Table 11 shows the properties of Nylon-MXD6/PET laminated bottles, as compared with the properties of PET bottles. Table 12 shows the properties of Nylon-MXD6/PET blended bottles.
|Oxygen Permeation rate *||cc/bottle・day・0.21atm||0.0075||0.027|
*at:23℃, 100%RH (Inside), 50%RH (Outside)
|Items||Unit||Nylon-MXD6 Content (weight%)|
|Oxygen Permeation rate *||cc/bottle・day・0.21atm||0.016||0.011|
* at:23℃, 100%RH (Inside), 50%RH (Outside)
Fig. 10 shows the change in the concentration of Vitamin C (L-ascorbic acid) packed in Nylon-MXD6/PET laminated bottles. Fig. 11 shows the retention of carbon dioxide when Nylon-MXD6/PET laminated and single-layer bottles are filled with a carbonated drink.
Storage condition: 30℃, inside 100%RH, outside 65%RH
Bottle : 500ml, walll thickness 350μm
Storage condition : 20℃, inside 100%RH, outside 65%RH
Fig. 12 shows the relationship between the carbon dioxide transmission coefficient and the percentage of Nylon-MXD6 contained in the Nylon-MXD6/PET blended bottle, as plotted against the shelf life of a carbonated drink.
Capacity : 500cc
Measuring Conditions : 20℃, 60%RH
*Shelf life: Shelf life 15% loss from intial gas volume