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What's in the pharmaceutical packaging aluminum foil coated?
发布时间:2015-1-24 15:15:23 点击次数:

 

Aluminum foil blister packaging of the drug is the most widely used way of drug packaging. It has moisture-proof, safety and health, long shelf life and convenient use, at the same time it also combines the cost is low, the production speed is quick, convenient transportation. Pharmaceutical packaging aluminum foil generally consists of five parts: the protective layer, the outer aluminum foil printing, base material, the inside printing, bonding layer. The role of protective layer are mainly:


(1) to modify the aluminum foil surface, make the aluminum foil surface bright, smooth, inlaying the aluminum foil on the surface of the small gap.


(2) improve the resistance to acid and alkali erosion ability of aluminum foil, extend the shelf life of drugs.


(3) has a certain hardness and bonding strength, protect the outside of the printing ink, and aluminum foil substrate adhesion is good, don't fall off. At high temperature composite (150-180 ℃) don't make coating because of softening and sticky sticky on the pharmaceutical packaging machine machine stick. This experiment adopts the thermosetting acrylic resin, with appropriate nitrocellulose, additives, solvents and so on, have good heat resistance, adhesion, coating, drying quickly, pulling sex good, excellent pharmaceutical packaging aluminum protection coating.