KR101557287B1 - 탭스톡을 포함하는 프라이머리 라미네이트를 생산하는 방법 및 프라이머리 라미네이트 - Google Patents
탭스톡을 포함하는 프라이머리 라미네이트를 생산하는 방법 및 프라이머리 라미네이트 Download PDFInfo
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- KR101557287B1 KR101557287B1 KR1020147003030A KR20147003030A KR101557287B1 KR 101557287 B1 KR101557287 B1 KR 101557287B1 KR 1020147003030 A KR1020147003030 A KR 1020147003030A KR 20147003030 A KR20147003030 A KR 20147003030A KR 101557287 B1 KR101557287 B1 KR 101557287B1
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B65D51/00—Closures not otherwise provided for
- B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
- B65D51/20—Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
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- B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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- B65D2577/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
Description
설정 | 폴리에틸렌 용기에 밀봉 | 폴리에스테르 용기에 밀봉 |
냉동장치 금속판 온도(℃) | -23 내지 -27 | -18 내지 -22 |
냉동장치 타입 | 상자형(Chest) | 벤치형(Bench) |
사용된 용기 | 1리터 굴뚝형 | 150미리리터 '라운드 패커' |
장비 | Enercon dairy sealing head | Relco Lab sealing head |
토크 (N) | 1.5 | 1.2 |
갭(gap) 설정 (mm) | 8 | 4(4x1mm EPE 스페이서들) |
파워 설정 | 75% | '1' |
시간/속도 | 속도 = 24m/min | 시간 = '1' |
도 2 는 본 발명의 방법에서 사용되는 라미네이팅 장치들의 개략도이다.
도 3 은 도 2 에 도시된 장치의 부분 사시도이다.
도 4 는 성형된 접착제의 강도를 체크하기 위하여 180° 필 테스트가 진행되는 프라이머리 라미네이트의 한 샘플의 단면도이다.
도 5 는 용기의 목에 위치하는 밀봉을 나타내는 사시도이다.
Claims (23)
- -30℃ 내지 30℃ 온도에 대한 탭스톡을 포함하는 프라이머리 라미네이트를 생산하는 방법으로서, 상기 방법은,
열 밀봉층(heat seal layer), 호일층(foil layer) 및 상측 발포층(top foam layer)을 포함하는 밀봉 라미네이트를 라미네이팅 스테이션으로 이송하는 단계;
탭스톡의 바닥면과 상기 밀봉 라미네이트의 상측 표면이 프라이머리 기판을 형성하도록 비접착으로 접촉을 시켜서, 상기 프라이머리 기판의 상면이 상기 탭스톡의 상면을 부분적으로 포함하고, 상기 라미네이팅 스테이션을 향하여 상기 밀봉 라미네이트 보다 폭이 좁은 탭스톡을 연속적으로 공급하는 단계;
상기 프라이머리 기판의 상면에 플라스틱 필름의 바닥면이 접촉하도록 상기 라미네이팅 스테이션으로 상측 및 바닥측 표면들을 갖는 플라스틱 필름을 연속적으로 공급하는 단계; 및
상기 밀봉 라미네이트와 상기 플라스틱 필름이 서로 접착되도록 프라이머리 기판의 상면과 플라스틱 필름의 바닥면 사이에서 1 내지 10 dg/min (190℃, 2.16kg)의 범위의 용융흐름지수(melt flow index) 가지는 에틸렌과 알킬아크릴레이트(alkylacrylate)의 랜덤 공중합체(random copolymer)인 중합 접착제(polymeric adhesive)를 연속적으로 압출하고 냉각하는 단계;를 포함하고,
상기 에틸렌과 알킬아크릴레이트의 랜덤 공중합체는 0.5 내지 25%의 아크릴레이트 몰비율(mole proportions)을 갖고 70 내지 100℃ 의 범위 내에서 녹는점을 갖는 C1-12 알킬 아크릴레이트 에스테르를 함유하는 에틸렌 공중합체이되, -30℃ 내지 30℃ 온도 범위 내에서 상기 플라스틱 필름과 밀봉 라미네이트 사이의 결합은, 플라스틱 필름 및 탭스톡의 라미네이트가 180°의 분리각을 갖는 탭스톡의 길이방향 가장자리로 90°로 박리될 때, 330m/min 에서 15N/12.5mm 보다 더 큰 것을 특징으로 하는 탭스톡을 포함하는 프라이머리 라미네이트를 생산하는 방법. - 제 1 항에 있어서, 압출 온도와 중합 접착제의 중량 및 압출유동속도 중 하나 이상의 조건은 프라이머리 기판과 플라스틱 필름 사이의 닙(nip)에서 상기 중합 접착제의 온도가 상기 상측 발포층의 녹는점 보다 더 높게 형성되도록 선택되어,
중합 접착제의 도포시 상기 상측 발포층의 손상이 방지되는 것을 특징으로 하는 탭스톡을 포함하는 프라이머리 라미네이트를 생산하는 방법. - 제 1 항에 있어서, 상기 중합 접착제는 0.92 내지 0.95 g/cm3 범위 내의 밀도를 갖는 것을 특징으로 하는 탭스톡을 포함하는 프라이머리 라미네이트를 생산하는 방법.
