KR970000556A - Polymer film and its manufacturing method - Google Patents

Polymer film and its manufacturing method Download PDF

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Publication number
KR970000556A
KR970000556A KR1019950014935A KR19950014935A KR970000556A KR 970000556 A KR970000556 A KR 970000556A KR 1019950014935 A KR1019950014935 A KR 1019950014935A KR 19950014935 A KR19950014935 A KR 19950014935A KR 970000556 A KR970000556 A KR 970000556A
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South Korea
Prior art keywords
polymer resin
resin layer
polymer
polymer film
weight
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KR1019950014935A
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Korean (ko)
Inventor
김상일
이영진
Original Assignee
안시환
주식회사 에스 · 케이 · 씨
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Application filed by 안시환, 주식회사 에스 · 케이 · 씨 filed Critical 안시환
Priority to KR1019950014935A priority Critical patent/KR970000556A/en
Priority to JP8145746A priority patent/JPH09104091A/en
Publication of KR970000556A publication Critical patent/KR970000556A/en

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Abstract

본 발명은 고분자 필름 및 제조방법에 관한 것으로서, 제1고분자 수지층과, 이것의 적어도 한 면에 형성되어 있는 제2고분자 수지층을 포함하는 고분자 수지 필름에 있어서, 상기 제1고분자 수지층이 평균입경이 0.1~10㎛인 원적외선 고율 방사 세라믹스가 제1고분자 수지에 대하여 0.1~15중량%로 포함되어 있는 폴리에스테르를 함유하고 있고, 상기 제2고분자 수지층이 주반복단위로 에틸렌테레프탈레이트와 에틸렌이소프탈레이트를 갖는 공중합 폴리에스테르를 함유하고 있는 것을 특징으로 하는 고분자 필름이 개시되어 있다. 본 발명의 방법으로 제조된 고분자 필름은 히트 실링 및 라미네이트 특성이 우수하고, 생체식품의 신선도 유지 기능이 우수하여 첨단 기능성 식품 용기를 포함한 각종 포장, 산업용 등의 다양한 분야에 적합하다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a polymer film and a manufacturing method, wherein, in a polymer resin film comprising a first polymer resin layer and a second polymer resin layer formed on at least one surface thereof, the first polymer resin layer is averaged. Far-infrared high-rate-radiation ceramics having a particle diameter of 0.1 to 10 µm contain a polyester contained in an amount of 0.1 to 15% by weight relative to the first polymer resin, and the second polymer resin layer is an ethylene terephthalate and ethylene in a main repeating unit. A polymer film is disclosed which contains a copolyester having isophthalate. The polymer film produced by the method of the present invention is excellent in heat sealing and laminating properties, and excellent in maintaining freshness of biological foods, and is suitable for various fields such as various packaging, industrial, etc. including high-tech food containers.

Description

고분자 필름 및 제조방법Polymer film and manufacturing method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (8)

