阅读说明：本技术 一种抑菌抗污面料的制备方法 (Preparation method of antibacterial and anti-fouling fabric ) 是由 张传贵 刘祥祥 吴昆明 李伟 于 2021-09-01 设计创作，主要内容包括：本发明涉及一种抑菌抗污面料的制备方法,属于面料技术领域,所述面料包括皮革层和柔性层,制备方法包括以下步骤：(1)制备皮革层：将人造皮革经过蒸汽祛味处理后,再经过活化处理,获得活化的皮革层；(2)制备柔性层：将抑菌棉纤维和抗污棉纤维以及聚酯纤维揉成丝线,通过缝纫设备织造,获得柔性层；(3)复合面料：将所述皮革层和柔性层在同一环境下进行蒸汽处理后,在皮革层的糙面均匀涂覆黏着剂,将柔性层和皮革层的糙面进行热压复合形成抑菌抗污面料。本发明制备的抑菌抗污面料,外层为经过处理的人造皮革,油污沾染便于清除,内层为经过抑菌棉纤维和抗污棉纤维以及聚酯纤维制造而成的柔性层,柔软且抑菌能力强,且质量轻。(The invention relates to a preparation method of an antibacterial and anti-fouling fabric, belonging to the technical field of fabrics, wherein the fabric comprises a leather layer and a flexible layer, and the preparation method comprises the following steps: (1) preparing a leather layer: performing steam odor-removing treatment on the artificial leather, and then performing activation treatment to obtain an activated leather layer; (2) preparing a flexible layer: kneading the antibacterial cotton fiber, the anti-fouling cotton fiber and the polyester fiber into threads, and weaving the threads by using sewing equipment to obtain a flexible layer; (3) compounding the fabric: and after the leather layer and the flexible layer are subjected to steam treatment in the same environment, uniformly coating an adhesive on the rough surface of the leather layer, and performing hot-pressing compounding on the rough surfaces of the flexible layer and the leather layer to form the antibacterial and anti-fouling fabric. The antibacterial and anti-fouling fabric prepared by the invention has the advantages that the outer layer is the treated artificial leather, oil contamination is convenient to remove, and the inner layer is a flexible layer made of antibacterial cotton fibers, anti-fouling cotton fibers and polyester fibers, so that the antibacterial and anti-fouling fabric is soft, strong in antibacterial capability and light in weight.)

1. The preparation method of the antibacterial and anti-fouling fabric is characterized in that the fabric comprises a leather layer and a flexible layer, and the preparation method comprises the following steps:

(1) preparing a leather layer: performing steam odor-removing treatment on the artificial leather, and then performing activation treatment to obtain an activated leather layer;

(2) preparing a flexible layer: kneading the antibacterial cotton fiber, the anti-fouling cotton fiber and the polyester fiber into threads, and weaving the threads by using sewing equipment to obtain a flexible layer;

(3) compounding the fabric: and after the leather layer and the flexible layer are subjected to steam treatment in the same environment, uniformly coating an adhesive on the rough surface of the leather layer, and performing hot-pressing compounding on the rough surfaces of the flexible layer and the leather layer to form the antibacterial and anti-fouling fabric.

2. The method for preparing the antibacterial and anti-fouling fabric as claimed in claim 1, wherein in the step (1), the artificial leather is activated, and then an anti-aging agent is coated on the bright surface of the leather.

3. The preparation method of the antibacterial and anti-fouling fabric according to claim 2, wherein the anti-aging agent is composed of tricarboxyphenylboronic acid, hyperbranched polyester acrylate and a crosslinking agent.

4. The preparation method of the antibacterial and anti-fouling fabric according to claim 1, wherein the activation treatment in the step (1) comprises acid washing and catalysis, and specifically comprises the following steps: the artificial leather is pickled by mixed acid solution, and then the artificial leather is put into a catalyst for impregnation.

