A kind of oil agent for carbon fiber precursor
A carbon fiber filament and oil technology, applied in the field of textile oil and oil, can solve the problems of sticking rollers, damage to production and safety of fiber bundles, and increase the workload of on-site personnel, so as to solve the problems of sticking. Roller phenomenon, reduced labor intensity, the effect of wide applicability
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[0036] According to the oil components and parts by mass shown in Table 1 below, mix dimethyl silicone oil, amino silicone oil, polyether silicone oil, and aliphatic polyoxyethylene ether, and stir to make it evenly mixed; slowly add deionized water, Use a homogenizer or a high-speed shear emulsifier to emulsify to obtain an emulsion with a solid content of 30 wt%. The results of measuring the particle size of the emulsion are shown in Table 1.
[0037] Dilute the emulsion with water to 2%, and add it to the oiling tank with circulation function. The spinning stock solution obtained after the dimethyl sulfoxide solution of the PAN copolymer has been treated with single removal and defoaming is sprayed into a certain concentration of DMSO aqueous solution through the spinneret under the action of the metering pump, which is the so-called coagulation bath. In the process, the PAN copolymer is solidified into a fibrous form, and the obtained PAN primary fiber is carried out unde...
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