene (Ultra-high Molecular Polyethylene, be called for short UHMWPE) is meant that viscosity average molecular weigh is greater than 1,500,000 linear polyethylene.Its chain structure is typical linear structure, and side chain is few, and well below common polythene, branch point is less than 1/1000, and the macromolecular chain overlength reaches tens thousand of nanometers, therefore is the ideal material of preparation flexible chain high strength fibre.But because the melt of UHMWPE is an elastomer, therefore can not as PE, PP, PET etc. have the material of good fluidity, carry out melt spinning, can only adopt a kind of special solution spinning-gel spinning to prepare the UHMWPE fiber.Pennings etc. has proposed the notion of UHMWPE gel spinning the seventies in last century, and Smith of Dutch DSM N. V. in 1979 and Lemstra have invented the technology that gel spinning prepares the UHMWPE fiber, have obtained BP GB2042414 and GB2051667.Nineteen eighty-two, the AlliedSinal company (now for Honeywell company) of the U.S. also obtained the patent US4413110 of UHMWPE fiber.DSM N. V. has realized the suitability for industrialized production of UHMWPE fiber in nineteen ninety.The domestic research that begins the UHMWPE fiber from the eighties in last century; China Textile University (Donghua University) has carried out long-term comprehensively research; realized the suitability for industrialized production of UHMWPE fiber; and made the complete set of equipments of gel spinning with the refreshing safe scientific ﹠ technical corporation in Jiangsu joint study, like that by Shandong companies such as Thailand, Ningbo great achievement have realized large-scale production in ground, Beijing Si Tedun, the Hunan.China Textile Science Inst. has also carried out relevant work, and has obtained patent ZL9701010.2.The main technique step that gel spinning prepares the UHMWPE fiber is: the UHMWPE powder is dissolved in solvent is mixed with UHMWPE solution, extrude by screw extruder, spinnerets ejection through spinning manifold, cooled and solidified becomes as-spun fibre, as-spun fibre reclaims through solvent extraction or solvent evaporates, surpass times hot-stretch and HEAT SETTING then, obtain finished fiber at last.The shortcoming of gel spinning maximum is a large amount of inflammable and explosive or even poisonous solvents that use, complex manufacturing, and production cost is very high.
Summary of the invention
So one of task of the present invention takes gel spinning to prepare the above-mentioned technological deficiency that superhigh molecular weight polyethylene fibers exists at prior art, and a kind of preparation method of superhigh molecular weight polyethylene fibers is provided; This preparation method mainly adopts melt spinning process to prepare superhigh molecular weight polyethylene fibers, has that technological process is simple, production cost is lower and the characteristics of Environmental Safety.
A kind of equipment of providing said method to use is provided two of task of the present invention.
For realizing foregoing invention task one, its technical solution is:
A kind of preparation method of superhigh molecular weight polyethylene fibers may further comprise the steps:
A chooses ultra-high molecular weight polyethylene and modifier blend after graininess or pulverous modified ultra-high molecular weight polyethylene raw material are made in fusion; Wherein the viscosity average molecular weigh of ultra-high molecular weight polyethylene is more than 1,500,000, modifier includes but not limited to organic montmorillonite and/or high molecule liquid crystal and/or organosilicon, and the content of ultra-high molecular weight polyethylene is greater than 90% in the modified ultra-high molecular weight polyethylene raw material;
B melt extrudes the formation melt with above-mentioned modified ultra-high molecular weight polyethylene raw material with extruder, through Melt Pump melt is sent to the spinning mould and forms the melt bar, the flow rate of melt is 0.01～0.2g/10min, and the melt bar through supercooling and predraft, obtains spun filament in blowing duct;
C with above-mentioned spun filament in the hot-stretch case behind multistage stretching, or after multistage stretching and postorder are handled, obtain superhigh molecular weight polyethylene fibers.
Among the above-mentioned steps a, the viscosity average molecular weigh of ultra-high molecular weight polyethylene is preferably 250～5,000,000, and the content of ultra-high molecular weight polyethylene is preferably 95～98% in the modified ultra-high molecular weight polyethylene raw material; Among the above-mentioned steps b, the operating temperature of extruder is 100～260 ℃, and the operating temperature of Melt Pump is 180～260 ℃, and output pressure is 10～50MPa, and the chilling temperature of blowing duct is 10～35 ℃, and the multiplying power of predraft is 2～20 times; Among the above-mentioned steps c, the progression of multistage stretching is 1～6 grade, 60～140 ℃ of draft temperatures, 6～30 times of total stretching ratios.
For realizing foregoing invention task two, its technical solution is:
The equipment that the preparation method of above-mentioned superhigh molecular weight polyethylene fibers uses comprises and presses inferior extruder, Melt Pump, spinning mould, blowing duct, three roller hauling machines, one-level hot-stretch case, the one or seven roller hauling machine, secondary hot-stretch case, the two or seven roller hauling machine, rinsing bowl, drying box and the up-coiler of arranging of rheme.
