阅读说明：本技术 一种新型抗菌、阻燃复合无纺布 (Novel antibacterial and flame-retardant composite 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、阻燃复合无纺布的制备方法,其特征在于采用200份PP颗粒、10-15份抗菌母粒、6-10份阻燃母粒、0.3-0.8份乙烯基硅油、0.3-0.8份磷酸铵、0.1-0.5份色母粒混合后送入螺杆挤出机,经过熔融两层共挤、纤维形成、纤维冷却、成网、加固而得本发明新型抗菌、阻燃复合无纺布。(The preparation method of the novel antibacterial flame-retardant composite non-woven fabric is characterized in that 200 parts of PP particles, 10-15 parts of antibacterial master batch, 6-10 parts of flame-retardant master batch, 0.3-0.8 part of vinyl silicone oil, 0.3-0.8 part of ammonium phosphate and 0.1-0.5 part of master batch are mixed and then fed into a screw extruder, and the novel antibacterial flame-retardant composite non-woven fabric is obtained through melting two-layer co-extrusion, fiber formation, fiber cooling, web formation and reinforcement.)

1. the preparation method of the novel antibacterial flame-retardant composite non-woven fabric is characterized in that 200 parts of PP particles, 10-15 parts of antibacterial master batch, 6-10 parts of flame-retardant master batch, 0.3-0.8 part of vinyl silicone oil, 0.3-0.8 part of ammonium phosphate and 0.1-0.5 part of master batch are mixed and then fed into a screw extruder, and the novel antibacterial flame-retardant composite non-woven fabric is obtained through melting two-layer co-extrusion, fiber formation, fiber cooling, web formation and reinforcement.

2. The preparation method of the novel antibacterial flame-retardant composite non-woven fabric according to claim 1, wherein the antibacterial master batch is prepared by the following steps:

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.

3. The preparation method of the novel flame-retardant non-woven fabric according to claim 1, wherein the flame-retardant master batch is prepared by the following steps:

A. mixing 100 parts of polyolefin elastomer, 10-15 parts of diphenyl-chain-link high-temperature vulcanized phenyl silicone rubber, 6-7 parts of tetrabutyl phosphorus hydroxide, 2-3 parts of aromatic oil, 12-15 parts of ultra-high 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;

B. 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 flame-retardant master batch.

Technical Field

The invention relates to a flame-retardant material, in particular to a novel antibacterial flame-retardant composite non-woven fabric.

Background

Non-woven fabrics are particularly easy to burn, once a fire disaster occurs, the burning speed is very high, so that in the textile industry, the non-woven fabrics cannot play a good protection role, and in addition, the non-woven fabrics lack antibacterial and lasting effects. Not only protects human from being invaded by a large number of pathogenic bacteria and viruses and other harmful bacteria, but also has poor compatibility with the organisms.

Disclosure of Invention

The invention aims to provide a novel antibacterial flame-retardant composite non-woven fabric 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 flame-retardant composite non-woven fabric is characterized in that 200 parts of PP particles, 10-15 parts of antibacterial master batch, 6-10 parts of flame-retardant master batch, 0.3-0.8 part of vinyl silicone oil, 0.3-0.8 part of ammonium phosphate and 0.1-0.5 part of master batch are mixed and then fed into a screw extruder, and the novel antibacterial flame-retardant composite non-woven fabric is obtained through melting two-layer co-extrusion, fiber formation, fiber cooling, web formation and reinforcement.

Preferably, the antibacterial master batch is prepared by the following steps:

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.

Preferably, the flame-retardant master batch is prepared by the following steps:

A. mixing 100 parts of polyolefin elastomer, 10-15 parts of diphenyl-chain-link high-temperature vulcanized phenyl silicone rubber, 6-7 parts of tetrabutyl phosphorus hydroxide, 2-3 parts of aromatic oil, 12-15 parts of ultra-high 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;

B. 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 flame-retardant 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 product tested by the American CFR1633 has the characteristics of flame retardance, melting resistance, less smoke, no toxic gas release, self-extinguishing effect, and capability of keeping the original shape after carbonization, absorbing moisture, ventilating, soft hand feeling, lasting elasticity and automatically extinguishing within 30 seconds, so that the non-woven fabric can meet more various use requirements.

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

the preparation method of the novel antibacterial flame-retardant composite non-woven fabric is characterized in that 200 parts of PP particles, 10 parts of antibacterial master batch, 6 parts of flame-retardant master batch, 0.3 part of vinyl silicone oil, 0.3 part of ammonium phosphate and 0.1-0.5 part of master batch are mixed and then fed into a screw extruder, and the novel antibacterial flame-retardant composite non-woven fabric is obtained through melting two-layer co-extrusion, fiber formation, fiber cooling, net formation and reinforcement.

Preferably, the antibacterial master batch is prepared by the following steps:

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.

Preferably, the flame-retardant master batch is prepared by the following steps:

A. mixing 100 parts of polyolefin elastomer, 10-15 parts of diphenyl-chain-link high-temperature vulcanized phenyl silicone rubber, 6-7 parts of tetrabutyl phosphorus hydroxide, 2-3 parts of aromatic oil, 12-15 parts of ultra-high 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;

B. 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 flame-retardant master batch.

Example 2:

the preparation method of the novel antibacterial and flame-retardant composite non-woven fabric is characterized by mixing 200 parts of PP particles, 15 parts of antibacterial master batch, 10 parts of flame-retardant master batch, 0.8 part of vinyl silicone oil, 0.7 part of ammonium phosphate and 0.3 part of master batch, feeding the mixture into a screw extruder, and carrying out melting two-layer co-extrusion, fiber formation, fiber cooling, web formation and reinforcement to obtain the novel antibacterial and flame-retardant composite non-woven fabric.

The antibacterial master batch is prepared by the following steps:

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 flame-retardant master batch is prepared by the following steps:

A. mixing 100 parts of polyolefin elastomer, 10-15 parts of diphenyl-chain-link high-temperature vulcanized phenyl silicone rubber, 6-7 parts of tetrabutyl phosphorus hydroxide, 2-3 parts of aromatic oil, 12-15 parts of ultra-high 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;

B. 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 flame-retardant master batch.

The following are the results of the combustion performance tests of examples 1, 2:

sample(s)	Flame retardant rating
		Example 1	B1
Example 2	B1

The following are tests for antibacterial properties of the nonwoven fabrics of examples 1 and 2. The product fragments are immersed in the bacterial liquid, the surface of the detector is polluted, and the experimental result is as follows: