Novel cigarette aluminum foil paper based on hot melt adhesive
A technology of hot melt adhesive and aluminum foil paper, which is applied in the field of aluminum foil paper for cigarettes, can solve the problems of large recycling of aluminum foil paper, low secondary use value, and complex pulp components, and achieve high recycling efficiency
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Embodiment 1
[0032] A method for preparing a novel aluminum foil paper for cigarettes based on hot melt adhesive, specifically comprising the following steps:
[0033] 1) Use aluminum foil with a thickness of 0.15mm, straighten the aluminum foil layer slightly through multiple rollers, coat hot melt adhesive on the upper surface of the aluminum foil layer, place a heating plate on the lower surface of the aluminum foil layer, and heat until the temperature near the upper surface of the aluminum foil layer is 120 At about ℃, the hot melt adhesive is completely melted and has a certain leveling property. After drooling for a certain distance, it is extruded by a hot roller until the total thickness of the heated melt adhesive layer on the aluminum foil layer reaches 1.5mm;
[0034] 2) Keep the temperature of the hot melt adhesive layer at 110°C, and spray the mixture evenly on its upper surface. The components of the mixture are: 100 parts of paper powder, 10-15 parts of paper fleece, 3-4 par...
Embodiment 2
[0042] The rest of the steps are exactly the same as in Example 1, except that the rolled aluminum foil layer extruded by the ceramic roller in step 6) is also polished and coated with anti-counterfeiting paint to further enhance the flatness, and the loss rate during the polishing process It is about 2%, which is acceptable. It is also understood from the side that the strength of the rolled aluminum foil layer recovered by the present invention is relatively weak. It may be considered to increase the number of laminated layers and thickness of aluminum foil fragments.
Embodiment 3
[0044] The remaining steps are exactly the same as in Example 1, except that the surface of the pulp layer adhered to the plastic plate in step 6) is also polished to further enhance the flatness. The pulp layer is not damaged during the polishing process. Although the overall thickness is the same after testing, The thickness of the pulp layer and the hot-melt adhesive layer is different, but the average thickness of the pulp layer is greater than 0.1mm, and the integrity of the pulp layer surface can not be damaged after being polished by the grinding roller.
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Abstract
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