KR100333784B1 - Colored waste fiber and fiber ball, and method for producting them - Google Patents
Colored waste fiber and fiber ball, and method for producting them Download PDFInfo
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- KR100333784B1 KR100333784B1 KR1020000007143A KR20000007143A KR100333784B1 KR 100333784 B1 KR100333784 B1 KR 100333784B1 KR 1020000007143 A KR1020000007143 A KR 1020000007143A KR 20000007143 A KR20000007143 A KR 20000007143A KR 100333784 B1 KR100333784 B1 KR 100333784B1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
- B29C44/588—Moulds with means for venting, e.g. releasing foaming gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
Abstract
본 발명은 직물 원단인 벨로아 및 벨벳을 생산하는 과정에서 원단 표면처리시 다량 깎여 나오는 낙모를 염색 과정을 거쳐 만든 낙모 칼라솜 및 이를 이용하여 만든 다양한 크기의 낙모 칼라 섬유볼, 그리고 이들의 제조방법에 관한 것이다. 본 발명에 따른 낙모 칼라솜 및 낙모 칼라 섬유볼은 필요에 따라 에멀젼 수지 바인더에 적닥량 혼합하여 흡음재, 방충재, 건축 내장재, 포장용 내충격재, 각종 미술 소재, 모자이크 소재 등에 유용하게 사용된다.The present invention in the process of producing the woven fabric veloa and velvet camel color cotton made through a process of dyeing a lot of cut camel during the surface treatment of the fabric and camel color fiber balls of various sizes made using the same, and a method for producing them It is about. The camel collar cotton and camel color fiber ball according to the present invention are mixed in an amount of emulsion resin binder as needed to be usefully used for sound absorbing materials, insect repellent materials, building interior materials, impact resistance for packaging, various art materials, mosaic materials and the like.
Description
본 발명은 섬유 업계에서 다량 생산되는 직물 원단중 벨로아 및 벨벳을 생산하는 과정에서 원단 표면처리시 다량 깎여 나오는 솜 형태의 낙모를 염색한 낙모 칼라솜 및 이를 이용하여 직경 1mm∼10mm로 만든 낙모 칼라 섬유볼, 그리고 이들의 제조방법에 관한 것이다.The present invention is a dyeing cotton wool dyeing cotton wool in the form of cotton wool cut during the surface treatment of the fabric in the process of producing veloa and velvet among the textile fabrics produced in large quantities in the textile industry and camel color fibers made of a diameter of 1mm to 10mm Ball, and a method of manufacturing the same.
본 발명에 따른 낙모 칼라솜 및 낙모 칼라 섬유볼은 필요에 따라 에멀젼 수지 바인더에 적닥량 혼합하여 흡음재, 방충재, 건축 내장재, 포장용 내충격재, 각종 미술 소재, 모자이크 소재 등에 유용하게 사용된다.The camel collar cotton and camel color fiber ball according to the present invention are mixed in an amount of emulsion resin binder as needed to be usefully used for sound absorbing materials, insect repellent materials, building interior materials, impact resistance for packaging, various art materials, mosaic materials and the like.
종래에는 직물 원단을 생산하는 과정에서 다량 발생하는 솜 형태의 낙모를 대부분 소각 처리하므로 자원 낭비는 물론 대기를 오염시키는 환경 문제를 야기시켰으나, 본 발명에서는 이러한 폐기물을 이용하여 각종 소재에 유용한 낙모 칼라솜이나 낙모 칼라 섬유볼을 제조하는 방법 및 그 방법에 의해 제조된 낙모 칼라솜 및 낙모 칼라 섬유볼을 제공한다.Conventionally, incineration of cotton-shaped wool that occurs in large quantities in the process of producing fabric fabrics caused environmental problems that not only waste resources but also pollute the air, but in the present invention, the use of such waste in the form of camel color cotton useful for various materials And a method for producing a camel color fiber ball and a camel color cotton and camel color fiber ball produced by the method.
