KR100367114B1 - Biaxially oriented polypropylene film for fluorescence sensor and process for preparation thereof - Google Patents
Biaxially oriented polypropylene film for fluorescence sensor and process for preparation thereof Download PDFInfo
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- KR100367114B1 KR100367114B1 KR10-2000-0045347A KR20000045347A KR100367114B1 KR 100367114 B1 KR100367114 B1 KR 100367114B1 KR 20000045347 A KR20000045347 A KR 20000045347A KR 100367114 B1 KR100367114 B1 KR 100367114B1
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
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- B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
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- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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Abstract
본 발명은 형광센서 감지용 공압출 이축연신 폴리프로필렌 필름 및 그 제조방법에 관한 것으로, 본 발명 형광감지용 필름은 첨가제로써 형광제(fluorescent)를 폴리프로필렌(polypropylene) 필름의 표층 또는 기재층에 5 ∼ 10,000ppm이 함유되도록 폴리프로필렌 수지에 첨가하여 공압출한 다음 냉각시트화한 후 이를 연신 및 열고정함을 특징으로 하여 제조되어 정확히 자동적으로 형광감지되는 뛰어난 효과가 있다.The present invention relates to a co-extruded biaxially stretched polypropylene film for detecting a fluorescence sensor and a method for manufacturing the same. The film for fluorescence detection according to the present invention has a fluorescent agent as an additive to a surface layer or a base layer of a polypropylene film. Co-extruded by addition to the polypropylene resin to contain ~ 10,000ppm, and then characterized in that the cooling sheet is drawn and stretched and heat-fixed, so that there is an excellent effect of accurate automatic fluorescence detection.
Description
본 발명은 형광센서 감지용 공압출 이축연신 폴리프로필렌 필름 및 그 제조방법에 관한 것으로, 더욱 상세하게는 형광제가 첨가된 폴리프로필렌 수지를 용융·혼련하여 압출하고 냉각 시트화한 다음 이축연신한 형광센서 감지용 공압출 이축연신 폴리프로필렌 필름과 그 제조방법에 관한 것이다.The present invention relates to a coextruded biaxially stretched polypropylene film for detecting a fluorescence sensor and a method of manufacturing the same, and more particularly, to a polypropylene resin to which a fluorescent agent is added is melted and kneaded, extruded and cooled to form a biaxially stretched fluorescent sensor. The present invention relates to a co-extrusion biaxially stretched polypropylene film for sensing and a method of manufacturing the same.
종래의 형광센서 감지용 필름은 폴리프로필렌계 필름에 단지 형광센서 감지용 화학물질을 인쇄하거나 또는 형광제를 코팅하여 형광센서 감지용으로 사용함으로써 형광센서 감지효과가 떨어지고, 또 상기 후가공에 따른 작업의 이중성으로 인하여 비용상승이 클 뿐만 아니라 재활용이 곤란하였다.Conventional fluorescent sensor detection film is a polypropylene-based film by printing only a chemical material for the detection of the fluorescent sensor or by coating a fluorescent agent used for the detection of the fluorescence sensor is less effective in detecting the fluorescence sensor, and the work of the post-processing Due to the duality, not only cost increase but also recycling is difficult.
또 다른 종래의 방법으로 칼라센서를 이용할 경우 필름 또는 내용물의 색상과 바탕이 되는 면의 색상이 유사할 경우에는 감지가 되지 않는 문제가 흔히 발생되었다.In another conventional method, when the color sensor is used, the color is often not detected when the color of the film or the contents and the surface of the base are similar.
본 발명자들은 상기와 같은 종래의 문제점들을 감안하여 형광제를 폴리프로필렌 수지에 직접 첨가하여 공압출한 다음 냉각 시트화한 후 종방향 및 횡방향으로 이축연신하여 폴리프로필렌 필름을 제조하였으며 이를 제품의 라벨 및 포장지로 사용하여 형광센서의 감지에 의한 제품의 선별이 정확하게 자동적으로 이루어지도록 함으로써 본 발명을 완성하였다.The present inventors prepared a polypropylene film by co-extracting a fluorescent agent directly to a polypropylene resin in view of the above-described conventional problems and co-extrusion and then biaxially stretching in the longitudinal and transverse directions to produce a polypropylene film. And it was used as a wrapping paper to complete the present invention by accurately and automatically selection of the product by the detection of the fluorescent sensor.