5. The preparation method of the antibacterial and anti-fouling fabric according to claim 4, wherein the volume concentration of salicylic acid in the mixed acid solution is 5-10% and the volume concentration of hyaluronic acid is 20-30%.

6. The preparation method of the bacteriostatic antifouling fabric as claimed in claim 4, wherein the catalyst is one of ammonium chloride and diammonium hydrogen phosphate.

7. The preparation method of the bacteriostatic and anti-fouling fabric according to claim 1, wherein the flexible layer comprises 40-45% of bacteriostatic cotton fibers, 40-45% of anti-fouling cotton fibers and 10-20% of polyester fibers.

8. The preparation method of the bacteriostatic and anti-fouling fabric according to claim 1, wherein the bacteriostatic cotton fibers are obtained by soaking cotton fibers in a nano copper-silver solution, the mass of the nano copper-silver particles accounts for 0.010-0.015 per thousand of the total mass of the bacteriostatic cotton fibers, the anti-fouling cotton fibers are obtained by soaking cotton fibers in a nano titanium dioxide solution and a nano silicon dioxide solution, and the mass of the nano titanium dioxide particles and the mass of the nano silicon dioxide particles respectively account for 0.01-0.02% of the total mass of the bacteriostatic cotton fibers.

9. The preparation method of the antibacterial and anti-fouling fabric according to claim 1, wherein the steam treatment in the step (3) is specifically as follows: the mixed solution of 5-10% of isopropyl myristate, 10-20% of liquid detergent and 70-90% of water in percentage by mass is used as steam.

10. The preparation method of the bacteriostatic antifouling fabric as claimed in claim 9, wherein the steam treatment is performed under an environment of 1.4-1.7 MPa.

Technical Field

The invention belongs to the technical field of fabrics, and particularly relates to a preparation method of an antibacterial and anti-fouling fabric.

Background

The cotton is characterized in that the moisture absorption capacity is strong, the cotton fiber is a porous substance, the arrangement of internal molecules is irregular, and the molecules contain a large number of hydrophilic structures. The cotton fiber is a poor thermal conductor, the inner cavity of the cotton fiber is filled with stagnant air, the cotton fiber is comfortable to wear, does not generate static electricity, and is good in air permeability, sensitive in prevention and easy to clean. However, the cotton fiber is used as a natural fiber, has poor bacteriostatic ability, and is easy to be infected with skin shedding matters or grease when being attached to the skin due to strong moisture absorption, so that bacteria are easy to generate. The artificial leather is produced by foaming or film-covering PVC, PU and the like with different formulas on a textile fabric base or a non-woven fabric base, can be processed according to the requirements of different strengths, colors, gloss, patterns and the like, has various designs and colors, good waterproof performance and strong anti-fouling capability, but can not be worn close to the skin due to excessive additives, and the artificial leather and flannelette are compounded at present to be similar to a leather jacket, so that the defects of heavy weight, easy aging and heavy peculiar smell of the artificial leather compound fabric still exist. Therefore, a preparation method of the antibacterial and anti-fouling fabric is provided.

Disclosure of Invention

The invention aims to solve the problems and provide a preparation method of a bacteriostatic antifouling fabric with reasonable design.

The invention realizes the purpose through the following technical scheme:

the invention provides a preparation method of an antibacterial and anti-fouling fabric, which comprises a leather layer and a flexible layer, and comprises the following steps:

(1) preparing a leather layer: performing steam odor-removing treatment on the artificial leather, and then performing activation treatment to obtain an activated leather layer;

(2) preparing a flexible layer: kneading the antibacterial cotton fiber, the anti-fouling cotton fiber and the polyester fiber into threads, and weaving the threads by using sewing equipment to obtain a flexible layer;

(3) compounding the fabric: and after the leather layer and the flexible layer are subjected to steam treatment in the same environment, uniformly coating an adhesive on the rough surface of the leather layer, and performing hot-pressing compounding on the rough surfaces of the flexible layer and the leather layer to form the antibacterial and anti-fouling fabric.