Above-mentioned extruder is single screw extrusion machine or double screw extruder, and the operating temperature of extruder is 100～260 ℃; Above-mentioned Melt Pump is for carrying the gear pump of higher viscoplasticity melt, and operating temperature is 180～260 ℃, and output pressure is 10～50MPa; The cooling medium of above-mentioned blowing duct is air, nitrogen or carbon dioxide, and chilling temperature is 10～35 ℃; The flow passage structure of above-mentioned spinning mould is through type, tubular type, rack-style or fishtail type, and the orifice diameter 0.5～6mm of the spinnerets of spinning mould, the mode of heating of spinning mould are direct electrical heating or heat-conducting oil heating; The thermal medium of above-mentioned one-level hot-stretch case or secondary hot-stretch case is liquid medium or gas medium, and liquid medium includes but not limited to water, silicone oil or glycerine, and the gas thermal medium includes but not limited to air, nitrogen or carbon dioxide, and draft temperature is 60～140 ℃.
The present invention has following useful technique effect:
The present invention have can produce continuously, technological process is short, equipment is formed less relatively and do not use characteristics such as solvent fully; The superhigh molecular weight polyethylene fibers of the present invention's preparation, its intensity is 1500～3000MPa, and modulus is 34000～70000MPa, and elongation at break is 2.5～4%, and every performance indications approach the superhigh molecular weight polyethylene fibers of gel spinning preparation.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing and the specific embodiment:
Figure is the structural principle schematic diagram of a kind of embodiment of equipment among the present invention.
The specific embodiment
Preparation method to the superhigh molecular weight polyethylene fibers among the present invention describes in the lump below in conjunction with the equipment among the present invention.
Referring to accompanying drawing, the equipment that the preparation method of superhigh molecular weight polyethylene fibers of the present invention uses comprises and presses inferior extruder 1, Melt Pump 4, spinning mould 5, blowing duct 6, three roller hauling machines 8, one-level hot-stretch case the 9, the 1 roller hauling machine 10, secondary hot-stretch case the 11, the 27 roller hauling machine 12, rinsing bowl 13, drying box 14 and the up-coiler 15 of arranging of rheme.Above-mentioned extruder is provided with drive motors 2 and hopper 3, is provided with godet roller 7 between blowing duct 6 and three roller hauling machines 8.Above-mentioned extruder 1 is single screw extrusion machine or double screw extruder, and the operating temperature of extruder 1 is 100～260 ℃; Above-mentioned Melt Pump 4 is for carrying the gear pump of higher viscoplasticity melt, and operating temperature is 180～260 ℃, and output pressure is 10～50MPa; The cooling medium of above-mentioned blowing duct 6 is air, nitrogen or carbon dioxide, and chilling temperature is 10～35 ℃; The flow passage structure of above-mentioned spinning mould 5 is through type, tubular type, rack-style or fishtail type, and the orifice diameter 0.5～6mm of the spinnerets of spinning mould, the mode of heating of spinning mould are direct electrical heating or heat-conducting oil heating; The thermal medium of above-mentioned one-level hot-stretch case 9 or secondary hot-stretch case 11 is liquid medium or gas medium, liquid medium includes but not limited to water, silicone oil or glycerine, the gas thermal medium includes but not limited to air, nitrogen or carbon dioxide, and draft temperature is 60～140 ℃.
Embodiment 1
Mixing, granulation in mixing formula double screw extruder after the ultra-high molecular weight polyethylene 95 parts (weight portion) of choosing viscosity average molecular weigh 3,000,000 and 5 parts of (weight portion) blend of organic montmorillonite, make granular ultra-high molecular weight polyethylene/Nano composite material of montmorillonite, i.e. the modified ultra-high molecular weight polyethylene raw material.
Ultra-high molecular weight polyethylene/Nano composite material of montmorillonite is melt extruded in Φ 90 single screw extrusion machines, 100 ℃ of extruder temperatures, 150 ℃ or 210 ℃, through Melt Pump voltage stabilizing and pressurization, the Melt Pump outlet pressure is that output pressure is 30MPa, form the melt bar of diameter 4mm again through the spinning mould, the melt bar cools off with nitrogen in blowing duct, 20 ℃ of wind-warm syndrome, wind speed 6m/s, carry out predraft with godet roller, 10 times of stretching ratios obtain spun filament, carry out secondary drawing then, the medium of one-level hot-stretch case is the water that contains 3% surfactant, temperature is 80 ℃, and stretching ratio is 8, and stretching-machine is the one or seven roller hauling machine.Secondary hot-stretch case medium is a silicone oil, and temperature is 100 ℃, and stretching ratio is 3, and stretching-machine is the two or seven roller hauling machine.Fiber after the secondary drawing is through washing, dry and reel and obtain the superhigh molecular weight polyethylene fibers of high-strength and high-modulus, fibre diameter 70～80 μ m, and TENSILE STRENGTH is 1700MPa, and modulus is 39000MPa, and elongation at break is 3%.
Mixing, granulation in mixing formula double screw extruder after the ultra-high molecular weight polyethylene 90 parts (weight portion) of choosing viscosity average molecular weigh 2,500,000 and 10 parts of (weight portion) blend of organic montmorillonite, make granular ultra-high molecular weight polyethylene/Nano composite material of montmorillonite, i.e. the modified ultra-high molecular weight polyethylene raw material.
