Additive for stopping leakage of fiber reinforced plastic pipe under water and method for stopping leakage through same
A technology of adding materials and glass fiber reinforced plastics, applied in chemical instruments and methods, other chemical processes, etc., can solve the problems of waste of fluid resources in the pipe, difficult and inconvenient fluid discharge, and achieve the effect of reducing labor costs and waste of fluid materials in the pipe
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Embodiment 1
[0021] Embodiment 1: a kind of glass fiber reinforced plastic pipeline water-carrying plugging additive, it is made of the following components by weight ratio:
[0022] Unsaturated polyester resin accounts for 42%; FRP powder accounts for 35%; calcium oxide accounts for 23%.
Embodiment 2
[0023] Embodiment 2: a kind of glass fiber reinforced plastic pipeline water-carrying plugging additive, it is made of the following components by weight ratio:
[0024] Unsaturated polyester resin accounts for 62%; FRP powder accounts for 25%; calcium oxide accounts for 13%.
Embodiment 3
[0025] Embodiment 3: A kind of glass fiber reinforced plastic pipeline water-carrying plugging additive, it is made of the following components by weight ratio:
[0026] Unsaturated polyester resin accounts for 52%; FRP powder accounts for 30%; calcium oxide accounts for 18%.
[0027] A method for plugging using the above-mentioned plugging additive, which comprises the following steps:
[0028] A. Leakage pretreatment: first clean the leaking part of the FRP pipe, and properly polish the periphery of the leaking hole, so that the plugging material can fit better with the pipe wall;
[0029] B. Prepare plugging additives: prepare plugging additives according to the above-mentioned weight ratio, dry and pulverize them into powder for later use;
[0030] C, prepare functional resin: take appropriate amount of resin according to the size of the water leak, and add accelerator, curing agent and coupling agent respectively in the resin, mix and stir evenly, wherein, the accelerato...
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