KR100694192B1 - Producing method of spunbond having hydrophilic and excellent weather-resisting property - Google Patents
Producing method of spunbond having hydrophilic and excellent weather-resisting property Download PDFInfo
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- KR100694192B1 KR100694192B1 KR1020010041422A KR20010041422A KR100694192B1 KR 100694192 B1 KR100694192 B1 KR 100694192B1 KR 1020010041422 A KR1020010041422 A KR 1020010041422A KR 20010041422 A KR20010041422 A KR 20010041422A KR 100694192 B1 KR100694192 B1 KR 100694192B1
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- nonwoven fabric
- polyolefin
- raw material
- hydrophilic
- main raw
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/558—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in combination with mechanical or physical treatments other than embossing
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4282—Addition polymers
- D04H1/4291—Olefin series
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/02—Moisture-responsive characteristics
- D10B2401/022—Moisture-responsive characteristics hydrophylic
Abstract
본 발명은 잡초 성장 억제, 토양 산성화 방지 등을 목적으로 사용되는 스판본드 부직포에 관한 것으로서, 종래에 사용되는 부직포에 비해 내후성이 우수하여 다년간 사용이 가능하며 친수처리가 되어 있어 액비처리가 용이한 특성을 지닌 새로운 폴리올레핀계 스판본드 부직포의 제조법을 제공하는데 그 목적이 있는 것이다.The present invention relates to a spanbonded nonwoven fabric used for the purpose of inhibiting weed growth, preventing acidification of soil, etc., which has excellent weather resistance compared to conventional nonwoven fabrics, which can be used for many years, and has a hydrophilic treatment to facilitate liquid fertilization. It is an object of the present invention to provide a method for preparing a new polyolefin-based spanbonded nonwoven fabric having a polyolefin-based spanbond.
본 발명은 상기와 같은 목적을 달성하기 위한 일 방법으로, 폴리올레핀칩을 주원료로 하고 UV 안정제가 함유된 마스터 배치 칩을 상기 주원료와 사출기에 넣어 용융혼합 후 이를 다수의 오리피스로 구성된 방사 구금을 통해 방사, 냉각 및 연신 공정을 거쳐 필라멘트를 제조한 후 이를 컨베이어 벨트상에서 웹을 형성하고 열접착을 시켜 부직포를 제작한 다음 부직포 표면에 친수제를 도포하는 단계로 구성된 스판본드 부직포의 제조법을 개시하며, 이와 같은 방법에 의해 제조된 스판본드 부직포는 내후성이 우수하고 친수성을 지니기 때문에 잡초 성장 억제 등의 목적으로 농업용으로 유용하게 사용될 수 있다.The present invention is a method for achieving the above object, the polyolefin chip as a main raw material and a master batch chip containing a UV stabilizer is melt-mixed into the main raw material and the injection machine after spinning it through a spinneret consisting of a plurality of orifices And manufacturing a filament through cooling and stretching process, forming a web on a conveyor belt, heat-bonding to form a nonwoven fabric, and then applying a hydrophilic agent to the surface of the nonwoven fabric. The spunbond nonwoven fabric produced by the same method can be usefully used for agriculture for the purpose of inhibiting weed growth because of excellent weather resistance and hydrophilicity.
Description
본 발명은 잡초 성장 억제 및 토양 산성화 방지 등의 목적으로 사용되는 스판본드 부직포에 관한 것으로, 특히 내후성이 우수하여 다년간 사용이 가능하며 친수성을 지녀 액비처리가 용이한 특성을 지닌 스판본드 부직포의 제조법에 관한 것이다.The present invention relates to a spanbonded nonwoven fabric used for the purpose of inhibiting weed growth and preventing acidification of soil, and particularly, a method for producing a spanbonded nonwoven fabric having excellent characteristics of being weatherproof and capable of being used for many years and having hydrophilicity and easy liquid-liquid treatment. It is about.
종래의 방초 및 제초방법으로서는 제초제를 살포하여 잡초를 고사시키거나 수작업에 의한 제초가 일반적인 방법이였다. 그러나, 제초제를 사용할 경우 토양의 오염이나 토양에 생존하여 작물성장에 이로운 미생물까지 죽게 되어 토양의 황폐화를 가져올 수 있으며, 수작업에 의한 방법은 과다한 노동력을 필요로 한다. As a conventional method of weeding and weeding, weeding was carried out by spraying herbicide, and weeding by hand was the general method. However, if the herbicide is used, the soil may be contaminated or survive in the soil, and even the microorganisms that are beneficial to crop growth may result in the deterioration of the soil. The manual method requires excessive labor.