국내 많은 섬유 산업체중에서 다량 생산되는 의류용 직물 원단중 '벨로아'및 '벨벳'으로 불리는 직물은 그의 생산 과정중에 원단의 털 길이를 일정하게 하기 위하여 원단을 샤링기에 넣고 털을 깎아내는 공정을 필수적으로 하고 있고 이러한 공정에 의해 깎여나온 낙모를 제거해야하는 문제가 있었다.Among the textile fabrics for apparel fabrics produced in large quantities in many domestic textile industries, the fabrics called 'beloa' and 'velvet' are required to put the fabric into a shaling machine and to shave the hair to make the hair length constant during the production process. There was a problem to remove the camel shaved by this process.
보통 제조하는 재료의 성분에 따라 자연섬유인 면과 화학섬유인 폴리에스테르 또는 인조견 섬유등 여러 가지 섬유의 단섬유, 즉 0.5mm∼4 mm 정도인 일명 낙모라 불리는 오염되지 않고 깨끗한 낙모가 업체마다 쉽게 처리하기 어려울 정도로 많이 발생하고 있는 실정이다.Depending on the ingredients of the material to be manufactured, uncontaminated and clean camels, called short rays of various fibers such as natural fibers such as cotton and chemical fibers such as polyester or artificial dog fibers, or 0.5mm to 4mm It is happening so much that it is difficult to process.
보통 섬유 산업체에서는 환경 오염물로서 발생되는 이러한 섬유 낙모를 소각로를 설치하여 태워 없애거나 환경 처리업체에 많은 경비를 들여 수거토록 하여 소각로에서 태워버리는 것이 일반적인 관행이었다.In the textile industry, it has been common practice to install and burn down such fiber camels, which are generated as environmental pollutants, by incinerators or by collecting them at large expense from environmental processors.
따라서, 업체마다 처리하기 힘들 정도로 많이 발생하고 있는 이들 낙모를 지금까지 처리하던 방법대로 소각해버리는 것은 소각에 따른 환경 오염문제를 유발할 뿐만 아니라 낙모 처리 비용을 더 부담해야하는 경제적 부담을 지게되며 또한 대부분 수입에 의존하고 있는 이들 자원을 그대로 폐기해 버리게되므로 자원 낭비의 문제가 있었다.Therefore, incineration of these camels, which are so difficult to process by each company, will not only cause environmental pollution from incineration, but also bear the economic burden of treating them. Since these resources, which are dependent on the system, are discarded as they are, there was a problem of wasting resources.
본 발명은 상술한 바와 같은 종래의 문제점을 해결하기 위하여 섬유 산업체에서 산업 폐기물로 발생하는 자연 섬유나 화학 섬유의 낙모를 활용하는 것을 그 기술적 과제로 하고 있다.The technical problem of the present invention is to utilize the natural fibers or the camels of chemical fibers generated as industrial wastes in the textile industry in order to solve the conventional problems as described above.
본 발명자들은 이와 같이 산업 폐기물로 발생하는 낙모를 활용하는 방법을연구한 결과 낙모를 염색 처리하여 낙모 칼라솜을 만들고 이를 다시 직경 1mm∼10mm의 낙모 칼라 섬유볼을 만들면 흡음재, 방충재, 건축 내장재, 포장용 내충격재, 각종 미술 소재, 모자이크 소재 등에 유용하게 사용된다는 사실을 알아내고 본 발명을 완성하기에 이르렀다.The present inventors have studied the method of utilizing the camel generated from industrial wastes as a result of dyeing the camel to make a camel color cotton and then make a camel color fiber ball with a diameter of 1mm ~ 10mm, sound absorbing material, insect repellent, building interior material, The present invention has been completed by finding out that it is usefully used for impact resistance materials for packaging, various art materials, and mosaic materials.
