Aldehyde-free health decorative material and its preparation method
A decorative material, a healthy technology, applied in the field of preparation of formaldehyde-free healthy decorative materials, the decorative material can solve problems that threaten people's health, and achieve the effect of improving stability
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Embodiment 1
[0022] Example 1 Preparation of 10mm poplar plywood
[0023] (1) Raw material processing: Put the poplar wet-medium peeled board into the immersion tank with an ammonia water concentration of 28%, cover and seal it and soak for 36 hours, take it out and dry it in a dryer until the moisture content is 10-16%, and cool it spare.
[0024] (2) Glue adjustment: use 100 parts of starch-modified white latex and 10 parts of polymethyl polyphenylisocyanate two-component glue, measure and stir evenly with a mixer for later use.
[0025] (3) Glue sizing: Pour the adjusted two-component glue into the glue tank of the glue applicator, and adjust the amount of glue applied on one side to 180g / m 2 , sizing poplar mid-board.
[0026] (4) Cold pressing: stack the gluing poplar mid-boards vertically and horizontally (or in the same direction), and send them to a 600-ton cold press, and adjust the pressure to 10kg / cm 2 , pre-pressed for 30 minutes into a slab.
[0027] (5) Hot pressing: put ...
Embodiment 2
[0029] The preparation of embodiment 2 18mm particleboard
[0030] (1) Raw material processing: Put the wet bamboo and wood chips cut by the chipper into the immersion tank with an ammonia concentration of 28%, cover and seal for 30 hours, take it out and dry it in a dryer until the moisture content is 10-16% , cooled and set aside.
[0031] (2) Use 100 parts of starch-modified white latex and 8 parts of polymethyl polyphenylisocyanate two-component glue, measure and stir evenly with a mixer for later use.
[0032] (3) Glue sizing: Pour the adjusted two-component glue into the glue tank of the glue applicator, and adjust the amount of glue applied on one side to 180g / m 2 , sizing poplar mid-board.
[0033] (4) Cold pressing: use the shaving paving machine to carry out directional or non-directional paving and assembly of the glued bamboo / wood chips, and then send the blanks to a 600-ton cold pressing machine, and adjust the pressure to 9kg / cm 2 , pre-pressed for 30 minutes ...
Embodiment 3
[0036] The preparation of embodiment 3 18mm blockboard
[0037](1) Raw material treatment: put the rotary-cut wet middle board and the saw-cut wet wood strips into the soaking pool with an ammonia water concentration of 28%, cover and seal for 48 hours, take them out and dry them in a dryer until the water content is 10-16%, after cooling, use a wood planer or sander to plan or sand the small wooden strips into the required thickness and width, and use a sawing machine to saw both sides of the lower wooden strips for use.
[0038] (2) Glue adjustment: Use 100 parts of starch-modified white latex and 6 parts of polymethyl polyphenylisocyanate two-component glue, measure and stir evenly with a mixer for later use.
[0039] (3) Glue sizing: Pour the adjusted two-component glue into the glue tank of the glue mixer, and adjust the amount of glue applied on one side to 200g / m 2 , Double-sided sizing of small wooden strips.
[0040] (4) Cold pressing: first lay a processed middle p...
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