阅读说明：本技术 一种抗菌防护服装革及其制备方法 (Antibacterial protective clothing leather and preparation method thereof ) 是由 洪斌 戴丽 杜超 彭文斌 顾志豪 严雪峰 叶琦 于 2020-07-22 设计创作，主要内容包括：本发明公开了一种抗菌防护服装革及其制备方法,包括下述重量份的组分：基布层,该基布层为高密度聚乙烯纤维复合材料；表皮层,表皮层包括下述重量份的组分：90～110份水性聚氨酯树脂；0.5～3份水性增稠剂；0～5份水性色浆；0.3～3份无机抗菌助剂；中间层,中间层包括下述重量份的组分：90～110份水性聚氨酯树脂；0.5～3水性增稠剂；0.1～1水性流平剂；10～30水性色浆；接着层,接着层包括下述重量份的组分：90～110份水性聚氨酯树脂；0.5～3水性增稠剂；1～3水性异氰酸酯交联剂。本发明具有环保、抗菌、防水、质轻、强韧、耐穿刺、抗紫外线的特点。(The invention discloses antibacterial protective clothing leather and a preparation method thereof, wherein the antibacterial protective clothing leather comprises the following components in parts by weight: the base cloth layer is made of a high-density polyethylene fiber composite material; the skin layer comprises the following components in parts by weight: 90-110 parts of aqueous polyurethane resin; 0.5-3 parts of an aqueous thickener; 0-5 parts of water-based color paste; 0.3-3 parts of inorganic antibacterial auxiliary agent; the intermediate layer comprises the following components in parts by weight: 90-110 parts of aqueous polyurethane resin; 0.5 to 3 parts of an aqueous thickener; 0.1-1 parts of a water-based leveling agent; 10-30 parts of water-based color paste; the adhesive layer comprises the following components in parts by weight: 90-110 parts of aqueous polyurethane resin; 0.5 to 3 parts of an aqueous thickener; 1-3 aqueous isocyanate crosslinking agent. The invention has the characteristics of environmental protection, antibiosis, water resistance, light weight, toughness, puncture resistance and ultraviolet resistance.)

1. The utility model provides an antibiotic protective clothing leather which characterized in that, including setting gradually:

the base cloth layer is made of a high-density polyethylene fiber composite material;

the skin layer comprises the following components in parts by weight:

90-110 parts of aqueous polyurethane resin;

0.5-3 parts of an aqueous thickener;

0-5 parts of water-based color paste;

0.3-3 parts of inorganic antibacterial auxiliary agent;

the intermediate layer comprises the following components in parts by weight:

90-110 parts of aqueous polyurethane resin;

0.5 to 3 parts of an aqueous thickener;

0.1-1 parts of a water-based leveling agent;

10-30 parts of water-based color paste;

the adhesive layer comprises the following components in parts by weight:

90-110 parts of aqueous polyurethane resin;

0.5 to 3 parts of an aqueous thickener;

1-3 aqueous isocyanate crosslinking agent.

2. The antibacterial protective clothing leather according to claim 1, wherein the viscosity of the skin layer is 1000 to 3000cps/25 ℃, and the coating weight is 20 to 60 g/m.

3. The antibacterial protective clothing leather according to claim 1, wherein the viscosity of the middle layer is 3000-6000 cps/25 ℃, and the coating weight is 160-220 g/m.

4. The antibacterial protective clothing leather according to claim 1, wherein the adhesion layer has a viscosity of 3000 to 6000cps/25 ℃ and a coating weight of 120 to 160 g/m.

5. Antibacterial protective clothing leather according to claim 1, characterized in that the inorganic antibacterial agent is of the Ag-Zn series.

6. A preparation method of the antibacterial protective clothing leather as claimed in any one of claims 1 to 4, characterized by comprising the following steps:

1) coating a surface layer and drying: unreel from type paper, aqueous sizing agent, the coating position of a knife compresses tightly, and the stoving is cooled: the temperature of the oven is 60-150 ℃;

2) coating an intermediate layer and drying: coating the water-based slurry with a cutter position of 0.1-0.25 mm; drying and cooling, wherein the temperature of an oven is 60-150 ℃;

3) coating a water-based bonding bottom layer, wherein the coating position of a cutter is 0.1-0.2 mm; pre-drying the semi-dry state, wherein the temperature of a drying oven is 50-100 ℃, and the retention time in the drying oven is 8-20 s;

4) base cloth attaching and drying: attaching base cloth, drying after attaching the base cloth, wherein the temperature of an oven is 50-100 ℃;

5) and (5) obtaining a dry finished product after stripping.

7. The method of making antibacterial protective clothing leather according to claim 6, wherein the preparation of the base fabric comprises the steps of: the said material is produced through flash evaporation process, hot sticking high-density polyethylene fiber through jet spinning, melting high-density polyethylene into isotropic fiber of 0.5-10 micron thickness, spinning and hot pressing.

Technical Field

The invention relates to the technical field of clothing leather, in particular to antibacterial protective clothing leather and a preparation method thereof.

Background

With the improvement of life quality, the materials for clothes tend to develop in the direction of differentiation, high-end and high-quality, and the fabric is the material for making clothes. As one of the three elements of the garment, the fabric not only can explain the style and the characteristics of the garment, but also directly controls the expression effect of the garment.

