WO2018164433A1 - 나노 실리카를 사용한 열가소성 폴리우레탄 원사용 수지 및 이를 이용한 열가소성 폴리우레탄 원사의 제조방법 - Google Patents
나노 실리카를 사용한 열가소성 폴리우레탄 원사용 수지 및 이를 이용한 열가소성 폴리우레탄 원사의 제조방법 Download PDFInfo
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- WO2018164433A1 WO2018164433A1 PCT/KR2018/002589 KR2018002589W WO2018164433A1 WO 2018164433 A1 WO2018164433 A1 WO 2018164433A1 KR 2018002589 W KR2018002589 W KR 2018002589W WO 2018164433 A1 WO2018164433 A1 WO 2018164433A1
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- yarn
- tpu
- thermoplastic polyurethane
- resin
- silica
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/0895—Manufacture of polymers by continuous processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/06—Making preforms by moulding the material
- B29B11/10—Extrusion moulding
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6603—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6607—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- 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
- D01F1/10—Other agents for modifying properties
-
- 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
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/70—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Definitions
- the present invention relates to a thermoplastic polyurethane yarn resin using nano-silica and a method for producing a thermoplastic polyurethane yarn using the resin, and more particularly to a monofilament yarn or a multifilament yarn of thermoplastic polyurethane alone.
- Thermoplastic polyurethane yarn resin using nano-silica to continuously produce TPU yarn without the single yarn phenomenon (that is, the TPU yarn is broken in a continuous process) It relates to a manufacturing method.
- yarns used for industrial or shoe uppers generally used yarns such as polyester, nylon, and acrylic resin. Fabrics processed with such yarns are not suitable for use in high-performance applications such as shoes fabrics because of their problems in terms of durability and wear resistance as well as in terms of adhesion.
- a coating yarn (hereinafter referred to as a "coating yarn") coated with a thermoplastic resin on the surface of the yarn is used to increase the strength of the yarn.
- coated yarns are usually processed by coating a die such as PVC, PP or thermoplastic polyurethane, which is a thermoplastic resin, on a yarn such as polyester or nylon using a conventional extruder.
- Such a prior application can produce a coating yarn having excellent wear, adhesion, water resistance, molding properties, etc., but since the coating yarn necessarily has a core such as polyester or nylon, there is a limit in thickness and thus a thin coating yarn It was impossible to prepare.
- the TPU coating yarn disclosed in the present invention does not have a high viscosity such as polyester or nylon due to the properties of the thermoplastic polyurethane, the role of a thickener is essential for smooth extrusion.
- a thicker monofilament yarn such as a mono-filament yarn may be used as a thickener, but a thinner thickness, specifically about 50 denier In the case of multi-filament yarns of less than), it must be pulled out in a thin thickness, so there was a problem that cannot be applied to ordinary silica.
- monofilament yarns for example, in the case of 50 to 350 denier monofilament yarns
- single yarn phenomenon that is, the TPU yarn breaks
- the TPU yarns should be pulled out continuously without a single yarn phenomenon.
- silica which is generally used as a thickener, does not break thin TPU yarns (ie, one filament yarn is less than 50 denier when producing multifilament yarn, and 50 to 350 denier when producing monofilament yarn). There was a limit that cannot be drawn continuously.
- Patent Document 1 Registered Patent Publication No. 10-1341054 (Invention name: Manufacturing method of the coating yarn. Publication date: December 13, 2013)
- Patent Document 2 Registered Patent Publication No. 10-1530149 (Name of the Invention: Composition of the original coating compound having pores. Publication date: June 19, 2015)
- Patent Document 3 Registered Patent Publication No. 10-1318135 (Name of the Invention: Composition of a thermoplastic polyurethane compound used for coating. Announcement date: October 15, 2013)
- Patent Document 4 Registered Patent Publication No. 10-1341055 (Invention name: Composition of thermoplastic polyurethane yarn and its manufacturing method. Date of publication: December 13, 2013)
- the present invention is to solve the problems of the thermoplastic polyurethane coating yarn disclosed in the above-described prior application, using a nano-sized silica as a thickener suitable for processing a thin yarn by TPU alone in the stretching process while ensuring the desired processability and physical properties It is an object of the present invention to provide a thermoplastic polyurethane yarn resin using nano-silica that allows TPU yarns to be continuously pulled out without breaking, and a thermoplastic polyurethane yarn using the same.