따라서, 본 발명의 목적은 형광센서 감지용 첨가제를 폴리프로필렌 수지에 첨가하고 공압출한 후 냉각 시트화한 다음 이축연신하여 제조한 형광센서 감지용 공압출 이축연신 폴리프로필렌 필름을 제공함에 있다.Accordingly, an object of the present invention is to provide a co-extruded biaxially stretched polypropylene film for detecting a fluorescence sensor prepared by adding an additive for detecting a fluorescence sensor to a polypropylene resin, coextruding and cooling sheeting, and then biaxially stretching.
본 발명의 다른 목적은 상기 형광센서 감지용 공압출 이축연신 폴리프로필렌 필름의 제조방법을 제공함에 있다.Another object of the present invention is to provide a method for producing the coextruded biaxially stretched polypropylene film for detecting the fluorescence sensor.
본 발명의 상기 목적은 형광센서에 의하여 감지 가능한 첨가제로 벤조자졸(benzoxazole)계, 트리오페네디일(triophenediyl)계, 벤조자조일 (benzoxazolyl)계 를 폴리프로필렌 필름의 표층 또는 기재층에 5 ∼ 10,000ppm이 되도록 폴리프로필렌 수지에 첨가하여 압출기(壓出機)에서 용융·혼련하고 T-다이를 통해 공압출하여 캐스팅 롤러상에서 시트로 냉각 성형하고 종방향으로 3 ∼ 6배 연신한 다음 횡방향으로 7 ∼ 10배 다시 연신하여 연신된 필름의 후가공성 향상을 위해 상기 필름에 코로나 처리를 수행함으로써 달성하였다.The object of the present invention is a benzoxazole-based, triophenediyl-based, benzoxazolyl-based 5 ~ 10,000ppm as the additive detectable by the fluorescence sensor on the surface layer or base layer of the polypropylene film To the polypropylene resin, melted and kneaded in an extruder, co-extruded through a T-die, cooled to a sheet on a casting roller, stretched 3 to 6 times in the longitudinal direction, and then 7 to 7 in the transverse direction. Stretched 10 times again to achieve corona treatment on the film for improved post-processing of the stretched film.
이하, 본 발명의 구성을 상세히 설명한다.Hereinafter, the configuration of the present invention will be described in detail.
도 1은 본 발명 형광센서 감지용 공압출 이축연신 폴리프로필렌 필름의 바람직한 실시예를 보인 제조공정을 나타낸다.Figure 1 shows a manufacturing process showing a preferred embodiment of the co-extruded biaxially stretched polypropylene film for detecting the fluorescent sensor of the present invention.
도 2는 도 1의 공정에 의해 제조된 본 발명 형광센서 감지용 공압출 이축연신 폴리프로필렌 필름의 단면도를 나타낸다.Figure 2 shows a cross-sectional view of the co-extruded biaxially stretched polypropylene film for detecting the fluorescence sensor of the present invention produced by the process of FIG.
