A water-based adhesive bonding method for large-area rail passenger car floor
A technology of rail passenger car and bonding method, which is applied in the direction of surface pretreatment bonding method, adhesive heating bonding method, adhesive, etc., and can solve the problems of inability to guarantee the bonding of floor cloth, water-based adhesive bulging, huge tension, etc. problems, to achieve the effect of solving water-based glue bulges, effective activation, and simple operation
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Embodiment 1
[0069] The first step, floor cloth, floor pretreatment;
[0070] Step 1. Flatten the 0.6m×12m floor covering: transport the rolled rubber floor covering to the work site 36 hours before the start of construction, and lay the floor covering flat for 36 hours;
[0071] Step 2. Floor cloth treatment: sand the rubber floor cloth with sandpaper, then use a dust-free cloth to thoroughly clean the dust on the surface, and then wipe the floor cloth surface with isopropyl alcohol.
[0072] Step 3. Floor pretreatment: sand the aluminum alloy floor with sandpaper, then use a dust-free cloth to thoroughly clean the dust on the surface, and then wipe the floor surface with isopropyl alcohol.
[0073] The second step, floor cloth, floor glue;
[0074] Step 1. The treated water-based polyurethane glue is applied on the floor cloth and the floor respectively by spraying, and the glue amount of the water-based glue for the floor and floor cloth is 80g / m2 2 ;
[0075] Step 2: After the coati...
Embodiment 2
[0080] The first step, floor cloth, floor pretreatment;
[0081] Step 1. Flatten the floor covering of 2m×6m: 48 hours before the start of construction, transport the PVC floor covering in rolls to the work site, and lay the floor covering flat for 48 hours;
[0082] Step 2. Floor cloth treatment: Polish the PVC floor cloth with sandpaper, then use a dust-free cloth to thoroughly clean the dust on the surface, and then wipe the surface of the floor cloth with industrial alcohol.
[0083] Step 3. Floor pretreatment: Sand the aluminum honeycomb floor with sandpaper, then use a dust-free cloth to thoroughly clean the surface dust, and then wipe the floor surface with industrial alcohol.
[0084] The second step, floor cloth, floor glue;
[0085] Step 1. Apply the treated water-based acrylate glue on the floor cloth and the floor respectively by roller coating, and the gluing amount of the water-based glue for the floor and floor cloth is 800g / m 2 ;
[0086] Step 2: After the c...
Embodiment 3
[0091] The first step, floor cloth, floor pretreatment;
[0092] Step 1. Flatten the floor covering of 1.2m×8m: 42 hours before the start of construction, transport the rolled polyurethane floor covering to the work site, and lay the floor covering flat for 42 hours;
[0093] Step 2. Floor cloth treatment: Wipe the surface of the polyurethane floor cloth with industrial alcohol.
[0094] Step 3. Floor pretreatment: Wipe the MDF floor surface with industrial alcohol.
[0095] The second step, floor cloth, floor glue;
[0096] Step 1. Apply the treated water-based epoxy glue on the floor cloth and the floor respectively by brushing, and the glue amount of the water-based glue for the floor and floor cloth is 200g / m2 2 ;
[0097] Step 2. After the coating is completed, air dry for 20min at 25°C ambient temperature to form a layer of transparent film on its surface.
[0098] The third step, the floor cloth is attached to the floor, activated, and the bonding is completed.
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Abstract
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