Rock plate composite board and preparation method thereof
A composite board and rock board technology, applied in chemical instruments and methods, climate change adaptation, lamination, etc., can solve problems affecting the anti-corrosion performance of galvanized boards, hot-dip galvanized boards are difficult to composite rock boards, and the composite effect is poor , to achieve the effect of maintaining anti-corrosion performance, improving slate performance, flexural strength and impact resistance
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[0065] The present application also provides a method for preparing a rock slab composite panel, comprising: providing a groove on the galvanized sheet, and arranging an adhesive on the back of the rock slab or on the surface of the galvanized sheet where the groove is provided, The rock plate and the galvanized plate are adhered and bonded.
[0066] The preparation method of the rock board composite board of the present application further comprises: covering the edge of the cut rock board with a sticker. After the adhesive tape is attached to the edge of the rock slab, it has a strong adsorption force, which can prevent the adhesive flowing out of the adhesive layer from contacting the surface of the rock slab and causing pollution to the surface of the rock slab. This kind of sticker can be made of paper tape, which is sticky on one side, has good adherence, and has excellent solvent resistance, acid and alkali resistance, and will not leave any marks on the surface of the ...
Embodiment 1
[0084]The rock slab composite panel in this embodiment includes rock slabs, an adhesive layer and a galvanized sheet bonded to the lower surface of the rock slab through the adhesive layer. mm. There is a serpentine groove on the bonding surface of the galvanized sheet. The groove is distributed on both sides of the diagonal line from one side of the galvanized sheet along the diagonal line through 8 times, and extends to the opposite side. The cross section is V-shaped, the width of the groove is 3mm, the depth of the groove is 0.3mm, the schematic diagram of the distribution of the serpentine groove on the galvanized sheet, see figure 1 shown.
[0085] The adhesive used for bonding is a two-component polyurethane composite adhesive. The mass ratio of the active hydrogen component of the two-component polyurethane composite adhesive to the polyurethane prepolymer component is 5:1. The parts by mass include 150 parts of TDI, 350 parts of polyether, 30 parts of DMPA, 17 parts...
Embodiment 2
[0093] The rock slab composite panel in this embodiment includes rock slabs, an adhesive layer and a galvanized sheet bonded to the lower surface of the rock slab through the adhesive layer. mm. There is a wave-shaped groove on the bonding surface of the galvanized sheet. The groove extends from one side of the galvanized sheet to the opposite side through two diagonal bends. The cross-section of the groove is V-shaped. The width of the groove is 4mm and the depth of the groove is 0.2mm.
[0094] The adhesive used for bonding is a two-component polyurethane composite adhesive. The mass ratio of the active hydrogen component of the two-component polyurethane composite adhesive to the polyurethane prepolymer component is 5:1. The parts by mass include 150 parts of TDI, 350 parts of polyether, 30 parts of DMPA, 17 parts of TEA, 2 parts of chain extender DE901, 68 parts of acetone, and the polyurethane prepolymer components include 16 parts of TDI, 16 parts of acetone. IPDI, 13 ...
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Abstract
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