KR101375750B1 - Knited fabric for bedding with excellent exothermic - Google Patents
Knited fabric for bedding with excellent exothermic Download PDFInfo
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- KR101375750B1 KR101375750B1 KR1020120124523A KR20120124523A KR101375750B1 KR 101375750 B1 KR101375750 B1 KR 101375750B1 KR 1020120124523 A KR1020120124523 A KR 1020120124523A KR 20120124523 A KR20120124523 A KR 20120124523A KR 101375750 B1 KR101375750 B1 KR 101375750B1
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
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- 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
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
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- 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
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/34—Core-skin structure; Spinnerette packs therefor
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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
- D01F1/08—Addition of substances to the spinning solution or to the melt for forming hollow filaments
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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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/36—Cored or coated yarns or threads
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/449—Yarns or threads with antibacterial properties
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/22—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
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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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
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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
- D10B2401/12—Physical properties biodegradable
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Woven Fabrics (AREA)
Abstract
Description
본 발명은 발열성이 우수한 생분해성 침장용 직물에 관한 것으로서, 보다 상세하게는 생분해성 재생 항균 폴리에스터 중공사를 경사로 하고, 시스/코어형(Sheath/Core type) 폴리에스터 발열 중공사를 위사로 하여 편직 또는 능직으로 제직된 항균성 뿐만 아니라 발열성이 우수한 생분해성 침장용 직물에 관한 것이다.
The present invention relates to a biodegradable bedding fabric having excellent heat generation, and more specifically, to a biodegradable regenerated antibacterial polyester hollow fiber, and to a sheath / core type polyester heat generating hollow fiber as a weft. The present invention relates to a biodegradable bedding fabric having excellent pyrogenicity as well as antimicrobial activity that is woven into knit or twill.
침장품의 분류에 있어서, 침구, 인테리어 장식용품이라고 하면 크게는 이불, 요에서 작게는 쿠션에 이르기까지 그리고 커튼, 러그, 카펫, 태피스트리 등 실내장식용 섬유제품에서 블라인드 등의 나무, 금속 및 이에 섬유를 복합시킨 제품에 이르기까지 광범위하다. In the classification of beddings, bedding and interior decoration products are generally composed of quilts, urine to small cushions, and wood, metal, and fibers such as blinds in textile products for interior decoration such as curtains, rugs, carpets, and tapestry. Ranges from products.
이러한 침장품이 주목을 받게 된 것은 우리나라의 경제성장과 함게 국민의 건강의식이 고조되면서 수면과 주생활에 대한 가치관이 바뀌어졌고, 주택의 신축과 개축 및 보수가 활황을 맞이함으로써 침장품의 수요가 급격히 증대되어 호황을 누리고 있는 실정이기 때문이다. These items were attracting attention as the economic growth of Korea and the health awareness of the people increased, and the values of sleep and living were changed. This is because the situation is booming.
우리들의 일상생활에서 주간의 활동 시에 의복을 착용하는 것과 마찬가지로 야간의 수면 시에는 편안한 수면을 취하기 위하여 참장류를 사용하고 있다. 이러한 침장류의 수급에 있어서, 과거에는 각 가정에서 손수 제작하여 주로 사용해 왔으나, 근래에는 대중 소비사회의 도래로 신판품을 구입하여 사용하는 비율이 높아지고 있는 실정이다. Just as we wear clothing during the daytime activities of our daily lives, we use tuna to get a good night's sleep. In the supply and demand of such acupuncture, in the past, it has been mainly used by hand-made by each household, but in recent years, the ratio of purchasing and using new editions is increasing with the advent of mass consumer society.
따라서, 이러한 소비형태에 부응하기 위하여 다양한 기능성이 부가된 침장품의 개발이 필요한 실정이다.
Therefore, in order to meet these consumption patterns, it is necessary to develop a bedding product with various functionalities.