- 제 1 항에 있어서, 상기 플라스틱 필름은 폴리에스테르, 폴리에틸렌테레프탈레이트, 폴리아미드, 폴리에틸렌 중에서 선택된 재질 또는 폴리에스테르, 폴리에틸렌테레프탈레이트, 폴리아미드, 폴리에틸렌의 합성물(composite) 중에서 선택된 재질로 제조되되 공압출되어 제조되는 것을 특징으로 하는 탭스톡을 포함하는 프라이머리 라미네이트를 생산하는 방법.
- 제 1 항에 있어서, 상기 밀봉 라미네이트의 상기 상측 발포층은 중밀도 또는 고밀도 폴리에틸렌을 포함하고, 120°C 내지 129°C 범위의 녹는점을 갖는 것을 특징으로 하는 탭스톡을 포함하는 프라이머리 라미네이트를 생산하는 방법.
- 제 1 항에 있어서, 상기 밀봉 라미네이트의 상기 상측 발포층은 75 내지 300㎛ 의 범위에 있는 두께를 갖는 것을 특징으로 하는 탭스톡을 포함하는 프라이머리 라미네이트를 생산하는 방법.
- 제 1 항에 있어서, 상기 상측 발포층은 0.5 내지 0.8 g/ml 범위의 밀도를 갖는 것을 특징으로 하는 탭스톡을 포함하는 프라이머리 라미네이트를 생산하는 방법.
- 제 1 항에 있어서, 밀봉 라미네이트 보다 폭이 좁은 탭스톡을 연속적으로 공급하는 단계에서 상기 탭스톡은 밀봉 라미네이트의 폭을 가로질러 규칙적인 공간이 형성된 간격들을 두고 배치된 다수 개의 협폭 스트립들을 포함하는 것을 특징으로 하는 탭스톡을 포함하는 프라이머리 라미네이트를 생산하는 방법.
- 제 1 항에 있어서, 중합 접착제를 연속적으로 압출하는 단계에서 상기 중합 접착제는 25 내지 45 gm2 범위에서의 코팅 중량(coat weight)을 부여하도록 압출되는 것을 특징으로 하는 탭스톡을 포함하는 프라이머리 라미네이트를 생산하는 방법.
- 제 1 항에 있어서, 상기 플라스틱 필름은 20 내지 40 ㎛ 범위의 두께를 갖는 것을 특징으로 하는 탭스톡을 포함하는 프라이머리 라미네이트를 생산하는 방법.
- 제 1 항에 있어서, 상기 중합 접착제는 에틸렌 메틸 아크릴레이트 공중합체인 것을 특징으로 하는 탭스톡을 포함하는 프라이머리 라미네이트를 생산하는 방법.
- 제 11 항에 있어서, 상기 에틸렌 메틸 아크릴레이트 공중합체는 1 내지 3 dg/min (190℃, 2.16kg) 범위에 있는 용융흐름지수(ASTM D1238)를 갖는 것을 특징으로 하는 탭스톡을 포함하여 프라이머리 라미네이트를 생산하는 방법.
- -30℃ 내지 30℃ 온도 범위 내에서 사용가능한 프라이머리 라미네이트로써,
열 밀봉층, 호일층 및 상측 발포층의 바닥층을 포함하는 밀봉 라미네이트;
상면과 바닥면을 갖되, 프라이머리 기판을 형성하도록 상기 밀봉 라미네이트의 상면에 바닥면이 접촉되는 탭스톡;
에틸렌과 알킬아크릴레이트의 랜덤 공중합체를 포함하고 1 내지 10 dg/min (190℃, 2.16kg) 범위에 있는 용융흐름지수를 갖는 중합 접착제에 의해서 상기 탭스톡의 상면과 밀봉 라미네이트의 상면에 접착되는 플라스틱 필름층;을 포함하는 것을 특징으로 하는 프라이머리 라미네이트. - 제 13 항에 있어서, 에틸렌과 알킬아크릴레이트의 랜덤 공중합체는, 0.5 내지 25%의 아크릴레이트 몰비율을 갖는 C1-12 알킬 아크릴레이트 에스테르를 함유한 에틸렌 공중합체를 포함하는 것을 특징으로 하는 프라이머리 라미네이트.
