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Flexible materials for flexible containers

A flexible material and flexible container technology, applied in the container field, can solve problems such as unsightly, difficult to distribute flow products, limit decoration size and shape, etc., and achieve the effects of not easy to wear, easy to print, and easy to distribute

Active Publication Date: 2015-01-14
THE PROCTER & GAMBNE CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Both fabrications are energy-intensive processes that may require complex equipment
[0008] Second, some conventional rigid containers for flowable products may require large amounts of material
This may require a large amount of material which increases the cost of the container and makes its disposal difficult
[0009] Third, some conventional rigid containers for flowy products can be difficult to decorate
The size, shape (e.g. curved surface) and / or material of some rigid containers make it difficult to print directly on their outer surface
Labeling requires additional materials and handling and limits the size and shape of the trim
Packaging provides a large decorative area, but also requires additional materials and handling, often at significant cost
[0010] Fourth, some conventional rigid containers used for flowable products may be prone to certain types of damage
If a rigid container is pressed against a hard object, the container can be dented, which can make it look unsightly
And if the rigid container is dropped, the container may break, which can cause loss of its flowable product
[0011] Fifth, some runny products in conventional rigid containers can be difficult to dispense
Other users may need to apply so much hand force that they cannot easily control the degree to which the container is deformed; these users may dispense more runny product than they desire

Method used

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  • Flexible materials for flexible containers
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  • Flexible materials for flexible containers

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0235] A first laminate was formed with the layers ordered as shown below. The total film thickness was about 90 microns. The PE layer was a blend of 90% LLDPE(ZN) with 10% LDPE as determined by Temperature Rising Elution Fractionation (TREF).

[0236] Composition and order of layers

Layer thickness (microns)

Features

PE

18

sealable layer

bonding layer

<2

bonding layer

nylon

~3

reinforcement layer

EVOH

6

gas barrier

nylon

~3

reinforcement layer

EVA

22

bonding layer

nylon

~3

reinforcement layer

EVOH

6

gas barrier

nylon

~3

reinforcement layer

bonding layer

<2

bonding layer

PE

18

sealable layer

[0237] The first laminate has the following properties:

[0238]

example 2

[0240] A first laminate was formed with the layers ordered as shown below. The total film thickness was about 92 microns. The PE layer was 100% LLDPE(ZN) as determined by Temperature Rising Elution Fractionation (TREF).

[0241]

[0242] The first laminate has the following properties:

[0243]

example 3

[0245] A first laminate was formed with the layers ordered as shown below. The total film thickness was about 80 microns. The PE layer was mainly LDPE with a small amount of LLDPE (ZN) as determined by temperature rising elution fractionation (TREF).

[0246] Composition and order of layers

layer thickness

Features

PE

32μm

sealable layer

bonding layer

<2μm

bonding layer

EVOH

12μm

gas barrier

bonding layer

<2μm

bonding layer

PE

32μm

sealable layer

[0247] The first laminate has the following properties:

[0248]

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PUM

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Abstract

A flexible material for a flexible container can include a first laminate and a second laminate joined to at least a portion of the first laminate by at least one seal. The first laminate can include a first gas barrier layer disposed between first and second sealable layers, wherein the first and second sealable layers define opposed exterior layers of the first laminate. The second laminate can include a third sealable layer defining an exterior layer of the second laminate, and a second gas barrier layer. The at least one seal joins a portion of the third sealable layer to at least a portion of the second sealable layer.

Description

technical field [0001] The present disclosure relates generally to containers, and in particular to containers made of flexible materials. Background technique [0002] Flowable products include liquid products and / or pourable solid products. In various embodiments, a container can be used to receive, contain and dispense one or more fluent products. Also, in various embodiments, the container can be used to receive, hold and / or dispense individual articles or separately packaged portions of a product. A container may contain one or more product volumes. The product volume may be configured to be filled with one or more fluent products. The container receives the fluent product as it fills its product volume. Once filled to the desired volume, the container can be configured to contain the fluent product in its product volume until the fluent product is dispensed. The container holds the fluent product by providing a barrier around the fluent product. The barrier preve...

Claims

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Application Information

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IPC IPC(8): B32B27/08B32B27/30B32B27/32B32B27/34
CPCB32B27/34B32B2307/7244B32B27/306B32B2439/40B32B2307/54B32B27/08B32B27/327B32B2307/31B32B2307/548B32B2270/00B32B2250/24B32B2439/70B32B27/32
Inventor S·K·斯坦利J·尤E·C·博斯韦尔L·M·阿伦特
Owner THE PROCTER & GAMBNE CO
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