As a further improvement of the invention, in the step (1), after the artificial leather is subjected to activation treatment, an anti-aging agent is coated on the bright surface of the leather.

As a further improvement of the invention, the anti-aging agent consists of tricarboxyphenylboronic acid, hyperbranched polyester acrylate and a crosslinking agent.

As a further improvement of the invention, the activation treatment in the step (1) comprises acid washing and catalysis, and specifically comprises the following steps: the artificial leather is pickled by mixed acid solution, and then the artificial leather is put into a catalyst for impregnation.

As a further improvement of the invention, the volume concentration of the salicylic acid in the mixed acid solution is 5-10%, and the volume concentration of the hyaluronic acid is 20-30%.

As a further improvement of the invention, the catalyst is one of ammonium chloride and diammonium hydrogen phosphate.

As a further improvement of the invention, the flexible layer comprises 40-45% of bacteriostatic cotton fiber, 40-45% of anti-fouling cotton fiber and 10-20% of polyester fiber.

As a further improvement of the invention, the antibacterial cotton fiber is obtained by soaking cotton fiber in a nano copper-silver solution, the mass of the nano copper-silver particles accounts for 0.010-0.015 per mill of the total mass of the antibacterial cotton fiber, the anti-fouling cotton fiber is obtained by soaking cotton fiber in nano titanium dioxide and nano silicon dioxide solutions, and the mass of the nano titanium dioxide particles and the mass of the nano silicon dioxide particles respectively account for 0.02-0.05 per mill of the total mass of the antibacterial cotton fiber.

As a further improvement of the present invention, the steam treatment in step (3) specifically comprises: the mixed solution of 5-10% of isopropyl myristate, 10-20% of liquid detergent and 70-90% of water in percentage by mass is used as steam.

As a further improvement of the invention, the steam treatment is carried out in an environment of 1.4-1.7 MPa.

The invention has the beneficial effects that: according to the preparation method of the antibacterial anti-fouling fabric, before the artificial leather and the flexible layer mainly comprising the cotton fibers are subjected to composite hot pressing, the peculiar smell of the artificial leather is removed through steam, the peculiar smell of the artificial leather in the later steam treatment is prevented from influencing the steam atmosphere, the activated artificial leather is combined with the anti-aging agent, the anti-aging and anti-scraping performances of the artificial leather can be improved, and the antibacterial cotton fibers, the anti-fouling cotton fibers and the polyester fibers are used as the skin-attached fabric, so that the bacterial breeding can be prevented, and meanwhile, the antibacterial anti-fouling fabric has a self-cleaning function; according to the invention, the artificial leather and the flexible layer are compounded, steam is carried out in the same steam environment, the surface atmosphere of the two fabrics is the same by exchanging, the shrinkage rates of the two fabrics are approximate, and the shrinkage rate of the whole fabric is reduced after hot-pressing compounding; the artificial leather is characterized in that the artificial leather is outside, oil stain contamination is convenient to remove, the artificial leather is inside the flexible layer, and the artificial leather is soft, strong in bacteriostatic ability and light in weight.

Detailed Description

The present application is described in further detail below, and it should be noted that the following detailed description is provided for illustrative purposes only, and is not intended to limit the scope of the present application, which is defined by the appended claims.

Example 1

The antibacterial and anti-fouling fabric comprises a leather layer and a flexible layer, and the preparation method comprises the following steps:

(1) preparing a leather layer: after the artificial leather PU is subjected to steam odor removal treatment, the artificial leather PU is subjected to acid washing treatment by adopting a mixed acid solution with the volume concentration of salicylic acid of 5% and the volume concentration of hyaluronic acid of 30%, then the artificial leather PU is put into an ammonium chloride solution for dipping, the activation energy of the artificial leather PU is reduced, an activation site is provided, and an anti-aging agent is coated on the bright surface of the leather to obtain an activated leather layer;

