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The special spinning oil for modified polyester bulked continuous filament was prepared using compound technology. The mixture of smoothing agent, emulsifier, collecting agent, and antistatic agent at certain proportions shows synergistic effect, which improves the usability of spinning oil on the whole. According to the use of different components, polyoxyethylene ether, polyether, and white oil spinning oil are synthesized, respectively. The basic performances of self-made spinning oil are better than those of a commercially available spinning oil, and its production rate can reach 93%.

Study on composite spinning oil for polyester bulked continuous filament with high efficiency