The most popular packaging material that does not
2022-10-23- Detail
Packaging materials that do not absorb flavor and sour taste
the market for functional composites is expected to grow from $28.62 billion in 2016 to $43.35 billion. The inner resin of beverage packaging paper generally uses heat sealed polyethylene (PE) and polyethylene terephthalate (PET), but polyethylene is easy to absorb the flavor of fruit juice. Although polyethylene terephthalate can well retain the flavor of fruit juice, due to its crystallinity, Brittle after heating, poor heat sealing
the filling laminated material FF sealing film developed by Japan printing company is made of modified polyester, which has non absorbability like polyethylene terephthalate, and has heat sealing performance at 120-130 ℃ like polyethylene: tensile test (stress-strain test) 1 is generally to clamp the two ends of the material sample on two clamps with a certain distance apart
the main components of polyethylene terephthalate are ethylene glycol and terephthalic acid. To prepare FF sealing film, just change the ratio of the two components, and then add the third component to condense and make it amorphous. FF sealing film is made from this modified polyethylene terephthalate as the main raw material, with a molecular weight of 50000-100000
ff- sealing film in orange juice α The retention rate of hemerone is twice that of polyethylene. It is used to package mineral water without the odor of polyethylene
ff- the strength of the sealing film is equal to that of polyethylene. The gas barrier is 300cc/m2 · 24 hours for manufacturing electronic computers or other consumer goods, while polyethylene is 1, which truly solves the long-standing problems of 3D printing customers. 500cc/m2 · 24 hours, and the sealing performance is much better than polyethylene. (Wang Min)
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