제1고분자 수지층과, 이것의 적어도 한 면에 형성되어 있는 제2고분자 수지층을 포함하는 고분자 수지 필름에 있어서, 상기 제1고분자 수지층이 평균입경이 0.1~10㎛인 원적외선 고율 방사 세라믹스가 제1고분자 수지에 대하여 0.1~15중량%로 포함되어 있는 폴리에스테르를 함유하고 있고, 상기 제2고분자 수지층이 주반복단위로 에틸렌테레프탈레이트와 에틸렌이소프탈레이트를 갖는 공중합 폴리에스테르를 함유하고 있는 것을 특징으로 하는 고분자 필름.In the polymer resin film comprising a first polymer resin layer and a second polymer resin layer formed on at least one surface thereof, the first infrared resin layer has a far-infrared high rate spinning ceramic having an average particle diameter of 0.1 to 10 µm. It contains a polyester contained in 0.1 to 15% by weight relative to the first polymer resin, and the second polymer resin layer contains a copolyester having ethylene terephthalate and ethylene isophthalate as the main repeating unit A polymer film characterized by the above-mentioned. 제1항에 있어서, 상기 제2 고분자 수지층의 공중합풀리에스테르는 주반복단위의 1~30 중량%가 에틸렌이소프탈레이트인 것을 특징으로 하는 고분자 필름.The polymer film according to claim 1, wherein 1 to 30% by weight of the copolymer repeater of the second polymer resin layer is ethylene isophthalate. 제1항에 있어서, 상기 제1 고분자 수지층의 두께가 전체 고분자 필름 두께의 40~95%인 것을 특징으로 하는 고분자 필름.The polymer film according to claim 1, wherein the thickness of the first polymer resin layer is 40 to 95% of the total polymer film thickness. 제1항에 있어서, 상기 제1 고분자 수지층의 폴리에스테르가 주반복단위의 75중량% 이상이 에틸렌테레프탈레이트이고, 극한 점도가 0.60~0.90dl/gr인 것을 특징으로 하는 고분자 필름.The polymer film according to claim 1, wherein the polyester of the first polymer resin layer is ethylene terephthalate at least 75% by weight of the main repeating unit, and the intrinsic viscosity is 0.60 to 0.90 dl / gr. 제1항에 있어서, 상기 원적외선 고율방사 세라믹스가 규산, 산화마그네슘, 산화칼슘, 알루미나 및 이들의 착화합물로 이루어진 군으로 부터 선택된 적어도 하나인 것을 특징으로 하는 고분자 필름.The polymer film of claim 1, wherein the far-infrared high-emissivity ceramics are at least one selected from the group consisting of silicic acid, magnesium oxide, calcium oxide, alumina, and complex compounds thereof. 제1항에 있어서, 상기 제2 고분자 수지층의 공중합 폴리에스테르의 용융 온도가 190~230℃범위인 것을 특징으로 하는 고분자 필름.The polymer film according to claim 1, wherein a melting temperature of the copolyester of the second polymer resin layer is in a range of 190 to 230 ° C. 알루미나, 규산, 산화망간, 산화캄슘 및 이들의 착화합물로 이루어진 군으로부터 선택된 적어도 하나의 원적외선 고율방사 세라믹스의 함량이 0.1~15중량%인 중축합 프리폴리머 폴리에스테르를 형성시킨 후, 질소분위기하에서 고상 중합 반응을 실시하여 제1 고분자 수지를 제조하는 단계 : 에틸레테레프탈레이트와 에틸렌이소프탈레이트를 99 : 1 내지 70 : 30 중량비로 혼합하고 통상의 촉매, 통상의 첨가제를 부가한 뒤 중축합시켜 제2 고분자 수지를 제조하는 단계 : 제1 고분자 수지층의 적어도 한 면에 제2 고분자 수지층이 형성되도록 용융압출하여 미연신 쉬트를 제조하는 단계 : 및 상기 미연신 쉬트를 이축 연신하는 단계를 포함하는 것을 특징으로 하는 고분자 필름의 제조방법.After the formation of a polycondensation prepolymer polyester having a content of at least 0.1 to 15% by weight of at least one far-infrared high-radiation ceramics selected from the group consisting of alumina, silicic acid, manganese oxide, calcium oxide and complexes thereof, a solid-phase polymerization reaction is carried out under a nitrogen atmosphere. Step 1 to prepare a first polymer resin: Ethylene terephthalate and ethylene isophthalate is mixed in a weight ratio of 99: 1 to 70: 30, and added to the conventional catalyst, the usual additives and then polycondensed to the second polymer resin Step of preparing: Melt-extrusion to form a second polymer resin layer on at least one side of the first polymer resin layer to produce an unstretched sheet: and biaxially stretched the unstretched sheet Method for producing a polymer film. 제7항에 있어서, 상기 이축연신이 종방향으로 2내지 5배, 횡방향으로 2내지 5배 연신인 것을 특징으로 하는 고분자 필름의 제조방법.The method according to claim 7, wherein the biaxial stretching is 2 to 5 times in the longitudinal direction and 2 to 5 times in the transverse direction. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950014935A 1995-06-07 1995-06-07 Polymer film and its manufacturing method KR970000556A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019950014935A KR970000556A (en) 1995-06-07 1995-06-07 Polymer film and its manufacturing method
JP8145746A JPH09104091A (en) 1995-06-07 1996-06-07 Polyester film of two-layer structure and manufacture of thesame

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KR1019950014935A KR970000556A (en) 1995-06-07 1995-06-07 Polymer film and its manufacturing method

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KR970000556A true KR970000556A (en) 1997-01-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030010242A (en) * 2001-07-26 2003-02-05 주식회사 새 한 Method for fabricating a polyester sheet excelling in forming and radiating far-infrared rays

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030010242A (en) * 2001-07-26 2003-02-05 주식회사 새 한 Method for fabricating a polyester sheet excelling in forming and radiating far-infrared rays

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