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Packaging material performance requirements--film composite performance

Author:plastic bag wholesaler    Time:15/07/11    Click:
Packaging material performance requirements--film composite performance

To improve the packaging at the same time barrier performance of water vapor and oxygen, may need to be done to several different kinds of thin film dry type composite multi-layer co-extrusion or several resin. Dry compound is to rely on the the binder bonded with several kinds of thin film, so the film needs to be treated with electric 0 to increase the surface tension, improve and the bond strength between the binder, generally need to make the composite film peel strength reached o. 5 n. Multi-layer co-extrusion technology by molecular inter-atomic forces to two kinds of adhesive resin layer, so compatibility between resin raw materials is very important; If the compatibility between the two layers resin is not good, is in need to join the middle layer between the two kinds of resin layer (also known as the Tie resin), by Tie resin to improve the peel strength of multi-layer co-extrusion composite membranes. Composite membrane is easy

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