KR100931599B1 - 박리 가능한 밀봉 필름 - Google Patents
박리 가능한 밀봉 필름 Download PDFInfo
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- KR100931599B1 KR100931599B1 KR1020047007654A KR20047007654A KR100931599B1 KR 100931599 B1 KR100931599 B1 KR 100931599B1 KR 1020047007654 A KR1020047007654 A KR 1020047007654A KR 20047007654 A KR20047007654 A KR 20047007654A KR 100931599 B1 KR100931599 B1 KR 100931599B1
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Abstract
Description
특히, 의학적 어플리케이션을 위하여, 박리 필름은, 지핑(zipping), 섬유 인열 또는 엔젤 헤어(angel hairs)없이 발생되어야만 하는, 포장의 개봉 동안에 템퍼 에비던트 및 접착성 파손 메커니즘이 요구된다. 이는 박리 트레이스(trace)가 평활하며 모든 종류의 가시적인 붕괴로부터 제외되어야만 한다는 것을 뜻한다. 더욱이, 필름은 폴리에스터, 폴리염화비닐 및 폴리아미드를 포함하는 다양한 서브스트레이트 상에서 박리가 가능해야만 한다.
이들 기준에 부합하기 위하여, 박리 합성 성분의 여러 부조화한 폴리머들은, 압출 컴파운딩 단계 동안에 고도로 분산 및 균질화 되어야만 한다. 높은 분산을 이끄는 전단의 높은 레벨은, 예를 들어, 사전-합성하는 세션(session)동안 이축 압축기에 구성요소를 혼합함으로써 도달할 수 있다.
그러나, 산업용 오프-라인 컴파운딩 작업의 문제는, 주로 경제적인 것이며 시간당 수 톤의 대량생산을 요구하는 실제 컴파운딩 기계의 높은 출력비율에 있다. 이러한 단계의 대규모 작업은 불가피하게 예를 들어, 다품종의 특수 주문 생산된 박리 생산품의 소량 주문에 대해 요구된 유연성을 제한한다. 그러므로, 본 발명의 도전은 고가의 인-라인 컴파운딩 장비를 투입할 필요 없이, 이러한 문제의 해결책을 찾는데 있다.
본 발명의 다른 해결의 견지는, 공압출 다층 필름에서 박리 층이 리스프(risp) 박리 적용을 위한 다층 합성물의 표면 또는 내측상에 위치되어질 수 있으며, 다층 필름 총 두께의 최대 15%를 나타낸다.
본 발명의 추가적인 면은, 제 1단계로, 높은 전단 및 분산하는 토출 장치에서, 제 1항에 정의된 바와 같이 박리 가능한 층에 대한 전구체 포뮬레이션이 사전-합성되고, 제 2단계로, 상기 사전-합성된 전구체 포뮬레이션이 포장 필름의 박리력 및 핫텍을 변경하도록 가지상 LLDPE를 균질하게 추가하는 동안, 단축 압출 장치를 통해 압출되는 것을 특징으로 하는, 열 밀봉가능하며 박리가능한 공압출 다층 포장 필름의 준비를 위한 과정을 공개한다.
LLDPE 중량의 25%를 상회하는 이러한 높은 레벨이, 제 2 토출 단계에서 단축 장치의 전구체 포뮬레이션 사이에 이상적으로 분산되어질 수 있다는 것은, 특히 놀라우며 예상치 않았던 것이다. 이는 전구체 포뮬레이션의 완벽한 융화성을 입증한다.
본 발명의 다른 면은, 상기 필름의 표면부가 제조되는 동안 외부 닙(nip) 압력 및 온도가 적용됨으로써 광학적으로 변경된다는 것이다.
본 발명에 의해 얻어진 필름은, 종이에 대한 박리 및 멸균성 그리고 템퍼 에비던트 포장 어플리케이션에 사용된다.
