KR100363919B1 - A spunlace non woven fabric, and a process of preparing for the same - Google Patents
A spunlace non woven fabric, and a process of preparing for the same Download PDFInfo
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- KR100363919B1 KR100363919B1 KR1020000066307A KR20000066307A KR100363919B1 KR 100363919 B1 KR100363919 B1 KR 100363919B1 KR 1020000066307 A KR1020000066307 A KR 1020000066307A KR 20000066307 A KR20000066307 A KR 20000066307A KR 100363919 B1 KR100363919 B1 KR 100363919B1
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- web
- nonwoven fabric
- carding
- short fibers
- spunlace nonwoven
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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
- D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/492—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
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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
- D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/465—Hydraulic needling
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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
- D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/498—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres entanglement of layered webs
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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
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/74—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being orientated, e.g. in parallel (anisotropic fleeces)
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
Abstract
본 발명은 스펀레이스 부직포 및 그의 제조방법에 관한 것이다. 본 발명의 스펀레이스 부직포는 단섬유들이 웹(Web)의 폭 방향으로 배향된 성형 웹(B) 상에 단섬유들이 웹(Web)의 길이 방향으로 배향된 카딩 웹(A)이 적층되어 있는 2층 구조를 갖고, 상기 카딩 웹(A)과 성형 웹(B)이 이들을 구성하는 단섬유 상호간의 엉킴 현상에 의해 서로 결속되어 있는 것을 특징으로 한다. 본 발명의 스펀레이스 부직포는 상기 카딩 웹(A)을 크로스래퍼로 성형처리하여 제조한 성형 웹(B) 위에 카딩웹(A)을 적층시킨 다음, 여기에 고압의 물(Water)을 분사시켜 이들을 서로 결속시키는 방법으로 제조한다. 본 발명의 스펀레이스 부직포는 길이 및 폭 방향의 신축성, 형태안정성, 기계적물성이 우수하여 일회용 기저귀, 의료용 부직포 및 인공피혁용 부직포로 유용하다.The present invention relates to a spunlace nonwoven fabric and a process for producing the same. The spunlace nonwoven fabric of the present invention has a carding web (A) in which short fibers are oriented in the longitudinal direction of the web (Web) is laminated on a forming web (B) in which the short fibers are oriented in the width direction of the web (Web). It has a layer structure, It is characterized by the said carding web A and the shaping web B being tied together by the entanglement phenomenon between the short fibers which comprise these. The spunlace nonwoven fabric of the present invention laminates the carding web (A) on the forming web (B) prepared by molding the carding web (A) with a cross wrapper, and then sprays the high pressure water (Water) on the forming web (A). It is produced by the method of binding to each other. The spunlace nonwoven fabric of the present invention is useful in disposable diapers, medical nonwoven fabrics, and artificial leather nonwoven fabrics because of its excellent stretch, shape stability, and mechanical properties in the length and width directions.
Description
본 발명은 신축성 및 형태안정성 등의 물성이 우수한 스펀레이스 부직포 및 그의 제조방법에 관한 것이다. 스펀레이스 부직포는 단섬유로 이루어지는 시트[이하 "웹(Web)" 이라고 한다]를 워터제트에서 분사되는 고압의 물로 처리하여, 상기 단섬유들을 서로 결속시켜 제조한 부직포의 일종이다. 스펀레이스 부직포는 현재 일회용 기저귀, 의료용 부직포, 레더(Leather)용 소재 등으로 널리 사용되고 있다.The present invention relates to a spunlace nonwoven fabric having excellent physical properties such as elasticity and shape stability, and a manufacturing method thereof. A spunlace nonwoven fabric is a kind of nonwoven fabric produced by treating sheets made of short fibers (hereinafter referred to as "web") with high-pressure water sprayed from a water jet and binding the short fibers together. Spunlace nonwovens are now widely used in disposable diapers, medical nonwovens, leather, and the like.
