Coextruded polymeric article and method of making the same
US-12023841-B2 · Jul 2, 2024 · US
Extruded resin film and method for producing the same
US9498912B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9498912-B2 |
| Application number | US-32316608-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 25, 2008 |
| Priority date | Nov 27, 2007 |
| Publication date | Nov 22, 2016 |
| Grant date | Nov 22, 2016 |
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Abstract
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An object of the present invention is to provide an extruded resin film which thermally shrinks little and a method for producing the same. The present invention provides an extruded resin film, formed by an extrusion forming method, made of a thermoplastic resin, having a thickness of from 0.03 to 0.5 mm, wherein the extruded resin film has a shrinkage ratio in the extrusion direction, S1 (%), which satisfies the following formula (1) and has a shrinkage ratio in the cross-extrusion direction, S2 (%), of from 0 to 5% when being left at rest for 0.5 hours under a hot atmosphere at the temperature of 20° C. above heat distortion temperature (Th) of the thermoplastic resin: 0.1/ X≦S 1≦1.7/ X (1) wherein X is thickness of the extruded resin film (mm).
First claim
Opening claim text (preview).
What is claimed is: 1. An extruded resin film, formed by an extrusion forming method, comprising at least one thermoplastic resin, the extruded resin film having a thickness of from 0.03 to 0.5 mm and a shrinkage ratio in the extrusion direction, S1 (%), which satisfies the following formula (1) and has a shrinkage ratio in the cross-extrusion direction, S2 (%), of from 0 to 5% when being left at rest for 0.5 hours under a hot atmosphere at the temperature of 20° C. above heat dist…
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Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US9498912B2 cover?
- An object of the present invention is to provide an extruded resin film which thermally shrinks little and a method for producing the same. The present invention provides an extruded resin film, formed by an extrusion forming method, made of a thermoplastic resin, having a thickness of from 0.03 to 0.5 mm, wherein the extruded resin film has a shrinkage ratio in the extrusion direction, S1 (%),…
- Who is the assignee on this patent?
- Maekawa Tomohiro, Koyama Koji, Sumitomo Chemical Co, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification B29C48/914. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Nov 22 2016 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).