- 제 13 항 또는 제 14 항에 있어서, -30℃ 내지 30℃ 온도 범위 내에 있을 경우 상기 플라스틱 필름과 밀봉 라미네이트 사이의 결합은, 플라스틱 필름과 탭스톡의 라미네이트가 180°의 분리각을 갖는 탭스톡의 수직 가장자리로 90°로 박리될 때, 330m/min 에서 15N/12.5mm 보다 더 큰 것을 특징으로 하는 프라이머리 라미네이트.
- 제 13 항에 있어서, 상기 중합 접착제는 에틸렌 메틸 아크릴레이트 공중합체인 것을 특징으로 하는 프라이머리 라미네이트.
- 제 16 항에 있어서, 상기 에틸렌 메틸 아크릴레이트 공중합체는 1 내지 3 dg/min 의 범위에 있는 용융흐름지수를 갖는 것을 특징으로 하는 프라이머리 라미네이트.
- 제 13 항에 있어서, 상기 중합 접착제는 아크릴레이트의 몰비율이 1 내지 20 % 인 것을 특징으로 하는 프라이머리 라미네이트.
- 제 13 항에 있어서, 상기 플라스틱 필름은 폴리에스테르, 폴리에틸렌테레프탈레이트, 폴리아미드, 폴리에틸렌 중에서 선택된 재질 또는 폴리에스테르, 폴리에틸렌테레프탈레이트, 폴리아미드, 폴리에틸렌의 합성물 중에서 선택된 재질로 제조되되 공압출되어 제조되는 것을 특징으로 하는 프라이머리 라미네이트.
- 제 13 항에 있어서, 상기 밀봉 라미네이트의 상기 상측 발포층은 중밀도 또는 고밀도 폴리에틸렌을 포함하고, 120°C 내지 129°C 범위의 녹는점을 갖는 것을 특징으로 하는 프라이머리 라미네이트.
- 제 13 항에 있어서, 상기 상측 발포층은 0.5 내지 0.8 g/ml 범위의 밀도를 갖는 것을 특징으로 하는 프라이머리 라미네이트.
- 제 13 항에 있어서, 상기 프라이머리 라미네이트는 스크류 캡에 삽입되는 것을 특징으로 하는 프라이머리 라미네이트.
- 삭제
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2007
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- 2007-12-14 KR KR1020147003030A patent/KR101557287B1/ko active Active
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- 2007-12-14 WO PCT/US2007/087520 patent/WO2008079730A1/en active Application Filing
- 2007-12-14 CN CN200780050330.XA patent/CN101616848B/zh active Active
- 2007-12-14 KR KR1020147023322A patent/KR101557438B1/ko active Active
- 2007-12-14 KR KR1020097014461A patent/KR20090101352A/ko not_active Ceased
- 2007-12-14 CA CA2673540A patent/CA2673540C/en active Active
- 2007-12-14 AU AU2007337099A patent/AU2007337099B2/en not_active Ceased
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CA2673540A1 (en) | 2008-07-03 |
AU2007337099B2 (en) | 2013-08-22 |
CN103950235B (zh) | 2016-03-23 |
EP1935636A1 (en) | 2008-06-25 |
MX2009006778A (es) | 2009-08-17 |
WO2008079730A1 (en) | 2008-07-03 |
ATE534512T1 (de) | 2011-12-15 |
US20100047552A1 (en) | 2010-02-25 |
PL1935636T5 (pl) | 2016-05-31 |
AU2007337099A1 (en) | 2008-07-03 |
EP1935636B2 (en) | 2016-01-20 |
US8906185B2 (en) | 2014-12-09 |
KR20150005898A (ko) | 2015-01-15 |
US20120043330A1 (en) | 2012-02-23 |
KR20140113742A (ko) | 2014-09-24 |
KR101557438B1 (ko) | 2015-10-06 |
EP1935636B1 (en) | 2011-11-23 |
CN101616848B (zh) | 2014-04-16 |
BRPI0719456A2 (pt) | 2014-02-04 |
NZ577908A (en) | 2011-11-25 |
ES2377333T3 (es) | 2012-03-26 |
CN103950235A (zh) | 2014-07-30 |
KR20090101352A (ko) | 2009-09-25 |
PL1935636T3 (pl) | 2012-05-31 |
US10005598B2 (en) | 2018-06-26 |
CA2673540C (en) | 2015-05-26 |
CN101616848A (zh) | 2009-12-30 |
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