Heat-shrinkable film
US-2015273803-A1 · Oct 1, 2015 · US
Heat-shrinkable multi-layer film
US10434754B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10434754-B2 |
| Application number | US-201615747566-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 27, 2016 |
| Priority date | Oct 5, 2015 |
| Publication date | Oct 8, 2019 |
| Grant date | Oct 8, 2019 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
The present invention provides a heat shrinkable multilayer film that has low density, excellent shrinkage properties, and high rigidity, is less likely to suffer delamination, and also has excellent transparency. The present invention relates to a heat shrinkable multilayer film, containing: front and back layers; and an interlayer, the front and back layers each containing 60 to 80% by weight of a cyclic olefin resin and 20 to 40% by weight of an ethylene resin, the interlayer containing 50 to 80% by weight of an olefin resin and 20 to 50% by weight of a plastic resin, the interlayer containing 35 to 70 mol % of a propylene component, 1 to 10 mol % of an ethylene component, and 1 to 10 mol % of a butene component, based on 100 mol % of resin components constituting the interlayer.
First claim
Opening claim text (preview).
The invention claimed is: 1. A heat shrinkable multilayer film, comprising: front and back layers; and an interlayer, the front and back layers each containing 60 to 80% by weight of a cyclic olefin resin and 20 to 40% by weight of an ethylene resin, the interlayer containing 50 to 80% by weight of an olefin resin and 20 to 50% by weight of a plastic resin, the interlayer containing 35 to 70 mol % of a propylene component, 1 to 10 mol % of an ethylene component, and 1 to 10 mol % of a butene component, based on 100 mol % of resin components constituting the interlayer, and the plastic resin being a petroleum resin, a terpene resin, a rosin resin, or a hydrogenated derivative thereof, the plastic resin not being an olefin resin. 2. The heat shrinkable multilayer film according to claim 1 , wherein the ethylene resin constituting the front and back layers is a linear low-density polyethylene. 3. The heat shrinkable multilayer film according to claim 1 , having a density of lower than 1,000 kg/m 3 . 4. A heat shrinkable label comprising: the heat shrinkable multilayer film according to claim 1 .
Assignees
Inventors
Classifications
Yield strength; Tensile strength · CPC title
Slipping, anti-blocking, low friction · CPC title
comprising polycycloolefins · CPC title
Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA · CPC title
Resin or rubber layer containing a blend of at least two different polymers · CPC title
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- What does patent US10434754B2 cover?
- The present invention provides a heat shrinkable multilayer film that has low density, excellent shrinkage properties, and high rigidity, is less likely to suffer delamination, and also has excellent transparency. The present invention relates to a heat shrinkable multilayer film, containing: front and back layers; and an interlayer, the front and back layers each containing 60 to 80% by weight…
- Who is the assignee on this patent?
- Gunze Kk
- What technology area does this patent fall under?
- Primary CPC classification B32B27/08. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Oct 08 2019 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).