Ultra-high molecular weight polyethylene/Nano composite material of montmorillonite is melt extruded in Φ 90 single screw extrusion machines, 220 ℃ or 260 ℃ of extruder temperatures, through Melt Pump voltage stabilizing and pressurization, the Melt Pump outlet pressure is that output pressure is 10MPa, form the melt bar of diameter 4mm again through the spinning mould, the melt bar cools off with nitrogen in blowing duct, 10 ℃ of wind-warm syndrome, wind speed 4m/s, carry out predraft with godet roller, 6 times of stretching ratios obtain spun filament, carry out three grades of stretchings then, the medium of one-level hot-stretch case is the water that contains 3% surfactant, temperature is 60 ℃, and stretching ratio is 8, and stretching-machine is the one or seven roller hauling machine.Secondary hot-stretch case medium is a silicone oil, and temperature is 100 ℃, and stretching ratio is 2.5, and stretching-machine is the two or seven roller hauling machine.Three grades of hot-stretch case media are silicone oil, and temperature is 160 ℃, and stretching ratio is 2, and stretching-machine also is one seven a roller hauling machine.Fiber after three grades of stretchings is through washing, dry and reel and obtain the superhigh molecular weight polyethylene fibers of high-strength and high-modulus, fibre diameter 60～70 μ m, and TENSILE STRENGTH is 2100MPa, and modulus is 46000MPa, and elongation at break is 2.6%.
Embodiment 3
Mixing, granulation in mixing formula double screw extruder after the ultra-high molecular weight polyethylene 92 parts (weight portion) of choosing viscosity average molecular weigh 1,500,000 and 8 parts of (weight portion) blend of organic montmorillonite, make granular ultra-high molecular weight polyethylene/Nano composite material of montmorillonite, i.e. the modified ultra-high molecular weight polyethylene raw material.
Above-mentioned ultra-high molecular weight polyethylene/Nano composite material of montmorillonite is melt extruded in Φ 90 single screw extrusion machines, 100 ℃ of extruder temperatures, 180 or 220 ℃, through Melt Pump voltage stabilizing and pressurization, the Melt Pump outlet pressure is that output pressure is 50MPa, form the melt bar of diameter 6mm again through the spinning mould, the melt bar cools off with nitrogen in blowing duct, 35 ℃ of wind-warm syndrome, wind speed 8m/s, carry out predraft with godet roller, 2 times of stretching ratios obtain spun filament, carry out three grades of stretchings then, the medium of one-level hot-stretch case is an air, temperature is 60 ℃, and stretching ratio is 10, and stretching-machine is seven roller hauling machines.Secondary hot-stretch case medium nitrogen, temperature is 120 ℃, and stretching ratio is 2, and stretching-machine is seven roller hauling machines.Three grades of hot-stretch case media are nitrogen, and temperature is 140 ℃, and stretching ratio is 1.5, and stretching-machine is seven roller hauling machines.Fiber after three grades of stretchings is directly reeled and is obtained the superhigh molecular weight polyethylene fibers of high-strength and high-modulus, fibre diameter 80～90 μ m, and TENSILE STRENGTH is 1500MPa, and modulus is 32000MPa, and elongation at break is 3.4%.
Embodiment 4
Obtaining powder raw material after the ultra-high molecular weight polyethylene 96 parts (weight portion) of choosing viscosity average molecular weigh 5,000,000 and 4 parts of (weight portion) blend of high molecule liquid crystal (LCP) is the modified ultra-high molecular weight polyethylene raw material, mixing in Φ 65 mixing formula double screw extruders then, extrude, 100 ℃ of extruder temperatures, 200 ℃ or 230 ℃, through Melt Pump voltage stabilizing and pressurization, the Melt Pump outlet pressure is that output pressure is 20MPa, form the melt bar of diameter 5mm again through the spinning mould, the melt bar cools off with nitrogen in blowing duct, 20 ℃ of wind-warm syndrome, wind speed 6m/s carries out predraft with godet roller, 20 times of stretching ratios, obtain spun filament, carry out secondary drawing then, the medium of one-level hot-stretch case is for containing silicone oil, and temperature is 80 ℃, stretching ratio is 6, and stretching-machine is seven roller hauling machines.Secondary hot-stretch case medium is a silicone oil, and temperature is 100 ℃, and stretching ratio is 3, and stretching-machine is seven roller hauling machines.Fiber after the secondary drawing is through washing, dry and reel and obtain the superhigh molecular weight polyethylene fibers of high-strength and high-modulus, fibre diameter 70～80 μ m, and TENSILE STRENGTH is 1600MPa, and modulus is 38000MPa, and elongation at break is 3%.
Embodiment 5
Obtaining powder raw material after the ultra-high molecular weight polyethylene 96 parts (weight portion) of choosing viscosity average molecular weigh 4,000,000 and 4 parts of (weight portion) blend of high molecule liquid crystal (LCP) is the modified ultra-high molecular weight polyethylene raw material, mixing in Φ 65 mixing formula double screw extruders then, extrude, 100 ℃～230 ℃ of extruder temperatures, through Melt Pump voltage stabilizing and pressurization, the Melt Pump outlet pressure is 30MPa, form the melt bar of diameter 4mm again through the spinning mould, the melt bar cools off with nitrogen in blowing duct, 20 ℃ of wind-warm syndrome, wind speed 6m/s carries out predraft with godet roller, 4 times of stretching ratios, obtain spun filament, carry out three grades of stretchings then, the medium of one-level hot-stretch case is an air, and temperature is 80 ℃, stretching ratio is 12, and stretching-machine is seven roller hauling machines.Secondary hot-stretch case medium nitrogen, temperature is 100 ℃, and stretching ratio is 10, and stretching-machine is seven roller hauling machines.Three grades of hot-stretch case media are nitrogen, and temperature is 120 ℃, and stretching ratio is 8, and stretching-machine is seven roller hauling machines.Fiber after three grades of stretchings is directly reeled and is obtained the superhigh molecular weight polyethylene fibers of high-strength and high-modulus, fibre diameter 80～90 μ m, and TENSILE STRENGTH is 1500MPa, and modulus is 32000MPa, and elongation at break is 3.4%.