- the present invention provides a thermoplastic polyurethane yarn resin using nano silica and a method of manufacturing a thermoplastic polyurethane yarn using the same to make the TPU yarn unbroken and continuously drawn out when manufacturing a monofilament yarn of TPU alone. Its purpose is.
- the present invention when manufacturing a monofilament yarn of TPU alone, a resin for thermoplastic polyurethane yarn using nano-silica that can be continuously pulled monofilament yarn of 50 ⁇ 350 denier (denier) and a thermoplastic polyurethane yarn using the same
- the purpose is to provide a manufacturing method.
- the present invention provides a thermoplastic polyurethane yarn resin using nano silica and a method for producing a thermoplastic polyurethane yarn using the same to make the TPU yarn unplugged continuously when producing multifilament yarn of TPU alone. Its purpose is.
- thermoplastic polyurethane yarn resin using nano-silica that can be continuously pulled out of one filament yarn 50 denier (denier) and thermoplastic polyurethane using the same
- the purpose is to provide a method of manufacturing yarn.
- thermoplastic polyurethane-based resin according to the present invention is characterized in that it comprises a thermoplastic polyurethane and nano silica having a particle size of 100nm or less.
- the method for producing a TPU yarn using the thermoplastic polyurethane-based resin as described above is to prepare a liquid raw material of Polyol, Isocyanate, Short chain glycol for TPU pellet polymerization, and then select any one of the above liquid raw materials to obtain 100 nm or less. Injecting nano-silica having a particle size, and kneading it; Preparing a TPU raw resin by injecting a liquid raw material in which the nano silica is dispersed and the remaining two raw materials into an extruder and polymerizing the TPU pellets in the step; The TPU yarn resin is put into an extruder for yarn processing, characterized in that it comprises a step of melt extrusion to produce a thermoplastic polyurethane yarn.
- another method of manufacturing the TPU yarn is to prepare a pellet-shaped masterbatch by compounding thermoplastic polyurethane and nano silica having a particle size of 100 nm or less, and then mixing the masterbatch and thermoplastic polyurethane, and Compounding to prepare a resin for yarn processing;
- the yarn processing resin is put into a yarn processing extruder, characterized in that it comprises the step of melt extrusion to produce a thermoplastic polyurethane yarn.
- the TPU yarn is a monofilament yarn
- the thickness is 50 ⁇ 350 denier (denier)
- the silica is characterized in that the nano-silica having a particle size of less than 100nm.
- the TPU yarn is a multifilament yarn
- the thickness of one filament yarn is 50 denier (denier) or less
- the blended silica is a nano silica having a particle size of 100nm or less.
- the present invention not only realizes the effect of the thermoplastic polyurethane coated yarn disclosed in the present invention but also blends nano-silica (particle size of 100 nm or less) when preparing monofilament yarn or multifilament yarn of TPU alone, so that the TPU yarn is not broken. There is an advantage to be able to pull continuously without.
- the present invention can not only pull out the TPU yarn continuously without pulling the multi-filament yarn of less than 50 denier made of TPU alone, but also TPU yarn when continuously pulling out 50-350 denier monofilament yarn Since it can be pulled out continuously without breaking, the productivity can be improved.
- the term 'nano silica' used in the present invention refers to a particle size of 100 nm or less as the primary particle size
- the term 'TPU yarn' refers to a monofilament yarn or multifilament made of TPU alone. Means four.
- the term 'continuously produce the TPU yarn' used in the present invention means that the TPU yarn is pulled out continuously without breaking.
- thermoplastic polyurethane yarn when manufacturing a thermoplastic polyurethane yarn (preferably when manufacturing a monofilament yarn of TPU alone or a multifilament yarn of TPU alone), the surface of the polyester or nylon yarn as in the above-described prior invention 100 nm as a thickener to improve productivity and quenchability when producing a thin thickness, for example, 50 to 350 denier monofilament yarns or multi-filament yarns of 50 denier or less without thermoplastic polyurethane coating treatment Resin for thermoplastic polyurethane yarn using nano silica and a thermoplastic polyurethane yarn using the same to blend nano silica having the following particle size to ensure the desired processability and physical properties, and to be pulled out continuously without pulling the TPU yarn. To implement the manufacturing method.
