阅读说明：本技术 一种新型抗菌无纺布的制备方法 (Preparation method of novel antibacterial non-woven fabric ) 是由 杨柱华 杨选华 杨柱国 于 2020-06-24 设计创作，主要内容包括：一种新型抗菌无纺布的制备方法,其特征在于采用200份PP颗粒、10-15份抗菌母粒、0.3-0.8份乙烯基硅油、0.1-0.5份色母粒混合后送入螺杆挤出机,经过熔融挤出、纤维形成、纤维冷却、成网、加固而得本发明新型抗菌无纺布。(The preparation method of the novel antibacterial non-woven fabric is characterized by mixing 200 parts of PP particles, 10-15 parts of antibacterial master batch, 0.3-0.8 part of vinyl silicone oil and 0.1-0.5 part of master batch, feeding the mixture into a screw extruder, and performing melt extrusion, fiber formation, fiber cooling, web formation and reinforcement to obtain the novel antibacterial non-woven fabric.)

1. the preparation method of the novel antibacterial non-woven fabric is characterized by mixing 200 parts of PP particles, 10-15 parts of antibacterial master batch, 0.3-0.8 part of vinyl silicone oil and 0.1-0.5 part of master batch, feeding the mixture into a screw extruder, and performing melt extrusion, fiber formation, fiber cooling, web formation and reinforcement to obtain the novel antibacterial non-woven fabric.

2. The preparation method of the novel antibacterial non-woven fabric according to claim 1, wherein the antibacterial master batch comprises the following components:

A. adding 10-12 parts of ammonia water, 5-7 parts of melamine, 25-30 parts of formaldehyde and 50-60 parts of deionized water into 1-5 parts of triethanolamine to obtain a prepared solution;

B. mixing 100 parts of polyolefin elastomer, 10-15 parts of cellulose, 6-7 parts of nano zinc oxide, 2-3 parts of aromatic oil, 12-15 parts of ultrahigh molecular weight polyethylene fiber, 5-8 parts of decabromodiphenylethane, 1-2 parts of silane coupling agent and 0.5-1 part of melamine, introducing the mixture into a prepared solution, and stirring the mixture in a high-speed stirrer for 30-40 minutes to obtain a mixture;

C. and (3) drying the mixture in a drying oven at the temperature of between 80 and 90 ℃ for about 1 to 1.5 hours, adding the mixture into a double-rod screw extruder, controlling the temperature of the extruder at 220 and 230 ℃, and performing melt extrusion to obtain the antibacterial master batch.

Technical Field

The invention relates to an antibacterial material, in particular to a preparation method of a novel antibacterial non-woven fabric.

Background

In the present 2020, a healthy living environment and a nearly perfect medical security system become the basic social requirements of modern people. In the medical industry, antibacterial nonwoven fabrics play a significant role in both the health maintenance of humans and the medical system for preventing cross-infection by bacteria. Therefore, a practical product is urgently needed.

Disclosure of Invention

The invention aims to provide a preparation method of a novel antibacterial non-woven fabric, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the preparation method of the novel antibacterial non-woven fabric is characterized by mixing 200 parts of PP particles, 10-15 parts of antibacterial master batch, 0.3-0.8 part of vinyl silicone oil and 0.1-0.5 part of master batch, feeding the mixture into a screw extruder, and performing melt extrusion, fiber formation, fiber cooling, web formation and reinforcement to obtain the novel antibacterial non-woven fabric.

Preferably, the antibacterial master batch comprises the following components:

A. adding 10-12 parts of ammonia water, 5-7 parts of melamine, 25-30 parts of formaldehyde and 50-60 parts of deionized water into 1-5 parts of triethanolamine to obtain a prepared solution;

B. mixing 100 parts of polyolefin elastomer, 10-15 parts of cellulose, 6-7 parts of nano zinc oxide, 2-3 parts of aromatic oil, 12-15 parts of ultrahigh molecular weight polyethylene fiber, 5-8 parts of decabromodiphenylethane, 1-2 parts of silane coupling agent and 0.5-1 part of melamine, introducing the mixture into a prepared solution, and stirring the mixture in a high-speed stirrer for 30-40 minutes to obtain a mixture;

C. and (3) drying the mixture in a drying oven at the temperature of between 80 and 90 ℃ for about 1 to 1.5 hours, adding the mixture into a double-rod screw extruder, controlling the temperature of the extruder at 220 and 230 ℃, and performing melt extrusion to obtain the antibacterial master batch.

The invention has the following effects:

1. light and soft: the polypropylene resin is used as a main production raw material, has fluffiness, and is formed by (2-3D) fine fiber composition light-point hot melt adhesion. The finished product has moderate softness, comfortable feeling and good hand feeling.

2. Water stirring and air permeability: the polypropylene slice has no water absorption, zero water content, good water repellency of finished products, porosity formed by 100 percent of fibers, good air permeability, easy maintenance of dry and comfortable cloth surface and easy washing.