Embodiment 6
Obtaining powder raw material after the ultra-high molecular weight polyethylene 97 parts (weight portion) of choosing viscosity average molecular weigh 3,000,000 and 3 parts of (weight portion) blend of liquid silicone is the modified ultra-high molecular weight polyethylene raw material, mixing in Φ 65 mixing formula double screw extruders then, extrude, 100 ℃～230 ℃ of extruder temperatures, through Melt Pump voltage stabilizing and pressurization, the Melt Pump outlet pressure is 30MPa, form the melt bar of diameter 2mm again through the spinning mould, the melt bar cools off with nitrogen in blowing duct, 20 ℃ of wind-warm syndrome, wind speed 6m/s carries out predraft with godet roller, 8 times of stretching ratios, obtain spun filament, carry out secondary drawing then, the medium of one-level hot-stretch case is for containing silicone oil, and temperature is 80 ℃, stretching ratio is 8, and stretching-machine is seven roller hauling machines.Secondary hot-stretch case medium is a silicone oil, and temperature is 100 ℃, and stretching ratio is 3, and stretching-machine is seven roller hauling machines.Fiber after the secondary drawing is through washing, dry and reel and obtain the superhigh molecular weight polyethylene fibers of high-strength and high-modulus, fibre diameter 70～80 μ m, and TENSILE STRENGTH is 1600MPa, and modulus is 38000MPa, and elongation at break is 3%.
Embodiment 7
Obtaining powder raw material after the ultra-high molecular weight polyethylene 100 parts (weight portion) of choosing viscosity average molecular weigh 3,500,000 and 3 parts of (weight portion) blend of liquid silicone is the modified ultra-high molecular weight polyethylene raw material, mixing in Φ 65 mixing formula double screw extruders then, extrude, 100 ℃～230 ℃ of extruder temperatures, through Melt Pump voltage stabilizing and pressurization, the Melt Pump outlet pressure is 30MPa, form the melt bar of diameter 4mm again through the spinning mould, the melt bar cools off with nitrogen in blowing duct, 20 ℃ of wind-warm syndrome, wind speed 6m/s carries out predraft with godet roller, 8 times of stretching ratios, obtain spun filament, carry out three grades of stretchings then, the medium of one-level hot-stretch case is an air, and temperature is 80 ℃, stretching ratio is 10, and stretching-machine is seven roller hauling machines.Secondary hot-stretch case medium nitrogen, temperature is 100 ℃, and stretching ratio is 2, and stretching-machine is seven roller hauling machines.Three grades of hot-stretch case media are nitrogen, and temperature is 120 ℃, and stretching ratio is 1.5, and stretching-machine is seven roller hauling machines.Fiber after three grades of stretchings is directly reeled and is obtained the superhigh molecular weight polyethylene fibers of high-strength and high-modulus, fibre diameter 80～90 μ m, and TENSILE STRENGTH is 1500MPa, and modulus is 32000MPa, and elongation at break is 3.4%.
Embodiment 8
Mixing, granulation in mixing formula double screw extruder after the ultra-high molecular weight polyethylene 96 parts (weight portion) of choosing viscosity average molecular weigh 3,000,000 and high molecule liquid crystal (LCP) 2 parts (weight portion) and 2 parts of (weight portion) blend of liquid silicone, make granular ultra-high molecular weight polyethylene/LCP/ organosilicon trielement composite material, i.e. modified ultra-high molecular weight polyethylene raw material.
The ultra-high molecular weight polyethylene three composite is melt extruded in Φ 90 single screw extrusion machines, 100 ℃～210 ℃ of extruder temperatures, through Melt Pump voltage stabilizing and pressurization (Melt Pump outlet pressure 30MPa), form the melt bar of diameter 4mm again through the spinning mould, the melt bar cools off with nitrogen in blowing duct, 20 ℃ of wind-warm syndrome, wind speed 6m/s carries out predraft with godet roller, 10 times of stretching ratios, obtain spun filament, carry out secondary drawing then, the medium of one-level hot-stretch case is the water that contains 3% surfactant, and temperature is 80 ℃, stretching ratio is 8, and stretching-machine is seven roller hauling machines.Secondary hot-stretch case medium is a silicone oil, and temperature is 100 ℃, and stretching ratio is 3, and stretching-machine is seven roller hauling machines.Fiber after the secondary drawing is through washing, dry and reel and obtain the superhigh molecular weight polyethylene fibers of high-strength and high-modulus, fibre diameter 80～90 μ m, and TENSILE STRENGTH is 1600MPa, and modulus is 38000MPa, and elongation at break is 3%.