- nano silica primary particle size having a particle size of 100 nm or less
- nano-silica of the present invention In order to use the nano-silica of the present invention.
- a master batch containing nano-silica is compounded with thermoplastic polyurethane to melt-extrude in an extruder for yarn processing to produce a single-type thermoplastic polyurethane yarn without a core.
- thermoplastic polyurethane yarn masterbatch a specific method for processing a thermoplastic polyurethane sole yarn using the TPU resin or masterbatch should be disclosed, respectively. This method is equally applicable to both monofilament yarns and multifilament yarns.
- the present invention relates to a method of processing or manufacturing a TPU yarn alone without coating the surface of a polyester or nylon yarn with a thermoplastic polyurethane (hereinafter referred to as "TPU").
- TPU thermoplastic polyurethane
- thermoplastic polyurethane used in the present invention is a virgin TPU, wherein the virgin TPU is polyester glycol, polyether glycol, polycarprolactone, or the like. It is a virgin TPU made by using a short chain glycol (ex. 1,4 butanediol) as a chain extender and polymerizing with aromatic isocyanate and aliphatic isocyanate.
- a short chain glycol ex. 1,4 butanediol
- the TPU used for shoes is used alone or various kinds of TPU scraps such as scraps left after high frequency work or scraps left after hot melt TPU processing are used alone or these are virgin TPUs. It can be mixed with and used.
- the TPU yarn is continuously stretched while being stretched without breaking the extrusion.
- nano silica having a particle size of 100 nm or less is used.
- the present invention is sufficient by adding nano-silica powder of 100nm or less to one of the liquid raw material polyol, isocyanate, short chain glycol during the polymerization of TPU pellets. After stirring, the pellet was polymerized with TPU to prepare a resin for single yarn processing.
- the content of the nano-silica used in the present invention is preferably up to 10%, when the nano-silica is added to 10% or more there is a problem that stirring is difficult.
- a nanobatch of 100 nm or less is concentrated in a general TPU to prepare a masterbatch compounded first, and then, by adding this to the TPU resin by content, to prepare a TUP resin for single yarn processing in which the compound is processed.
- the content of the nano-silica is preferably up to 40% when the master batch is prepared, and the TPU resin for single yarn processing is prepared by mixing the master batch by compounding the TPU. If more than 40% of the nano-silica is added, the compound is not compounded with the TPU, and thus, the master batch cannot be manufactured and the TPU yarn cannot be manufactured. Therefore, in the present invention, up to 40% is added when compounding 100 nm or less of nano silica with TPU, and in order to prepare the most ideal masterbatch, the content of nano silica is preferably 30%.
- a method of preparing a TPU raw resin by adding 100 nm or less of nano silica to a liquid raw material at the time of TPU polymerization and 2) a method of preparing a master batch by compounding 100 nm or less of nano silica and TPU, and 3)
- a method of manufacturing a single type TPU yarn (monofilament yarn and multifilament yarn) without a core using the TPU yarn-based resin or masterbatch will be described in detail.
- the TPU-based resin manufacturing method is a method of preparing a resin by adding to a liquid raw material during the polymerization of TPU pellets (pellet) to polymerize it, and the production method consists of four steps.
- Step 1 Prepare liquid raw materials for conventional TPU pellet polymerization. Specifically, prepare polyol, isocyanate, and short chain glycol.
- Step 2 Select any one of the liquid raw materials presented in the above step 1, add nano silica powder having a particle size of 100 nm or less, and knead it.
- the temperature is 80 ⁇ 100 °C
- the stirring speed is preferably 20 ⁇ 30rpm.
- nano silica is mixed with polyol and then kneaded.
- Step 3 In the step 2, the liquid raw material sufficiently dispersed with nano silica and the remaining two raw materials are simultaneously introduced into a reactive extruder to polymerize the TPU pellets.
- Step 4 Drying and ripening the TPU pellets polymerized in step 3 to prepare a TPU raw resin to be implemented in the present invention.
- Step 1 Weigh the TPU (eg virgin TPU, TPU scrap, or mixed TPU) and nano silica with a particle size below 100 nm. At this time, the content of the nano-silica is not to exceed 40%.
- TPU virgin TPU, TPU scrap, or mixed TPU
- Step 2 The nano silica and the TPU are added to a conventional kneader, and then kneaded at a speed of 20 to 30 rpm at a temperature of 100 to 120 ° C.
