KR20180111893A - 적층체 - Google Patents
적층체 Download PDFInfo
- Publication number
- KR20180111893A KR20180111893A KR1020187025091A KR20187025091A KR20180111893A KR 20180111893 A KR20180111893 A KR 20180111893A KR 1020187025091 A KR1020187025091 A KR 1020187025091A KR 20187025091 A KR20187025091 A KR 20187025091A KR 20180111893 A KR20180111893 A KR 20180111893A
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- KR
- South Korea
- Prior art keywords
- water
- layer
- film
- thickness
- soluble polymer
- 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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- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
- B32B2307/734—Dimensional stability
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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
- B32B2535/00—Medical equipment, e.g. bandage, prostheses or catheter
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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
- B32B2555/00—Personal care
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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
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Abstract
Description
도 2는 본 발명의 적층체의 사용 방법의 일례를 나타내는 모식도이다.
도 3은 본 발명의 적층체의 트로카 통과 평가 시의 박리봉과 시험편의 접촉 위치를 나타내는 도면이다.
Claims (9)
- 지방족 폴리에스테르를 포함하는 두께가 10~500㎚인 생분해성 재료의 층과, 상기 생분해성 재료의 층의 적어도 편면에 배치된 수용성 재료의 층을 갖고,
상기 수용성 재료의 층은 상기 생분해성 재료의 층에 가까운 쪽으로부터 순서대로 수용성 폴리머(a)를 포함하는 두께가 1~20㎛인 제 1 막, 수용성 폴리머(b)를 포함하는 두께가 10㎛~10㎜인 섬유 구조체, 수용성 폴리머(c)를 포함하는 두께가 1~20㎛인 제 2 막이 적층되어 구성되어 있는 적층체. - 제 1 항에 있어서,
상기 제 2 막의 표면에 물을 적하시키고 나서 생분해성 재료의 층에 접하는 측의 제 1 막의 표면이 용해될 때까지 필요한 시간이 5초 이상 5분 미만인 적층체. - 제 1 항 또는 제 2 항에 있어서,
돌자 강도가 0.3~30N인 적층체. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 생분해성 재료층의 두께는 10~200㎚인 적층체. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 제 1 막의 두께는 2~10㎛인 적층체. - 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,
상기 제 2 막의 두께는 5~20㎛인 적층체. - 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,
상기 섬유 구조체의 두께는 100㎛~1㎜인 적층체. - 제 1 항 내지 제 7 항 중 어느 한 항에 있어서,
상기 수용성 폴리머는 풀루란 또는 폴리비닐알코올인 적층체. - 제 1 항 내지 제 8 항 중 어느 한 항에 있어서,
상기 지방족 폴리에스테르는 폴리락트산계 폴리머인 다층 적층체.
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PCT/JP2017/011563 WO2017164264A1 (ja) | 2016-03-23 | 2017-03-23 | 積層体 |
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WO2023080497A1 (ko) * | 2021-11-02 | 2023-05-11 | 에스케이마이크로웍스 주식회사 | 다층 생분해성 배리어 필름, 이의 제조방법 및 이를 포함하는 친환경 포장재 |
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JP6955234B2 (ja) * | 2018-07-25 | 2021-10-27 | 凸版印刷株式会社 | 肌貼付用フィルム、および、転写シート |
WO2021111971A1 (ja) * | 2019-12-04 | 2021-06-10 | 株式会社ユポ・コーポレーション | 生分解性積層体 |
US11820881B2 (en) | 2020-04-02 | 2023-11-21 | Singular Solutions Inc. | Plastic pro-biodegradation additives, biodegradable plastic compositions, and related methods |
WO2022056641A1 (en) * | 2020-09-17 | 2022-03-24 | Singular Solutions Inc. | Ultra-fast marine-biodegradable composite film |
EP4563346A1 (en) | 2022-07-25 | 2025-06-04 | Toray Industries, Inc. | Multilayer object |
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