Mold release film
A release film and release layer technology, which is used in film/sheet adhesives, synthetic resin layered products, chemical instruments and methods, etc. The problem of large quantity and high cost of raw materials
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Embodiment 1~22 and comparative example 1~13
[0061] (preparation of samples)
[0062] In Example 1, the release layer resin having the composition shown in Table 1 was supplied to one extruder, and extruded from a single-layer die (300° C.) to form a release single-layer film of a predetermined thickness. In addition, in Example 2, the polymers of the respective compositions shown in Table 1 were supplied to two extruders as the release layer resin and the buffer layer resin, and they were co-extruded from a double-layer die (300° C.) to obtain Release multilayer film of specified thickness.
[0063] In Examples 3 to 22 and Comparative Examples 1 to 13, the polymers of the compositions shown in Table 1 as the release layer resin, buffer layer resin, and release layer resin were supplied to three extruders, and the three-layer die head (300°C) co-extrusion to make a release multilayer film of specified thickness. In addition, in Examples 20 to 22, surface processing was performed by off-line embossing (Ofline Emboss) us...
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