본 발명은 형광센서 감지가 가능한 첨가제 2,5-티오펜딜비스(5-tert-부틸-1,3-벤즈옥사졸) 또는 2,2'-(1,2-에텐딜)비스(4,1-페닐렌)비스벤즈옥사졸 형광제 0.001 ∼ 50중량%, 바람직하게는 1∼5중량%와 멜트인덱스(melt index)가 3 ∼ 30g/10min, 바람직하게는 20g/10min이고 녹는점(melt point)이 120∼165℃, 바람직하게는 160℃인 파우더상의 폴리프로필렌계 수지 99.999 ∼ 50중량%, 바람직하게는 95∼99중량%를 섞어서 마스터칩(master chip)을 제립하고 이 마스터 칩 0.1 ∼ 10중량%와 폴리프로필렌 수지 90 ∼ 99.9중량%를 혼합하여 표층(A), (B)를 그리고 기재층 (C)를 압출한다. 이때 첨가제는 표층 (A), (B) 및 기재층 (C) 모두 첨가할 수 있으나 표층 (A) 또는 (B) 어느 한쪽면에만 첨가하는 것이 바람직하다. 한편, 표층 (A) 또는 (B)에 열접착이 가능한 에틸렌-프로필렌 코폴리머(ethylene-propylene copolymer), 프로필렌-부텐 코폴리머(propylene-butene copolymer) 및 에틸렌-프로필렌-부텐 터폴리머(ethylene-propylene-butene terpolymer)를 혼합하여 표층 (A) 또는 (A)층과 (B)층 모두를 압출하여 열접착이 가능한 필름으로 제작할 수 있다. 그리고 본 발명은 압출기를 통해 용융·혼련하여 T-다이를 통해 공압출한 후 캐스팅롤러 (casting roller)에서 냉각 시트화하고 이어서, 종방향 및 횡방향으로 이축연신한 다음 코로나 처리 장치에서 필름표면을 극성화시킨 다음 표층/기재층/표층으로 이루어진 본 발명 형광센서 감지용 공압출 이축연신 폴리프로필렌 필름을 제조하는 단계; 마스터 칩의 첨가제의 양을 달리하여 상기와 동일한 방법으로 본 발명 형광센서 감지용 공압출 이축연신 폴리프로필렌 필름을 제조하는 단계; 상기 제조한 본 발명 형광센서 감지용 공압출 이축연신 폴리프로필렌 필름의 열접착성, 표면외관 및 형광센서 감지여부를 조사하는 단계; 및 상기와 동일한 방법으로 형광센서 감지용 공압출 이축연신 폴리프로필렌 필름을 제조하되 인플레이션(inflation)방법으로 필름을 연신하여 형광센서 감지용 폴리프로필렌 필름을 제조하는 단계로 구성된다.The present invention is an additive 2,5-thiophendilbis (5-tert-butyl-1,3-benzoxazole) or 2,2 '-(1,2-ethenyl) bis (4, 1-phenylene) bisbenzoxazole fluorescent agent 0.001 to 50% by weight, preferably 1 to 5% by weight and the melt index is 3 to 30g / 10min, preferably 20g / 10min and the melting point (melt) A master chip is granulated by mixing 99.999 to 50% by weight, preferably 95 to 99% by weight of a powdery polypropylene resin having a point of 120 to 165 ° C, preferably 160 ° C. 10 weight% and 90-99.9 weight% of a polypropylene resin are mixed, and surface layer (A) and (B) are extruded and a base material layer (C) is extruded. At this time, the additive may be added to both the surface layer (A), (B) and the base material layer (C), but is preferably added only to one surface of the surface layer (A) or (B). Meanwhile, ethylene-propylene copolymer, propylene-butene copolymer, and ethylene-propylene butene terpolymer (ethylene-propylene) capable of thermally bonding to the surface layer (A) or (B) -butene terpolymer) can be mixed to extrude the surface layer (A) or both (A) and (B) layers to produce a film that can be thermally bonded. The present invention melts and kneads through an extruder, co-extrudes through a T-die, forms a cooling sheet in a casting roller, and then biaxially stretches in the longitudinal and transverse directions, and then the film surface in the corona treatment apparatus. Preparing a co-extruded biaxially stretched polypropylene film for detecting the fluorescence sensor of the present invention comprising polarization followed by surface layer / substrate layer / surface layer; Preparing a co-extruded biaxially stretched polypropylene film for detecting a fluorescence sensor of the present invention by varying the amount of additives in the master chip; Investigating thermal adhesiveness, surface appearance and fluorescence sensor detection of the coextruded biaxially stretched polypropylene film for detecting the fluorescence sensor of the present invention prepared above; And producing a coextruded biaxially stretched polypropylene film for sensing a fluorescent sensor in the same manner as described above, but stretching the film by an inflation method to produce a polypropylene film for sensing a fluorescent sensor.