Claims (13)
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- 사전-합성된(pre-compounded) 전구체 포뮬레이션으로부터 얻어진 하나 이상의 박리가능층을 포함하는, 박리가능한 열밀봉가능 공압출 다층 포장 필름을 제조하는 방법에 있어서,제1단계로서, 상기 박리가능층을 위한 전구체 포뮬레이션이 전단 및 분산 압출장치에서 사전-합성되는 단계로서, 상기 사전-합성된 전구체 포뮬레이션은,- 에틸렌 호모폴리머, 에틸렌 코폴리머, 또는 이들의 혼합물 50∼80중량%;- 스티렌 호모폴리머, 스티렌 코폴리머, 또는 이들의 혼합물 15∼20중량%; 및- 열가소성 엘라스토머성 스티렌-부타디엔-스티렌 블록 코폴리머 5∼20중량%;를 함유하고 가공 첨가제를 잔부로서 함유하여 성분들의 총합이 100중량%에 이르고; 및제2단계로서, 상기 다층 포장 필름의 박리력과 핫택(hottack)을 변경하기 위해 5∼25중량%의 균질한 가지형 LLDPE를 첨가하면서 상기 사전-합성된 전구체 포뮬레이션이 단축 압출장치를 통해 압출되는 단계;를 포함하는 다층 포장 필름 제조 방법.
- 제7항에 있어서, 상기 다층 포장 필름의 표면 영역이 제조하는 동안에 외부 닙(nip) 압력과 온도를 적용함으로써 광학적으로 변경되는 것을 특징으로 하는 다층 포장 필름 제조 방법.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01870249.8 | 2001-11-20 | ||
EP01870249A EP1312470A1 (en) | 2001-11-20 | 2001-11-20 | Peelable seal film |
PCT/EP2002/011902 WO2003043816A1 (en) | 2001-11-20 | 2002-10-22 | Peelable seal film |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040054785A KR20040054785A (ko) | 2004-06-25 |
KR100931599B1 true KR100931599B1 (ko) | 2009-12-14 |
Family
ID=8185047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020047007654A KR100931599B1 (ko) | 2001-11-20 | 2002-10-22 | 박리 가능한 밀봉 필름 |
Country Status (21)
Country | Link |
---|---|
US (1) | US7354635B2 (ko) |
EP (2) | EP1312470A1 (ko) |
JP (1) | JP4030503B2 (ko) |
KR (1) | KR100931599B1 (ko) |
CN (1) | CN1278851C (ko) |
AT (1) | ATE322979T1 (ko) |
AU (1) | AU2002342854A1 (ko) |
BR (1) | BR0213675B8 (ko) |
CA (1) | CA2461786C (ko) |
CY (1) | CY1105031T1 (ko) |
DE (1) | DE60210664T2 (ko) |
DK (1) | DK1453671T3 (ko) |
ES (1) | ES2260485T3 (ko) |
HK (1) | HK1069149A1 (ko) |
MY (1) | MY128707A (ko) |
PL (1) | PL206828B1 (ko) |
PT (1) | PT1453671E (ko) |
SI (1) | SI1453671T1 (ko) |
TW (1) | TWI291971B (ko) |
WO (1) | WO2003043816A1 (ko) |
ZA (1) | ZA200403511B (ko) |
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US8398306B2 (en) | 2005-11-07 | 2013-03-19 | Kraft Foods Global Brands Llc | Flexible package with internal, resealable closure feature |
US20070259029A1 (en) * | 2006-05-08 | 2007-11-08 | Mcentire Edward Enns | Water-dispersible patch containing an active agent for dermal delivery |
US20070258935A1 (en) * | 2006-05-08 | 2007-11-08 | Mcentire Edward Enns | Water dispersible films for delivery of active agents to the epidermis |
US20080057090A1 (en) * | 2006-09-01 | 2008-03-06 | Mcentire Edward Enns | Wrinkle masking film composition for skin |
US7879942B2 (en) * | 2006-10-05 | 2011-02-01 | Eastman Chemical Company | Switchable adhesive article for attachment to skin and method of using the same |
US7871696B2 (en) | 2006-11-21 | 2011-01-18 | Kraft Foods Global Brands Llc | Peelable composite thermoplastic sealants in packaging films |
US7871697B2 (en) * | 2006-11-21 | 2011-01-18 | Kraft Foods Global Brands Llc | Peelable composite thermoplastic sealants in packaging films |
