White laminated polyester film
AssigneeToyobo Co., Ltd.
InventorsNoriyuki Takagi, Eiji Kumagai, Takeshi Kubo
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Abstract
Provided is a white laminated polyester film that has blocking resistance when water adheres and has excellent adhesion to UV ink. A white laminated polyester film comprising a polyester resin layer and a coating layer on at least one surface of the polyester film substrate, the coating layer being formed by curing a composition containing a urethane resin with a polycarbonate structure and a branched structure, a crosslinking agent, and a polyester resin. The crosslinking agent is preferably a compound containing three or more blocked isocyanate groups.
Claims8
A white laminated polyester film comprising a polyester resin layer and a coating layer on at least one surface of the polyester resin layer,
- wherein the coating layer is formed by curing a composition containing a urethane resin with a polycarbonate structure and a branched structure, a crosslinking agent, and a polyester resin, and
- wherein the white laminated polyester film is a fine-cavity-containing polyester film having an apparent density of 0.3 to 1.3 g/cm3.
Dependencies are inferred from the claim text.