(2) preparing a flexible layer: kneading 40% of antibacterial cotton fiber, 40% of anti-fouling cotton fiber and 20% of polyester fiber into threads, and weaving by using sewing equipment to obtain a flexible layer;

(3) compounding the fabric: the method comprises the following steps of carrying out steam treatment on a leather layer and a flexible layer in the same environment, adopting a mixed solution of 5% by mass of isopropyl myristate, 10% by mass of liquid detergent and 85% by mass of water as steam, carrying out the steam treatment in an environment of 1.4-1.7MPa, uniformly coating an adhesive on the rough surface of the leather layer after the steam treatment, and carrying out hot-pressing compounding on the rough surface of the flexible layer and the rough surface of the leather layer to form the antibacterial and anti-fouling fabric.

Wherein the anti-aging agent consists of tricarboxyphenylboronic acid, hyperbranched polyester acrylate and a crosslinking agent.

The antibacterial cotton fiber is obtained by soaking cotton fiber in a nano copper-silver solution, the mass of nano copper-silver particles accounts for 0.015 per mill of the total mass of the antibacterial cotton fiber, the anti-fouling cotton fiber is obtained by soaking cotton fiber in a nano titanium dioxide and nano silicon dioxide solution, and the mass of the nano titanium dioxide particles and the mass of the nano silicon dioxide particles respectively account for 0.02 per mill of the total mass of the antibacterial cotton fiber.

Example 2

The antibacterial and anti-fouling fabric comprises a leather layer and a flexible layer, and the preparation method comprises the following steps:

(1) preparing a leather layer: after the artificial leather PU is subjected to steam odor removal treatment, the artificial leather PU is subjected to acid washing treatment by adopting a mixed acid solution with the volume concentration of salicylic acid of 5% and the volume concentration of hyaluronic acid of 30%, then the artificial leather PU is put into an ammonium chloride solution for dipping, the activation energy of the artificial leather PU is reduced, an activation site is provided, and an anti-aging agent is coated on the bright surface of the leather to obtain an activated leather layer; the other steps are the same as in example 1.

Example 3

The antibacterial and anti-fouling fabric comprises a leather layer and a flexible layer, and the preparation method comprises the following steps:

(1) preparing a leather layer: after the artificial leather PU is subjected to steam odor removal treatment, the artificial leather PU is subjected to acid washing treatment by adopting a mixed acid solution with the volume concentration of salicylic acid being 10% and the volume concentration of hyaluronic acid being 20%, then the artificial leather PU is put into an ammonium chloride solution for dipping, the activation energy of the artificial leather PU is reduced, an activation site is provided, and an anti-aging agent is coated on the bright surface of the leather to obtain an activated leather layer;

the other steps are the same as in example 1.

Example 4

The antibacterial and anti-fouling fabric comprises a leather layer and a flexible layer, and the preparation method comprises the following steps:

(1) preparing a leather layer: after the artificial leather PU is subjected to steam odor removal treatment, the artificial leather PU is subjected to acid washing treatment by adopting a mixed acid solution with the volume concentration of salicylic acid being 10% and the volume concentration of hyaluronic acid being 20%, then the artificial leather PU is put into an ammonium chloride solution for dipping, the activation energy of the artificial leather PU is reduced, an activation site is provided, and an anti-aging agent is coated on the bright surface of the leather to obtain an activated leather layer;

(2) preparing a flexible layer: kneading 40% of antibacterial cotton fiber, 40% of anti-fouling cotton fiber and 20% of polyester fiber into threads, and weaving by using sewing equipment to obtain a flexible layer;

(3) compounding the fabric: the method comprises the following steps of carrying out steam treatment on a leather layer and a flexible layer in the same environment, adopting a mixed solution of 10% by mass of isopropyl myristate, 20% by mass of liquid detergent and 70% by mass of water as steam, carrying out the steam treatment in an environment of 1.4-1.7MPa, uniformly coating an adhesive on the rough surface of the leather layer after the steam treatment, and carrying out hot-pressing compounding on the rough surface of the flexible layer and the rough surface of the leather layer to form the antibacterial and anti-fouling fabric.