지금까지 생산, 판매되고 있는 스펀레이스 부직포는 크게 2가지 방법으로 제조되고 있다. 첫째 방법으로는, 혼타면 및 카딩(CADING) 공정을 거쳐 단섬유들이 웹(Web)의 길이방향으로 배향된 카딩 웹(A)을 제조한 다음, 이를 고압의 물이 분사되는 워터제트로 처리하여 단섬유들을 결속시키고, 건조 또는 인쇄 후 건조하여 도 3과 같은 스펀레이스를 제조하는 방법이 알려져 있다. 이와 같이 제조된 도 3의 스펀레이스는 단섬유들이 웹(Web)의 길이 방향으로 배향되어 있기 때문에 폭 방향의 신축성은 우수하나 길이 방향의 신축성이 부족한 문제가 있었다.The spunlace nonwovens produced and sold so far are manufactured in two ways. In the first method, a carding web A is prepared in which short fibers are oriented in the longitudinal direction of the web through a horn surface and a carding process, and then treated with a water jet to which high-pressure water is sprayed. It is known to bind the short fibers, dry or print and dry to produce a spunlace as shown in FIG. Since the spunlace of FIG. 3 manufactured as described above has short fibers in the longitudinal direction of the web, the elasticity in the width direction is excellent but the elasticity in the longitudinal direction is insufficient.
한편, 둘째 방법으로는 혼타면 및 카딩(CADING) 공정을 거쳐 단섬유들이 웹(Web)의 길이방향으로 배향된 카딩 웹(A)을 제조한 다음, 계속해서 상기 카딩 웹(A)을 크로스래퍼(Cross-Lapper) 성형기로 성형하여 단섬유들이 웹(Web)의 폭 방향으로 배향된 웹(이하 "성형 웹(B)" 이라고 한다)을 제조한다. 계속해서 상기 성형 웹(B)을 고압의 물이 분사되는 워터제트로 처리하여 단섬유들을 결속시키고, 건조 또는 인쇄후 건조하여 도 4와 같은 스펀레이스를 제조하는 방법이 달려져 있다.In the second method, a carding web A is prepared in which short fibers are oriented in the longitudinal direction of the web through a horn surface and a carding process, and then the carding web A is cross-wrappered. Molding with a Cross-Lapper molding machine produces a web in which the short fibers are oriented in the width direction of the web (hereinafter referred to as "molding web B"). Subsequently, the forming web B is treated with a water jet in which high-pressure water is injected to bind the short fibers, and dried or dried after printing to produce a spunlace as shown in FIG. 4.
이와 같이 제조된 도 4의 스펀레이스는 단섬유들이 웹(Web)의 폭 방향으로 배향되어 있기 때문에 길이 방향의 신축성은 우수하나 폭 방향의 신축성이 부족한 문제가 있었다.The spunlace of FIG. 4 manufactured as described above has a problem in that the short fibers are oriented in the width direction of the web, but the elasticity in the longitudinal direction is excellent, but the elasticity in the width direction is insufficient.
이와 같이 종래의 스펀레이스 부직포는 어느 한쪽 방향의 신축성이 양호한 반면, 다른 한쪽 방향의 신축성이 부족한 문제가 있었다. 다시말해 종래의 스펀레이스 부직포는 양방향 신축성은 부족 하였다. 또한 종래의 스펀레이스 부직포는 형태안정성 및 기계적 물성도 부족하여 다양한 부직포 용도에 범용적으로 사용하기에는 제한이 많았다.Thus, while the spunlace nonwoven fabric of the related art has good elasticity in either direction, there has been a problem of insufficient elasticity in the other direction. In other words, conventional spunlace nonwovens lack bidirectional stretch. In addition, the conventional spunlace nonwoven fabric has a lack of morphological stability and mechanical properties, there was a lot of restrictions to use universally for a variety of nonwoven applications.
본 발명의 목적은 이와 같은 종래의 문제를 해결하기 위하여, 양방향 신축성, 형태안정성 및 기계적 물성이 우수하여 다양한 부직포 용도에 범용적으로 사용이 가능한 스펀레이스 부직포를 제공하기 위한 것이다.An object of the present invention is to provide a spunlace nonwoven fabric that can be used universally in a variety of non-woven fabrics excellent in bidirectional elasticity, shape stability and mechanical properties in order to solve such a conventional problem.
본 발명은 양방향 신축성, 형태안정성 및 기계적 물성이 우수하여 다양한 용도에 사용이 가능한 스펀레이스 부직포를 제공하고자 한다. 아울러 본 발명은 상기 스펀레이스 부직포를 제조하는 방법을 제공하고자 한다.The present invention is to provide a spunlace nonwoven fabric that can be used for a variety of applications because of excellent bidirectional stretch, shape stability and mechanical properties. In addition, the present invention is to provide a method for producing the spunlace nonwoven fabric.
