Unlock instant, AI-driven research and patent intelligence for your innovation.

Laminate film structures having barrier adhesive layer

A laminated structure and laminated film technology, applied in the field of laminated film structure, can solve the problems of increased complexity and increased manufacturing costs

Pending Publication Date: 2020-05-05
DOW GLOBAL TECH LLC
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Increasing the complexity of these structures in either the number of layers or layer thickness results in increased manufacturing costs

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Laminate film structures having barrier adhesive layer
  • Laminate film structures having barrier adhesive layer
  • Laminate film structures having barrier adhesive layer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] Embodiment 1. A laminated film structure suitable for use in flexible packaging comprising:

[0062] film layer; and

[0063] a barrier adhesive layer disposed on the surface of said film layer,

[0064] wherein the oxygen transmission rate of the laminated film structure does not exceed 20 cubic centimeters as measured by ASTM method D3985 2 / square meter / day.

Embodiment 2

[0065] Embodiment 2. A laminated film structure suitable for use in flexible packaging comprising:

[0066] film layer; and

[0067] a barrier adhesive layer disposed on the surface of said film layer,

[0068] wherein the laminated film structure has a water vapor transmission rate of not more than 5 grams H as measured by ASTM method F1249 2 O / square meter / day.

Embodiment 3

[0069] Embodiment 3. A laminated film structure suitable for use in flexible packaging comprising:

[0070] first film layer;

[0071] a second film layer; and

[0072] a barrier adhesive layer disposed between the first film layer and the second film layer,

[0073] wherein the oxygen transmission rate of the laminated film structure does not exceed 20 cubic centimeters as measured by ASTM method D3985 2 / square meter / day.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
melting pointaaaaaaaaaa
thicknessaaaaaaaaaa
thicknessaaaaaaaaaa
Login to View More

Abstract

Laminate film structures including an adhesive layer having gas and moisture barrier properties are disclosed. The disclosed laminate film structures comprise films bonded together with an adhesive composition, the adhesive composition having barrier properties, e.g., controlling oxygen and / or water vapor transmission rates. The disclosed laminate film structures comprise films made from polymersand / or metallized polymers whereby the weight, thickness, and / or number of film layers has been reduced by using a barrier adhesive in place of a standard adhesive while still achieving similar barrier properties. Methods for forming laminate structures having a desired barrier performance are also disclosed, the methods comprising determining the desired barrier performance of the laminate structure, selecting a barrier adhesive, selecting two or more film layers, including at least a first film layer and a second film layer, applying the barrier adhesive on a surface of the first film layer,and bringing a surface of the second film layer into contact with the barrier adhesive applied on the surface of the first film layer, thereby forming the laminate structure having a desired barrierperformance.

Description

[0001] References to related applications [0002] This application claims the benefit of U.S. Provisional Application No. 62 / 561,950, filed September 22, 2017. technical field [0003] The present invention relates to laminated film structures comprising an adhesive layer having barrier properties. Specifically, the disclosed laminated film structures include films bonded together by an adhesive layer having gas and / or moisture barrier properties, such as controlling oxygen and / or water vapor transmission rates. The disclosed laminated film structures include films made from polymers and / or metallized polymers in which the weight, thickness and / or number of film layers have been reduced by using a barrier adhesive composition instead of a standard adhesive composition, While still achieving barrier-like properties. The present invention further relates to a method of forming a laminated structure having a barrier adhesive layer, wherein said method enables the weight, thic...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): B32B7/12B32B27/08B32B27/30B32B27/32B32B27/34B32B27/36B32B27/40C09D7/00C08G18/00C09D175/00
CPCB32B7/12B32B27/08B32B27/304B32B27/32B32B27/34B32B27/36B32B27/40C09D5/00C08G18/758C08G18/7621C08G18/7671C08G18/792C08G18/4238C09J175/06B32B2307/7244B32B2307/7246B32B2439/70C09J7/29C09J7/38B32B27/302B32B37/12C09J2423/046C09J2423/106C09J2425/006C09J2427/006C09J2467/006C09J2475/00C09J2477/006
Inventor V·沙哈K·斯哈诺比什A·A·马林B·多瓦尔H·辛格H·A·布朗
Owner DOW GLOBAL TECH LLC