Wherein the anti-aging agent consists of tricarboxyphenylboronic acid, hyperbranched polyester acrylate and a crosslinking agent.

The antibacterial cotton fiber is obtained by soaking cotton fiber in a nano copper-silver solution, the mass of nano copper-silver particles accounts for 0.010 per mill of the total mass of the antibacterial cotton fiber, the anti-fouling cotton fiber is obtained by soaking cotton fiber in a nano titanium dioxide and nano silicon dioxide solution, and the mass of the nano titanium dioxide particles and the mass of the nano silicon dioxide particles respectively account for 0.05 per mill of the total mass of the antibacterial cotton fiber.

Comparative example 1

The antibacterial anti-fouling fabric comprises a leather layer and a flexible layer, and the preparation method comprises the following steps:

(1) preparing a leather layer: carrying out acid cleaning treatment on the artificial leather PU by adopting a mixed acid solution with the salicylic acid volume concentration of 10% and the hyaluronic acid volume concentration of 20%, then soaking the artificial leather PU in an ammonium chloride solution, reducing the activation energy of the artificial leather PU, providing an activation site, and coating an anti-aging agent on the bright surface of the leather to obtain an activated leather layer; the rest of the procedure was the same as in example 4.

Comparative example 2

The antibacterial anti-fouling fabric comprises a leather layer and a flexible layer, and the preparation method comprises the following steps:

(1) preparing a leather layer: after the artificial leather PU is subjected to steam odor removal treatment, coating an anti-aging agent on the bright surface of the leather to obtain a leather layer; the rest of the procedure was the same as in example 4.

Comparative example 3

The antibacterial anti-fouling fabric comprises a leather layer and a flexible layer, and the preparation method comprises the following steps:

wherein, the step (2) is to prepare a flexible layer: kneading 80% of antibacterial cotton fiber and 20% of polyester fiber into silk threads, and weaving through sewing equipment to obtain a flexible layer; the rest is the same as example 4.

Comparative example 4

The antibacterial anti-fouling fabric comprises a leather layer and a flexible layer, and the preparation method comprises the following steps:

wherein, the step (2) is to prepare a flexible layer: kneading 80% of anti-fouling cotton fiber and 20% of polyester fiber into silk threads, and weaving through sewing equipment to obtain a flexible layer; the rest is the same as example 4.

Comparative example 5

The antibacterial anti-fouling fabric comprises a leather layer and a flexible layer, and the preparation method comprises the following steps:

wherein, the composite fabric in the step (3): and uniformly coating an adhesive on the rough surface of the leather layer, and performing hot-pressing compounding on the rough surfaces of the flexible layer and the leather layer to form the antibacterial and anti-fouling fabric. The rest is the same as example 4.

Comparative example 6

The antibacterial anti-fouling fabric comprises a leather layer and a flexible layer, and the preparation method comprises the following steps:

wherein, the composite fabric in the step (3): respectively carrying out steam treatment on the leather layer and the flexible layer, adopting a mixed solution of 5% isopropyl myristate, 10% detergent and 85% water in percentage by mass as steam, carrying out the steam treatment under the environment of 1.4-1.7MPa, uniformly coating an adhesive on the rough surface of the leather layer after the steam treatment, and carrying out hot-pressing compounding on the rough surface of the flexible layer and the rough surface of the leather layer to form the antibacterial and anti-fouling fabric. The rest is the same as example 4.

Comparative example 7

Wherein, the composite fabric in the step (3): carrying out common steam treatment on the leather layer and the flexible layer in the same environment, uniformly coating an adhesive on the rough surface of the leather layer after the steam treatment, and carrying out hot-pressing compounding on the rough surfaces of the flexible layer and the leather layer to form the antibacterial anti-fouling fabric. The rest is the same as example 4.

