KR20140063626A - 다층 장벽 필름, 이 필름을 포함하여 구성되는 포장 라미네이트, 이 포장 라미네이트로부터 형성된 포장 용기 및, 필름의 생산을 위한 방법 - Google Patents
다층 장벽 필름, 이 필름을 포함하여 구성되는 포장 라미네이트, 이 포장 라미네이트로부터 형성된 포장 용기 및, 필름의 생산을 위한 방법 Download PDFInfo
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Abstract
Description
| 배향되지 않은 배향되지 않은 배향된 배향에 20마이크론 0.6마이크론 필름 0.6마이크론 기인한 필름 ** 에서 계산 필름 상에서 개선 팩터 *** 측정* |
|||||
| 에틸렌% *** | 등급 | OTR | OTR | OTR | 비율 |
| 48 | G156B 비교예 1 |
3.2 | 110 | 110 | 1.0 |
| 32 | F171B 예 1a |
0.4 | 14 | 4.0 | 3.5 |
| 32 | F171B 예 1b |
0.4 | 14 | 2.39 | 5.9 |
| 27 | F171B 예 2 |
0.2 | 7 | 0.6 | 12.0 |
| 27 | F171B 예 3 |
0.2 | 7 | 0.7 | 10 |
|
|
CF1 19um* |
CF 18um** |
예 1a | 예 1b | 예 2 | 예 3 | |
| BoPP- PVOH |
BoPP- EVOH |
BoPP- EVOH32- |
BoPP- EVOH32- |
BoPP- EVOH27- |
BoPP- EVOH27- |
||
| 총 필름 두께(um) | 평균 TD | 19.6 | 18.4 | 11.6 | 12 | 11.9 | 12 |
| E 모듈로 (MPa) |
평균 MD 평균 TD |
2306 4496 |
2547 4713 |
2616 3041 |
2720 3032 |
2720 3032 |
2404 2775 |
| 파괴 강도(MPa) | 평균 MD 평균 TD |
147 269 |
147 217 |
192 239 |
187 232 |
187 232 |
174 232 |
| 파괴 신장(%) | 평균 MD 평균 TD |
161 41 |
198 41 |
73 55 |
69 53 |
69 53 |
83 63 |
| WVTR(g/m2*day) | 38℃/90% RH | 6.5±0.7 | ND** | 13.7±2.8 | ND** | 10.2±1.9 | ND** |
| OTR(cm3/(m2.1atm.day) | RH=65% RH=90%/90% |
5.5±0.13 >1000 |
68.7±11.13 257.0±14.1 |
4.0±0.8 9.4±0.0 |
2.39±0.1* 20.8±14 |
0.6±0.1 20.5±0.9 |
0.5±0.1* 20.5±0.9 |
| 코팅 타입 | OTR 패키지(cc/package*0.21atm*24h)(Tetra Brik Asepitic 표준 1리터 체적) |
|
| 예 8 | 금속화 | 0.0143 |
| 예 9 | 금속화 | 0.0123 |
| 예 10 | DLC | 0.0207 |
| 예 11 | DLC | 0.018 |
| 비교 예 5 | 금속화 | 0.049 |
| 비교 예 6 | DLC | 0.061 |
도 1a는 본 발명에 따른 바람직한 2축으로 배향된, 장벽 폴리머 필름의 단면도이고,
도 1b는 본 발명에 따른 증기 증착 코팅된 장벽 폴리머 필름의 단면도이며,
도 2는 도 1b와 연관해서 개시된 본 발명에 따른 높은-표면 에너지 장벽 폴리머 필름을 포함하는, 본 발명에 따른 라미네이트된 포장 재료의 단면도이고,
도 3은 본 발명의 장벽 필름의 동시의 연신을 위한 플랜트의 개략적인 도면이며,
도 4는 도 1b에서 생산된 폴리머 기재 필름의 금속 또는 금속 산화물 코팅을 위한 플랜트의 개략적인 도면이고,
도 5a는 본 발명에 따른 포장 라미네이트로부터 생산된 일례의 포장 용기를 나타낸 도면이며,
도 5b는 본 발명에 따른 포장 라미네이트로부터 생산된 제2예의 포장 용기를 나타낸 도면이고,
도 6은 연속적인 형성, 충전 및 밀봉 프로세스로, 이러한 포장 용기가 포장 라미네이트로부터 제작되는 원리를 나타내는 도면이다.