Embodiment 9
Mixing, granulation in mixing formula double screw extruder after the ultra-high molecular weight polyethylene 96 parts (weight portion) of choosing viscosity average molecular weigh 3,000,000 and 2 parts of organic montmorillonites, high molecule liquid crystal (LCP) 1 part (weight portion) and 1 part of blend of liquid silicone, make granular ultra-high molecular weight polyethylene/imvite/LCP/ organosilicon quaternary composite, i.e. modified ultra-high molecular weight polyethylene raw material.
Ultra-high molecular weight polyethylene quaternary composite is melt extruded in Φ 90 single screw extrusion machines, 100 ℃～210 ℃ of extruder temperatures, through Melt Pump voltage stabilizing and pressurization (Melt Pump outlet pressure 30MPa), form the melt bar of diameter 4mm again through the spinning mould, the melt bar cools off with nitrogen in blowing duct, 20 ℃ of wind-warm syndrome, wind speed 6m/s carries out predraft with godet roller, 10 times of stretching ratios, obtain spun filament, carry out three grades of stretchings then, the medium of one-level hot-stretch case is the water that contains 3% surfactant, and temperature is 80 ℃, stretching ratio is 8, and stretching-machine is seven roller hauling machines.Secondary hot-stretch case medium is a silicone oil, and temperature is 100 ℃, and stretching ratio is 2.5, and stretching-machine is seven roller hauling machines.Three grades of hot-stretch case media are silicone oil, and temperature is 120 ℃, and stretching ratio is 2, and stretching-machine is seven roller hauling machines.Fiber after three grades of stretchings is through washing, dry and reel and obtain the superhigh molecular weight polyethylene fibers of high-strength and high-modulus, fibre diameter 60～70 μ m, and TENSILE STRENGTH is 1900MPa, and modulus is 42000MPa, and elongation at break is 2.6%.
Embodiment 10
Mixing, granulation in mixing formula double screw extruder after the ultra-high molecular weight polyethylene 96 parts (weight portion) of choosing viscosity average molecular weigh 3,000,000 and organic montmorillonite 2 parts (weight portion) and 2 parts of (weight portion) blend of liquid silicone, make granular ultra-high molecular weight polyethylene/montmorillonite/organic trielement composite material, i.e. the modified ultra-high molecular weight polyethylene raw material.
Above-mentioned ultra-high molecular weight polyethylene three composite is melt extruded in Φ 90 single screw extrusion machines, 100 ℃～210 ℃ of extruder temperatures, through Melt Pump voltage stabilizing and pressurization (Melt Pump outlet pressure 30MPa), form the melt bar of diameter 4mm again through the spinning mould, the melt bar cools off with nitrogen in blowing duct, 20 ℃ of wind-warm syndrome, wind speed 6m/s carries out predraft with godet roller, 10 times of stretching ratios, obtain spun filament, carry out three grades of stretchings then, the medium of one-level hot-stretch case is an air, and temperature is 80 ℃, stretching ratio is 10, and stretching-machine is seven roller hauling machines.Secondary hot-stretch case medium nitrogen, temperature is 100 ℃, and stretching ratio is 2, and stretching-machine is seven roller hauling machines.Three grades of hot-stretch case media are nitrogen, and temperature is 120 ℃, and stretching ratio is 1.5, and stretching-machine is seven roller hauling machines.Fiber after three grades of stretchings is directly reeled and is obtained the superhigh molecular weight polyethylene fibers of high-strength and high-modulus, fibre diameter 60～70 μ m, and TENSILE STRENGTH is 1600MPa, and modulus is 38000MPa, and elongation at break is 3.4%.
Need to prove, any equivalents that those skilled in the art have done under the instruction of this specification, or obviously variant all should be within protection scope of the present invention.
Claims (4)
1. the preparation method of a superhigh molecular weight polyethylene fibers is characterized in that may further comprise the steps:
A chooses ultra-high molecular weight polyethylene and modifier blend after graininess or pulverous modified ultra-high molecular weight polyethylene raw material are made in fusion; Wherein the viscosity average molecular weigh of ultra-high molecular weight polyethylene is more than 1,500,000, modifier includes but not limited to organic montmorillonite and/or high molecule liquid crystal and/or organosilicon, and the content of ultra-high molecular weight polyethylene is greater than 90% in the modified ultra-high molecular weight polyethylene raw material;
B melt extrudes the formation melt with above-mentioned modified ultra-high molecular weight polyethylene raw material with extruder, through Melt Pump melt is sent to the spinning mould and forms the melt bar, the flow rate of melt is 0.01～0.2g/10min, and the melt bar through supercooling and predraft, obtains spun filament in blowing duct;
C with above-mentioned spun filament in the hot-stretch case behind multistage stretching, or after multistage stretching and postorder are handled, obtain superhigh molecular weight polyethylene fibers.
2. the preparation method of superhigh molecular weight polyethylene fibers according to claim 1, it is characterized in that: among the described step a, the viscosity average molecular weigh of ultra-high molecular weight polyethylene is preferably 250～5,000,000, and the content of ultra-high molecular weight polyethylene is preferably 95～98% in the modified ultra-high molecular weight polyethylene raw material; Among the described step b, the operating temperature of extruder is 100～260 ℃, and the operating temperature of Melt Pump is 180～260 ℃, and output pressure is 10～50MPa, and the chilling temperature of blowing duct is 10～35 ℃, and the multiplying power of predraft is 2～20 times; Among the described step c, the progression of multistage stretching is 1～6 grade, 60～140 ℃ of draft temperatures, 6～30 times of total stretching ratios.
