Biaxially oriented polyethylene-based film with high surface energy
A polyethylene base film, biaxial stretching technology, applied in the field of polyethylene film, can solve the problem of low surface energy and achieve the effect of reliable bonding force
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Embodiment 1
[0058]
[0059] The polarity of the functional group (carboxyl group) contained in the hook chain layer is greater than that of the functional group (hydroxyl group) contained in the outer layer;
[0060] The surface tension of the high surface layer is 50 dyne / cm, greater than 38 dyne / cm.
Embodiment 2
[0062]
[0063] The polarity of the functional group (carboxyl group) contained in the hook chain layer is greater than that of the functional group (amide group) contained in the outer layer;
[0064] The surface tension of the high surface layer is 46 dyne / cm, greater than 38 dyne / cm.
Embodiment 3
[0066]
[0067] The polarity of the functional group (ester group) contained in the hook chain layer is equal to the polarity of the functional group (ester group) contained in the outer layer;
[0068] The surface tension of the high surface layer is 40 dyne / cm, greater than 38 dyne / cm.
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