본 발명에서 상기 마스터칩에 첨가되는 형광센서 감지가 가능한 형광제의 첨가양은 0.001 ∼ 50중량%으로 하고 이에 대하여 멜트인덱스(melt index)가 3∼30g/10min이고, 녹는점(melting point)이 120∼165℃인 파우더 상태의 폴리프로필렌계수지 99.999 ∼ 50중량%비율로 섞어서 마스터 칩을 제립하고 이렇게 제립된 마스터 칩 0.1 ∼ 10중량%를 칩상태의 폴리프로필렌 수지와 혼합하여 표층(A)용, 기재층(C)용 및 표층(B)용 압출기에 투입하여 용융, 혼련한후 T-다이를 통해 공압출시킨 다음 캐스팅롤러를 통과시켜 냉각시트화하고 이어서 종방향 연신을 수행한 다음 횡방향 연신을 수행한 후 코로나 처리를 하여 극성화된 필름을 성형하였다. 이때 마스터칩은 표층(A), 표층(B)과 기재층(C)의 어느 한층 또는 3층에 모두 첨가할 수 있으나 표층(A) 또는 표층(B)중 어느 한층에 첨가하는 것이 가장 바람직하다. 또한 표층의 한층 또는 두층 모두를 열접착이 가능한 에틸렌-프로필렌 코폴리머, 에틸렌-프로필렌-부텐 터폴리머 또는 프로필렌-부텐 코폴리머와 혼합하여 열접착이 가능한 필름으로 적용이 가능하다.In the present invention, the amount of the fluorescent agent capable of detecting the fluorescence sensor added to the master chip is 0.001 to 50% by weight, and the melt index is 3 to 30 g / 10 min, and the melting point is 120. Powdered polypropylene resin 99 ~ 999 ~ 50% by weight ratio of ~ 165 ℃ granulated master chip and 0.1 ~ 10% by weight of the thus prepared master chip is mixed with the polypropylene resin of the chip state for the surface layer (A), It is fed into the extruders for the base layer (C) and the surface layer (B), melted and kneaded, co-extruded through a T-die, passed through a casting roller to form a cooling sheet, followed by longitudinal stretching, and then transverse stretching. After the corona treatment was performed to form a polarized film. At this time, the master chip may be added to any one or three of the surface layer (A), the surface layer (B) and the substrate layer (C), but is most preferably added to any one of the surface layer (A) or the surface layer (B). . In addition, one or both layers of the surface layer may be applied as a film that can be thermally bonded by mixing with an ethylene-propylene copolymer, an ethylene-propylene-butene terpolymer or a propylene-butene copolymer.
본 발명에서 표층의 어느 하나 또는 표층과 기재층에 첨가되는 형광센서에 감지가능한 첨가제인 형광제의 총량은 형광센서 감지정도를 고려하여 5 ∼ 10,000ppm이 바람직하다. 본 발명에서 표층의 어느 하나 또는 표층과 기재층에 첨가되는 형광센서에 감지가능한 첨가제인 형광제는 2,5-티오펜딜비스(5-tert-부틸-1,3-벤즈옥사졸) 또는 2,2'-(1,2-에텐딜)비스(4,1-페닐렌)비스벤즈옥사졸을 사용하는 것이 바람직하며 2,5-티오펜딜비스(5-tert-부틸-1,3-벤즈옥사졸)은 한국시바-가이기(주)에서 상품명 우비텍스 오비(UVITEX OB)로 판매되고 있는 형광제이고 2,2'-(1,2-에텐딜)비스(4,1-페닐렌)비스벤즈옥사졸은 독일 이스트만(EASTMAN)에서 상품명 이스토브라이트(EASTOBRITE)로 판매되고 있는 형광제이다.In the present invention, the total amount of the fluorescent agent which is a detectable additive to the fluorescent sensor added to any one of the surface layer or the surface layer and the base layer is preferably 5 to 10,000 ppm in consideration of the detection degree of the fluorescent sensor. In the present invention, a fluorescent agent which is a detectable additive to any one of the surface layer or the fluorescent sensor added to the surface layer and the base layer is 2,5-thiophendilbis (5-tert-butyl-1,3-benzoxazole) or 2 Preference is given to using, 2 '-(1,2-ethenyl) bis (4,1-phenylene) bisbenzoxazole, with 2,5-thiophendilbis (5-tert-butyl-1,3- Benzoxazole) is a fluorescent agent sold under the trade name UVITEX OB by Shiba-Geigy Co., Ltd. and is a 2,2 '-(1,2-ethenedyl) bis (4,1-phenylene). Bisbenzoxazole is a fluorescent agent sold under the trade name EASTOBRITE from EASTMAN, Germany.