- Step 3 After cooling the TPU kneaded with nano-silica, it is ground to a diameter of less than 10mm, and then re-injected into a conventional twin extruder. At this time, the temperature of the twin-screw compressor is 150 ⁇ 200 °C.
- Step 4 Pour the compound compounded in the twin screw extruder into 15 ⁇ 20 °C cooling water and pellet it.
- Step 5 The masterbatch prepared through the above steps 1-4, specifically, the masterbatch made of pellets is dried and aged in a conventional manner.
- Step 6 Mix the masterbatch prepared in the above manner with a conventional TPU and compound it to prepare a TPU resin for yarn processing.
- the method of manufacturing a TPU yarn to be described in detail below is a method of manufacturing a TPU yarn without a core without coating a TPU on the surface of a polyester or nylon yarn as in the previous application.
- Step 1 Prepare thermoplastic polyurethane containing nano silica of 100 nm or less, preferably TPU raw resin containing nano silica or TPU resin prepared by mixing and compounding a master batch containing nano silica and TPU After preparing, it is put into a conventional extruder for monofilament yarn processing, melt extrusion at a temperature of 170 ⁇ 230 °C.
- Step 2 After melt extrusion in the extruder, the yarn (TPU yarn) coming out from the die of the extruder is cooled in a cooling water of 25 ⁇ 40 °C.
- Step 3 Stretch the cooled yarn. At this time, in the present invention, although stretching at a maximum of about 7 times, a phenomenon occurs that breaks when stretching at least 7 times.
- Step 4 Anneal the stretched thread in a normal heat chamber at a temperature of 150-160 ° C for 30 seconds to 60 seconds.
- the TPU yarn is continuously pulled out in the drawing step (step 3) and the winding step (step 5) by blending nano silica of 100 nm or less. .
- Step 1 Prepare thermoplastic polyurethane containing nano silica of 100 nm or less, preferably TPU raw resin containing nano silica or TPU resin prepared by mixing and compounding a master batch containing nano silica and TPU Then, it was put into a conventional multifilament yarn processing extruder, and melt-extruded at a temperature of 170 ⁇ 230 °C.
- Step 2 After melt extrusion in the extruder, the yarns from the die of the extruder are collected by the number of fillers (eg 36 fillers, 48 fillers, etc.). At this time, it is preferable to air-cool to 25 ⁇ 40 °C when collecting the number of yarns through the die by the number of filler.
- the number of fillers eg 36 fillers, 48 fillers, etc.
- Step 3 Draw the thread collected in step 2 above. At this time, in the present invention, although stretching at a maximum of about 7 times, a phenomenon occurs that breaks when stretching at least 7 times.
- Step 4 Wind up the TPU thread drawn in step 3.
- the TPU yarn in manufacturing the multifilament yarn (TPU yarn), by blending the nano silica of 100nm or less, the TPU yarn can be pulled out continuously without breaking in the stretching step (step 3) and the winding step (step 4).
- the TPU yarn when pulled into a single filament yarn (ie filler star), it can be pulled up to 50 denier.
- the present invention in order to check the physical properties of the TPU yarns (preferably, monofilament yarns and multifilament yarns) manufactured by the above method, specifically 1) using a TPU yarn containing 100 nm or less nano silica Physical properties of the resin and 2) TPU-based resin prepared by masterbatch containing 100 nm or less of nano-silica were respectively shown in Tables 1 and 2 below.
- the nano-silica 0phr, 3phr. 5 phr, 7 phr, and 10 phr were charged to compare the viscosity change, extrusion processability, and surface state, respectively.
- a polyester polyol base TPU having a hardness of 75 D was used.
- Testgrade MFI (230 ° C, 2.16 kg) Tfb Melt viscosity Contents of TPU Raw Resin Containing Nano Silica Yarn extrusion processability and surface condition (g / 10min) (°C) (Pa.s) Multifilament yarn (5 denier, 35 filler) Monofilament yarns (150-200 denier) 230 °C 235 °C T-75D-1 30.21 218.4 32620 10060 0 phr Not workable, flow like water Single yarn phenomenon T-75D-2 28.33 219.5 33480 11670 3 phr Good single process during extrusion Good surface without good processing during extrusion T-75D-3 25.42 220.6 38570 13150 5 phr Good surface without good processing during extrusion Good surface without good processing during extrusion T-75D-4 18.25 221.3 42550 15090 7 phr Good surface without good processing during extrusion Good surface without good processing during extrusion T-75D-5 12.33 222.5 480
- TPU-based resins 100 nm or less of nano-silica refers to a brand name of TPU yarns containing 0 phr, 3 phr, 5 phr, 7 phr, and 10 phr of TPU-based resin, respectively.
