| abstract |
(57) [Problem] To provide a release sheet for manufacturing a printed circuit board which is excellent in characteristics such as release property, heat resistance, abrasion resistance, etc., high in safety and easy to handle. Kind Code: A1 A coating agent containing a polyorganosiloxane on at least a part of an aluminum foil, in particular, a monomer (a) having a carbon-carbon unsaturated double bond and a polyorganosiloxane chain in one molecule. 80% by weight; 10 to 80% by weight of a monomer (b) having a carbon-carbon unsaturated double bond and a crosslinkable functional group in one molecule; and the monomer (a) Other than (b) and (b), a polymer (A) composed of 0 to 89% by weight of a monomer having a carbon-carbon unsaturated double bond in one molecule, and 10 to 100 of the monomer (b). And a coating agent containing the polymer (B) comprising the monomer (c) in an amount of 0 to 90% by weight. |