Flexible secondary gas separator with improved fatigue strength and method of making the same
A gas separator and fatigue technology, applied in chemical instruments and methods, gas/liquid distribution and storage, fluid treatment, etc., to achieve the effect of improving repeated fatigue resistance and highly improving fatigue resistance
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Embodiment 1
[0076] Two pieces of aminosilane surface treated glass fiber yarns (E glass, G 75) were stacked at 4.0 TPI by cable / strand twisting respectively, and the resulting plied yarn (ECG 75 1 / 2) was applied at the warp, And two sheets of aramid fiber yarns (600 denier) surface-treated with aminosilane were stacked at 4.0TPI by cable / strand twisting respectively, and the resulting plied yarn (1 / 2) was applied at the weft . Thus, the reinforcing fabric was woven by a plain weaving method with a weaving density of 32 counts / inch for the warp and 26 counts / inch for the weft.
[0077] After performing a reinforcement molding process of integrally molding a urethane adhesive sheet on one side of the obtained reinforcement fabric, the reinforcement layer integrated with the urethane adhesive sheet was laminated on both sides of the aluminum foil. Then, by continuously molding the laminate with a rotary curing molding machine, a secondary separator laminate was obtained. The resulting seco...
Embodiment 2
[0079] A secondary separator laminate was fabricated in the same manner as in Example 1, except that plied yarn (ECG 75 1 / 2) and plied yarn (1 / 2), the ply yarn (ECG 75 1 / 2) is made by plying two pieces of aminosilane surface-treated glass fiber yarn (E glass, G75) each twisted by cable / strand of 4.0TPI , and the ply yarn (1 / 2) was made by plying two pieces of aminosilane surface-treated aramid fiber yarn (600 denier) each twisted by cable / ply of 4.0 TPI.
Embodiment 3～5 and comparative example 1～3
[0081] A secondary separator laminate was manufactured in the same manner as in Example 1 except that the type and thickness of the fiber yarn constituting the reinforcement fabric, the weaving density, and the weaving form were the same as in Table 1 below.
[0082] Table 1
[0083]
[0084] Table 2 shows the measurement results of each fatigue fracture strength of the secondary separator laminate of the present invention and other laminates. Fatigue failure strength refers to the number of times the experiment is repeated until the sample is broken when a force of 2.23mm displacement is repeatedly added to it after the sample undergoes a cooling process until it is stabilized and has no thermal shrinkage in a chamber maintained at -139°C .
[0085] Table 2
[0086]
[0087] As shown in Table 2, in the case of the secondary gas separator produced by applying the reinforcing fabric described in the example, it was confirmed that the fatigue resistance was improved comp...
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