- the melt flow index was 18.25 g / 10 min and the pour point was 221.3 ° C., which showed good processability during extrusion.
- the melt viscosity was also 42550 at 230 ° C. and 15090 at 235 ° C., so that there was no single yarn during extrusion and the surface of the TPU yarn was also good.
- the surface of the TPU yarn was slippery when the yarn was processed using the TPU yarn-use resin (trade name: T-75D-5) containing 10 phr of the nano-silica of the present invention.
- the proper content of the resin was most preferably added in 3 ⁇ 7phr.
- the nano-silica is added in more than 10phr it was difficult to add the kneading to the liquid raw material.
- the master batch of the present invention when preparing a TPU yarn by compounding the master batch of the present invention (30 wt% nano silica concentrated content) with a conventional TPU, the master batch is 0phr, 3phr.
- the viscosity change, extrusion processability, and surface condition were compared while compounding at 5 phr, 10 phr, and 20 phr.
- a polyester polyol base TPU having a hardness of 75 D was used.
- Testgrade MFI 230 ° C, 2.16 kg
- Tfb Melt viscosity Masterbatch Content Yarn extrusion processability and surface condition (g / 10min) (°C)
- Pa.s Multifilament yarn (5 denier, 35 filler) Monofilament yarns (150-200 denier) 230 °C 235 °C NS-75D-1 19.58 215.2 35580 11010 0 phr Not workable, flow like water Single yarn phenomenon NS-75D-2 16.83 216.3 31860 11450 3 phr Pressure fluctuation during extrusion sometimes occurs Pressure fluctuation during extrusion, slight surface roughness NS-75D-3 14.32 218.2 40950 12830 5 phr Good surface without good processing during extrusion Good surface without good processing during extrusion NS-75D-4 8.35 222.3 44380 14030 10 phr Good surface without good processing during extrusion Good surface without good processing during extrusion NS-75D-5 6.23 219.5 50570 16930
- TPU-based resins 'NS-75D-1, NS-75D-2, NS-75D-3, NS-75D-4, NS-75D-5' described in the "Test Grade" column in Table 2 above are trade names of TPU-based resins. Specifically, the name refers to a TPU-based resin containing a master batch of 0 phr, 3 phr, 5 phr, 10 phr, and 20 phr, respectively.
- the melt flow index was 14.32 g / 10 min and the pour point was 218.2 ° C., which showed good processability during the extrusion process.
- the melt viscosity (Pa.s) was also 40,950 at 230 ° C. and 12,830 at 235 ° C., so that there was no single yarn during extrusion and the surface of the TPU yarn was also good.
- the melt flow index was 8.35 g / 10 min and the flow point was 222.3 ° C., which shows good workability during extrusion.
- the melt viscosity (Pa.s) was also 44,380 at 230 ° C. and 14,030 at 235 ° C., so that there was no single yarn during extrusion and the surface of the TPU yarn was also good.
- the proper content of the masterbatch is most preferably added to the masterbatch (30 wt% of nano silica concentrate) at 5 to 10 phr. It was confirmed through an experiment. In addition, it was also confirmed that the blooming of the masterbatch (blooming) in the TPU yarn is severely added when more than 20phr.
- Table 3 below is a result table comparing the physical properties of a single-type TPU yarn prepared using nano-silica and a single-type TPU yarn prepared using general silica. That is, it is a test value that specifically compares a TPU yarn manufactured using nano silica having a particle size of 100 nm or less and a TPU yarn manufactured using silica having a particle size of 300 to 500 nm.