본 발명에서는 재생 생분해 소재원사를 베이스로 하여 중공사와 발열사를 준비하고, 상기 중공사를 경사로하고, 상기 발열사를 위사로 하여 편직 또는 능직으로 제직된 발열성이 우수한 생분해성 침장용 직물을 제공하는 것을 그 해결과제로 한다.
The present invention provides a biodegradable bedding fabric having excellent pyrogenic properties prepared by knitting or twill weaving a hollow fiber and a heating yarn based on a regenerated biodegradable material yarn, the hollow fiber as a slope, and the heating yarn as a weft yarn. Doing that is the task.
상기한 과제를 해결한 본 발명의 발열성이 우수한 생분해성 침장용 직물은 재생 항균 폴리에스터 중공사를 경사로 하고, 시스/코어형(Sheath/Core type) 폴리에스터 발열 중공사를 위사로 하여 제직되되, The biodegradable bedding fabric of the present invention, which solves the above problems, is woven with a regenerated antibacterial polyester hollow fiber as a warp yarn and a sheath / core type polyester heat generating hollow fiber as a weft yarn. ,
상기 폴리에스터 중공사는 중공율 15~25%를 만족하고, 상기 폴리에스터 발열중공사는 탄화지르코늄이 코팅된 것으로 중공율 25~35%를 만족하며,The polyester hollow yarn satisfies the hollow ratio 15-25%, the polyester exothermic hollow fiber is coated with zirconium carbide, satisfies the hollow ratio 25-35%,
상기 폴리에스터 발열 중공사가 30~50중량% 포함하도록 제직되는 것을 특징으로 한다. The polyester heating hollow yarn is characterized in that it is woven to include 30 to 50% by weight.
여기서, 상기 경사로 사용되는 폴리에스터 중공사는 중공율 15~25%를 만족하는 재생 항균 폴리에스터 중공사에 라이오셀을 30~50중량%를 포함하도록 방사구금을 통해 혼합방사하여 된 20's~30's의 혼방사인 것을 특징으로 한다. Here, the polyester hollow yarn used as the inclined blended yarn of 20's ~ 30's made by mixed spinning through a spinneret so as to include a lyocell 30 to 50% by weight in the regenerated antibacterial polyester hollow fiber satisfying the hollow ratio 15-25% It is characterized by that.
여기서, 상기 위사로 사용되는 발열중공사는 중공율 25~35%를 만족하는 시스/코어형(Sheath/Core type) 폴리에스터 발열 중공사에 라이오셀을 30~50중량%를 포함하도록 방사구금을 통해 혼합방사하여된 30's~40's의 혼방사인 것을 특징으로 한다. Here, the exothermic hollow fiber used as the weft yarn is spinneret so as to include 30-50% by weight of lyocell in the sheath / core type polyester exothermic hollow fiber satisfying the hollow ratio of 25-35% It is characterized in that the mixed spinning through the 30's ~ 40's.
여기서, 상기 직물은 환편직물, 경편직물, 트리코트, 니트, 자카드 직물, 도비 직물 중 어느 하나인 것을 특징으로 한다.
Here, the fabric is characterized in that any one of circular knitted fabric, warp knitted fabric, tricot, knit, jacquard fabric, dobby fabric.
본 발명에서 제공되는 발열성이 우수한 생분해성 직물은 항균성이 우수할 뿐만 아니라, 침장용으로 사용시 우수한 발열성을 유지함으로써 보온성이 우수한 장점이 있다. The biodegradable fabric provided with excellent heat dissipation provided by the present invention not only has excellent antimicrobial properties but also has excellent heat retention by maintaining excellent heat generation when used for acupuncture.
또한, 본 발명에서 제공되는 발열성이 우수한 생분해성 직물은 침장물의 다양한 소재 분야에서 그린테크놀러지(Green Technology)를 접목한 재생 생분해 PET 소재를 이용하므로 독립적인 고급기술의 보유로 선진국과의 기술 경쟁에서 차별화가 가능하고, 세계적인 침장제품과 동등한 기술을 확보할 수 있는 장점이 있다.
