Sheet for forming burned pattern
AssigneeNitto Denko Corporation
InventorsKatsuya Kume, Yutaka Tosaki, Hidetoshi Itou, Katsuyuki Okazaki, Mitsuo Kuramoto
Life of this patent
Estimating the term…
Loading patent…
AssigneeNitto Denko Corporation
InventorsKatsuya Kume, Yutaka Tosaki, Hidetoshi Itou, Katsuyuki Okazaki, Mitsuo Kuramoto
Estimating the term…
A sheet for forming a burned pattern is provided which comprises a ceramic green sheet layer (1) to be burned and a pressure-sensitive adhesive layer (2), wherein the pressure-sensitive adhesive layer comprises either a single layer decomposable at low temperature and leaving a decreased amount of carbonaceous residues after burning or a laminated layer comprising at least two layers of an inner pressure-sensitive adhesive layer (21) which is the low-temperature-decomposable layer and an outer pressure-sensitive adhesive layer (22) having resistance to water washing. The pressure-sensitive adhesive layer of the sheet for forming a burned pattern shows excellent provisional adhesion to adherends before burning. In particular, the outer pressure-sensitive adhesive layer shows such adhesive strength that the sheet is prevented from peeling off upon water washing. Even when the ceramic green sheet layer is one formed by a conventional manner, the pressure-sensitive adhesive layer disappears at lower temperature during burning the green sheet layer while showing satisfactory thermal decomposability. The sheet for forming a burned pattern as a whole is thus less apt to leave carbon, tar, etc.
A sheet for forming a burned pattern comprising a ceramic green sheet layer to be burned and a pressure-sensitive adhesive layer, wherein the pressure-sensitive adhesive layer comprises a methacrylic acid polymer having a methacrylic ester content of 80% by weight or higher and a glass transition temperature of 30° C. or lower, and leaves a decreased amount of carbonaceous residues after burning.
A sheet for forming a burned pattern comprising a ceramic green sheet layer to be burned and a pressure-sensitive adhesive layer, wherein the pressure-sensitive adhesive layer comprises a laminated layer comprising at least two of an inner pressure-sensitive adhesive layer which comprises a methacrylic acid polymer having a methacrylic ester content of 80% by weight or higher and a glass transition temperature of 30° C. or lower and leaves a decreased amount of carbonaceous residues after burning and an outer pressure-sensitive adhesive layer having resistance to water washing.
Dependencies are inferred from the claim text.