Crystallinity and OTR
The relationship between crystallinity and OTR is shown in the following.
(1)Relational Expression
The relationship between crystallinity and OTR is shown by the next formula.
| here X : | crystallinity (%) |
|---|---|
| Pa : | OTR of amorphous polymer (0%crystallinity) |
| Pc : | OTR of polymer having X(%) crystallinity |
A relational diagram for typical "Soarnol®" was obtained by DSC method.
(2)Result
Each "Soarnol®" shows high barrier property in case of high crystallinity. Generally, 40-50% crystallinity can be gained by normal processing condition.
Data Prepared : 1 Sep. 2003
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