KR101924552B1 - 분리가 용이한 열수축 필름 - Google Patents
분리가 용이한 열수축 필름 Download PDFInfo
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- KR101924552B1 KR101924552B1 KR1020160058008A KR20160058008A KR101924552B1 KR 101924552 B1 KR101924552 B1 KR 101924552B1 KR 1020160058008 A KR1020160058008 A KR 1020160058008A KR 20160058008 A KR20160058008 A KR 20160058008A KR 101924552 B1 KR101924552 B1 KR 101924552B1
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- Prior art keywords
- heat
- surface layer
- film
- shrinkable film
- olefin copolymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- 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
- B32B27/08—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 of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- 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
- B32B7/04—Interconnection of layers
- B32B7/06—Interconnection of layers permitting easy separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
- B32B2307/734—Dimensional stability
- B32B2307/736—Shrinkable
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- Laminated Bodies (AREA)
Abstract
Description
| 구성 | 두께비(%) | ||||||||
| 표면층 | 기재층 | ||||||||
| 원료 | Grade | 함량 (중량%) |
원료 | Grade | 함량 (중량%) |
제1 표면층 |
기재층 | 제2 표면층 |
|
| 실시예1 | COC | 9506 | 100 | POE | 1880G | 100 | 10 | 80 | 10 |
| 실시예2 | COC | 8007 | 100 | POE | 1880G | 100 | 10 | 80 | 10 |
| 실시예3 | COC | 9506 | 100 | POE | 1880G | 90 | 10 | 80 | 10 |
| COC | 9506 | 10 | |||||||
| 실시예4 | COC | 8007 | 100 | POE | 1880G | 90 | 10 | 80 | 10 |
| COC | 8007 | 10 | |||||||
| 실시예5 | COC | 9506 | 100 | POE | 1880G | 100 | 7.5 | 85 | 7.5 |
| 비교예1 | COC | 9506 | 100 | COC | 9506 | 100 | 12.5 | 75 | 12.5 |
| 비교예2 | POE | 1880G | 100 | POE | 1880G | 100 | 10 | 80 | 10 |
| 비교예3 | COC | 9506 | 100 | m-PE | 1018A | 100 | 15 | 70 | 15 |
| 비교예4 | m-PE | 1018A | 30 | m-PE | 1018A | 80 | 10 | 80 | 10 |
| COC | 9506 | 70 | COC | 9506 | 20 | ||||
| 비교예5 | COC | 9506 | 100 | LDPE | BF415 | 100 | 15 | 70 | 15 |
| 비교예6 | COC | 9506 | 100 | LLDPE | 35-05H | 100 | 17.5 | 65 | 17.5 |
| 비교예7 | COC | 9506 | 100 | LDPE | BF415 | 70 | 15 | 70 | 15 |
| COC | 9506 | 30 | |||||||
| 비교예8 | COC | 9506 | 100 | LLDPE | 35-05H | 70 | 15 | 70 | 15 |
| COC | 9506 | 30 | |||||||
| 비중(g/cm3) | 열수축률(%) | 접착력(gf) | 헤이즈 | 수축응력(kgf) | 스커트 비(%) | |
| 실시예1 | < 1.0 | 57 | 856 | 2.5 | 2 | 8.5 |
| 실시예2 | < 1.0 | 55 | 834 | 4.0 | 2.5 | 8 |
| 실시예3 | < 1.0 | 55 | 865 | 5.5 | 3.5 | 7.8 |
| 실시예4 | < 1.0 | 53 | 854 | 6.2 | 3.7 | 7.9 |
| 실시예5 | < 1.0 | 78 | 756 | 3.5 | 4.5 | 6.5 |
| 비교예1 | > 1.0 | 65 | 1,015 | 1.5 | 1.8 | 5 |
| 비교예2 | < 1.0 | 55 | 0 | 1.5 | 3.5 | 3.5 |
| 비교예3 | < 1.0 | 32 | 865 | 7 | 5.4 | 3.8 |
| 비교예4 | < 1.0 | 35 | 456 | 15 | 6.5 | 6.7 |
| 비교예5 | < 1.0 | 35 | 856 | 5.0 | 5.4 | 2.8 |
| 비교예6 | < 1.0 | 25 | 789 | 7.0 | 3.1 | 4.9 |
| 비교예7 | < 1.0 | 37 | 798 | 11 | 4.8 | 8.5 |
| 비교예8 | < 1.0 | 31 | 715 | 10 | 6.7 | 5.8 |
11 : 제1표면층
12 : 기재층
13 : 제2표면층
Claims (19)
- 제2항에 있어서,
상기 A가 결합된 탄소 원자와 함께 C5 -8 바이사이클로알칸 잔기를 형성하는, 열수축 필름.
- 제3항에 있어서,
상기 A가 결합된 탄소원자와 함께 바이사이클로[2.2.1]헵탄 잔기를 형성하는, 열수축 필름.
- 삭제
- 제1항에 있어서,
상기 R1 및 R2는 각각 독립적으로 수소 또는 C4-8 알킬이고, 이 때, R1 및 R2 둘 중 하나는 C4-8 알킬이고 다른 하나는 수소인, 열수축 필름.
- 제6항에 있어서,
상기 R1 및 R2 둘 중 하나가 선형 헥실이고 다른 하나는 수소인, 열수축 필름.