11 - 베이스 또는 코어 층,
12 - 타이 층,
13 - EVOH 장벽 층,
15 - 라미네이션 층,
20 - 포장 라미네이트,
21 - 장벽 필름,
22- 페이퍼보드
24 - 가장 내측의 층,
50 - 포장 용기.
Claims (30)
- 이축으로 배향된 다층 폴리머 장벽 필름으로서,
가스 장벽 성질을 갖고,
폴리올레핀 코어 층 및 코어 층의 적어도 한 측면 상의 에틸렌 비닐 알코올(EVOH)의 적어도 하나의 장벽 표면 층을 포함하여 구성되고,
EVOH의 장벽 층은 15㎛ 두께 미만이고, 36mole-% 또는 미만의 에틸렌 함량을 가지며; 필름은 10cm3/m2/1day/1atm, 24h, 23℃, 50% RH보다 낮은 산소 투과(OTR)를 갖는 것을 특징으로 하는 2축으로 배향된 폴리머 장벽 필름. - 제1항에 있어서,
5cm3/m2/1day/1atm, 24h, 23℃, 50% RH보다 낮은 산소 투과(OTR)를 갖는 것을 특징으로 하는 2축으로 배향된 폴리머 장벽 필름. - 제1항에 있어서,
1cm3/m2/1day/1atm, 24h, 23℃, 50% RH보다 낮은 산소 투과(OTR)를 갖는 것을 특징으로 하는 2축으로 배향된 폴리머 장벽 필름. - 제1항에 있어서,
높은 습도에서 25cm3/m2/1day/1atm, 24h, 23℃, 90% RH보다 낮은 산소 투과(OTR)를 갖는 것을 특징으로 하는 2축으로 배향된 폴리머 장벽 필름. - 제1항에 있어서,
필름은 축 방향(머신 방향, MD)으로 4보다 높은 연신율로 그리고, 횡단 방향(TD)으로 4보다 높은 연실율로 배향되는 것을 특징으로 하는 2축으로 배향된 폴리머 장벽 필름. - 제1항 내지 제5항 중 어느 한 항에 있어서,
코어 층은, 0.930보다 높은 밀도를 갖는 프로필렌-에틸렌-부틸렌 터-폴리머 및 폴리에틸렌 호모- 및 코폴리머를 포함하는, 다른 알파-올레핀을 갖는 폴리프로필렌 호모폴리머, 프로필렌-에틸렌 코폴리머, 프로필렌 코폴리머로 이루어지는 그룹으로부터 선택된 2축으로 배향된 폴리올레핀 및 2개 이상의 상기 폴리올레핀의 블렌드를 포함하여 구성되는 것을 특징으로 하는 2축으로 배향된 폴리머 장벽 필름. - 상기 항 중 어느 한 항에 있어서,
EVOH 층의 두께가 0.4 내지 1.0㎛, 더 바람직하게는, 0.5 내지 0.7㎛인 것을 특징으로 하는 2축으로 배향된 폴리머 장벽 필름. - 상기 항 중 어느 한 항에 있어서,
EVOH 외부의 장벽 층의 에틸렌 함량은 32mole-% 또는 미만, 바람직하게는 27mole-% 또는 미만인 것을 특징으로 하는 2축으로 배향된 폴리머 장벽 필름. - 상기 항 중 어느 한 항에 있어서,
필름은, 코어 층과 EVOH 장벽 표면 층 사이에 개질된 폴리올레핀의 2축으로 배향된 타이 층을 더 포함하여 구성되는 것을 특징으로 하는 2축으로 배향된 폴리머 장벽 필름. - 상기 항 중 어느 한 항에 있어서,
머신 방향, MD로 5 내지 8의 비율로 그리고, 횡단 방향, TD로 5 내지 8의 비율로 배향되는 것을 특징으로 하는 2축으로 배향된 폴리머 장벽 필름. - 제9항에 있어서,
타이 층이 말레 무수물 그래프트된 폴리프로필렌 또는 폴리에틸렌, 개질된 에틸렌 비닐 아세테이트 폴리머 또는 이들의 블렌드로부터 선택된 것을 특징으로 하는 2축으로 배향된 폴리머 장벽 필름. - 상기 항 중 어느 한 항에 있어서,
필름은 코어 층의 각각의 측면 상에 EVOH의 적어도 하나의 장벽 표면 층을 갖는 것을 특징으로 하는 2축으로 배향된 폴리머 장벽 필름. - 제1항 내지 제11항 중 어느 한 항에 있어서,
필름은 코어 층의 하나의 측면 상에만 EVOH의 하나의 장벽 표면 층을 갖는 것을 특징으로 하는 2축으로 배향된 폴리머 장벽 필름. - 코팅된 2축으로 배향된 필름으로서,
EVOH의 장벽 표면 층 상에 증착 코팅을 갖는 상기 항 중 어느 한 항에 따른 2축으로 배향된 폴리머 장벽 필름을 포함하여 구성되고,
