Hollow polyester fiber with antibacterial and self-cleaning functions and preparation method thereof

A self-cleaning, hollow technology, applied in the manufacture of hollow filaments, cellulose/protein conjugated rayon, and conjugated synthetic polymer rayon, etc. Spinnability and other issues, to achieve significant antibacterial stability, good self-cleaning effect, and the effect of inhibiting production and reproduction

Inactive Publication Date: 2017-11-24
WUHAN TEXTILE UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this invention is that the method of metal ion dyeing is highly dependent on water resources, and the efficiency is relatively low, which has a large pollution to the environment.
The disadvantage of this invention is that nano-particles are used as antibacterial carriers, and it is difficult to achieve uniform dispersion. In addition, in the process of filament formation, the addition of nanoparticles will also affect the spinning process, which will have a certain impact on the spinnability of the material.

Method used

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  • Hollow polyester fiber with antibacterial and self-cleaning functions and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The preparation method of the polyester hollow fiber with antibacterial and self-cleaning functions comprises the following steps:

[0031] 1) Preparation of modified polyester composite material:

[0032] According to weight percentage, weigh the raw materials: unsaturated PET75%, unsaturated sulfadiazine silver salt 20%, azobisisobutyronitrile 5%; the raw materials are mixed evenly, and the processing temperature is 190 ℃ through the twin-screw extruder to be extruded successively. After extruding and granulating, the modified polyester composite material can be obtained;

[0033] 2) Preparation of hollow composite fibers:

[0034] By weight percentage, take 50% of modified polyester composite material and 50% of cellulose acetate butyrate, after mixing uniformly, a twin-screw extruder with a processing temperature of 190°C is extruded and granulated successively through a spinning temperature of 190°C. The hollow fiber spinning assembly at 200°C is melt blended and...

Embodiment 2

[0038] 1) Preparation of modified polyester composite material:

[0039] By weight percentage, weigh raw materials: unsaturated PBT 97.5%, N-(6-aminohexyl)-5-chloro-1-naphthalenesulfonamide hydrochloride 2.4%, azobisisoheptanonitrile 0.1%, and mix the raw materials Uniform, the modified polyester composite material can be obtained after the twin-screw extruder is extruded and pelletized at a processing temperature of 200°C;

[0040] 2) Preparation of hollow composite fibers:

[0041] By weight percentage, take 90% of modified polyester composite material and 10% of cellulose acetate butyrate, after mixing uniformly, the twin-screw extruder with the processing temperature of 200°C is extruded and granulated successively through the spinning temperature of 200°C. The hollow fiber spinning assembly at 220°C is melt blended and spun to obtain hollow composite fibers;

[0042] 3) Preparation of polyester hollow fibers with antibacterial and self-cleaning functions:

[0043] Imme...

Embodiment 3

[0045] 1) Preparation of modified polyester composite material:

[0046] According to the percentage by weight, raw materials were weighed: 95% unsaturated PTT, 2% unsaturated sodium sulfacetamide, 3% ammonium persulfate; the raw materials were mixed evenly, and the processing temperature was 210 ℃ through a twin-screw extruder successively through extrusion, manufacturing After pelleting, the modified polyester composite material is obtained;

[0047]2) Preparation of hollow composite fibers:

[0048] By weight percentage, get 60% of modified polyester composite material and 40% of cellulose acetate butyrate, after mixing uniformly, through the twin-screw extruder that processing temperature is 210 ℃ through extruding successively, after granulating, through spinning temperature is The hollow fiber spinning assembly at 230°C is melt blended and spun to obtain hollow composite fibers;

[0049] 3) Preparation of polyester hollow fibers with antibacterial and self-cleaning fun...

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Abstract

The invention relates to the field of preparation of a functional hollow fiber and particularly relates to a hollow polyester fiber with antibacterial and self-cleaning functions and a preparation method thereof. The preparation method for the hollow polyester fiber with antibacterial and self-cleaning functions comprises the following steps: (1) taking unsaturated polyester, unsaturated sulfanilamide amphoteric salt and initiator and performing free radical graft copolymerization, putting reactants into a twin-screw extruder after completing the reaction, extruding and pelletizing in turn, thereby acquiring a modified polyester composite material; (2) taking 50-90% of modified polyester composite material and 50-10% of cellulose acetate butyrate by weight percent, uniformly mixing and then extruding and pelletizing by using the twin-screw extruder in turn, and then fusing, blending and spinning a hollow fiber spinning component, thereby acquiring the hollow complex fiber; (3) extracting cellulose acetate butyrate in the hollow complex fiber by utilizing acetone, thereby acquiring the hollow polyester fiber with antibacterial and self-cleaning functions.

Description

technical field [0001] The invention relates to the field of preparation of functional hollow fibers, in particular to a polyester hollow fiber with antibacterial and self-cleaning functions and a preparation method thereof. Background technique [0002] Hollow fiber refers to a fiber with a thin tubular cavity in the fiber axis. Generally, annular hollow, C-type or eccentric hollow spinning components are used to form fibers by melt spinning or solution spinning. The preparation methods of hollow fibers can be roughly divided into three categories, namely solution spinning, melt spinning and semi-melt spinning. The prepared functionalized hollow fibers are generally based on the above method, and some functional monomers are blended and grafted onto the raw materials, so as to prepare hollow fibers with certain specific functions. [0003] Chinese invention patent (application number 92110714.5, date of publication on March 17, 1993) discloses a kind of processing method ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01F8/10D01F8/14D01F8/02D01F1/08D01F1/10C08F283/01C08F230/04
CPCD01F8/10C08F283/01D01F1/08D01F1/10D01F8/02D01F8/14C08F230/04
Inventor 赵青华王栋梅涛牛应买郭启浩毛秦岑罗宇蒋海青
Owner WUHAN TEXTILE UNIV
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