도 1은 본 발명의 단면 개략도 이다.1 is a cross-sectional schematic diagram of the present invention.
도 2는 본 발명의 확대 분해 사시도 이다.2 is an enlarged exploded perspective view of the present invention.
도 3 ∼ 도 4는 종래 스펀레이스 부직포의 사시 개략도 이다.3-4 is a perspective schematic diagram of a conventional spunlace nonwoven fabric.
※ 도면중 주요부분에 대한 부호 설명※ Explanation of main parts in drawings
A : 카딩 웹(카딩기를 통과한 웹)A: Carding web (web through carding machine)
B : 성형 웹(카딩기와 크로스래퍼를 통과한 웹)B: forming web (web passing through carding machine and cross wrapper)
C : 단섬유 배향 방향을 나타내는 라인C: Line indicating the direction of short fiber orientation
이와 같은 과제를 달성하기 위한 본 발명의 스펀레이스 부직포는 단섬유들이 웹(Web)의 폭 방향으로 배향된 성형 웹(B) 상에 단섬유들이 웹(Web)의 길이 방향으로 배향된 카딩 웹(A)이 적층되어 있는 2층 구조를 갖고, 상기 카딩 웹(A)과 성형 웹(B)이 이들을 구성하는 단섬유 상호간의 엉킴 현상에 의해 서로 결속되어 있는 것을 특징으로 한다.The spunlace nonwoven fabric of the present invention for achieving the above object is a carding web in which the short fibers are oriented in the longitudinal direction of the web (Web) on the forming web (B) where the short fibers are oriented in the width direction of the web (Web) It has a two-layer structure in which A) is laminated | stacked, It is characterized by the said carding web A and the shaping web B being tied together by the entanglement phenomenon between the short fibers which comprise these.
또한 본 발명의 제조방법은 카딩기를 통과한 카딩 웹(A)을 크로스래퍼(Cross-Lapper)로 성형하여 제조한 성형 웹(B) 위에 카딩 웹(A)을 적층시킨 다음, 여기에 워터제트로 고압의 물을 분사하여 이들을 서로 결속시킨 다음, 건조하는 것을 특징으로 한다.In addition, the manufacturing method of the present invention is laminated to the carding web (A) on the forming web (B) manufactured by molding the carding web (A) passed through the carding machine with a cross-lapper (Cross-Lapper), and then water jet It is characterized in that the high pressure of the water spray to bind them to each other, and then dry.
이하, 도면 등을 통하여 본 발명을 상세하게 설명한다.Hereinafter, the present invention will be described in detail with reference to the drawings.
본 발명의 스펀레이스 부직포는 도 1과 같이 단섬유들이 폭 방향으로 배향된 성형 웹(B) 상에 단섬유들이 길이방향으로 배향된 카딩 웹(A)이 적층/결속된 2층 구조를 갖는다.The spunlace nonwoven fabric of the present invention has a two-layered structure in which carding webs A in which short fibers are oriented in the longitudinal direction are laminated / bonded onto the forming web B in which the short fibers are oriented in the width direction.
본 발명은 먼저 단섬유들을 혼타면기 및 카딩기를 통과시켜 단섬유들이 웹(Web)의 길이 방향으로 배향된 카딩 웹(A)을 제조한다. 한편, 본 발명은 상기 카딩 웹(A)을 크로스래퍼(Cross-Lapper) 성형기로 성형처리하여 단섬유들이 웹의 폭 방향으로 배향된 성형 웹(B)을 제조한다. 본 발명에서 사용하는 단섬유는 천연섬유, 재생섬유, 반합성섬유 또는 합성섬유 이다.The present invention first makes the carding web (A) in which the short fibers are oriented in the longitudinal direction of the web (Web) by passing the short fibers through a horn face machine and a carding machine. On the other hand, the present invention by forming the carding web (A) with a cross-lapper (Cross-Lapper) molding machine to produce a molding web (B) in which short fibers are oriented in the width direction of the web. The short fibers used in the present invention are natural fibers, recycled fibers, semisynthetic fibers or synthetic fibers.
