Production technology of liqid pseticide flexible packaging film
A production process and packaging film technology, which is applied in the production process field of liquid pesticide packaging soft film, can solve the problems of large energy consumption, human body pollution, injury, etc., and achieve the effect of strong mechanical properties, wide application, and anti-fading mechanical properties
Inactive Publication Date: 2004-10-20
上海人民塑料印刷厂有限公司
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Problems solved by technology
[0002] Most of the traditional liquid pesticide packaging is packaged in glass bottles. However, glass bottles not only consume a lot of energy in production, but also cause environmental pollution and human injury in storage and transportation due to the easy breakage of glass products.
With the continuous improvement of composite technology and the wide application of new materials, people have begun to apply soft packaging technology to the packaging of pesticides, such as patent (No.87215870.5) for powder and granular pesticide packaging, while patent (No.95204234.7) It has been applied to the packaging of liquid pesticides, but there is a leakage problem for solvent-based pesticides containing benzene components that are highly soluble, corrosive, and volatile
Method used
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[0009] exist figure 1 Middle: 1-modified polypropylene film (CPP), 2-nylon film (NL), 3-aluminum foil (AL), 4-modified polyester film (PET)
[0010] by figure 1 , 2 As the best embodiment of the production process of the present invention, firstly, the pattern to be printed is printed on the modified polyester film 4, and then the aluminum foil 3 is dry-laminated for the first time with a medium-resistant adhesive. After lamination, winding, and curing; in the same way, the other side of the nylon film 2 and the aluminum foil 3 are dry compounded for the second time, and the third dry compound is the other side of the nylon film 2 and the modified polypropylene film. Composite of 4 rooms.
[0011] In the actual use of the product, the invention has better anti-leakage performance for solvent-type pesticides.
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A process for preparing the packing film for agricultural liquid chemical features that 4 films (modified polyester film PET, aluminium foil AL, nylon film NL and modified polypropene film CPP) and combined in dry mode, and includes such steps as coating a medium-resistant adhesive on one surface of said PET, adhering it with said AL, solidifying, coating said adhesive on one surface of said NL, adhering it with another surface of said AL, solidifying, coating said adhesive on one surface of said CPP, adhering it with another surface of said NL and solidifying.
Description
Technical field [0001] The invention relates to a production process of a packaging material, in particular to a production process of a flexible film used for liquid pesticide packaging. Background technique [0002] Most of the traditional liquid pesticide packaging is packaged in glass bottles. However, glass bottles not only consume a lot of energy in production, but also cause environmental pollution and human injury in storage and transportation due to the easy breakage of glass products. With the continuous improvement of composite technology and the wide application of new materials, people have begun to apply soft packaging technology to the packaging of pesticides, such as patent (No.87215870.5) for powder and granular pesticide packaging, while patent (No.95204234.7) It has been applied to the packaging of liquid pesticides, but there is a leakage problem for solvent-based pesticides containing benzene components that are highly soluble, corrosive, and volatile. ...
Claims
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Inventor 陈从公包燕敏蔡明玉金峰陈伟良任勇强
Owner 上海人民塑料印刷厂有限公司