Antibacterial fiber, preparation method and antibacterial non-woven cloth used for surface layer of disposable moisture-absorption product

An antibacterial fiber and antibacterial plastic technology, applied in non-woven fabrics, fiber processing, rayon manufacturing and other directions, can solve the problems of affecting service life and antibacterial effect, easy to fall off, poor anti-discoloration ability, etc., to inhibit bacterial invasion and Breeding, broad application market prospects, slow release effect of antibacterial properties

Inactive Publication Date: 2018-04-20
FUJIAN HENGAN HYGIENE MATERIAL +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, silver ion antibacterial agent directly uses silver ion as antibacterial agent, and there are following defects: first, silver ion is easily reduced and becomes simple substance and becomes black, which affects the application of silver ion antibacterial agent in light-colored products, and has poor discoloration resistance
[0009] For another example, researchers have found that graphene has certain antibacterial properties in previous research centers. For example, in "American Chemical Society-Nano" (ACS-Nano, 2010, Vol. Graphene paper has certain antibacterial properties, and then a series of graphene / silver nanocomposite antibacterial materials with good antibacterial properties appeared. The specific parts of graphene cannot be evenly distributed on the surface, thus affecting the antibacterial effect; at the same time, nano-silver and graphene cannot be tightly combined, especially when the content of nano-silver particles increases, it is easy to agglomerate and fall off during use, thus Affect the service life and antibacterial effect

Method used

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  • Antibacterial fiber, preparation method and antibacterial non-woven cloth used for surface layer of disposable moisture-absorption product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] The antibacterial filament fiber described in the present embodiment is weighed by the following parts by weight: 80 parts of polypropylene, 15 parts of polyethylene, 0.5 part of graphene antibacterial composition, 0.5 part of low molecular weight polyethylene wax, dioctyl phthalate 0.6 parts of ester, 0.6 parts of silane coupling agent. Wherein, the graphene antibacterial composition is composed of 20% modified graphene, 79% grape seed powder and 1% lanthanum stearate.

[0057] The antibacterial filament fiber of the present embodiment is prepared through the following steps:

[0058] Step 1: Pre-dry the high-melting point polymer and the low-melting point polymer to a moisture content of <0.1%, and set aside.

[0059] Step 2: adding the graphene antibacterial composition and the coupling agent into a high-speed kneader for high-speed mixing for 3-5 minutes.

[0060] Step 3: Add the low-melting point polymer, dispersant, and plasticizer respectively into the high-spe...

Embodiment 2

[0065] The antibacterial fiber of the present embodiment is weighed according to the following parts by weight: 100 parts of polypropylene, 25 parts of polyethylene, 10 parts of graphene antibacterial composition, 2 parts of atactic polypropylene, 1.5 parts of dioctyl phthalate, titanium Ester coupling agent 2 parts. Wherein, the graphene antibacterial composition is made up of 70% modified graphene, 25% camellia oil and 5% cerium stearate.

[0066] Prepare antibacterial long filament fiber according to the antibacterial fiber preparation step of embodiment 1, antibacterial long filament fiber is carried out crimping, cutting and thermal setting treatment and makes the antibacterial staple fiber with following properties: length is 35-125mm, crimp is 11- 32%, the tensile strength is 2.5-3.7cN / dtex.

Embodiment 3

[0068]The antibacterial short fiber of the present embodiment is weighed by the following parts by weight: 90 parts of polyethylene terephthalate, 20 parts of polyethylene, 5 parts of graphene antibacterial composition, 1 part of low molecular weight polyethylene wax, phthalate 1 part of dioctyl diformate, 1 part of aluminum-titanium composite coupling agent. Wherein, the graphene antibacterial composition is made up of 50% modified graphene, 47% camellia oil and tea polyphenol composition and 3% cerium stearate. Camellia oleifera seed oil and tea polyphenol composition are configured in a ratio of 1:1 by mass.

[0069] The preparation process of the antibacterial staple fiber of the present embodiment is as follows:

[0070] Step 1: Pre-dry the high-melting point polymer and the low-melting point polymer to a moisture content of <0.1%, and set aside.

[0071] Step 2: adding the graphene antibacterial composition and the coupling agent into a high-speed kneader for high-spee...

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Abstract

The invention relates to antibacterial fiber having a core-skin structure, wherein a skin layer is a low-melting point polymer, a core layer is a high-melting point polymer, the core layer and the skin layer are composited through a two-component spinneret assembly, the low melting point polymer body of the skin layer contains a graphene antibacterial composition, the graphene antibacterial composition takes modified porous graphene as a skeletal material, the graphene antibacterial composition is loaded at an aperture or in a surface layer of the modified porous graphene, the graphene antibacterial composition comprises the following components in parts by mass: 20-70% of the modified porous graphene, 20-80% of an antibacterial plant extract, and 1-5% of organic rare earth salt. The antibacterial fiber is subjected to metering, carding and thermoforming composite to form an antibacterial non-woven cloth used for a surface layer of a disposable moisture-absorption product. The antibacterial fiber and the antibacterial non-woven cloth has no stimulation on skin of human body, and have excellent antibacterial property, the antibacterial property is slowly released and stable, and thepersistence of washing resistance and effects of bacteriostasis and deodorizing can be guaranteed.

Description

technical field [0001] The invention relates to the technical field of fiber and nonwoven fabric preparation, in particular to an antibacterial fiber, a preparation method of the antibacterial fiber, and an antibacterial nonwoven fabric for the surface layer of disposable hygroscopic products. Background technique [0002] With the improvement of people's living standards, people are more and more concerned about the health of themselves and their families in addition to the added value of products such as packaging, smell, color, and shape. Therefore, it is necessary to provide an antibacterial fiber and its products, so that the fiber products have antibacterial properties, inhibit the growth of bacteria on the surface of the fiber products, and keep the surface of the fiber products clean. [0003] In recent years, domestic research on the antibacterial properties of fiber products or nonwovens has gradually increased. It is mainly obtained by adding a small amount of ant...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01F8/06D01F8/14D01F1/10D04H1/541D01D5/34
CPCD01D5/34D01F1/103D01F8/06D01F8/14D04H1/541
Inventor 祝二斌林东山罗梅芳王伟翁文伟
Owner FUJIAN HENGAN HYGIENE MATERIAL
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