다음으로 본 발명은 상기 성형 웹(B) 상에 카딩 웹(A)을 적층시킨 다음, 이들을 결합설비로 처리하여 결속시킨 후 건조하여 스펀레이스 부직포를 제조한다. 이때 결합설비로는 고압의 물이 분사되는 워터제트(Water-jet)가 사용된다. 분사되는 고압의 물에 의해 성형 웹(B) 내의 단섬유들과 카딩 웹(A) 내의 단섬유들 간에 엉킴현상이 발생되어 상기 두 개 웹들은 서로 결속 된다. 상기 건조공정전에 필요에 따라 부직포 상에 인쇄작업을 하기도 한다.Next, the present invention laminates the carding web (A) on the forming web (B), and then bind them by a bonding facility to dry them to produce a spunlace nonwoven fabric. At this time, a water jet (water-jet) in which high pressure water is injected is used as a coupling facility. The high pressure water injected causes entanglement between the short fibers in the forming web B and the short fibers in the carding web A so that the two webs are bound together. Before the drying process, a printing operation may be performed on the nonwoven fabric as necessary.
이와 같이 제조된 본 발명의 스펀레이스 부직포는 단섬유들이 길이 방향으로배향된 웹(Web)과 폭 방향으로 배향된 웹(Web)이 적층/결속되어 있기 때문에 폭 방향의 신축성과 길이방향의 신축성 모두 우수하다. 아울러, 형태안정성 및 기계적 물성도 크게 향상되어 일회용 기저귀, 레져용 부직포 등 다양한 용도에 매우 유용하게 사용 될 수 있다.The spunlace nonwoven fabric of the present invention manufactured as described above has both the elasticity in the width direction and the elasticity in the longitudinal direction because the web in which the short fibers are oriented in the longitudinal direction and the web in the width direction are laminated / bonded. great. In addition, the shape stability and mechanical properties are also greatly improved, it can be very useful for a variety of applications, such as disposable diapers, leisure nonwoven fabrics.
이하 실시예 및 비교실시예를 통하여 본 발명을 더욱 구체적으로 살펴본다. 그러나 본 발명이 하기 실시예에만 한정되는 것은 아니다.Hereinafter, the present invention will be described in more detail with reference to Examples and Comparative Examples. However, the present invention is not limited only to the following examples.
실시예 1Example 1
4데니어의 폴리에스테르 단섬유(스테이플 파이버)를 호퍼-피더에 투입하여 혼합한 다음, 혼타면기와 카딩기(소면기)를 차례로 통과시켜 두께 10mm, 중량 300g/㎡의 카딩 웹(A)을 제조한다. 한편, 상기 카딩 웹(A)을 크로스레퍼 성형기로 처리하여 단섬유들이 폭 방향으로 배향된 성형 웹(B)을 제조한다. 계속해서 상기 성형 웹(B) 위에 카딩 웹(A)을 적층시킨 다음, 여기에 워터제트로 고압의 물을 분사하여 상기 웹들을 결속시키고 건조하여 스펀레이스 부직포를 제조한다. 제조한 스펀레이스 부직포는 폭 방향의 신축성과 길이방향의 신축성 모두 우수 하였다.4 denier polyester short fibers (staple fiber) were added to the hopper-feeder, mixed, and then passed through the horn machine and the carding machine (swetting machine) to prepare a carding web (A) having a thickness of 10 mm and a weight of 300 g / m 2. do. On the other hand, the carding web (A) is treated with a cross-wrapper forming machine to produce a molding web (B) in which short fibers are oriented in the width direction. Subsequently, the carding web (A) is laminated on the forming web (B), and then high pressure water is sprayed onto the forming web (B) to bind and dry the webs to prepare a spunlace nonwoven fabric. The spunlace nonwoven fabric produced was excellent in both the stretch direction in the width direction and the stretch direction in the longitudinal direction.
비교실시예 1Comparative Example 1
4데니어의 폴리에스테르 단섬유(스테이플 파이버)를 호퍼-피더에 투입하여 혼합한 다음, 혼타면기와 카딩기(소면기)를 차례로 통과시켜 두께 10mm, 중량 300g/㎡의 카딩 웹(A)을 제조한다. 계속해서 상기 카딩 웹(A)을 크로스레퍼 성형기로 처리하여 단섬유들이 폭 방향으로 배향된 성형 웹(B)을 제조한 후, 여기에워터제트로 고압의 물을 분사하여 결속시키고 건조하여 스펀레이스 부직포를 제조한다. 제조한 스펀레이스 부직포는 길이방향의 신축성은 우수하였으나 폭 방향의 신축성은 불량 하였다.4 denier polyester short fibers (staple fiber) were added to the hopper-feeder, mixed, and then passed through the horn machine and the carding machine (swetting machine) to prepare a carding web (A) having a thickness of 10 mm and a weight of 300 g / m 2. do. Subsequently, the carding web (A) is treated with a cross-wrapper forming machine to produce a forming web (B) in which the short fibers are oriented in the width direction. Nonwoven fabric is produced. The spunlace nonwoven fabric produced had excellent stretch in the longitudinal direction but poor stretch in the width direction.
