Packing material, base material for adhesive tape, or separator
A packaging and adhesive tape technology, applied in the field of sanitary products, can solve the problem of high cost
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Embodiment 1
[0058] Prepare the release agent with 100 parts by weight of cationic polymerized UV-curable siloxane release agent and 2 parts by weight of the salt photoinitiator, and apply the release agent to one side of a low-density polyethylene film with a thickness of 30 μm, and the thickness reaches 0.7 μm. μm. After irradiating with ultraviolet light to form a cured film, the sheet is stretched to obtain the packaging material, base material for adhesive tape or separator of the present invention. Its stretching method (discontinuous processing condition of release agent layer) uses a stretching machine to carry out stretching treatment along the longitudinal direction (MD) and transverse direction (TD) of the sheet, and the stretching ratio is 1.2 times. (Example 2)
Embodiment 2
[0059] Except preparing stripping agent with 100 parts by weight of addition reaction heat-curing type siloxane release agent and 2 parts by weight of platinum series curing catalyst, as curing conditions form cured film with hot air drier, other are the same as embodiment 1, make The packaging material, base material for adhesive tape or release sheet of the present invention is obtained. (Example 3)
Embodiment 3
[0060] Except that the free-radical polymerized acryloyl-modified electron-ray-curable siloxane release agent is used as the release agent, and electron beam radiation is used as the curing condition to form a cured film, the others are the same as in Example 1 to obtain the packaging material of the present invention. , Adhesive tape substrate or release sheet. (comparative example 1)
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