Brief introduction to the technological requirements of melamine dipped paper

For the veneer treatment of melamine impregnated paper, the resin on the impregnated paper is melted, spread and solidified to form a uniform and closed surface.
According to the requirements of melamine dipped paper, the curing temperature is 150-160 degrees Celsius. For this reason, the hot pressing plate of the short-cycle press should be heated to 190-200 degrees Celsius, and there is a layer between the slab and the hot pressing plate. Cushion. Thirdly, when the melamine resin is cured, under the action of the temperature of the hot press, the interior of the resin begins to crosslink, and the low molecular weight polymer is polycondensed into a high molecular weight polymer with the loss of moisture. It should be noted that after the veneer process is completed, the curing of the resin may continue, and the heat of the veneer itself cannot be dissipated, which will excessively harden the surface resin layer, which can also reduce the strength and cause surface cracks.
Appropriate pressure can ensure a good bond between the board and the paper, make the resin in the melamine dipped paper flow evenly, and form a closed, non-porous surface; make up.
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