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Moisture-absorbing non-woven fabric and its preparation method

A technology of non-woven fabrics and hygroscopic agents, which is applied in the direction of non-woven fabrics, textiles and papermaking, etc., to achieve the effect of excellent hydrophilic durability

Active Publication Date: 2022-05-17
TORAY ADVANCED MATERIALS KOREA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Therefore, the main object of the present invention is to solve the problems concerning these nonwovens against the background of all the problems of existing nonwovens made of polypropylene as described above, in particular by incorporating a specific masterbatch type Hydrophilic agent is applied on the non-woven fabric to provide a hygroscopic non-woven fabric with excellent durable absorbency

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Moisture-absorbing non-woven fabric and its preparation method
  • Moisture-absorbing non-woven fabric and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] In the production method of non-woven fabrics, the polypropylene and absorbent masterbatch are transferred to the extruder (Extruder) at a predetermined ratio through the dosing system for weighing raw materials to spin the mixture, and after spinning The filaments are solidified by the cooling air sprayed from the honeycomb chamber, stretched by the pressure of the air blown from the upper part and the air sucked in the lower part of the conveyor belt, layered on the conveyor belt with a predetermined weight to form a web, and then thermally bonded combined to prepare non-woven fabrics.

[0046] The moisture absorbent masterbatch used included 40% by weight of active ingredients consisting of bis(ethylene glycol)nonanediyl ether and stearin in addition to polypropylene. as in figure 1 It can be confirmed that the used moisture absorbent masterbatch has peaks at 60.33° C., 119.70° C., and 157.30° C., respectively, that is, three peaks in total.

[0047] And, based on ...

Embodiment 2

[0049] As shown in the following Table 1, except that the content of the moisture absorbent masterbatch is 3.5 parts by weight based on the weight of the nonwoven fabric, the same steps as in Example 1 were repeated to measure the characteristics of the nonwoven fabric according to it, and the results are shown in Table 1 below.

[0050]

[0051] As shown in the following Table 1, except that the content of the moisture absorbent masterbatch is 0.9 parts by weight based on the weight of the nonwoven fabric, the same steps as in Example 1 were repeated to measure the characteristics of the nonwoven fabric according to it, and the results are shown in Table 1 below.

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Abstract

The present invention relates to a moisture-absorbing nonwoven fabric having excellent hydrophilic properties and a method for preparing the same. The above-mentioned moisture-absorbing nonwoven fabric of the present invention is obtained by spinning a polyolefin-based polymer to form a web on a continuous belt and Long-fiber spunbond nonwoven fabric thermally bonded, the above-mentioned hygroscopic nonwoven fabric is characterized in that 1 to 20% of the moisture absorbent masterbatch is added to the weight of the nonwoven fabric, and then prepared by melt kneading The above-mentioned non-woven fabric and the above-mentioned moisture-absorbing agent masterbatch have a melting temperature (Melting Temperature) of 40 to 80°C, 100 There are three peaks in the ranges from 140°C to 141 to 180°C. The hygroscopic nonwoven fabric and its production method of the present invention constituted as described above prepare the nonwoven fabric by providing a specific moisture absorbent masterbatch, so it is excellent in hydrophilic durability and can not only partially impart hydrophilicity to the portion to be imparted. It is an industrially useful invention that can realize the production of hygroscopic nonwoven fabrics without adding additional equipment, etc., in the state where the smoke of the spunbond equipment does not occur in the existing equipment.

Description

technical field [0001] The present invention relates to a moisture-absorbing nonwoven fabric having excellent hydrophilic properties and a method for producing the same, and more particularly, relates to the ability to have excellent hydrophilic properties by using a masterbatch of hydrophilic properties that can be prepared at low cost using a specific compound. Moisture-absorbing nonwoven fabric with water properties and good productivity and method for producing the same. Background technique [0002] Generally, non-woven fabrics are sheets or webs in which the fibers for weaving are neatly arranged or randomly arranged and adhered in a specific direction, and the raw materials of these fibers are natural or artificial. These fibers are made of staple fibers or artificial filaments. There are various known processes and methods for the preparation of the above-mentioned nonwoven fabrics, which can be roughly divided into web forming, bonding and finishing. Among these no...

Claims

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Application Information

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IPC IPC(8): D04H3/14D04H13/00D04H3/005
CPCD04H3/005D04H13/00D04H3/14D04H13/007
Inventor 金奎畅金大熙尹英壹金柱熙
Owner TORAY ADVANCED MATERIALS KOREA