Repairing material for liquid leakage, reparing method for liquid leakage, and pipeline
A technology for repairing materials and liquid leakage, applied to chemical instruments and methods, pipe components, pipes/pipe joints/fittings, etc., can solve the problems of multiple processes and poor simplicity
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Embodiment 1
[0272]
[0273] In the compounding described in Table 1-1, the components described in the item "binder" were mixed in the compounding ratio in Table 1-1. The filler was added to the obtained mixture at the compounding ratio of Table 1-1, and planetary stirring was performed at a rotation speed of 2000 rpm using a planetary mixer (AR-250: manufactured by THINKY). Through the above operations, an active energy ray-curable composition as a liquid leakage repairing material was produced.
Embodiment 2～14、 comparative example 2
[0275] Except having changed each composition in Example 1 to the composition described in Table 1-1 - Table 1-4, it carried out similarly to Example 1, and produced the active energy ray curable composition as a liquid leakage repair material.
[0276] 〔Measurement, evaluation〕
[0277] The following measurements and evaluations were performed. The results are shown in Table 1-1 to Table 1-4.
[0278]
[0279] Viscosity was measured using a rheometer. Specifically, viscosity measurement was performed using AR-G2 manufactured by TA Instruments. Use a cone plate with a diameter of 20mm and an angle of 2° at a temperature of 25°C at a shear rate of 0.1s -1 to measure.
[0280]
[0281] After contacting the surface of the leak repair material with the stainless steel spatula for 0.5 seconds, when the leak repair material and the scraper are separated, visually confirm whether the leak repair material is drawn, that is, whether the scraper and the leak repair material are ...
Embodiment 15
[0336]
[0337] Using the active energy ray-curable composition of Example 10 as the first liquid leakage repairing material and the second liquid leakage repairing material, the following liquid leakage repairing method was performed.
[0338] First, if Figure 1A As shown, a pipe 1 having a liquid leakage portion 1a (pinhole: 1 mm in diameter) was prepared. Fill pipe 1 with liquid 2 (a mixture of high-voltage insulating oil A (JIS C2320 insulating oil A, type: 1 type) and water at a mass ratio of 1:1 manufactured by JXTG Energy Co., Ltd.) and leak out of pipe 1 from leaking part 1a of liquid 2.
[0339] First, the first liquid leakage repair material 3 which is an active energy ray curable composition is applied around the liquid leakage portion 1a of the pipe 1 by smearing so as not to contact the liquid 2 leaked from the liquid leakage portion 1a. Cloth into a cylindrical shape (outer diameter 5mm, inner diameter 3mm, height (thickness) 5mm) ( Figure 1B ).
[0340] N...
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