A method of making heat transfer stickers

Background technology:

Heat transfer printing is a new printing process. Generally speaking, icons or labels can be printed directly on products by heat transfer printing, but special printing equipment is needed. For small-scale enterprises, such production mode costs a lot.

Because the release agent can not be separated from the polyester film layer or the ink layer well during the heat transfer printing, the ink on the ink layer is easy to remain in the PET polyester layer, or the release agent remains too much in the ink layer, which will cause the defects of uneven surface luster and color of the printed pattern after printing, and seriously affect the printing quality; moreover, the tolerance of the printed pattern is poor. Therefore, it is necessary to provide a new heat transfer sticker, which can be applied to different substrate by simply printing icon or label, so as to simplify operation, reduce cost, improve the quality and tolerance of the printed pattern.

Technical implementation elements:

The utility model aims to solve the problems existing in the prior art, and provides a simple and practical heat transfer sticker.

The utility model provides a heat transfer sticker, which comprises the following structural layers in turn:

(A) PET polyester layer;

(B) Polymer release agent layer;

(D) Ink layer;

(E) Hot melt adhesive layer.

Further, a (c) protective reinforcing layer is also included between (b) polymer release agent layer and (d) ink layer.

Further, the thickness of each structural layer is:

(A) PET polyester layer 75-80 μ m;

(B) Polymer release agent layer 2-4 μ m;

(C) Protection enhancement layer 2-3 μ m;

(D) Ink layer 12-20 μ m;

(E) Hot melt adhesive layer 35-45 μ M.

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