본 발명은 (1)길이 0.5mm∼4mm의 낙모를 천으로 된 섬유망에 담아서 염색기에 투입하여 50℃∼70℃의 물에서 약 15∼25분 동안 수세하는 단계, (2)물만 빠져나갈 수 있도록 된 섬유망이나 스텐망에 담아서 탈수기로 탈수하는 단계, (3)물이 담긴 염색기에 상기 낙모를 투입한 후 염료를 투입하여 40℃∼50℃로 1차 승온하는 단계, (4)다시 60℃∼100℃로 2차 승온하여 40분 동안 유지시키는 단계, (5)탈수한 후 계면활성제 또는 세제로 수세하고 다시 탈수하는 단계, 그리고 (6)탈수된 낙모를 60℃∼140℃로 건조시키는 단계를 포함하는 낙모 칼라솜의 제조방법을 제공한다.The present invention (1) the step of putting the 0.5mm-4mm long wool in a cloth fiber cloth, the dyeing machine and washing with water for about 15-25 minutes in water of 50 ℃ ~ 70 ℃, (2) water can only escape Dehydrating with a dehydrator in a fiber or stainless steel mesh, (3) adding the dye to a dyeing machine containing water, and then adding a dye to increase the temperature to 40 ° C. to 50 ° C. first, (4) 60 (2) dehydrating, washing with a surfactant or detergent and dehydrating again, and (6) drying the dehydrated camel to 60-140 캜. It provides a method for producing a camel collar cotton comprising the step.
본 발명에서 사용되는 섬유 낙모는 면이나 화학섬유를 불문하고 사용될 수 있는 데, 직물 원단 재단시 발생되는 낙모의 길이는 보통 0.5mm∼4mm로서 솜 형태를 갖는다.Fiber camel used in the present invention can be used regardless of cotton or chemical fibers, the length of the camel generated when cutting the woven fabric is usually 0.5mm ~ 4mm and has a cotton form.
본 발명에서는 불순물을 제거하여 염색을 깨끗하게하기 위해서 낙모를 50℃∼70℃의 물로 15∼25분 동안 세척한다. 이때, 물의 온도가 50℃미만이거나 70℃보다 높으면 불순물이 남아서 염색시 색상이 얼룩지는 현상이 일어나기 때문에 바람직하지 못하다.In the present invention, the camel is washed with water at 50 ° C. to 70 ° C. for 15 to 25 minutes to remove impurities and clean the dyeing. At this time, if the temperature of the water is less than 50 ℃ or higher than 70 ℃ undesired because the phenomenon that the color staining occurs during the dyeing is not preferable.
본 발명에 따라 물로 세척된 낙모는 길이가 0.5mm∼4mm이기 때문에 이들이 빠져나가지 못하도록 위 범위보다 더 작은 0.2mm의 섬유나 스텐레스 여과망이 설치된 탈수기 탱크에서 탈수된다.Since the camels washed with water according to the present invention are 0.5 mm to 4 mm in length, they are dehydrated in a dehydrator tank equipped with a 0.2 mm fiber or stainless steel filter net smaller than the above range so that they cannot escape.
물에 염료를 투입할 때 40℃∼50℃로 승온시킨다. 이 때 온도가 40℃ 미만이면 색상이 얼룩지거나 탈색되는 현상이 일어나고, 50℃ 보다 높으면 염료가 먼저 투입되는 부분에 색상이 진해져 얼룩지는 현상이 일어나 바람직하지 못하다.When dye is added to water, it heats up at 40 degreeC-50 degreeC. At this time, if the temperature is less than 40 ℃ phenomenon occurs that the color is stained or discolored, if the temperature is higher than 50 ℃ is a phenomenon that the color is darkened in the portion to which the dye is first introduced is not preferable.
다시, 낙모가 자연 섬유인 경우 60℃∼100℃에서, 그리고 낙모가 화학 섬유인 경우는 130℃∼140℃에서 40분 동안 승온시킨다. 이 때 온도가 하한 온도(즉, 60℃ 및 130℃) 미만이면 색상이 연해지거나 탈색되는 현상이 일어나고, 상한 온도(즉, 100℃ 및 140℃) 보다 높으면 원하는 색상보다 진해지는 현상이 일어나 바람직하지 못하다.Again, the temperature is raised for 40 minutes at 60 ° C. to 100 ° C. when the camels are natural fibers and at 130 ° C. to 140 ° C. when the camels are chemical fibers. At this time, if the temperature is lower than the lower limit temperature (that is, 60 ° C and 130 ° C), the color becomes soft or discolored. If the temperature is higher than the upper limit temperature (i.e., 100 ° C and 140 ° C), the phenomenon becomes darker than the desired color. Can not do it.