US9232808B2 (en) | 2007-06-29 | 2016-01-12 | Kraft Foods Group Brands Llc | Processed cheese without emulsifying salts |
US7681732B2 (en) | 2008-01-11 | 2010-03-23 | Cryovac, Inc. | Laminated lidstock |
DE602008002214D1 (de) * | 2008-01-30 | 2010-09-30 | Amcor Flexibles Transpac | Manipulationssichere Durchstoßverpackung |
BR112012021415A8 (pt) | 2010-02-26 | 2017-12-05 | Kraft Foods Global Brands Llc | Embalagem com um meio de fixação refechável de base adesiva para produzi-la. |
RU2557614C2 (ru) | 2010-02-26 | 2015-07-27 | Интерконтинентал Грейт Брэндс ЛЛС | Уф-отверждаемый самоклеющийся материал с низкой липкостью для повторно укупориваемых упаковок |
CN102381514A (zh) * | 2010-09-06 | 2012-03-21 | 苏州海顺包装材料有限公司 | 一种食品、药品用封盖膜 |
US9533472B2 (en) | 2011-01-03 | 2017-01-03 | Intercontinental Great Brands Llc | Peelable sealant containing thermoplastic composite blends for packaging applications |
EP2540492A1 (en) | 2011-06-30 | 2013-01-02 | Amcor Flexibles Transpac N.V. | Peelable film |
US20130095336A1 (en) | 2011-10-17 | 2013-04-18 | Becton, Dickinson And Company | Film Composition for Controlled Peelable Seal Film |
JP6639229B2 (ja) | 2012-05-10 | 2020-02-05 | ベリー グローバル, インコーポレイテッドBerry Global, Inc. | 包装用の可剥性フィルム |
EP2669086A1 (en) * | 2012-05-28 | 2013-12-04 | Dow Global Technologies LLC | Cast silage film with enhanced cling properties |
US20140065397A1 (en) | 2012-08-28 | 2014-03-06 | 3M Innovative Properties Company | Coextruded polymer film configured for successive irreversible delamination |
US11319131B2 (en) | 2012-11-15 | 2022-05-03 | Bemis Company, Inc. | Sterilization pouch |
ES2688287T3 (es) | 2012-12-19 | 2018-10-31 | Amcor Flexibles Kreuzlingen Ag | Envase flowpack |
JP2016520461A (ja) | 2013-06-06 | 2016-07-14 | スリーエム イノベイティブ プロパティズ カンパニー | 抗菌性組み込み層を有する、連続して剥離可能な共押出しポリマーフィルム |
EP3112150A1 (en) * | 2015-06-30 | 2017-01-04 | Dow Global Technologies LLC | Methods of preparing a peelable seal layer |
GB201516575D0 (en) * | 2015-09-18 | 2015-11-04 | Johnson Matthey Plc | Food Packaging |
US10351305B2 (en) | 2015-11-23 | 2019-07-16 | Amcor Flexibles, Inc. | Package seal having a fibrous breathable material |
JP2020513339A (ja) * | 2016-11-24 | 2020-05-14 | アムコア フレキスィブルス トランスパック ビーヴィビーエー | 剥離可能な封止層 |
DE102016125669B4 (de) | 2016-12-23 | 2021-07-15 | Mondi Ag | Aufreißverpackung |
EP3476591B1 (en) * | 2017-10-26 | 2020-05-27 | Amcor Flexibles Singen GmbH | Composite film |
CN111844666B (zh) * | 2020-06-29 | 2022-07-05 | 四川东方绝缘材料股份有限公司 | 一种液晶聚合物薄膜和tpx阻胶膜的同步制备方法 |
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DK169553B1 (da) * | 1979-08-08 | 1994-11-28 | Ucb Sa | Varmforseglelig emballeringsfilm, fremgangsmåde til dens fremstilling samt emballager deraf |
TW232671B (ko) * | 1990-01-16 | 1994-10-21 | Idemitsu Petrochemical Co |
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2001
- 2001-11-20 EP EP01870249A patent/EP1312470A1/en not_active Withdrawn
-
2002
- 2002-10-22 ES ES02779507T patent/ES2260485T3/es not_active Expired - Lifetime