상기와 같은 문제를 해결하기 위한 일 방법으로, 대한민국 특허 공개 제 호에서는 태양광을 차단하면서 보온성 있는 폴리올레핀계 부직포를 토양의 상부에 덮어 씌워 잡초 성장을 억제하는 방법에 대해 개시하였다. 그러나, 상기 방법을 사용하는 경우 폴리올레핀계 섬유로 제조된 부직포는 UV 안정제가 함유되지 않았을 경우에는 태양광에 노출시 태양광의 자외선에 의해 분자간 사슬이 파괴되어 부직포의 강도가 크게 저하되기 때문에 쉽게 찢어져 잡초들이 부직포를 뚫고 나오므로 잡초 성장 억제 효과가 약화되는 문제점이 있다. 그리고 상기 방법에서 같이 폴리올레핀계 섬유로 구성된 부직포는 대부분 소수성으로 비가 오면 침투하지 못하고 흘러내려 생육하고자 하는 식물이나 과수의 성장 시 필요한 물의 공급을 원활하게 하지 못하고 또한 식물이나 과수의 성장을 위한 액비처리시 피복 포를 벗기고 액비를 처리하기 때문에 번거로운 문제점이 있다. As one method for solving the above problems, Korean Patent Laid-Open Publication No. discloses a method of suppressing weed growth by covering the upper part of the soil with a polyolefin-based non-woven fabric while blocking sunlight. However, in the case of using the above method, the nonwoven fabric made of polyolefin fiber is easily torn because the intermolecular chain is destroyed by the ultraviolet rays of sunlight when exposed to sunlight when the UV stabilizer is not contained, and the strength of the nonwoven fabric is greatly reduced. Since they penetrate the nonwoven fabric has a problem that the weed growth inhibitory effect is weakened. And the nonwoven fabric composed of polyolefin fibers as in the above method is mostly hydrophobic and does not penetrate when it rains, it does not flow smoothly to supply the necessary water for the growth of plants or fruit trees to grow and also to fertilize the growth of plants or fruit trees There is a troublesome problem because the cover cloth is peeled off and the liquid fertilizer is treated.
본 발명은 상기와 같은 선행기술의 문제점을 해결하기 위한 것으로, 즉, 태양광 자외선에 의한 잡초성장억제용 부직포의 열화문제를 해결하여 장기간 사용을 가능케 하고 소수성 부직포에 친수성 부여 처리를 통하여 액비처리가 용이하도록 한 내후성이 우수하고 친수성의 특성을 지닌 잡초 성장 억제용 스판본드 부직포의 제조 방법을 제공하는 데 그 목적이 있는 것이다.The present invention is to solve the problems of the prior art as described above, that is, to solve the problem of degradation of the weed growth inhibiting nonwoven fabric by the solar ultraviolet ray to enable long-term use and the hydrophilic treatment through hydrophilicity imparting treatment to the hydrophobic nonwoven fabric It is an object of the present invention to provide a method for producing a spunbond nonwoven fabric for inhibiting weed growth having excellent weather resistance and hydrophilic properties.
본 발명은 폴리올레핀 칩을 주원료로 하고 UV 안정제가 함유된 마스터배치 칩을 주원료인 폴리올레핀 칩과 사출기(Extruder)에 넣어 용융혼합하는 단계; 상기 용융물을 방사, 냉각 및 연신공정을 거쳐 필라멘트를 제조하는 단계; 필라멘트를 컨베이어 벨트상에서 웹을 형성하고 열접착을 시켜 부직포를 제조하는 단계; 상기 부직포에 친수제를 도포하여 부직포에 친수처리를 하는 단계를 포함하는 내후성과 친수성이 우수한 스판본드 부직포의 제조 방법에 관한 것이다. The present invention comprises the steps of melt-mixing a polyolefin chip as a main raw material and a master batch chip containing a UV stabilizer into a polyolefin chip and an extruder as a main raw material; Manufacturing a filament by spinning, cooling, and stretching the melt; Forming a web on the conveyor belt and thermally bonding the filaments to produce a nonwoven fabric; It relates to a method for producing a spunbond nonwoven fabric excellent in weatherability and hydrophilicity comprising the step of applying a hydrophilic agent to the nonwoven fabric to hydrophilic treatment on the nonwoven fabric.
이하에서 본 발명을 구체적으로 설명한다.Hereinafter, the present invention will be described in detail.
본 발명에서는 부직포의 주원료로 폴리프로필렌과 같은 폴리올레핀 칩을 사용하는데, 이때 사용되는 폴리올레핀 칩으로는 용융지수가 25∼60g/10분 범위의 것이 바람직하다.In the present invention, a polyolefin chip such as polypropylene is used as a main raw material of the nonwoven fabric, and the polyolefin chip used herein preferably has a melt index in the range of 25 to 60 g / 10 minutes.