염색후 세척할 때에는 통상적인 계면활성제나 세제를 사용해도 무방하다.When washing after dyeing, a conventional surfactant or detergent may be used.
마지막 단계로서, 탈수된 낙모를 60℃∼140℃에서 건조시킨다. 이 경우 60℃ 미만에서 건조시키면 색도가 연해지고, 140℃보다 높은 온도에서 건조시키면 색도가 진해지는 현상이 일어나기 때문에 바람직하지 못하다.As a final step, dehydrated camels are dried at 60 ° C to 140 ° C. In this case, it is not preferable to dry at less than 60 ° C., because the chromaticity is soft, and if it is dried at a temperature higher than 140 ° C., the color becomes thicker.
자연 섬유나 화학 섬유 낙모 칼라 섬유볼을 만들기 위해서는, 마지막 단계에서 60℃∼140℃에서 건조시키기 전에 탈수된 낙모를 섬유볼 성형기 내에서 좌우로 40분∼70분 동안 왕복 운동을 반복시키면 섬유볼이 형성된다. 섬유볼의 크기는 왕복 운동 시간을 변경함으로써 조절될 수 있는 데, 직경 1mm∼10mm의 섬유볼을 형성하려면 40분∼70분 동안 왕복 운동을 시키면 된다.To make natural or chemical fiber camel colored fiber balls, repeat the reciprocating motion of the dehydrated camel for 40 to 70 minutes left and right in the fiber ball molding machine before drying at 60 ℃ ~ 140 ℃ in the last step. Is formed. The size of the fiber ball can be adjusted by changing the reciprocating time, but to form a fiber ball with a diameter of 1mm to 10mm, reciprocating for 40 minutes to 70 minutes.
또한, 위 범위 내의 온도에서 40분 미만으로 건조하면 볼이 풀어지는 현상이 일어나고, 70분 이상 건조하면 너무 단단해지는 현상이 일어나기 때문에 바람직하지 못하다.In addition, if the drying in less than 40 minutes at a temperature within the above range is a phenomenon that the ball loosens, and if it is dried for more than 70 minutes is too hard phenomenon is not preferable.
이하, 실시예에서 본 발명을 보다 상세하게 설명하며, 본 발명의 범위는 이들 실시예에 한정되지 않는다.Hereinafter, the present invention will be described in more detail with reference to Examples, and the scope of the present invention is not limited to these Examples.
실시예 1Example 1
(자연 섬유 낙모 칼라솜의 제조)(Manufacture of natural fiber camel calla)
길이 0.5mm∼4mm의 면섬유 낙모 10kg을 천으로 된 섬유망에 담아서 염색기(JY-042, 중앙산업사 제품)에 투입하여 50℃의 물 100??로 15분 동안 수세하였다. 그 다음, 물만 빠져나갈 수 있도록 된 섬유망에 담아서 탈수기(JY-142, 중앙산업사 제품)로 탈수하였다.10 kg of cotton fiber camels of 0.5 mm to 4 mm length were put in a cloth fabric and placed in a dyeing machine (JY-042, manufactured by Joongang Industry Co., Ltd.) and washed with water at 100 ° C. for 15 minutes. Then, it was dehydrated with a dehydrator (JY-142, manufactured by Chung-Ang Industry Co., Ltd.) in a fiber network that allowed only water to escape.
탈수된 낙모를 물 100??가 담긴 상기 염색기에 투입한 후, 황색 염료(Yellow 4GE, ZENECA사제)를 투입하여 40℃로 1차 승온하고, 다시 60℃로 2차 승온하여 40분 동안 유지시켰다.After the dehydrated camel was put into the dyeing machine containing 100 ° of water, a yellow dye (Yellow 4GE, manufactured by ZENECA) was added thereto, the temperature was first increased to 40 ° C., and the temperature was further increased to 60 ° C. for 2 minutes. .
탈수한 후 계면활성제(DW-04, 동원산업사 제품)로 수세하고 다시 탈수한 다음, 탈수된 낙모를 60℃에서 건조시켜 황색 낙모 솜을 얻었다.After dehydration, the product was washed with a surfactant (DW-04, manufactured by Dongwon Industry Co., Ltd.), dehydrated again, and the dehydrated camel was dried at 60 ° C. to obtain a yellow camel wool.