In addition, the biodegradable fabric having excellent heat generation provided by the present invention uses recycled biodegradable PET material incorporating Green Technology in various material fields of the acupuncture, so that it has a high level of independent technology to compete with developed countries. There is an advantage in that it is possible to differentiate and secure the same technology as the global acupuncture products.
도 1 은 본 발명에서 제공되는 직물의 항균성을 시험한 결과를 도시한 사진이다.
도 2 는 본 발명에서 제공되는 직물의 발열성을 시험한 결과를 도시한 사진이다. 1 is a photograph showing the results of testing the antimicrobial properties of the fabric provided in the present invention.
Figure 2 is a photograph showing the results of testing the exothermic properties of the fabric provided in the present invention.
이하, 본 발명을 보다 상세히 설명하기로 한다. Hereinafter, the present invention will be described in more detail.
본 발명은 침장용 직물에 관한 것으로서, 보다 상세하게는 재생 폴리에스터 중공사와 시스코어형 폴리에스터 발열중공사를 경사와 위사로 사용하여 제직된 직물을 제공함에 있다. The present invention relates to a bedding fabric, and more particularly, to provide a woven fabric using regenerated polyester hollow fiber and ciscore polyester exothermic hollow fiber as warp and weft yarns.
본 발명에 따른 발열성이 우수한 생분해성 침장용 직물은 재생 항균 폴리에스터 중공사를 경사로 하고, 시스/코어형(Sheath/Core type) 폴리에스터 발열 중공사를 위사로 하여 제직되되, Biodegradable bedding fabric with excellent heat dissipation according to the present invention is weaved by using a regenerated antibacterial polyester hollow fiber as a warp, the sheath / core type polyester heat generating hollow fiber as a weft,
상기 폴리에스터 중공사는 중공율 15~25%를 만족하고, 상기 폴리에스터 발열중공사는 탄화지르코늄이 코팅된 것으로 중공율 25~35%를 만족하며,The polyester hollow yarn satisfies the hollow ratio 15-25%, the polyester exothermic hollow fiber is coated with zirconium carbide, satisfies the hollow ratio 25-35%,
상기 폴리에스터 발열 중공사가 30~50중량% 포함하도록 제직되어 이루어진다. The polyester heat-generating hollow yarn is made to be woven to include 30 to 50% by weight.
만일, 상기 폴리에스터 중공사가 중공율을 벗어날 경우에는 만족할 만한 항균성과 제사공정성을 얻기 어려운 문제가 있다. If the polyester hollow yarn deviates from the hollow ratio, there is a problem that it is difficult to obtain satisfactory antibacterial properties and weaving processability.
또한, 상기 폴리에스터 발열중공사가 그 중고율을 벗어날 경우에는 만족할 만한 발열성을 얻기 어려운 문제가 있다. In addition, when the polyester exothermic hollow fiber deviates from its high rate, there is a problem that it is difficult to obtain satisfactory exothermicity.
본 발명에 따르면, 상기 경사로 사용되는 폴리에스터 중공사는 20's~30's의 혼방사로, 중공율 15~25%를 만족하는 재생 항균 폴리에스터 중공사에 라이오셀을 30~50중량%를 포함하도록 방사구금을 통해 혼합방사하여 된 혼방사를 사용할 수 있다. According to the present invention, the polyester hollow yarn used as the warp yarn is a mixed yarn of 20's to 30's, and spinnerets are made to contain 30 to 50% by weight of lyocell in the regenerated antibacterial polyester hollow fiber satisfying the hollow ratio of 15 to 25%. Mixed spinning can be used through the mixed spinning.
또한, 상기 위사로 사용되는 발열중공사는 중공율 25~35%를 만족하는 시스/코어형(Sheath/Core type) 폴리에스터 발열 중공사에 라이오셀을 30~50중량%를 포함하도록 방사구금을 통해 혼합방사하여된 30's~40's의 혼방사를 사용할 수 있다. In addition, the exothermic hollow fiber used as the weft yarn spinneret to include 30-50% by weight of lyocell in the sheath / core type polyester exothermic hollow fiber satisfying the hollow ratio of 25-35% 30's to 40's of mixed spinning can be used.