본 발명에서는 내후성을 향상시키기 위해 UV 안정제를 폴리올레핀에 함유시킨 마스터 배치 칩(Master Batch Chip)을 주원료인 폴리올레핀 칩과 용융혼합시켜 사용한다. 이때 마스터 배치 칩은 UV 안정제가 대략 10∼20중량% 함유된 것을 사용하는 경우 마스터배치 칩은 주원료에 대해 대략 2∼15중량% 범위로 첨가되는 것이 바람직하다. 혼합 방식으로 구체적으로 예를 들면 실로(silo)에 저장된 주원료는 원료계량을 하는 도싱(dosing)으로 이송되어 일정량씩 사출기에 공급되고, 또 UV 안정제가 함유된 마스터배치 칩도 다른 도싱으로 이송되어 일정량씩 사출기에 공급하여 용융혼련하게 된다.In the present invention, in order to improve weather resistance, a master batch chip containing a UV stabilizer in a polyolefin is melt mixed with a polyolefin chip as a main raw material. At this time, when using the master batch chip containing about 10 to 20% by weight of UV stabilizer, the master batch chip is preferably added in the range of about 2 to 15% by weight based on the main raw material. Specifically, for example, the main raw material stored in the silo is transferred to a dosing for weighing raw materials, and is supplied to the injection machine by a predetermined amount, and the master batch chip containing the UV stabilizer is also transferred to another dosing It is supplied to the injection molding machine and melt kneaded.
이와 같이 혼련된 용융물은 다수의 오리피스로 구성된 방사구금을 통하여 방사되어 필라멘트화되며, 방사된 필라멘트는 챔버를 통해 분사되는 냉각공기에 의해 냉각고화되고 상부에서 불어주는 공기와 컨베이어의 벨트 하부에서 흡입하는 공기의 압력에 의해 연신하는 공정을 거치게 된다.The melt kneaded in this way is filamentized by spinning through a spinneret composed of a plurality of orifices, and the filament is sucked from the lower part of the belt of the conveyor and the air is cooled and solidified by the cooling air injected through the chamber. The drawing process is performed by the pressure of air.
연신 공정을 거친 필라멘트들은 컨베이어 벨트상에 일정한 중량으로 적층되어 웹을 형성하며 형성된 웹은 역학적 특성 및 형태 안정성을 부여하기 위해 칼렌더 방식 등을 사용해 열적으로 결합시키게 되며, 이때 부직포의 일면이나 양면에 엠보싱을 형성할 수 있다. The stretched filaments are laminated to a certain weight on a conveyor belt to form a web, and the formed web is thermally bonded by using a calender method to give mechanical properties and shape stability. At this time, embossing is performed on one side or both sides of the nonwoven fabric. Can be formed.
예를 들어 한쪽이 본딩율이 10∼19%인 엠보스롤면이고 다른쪽은 표면이 매끄러운 롤로 구성된 면으로 된 칼렌더롤을 사용해 일면에 엠보싱이 되어 있는 부직포를 제조할 수 있는데, 이때 부여되는 칼렌더 압력은 60∼80dyne/㎝, 온도는 130∼170℃ 범위로 하여 제조하는 것이 일반적이다.For example, a non-woven fabric embossed on one side can be manufactured by using a calender roll composed of one side of an embossed roll having a bonding ratio of 10 to 19% and the other of a smooth surface. Silver is 60 to 80 dyne / cm, the temperature is generally prepared in the range of 130 to 170 ℃.
본 발명에서는 상기와 같은 단계를 거쳐 얻어진 부직포에 친수성을 부여하기 위하여 친수제를 부직포 표면에 도포, 건조하는 단계를 포함하는데, 이때 사용되는 친수액제로는 일반적으로 사용되는 계면활성제들이 사용 가능하며, 특히 폴리디메틸실록산계 계면활성제가 바람직하다. 이때 도포량은 부직포의 픽업(Pick-up)율이 대략 20%이상 되도록 하는 것이 좋다.In the present invention, in order to impart hydrophilicity to the nonwoven fabric obtained through the above steps, a hydrophilic agent is applied to the surface of the nonwoven fabric and dried. The hydrophilic agent used may be a surfactant that is generally used. In particular, polydimethylsiloxane type surfactant is preferable. At this time, the amount of coating is good so that the pick-up rate of the nonwoven fabric is about 20% or more.