본 발명의 형광센서 감지용 공압출 이축연신 폴리프로필렌 필름은 포장지 또는 라벨로 제조하여 음료팩의 빨대에 적용하거나 각종 상자, 병 등의 라벨로 적용하여 빨대가 부착되지 않는 음료팩이나 라벨이 부착되지 않은 각종 상자, 병등이 형광센서의 감지여부에 따라 정확하게 자동 분리될 수 있도록 하는 특징이 있다.The coextruded biaxially stretched polypropylene film for detecting the fluorescence sensor of the present invention is manufactured by wrapping paper or label and applied to a straw of a beverage pack, or applied to a label of various boxes, bottles, etc. Various boxes, bottles, etc., are characterized in that they can be automatically separated according to whether the fluorescent sensor is detected.
이하, 본 발명의 구체적이 방법을 실시예를 들어 상세히 설명하고자 하지만 본 발명의 권리범위는 이들 실시예에만 한정되는 것은 아니다.Hereinafter, the specific method of the present invention will be described in detail with reference to Examples, but the scope of the present invention is not limited only to these Examples.
실시예 1: 본 발명 형광센서 감지용 이축연신 폴리프로필렌 필름제조Example 1: Biaxially oriented polypropylene film production for detecting fluorescence sensor of the present invention
본 실시예에서는 형광센서 감지가 가능한 첨가제 2,5-티오펜딜비스(5-tert-부틸-1,3-벤즈옥사졸) 1중량%와 멜트인덱스가 20g/10min이고, 녹는점이 160℃인 파우더 상태의 폴리프로필렌 수지 99중량%를 믹서로 혼합하여 형광제 함량이 1%인 마스터칩을 제립하였다. 도 1에 나타낸 바와 같이 제립된 마스터 칩 1중량%와 칩상태의 폴리프로필렌계 수지 99중량%를 혼합하여 표층(A)는 압출기(2)에서 압출하고 표층(B)는 에틸렌-프로필렌코폴리머(융점 145℃) 또는 에틸렌-프로필렌-부텐 터폴리머(융점 135℃)와 프로필렌-부텐 코폴리머(융점 110℃)를 혼합하여 표층(B)는 압출기(2')에서 압출하고 기재층(C)은 프로필렌 호모폴리머(융점 163℃)를 압출기(1)를 통해 압출한 후 T-다이(3)에서 공압출하여 30℃의 캐스팅롤러(4)에서 냉각 시트화하고 상기 시트를 종방향 연신기(5)에서 120℃를 유지하면서 4배로 연신한 후 다시 텐터식 횡방향 연신기(6)에서 150℃를 유지하면서 9배로 연신한 다음 코로나 방전기(7)에서 40dyne/cm 코로나 방전 처리를 수행하여 필름표면을 극성화하였다. 극성화된 본 발명 필름을 롤상태로 감아 필요에 따라 다양한 크기로 재단(slitting)할 수 있도록 하였다. 본 발명 방법에 의하여 도 2에 나타낸 바와 같은 표층(A)/기재층(C)/표층(B)으로 구성된 두께가 1.5㎛/17.0㎛/1.5㎛인 열접착이 가능한 형광센서 감지용 공압출 이축연신 폴리프로필렌 필름을 제조하였다.In this embodiment, 1 wt% of the additive 2,5-thiophendilbis (5-tert-butyl-1,3-benzoxazole) capable of detecting a fluorescence sensor and a melt index are 20 g / 10 min, and the melting point is 160 ° C. 99 wt% of the polypropylene resin in powder form was mixed with a mixer to prepare a master chip having a fluorescent content of 1%. As shown in FIG. 1, 1% by weight of the granulated master chip and 99% by weight of the polypropylene resin in a chip state are mixed, and the surface layer A is extruded from the extruder 2, and the surface layer B is an ethylene-propylene copolymer ( Melting point 145 ° C.) or an ethylene-propylene-butene terpolymer (melting point 135 ° C.) and a propylene-butene copolymer (melting point 110 ° C.) so that the surface layer B is extruded in the extruder 2 'and the substrate layer C is The propylene homopolymer (melting point 163 ° C.) was extruded through an extruder (1) and then coextruded in a T-die (3) to form a cold sheet in a casting roller (4) at 30 ° C., and the sheet was subjected to a longitudinal drawing machine (5). 4 times while maintaining 120 ° C.) and then 9 times while maintaining 150 ° C. in a tenter-type transverse stretching machine 6, and then performing 40 dyne / cm corona discharge treatment on a corona discharger 7 to perform a film surface. Polarized. The polarized film of the present invention was wound in a roll so that it could be cut into various sizes as needed. Co-extrusion biaxial for detecting a heat-sensitive adhesive having a thickness of 1.5 μm / 17.0 μm / 1.5 μm, which is composed of the surface layer (A) / substrate layer (C) / surface layer (B) as shown in FIG. A stretched polypropylene film was prepared.