상기 코팅된 2축으로 배향된 필름이 5-30㎛, 7-20㎛, 8-15㎛의 두께를 갖고, 산소 투과(OTR)가 0.1보다 낮은, 0.09 보다 낮은, 0.05cm3/m2/1day/1atm, 24h, 23℃, 50% RH보다 낮은 것을 특징으로 하는 코팅된 2축으로 배향된 폴리머 장벽 필름. - 제14항에 있어서,
상기 증착 코팅이 물리적인 증기 증착(PVD) 코팅, 플라즈마 강화된 CVD 코팅과 같은 화학적인 증기 증착(CVD) 코팅으로 이루어지는 그룹으로부터 선택되는 것을 특징으로 하는 코팅된 2축으로 배향된 폴리머 장벽 필름. - 제14항 또는 제15항에 있어서,
상기 증착 코팅이 금속화, 실리콘 산화물 코팅 또는 아몰퍼스 카본 코팅(DLC)인 것을 특징으로 하는 코팅된 2축으로 배향된 폴리머 장벽 필름. - 라미네이트된 포장 재료로서,
하나의 측면 상의 외부 가열 밀봉가능한 폴리올레핀 층과, 외부 가열 밀봉가능한 폴리올레핀 층에 대향하는 측면 상의 청구항 제1항 내지 제13항 중 어느 한 항에 따른 2축으로 배향된 폴리머 장벽 필름 또는 청구항 제14항 내지 제16항 중 어느 한 항에 따른 코팅된 2축으로 배향된 폴리머 장벽 필름을 갖는 페이퍼 또는 페이퍼보드의 벌크 층을 포함하여 구성되고,
상기 장벽 필름이 벌크 층의 대향하는 측면 상에 가열 밀봉가능한 폴리올레핀 층을 갖는 것을 특징으로 하는 라미네이트된 포장 재료. - 제17항에 있어서,
페이퍼 또는 페이퍼보드의 벌크 층과 장벽 필름 사이에 접착성 층을 갖는 것을 특징으로 하는 라미네이트된 포장 재료. - 포장 용기로서,
청구항 제17항 또는 제18항에 따른 라미네이트된 포장 재료를 형태 접기(form folding)함으로써 형성되는 것을 특징으로 하는 포장 용기. - 제19항에 있어서,
포장 라미네이트가, 하나의 측면 상의 외부 가열 밀봉가능한 폴리올레핀 층과, 외부 가열 밀봉가능한 폴리올레핀 층에 대향하는 측면 상에 2축으로 배향된 폴리머 장벽 필름 또는 코팅된 2축으로 배향된 폴리머 장벽 필름을 갖는 페이퍼 또는 페이퍼보드의 벌크 층을 포함하여 구성되고,
상기 장벽 필름이 벌크 층의 대향하는 측면 상에, 포장 용기의 내측의 층을 형성하는, 가열 밀봉가능한 폴리올레핀 층을 갖는 것을 특징으로 하는 포장 용기. - 제19항 또는 제20항에 있어서,
용기에 대한 산소 투과율이 0.1cc/package*0.21 atm*24h 이하인, 0.04cc/package*0.21 atm*24h 미만, 0.03cc/package*0.21 atm*24h 미만인 것을 특징으로 하는 포장 용기. - 이축으로 배향된 다층 폴리머 장벽 필름의 제작 방법으로서,
가스 장벽 성질을 갖고,
a) 코어 층의 제1측면 상에 에틸렌 비닐 알코올(EVOH)의 표면 장벽 층과 함께 폴리올레핀 코어 층을 공-압출하는 단계로서, 표면 장벽 층이 최대 36mole-%의 에틸렌 함량을 갖는, 단계와,
b) 획득된 공-압출된 필름을, 동시에, 2축으로 배향하는 한편, 최소 레벨과 코어 층의 폴리올레핀의 용융 온도 간의 연신 동작 동안 필름의 온도를 유지하고, 최소 레벨이 필름의 코어 층 폴리올레핀 재료에 의존하며, 적어도 105℃인, 단계를 포함하여 구성되는 것을 특징으로 하는 방법. - 제22항에 있어서,
동시에, 2축으로 배향하는 연신율은 축 방향(MD)으로 4보다 높을 뿐만 아니라 횡단 방향(TD)으로 4보다 높은 것을 특징으로 하는 방법. - 제22항 또는 제23항에 있어서,
연신율은 머신 방향(MD)으로 5 내지 8이고, 횡단 방향(TD)으로 5 내지 8인 것을 특징으로 하는 방법. - 제22항 내지 제24항 중 어느 한 항에 있어서,
개질된 폴리올레핀 타이 층이 폴리올레핀 코어 층과 EVOH 장벽 표면 층 사이에서 이와 함께 공압출되는 것을 특징으로 하는 방법. - 제22항 내지 제25항 중 어느 한 항에 있어서,
폴리올레핀 코어 층이, 폴리프로필렌 호모- 또는 코폴리머를 주로 포함하여 구성되고, 연신 동작 동안 필름의 온도가 135℃로부터 165℃ 이하까지인 것을 특징으로 하는 방법. - 제22항 내지 제25항 중 어느 한 항에 있어서,