3. Non-toxic, antibacterial and degradable: the product is produced by adopting food-grade raw materials which accord with FDA, does not contain other chemical components, has stable performance, no toxicity, no peculiar smell and no irritation to skin. High antibacterial efficiency and durable antibacterial effect, and particularly has excellent antibacterial effect on common strains frequently contacted by people, such as staphylococcus aureus, candida albicans, escherichia coli and the like. It is suitable for manufacturing medical protective fabrics or other multifunctional non-woven protective products,

4. the physical properties are good: the product is formed by directly laying polypropylene spinning into a net and thermally bonding, has better strength than common short fiber products, and has non-directional strength and similar longitudinal and transverse strength.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention.

Example 1:

1. the preparation method of the novel antibacterial non-woven fabric is characterized by mixing 200 parts of PP particles, 10 parts of antibacterial master batches, 0.3 part of vinyl silicone oil and 0.1 part of master batches, feeding the mixture into a screw extruder, and performing melt extrusion, fiber formation, fiber cooling, web formation and reinforcement to obtain the novel antibacterial non-woven fabric. The antibacterial master batch comprises the following components:

A. adding 10-12 parts of ammonia water, 5-7 parts of melamine, 25-30 parts of formaldehyde and 50-60 parts of deionized water into 1-5 parts of triethanolamine to obtain a prepared solution;

B. mixing 100 parts of polyolefin elastomer, 10-15 parts of cellulose, 6-7 parts of nano zinc oxide, 2-3 parts of aromatic oil, 12-15 parts of ultrahigh molecular weight polyethylene fiber, 5-8 parts of decabromodiphenylethane, 1-2 parts of silane coupling agent and 0.5-1 part of melamine, introducing the mixture into a prepared solution, and stirring the mixture in a high-speed stirrer for 30-40 minutes to obtain a mixture;

C. and (3) drying the mixture in a drying oven at the temperature of between 80 and 90 ℃ for about 1 to 1.5 hours, adding the mixture into a double-rod screw extruder, controlling the temperature of the extruder at 220 and 230 ℃, and performing melt extrusion to obtain the antibacterial master batch.

Example 2:

the preparation method of the novel antibacterial non-woven fabric is characterized in that 200 parts of PP particles, 12 parts of antibacterial master batches, 0.5 part of vinyl silicone oil and 0.2 part of master batches are mixed and then fed into a screw extruder, and the novel antibacterial non-woven fabric is obtained through melt extrusion, fiber formation, fiber cooling, net formation and reinforcement. The antibacterial master batch comprises the following components:

A. adding 10-12 parts of ammonia water, 5-7 parts of melamine, 25-30 parts of formaldehyde and 50-60 parts of deionized water into 1-5 parts of triethanolamine to obtain a prepared solution;

B. mixing 100 parts of polyolefin elastomer, 10-15 parts of cellulose, 6-7 parts of nano zinc oxide, 2-3 parts of aromatic oil, 12-15 parts of ultrahigh molecular weight polyethylene fiber, 5-8 parts of decabromodiphenylethane, 1-2 parts of silane coupling agent and 0.5-1 part of melamine, introducing the mixture into a prepared solution, and stirring the mixture in a high-speed stirrer for 30-40 minutes to obtain a mixture;

C. and (3) drying the mixture in a drying oven at the temperature of between 80 and 90 ℃ for about 1 to 1.5 hours, adding the mixture into a double-rod screw extruder, controlling the temperature of the extruder at 220 and 230 ℃, and performing melt extrusion to obtain the antibacterial master batch.

Example 3:

the preparation method of the novel antibacterial non-woven fabric is characterized by mixing 200 parts of PP particles, 15 parts of antibacterial master batches, 0.8 part of vinyl silicone oil and 0.5 part of master batches, feeding the mixture into a screw extruder, and performing melt extrusion, fiber formation, fiber cooling, web formation and reinforcement to obtain the novel antibacterial non-woven fabric. The antibacterial master batch comprises the following components:

A. adding 10-12 parts of ammonia water, 5-7 parts of melamine, 25-30 parts of formaldehyde and 50-60 parts of deionized water into 1-5 parts of triethanolamine to obtain a prepared solution;

B. mixing 100 parts of polyolefin elastomer, 10-15 parts of cellulose, 6-7 parts of nano zinc oxide, 2-3 parts of aromatic oil, 12-15 parts of ultrahigh molecular weight polyethylene fiber, 5-8 parts of decabromodiphenylethane, 1-2 parts of silane coupling agent and 0.5-1 part of melamine, introducing the mixture into a prepared solution, and stirring the mixture in a high-speed stirrer for 30-40 minutes to obtain a mixture;

C. and (3) drying the mixture in a drying oven at the temperature of between 80 and 90 ℃ for about 1 to 1.5 hours, adding the mixture into a double-rod screw extruder, controlling the temperature of the extruder at 220 and 230 ℃, and performing melt extrusion to obtain the antibacterial master batch.

The following are the results of the nonwoven fabric production tests of examples 1, 2 and 3, as follows: