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Color fixed island composite short fiber and preparation method thereof

A production method and short fiber technology are applied in the field of colored fixed-island composite nylon short fiber and its production field, which can solve problems such as poor fluffing effect, difficult removal of dust, and insufficient color, and achieve high color fastness, easy removal, colorful effect

Active Publication Date: 2012-08-29
HUAFON MICROFIBER SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this patent uses the indefinite island blending melt spinning method to produce sea-island short fibers. The number of islands is different, the denier is different, and the length is different. Therefore, some shortcomings of indeterminate island synthetic leather still appear, such as: the color is not bright enough, Dust is not easy to remove after dermabrasion, the fluffing effect is not good after dermabrasion, and the velvet feeling is not strong, etc.

Method used

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  • Color fixed island composite short fiber and preparation method thereof
  • Color fixed island composite short fiber and preparation method thereof
  • Color fixed island composite short fiber and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Nylon 6 chips, nylon-based coloring masterbatch (brown masterbatch, pigment weight content 30%) and polyethylene grafted acrylic acid (PE-g-AA, Shenyang Kingsway Rubber Technology Co., Ltd.) are 70 by weight: After 4:1 mixing, add to the island component silo, and add low-density polyethylene chips to the sea component silo.

[0038] Add the material in the silo to the respective screw extruders to heat, extrude, and melt to become a spinnable melt, and spin after being measured respectively according to the weight ratio of the island component and the sea component at 75:25 (sea group The temperature of the spinning box of the component is 150°C, the temperature of the spinning box of the island component is 295°C, and the spinning speed is 700m / min). Cooling and forming, the cooled tow is oiled by a pair of oiling rollers, then clustered and dropped into the barrel (the falling speed is 700m / min), and stored in the silk barrel. The oil used is: the weight concentratio...

Embodiment 2

[0042]Nylon 6 slices, nylon-based coloring masterbatch (blue masterbatch, pigment weight content 45%) and polypropylene grafted maleic anhydride (PP-g-MAH, Qinhuangdao Keruida Polymer Material Co., Ltd.) by weight 39.2:0.3:0.5 is mixed evenly and then added to the island component silo, and low-density polyethylene is added to the sea component silo. Add the material in the silo to the respective screw extruders to heat, extrude, and melt to become a spinnable melt, and spin after being measured respectively according to the weight ratio of the island component and the sea component at 40:60 (sea group The temperature of the spinning box of the component is 170°C, the temperature of the spinning box of the island component is 285°C, and the spinning speed is 500m / min), and the fine flow of the melt ejected from the spinneret hole is passed through the ring blowing to form the filaments. Cooling and forming, the cooled tow is oiled by a pair of oiling rollers, then clustered, d...

Embodiment 3

[0046] Nylon 6 slices, nylon-based coloring masterbatch (black masterbatch, pigment weight content 15%) and polyethylene grafted maleic anhydride (PE-g-MAH, Hebei Tianqi Plastic Co., Ltd.) in a weight ratio of 30:25 : 2 Add the island component silo after mixing evenly, and add the low-density polyethylene into the sea component silo. Add the material in the silo to the respective screw extruders to heat, extrude, and melt to become a spinnable melt, and spin after being measured respectively according to the weight ratio of the island component and the sea component at 55:43 (sea group The temperature of the spinning box of the component is 120°C, the temperature of the spinning box of the island component is 295°C, and the spinning speed is 1200m / min), and the fine flow of the melt ejected from the spinneret hole is passed through the ring blowing to form the filaments. Cooling and forming, the cooled tow is oiled by a pair of oiling rollers, then clustered, dropped into the...

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Abstract

The invention provides a color fixed island composite short fiber and a preparation method thereof. The color fixed island composite short fiber comprises the following components by weight: 25-60 percent of low density polyethylene, 30-70 percent of nylon (6), 0.01-25 percent of nylon base coloring master batch and 0-4 percent of compatilizer. Compared with the prior art, the number of the islands of the color fixed island composite short fiber is fixed, as well as the size and the distribution of the short fiber are regular; color super-fine fiber synthetic leather prepared by adopting the preparation method has the advantages of bright and uniform color, high color fastness, no color difference between different batches, uniform carding, strong woolen sensation, high abrasion resistance, easiness in removing of dust after leather abrading, low probability of dust dropping during friction and the like; and besides, high energy consumption and high pollution dyeing process is simplified, and the preparation cost is reduced to a great extent.

Description

technical field [0001] The invention relates to an island-fixed composite staple fiber, in particular to a colored island-fixed composite nylon staple fiber and a production method thereof. Background technique [0002] The existing domestic nylon-based colored superfine fiber synthetic leather is generally made of nylon as the island component and polyethylene as the sea component to prepare sea-island short fibers, and the fineness is obtained by using the indeterminate island blending melt spinning method or the fixed island composite spinning method. After the island-in-the-sea staple fibers of 3-8dtex are processed, they are processed into a high-density non-woven fabric with a three-dimensional network structure, filled with polyurethane with a microporous structure, and the bundled ultra-fine fiber is obtained by reducing the fiber size. Polyurethane synthesis Leather base cloth, after the base cloth is peeled and smoothed, dyed with dyes, and then finished by oiling,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01F8/06D01F8/12D01D5/30D02G1/00
Inventor 王贺玲王克亮刘文辉孙向浩吴义根
Owner HUAFON MICROFIBER SHANGHAI
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