실시예 2: 마스터칩 2중량%를 함유한 본 발명 형광센서 감지용 이축연신 폴리프로필렌 필름제조Example 2: Manufacture of biaxially stretched polypropylene film for detecting fluorescence sensor of the present invention containing 2% by weight of master chip
상기 실시예 1과 동일한 방법으로 본 발명 형광센서 감지용 이축연신 폴리프로필렌 필름을 제조하되, 상기 실시예 1의 마스터 칩을 기능성을 제고하기 위해 2중량%와 칩상태의 폴리프로필렌계 수지 98중량%를 혼합하여 본 발명 형광센서 감지용 공압출 이축연신 폴리프로필렌 필름을 제조하였다.In the same manner as in Example 1 to prepare a biaxially stretched polypropylene film for detecting the present invention fluorescence sensor, in order to improve the functionality of the master chip of Example 1 2% by weight and 98% by weight of polypropylene resin in the chip state To prepare a co-extruded biaxially stretched polypropylene film for detecting the fluorescence sensor of the present invention.
실시예 3: 마스터칩 3중량%를 함유한 본 발명 형광센서 감지용 이축연신 폴리프로필렌 필름제조Example 3: Manufacture of biaxially stretched polypropylene film for detecting fluorescence sensor of the present invention containing 3% by weight of master chip
상기 실시예 1과 동일한 방법으로 본 발명 형광센서 감지용 이축연신 폴리프로필렌 필름을 제조하되 상기 실시예 1의 마스터 칩을 기능성을 제고하기 위해 3중량%와 칩상태의 폴리프로필렌계 수지 97중량%를 혼합하여 본 발명 형광센서 감지용 공압출 이축연신 폴리프로필렌 필름을 제조하였다.In the same manner as in Example 1 to prepare a biaxially stretched polypropylene film for detecting a fluorescent sensor of the present invention in order to improve the functionality of the master chip of Example 1 3% by weight and 97% by weight of the polypropylene resin of the chip state By mixing, a coextruded biaxially stretched polypropylene film for detecting the fluorescence sensor of the present invention was prepared.
실험예 1: 본 발명 형광센서 감지용 이축연신 폴리프로필렌 필름의 물리적 특성Experimental Example 1: Physical Properties of Biaxially Stretched Polypropylene Film for Detection of Fluorescence Sensor of the Present Invention
상기 실시예 1 ∼ 3에서 제조한 본 발명 이축연신 폴리프로필렌 필름의 열접착성과 표면외관 및 형광센서 감지여부를 각각 조사하였다. 조사결과는, 표 1에 나타낸 바와 같이 모두 양호 또는 우수한 수준임을 알 수 있었다.The thermal adhesiveness and surface appearance of the biaxially stretched polypropylene film of the present invention prepared in Examples 1 to 3 and the detection of the fluorescence sensor were investigated, respectively. As a result of the investigation, it was found that all of them were in a good or excellent level.