한편, 본 발명에서 UV 안정제 역시 폴리올레핀에 적용가능한 것은 모두 사용가능하며, 예를 들면, 벤조트리아졸계, 살리실산에스테르계, 히드록시 벤조페놀계, 아크릴로 니트릴 치환체 등이 있다. 이때 UV 안정제의 사용량은 전체 폴리올레핀 사용량 대비 0.02∼3중량% 범위가 바람직하다.On the other hand, UV stabilizers in the present invention can also be used for all applicable to the polyolefin, for example, benzotriazole-based, salicylic acid ester-based, hydroxy benzophenol-based, acrylonitrile substituents and the like. At this time, the amount of UV stabilizer is preferably in the range of 0.02 to 3% by weight relative to the total amount of polyolefin.
이하에서 본 발명을 실시예를 들어 좀 더 구체적으로 설명하며, 이때 최종 제품의 물성 및 특성을 하기 방법에 의해 평가하였다.Hereinafter, the present invention will be described in more detail with reference to Examples, in which the properties and properties of the final product were evaluated by the following method.
°인장강신도 : 인장강신도기(Instron) 측정설비를 이용하여 ASTM D1682-64법에 의해 시료폭 5cm, 시료장 7.5cm의 시료편을 인장속도 300mm/min의 조건으로 측정하였다.Tensile Elongation: Tensile strength was measured using an Instron measuring equipment, and a specimen piece having a sample width of 5 cm and a sample length of 7.5 cm was measured under a tensile speed of 300 mm / min by ASTM D1682-64 method.
°내후성: Weater-O-mether설비를 이용(Light source :Xenon Arc, Black Panel Temp: 63℃, 상대습도 : 50%, 조사량 : 0.35W/㎡, Cycle : Spray 18min/Light 102min) 하여 1800hr 조사 후의 강도변화를 측정하였다.° Weather resistance: Weater-O-mether facility (Light source: Xenon Arc, Black Panel Temp: 63 ℃, Relative Humidity: 50%, Irradiation: 0.35W / ㎡, Cycle: Spray 18min / Light 102min) after 1800hr irradiation Intensity change was measured.
°흡수속도: EDANA 150. 3-96 NONWOVEN COVERSTOCK LIQUID STRIKE-THROUGH TIME 방법을 이용하여 측정하였다° Absorption rate: EDANA 150. Measured using 3-96 NONWOVEN COVERSTOCK LIQUID STRIKE-THROUGH TIME method.
°두께 : Dial gauge을 이용하여 측정하였다.° Thickness: Measured by dial gauge.
°데니아 : 현미경을 이용하여 필라멘트의 직경을 측정하여 계산하였다.
° denia: Calculated by measuring the diameter of the filament using a microscope.
[실시예 1]Example 1
부직포의 주원료로 용융지수(MFR)가 35g/10분인 폴리프로필렌 칩을 96중량부 투입하고, UV 안정제인 Chimassorb944가 15wt%가 함유된 마스터 칩 4중량부를 투입하여 사출기에서 용융 혼련시킨 후 방사구금을 통해 필라멘트를 형성시키고 냉각공기에 의한 고형화 및 연신을 시킨 후, 상기 필라멘트들을 연속이동되는 컨베이어 벨트상에서 웹을 형성시킨 후, 엠보스롤이 150℃이고, S-롤이 153℃이며 압력이 65dyne/cm인 조건에서 용융압착에 의한 열접착으로 형태안정성을 부여하였다.96 parts by weight of a polypropylene chip having a melt index (MFR) of 35 g / 10 minutes was added as a main raw material of the nonwoven fabric, and 4 parts by weight of a master chip containing 15 wt% of Chimassorb944, a UV stabilizer, was melt kneaded in an injection molding machine, and then spinneret was After forming the filament through solidification and stretching by cooling air, and forming the web on the conveyor belt continuously moving the filaments, the embossing roll is 150 ℃, the S-roll is 153 ℃ and the pressure is 65 dyne / Form stability was given by thermal bonding by melt compression under the condition of cm.
그리고, 상기에서 얻어진 부직포에 친수성을 부여하기 위해 액상의 폴리디메틸실록산계 계면활성제를 Pick-up율이 30% 되도록 도포한 후 건조하여 제품의 단위면적당 중량이 60GSM인 내후성이 우수하고 친수성을 지닌 잡초 성장 방지용 부직포를 제조하였다.
In addition, in order to impart hydrophilicity to the nonwoven fabric obtained above, a liquid polydimethylsiloxane-based surfactant was applied after the pick-up ratio was 30% and dried, and weeds having excellent weather resistance and hydrophilicity having a weight of 60GSM per unit area of the product were dried. A growth prevention nonwoven fabric was prepared.