본 발명에 따르면, 상기 직물은 환편직물, 경편직물, 트리코트, 니트, 자카드 직물, 도비 직물 중 어느 하나일 수 있다. According to the present invention, the fabric may be any one of circular knit fabric, warp knitted fabric, tricot, knit, jacquard fabric and dobby fabric.
본 발명에 따르면, 상기 폴리에스터 중공사는 항균성을 부여하기 위하여 Ag-Zn를 비표면적이 750㎡/g이상인 담체에 담지하여 항균성과 소취력이 우수한 복합 나노입자를 준비하고, 상기 복합나노입자를 이용하여 중합시켜 기능성 PET Chip을 제작하고, 상기 PET Chip을 복합방사하여 된 방적사일 수 있다. 본 발명에서는 재생 생분해 PET로 PET FY 75/36의 중공사로 제조하여 된 것을 사용하였다. According to the present invention, in order to impart antimicrobiality, the polyester hollow yarn supports Ag-Zn on a carrier having a specific surface area of 750 m 2 / g or more to prepare composite nanoparticles having excellent antibacterial and deodorizing power, and using the composite nanoparticles. It may be a spun yarn made by polymerizing by producing a functional PET chip, and composite spinning the PET chip. In the present invention, a regenerated biodegradable PET was prepared by using hollow fiber of PET FY 75/36.
또한, 본 발명에서 사용된 발열중공사는 태양광 집열장치의 태양열 선택흡수막에 사용하고, 태양광을 받으면 근적외선을 흡수, 열에너지로 발열의 기능을 보유하고 있는 탄화지르코늄을 사용하여 시스코어형 원면을 복합화하여 된 폴리에스터 발열 중공사로 발열, 항균 및 소취 기능성을 가지는 원사를 사용한다. In addition, the exothermic hollow fiber used in the present invention is used in the solar heat-absorbing film of the solar heat collecting device, and absorbs near infrared rays when receiving sunlight, using zirconium carbide having a function of heat generation by thermal energy to form a ciscore type It is a composite polyester exothermic hollow fiber that uses yarn that has exothermic, antibacterial and deodorant functionality.
이상에서 설명된 바와 같은 본 발명에서 제공되는 침장용 직물을 시편을 준비하고, 항균성 시험을 해 보았으며 그 결과는 첨부도면 도 1에 도시된 바와 같다. Prepare the specimen for the bedding fabric provided in the present invention as described above, and tested the antimicrobial and the results are as shown in Figure 1 attached.
도 1에 도시된 바와 같이, 시험균으로 황색포도상구균과 대장균을 접종하고 24시간 방치한 후, 그 결과를 살표본 바에 따르면, 대조면에 비해 본 발명의 직물은 각각의 군에서 세균의 번식이 전혀 이루어지지 않았음을 알 수 있었다. As shown in Figure 1, after inoculating Staphylococcus aureus and Escherichia coli with the test bacteria and left for 24 hours, the results of the sample according to the sample, the fabric of the present invention compared to the control surface of the bacteria in each group It was not found at all.
또한, 본 발명에서 제공되는 침장용 직물과 일반직물의 발열성을 비교시험하였으며, 그 결과는 첨부도면 도 2에 도시된 바와 같다. In addition, the heat resistance of the bedding fabric and the general fabric provided in the present invention was tested, and the result is as shown in FIG.
도 2에 도시된 바와 같이, 본 발명에서 제공되는 침장용 직물이 일반직물에 비해 월등히 우수한 발열성을 보유하고 있는 것을 확인하였다.
As shown in Figure 2, it was confirmed that the acupuncture fabric provided in the present invention has an excellent heat generation compared to the general fabric.
