PROCESSING BASE PAPER

摘要

PROBLEM TO BE SOLVED: To provide processing base paper which has excellent dimensional stability and excellent mold release agent sealability and can be recycled as a raw material for producing paper. SOLUTION: This processing base paper produced by impregnating substrate paper using wood pulp having a Canadian standard freeness of 300 to 500 ml with an acrylic resin having a glass transition temperature of 20 to 100°C and then disposing a sealing layer comprising at least a pigment and a binder on at least one side of the impregnated substrate paper is characterized in that the binder is a latex having a gel content of≥80%, and the pigment/latex mass ratio of the sealing layer is 100/45 to 100/15. COPYRIGHT: (C)2007,JPO&INPIT