비교실시예 2Comparative Example 2
4데니어의 폴리에스테르 단섬유(스테이플 파이버)를 호퍼-피더에 투입하여 혼합한 다음, 혼타면기와 카딩기(소면기)를 차례로 통과시켜 두께 10mm, 중량 300g/㎡의 카딩 웹(A)을 제조한다. 계속해서 상기 카딩 웹(A) 상에 워터제트로 고압의 물을 분사하여 결속시키고 건조하여 스펀레이스 부직포를 제조한다. 제조한 스펀레이스 부직포는 폭 방향의 신축성은 우수하였으나 길이방향의 신축성은 불량 하였다.4 denier polyester short fibers (staple fiber) were added to the hopper-feeder, mixed, and then passed through the horn machine and the carding machine (swetting machine) to prepare a carding web (A) having a thickness of 10 mm and a weight of 300 g / m 2. do. Subsequently, high-pressure water is sprayed on the carding web A with water jet to bind and dried to prepare a spunlace nonwoven fabric. The spunlace nonwoven fabric produced had excellent stretch in the width direction but poor stretch in the longitudinal direction.
본 발명의 스펀레이스 부직포는 양방향 신축성, 형태안정성 및 기계적 물성이 우수하다. 그 결과 일회용 기저귀, 의료용 부직포, 레더용 부직포 등 다양한 용도에 널리 사용 가능 하다.The spunlace nonwoven fabric of the present invention is excellent in bidirectional stretch, shape stability and mechanical properties. As a result, it can be widely used in various applications such as disposable diapers, medical nonwoven fabrics, and leather nonwoven fabrics.
Claims (4)
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|---|---|---|---|---|
| JPS5620655A (en) * | 1979-07-23 | 1981-02-26 | Kobunshi Kako Kenkyusho | Warp and weft laminated nonwoven fabric with high tear strength |
| KR900003461A (en) * | 1988-08-17 | 1990-03-26 | 최정효 | Manufacturing method of spanbond nonwoven fabric using polyester short fiber |
| JPH0544524U (en) * | 1991-10-01 | 1993-06-15 | 株式会社ワコール | Laminated nonwoven fabric, cushion material and pad material for clothing using the same |
| KR960011614A (en) * | 1994-09-30 | 1996-04-20 | 이데이 노브유끼 | Phase modulation circuit |
| JPH08199458A (en) * | 1995-01-19 | 1996-08-06 | Japan Vilene Co Ltd | Heat-resistant sheet for sputtering |
| JPH10325062A (en) * | 1997-05-23 | 1998-12-08 | Nippon Petrochem Co Ltd | Cross-drawn nonwoven fabric and its production |
| KR19990065197A (en) * | 1998-01-09 | 1999-08-05 | 구광시 | Manufacturing method of nonwoven fabric |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5620655A (en) * | 1979-07-23 | 1981-02-26 | Kobunshi Kako Kenkyusho | Warp and weft laminated nonwoven fabric with high tear strength |
| KR900003461A (en) * | 1988-08-17 | 1990-03-26 | 최정효 | Manufacturing method of spanbond nonwoven fabric using polyester short fiber |
| JPH0544524U (en) * | 1991-10-01 | 1993-06-15 | 株式会社ワコール | Laminated nonwoven fabric, cushion material and pad material for clothing using the same |
| KR960011614A (en) * | 1994-09-30 | 1996-04-20 | 이데이 노브유끼 | Phase modulation circuit |
| JPH08199458A (en) * | 1995-01-19 | 1996-08-06 | Japan Vilene Co Ltd | Heat-resistant sheet for sputtering |
| JPH10325062A (en) * | 1997-05-23 | 1998-12-08 | Nippon Petrochem Co Ltd | Cross-drawn nonwoven fabric and its production |
| KR19990065197A (en) * | 1998-01-09 | 1999-08-05 | 구광시 | Manufacturing method of nonwoven fabric |
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