High-intensity waterproof type corrugated paper board
A corrugated cardboard, water-resistant technology, applied in the field of packaging materials, can solve the problems of loss of function of corrugated cardboard, inability to take into account the water resistance of corrugated cardboard and the loss of surface strength and strength.
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[0015] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.
[0016] figure 1 It is a structural schematic diagram of a high-strength water-resistant corrugated cardboard according to an embodiment of the present invention; the corrugated cardboard includes a surface layer 1, a middle layer 2 and an inner layer 3, and the three layers are bonded with an adhesive, and the surface layer 1 and the inner layer 3 are cardboard layer, the middle layer 2 is a corrugated paper layer, and a water-repellent coating layer 4 is added on the upper surface of the surface layer 1. The main components of the water-repellent coating layer 4 are: water-based acrylic resin, short glass fibers, and related additives and solvent...
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