폴리올레핀 코어 층이, 0.930보다 높은 밀도를 갖는 호모- 또는 코폴리머를 주로 포함하여 구성되고, 연신 동작 동안 필름의 온도가 105℃로부터 135℃ 이하까지인 것을 특징으로 하는 방법. - 제22항 내지 제27항 중 어느 한 항에 있어서,
c) 또 다른 장벽 코팅으로 EVOH 장벽 표면 층을 코팅하는 단계를 더 포함하여 구성되는 것을 특징으로 하는 방법. - 제28항에 있어서,
또 다른 장벽 코팅이 물리적인 증기 증착(PVD) 코팅과 같은 증착 코팅 및 플라즈마 강화된 CVD 코팅과 같은 화학적인 증기 증착(CVD) 코팅인 것을 특징으로 하는 방법. - 제29항에 있어서,
상기 증착 코팅이 금속화, 실리콘 산화물 코팅 또는 아몰퍼스 카본 코팅인 것을 특징으로 하는 방법.
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| SE1150855-3 | 2011-09-20 | ||
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| PCT/EP2012/068190 WO2013041469A1 (en) | 2011-09-20 | 2012-09-17 | A multilayer barrier film, a packaging laminate comprising the film, a packaging container formed from the packaging laminate and a method for the production of the film |
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- 2012-09-17 BR BR112013032527A patent/BR112013032527B8/pt active IP Right Grant
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11214044B2 (en) | 2016-03-08 | 2022-01-04 | Lg Chem, Ltd. | Multilayer film comprising polyalkylene carbonate and manufacturing method of the same |
Also Published As
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| US20140199505A1 (en) | 2014-07-17 |
| BR112013032527B8 (pt) | 2020-06-30 |
| JP2014531341A (ja) | 2014-11-27 |
| ES2825028T3 (es) | 2021-05-14 |
| BR112013032527A2 (pt) | 2017-03-01 |
| RU2014115719A (ru) | 2015-10-27 |
| MX342902B (es) | 2016-10-18 |
| CN107757031A (zh) | 2018-03-06 |
| MX2013014860A (es) | 2014-03-31 |
| CN107757031B (zh) | 2021-06-01 |
| US9662863B2 (en) | 2017-05-30 |
| AU2012311710B2 (en) | 2016-02-04 |
| EP2758239A1 (en) | 2014-07-30 |
| CA2846657A1 (en) | 2013-03-28 |
| RU2600350C2 (ru) | 2016-10-20 |
| AU2012311710A1 (en) | 2014-04-10 |
| AR087960A1 (es) | 2014-04-30 |
| EP2758239B1 (en) | 2020-08-19 |
| JP6486104B2 (ja) | 2019-03-20 |
| SA112330849B1 (ar) | 2017-10-12 |
| CN103608178A (zh) | 2014-02-26 |
| WO2013041469A1 (en) | 2013-03-28 |
| BR112013032527B1 (pt) | 2020-06-09 |
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