실시예 4: 인플레이션 방법에 의한 본 발명 형광센서 감지용 이축연신 폴리프로필렌 필름 제조Example 4 Preparation of Biaxially Stretched Polypropylene Film for Detection of Fluorescence Sensor of the Present Invention by Inflation Method
본 실시예에서는 실시예 1과 동일한 방법으로 본 발명 이축연신 폴리프로필렌 필름을 제조하되, 링(ring)-다이에서 공압출하여 시트상 필름을 인플레이션 방법에 의해 동시 이축 연신한 후 코로나 방전기에서 40dyne/cm 코로나 방전 처리하고 필름을 롤상태로 감아 다양한 크기로 재단할 수 있도록 하여 표층(A)/기재층(C)/표층(B)으로 구성된 두께가 1.5㎛/17.0㎛/1.5㎛인 열접착이 가능한 형광센서 감지용 공압출 동시이축연신 폴리프로필렌 필름을 제조하였다.In the present embodiment, the biaxially stretched polypropylene film of the present invention is prepared in the same manner as in Example 1, but the coaxial extrusion of the sheet-like film by co-extrusion in a ring die is performed by inflation, followed by 40 dyne / The thermal adhesive with a thickness of 1.5㎛ / 17.0㎛ / 1.5㎛ composed of surface layer (A) / substrate layer (C) / surface layer (B) is processed by cm corona discharge treatment and rolled into a roll to cut the film into various sizes. A coextruded coaxially stretched polypropylene film for detecting possible fluorescence sensors was prepared.
이상, 상기 실시예를 통하여 설명한 바와 같이 형광제(fluorescent)를 폴리프로필렌 필름의 기재층 또는 표층에 5 ∼ 10,000ppm이 함유되도록 폴리프로필렌 수지에 첨가하여 공압출한 다음 냉각시트화한 후 이를 연신 및 열고정함을 특징으로 제조된 형광센서 감지용 공압출 이축연신 폴리프로필렌 필름은 형광센서 감지능이 뛰어난 효과가 있으므로 형광센서 감지에 의한 공장 자동화 산업상 매우 유용한 발명인 것이다.As described above, the fluorescent agent is added to the polypropylene resin so as to contain 5 to 10,000 ppm in the base layer or the surface layer of the polypropylene film, and then coextruded, and then cooled and stretched. The coextruded biaxially stretched polypropylene film for fluorescence sensor detection, which is characterized by heat setting, is a very useful invention in the factory automation industry by fluorescence sensor detection because it has an excellent effect of detecting the fluorescence sensor.
Claims (7)
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| JPH04359942A (en) * | 1991-06-06 | 1992-12-14 | Mitsui Toatsu Chem Inc | Fluorescent-colored polypropylene resin composition |
| JPH04366150A (en) * | 1991-06-12 | 1992-12-18 | Mitsui Toatsu Chem Inc | Fluorescent-colored polypropylene resin composition excellent in light-intercepting properties |
| JPH0543713A (en) * | 1991-08-10 | 1993-02-23 | Achilles Corp | Fluorescent sheet-like article |
| WO1995003604A1 (en) * | 1993-07-23 | 1995-02-02 | Nonvolatile Electronics, Incorporated | Magnetic structure with stratified layers |
| KR19990038725A (en) * | 1997-11-06 | 1999-06-05 | 이정국 | Resin Composition for Biaxially Oriented Polypropylene Film |
| KR100211855B1 (en) * | 1997-01-14 | 1999-08-02 | 허동수 | Polyprophylene copolymer resin composites for moulding non-carbon dioxide bottles and the process of preparation thereof |
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2000
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04359942A (en) * | 1991-06-06 | 1992-12-14 | Mitsui Toatsu Chem Inc | Fluorescent-colored polypropylene resin composition |
| JPH04366150A (en) * | 1991-06-12 | 1992-12-18 | Mitsui Toatsu Chem Inc | Fluorescent-colored polypropylene resin composition excellent in light-intercepting properties |
| JPH0543713A (en) * | 1991-08-10 | 1993-02-23 | Achilles Corp | Fluorescent sheet-like article |
| WO1995003604A1 (en) * | 1993-07-23 | 1995-02-02 | Nonvolatile Electronics, Incorporated | Magnetic structure with stratified layers |
| KR100211855B1 (en) * | 1997-01-14 | 1999-08-02 | 허동수 | Polyprophylene copolymer resin composites for moulding non-carbon dioxide bottles and the process of preparation thereof |
| KR19990038725A (en) * | 1997-11-06 | 1999-06-05 | 이정국 | Resin Composition for Biaxially Oriented Polypropylene Film |
| KR100298878B1 (en) * | 1997-11-06 | 2001-10-27 | 이정국 | Resin composition for bi-axially oriented polypropylene film |
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