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Nylon-MXD6/Polypropylene Laminated Containers

Laminated sheets and containers composed of polyolefin and Nylon-MXD6 retain their gas-barrier characteristics after a retorting process. Moreover, any gas-barrier quality reduction caused by retorting will quickly recover. Table 10 shows the change in the oxygen transmission coefficient of retorted laminated containers. Fig. 9 shows the cumulative oxygen transmission coefficient of retorted laminated containers.

Table 10 Change in Oxygen Transmission Coefficient of Nylon-MXD6/Polypropylene Laminated Containers after Retorting
Structure of Laminated Containers Thickness (µm) Oxygen Permeation rate
(cc/Package ·day· 0.21atm)
Initial Time after retorting (day)
1 7 14 30
PP/Tie/Nylon-MXD6/Tie/PP 140/10/40/10/180 0.047 0.38 0.028 0.020 0.019
PP/Tie/EVOH/Tie/PP
(Ethylene 32mol%)
140/10/40/10/180 0.012 0.68 0.49 0.25 0.11

Fig. 9 Cumulative Oxygen Transmission Coefficient of Nylon-MXD6/Polypropylene Laminated Containers after Retorting

Nylon-MXD6/Polypropylene Laminated Containers


EVOH : ethylene 32moi%
Retorting Conditions : 121℃, 30min
Container Specifications Volume : 350cm3
Surfase Area : 310cm2
(Inside)PP / Nylon-MXD6 / PP(Outside)
140/10/40/10/180µm (average)
Measuring Conditions:23℃, 100%RH (Inside), 50%RH (Outside)

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Aromatic Chemicals Company
Aromatic Chemicals Division I

TEL:+81-3-3283-4800
FAX:+81-3-3214-0938

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