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Thin Film Diffusion Barrier

a thin film and diffusion barrier technology, applied in the direction of synthetic resin layered products, tyre parts, using optical means, etc., can solve the problems of increased thickness and rigidity of packaging, damage to trod contained within packaging, and undesired weight increase of packaging

Inactive Publication Date: 2014-12-11
MICHELIN & CO CIE GEN DES ESTAB MICHELIN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention is a new technology that solves the problem of slow and unreliable data transmission over wireless networks. It provides faster and more reliable data transfer over longer distances, using advanced techniques and protocols. The invention has various technical advantages, which can be readily applied to different embodiments for carrying out the same purposes. These embodiments may have different specific features and performance parameters, but they all meet the same standards and requirements of the invention. Overall, the invention improves wireless network communication speed and reliability, which is beneficial for various industries and applications.

Problems solved by technology

Drawbacks to conventional packaging include gas and liquid permeability of the packaging.
Such drawbacks may lead to damage to trod contained within the packaging.
Drawbacks to the developed coatings and liners include increased thickness and rigidity of the packaging.
Increased thickness may cause an undesired weight increase of the packaging.
In addition, such increased rigidity may cause unwanted damage to the packaging.
Consequently, there is as need for unproved diffusion barriers.

Method used

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  • Thin Film Diffusion Barrier
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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0050]Materials. Natural sodium montmorillonite (MMT)(CLOISITE® NA+, which is a registered trademark of Southern Clay Products, Inc.) clay was used as received. Individual MMT platelets had a negative surface charge in deionized water, reported density of 2.86 g / cm3, thickness of 1 nm, and a nominal aspect ratio (l / d)≧200. Branched polyethylenimine (PEI) (Mw=25,000 g / mol and Mn=10,000 g / mol), polyethylene oxide (PEO) (Mw=4,000,000 g / mol) and polyacrylic acid (PAA) (35 wt.% in water, Mw=100,000 g / mol) were purchased from Sigma-Aldrich (Milwaukee, Wis.) and used as received. 500 μm thick, single-side-polished, silicon wafers were purchased from University Water (South Boston, Mass.) and used as reflective substrates for film growth characterization via ellipsometry.

[0051]Film Preparation. All film deposition mixtures were prepared using 18.2 MΩ deionized water, from a DIRECT-Q® Ultrapure Water System, and rolled for one day (24 h) to achieve homogeneity. DIRECT-Q® is a registered trad...

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PUM

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Abstract

An elastomeric substrate has a material diffusion harrier, and a method produces the same. In an embodiment, a method for producing a material diffusion barrier on an elastomeric substrate includes exposing the elastomeric substrate to a cationic solution to produce a cationic layer on the elastomeric substrate. The method also includes exposing the cationic layer to an anionic solution to produce an anionic layer on the cationic layer. The layer includes the cationic layer and the anionic layer. The layer comprises the material diffusion barrier.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]This invention relates to the field of diffusion barriers and more specifically to the field of thin film barriers against diffusion of materials.[0003]2. Background of the Invention[0004]Diffusion barriers to gas and vapors are key components in a variety of applications, such as food packaging and flexible electronics. For instance, there is an increased need for improved barrier performance against diffusion of materials for food packaging. Drawbacks to conventional packaging include gas and liquid permeability of the packaging. Such drawbacks may lead to damage to trod contained within the packaging. Coatings and liners have been developed for conventional packaging to reduce gas and liquid permeability. Drawbacks to the developed coatings and liners include increased thickness and rigidity of the packaging. Increased thickness may cause an undesired weight increase of the packaging. In addition, such increased rigi...

Claims

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Application Information

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IPC IPC(8): B05D1/36B05D5/00B05D7/00B05D1/02
CPCB05D1/36B05D1/02B05D7/5883B05D7/5483B05D5/00B60C1/0008G01B11/06G01N15/08C08J2433/02C08J2471/02C08J2479/02G01N2015/086C08J7/0423C08K3/20C08K3/346C08K2201/011B32B27/308B32B9/00B32B25/00B32B25/08B32B27/06B32B27/08B32B27/28B32B27/288B32B27/30B32B27/302B32B27/306B32B27/34B32B2255/00B32B2255/10B32B2255/28B32B2264/00B32B2264/02B32B2264/102B32B2264/108B32B2264/12B32B2307/308B32B2307/7242B32B2307/7244B32B2605/00B32B2605/08C08K3/042C08K3/041Y10T428/31826B05D7/02B60C1/0041C08L33/02C08L71/02C08L79/02C08L2203/16C08L2205/03
Inventor GRUNLAN, JAIME C.PRIOLO, MORGAN A.BERGMAN, BRIAN R.MCHUGH, JOHN J.
Owner MICHELIN & CO CIE GEN DES ESTAB MICHELIN