3. the equipment used of the preparation method of the described superhigh molecular weight polyethylene fibers of claim 1 is characterized in that comprising and presses extruder, Melt Pump, spinning mould, blowing duct, three roller hauling machines, one-level hot-stretch case, the one or seven roller hauling machine, secondary hot-stretch case, the two or seven roller hauling machine, rinsing bowl, drying box and the up-coiler that rheme time is arranged.
4. equipment according to claim 3 is characterized in that: described extruder is single screw extrusion machine or double screw extruder, and the operating temperature of extruder is 100～260 ℃; Above-mentioned Melt Pump is for carrying the gear pump of higher viscoplasticity melt, and operating temperature is 180～260 ℃, and output pressure is 10～50MPa; The cooling medium of above-mentioned blowing duct is air, nitrogen or carbon dioxide, and chilling temperature is 10～35 ℃; The flow passage structure of described spinning mould is through type, tubular type, rack-style or fishtail type, and the orifice diameter 0.5～6mm of the spinnerets of spinning mould, the mode of heating of spinning mould are direct electrical heating or heat-conducting oil heating; The thermal medium of described one-level hot-stretch case or secondary hot-stretch case is liquid medium or gas medium, and liquid medium includes but not limited to water, silicone oil or glycerine, and the gas thermal medium includes but not limited to air, nitrogen or carbon dioxide, and draft temperature is 60～140 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010270165 CN101935894A (en) | 2010-09-02 | 2010-09-02 | Method and equipment for preparing ultrahigh molecular weight polyethylene fibers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010270165 CN101935894A (en) | 2010-09-02 | 2010-09-02 | Method and equipment for preparing ultrahigh molecular weight polyethylene fibers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101935894A true CN101935894A (en) | 2011-01-05 |
Family
ID=43389452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010270165 Pending CN101935894A (en) | 2010-09-02 | 2010-09-02 | Method and equipment for preparing ultrahigh molecular weight polyethylene fibers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101935894A (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434076A (en) * | 2013-09-06 | 2013-12-11 | 山东通佳机械有限公司 | Extrusion molding method of high-strength foaming plate |
| CN103572502A (en) * | 2013-10-22 | 2014-02-12 | 王庆昭 | Preparation method of ultrahigh molecular weight polyethylene monofilament knotted fishing net |
| CN103668699A (en) * | 2013-11-27 | 2014-03-26 | 江苏中新资源集团有限公司 | Antibacterial fabric and production method thereof |
| CN103726113A (en) * | 2013-12-25 | 2014-04-16 | 中国科学院化学研究所 | Novel fiber-drawing hot bath medium and application thereof |
| CN103789860A (en) * | 2012-10-30 | 2014-05-14 | 中国石油化工股份有限公司 | High molecular weight polyethylene fiber, preparation method and application thereof |
| CN104250862A (en) * | 2014-08-22 | 2014-12-31 | 江苏六甲科技有限公司 | Molten preparation method of ultrahigh molecular weight polyethylene fiber |
| CN104328520A (en) * | 2014-09-23 | 2015-02-04 | 苏州瑞邦塑胶有限公司 | Flat membrane wire drawing method of plastic |
| CN104328531A (en) * | 2014-11-11 | 2015-02-04 | 江苏江南高纤股份有限公司 | Manufacturing method of hydrophilic polyester short fibers for directly spinning spun-laced non-woven fabric |
| CN104492160A (en) * | 2014-12-12 | 2015-04-08 | 王庆昭 | Ultra-high-molecular-weight polyethylene monofilament filter cloth and preparation method thereof |
| CN104711697A (en) * | 2015-04-01 | 2015-06-17 | 北京鼎中新材料技术研究院有限公司 | Polyethylene fiber and preparation method thereof |
| CN107460555A (en) * | 2017-06-29 | 2017-12-12 | 南京律智诚专利技术开发有限公司 | A kind of composite fibre processes remaining production equipment device |
| CN107778388A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Ultra-high molecular weight polyethylene continuous water cleaning device and method |
| CN108441976A (en) * | 2018-04-25 | 2018-08-24 | 青岛中科华联新材料股份有限公司 | A kind of ultra high molecular weight polyethylene films split fiber and preparation method thereof |
| CN108588865A (en) * | 2018-05-23 | 2018-09-28 | 史小军 | The Preparation equipment of high-quality high-strength high-modulus polyethylene fiber |
| CN109234845A (en) * | 2018-09-06 | 2019-01-18 | 山东莱威新材料有限公司 | A kind of superhigh molecular weight polyethylene flat silk and preparation method thereof |
| CN109233062A (en) * | 2018-09-21 | 2019-01-18 | 上海化工研究院有限公司 | It is a kind of prepare in strong fiber composite material and its quick molding method and application |
| CN109371475A (en) * | 2018-10-12 | 2019-02-22 | 中国石油化工股份有限公司 | A kind of spinning process of ultra-high molecular weight polyethylene |
