Black masterbatch, nylon 6 fiber and preparation method of black masterbatch and nylon 6 fiber

Abstract

The invention relates to a porous fine-denier dope dyeing nylon 6 fiber. The nylon 6 fiber is prepared from the following raw materials in parts by weight: 7-10 parts of black masterbatch and 90-93 parts of polyamide 6 slices, wherein the black masterbatch is prepared from the following raw materials in parts by weight: 20-30 parts of carbon black, 5-15 parts of a dispersant, 0.05-0.15 parts of an antioxidant and 54-75 parts of polyamide 6 slices. The invention further provides a preparation method of the black masterbatch and the porous fine-denier dope dyeing nylon 6 fiber. The porous fine-denier dope dyeing nylon 6 fiber has the characteristics of fewer broken filaments, good evenness, higher breaking strength, uniform color, high color fastness and the like and meets the post-processing use requirement, and the prepared porous fine-denier dope dyeing nylon 6 fiber has fewer ossified and broken filaments, higher breaking strength, uniform color and high color fastness and meets requirements of customers.

Description

technical field [0001] The invention relates to the technical field of chemical fibers, in particular to a black masterbatch, a porous fine denier stock solution colored nylon 6 fiber and a preparation method thereof. Background technique [0002] Printing and dyeing is a key link in the textile industry chain to increase the added value of nylon fibers, which can bring bright colors and fashionable effects to textiles and clothing. However, with the implementation of national energy-saving and environmental protection policies, environmental protection requirements have been increasing year by year, and the printing and dyeing industry has been exposed to the problem of environmental pollution caused by dyeing wastewater and waste gas. [0003] Therefore, it is necessary to be able to achieve dope coloring of nylon fibers, that is, to form colored masterbatches after coloring the polyamide melt, and to produce dope-dyed nylon 6 fibers by adding colored masterbatches, in ord...

AI Technical Summary

Problems solved by technology

However, these stock solution dyed black nylon 6 fibers, due to the small number of fibers, have a hard handle, poor fineness, and low breaking strength, which affects the expansion of product application fields.

[0005] In the production process of porous fine denier stock solution dyed black nylon 6 fiber, the increase in the number of spinneret holes is likely to cause problems such as floating yarn and broken ends in the production process of nylon 6 fiber. Blackness, the production of porous fine denier dope-colored black nylon 6 fiber needs to add a higher weight of black masterbatch, which will easily cause the carbon black in the black masterbatch to agglomerate during the spinning process, causing the component pressure to rise rapidly and filter Net clogging, causing fiber breakage, affecting production continuity and yarn quality

Porous fine denier stock solution dyed nylon 6 fiber needs to meet quality requirements such as less fluff, higher breaking strength, uniform color and high color fastness, but the existing production methods cannot meet these requirements

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