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Medical wrapping cloth with high bacterium blocking performance and preparation method

A technology of wrapping cloth and high resistance, applied in the field of medical and health fiber materials, can solve the problems of difficult to popularize and use, reduced antibacterial performance, poor microbial barrier effect, etc., and achieves excellent tensile strength and antibacterial performance. The effect of high antibacterial properties

Inactive Publication Date: 2021-12-21
北京熵图医疗科技合伙企业(有限合伙) +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, pure cotton textile fabrics have defects such as poor microbial barrier effect, large cotton fiber pollution and easy wet packaging; paper / plastic packaging bags have defects such as poor moisture resistance and are only suitable for small medical equipment packaging; medical crepe paper has poor packaging sealing performance. Poor and large consumption; the closed hard sterilization box has defects such as high purchase cost and maintenance cost, and it is not easy to popularize and use
[0003] However, most of the medical non-woven fabrics currently on the market have the defect of unbalanced vertical and horizontal fracture strength, resulting in poor overall bursting strength and easy to break the bag, and between the fibers that are randomly distributed and the fiber surface is smooth and straight. The micropores are uneven, and the micropores between some fibers are large, and the antibacterial performance will also be reduced

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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  • Medical wrapping cloth with high bacterium blocking performance and preparation method
  • Medical wrapping cloth with high bacterium blocking performance and preparation method
  • Medical wrapping cloth with high bacterium blocking performance and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] This embodiment provides a medical wrapping cloth with high resistance to bacteria, such as figure 1 As shown, it includes a first spunbond layer, a meltblown layer and a second spunbond layer connected in sequence from outside to inside;

[0049] The first spunbond layer includes at least one layer of first spunbond S1;

[0050] The melt-blown cloth layer is at least one layer of melt-blown cloth M that includes a plurality of melt-blown multi-pile fibers containing graphene particles that are intertwined with each other;

[0051] The second spunbond cloth layer includes at least one layer of second spunbond cloth S2, the inner surface of the second spunbond cloth of the innermost layer is treated with polyvinyl alcohol antibacterial modification, and the inner surface is usually used as the packaging bag made of the inner wall.

[0052]The above-mentioned medical wrapping cloth with high resistance to bacteria is designed in layers, and a meltblown cloth layer is in...

Embodiment 2

[0059] This example provides a preparation method of the medical wrapping cloth with high resistance to bacteria performance in Example 1, taking the medical wrapping cloth with high resistance to bacteria performance of the S1-M-M-M-S2 structure in Example 1 as an example, that is, the medical wrapping cloth The cloth has a connected layer of first spunbond cloth S1, three layers of melt blown cloth M and one layer of second spunbond cloth S2 in sequence from the outside to the inside, such as image 3 Shown, preparation method comprises the following steps:

[0060] S201. Prepare and obtain spunbond fabrics, which are respectively used as the first spunbond fabric S1 and the second spunbond fabric S2;

[0061] S202. Perform polyvinyl alcohol antibacterial modification treatment on one surface of the second spunbond fabric S2 to obtain the innermost second spunbond fabric;

[0062] S203, preparing and obtaining a melt-blown cloth comprising a plurality of melt-blown multi-pi...

example 1

[0090] Sample 1 was prepared using the following steps:

[0091] Mix the polyolefin copolymer and spunbonded polypropylene raw materials with a mass ratio of 13:56 evenly, and melt and extrude them through a screw extruder. The screw temperature is 226 ° C, the melt pipe temperature is 232 ° C, and the die head temperature is 236 ℃, apply an airflow with an air volume of 2300Pa and an air temperature of 20°C to the melt-extruded fibers for stable drafting, obtain fine denier fibers and receive them uniformly, and obtain spunbond fabrics;

[0092] One side of a piece of spunbond cloth is fixed on a glass plate, and the glass plate and the spunbond cloth pass through the space evenly distributed with foggy polyvinyl alcohol antibacterial liquid at a constant speed, so that the spunbond cloth stays in the space for a total of 6 minutes, and the modified surface spun cloth is obtained. Sticky cloth, dry the modified surface spunbond cloth at 65°C for 8 minutes to obtain the spunbo...

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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Abstract

The invention discloses a medical wrapping cloth with high antibacterial performance and a preparation method, and relates to the technical field of medical fiber materials. The medical wrapping cloth comprises a first spunbond cloth layer, a melt-blown cloth layer and a second spunbond cloth layer which are sequentially connected from outside to inside; the first spunbond cloth layer comprises at least one layer of first spunbond cloth; the melt-blown cloth layer is at least one layer of melt-blown cloth comprising a plurality of graphene particle-containing melt-blown multi-fluff fibers which are wound and connected with one another; and the second spunbond cloth layer comprises at least one layer of second spunbond cloth, and the inner surface of the second spunbond cloth on the innermost layer is subjected to polyvinyl alcohol antibacterial modification treatment. Through layered design, the melt-blown cloth layer is clamped between the upper spunbond cloth layer and the lower spunbond cloth layer, the non-breaking and high-bacterium-resistance performance of the medical wrapping cloth is improved, the inner surface of the second spunbond cloth on the innermost layer is subjected to polyvinyl alcohol antibacterial modification treatment, so that the bursting strength of the second spunbond cloth is greatly improved, the obtained medical wrapping cloth finished product is not prone to breaking, and meanwhile, excellent tensile strength and antibacterial performance are achieved.

Description

technical field [0001] The invention relates to the technical field of medical and sanitary fiber materials, in particular to a medical wrapping cloth with high antibacterial performance and a preparation method thereof. Background technique [0002] Commonly used medical sterilization packaging materials include cotton cloth, disposable non-woven fabrics, crepe paper, hard containers and paper / plastic packaging bags. Among them, pure cotton textile fabrics have defects such as poor microbial barrier effect, large cotton fiber pollution and easy wet packaging; paper / plastic packaging bags have defects such as poor moisture resistance and are only suitable for small medical equipment packaging; medical crepe paper has poor packaging sealing performance. Poor and high consumption and other defects; the airtight hard sterilization box also has defects such as high purchase cost and maintenance cost and is not easy to popularize and use. [0003] However, most of the medical no...

Claims

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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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/02B32B27/32B32B27/18B32B27/12B32B3/08B32B33/00B32B37/06B32B37/10D01F1/10D06M15/333D06M101/20
CPCB32B5/022B32B5/26B32B3/08B32B33/00B32B37/06B32B37/10D01F1/10D06M15/333D06M16/00B32B2262/0253B32B2307/7145B32B2250/20D06M2101/20
Inventor 沙红卫
Owner 北京熵图医疗科技合伙企业(有限合伙)
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