Claims (4)
상기 경사로 사용되는 폴리에스터 중공사는 중공율 15~25%를 만족하는 재생 항균 폴리에스터 중공사에 라이오셀을 30~50중량%를 포함하도록 방사구금을 통하여 혼합 방사하여 된 20's~30's의 혼방사이며,
상기 폴리에스터 발열중공사는 탄화지르코늄이 코팅된 것으로 중공율 25~35%를 만족하며,
상기 폴리에스터 발열 중공사가 30~50중량% 포함하도록 제직되는 것을 특징으로 하는 발열성이 우수한 생분해성 침장용 직물.
Biodegradable bedding fabric with excellent heat generation is woven with regenerated antibacterial polyester hollow fiber and weaved with Sheath / Core type polyester heat generating hollow fiber.
The polyester hollow yarn used as the warp yarn is a mixed yarn of 20's to 30's made by mixing and spinning through a spinneret so as to include 30 to 50% by weight of lyocell in the regenerated antibacterial polyester hollow fiber satisfying the hollow ratio of 15 to 25%,
The polyester heating hollow fiber is coated with zirconium carbide satisfies the hollow ratio 25 ~ 35%,
Biodegradable bedding fabric with excellent heat generation, characterized in that weaving so as to include 30 to 50% by weight of the polyester heating hollow yarn.
상기 폴리에스터 중공사는 중공율 15~25%를 만족하고,
상기 위사로 사용되는 폴리에스터 발열중공사는 탄화지르코늄이 코팅된 것으로 중공율 25~35%를 만족하는 시스/코어형(Sheath/Core type) 폴리에스터 발열 중공사에 라이오셀을 30~50중량%를 포함하도록 방사구금을 통해 혼합 방사하여 된 30's~40's의 혼방사이며,
상기 폴리에스터 발열 중공사가 30~50중량% 포함하도록 제직되는 것을 특징으로 하는 발열성이 우수한 생분해성 침장용 직물.
Biodegradable bedding fabric with excellent heat generation is woven with regenerated antibacterial polyester hollow fiber and weaved with Sheath / Core type polyester heat generating hollow fiber.
The polyester hollow yarn satisfies the hollow ratio 15-25%,
Polyester exothermic hollow fiber used as the weft yarn is coated with zirconium carbide, 30-50% by weight of lyocell in a sheath / core type polyester exothermic hollow fiber satisfying the hollow ratio 25-35% 30's to 40's blended yarns are mixed spinning through a spinneret to include
Biodegradable bedding fabric with excellent heat generation, characterized in that weaving so as to include 30 to 50% by weight of the polyester heating hollow yarn.
상기 직물은 환편직물, 경편직물, 트리코트, 니트, 자카드 직물, 도비 직물 중 어느 하나인 것을 특징으로 하는 발열성이 우수한 침장용 직물.The method according to claim 1 or 3,
The fabric is a bedding fabric having excellent heat generation, characterized in that any one of circular knitted fabric, warp knitted fabric, tricot, knit, jacquard fabric, Dobby fabric.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03137214A (en) * | 1989-10-19 | 1991-06-11 | Unitika Ltd | Light-weight heat-insulation fiber |
| JPH10121330A (en) * | 1996-08-29 | 1998-05-12 | Unitika Ltd | Porous hollow sheath-core conjugate fiber |
| JP2009144271A (en) | 2007-12-12 | 2009-07-02 | Teijin Fibers Ltd | Hollow polyester multifilament and method for producing the same |
| JP2009191390A (en) * | 2008-02-13 | 2009-08-27 | Unitica Fibers Ltd | Recycled hollow multifilament |
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2012
- 2012-11-05 KR KR1020120124523A patent/KR101375750B1/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03137214A (en) * | 1989-10-19 | 1991-06-11 | Unitika Ltd | Light-weight heat-insulation fiber |
| JPH10121330A (en) * | 1996-08-29 | 1998-05-12 | Unitika Ltd | Porous hollow sheath-core conjugate fiber |
| JP2009144271A (en) | 2007-12-12 | 2009-07-02 | Teijin Fibers Ltd | Hollow polyester multifilament and method for producing the same |
| JP2009191390A (en) * | 2008-02-13 | 2009-08-27 | Unitica Fibers Ltd | Recycled hollow multifilament |
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