Fruit-preserving green packing material with ethylene adsorption function and preparation method thereof
A packaging material and functional technology, applied in the field of fruit preservation green packaging materials and their preparation, and fruit preservation green packaging materials, which can solve the problems of low ethylene adsorption efficiency, affecting the strength of corrugated boxes, etc.
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Embodiment 1
[0024] 5 parts of molecular sieve with a Si / Al ratio of 40 and 95 parts of LDPE (low density polyethylene) resin were melt blended to form a film, and the mechanical properties of the film were measured. Then cut and heat seal into 6 fresh-keeping bags of 300*300mm. Put 10 burnt fruits in each plastic bag, take out 10 bananas in one fresh-keeping bag one day later to evaluate the fresh-keeping performance test; take out 10 bananas in the other fresh-keeping bag to analyze the fresh-keeping effect on the second day; take out every day A bag of bananas was tested until the sixth day.
Embodiment 2
[0026] Two parts of molecular sieve with a Si / Al ratio of 5 were melt-blended with 98 parts of LDPE resin to form a film, and the mechanical properties of the film were measured. Then cut and heat seal into 6 fresh-keeping bags of 300*300mm. Hold burnt fruit 10 in each plastic bag, the test of fresh-keeping effect is with embodiment 1.
Embodiment 3
[0028] 10 parts of molecular sieve with a Si / Al ratio of 10 and 90 parts of LDPE resin were melt-blended to form a film, and the mechanical properties of the film were measured. Then cut and heat seal into 6 fresh-keeping bags of 300*300mm. Hold burnt fruit 10 in each plastic bag, the test of fresh-keeping effect is with embodiment 1.
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