However, the existing garment materials often have the following disadvantages: 1. the garment fabric has poor antibacterial effect and is easy to breed bacteria when being worn; 2. the comfort level is poor and the weight is heavy; 3. paper, films, fibers and woven fabric materials have various advantages, and garment leather integrating the advantages of the materials and a preparation method thereof are not available in the prior art.

In order to overcome the defects in the prior art, the invention designs the antibacterial protective clothing leather which is environment-friendly, antibacterial, waterproof, light in weight, tough, puncture-resistant and ultraviolet-resistant and the preparation method thereof.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the invention designs an environment-friendly, antibacterial, waterproof, light, tough, puncture-resistant and ultraviolet-resistant antibacterial protective clothing leather and a preparation method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

an antibiotic protective clothing leather, including setting gradually:

the base cloth layer is made of a high-density polyethylene fiber composite material;

the skin layer comprises the following components in parts by weight:

90-110 parts of aqueous polyurethane resin;

0.5-3 parts of an aqueous thickener;

0-5 parts of water-based color paste;

0.3-3 parts of inorganic antibacterial auxiliary agent;

the intermediate layer comprises the following components in parts by weight:

90-110 parts of aqueous polyurethane resin;

0.5 to 3 parts of an aqueous thickener;

0.1-1 parts of a water-based leveling agent;

10-30 parts of water-based color paste;

the adhesive layer comprises the following components in parts by weight:

90-110 parts of aqueous polyurethane resin;

0.5 to 3 parts of an aqueous thickener;

1-3 aqueous isocyanate crosslinking agent.

As a further improvement of the scheme, the viscosity of the surface layer is 1000-3000 cps/25 ℃, and the coating weight is 20-60 g/m.

As a further improvement of the scheme, the viscosity of the middle layer is 3000-6000 cps/25 ℃, and the coating weight is 160-220 g/m.

As a further improvement of the scheme, the viscosity of the bonding layer is 3000-6000-cps/25 ℃, and the coating weight is 120-160 g/m.

As a further improvement of the scheme, the inorganic antibacterial auxiliary agent is an inorganic antibacterial auxiliary agent Ag-Zn series.

A preparation method of antibacterial protective clothing leather comprises the following steps:

1) coating a surface layer and drying: unreel from type paper, aqueous sizing agent, the coating position of a knife compresses tightly, and the stoving is cooled: the temperature of the oven is 60-150 ℃;

2) coating an intermediate layer and drying: coating the water-based slurry with a cutter position of 0.1-0.25 mm; drying and cooling, wherein the temperature of an oven is 60-150 ℃;

3) coating a water-based bonding bottom layer, wherein the coating position of a cutter is 0.1-0.2 mm; pre-drying the semi-dry state, wherein the temperature of a drying oven is 50-100 ℃, and the retention time in the drying oven is 8-20 s;

4) base cloth attaching and drying: attaching base cloth, drying after attaching the base cloth, wherein the temperature of an oven is 50-100 ℃;

5) and (5) obtaining a dry finished product after stripping.

As a further improvement of the scheme, the preparation of the base fabric comprises the following steps: the said material is produced through flash evaporation process, hot sticking high-density polyethylene fiber through jet spinning, melting high-density polyethylene into isotropic fiber of 0.5-10 micron thickness, spinning and hot pressing.

Compared with the existing product, the antibacterial protective clothing leather and the preparation method thereof provided by the invention have the following beneficial effects:

1) and (3) environmental protection: the base cloth is made of 100% recoverable material, and is made by hot-sticking millions of fine continuous high-density polyethylene fibers by jet spinning technology through special process of flash evaporation. No chemical adhesive or filler is added in the preparation process, and the material belongs to a green environment-friendly material; furthermore, the base fabric structure prepared by the method is a natural simulation cobweb structure formed by weaving and winding;

2) quality of the medical base cloth: good chemical resistance, high erosion resistance, fastness, toughness and durability, strong tear resistance and tensile strength of more than 50N/3 cm; the tearing load is more than 10N;

3) the unique contrast feeling of the paper-like, non-paper-like, leather-like and non-leather, the unique texture and touch feeling, and the strong cross-boundary design plasticity;

4) the novel paper has the advantages that the novel paper is light and portable, is light and thin as paper, has soft and smooth natural wrinkle textures of modern leatheroid, and does not increase any burden for traveling;

5) the product has the characteristics of water resistance, wind resistance and ultraviolet resistance;

6) good protection performance: the nature-simulated high-density material with the cobweb structure is like soft armor, so that the dirt of liquid such as saliva splash blood splash sewage and the like can be effectively isolated, and the clothes are kept clean for a long time and the human body is kept healthy;

7) good physical anti-mite effect of base cloth: the monofilament titer of the special fabric is about 0.5 micrometer, the monofilament titer is about one dozen of times of hair, the diameter of the acarid is far larger than 0.5 micrometer (the body size of the acarid is about 300 micrometers, and the excrement of the acarid is between 10 and 40 micrometers), and the special fabric of the artificial high-density material base fabric with the cobweb structure ensures that the product has excellent acarid prevention effect and belongs to a green environment-friendly material;

8) excellent coating antibacterial function: the antibacterial performance (antibacterial rate) of escherichia coli and staphylococcus aureus reaches more than 99 percent.

Drawings

Fig. 1 is a schematic view of a base fabric structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described with reference to the following embodiments: