A kind of production method of cabinet board
A technology for cabinets and slabs, which is applied in the production field of cabinet panels, can solve the problems that cabinet door panels are easily stained with dirt, the glass panel structure is fragile and not firm, etc., and achieves avoiding gel effect, good dimensional stability, and formaldehyde. The effect of less release
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preparation example Construction
[0035] The specific steps of the preparation process of the particle board are: (1) drying: drying the wood shavings until the moisture content of the core layer is 2-4%, and the moisture content of the surface layer is 5-9%; (2) mixing: the core layer The amount of shavings is added with a coupling agent and mixed evenly with the core shavings; (3) Glue application: sizing the surface shavings with 4-10% of the amount of surface shavings; (4) Mixing: the step (2) The obtained core layer shavings and expandable polystyrene particles are mixed evenly in proportion; (5) Press plate: the material obtained in step (3) is laid on the upper and lower surfaces of the slab, and the center layer of the slab is made of the material obtained in step (4). Material assembly; then pre-pressing, the pre-pressing pressure is 0.2-2MPa, time 2-10min; finally hot-pressing, hot-pressing pressure 1.2-3MPa, temperature 195-210 ℃, hot-pressing time per mm plate thickness 70s~90s, the particleboard i...
Embodiment 1
[0048] 1. Dry the wood shavings until the moisture content of the core layer is 2%, and the moisture content of the surface layer is 5%, and get 120 parts of the surface shavings and 330 parts of the core shavings, wherein the shavings are the chopped fibers used in the production of particleboard;
[0049] 2. Spray 4 parts of coupling agent vinyltrimethoxysilane on the surface of the core shavings by atomizing compressed air;
[0050] 3. Mix 10 parts of waterproof modified urea-formaldehyde resin, wherein the waterproof modified urea-formaldehyde resin glue is formulated according to the weight of isobutyl triethoxysilane: modified urea-formaldehyde resin: polyvinyl acetate emulsion = 0.4:55:4 After stirring and mixing evenly, use a three-roll mill to grind for 30 minutes to prepare, and the resin is usually atomized with compressed air and sprayed on the surface of the surface shavings;
[0051] 4. Mix the core shavings obtained in step 2 with 45 parts of expandable polystyr...
Embodiment 2
[0055] 1. Dry wood shavings until the moisture content of the core layer is 3%, and the moisture content of the surface layer is 7%, and get 160 parts of surface shavings and 660 parts of core shavings, wherein the shavings are wood bran used in particleboard production;
[0056] 2. Spray 6 parts of coupling agent vinyltrimethoxysilane on the surface of the core shavings by atomizing compressed air;
[0057] 3. Mix 14 parts of waterproof modified urea-formaldehyde resin, wherein the waterproof modified urea-formaldehyde resin glue is formulated according to the weight of isobutyl triethoxysilane: modified urea-formaldehyde resin: polyvinyl acetate emulsion = 0.7:60:6 After stirring and mixing evenly, use a three-roll mill to grind for 30 minutes to prepare, and the resin is usually atomized with compressed air and sprayed on the surface of the surface shavings;
[0058] 4. Evenly mix the core shavings obtained in step 2 with 90 parts of expandable polystyrene, and the particle...
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