KR20220167064A - 폴리에틸렌과 전분을 사용하는 생분해성 다층 필름 - Google Patents
폴리에틸렌과 전분을 사용하는 생분해성 다층 필름 Download PDFInfo
- Publication number
- KR20220167064A KR20220167064A KR1020210076135A KR20210076135A KR20220167064A KR 20220167064 A KR20220167064 A KR 20220167064A KR 1020210076135 A KR1020210076135 A KR 1020210076135A KR 20210076135 A KR20210076135 A KR 20210076135A KR 20220167064 A KR20220167064 A KR 20220167064A
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- multilayer film
- aluminum
- polyethylene
- adhesive
- 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.)
- Ceased
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Classifications
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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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal 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
- B32B15/085—Layered products comprising a layer of metal comprising metal 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 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/12—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- 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
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- B32B2311/00—Metals, their alloys or their compounds
- B32B2311/24—Aluminium
-
- 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
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Laminated Bodies (AREA)
Abstract
Description
도 2는 본 발명에 따른 다층 필름의 다른 실시예에 대한 단면도이다.
도 3은 본 발명에 따른 다층 필름의 생분해도를 나타낸 그래프이다.
도 4는 본 발명에 따른 다층 필름의 산소투과도를 나타낸 그래프이다.
도 5는 본 발명에 따른 다층 필름의 수분투과도를 나타낸 그래프이다.
11, 21: 수지층
12, 22: 알루미늄층
13, 23: 종이층
14a, 14b, 24a, 24b: 접착층
25: 제1 수지층
26: 제2 수지층
27: 제3 수지층
Claims (8)
- 폴리에틸렌 및 전분 중 1 종 이상을 포함하는 수지층;
알루미늄층; 및
종이층을 포함하고
상기 폴리에틸렌의 밀도는 0.94 g/cm3이하이고;
상기 수지층은 단층구조 또는 각 층이 상이한 다층구조인 다층 필름.
- 제 1 항에 있어서,
수지층과 알루미늄층 사이의 계면; 및
알루미늄층과 종이층 사이의 계면 중 어느 하나 이상의 계면에 위치하는 접착층을 더 포함하는 다층 필름.
- 제 1 항에 있어서,
수지층의 두께는 20 내지 100μm인 것을 특징으로 하는 다층 필름.
- 제 1 항에 있어서,
알루미늄층의 두께는 4 내지 20μm 인 것을 특징으로 하는 다층 필름.
- 제 1 항에 있어서,
알루미늄층은 알루미늄 플레이트, 알루미늄 포일, 알루미늄 파우더가 분산된 수지, 및 알루미늄 증착 수지 중 1 종 이상을 포함하는 것을 특징으로 하는 다층 필름.
- 제 1 항에 있어서,
종이층의 두께는 40 내지 100μm이고, 중량은 40 내지 100gsm인 것을 특징으로 하는 다층 필름.
- 제 1 항에 있어서,
접착층은 에폭시 접착제, 우레탄 접착제, 아세톤 접착제 또는 실리콘 접착제인 것을 특징으로 하는 다층 필름.
- 제 1 항에 있어서,
총 중량에 대해 알루미늄층의 중량이 1 내지 10 중량%인 것을 특징으로 하는 다층 필름.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020210076135A KR20220167064A (ko) | 2021-06-11 | 2021-06-11 | 폴리에틸렌과 전분을 사용하는 생분해성 다층 필름 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020210076135A KR20220167064A (ko) | 2021-06-11 | 2021-06-11 | 폴리에틸렌과 전분을 사용하는 생분해성 다층 필름 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20220167064A true KR20220167064A (ko) | 2022-12-20 |
Family
ID=84539145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020210076135A Ceased KR20220167064A (ko) | 2021-06-11 | 2021-06-11 | 폴리에틸렌과 전분을 사용하는 생분해성 다층 필름 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20220167064A (ko) |
-
2021
- 2021-06-11 KR KR1020210076135A patent/KR20220167064A/ko not_active Ceased
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Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20210611 |
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Comment text: Notification of reason for refusal Patent event date: 20220830 Patent event code: PE09021S01D |
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Patent event date: 20221108 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20220830 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |
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