Compound bag for packaging drugs and preparation method thereof
A composite bag and packaging technology, applied in the field of pharmaceutical packaging materials, can solve the problems of unsatisfactory moisture barrier, gas barrier, thermal insulation performance, poor barrier performance, poor stability, etc., and achieve broad drug compatibility , to ensure the effect of good barrier performance and thermal stability
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Embodiment 1
[0020] A composite bag for pharmaceutical packaging and a preparation method thereof:
[0021] A composite bag for pharmaceutical packaging, comprising: a heat-sealing layer 1, a barrier layer 2, an aluminum foil layer 3, an adhesive layer 4, and a weather-resistant layer 5; the heat-sealing layer is composed of high melting point metallocene polypropylene and ethylene-octene Copolymer; the composition of the barrier layer is medical or food grade polyvinylidene chloride and oxidized polyethylene; the composition of the aluminum foil layer is aluminum foil; the composition of the adhesive layer is maleic anhydride modified polypropylene and nano silicon dioxide Airgel particles; the weather-resistant layer is composed of low-density polyethylene film.
[0022] The nano-silica airgel particle is a light-weight nano-solid material composed of nano-scale ultrafine particles aggregated to form a nano-porous network structure, and the network pores are filled with a gaseous dispers...
Embodiment 2
[0028] A composite bag for pharmaceutical packaging and a preparation method thereof:
[0029] A composite bag for pharmaceutical packaging, comprising: a heat-sealing layer 1, a barrier layer 2, an aluminum foil layer 3, an adhesive layer 4, and a weather-resistant layer 5; the heat-sealing layer is composed of high melting point metallocene polypropylene and ethylene-octene Copolymer; the composition of the barrier layer is medical or food grade polyvinylidene chloride and oxidized polyethylene; the composition of the aluminum foil layer is aluminum foil; the composition of the adhesive layer is maleic anhydride modified polypropylene and nano silicon dioxide Airgel particles; the weather-resistant layer is composed of low-density polyethylene film.
[0030] The nano-silica airgel particle is a light-weight nano-solid material composed of nano-scale ultrafine particles aggregated to form a nano-porous network structure, and the network pores are filled with a gaseous dispers...
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