| CN109487349A (en) * | 2018-09-12 | 2019-03-19 | 郭海洋 | A kind of preparation method of ultra-high molecular weight polyethylene monofilaments |
| CN110218382A (en) * | 2019-06-24 | 2019-09-10 | 西安安聚德纳米科技有限公司 | A kind of radome material and preparation method thereof |
| DE102022004396B3 (en) | 2022-11-24 | 2023-11-02 | Bundesrepublik Deutschland, vertr. durch das Bundesministerium der Verteidigung, vertr. durch das Bundesamt für Ausrüstung, Informationstechnik und Nutzung der Bundeswehr | Additive process for producing a component made of ultra-high molecular weight polyethylene and the associated print head |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0864589A2 (en) * | 1995-12-01 | 1998-09-16 | Chisso Corporation | Molded resin articles |
| CN1400342A (en) * | 2001-07-30 | 2003-03-05 | 中国石油化工股份有限公司 | Production method of high strength polyethylene fibre and fibre |
| CN1448546A (en) * | 2002-04-01 | 2003-10-15 | 阎镇达 | Method for spinning ultra -high strength ultra-high modules polyethylene fibre |
| US7423084B2 (en) * | 2002-02-15 | 2008-09-09 | Dsm Ip Assets B.V. | Method of producing high strength elongated products containing nanotubes |
| CN101476170A (en) * | 2008-12-29 | 2009-07-08 | 闫镇达 | Method and apparatus for producing high strength, high modulus polyethylene filament by melt drawing |
-
2010
- 2010-09-02 CN CN 201010270165 patent/CN101935894A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0864589A2 (en) * | 1995-12-01 | 1998-09-16 | Chisso Corporation | Molded resin articles |
| CN1400342A (en) * | 2001-07-30 | 2003-03-05 | 中国石油化工股份有限公司 | Production method of high strength polyethylene fibre and fibre |
| US7423084B2 (en) * | 2002-02-15 | 2008-09-09 | Dsm Ip Assets B.V. | Method of producing high strength elongated products containing nanotubes |
| CN1448546A (en) * | 2002-04-01 | 2003-10-15 | 阎镇达 | Method for spinning ultra -high strength ultra-high modules polyethylene fibre |
| CN101476170A (en) * | 2008-12-29 | 2009-07-08 | 闫镇达 | Method and apparatus for producing high strength, high modulus polyethylene filament by melt drawing |
Non-Patent Citations (1)
| Title |
|---|
| 《中国塑料》 20030831 王庆昭等 超高相对分子质量聚乙烯/ 纳米蒙脱土复合材料的制备与表征 第17卷, 第8期 * |
Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103789860A (en) * | 2012-10-30 | 2014-05-14 | 中国石油化工股份有限公司 | High molecular weight polyethylene fiber, preparation method and application thereof |
| CN103434076A (en) * | 2013-09-06 | 2013-12-11 | 山东通佳机械有限公司 | Extrusion molding method of high-strength foaming plate |
| CN103434076B (en) * | 2013-09-06 | 2016-04-06 | 山东通佳机械有限公司 | High strength foamed board extruding forming method |
| CN103572502B (en) * | 2013-10-22 | 2016-01-20 | 王庆昭 | Ultra-high molecular weight polyethylene monofilaments has knot fishing net preparation method |
| CN103572502A (en) * | 2013-10-22 | 2014-02-12 | 王庆昭 | Preparation method of ultrahigh molecular weight polyethylene monofilament knotted fishing net |
| CN103668699B (en) * | 2013-11-27 | 2015-05-20 | 乔德（南通）纺织品有限公司 | Antibacterial fabric and production method thereof |
| CN103668699A (en) * | 2013-11-27 | 2014-03-26 | 江苏中新资源集团有限公司 | Antibacterial fabric and production method thereof |
| CN103726113A (en) * | 2013-12-25 | 2014-04-16 | 中国科学院化学研究所 | Novel fiber-drawing hot bath medium and application thereof |
| CN104250862A (en) * | 2014-08-22 | 2014-12-31 | 江苏六甲科技有限公司 | Molten preparation method of ultrahigh molecular weight polyethylene fiber |
| CN104328520A (en) * | 2014-09-23 | 2015-02-04 | 苏州瑞邦塑胶有限公司 | Flat membrane wire drawing method of plastic |
| CN104328531A (en) * | 2014-11-11 | 2015-02-04 | 江苏江南高纤股份有限公司 | Manufacturing method of hydrophilic polyester short fibers for directly spinning spun-laced non-woven fabric |
| CN104492160A (en) * | 2014-12-12 | 2015-04-08 | 王庆昭 | Ultra-high-molecular-weight polyethylene monofilament filter cloth and preparation method thereof |
| CN104492160B (en) * | 2014-12-12 | 2016-01-13 | 王庆昭 | Ultra-high molecular weight polyethylene monofilaments filter cloth and preparation method thereof |
| CN104711697A (en) * | 2015-04-01 | 2015-06-17 | 北京鼎中新材料技术研究院有限公司 | Polyethylene fiber and preparation method thereof |
| CN107778388B (en) * | 2016-08-29 | 2019-12-27 | 中国石油化工股份有限公司 | Continuous washing device and method for ultrahigh molecular weight polyethylene |
| CN107778388A (en) * | 2016-08-29 | 2018-03-09 | 中国石油化工股份有限公司 | Ultra-high molecular weight polyethylene continuous water cleaning device and method |
| CN107460555A (en) * | 2017-06-29 | 2017-12-12 | 南京律智诚专利技术开发有限公司 | A kind of composite fibre processes remaining production equipment device |
| CN107460555B (en) * | 2017-06-29 | 2019-11-15 | 石连娥 | A kind of composite fibre processing remaining production equipment device |
| CN108441976B (en) * | 2018-04-25 | 2020-10-27 | 青岛中科华联新材料股份有限公司 | Ultrahigh molecular weight polyethylene split fiber and preparation method thereof |