실시예 2Example 2
(자연 섬유 낙모 칼라솜의 제조)(Manufacture of natural fiber camel calla)
길이 0.5mm∼4mm의 면섬유 낙모10kg을 천으로 된 섬유망에 담아서 실시예1의 염색기에 투입하여 70℃의 물 100??로 25분 동안 수세하였다. 그 다음, 물만 빠져나갈 수 있도록 섬유망에 담아서 실시예1에서 사용된 탈수기로 탈수하였다.10 kg of cotton fiber camels of 0.5 mm to 4 mm length were put in a cloth fiber cloth, and the resultant was placed in the dyeing machine of Example 1 and washed with water at 100 ° C. of 70 ° C. for 25 minutes. Then, dewatered with the dehydrator used in Example 1 contained in a fiber net so that only water can escape.
탈수된 낙모를 물100??가 담긴 상기 염색기에 투입한 후 검정색 염료(Black 4GE, ZENECA사제)를 투입하여 50℃로 1차 승온하고, 다시 100℃로 2차 승온하여 40분 동안 유지시켰다.The dehydrated camel was added to the dyeing machine containing water 100 ??, followed by adding a black dye (Black 4GE, manufactured by ZENECA) to raise the temperature to 50 ° C. first, and then to 100 ° C. for the second time to maintain for 40 minutes.
탈수한 후 실시예1에서 사용된 계면활성제로 수세하고 다시 탈수한 다음, 탈수된 낙모를 140℃에서 건조시켜 검정색의 낙모 솜을 얻었다.After dehydration, the resultant was washed with the surfactant used in Example 1, dehydrated again, and the dehydrated camel was dried at 140 ° C. to obtain black camel cotton.
실시예 3Example 3
(자연 섬유 낙모 칼라 섬유볼의 제조)(Production of natural fiber camel color fiber ball)
실시예 1의 마지막 단계에 있어서, 60℃에서 건조시키기 전에 탈수된 면섬유 낙모를 섬유볼 성형기에 넣고 좌우 반복 운동을 40분 작동시키는 것을 제외하고는 실시예 1의 과정을 반복하였다.In the final step of Example 1, the procedure of Example 1 was repeated except that the dehydrated cotton fiber camels were placed in a fiber ball molding machine for 40 minutes before the drying at 60 ° C.
실시예 4Example 4
(자연 섬유 낙모 칼라 섬유볼의 제조)(Production of natural fiber camel color fiber ball)
실시예 2의 마지막 단계에 있어서, 140℃에서 건조시키기 전에 탈수된 면섬유 낙모를 섬유볼 성형기에 넣고 좌우 반복 운동을 70분 작동시키는 것을 제외하고는 실시예 2의 과정을 반복하였다.In the last step of Example 2, the procedure of Example 2 was repeated except that the dehydrated cotton fiber camels were placed in a fiber ball molding machine and operated for 70 minutes on left and right repetitive motions before drying at 140 ° C.
실시예 5Example 5
(화학 섬유 낙모 칼라 섬유솜의 제조)(Production of chemical fiber camel color fiber cotton)
실시예 1의 2차 승온 단계에서, 60℃로 승온하는 대신에 130℃로 승온하고, 면섬유 대신에 화학섬유로서 폴리에스테르 섬유를 사용하는 것을 제외하고는 실시예 1에서와 동일한 과정을 반복하여 황색 화학 섬유 낙모 섬유 솜을 제조하였다.In the second heating step of Example 1, the same procedure as in Example 1 was repeated, except that the temperature was raised to 130 ° C instead of 60 ° C, and polyester fiber was used instead of cotton fiber. Chemical fiber camel fiber cotton was prepared.
