Release sheet and a method for making thereof
AssigneesAjinomoto Co., Inc., Nippon Printing Co., Ltd.
InventorsKazuhisa Takeshita, Yasuo Takeda
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Abstract
This invention relates to a release sheet which comprises a backing sheet, a release resin layer and a pattern layer, the pattern layer being positioned directly or indirectly on the reverse side of the release resin layer in relation to a peeling surface thereof. The release sheet is useful especially as a release sheet used in making synthetic leather.
Claims17
A release sheet for use in making synthetic leather, which comprises a release resin layer having a first surface on which an embossed pattern complementary to wrinkles, pores and the like inherent in natural leather is formed and a second surface to which a backing sheet and a pattern layer are adhered.
A method for making a release sheet for use in making synthetic leather, which comprises:
- forming a pattern layer on one side of a backing sheet by printing an ink or paint composition;
- forming a release resin layer on the pattern layer by applying a coating liquid of the resin material or by laminating a film of the resin material;
- and then
- embossing the release resin layer to form thereon an embossed pattern complementary to wrinkles, pores and the like inherent in natural leather.
A method for making a release sheet for use in making synthetic leather, which comprises:
- forming a release resin layer on one side of a backing sheet by applying a coating liquid of the resin material or by laminating a film of the resin material;
- embossing the release resin layer to form thereon an embossed pattern complementary to wrinkles, pores and the like inherent in natural leather;
- and then
- forming a pattern layer on the other side of the backing sheet by printing an ink or paint composition.
Dependencies are inferred from the claim text.