Comparative example 8

The antibacterial anti-fouling fabric comprises a leather layer and a flexible layer, and the preparation method comprises the following steps:

(1) preparing a leather layer: after the artificial leather PU is subjected to steam odor removal treatment, the artificial leather PU is subjected to acid washing treatment by adopting a mixed acid solution with the salicylic acid volume concentration of 5% and the hyaluronic acid volume concentration of 30%, then the artificial leather PU is put into an ammonium chloride solution for dipping, the activation energy of the artificial leather PU is reduced, an activation site is provided, and then an ultraviolet absorbent UV-SK is coated on the bright surface of the leather to obtain an activated leather layer; the rest is the same as example 4.

The fabrics prepared in examples 1-4 and comparative examples 1-8 were subjected to the following tests:

1. measuring the quality of the fabric with the same thickness and area, wherein the comparative example 9 adopts the fabric compounded by artificial leather and flannelette on the market;

2. cutting the fabric into small pieces, putting the small pieces into a culture medium, culturing for 24 hours, and reflecting the bacteriostatic effect of the preparation method according to the radius of the bacteriostatic zone;

3. the outer surface and the inner surface of the fabric are straightened, oil stains are respectively dripped on the fabric in a vertical state, then the outer surface is wiped by using a washing-free washing solution, the inner surface is cleaned by using a washing solution and then is aired in the sun, and an anti-stain result is embodied by the depth of the residual mark of the oil stains being 10-0.

TABLE 1 test results for fabrics made by the methods of examples 1-4 and comparative examples 1-8

Item	Mass/g	Anti-fouling/exterior surface	Anti-fouling/inner surface	Bacteriostasis/mm	Shrinkage ratio/%
						Example 1	1005	2	0	7.8	-3.2
Example 2	1004	0	0	9.1	-2.5
						Example 3	1004	0	0	9.7	-2.6
Example 4	1005	0	0	10.2	-2.2
						Comparative example 1	1006	1	0	10.1	-3.3
Comparative example 2	1007	2	0	8.4	-5.1
						Comparative example 3	1009	0	6	6.3	-2.4
Comparative example 4	1005	0	1	5.2	-2.2
						Comparative example 5	1008	0	1	9.9	-4.6
Comparative example 6	1004	0	0	10.3	-3.9
						Comparative example 7	1006	0	0	9.8	-3.4
Comparative example 8	1005	0	0	7.7	-2.9
						Comparative example 9	1322	3	8	No generation of bacteria inhibiting zone	-4.6

As can be seen from the table above, the antibacterial and anti-fouling fabric prepared by the invention has lighter weight compared with the commercially available artificial leather composite flannel fabric; through the findings in examples 1-4, the anti-aging agent has certain influence on the anti-fouling capability of the outside, and the comparison of comparative examples 1-9 shows that the initial odor particles of the artificial leather have influence on the anti-fouling capability, the anti-fouling capability of comparative example 2 is relatively poor, the anti-fouling capability of the activated artificial leather is relatively strong, the activation energy of the activated artificial leather is presumably reduced, the artificial leather is more easily combined with the anti-aging agent and is more easily penetrated in the subsequent treatment, and according to the conjecture, the scratch tests are further carried out on examples 1 and 4 and comparative examples 8 and 9, and the scratch degree is compared with example 1, example 8 and example 4; in the oil stain tests of the examples 1 to 4, it is also found that the flexible layer is washed by the laundry detergent after the oil stain is dropped on the flexible layer, the speed of drying the oil stain in the sun is fast, no mark exists, and when the illumination condition is not good, the flexible layer still can display a light mark; as can be seen from the bacteriostatic results of examples 1-4 and comparative examples 1-9, all the steps of the method have bacteriostatic effect; as can be seen from the shrinkage results of examples 1-4 and comparative examples 1-9, different steam treatments affected the shrinkage of the face fabric.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.