abstract |
The present invention provides a starch-based adhesive for corrugated cardboard that does not impair productivity even if it does not contain a boron compound or contains a small amount of boron compound, thereby increasing the initial adhesive force and improving the bonding speed. [MEANS FOR SOLVING PROBLEMS] A starch-based adhesive for corrugated cardboard containing starch, a hydrous inosilicate mineral and an alkali, and a boron compound content in terms of borax is 0 to 1.5% by mass with respect to starch; Corrugated cardboard sheet bonded with starch adhesive. [Selection figure] None |