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A sea-island type composite fiber with excellent color strength, and its suede like fabrics

A composite fiber, sea-island technology, applied in conjugated synthetic polymer rayon, household appliances, household refrigeration devices, etc., can solve the problems of complicated process, impossible to introduce pigments, etc., and achieve easy processing and low pollution. Effect

Inactive Publication Date: 2006-04-05
KOLON IND INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, additional equipment including side feeder, etc. is required, and masterbatches for separation purposes are produced, which complicates the process
Moreover, there is another disadvantage that it is impossible to introduce pigment into the island component when the diameter of the island component is close to the diameter of the pigment or smaller than the diameter of the pigment.

Method used

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  • A sea-island type composite fiber with excellent color strength, and its suede like fabrics
  • A sea-island type composite fiber with excellent color strength, and its suede like fabrics
  • A sea-island type composite fiber with excellent color strength, and its suede like fabrics

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0069] By using an ionic copolymer polyester which can be dissolved in an aqueous sodium hydroxide solution as a sea component, and an island component which is copolymerized (contained) in polyethylene terephthalate as a main component containing 1 Copolymer polyester of mol% neopentyl glycol (neo-pentylglycol) and 2 mol% 1,4-cyclohexanedimethanol to prepare sea-island composite fiber (drawn yarn) of 75 denier / 24 filaments . At this time, the number of island components per monofilament was 36, the weight ratio of island components to sea components was 70:30, and the monofilament fineness of the island components was adjusted to 0.061 denier. Using the island-in-the-sea composite fibers thus prepared as warp and weft, a satin fabric was produced. The fabric was treated with an aqueous sodium hydroxide solution to dissolve the sea component, dyed and napped, thereby producing a suede fabric. Various physical properties of this sea-island type composite fiber are shown in Ta...

Embodiment 2

[0071] Using the same method and conditions as in Example 1 to manufacture sea-island composite fibers and suede-like fabrics, the difference is that, during conjugate spinning, polyterephthalic acid copolymerized in (contained in) as the main component is used A copolymer polyester containing 5 mol % neopentyl glycol and 8 mol % 1,4-cyclohexanedimethanol in ethylene glycol was used as the island component. Various physical properties of this sea-island type composite fiber are shown in Table 1.

Embodiment 3

[0073] Using the same method and conditions as in Example 1 to manufacture sea-island composite fibers and suede-like fabrics, the difference is that, during conjugate spinning, polyterephthalic acid copolymerized in (contained in) as the main component is used A copolymer polyester containing 5 mole % 2,2-diethyl-1,3-propanediol and 10 mole % 1,5-cycloheptanedimethanol in ethylene glycol was used as the island component. Various physical properties of this sea-island type composite fiber are shown in Table 1.

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Abstract

A conventional sea-island type composite fiber and its suede-like fabrics have poor color strength, and thus have problems such as an increase of a manufacturing cost and environmental contamination since they require a long time dyeing at a high concentration upon making the suede-like, fabrics. Further, they have a problem that the washing fastness and light fastness are low due to the use of a large amount of a dye. The present invention provides a sea-island type composite fiber, which has excellent color strength by containing a specific diol comonomer in island component, and its suede-like fabrics.

Description

technical field [0001] The invention relates to an island-in-the-sea composite fiber and its suede-like fabric with excellent color strength. More specifically, the present invention relates to a sea-island type composite fiber having excellent color strength (dyeability) by including a comonomer in an island component, and a suede-like fabric comprising a part or A yarn composed entirely of the conjugated fibers. [0002] With the latest trend of higher-level market demand for more advanced products and with the spread of animal protection concepts, the production and usage of suede fabrics made from sea-island type composite fibers are increasing and their uses are becoming diversified. [0003] Originally made by finishing animal hides, suede has been used in fine gloves, women's shoes, and more. However, natural suede cannot be mass-produced because its supply source is animals, and thus their individual numbers are limited, and also cause harmful consequences such as en...

Claims

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Application Information

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IPC IPC(8): D01F8/14
CPCD01F8/14F25B2500/05F25D21/14F25D2321/147
Inventor 李庸桓崔荣百郑吉淑
Owner KOLON IND INC