[실시예 2]Example 2
실시예 1에서 UV 안정제가 함유된 마스터 칩을 6중량부 투입하고, 블랙(black)색상을 내기 위해 블랙 마스터 칩을 3 중량부 투입하였으며, 생산 제품의 단위면적당 중량을 70GSM으로 한 것 외에는 실시예 1과 동일하게 실시하여 부직포를 제조하였다.In Example 1, 6 parts by weight of the master chip containing the UV stabilizer was added, 3 parts by weight of the black master chip was added to produce a black color, except that the weight per unit area of the product was 70GSM. It carried out similarly to 1, and manufactured the nonwoven fabric.
[비교실시예 1]Comparative Example 1
실시예 1에서 UV 안정제 마스터 배치 칩을 1중량부 투입한 것 외에는 실시예 1과 동일하게 실시하여 단위면적당 중량이 60GSM인 부직포를 제조하였다.
A nonwoven fabric having a weight of 60GSM per unit area was prepared in the same manner as in Example 1 except that 1 part by weight of the UV stabilizer master batch chip was added.
[비교실시예 2]Comparative Example 2
실시예 1에서 친수처리가공을 하기 않은 것 외에는 실시예 1과 동일하게 실시하여 단위면적당 중량이 60GSM인 부직포를 제조하였다.
A nonwoven fabric having a weight per unit area of 60 GSM was produced in the same manner as in Example 1 except that the hydrophilic treatment was not performed in Example 1.
[비교실시예 3]Comparative Example 3
실시예 1에서 UV 안정제 마스터 칩을 사용하지 않고 부직포에 친수처리가공을 하지 않은 것 외에는 실시예 1과 동일하게 실시하여 단위면적당 중량이 60GSM인 부직포를 제조하였다.A nonwoven fabric having a weight per unit area of 60 gsm was prepared in the same manner as in Example 1 except that the UV stabilizer master chip was not used in Example 1 and the nonwoven fabric was not subjected to hydrophilic treatment.
상기 실시예 및 비교실시예에서 제조된 부직포의 생산조건, 물성 및 내후성을 측정하여 하기 표 1 및 표 2에 나타내었다. The production conditions, physical properties and weather resistance of the nonwoven fabrics prepared in Examples and Comparative Examples were shown in Tables 1 and 2 below.
[표 1]TABLE 1
[표 2]TABLE 2
상기 실시예 및 비교실시예에서도 확인되듯이 본 발명에 의해 제조된 부직포는 잡초 성장 방지 및 강도, 신도가 우수한 특성들을 유지하면서 UV 안정제 함유에 의해 자외선에 의한 열화를 방지할 수 있어 오래도록 사용가능하며, 또한 부직포 표면에 친수성을 부여했기 때문에 액비처리가 용이한 등의 장점을 지닌다.As can be seen from the above examples and comparative examples, the nonwoven fabric prepared by the present invention can prevent degradation by UV rays by containing UV stabilizers while maintaining weed growth prevention and strength and elongation characteristics. In addition, since the hydrophilicity is imparted to the surface of the nonwoven fabric, liquid fertilization is easy.
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| KR101071205B1 (en) | 2008-11-21 | 2011-10-10 | 도레이첨단소재 주식회사 | Filament spunbond nonwoven fabric and method therefor and complex nonwoven using the same |
| KR20190121595A (en) * | 2018-04-18 | 2019-10-28 | 도레이첨단소재 주식회사 | Spunbond nonwoven fabric for mulching and method of preparing the same |
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| KR100873850B1 (en) * | 2002-07-03 | 2008-12-15 | 도레이새한 주식회사 | Spunbond nonwoven fabric with excellent reflow prevention |
| KR100649073B1 (en) * | 2005-11-24 | 2006-11-27 | 도레이새한 주식회사 | Spunbonded non-woven fabric having high drapability and manufacturing method thereof |
| KR100865438B1 (en) * | 2007-04-19 | 2008-10-28 | 도레이새한 주식회사 | Nonwoven fabrics having permanent hydrophilicity and producing process thereof |
| CN105951306A (en) * | 2016-06-29 | 2016-09-21 | 武汉纺织大学 | Spun-bonded nonwoven fabric capable of adsorbing harmful gases and preparation method thereof |
| KR102006816B1 (en) * | 2018-01-26 | 2019-10-01 | 도레이첨단소재 주식회사 | Nonwoven fabric having an excellent hygroscopicity |
| CN116005365A (en) * | 2023-03-27 | 2023-04-25 | 江苏鑫峰科技材料有限公司 | Preparation method of mildew-proof antibacterial non-woven fabric |
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