KR20200084635A - 배리어 필름 - Google Patents
배리어 필름 Download PDFInfo
- Publication number
- KR20200084635A KR20200084635A KR1020190000754A KR20190000754A KR20200084635A KR 20200084635 A KR20200084635 A KR 20200084635A KR 1020190000754 A KR1020190000754 A KR 1020190000754A KR 20190000754 A KR20190000754 A KR 20190000754A KR 20200084635 A KR20200084635 A KR 20200084635A
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- barrier film
- film
- nano
- nylon
- 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.)
- Granted
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Classifications
-
- 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
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- 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
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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
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- 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
- B32B2250/00—Layers arrangement
- B32B2250/42—Alternating layers, e.g. ABAB(C), AABBAABB(C)
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
- B32B2307/7244—Oxygen barrier
-
- 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
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
- B32B2307/7246—Water vapor barrier
-
- 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
- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
Landscapes
- Laminated Bodies (AREA)
Abstract
Description
| 실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | ||
| 제1표층(6.25㎛) | PA1 | PA1 | PA1 | PA1 | |
| 제1타이층(2.5㎛) | PO1 | PO1 | PO1 | PO1 | |
| 멀티-나노층 (7.5㎛) |
A층 | PA2 | PA1 | PA2 | PA2 |
| B층 | PA1 | EVOH1 | EVOH1 | PO1 | |
| 제2타이층(2.5㎛) | PO1 | PO1 | PO1 | PO1 | |
| 제2표층(6.25㎛) | PA1 | PA1 | PA1 | PA1 | |
| OTR (cc/㎡·day·atm) | 2.5 | 0.9 | 0.3 | 3.5 | |
| MVTR (g/㎡·day) | 70 | 100 | 50 | 15 | |
| 층간 접착성 | Good | Good | Good | Good | |
| 비교예 1 | 비교예 2 | 비교예 3 | |
| OTR (cc/㎡·day·atm) | 35 | 1.5 | 2.3 |
| MVTR (g/㎡·day) | - | - | - |
| 층간 접착성 | - | - | Delamination |
20a : 제 1 타이층
20b : 제 2 타이층
30a : 제 1 표층
30b : 제 2 표층
Claims (10)
- 폴리아미드계 수지, 무수말레산 그래프트 폴리올레핀계 중합체 및 에틸렌비닐알코올계 공중합체에서 선택되는 수지로 이루어진 제1나노층 및 제2나노층이 교대로 적층되며, 상기 제1나노층 및 제2나노층은 서로 상이한 수지로 이루어지고, 적어도 10층 이상이 적층된 멀티-나노층(multi-nano layer),
상기 멀티-나노층의 양면에 적층되는 타이층(tie layer), 및
상기 타이층 상에 적층되며 폴리아미드계 수지로 이루어진 표층(surface layer)을 포함하는 배리어 필름. - 제 1항에 있어서,
상기 배리어 필름은 전체 두께가 10 ~ 150 ㎛인 배리어 필름. - 제 2항에 있어서,
상기 멀티-나노층의 두께는 전체 필름 두께의 20 ~ 50%이고,
상기 타이층의 두께는 전체 필름 두께의 10 ~ 30%이고,
상기 표층의 두께는 전체 필름 두께의 40 ~ 60%인 것인 배리어 필름. - 제 1항에 있어서,
상기 멀티-나노층은 10 ~ 50개의 층이 적층된 것인 배리어 필름. - 제 1항에 있어서,
상기 멀티-나노층은 양측의 최외층은 폴리아미드계 수지로 이루어진 것인 배리어 필름. - 제 5항에 있어서,
상기 표층은 나일론 6로 이루어진 것인 배리어 필름. - 제 6항에 있어서,
상기 나일론 6은 ISO 307에 따른 상대점도가 2 ~ 4인 것인 배리어 필름. - 제 1항에 있어서,
상기 타이층은 무수말레산 그래프트 폴리올레핀계 중합체로 이루어진 것인 배리어 필름. - 제 1항에 있어서,
상기 배리어 필름은 ASTM D3985에 따른 산소 투과도가 50 cc/㎡·day·atm 이하이고, ASTM F1249에 따른 수증기 투과도가 150 g/㎡·day 이하인 배리어 필름. - 제 1항 내지 제 9항에서 선택되는 어느 한 항의 배리어 필름을 포함하는 식품포장용 필름.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190000754A KR102610858B1 (ko) | 2019-01-03 | 2019-01-03 | 배리어 필름 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020190000754A KR102610858B1 (ko) | 2019-01-03 | 2019-01-03 | 배리어 필름 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20200084635A true KR20200084635A (ko) | 2020-07-13 |
| KR102610858B1 KR102610858B1 (ko) | 2023-12-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020190000754A Active KR102610858B1 (ko) | 2019-01-03 | 2019-01-03 | 배리어 필름 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR102610858B1 (ko) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016221760A (ja) * | 2015-05-28 | 2016-12-28 | 住友ベークライト株式会社 | 多層フィルム及び包装体 |
-
2019
- 2019-01-03 KR KR1020190000754A patent/KR102610858B1/ko active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016221760A (ja) * | 2015-05-28 | 2016-12-28 | 住友ベークライト株式会社 | 多層フィルム及び包装体 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102610858B1 (ko) | 2023-12-05 |
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