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Abstract
Description
TestGrade | MFI(230℃, 2.16kg) | Tfb | Melt Viscosity | 나노 실리카가 함유된 TPU 원사용 수지의 함량 | 원사 압출 가공성 및 표면 상태 | ||
(g/10min) | (℃) | (Pa.s) | 멀티필라멘트사(5데니아, 35필러) | 모노필라멘트사(150~200데니아) | |||
230℃ | 235℃ | ||||||
T-75D-1 | 30.21 | 218.4 | 32620 | 10060 | 0 phr | 작업불가, 물처럼 흐름 | 단사 현상표면 거침 |
T-75D-2 | 28.33 | 219.5 | 33480 | 11670 | 3 phr | 압출시 가공 양호단사현상 가끔발생 | 압출시 가공 양호단사없이 표면양호 |
T-75D-3 | 25.42 | 220.6 | 38570 | 13150 | 5 phr | 압출시 가공 양호단사없이 표면양호 | 압출시 가공 양호단사없이 표면양호 |
T-75D-4 | 18.25 | 221.3 | 42550 | 15090 | 7 phr | 압출시 가공 양호단사없이 표면양호 | 압출시 가공 양호단사없이 표면양호 |
T-75D-5 | 12.33 | 222.5 | 48080 | 17220 | 10 phr | 표면이 너무 미끄럽고 결정화가 심함 | 표면이 너무 미끄럽고 결정화에 의한 단사 발생 |
TestGrade | MFI(230℃, 2.16kg) | Tfb | Melt Viscosity | 마스터배치 함량 | 원사 압출 가공성 및 표면 상태 | ||
(g/10min) | (℃) | (Pa.s) | 멀티필라멘트사(5데니아, 35필러) | 모노필라멘트사(150~200데니아) | |||
230℃ | 235℃ | ||||||
NS-75D-1 | 19.58 | 215.2 | 35580 | 11010 | 0 phr | 작업불가, 물처럼 흐름 | 단사 현상표면 거침 |
NS-75D-2 | 16.83 | 216.3 | 31860 | 11450 | 3 phr | 압출시 압 흔들림단사현상 가끔발생 | 압출시 압 흔들림단사현상, 표면 약간 거침 |
NS-75D-3 | 14.32 | 218.2 | 40950 | 12830 | 5 phr | 압출시 가공 양호단사없이 표면양호 | 압출시 가공 양호단사없이 표면양호 |
NS-75D-4 | 8.35 | 222.3 | 44380 | 14030 | 10 phr | 압출시 가공 양호단사없이 표면양호 | 압출시 가공 양호단사없이 표면양호 |
NS-75D-5 | 6.23 | 219.5 | 50570 | 16930 | 20 phr | 표면이 너무 미끄럽고 결정화가 심함 | 압출 가공성 양호하나 표면이 너무 미끄러움 |
비교항목 | 일반 실리카 사용 | 나노 실리카 사용 | 비고 |
TPU grade | 단독의 TPU 원사용 수지(상품명: NS-75D-10) | 단독의 TPU 원사용 수지(상품명: NS-75D-4) | 일반 실리카, 나노 실리카 30중량% 농축 TPU 10phr 투입 컴파운드 |
실리카Primary Particle size | 300~500nm | 100nm 이하 | 통상적인 나노 실리카의 Primary Particle size를 100nm 이하로 규정 |
TPU MFI(melt flow index) | 7.3 | 8.35 | 230℃, 2.16kgf |
TPU Tfb(flow beginning temp.) | 224.5 | 222.3 | |
TPU Tensile strength | 250kgf/㎠ | 350kgf/㎠ | 사출 시편 사용 |
TPU Tear Strength | 178kgf/cm | 205kgf/cm | 사출 시편 사용 |
TPU Specific gravity | 1.23~1.26 | 1.22~1.25 | g/cc |
TPU Hardness | 75±3D | 75±3A | Shore D |
TPU 원사 두께 | 150~200 denier | 150~200 denier | 모노필라멘트사 |
TPU 표면 상태 | 매우 거침 | 양호함 | |
압출 가공성 | 실리카 사이즈로 인해 원사 압출 및 연신 공정시 단사가 심하여 작업이 어려움 | 나노 실리카를 사용함으로써 연신시 연신 보강제 역할을 하여 단사 현상 없이 작업 양호함 |
Claims (6)
- 열가소성 폴리우레탄 원사용 수지에 있어서,상기 수지는 열가소성 폴리우레탄과 나노 실리카를 포함하여 이루어지는 것을 특징으로 하는 열가소성 폴리우레탄 원사용 수지.