실시예 6Example 6
(화학 섬유 낙모 칼라 섬유솜의 제조)(Production of chemical fiber camel color fiber cotton)
실시예 2의 2차 승온 단계에서, 100℃로 승온하는 대신에 140℃로 승온하고,면섬유 대신에 화학섬유로서 폴리엣테르 섬유를 사용하는 것을 제외하고는 실시예 1에서와 동일한 과정을 반복하여 황색 화학 섬유 낙모 섬유 솜을 제조하였다.In the second temperature increase step of Example 2, the same process as in Example 1 was repeated except that the temperature was raised to 140 ° C instead of 100 ° C, and polyether fiber was used as the chemical fiber instead of the cotton fiber. Yellow chemical fiber camel fiber cotton was prepared.
실시예 7Example 7
(화학 섬유 낙모 칼라 섬유볼의 제조)(Production of chemical fiber camel color fiber ball)
실시예 1의 마지막 단계에 있어서, 60℃에서 건조시키기 전에 탈수된 화학 섬유 낙모를 섬유볼 성형기에 넣고 좌우 반복 운동을 40분 작동시키는 것을 제외하고는 실시예 1의 과정을 반복하였다.In the last step of Example 1, the procedure of Example 1 was repeated except that the dehydrated chemical fiber camels were placed in a fiber ball molding machine and operated for 40 minutes on the left and right repetitive motions before drying at 60 ° C.
실시예 8Example 8
(화학 섬유 낙모 칼라 섬유볼의 제조)(Production of chemical fiber camel color fiber ball)
실시예 2의 마지막 단계에 있어서, 140℃에서 건조시키기 전에 탈수된 화학 섬유 낙모를 섬유볼 성형기에 넣고 좌우 반복 운동을 70분 작동시키는 것을 제외하고는 실시예 2의 과정을 반복하였다.In the final step of Example 2, the procedure of Example 2 was repeated except that the dehydrated chemical fiber camels were placed in a fiber ball molding machine and the left and right repetitive motions were operated for 70 minutes before drying at 140 ° C.
본 발명에 따르면, 종래에 직물 원단을 생산하는 과정에서 다량 발생하는 솜 형태의 낙모를 대부분 소각 처리하므로 자원 낭비는 물론 대기를 오염시키는 환경문제를 야기시켰으나, 본 발명에서는 이러한 폐기물을 활용하여 낙모 칼라 솜이나 낙모 칼라 섬유볼을 제조하여 각종 유용한 소재로 사용할 수 있다.According to the present invention, incineration of most of the cotton-shaped wool that occurs in the process of producing a conventional fabric fabric has caused an environmental problem that not only wastes resources but also pollutes the air, but in the present invention utilizes such waste color Cotton or camel color fiber balls can be manufactured and used as various useful materials.
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR890001532A (en) * | 1987-07-08 | 1989-03-27 | 차알즈 에프·헤이간 | Pediatric ibuprofen preparation and preparation method thereof |
KR890006858A (en) * | 1987-10-02 | 1989-06-16 | 정덕락 | Method for reclaiming of sack of insulating fiber fabric such as glass rate or rock wool to be disposed of |
KR910009276A (en) * | 1989-11-07 | 1991-06-28 | 손성배 | Extraction Method of Harpagoside-Containing Extract |
JPH06341058A (en) * | 1993-05-31 | 1994-12-13 | Kondo Toshio | Method for processing protein fiber product |
US5519925A (en) * | 1994-01-21 | 1996-05-28 | Burlington Industries, Inc. | Denim fabric made from denim waste |
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Publication number | Priority date | Publication date | Assignee | Title |
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KR890001532A (en) * | 1987-07-08 | 1989-03-27 | 차알즈 에프·헤이간 | Pediatric ibuprofen preparation and preparation method thereof |
KR890006858A (en) * | 1987-10-02 | 1989-06-16 | 정덕락 | Method for reclaiming of sack of insulating fiber fabric such as glass rate or rock wool to be disposed of |
KR910009276A (en) * | 1989-11-07 | 1991-06-28 | 손성배 | Extraction Method of Harpagoside-Containing Extract |
JPH06341058A (en) * | 1993-05-31 | 1994-12-13 | Kondo Toshio | Method for processing protein fiber product |
US5519925A (en) * | 1994-01-21 | 1996-05-28 | Burlington Industries, Inc. | Denim fabric made from denim waste |
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