| CN108441976A (en) * | 2018-04-25 | 2018-08-24 | 青岛中科华联新材料股份有限公司 | A kind of ultra high molecular weight polyethylene films split fiber and preparation method thereof |
| CN108588865A (en) * | 2018-05-23 | 2018-09-28 | 史小军 | The Preparation equipment of high-quality high-strength high-modulus polyethylene fiber |
| CN109234845A (en) * | 2018-09-06 | 2019-01-18 | 山东莱威新材料有限公司 | A kind of superhigh molecular weight polyethylene flat silk and preparation method thereof |
| CN109487349A (en) * | 2018-09-12 | 2019-03-19 | 郭海洋 | A kind of preparation method of ultra-high molecular weight polyethylene monofilaments |
| CN109233062A (en) * | 2018-09-21 | 2019-01-18 | 上海化工研究院有限公司 | It is a kind of prepare in strong fiber composite material and its quick molding method and application |
| CN109233062B (en) * | 2018-09-21 | 2023-11-07 | 上海化工研究院有限公司 | Composite material for preparing medium-strength fibers, rapid forming method and application thereof |
| CN109371475A (en) * | 2018-10-12 | 2019-02-22 | 中国石油化工股份有限公司 | A kind of spinning process of ultra-high molecular weight polyethylene |
| CN109371475B (en) * | 2018-10-12 | 2021-04-06 | 中国石油化工股份有限公司 | Spinning method of ultra-high molecular weight polyethylene |
| CN110218382B (en) * | 2019-06-24 | 2022-03-11 | 西安安聚德纳米科技有限公司 | Antenna housing material |
| CN110218382A (en) * | 2019-06-24 | 2019-09-10 | 西安安聚德纳米科技有限公司 | A kind of radome material and preparation method thereof |
| DE102022004396B3 (en) | 2022-11-24 | 2023-11-02 | Bundesrepublik Deutschland, vertr. durch das Bundesministerium der Verteidigung, vertr. durch das Bundesamt für Ausrüstung, Informationstechnik und Nutzung der Bundeswehr | Additive process for producing a component made of ultra-high molecular weight polyethylene and the associated print head |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101935894A (en) | Method and equipment for preparing ultrahigh molecular weight polyethylene fibers | |
| CN102002769B (en) | Preparation method of ultra-high molecular weight polyethylene fiber | |
| CN108660535B (en) | Special fiber forming material for modified ultrahigh molecular weight polyethylene, preparation method thereof and melt spinning fiber forming method | |
| CN103305954B (en) | A kind of method for preparing ultra-high molecular weight polyethylene fibers | |
| CN104419996A (en) | Production method of ultrahigh molecular weight polyethylene fiber | |
| CN103726126B (en) | PET is utilized to produce the method for flat filament | |
| CN1221690C (en) | Production method of high strength polyethylene fibre and fibre | |
| CN102505158A (en) | High-concentration preparation method for ultra-high molecular weight polyethylene fiber | |
| CN109487349A (en) | A kind of preparation method of ultra-high molecular weight polyethylene monofilaments | |
| CN109440215A (en) | A kind of preparation method of high-performance polyethylene fibres | |
| CN104313709A (en) | Ultrahigh molecular weight polyethylene fiber and preparation method thereof | |
| CN108754644B (en) | High-strength coarse denier polypropylene spun-bonded filament and preparation method thereof | |
| CN102181954A (en) | Method for producing polyester industrial yarns with high strength, high elongation and low shrinkage | |
| CN102433597A (en) | Gelatinized pre-oriented yarn and preparation method thereof and ultra high molecular weight polyethylene fiber and preparation method thereof | |
| BRPI0702310A2 (en) | process for preparing polymeric yarns from ultra high molecular weight homopolymers or copolymers, polymeric yarns, molded polymeric articles, and use of polymeric yarns | |
| CN109233062A (en) | It is a kind of prepare in strong fiber composite material and its quick molding method and application | |
| CN103030891A (en) | Long glass fiber-reinforced polypropylene composite material and preparation method thereof | |
| Kuo et al. | Gel spinning of synthetic polymer fibres | |
| CN101914234A (en) | High strength and high modulus polyethylene tensile belt-shaped film and gelation production method thereof | |
| CN105885154B (en) | A kind of melt-spun pinches composite modified superhigh molecular polyethylene blend composition and preparation method thereof with molten | |
| CN109306541A (en) | A kind of preparation method of high-strength high-modulus polyethylene fiber | |
| CN111592709A (en) | Special material for medium-high-strength polyethylene fibers and preparation method of melt spinning fibers | |
| CN109385689A (en) | A kind of spinning process that ultra-high molecular weight polyethylene is blended | |
| CN104846451B (en) | A kind of method directly preparing ultra high molecular weight polyethylene fiber | |
| CN110184670B (en) | Modified polyarylester spinning solution and spinning process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110105 |