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Moisture-permeable composite material for blocking bacteriophage and preparation method thereof

A composite material and phage technology, applied in the field of medical materials, can solve problems such as antibacterial properties and moisture permeability that cannot meet the needs of use, and achieve the effects of improving user experience, improving mechanical properties and stability, and uniform thickness

Active Publication Date: 2022-03-29
新乐华宝医疗器械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention proposes a moisture-permeable and barrier-phage composite material and its preparation method, which solves the problem that the antibacterial and moisture-permeable properties of the composite material in the prior art cannot meet the use requirements

Method used

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  • Moisture-permeable composite material for blocking bacteriophage and preparation method thereof
  • Moisture-permeable composite material for blocking bacteriophage and preparation method thereof
  • Moisture-permeable composite material for blocking bacteriophage and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] S1. Preparation of moisture-permeable film: 80 parts of KHTS-140 and 20 parts of erucamide are heated, mixed and pressurized by the extruder, and continuously passed through the die in a flowing state;

[0024] S2, prepare flexible hydrophilic non-woven fabric:

[0025] Melt 80 parts of polypropylene, 1 part of nano-zinc oxide, 0.1 part of antioxidant, and 0.2 part of polyethyleneimine-polyethylene glycol copolymer, melt, filter, spin, stretch into filaments, lay a net, coat a film, roll A flexible hydrophilic non-woven fabric was prepared.

[0026] S3. Heat the hot melt adhesive through the glue spraying compound machine, and apply the glue sprayed into a mesh shape by a high-pressure nozzle between the flexible hydrophilic non-woven fabric, the moisture-permeable film, and the wear-resistant PP cloth, and heat Pressing and bonding, and winding to obtain the composite material.

Embodiment 2

[0028] S1. Preparation of moisture-permeable film: 120 parts of KHTS-140 and 40 parts of erucamide are heated, mixed and pressurized by the extruder, and continuously passed through the die in a flowing state;

[0029] S2, prepare flexible hydrophilic non-woven fabric:

[0030] 100 parts of polypropylene, 3 parts of nano-zinc oxide, 0.5 parts of antioxidant, and 0.5 parts of polyethyleneimine-polyethylene glycol copolymer are melted, filtered, spun, stretched into silk, laid, coated, rolled A flexible hydrophilic non-woven fabric was prepared.

[0031] S3. Heat the hot melt adhesive through the glue spraying compound machine, and apply the glue sprayed into a mesh shape by a high-pressure nozzle between the flexible hydrophilic non-woven fabric, the moisture-permeable film, and the wear-resistant PP cloth, and heat Pressing and bonding, and winding to obtain the composite material.

Embodiment 3

[0033] S1. Preparation of moisture-permeable film: 85 parts of KHTS-140 and 25 parts of erucamide are heated, mixed and pressurized by the extruder, and continuously passed through the die in a flowing state;

[0034] S2, prepare flexible hydrophilic non-woven fabric:

[0035] 95 parts of polypropylene, 2.5 parts of nano-zinc oxide, 0.4 parts of antioxidant, and 0.4 parts of polyethyleneimine-polyethylene glycol copolymer are melted, filtered, spun, stretched into silk, laid, coated, rolled A flexible hydrophilic non-woven fabric was prepared.

[0036] S3. Heat the hot melt adhesive through the glue spraying compound machine, and apply the glue sprayed into a mesh shape by a high-pressure nozzle between the flexible hydrophilic non-woven fabric, the moisture-permeable film, and the wear-resistant PP cloth, and heat Pressing and bonding, and winding to obtain the composite material.

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Abstract

The invention relates to the technical field of composite materials, and provides a moisture-permeable phage-blocking composite material which comprises a flexible hydrophilic non-woven fabric layer, a moisture-permeable film layer and a wear-resistant PP (polypropylene) cloth layer which are sequentially arranged from inside to outside, the flexible hydrophilic non-woven fabric layer and the moisture-permeable thin film layer are bonded through a hot melt adhesive, the moisture-permeable thin film layer and the wear-resistant PP cloth layer are bonded through a hot melt adhesive, and the moisture-permeable thin film layer is prepared from, by weight, 80-120 parts of TPEE moisture-permeable thermoplastic polyester elastomer and 20-40 parts of erucyl amide. According to the technical scheme, the problem that the antibacterial property and moisture permeability of a composite material in the prior art cannot meet the use requirements is solved.

Description

technical field [0001] The invention relates to the technical field of medical materials, in particular to a moisture-permeable and phage-blocking composite material and a preparation method thereof. Background technique [0002] In order to prevent microorganisms from invading the sterile operating room and protect patients from infection by bacteria carried by medical staff, hospitals began to use special surgical protective clothing. [0003] The special working environment and working nature of medical workers lead to high requirements on the material of medical protective clothing, while the fabric of ordinary protective clothing, in order to better block viruses, bacteria, etc., often uses multi-layer composite materials, resulting in the number of layers of fabrics Too much makes the medical workers wear heavy, and many times the medical workers need to wear protective clothing for up to 24 hours, but due to the thick material and poor air permeability, the wearing co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B27/02B32B27/32B32B27/08B32B27/36B32B27/18B32B7/12B32B37/12B32B37/06B32B37/10
CPCB32B5/022B32B27/12B32B27/36B32B27/18B32B7/12B32B37/12B32B37/06B32B37/10B32B2262/0253B32B2307/558B32B2307/7242B32B2307/726
Inventor 杨棉刘洪波孙冠军柴建民曹会静
Owner 新乐华宝医疗器械有限公司
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