- 2002-10-22 SI SI200230341T patent/SI1453671T1/sl unknown
- 2002-10-22 EP EP02779507A patent/EP1453671B1/en not_active Expired - Lifetime
- 2002-10-22 DE DE60210664T patent/DE60210664T2/de not_active Expired - Lifetime
- 2002-10-22 JP JP2003545474A patent/JP4030503B2/ja not_active Expired - Lifetime
- 2002-10-22 AT AT02779507T patent/ATE322979T1/de active
- 2002-10-22 WO PCT/EP2002/011902 patent/WO2003043816A1/en active Application Filing
- 2002-10-22 CA CA2461786A patent/CA2461786C/en not_active Expired - Lifetime
- 2002-10-22 KR KR1020047007654A patent/KR100931599B1/ko active IP Right Grant
- 2002-10-22 AU AU2002342854A patent/AU2002342854A1/en not_active Abandoned
- 2002-10-22 DK DK02779507T patent/DK1453671T3/da active
- 2002-10-22 US US10/494,102 patent/US7354635B2/en not_active Expired - Lifetime
- 2002-10-22 CN CNB028207467A patent/CN1278851C/zh not_active Expired - Lifetime
- 2002-10-22 BR BRPI0213675-9A patent/BR0213675B8/pt active IP Right Grant
- 2002-10-22 PT PT02779507T patent/PT1453671E/pt unknown
- 2002-10-22 PL PL369926A patent/PL206828B1/pl unknown
- 2002-10-30 MY MYPI20024074A patent/MY128707A/en unknown
- 2002-11-07 TW TW091132833A patent/TWI291971B/zh not_active IP Right Cessation
-
2004
- 2004-05-07 ZA ZA2004/03511A patent/ZA200403511B/en unknown
-
2005
- 2005-02-28 HK HK05101684A patent/HK1069149A1/xx not_active IP Right Cessation
-
2006
- 2006-05-12 CY CY20061100617T patent/CY1105031T1/el unknown
Patent Citations (3)
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JPH10501191A (ja) * | 1994-06-06 | 1998-02-03 | ダブリュ・アール・グレイス・アンド・カンパニー−コネテイカツト | 形成充填封止包装用のラミネート |
JPH10504211A (ja) * | 1994-08-10 | 1998-04-28 | フォン ボリース ホルスト | 滅菌すべき物品用包装材料 |
JPH11509575A (ja) * | 1996-05-06 | 1999-08-24 | モンテル テクノロジー カンパニー ビーブイ | 剥離強度制御を有するヒートシール性フィルム用ポリオレフィン組成物 |
Also Published As
Publication number | Publication date |
---|---|
PL369926A1 (en) | 2005-05-02 |
EP1453671B1 (en) | 2006-04-12 |
CA2461786C (en) | 2011-08-09 |
DK1453671T3 (da) | 2006-07-31 |
PL206828B1 (pl) | 2010-09-30 |
EP1453671A1 (en) | 2004-09-08 |
AU2002342854A1 (en) | 2003-06-10 |
US20050008802A1 (en) | 2005-01-13 |
TW200407364A (en) | 2004-05-16 |
JP2005509564A (ja) | 2005-04-14 |
TWI291971B (en) | 2008-01-01 |
WO2003043816A1 (en) | 2003-05-30 |
US7354635B2 (en) | 2008-04-08 |
CN1571727A (zh) | 2005-01-26 |
JP4030503B2 (ja) | 2008-01-09 |
CA2461786A1 (en) | 2003-05-30 |
ES2260485T3 (es) | 2006-11-01 |
PT1453671E (pt) | 2006-08-31 |
EP1312470A1 (en) | 2003-05-21 |
BR0213675A (pt) | 2004-10-26 |
BR0213675B1 (pt) | 2013-01-08 |
BR0213675B8 (pt) | 2013-02-19 |
KR20040054785A (ko) | 2004-06-25 |
MY128707A (en) | 2007-02-28 |
ZA200403511B (en) | 2005-08-31 |
DE60210664T2 (de) | 2006-11-16 |
DE60210664D1 (de) | 2006-05-24 |
ATE322979T1 (de) | 2006-04-15 |
CY1105031T1 (el) | 2010-03-03 |
HK1069149A1 (en) | 2005-05-13 |
SI1453671T1 (sl) | 2006-08-31 |
CN1278851C (zh) | 2006-10-11 |
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