- 제1항에 있어서,상기 나노 실리카는 100nm 이하의 입자 크기를 가지는 것을 특징으로 하는 열가소성 폴리우레탄 원사용 수지.
- 제1항 또는 제2항에 있어서,상기 열가소성 폴리우레탄 원사가 멀티필라멘트사일 때는 한가닥의 필라멘트원사가 50 데니아 이하인 것을 특징으로 하는 열가소성 폴리우레탄 원사용 수지.
- 제1항 또는 제2항에 있어서,상기 열가소성 폴리우레탄 원사가 모노필라멘트사일 때는 50~350 데니아인 것을 특징으로 하는 열가소성 폴리우레탄 원사용 수지.
- 열가소성 폴리우레탄 원사를 제조하는 방법에 있어서,TPU 펠릿 중합을 위한 Polyol, Isocyanate, Short chain glycol의 액상 원료를 준비한 다음, 상기 액상 원료 중에서 어느 하나를 선택하여 100nm 이하의 입자 크기를 가지는 나노 실리카를 투입하고, 이를 혼련시키는 단계와;상기 단계에서 나노 실리카가 분산된 액상 원료와 나머지 두 가지 원료를 압출기에 투입하여 TPU 펠릿 중합시켜 TPU 원사용 수지를 제조하는 단계와;상기 TPU 원사용 수지를 원사 가공용 압출기에 넣고, 용융 압출하여 열가소성 폴리우레탄 원사를 제조하는 단계로 이루어지는 것을 특징으로 하는 열가소성 폴리우레탄 원사의 제조방법.
- 열가소성 폴리우레탄 원사를 제조하는 방법에 있어서,열가소성 폴리우레탄과 100nm 이하의 입자 크기를 가지는 나노 실리카를 컴파운드하여 펠릿 형태의 마스터배치를 제조한 다음, 상기 마스터배치와 열가소성 폴리우레탄을 혼합하고, 이를 컴파운드하여 원사 가공용 수지를 제조하는 단계와;상기 원사 가공용 수지를 원사 가공용 압출기에 넣고, 용융 압출하여 열가소성 폴리우레탄 원사를 제조하는 단계로 이루어지는 것을 특징으로 하는 열가소성 폴리우레탄 원사의 제조방법.
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EP18764089.1A EP3594287A4 (en) | 2016-10-24 | 2018-03-05 | RESIN FOR A THERMOPLASTIC POLYURETHANE THREAD USING NANOSILICA AND PROCESS FOR MANUFACTURING A THERMOPLASTIC POLYURETHANE YARN USING THIS RESIN |
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KR1020170028116A KR101879981B1 (ko) | 2016-10-10 | 2017-03-06 | 열가소성 폴리우레탄 원사의 제조방법 |
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WO2020060095A1 (ko) * | 2018-09-17 | 2020-03-26 | 박희대 | 에프디엠 방식의 3d 프린터용 열가소성 폴리우레탄 필라멘트 |
KR101971849B1 (ko) * | 2019-02-25 | 2019-04-23 | 박희대 | 열가소성 폴리우레탄 원사 |
US11564443B2 (en) | 2019-08-02 | 2023-01-31 | Nike, Inc. | Textiles and articles and processes for making the same |
KR102057036B1 (ko) * | 2019-10-04 | 2019-12-18 | 박희대 | 소수성 나노실리카가 배합된 접착력이 우수한 열가소성 핫멜트 필름 |
KR102082090B1 (ko) | 2019-12-09 | 2020-02-26 | 박희대 | 소수성 나노실리카가 배합된 열가소성 폴리우레탄 코팅 원사 |
KR102131606B1 (ko) * | 2020-02-19 | 2020-07-08 | 박희대 | 소수성 나노실리카가 배합된 접착수지를 이용한 도트합포 신발 인솔 및 그 제조방법 |
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US10450437B2 (en) | 2019-10-22 |
EP3594287A4 (en) | 2020-12-02 |
KR101879981B1 (ko) | 2018-07-19 |
EP3594287A1 (en) | 2020-01-15 |
BR112019006550B1 (pt) | 2020-12-29 |
BR112019006550A2 (pt) | 2019-10-01 |
US20180100050A1 (en) | 2018-04-12 |
CN109790373A (zh) | 2019-05-21 |
CN109790373B (zh) | 2021-07-20 |
KR20180039546A (ko) | 2018-04-18 |
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