- 제1항에 있어서,
상기 환형 올레핀 공중합체가 하기 화학식 1로 표시되는 반복단위를 포함하고, 상기 폴리올레핀 탄성중합체가 하기 화학식 2로 표시되는 반복단위를 포함하는, 열수축 필름:
[화학식 1]
[화학식 2]
상기 식에서,
a는 30 내지 50의 정수이며;
A는 결합된 탄소 원자와 함께 C5 -8 바이사이클로알칸 잔기를 형성하고;
b는 50 내지 90의 정수이며;
R1 및 R2는 각각 독립적으로 수소 또는 C4 -8 알킬이고, 이 때 R1 및 R2 둘 중 하나는 C4 -8 알킬이고 다른 하나는 수소이며;
y는 x 및 y 총합을 기준으로 0 초과 30% 이하이다.
- 제1항에 있어서,
상기 환형 올레핀 공중합체 및 폴리올레핀 탄성중합체가 각각 50,000 내지 150,000 및 100,000 내지 250,000의 중량평균분자량을 갖는, 열수축 필름.
- 제1항에 있어서,
상기 제1표면층 및 제2표면층이 각각 해당 표면층 총 중량을 기준으로 환형 올레핀 공중합체를 80 내지 100 중량%의 양으로 포함하고, 무기물을 0 내지 20 중량%의 양으로 더 포함하는, 열수축 필름.
- 제10항에 있어서,
상기 무기물이 CaCO3, BaSO4, TiO2 및 SiO2으로 이루어진 군으로부터 선택된 1종 이상인, 열수축 필름.
- 삭제
- 제1항에 있어서,
상기 제1표면층 및 제2표면층의 두께의 합이 필름 총 두께의 5 내지 40% 인, 열수축 필름.
- 제1항에 있어서,
상기 열수축 필름이 1 g/cm3 이하의 비중을 갖는, 열수축 필름.
- 제1항에 있어서,
상기 열수축 필름이 90℃의 온도에서 10초동안 열처리될 때 길이 방향 또는 폭 방향으로 40 내지 80%의 열수축률을 나타내는, 열수축 필름.
- 제1항에 있어서,
상기 열수축 필름이 4% 이하의 헤이즈를 갖는, 열수축 필름.
- 제1항에 있어서,
상기 열수축 필름이 2 내지 7 kgf 수축응력을 갖는, 열수축 필름.
- 제1항에 있어서,
상기 열수축 필름이 5 내지 9%의 스커트 비(skirt ratio)를 갖고,
상기 스커트 비는 상기 열수축 필름을 폭 60mm, 길이(주수축방향) 115mm로 절단하고, 필름 표면에 묻은 이물질을 제거하고 필름의 주수축방향을 고정한 다음, 90℃ 온수에 10초 동안 침지시킨 후, 수축된 필름의 폭(a)을 측정하고, 하기 수학식에 의하여 측정한, 열수축 필름:
[수학식]
스커트 비(%) = (60-a)/115 X 100
- 제1항에 있어서,
상기 열수축 필름은 제1표면층, 기재층 및 제2표면층이 공압출된, 열수축 필름.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160058008A KR101924552B1 (ko) | 2016-05-12 | 2016-05-12 | 분리가 용이한 열수축 필름 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160058008A KR101924552B1 (ko) | 2016-05-12 | 2016-05-12 | 분리가 용이한 열수축 필름 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20170127664A KR20170127664A (ko) | 2017-11-22 |
| KR101924552B1 true KR101924552B1 (ko) | 2018-12-03 |
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| KR1020160058008A Active KR101924552B1 (ko) | 2016-05-12 | 2016-05-12 | 분리가 용이한 열수축 필름 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102525113B1 (ko) * | 2020-11-30 | 2023-04-28 | 롯데케미칼 주식회사 | 투명성과 고시성이 우수한 수축 라벨용 필름 |
| KR102743975B1 (ko) * | 2021-11-24 | 2024-12-16 | 롯데케미칼 주식회사 | 투명성과 인쇄성이 우수한 수축 라벨용 필름 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000148020A (ja) | 1998-11-05 | 2000-05-26 | Dainippon Printing Co Ltd | 熱収縮性ラベル |
| JP5464141B2 (ja) * | 2008-06-18 | 2014-04-09 | コニカミノルタ株式会社 | 偏光板、液晶表示装置、及び偏光板用保護フィルムの製造方法 |
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2016
- 2016-05-12 KR KR1020160058008A patent/KR101924552B1/ko active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000148020A (ja) | 1998-11-05 | 2000-05-26 | Dainippon Printing Co Ltd | 熱収縮性ラベル |
| JP5464141B2 (ja) * | 2008-06-18 | 2014-04-09 | コニカミノルタ株式会社 | 偏光板、液晶表示装置、及び偏光板用保護フィルムの製造方法 |
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| Publication number | Publication date |
|---|---|
| KR20170127664A (ko) | 2017-11-22 |
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St.27 status event code: A-5-5-R10-R13-asn-PN2301 St.27 status event code: A-5-5-R10-R11-asn-PN2301 |
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| R11 | Change to the name of applicant or owner or transfer of ownership requested |
Free format text: ST27 STATUS EVENT CODE: A-5-5-R10-R11-ASN-PN2301 (AS PROVIDED BY THE NATIONAL OFFICE) |
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| R13 | Change to the name of applicant or owner recorded |
Free format text: ST27 STATUS EVENT CODE: A-5-5-R10-R13-ASN-PN2301 (AS PROVIDED BY THE NATIONAL OFFICE) |








