阅读说明：本技术 可降解抗菌膜袋及其制备方法 (Degradable antibacterial film bag and preparation method thereof ) 是由 熊露璐 吴雅琳 于 2020-12-29 设计创作，主要内容包括：本发明公开了可降解抗菌膜袋及其制备方法,包括以下份额的原材料：所述脂肪族聚酯降解料的份额为14～21％,所述有机铬络合物的份额为8～15％,所述聚乙烯底料的份额为33～46％,所述三羟甲基丙烷三的份额为11～18％,所述降促剂的份额为13～27％,所述脂肪族聚酯降解料的份额为18％,所述有机铬络合物的份额为14％,所述聚乙烯底料的份额为39％,所述三羟甲基丙烷三的份额为14％,所述降促剂的份额为15％。本发明所述的可降解抗菌膜袋及其制备方法,设有聚乙烯底料与脂肪族聚酯降解料,能够方便更好的对膜袋进行降解操作,添加有降促剂,加快降解速度,使用更加环保,设有环保抗菌内膜,增加膜袋的抗菌效果,使用性能优异,带来更好的使用前景。(The invention discloses a degradable antibacterial film bag and a preparation method thereof, wherein the degradable antibacterial film bag comprises the following raw materials in parts by weight: the aliphatic polyester degradable material comprises 14-21% of aliphatic polyester degradable material, 8-15% of organic chromium complex, 33-46% of polyethylene base material, 11-18% of trimethylolpropane tris, 13-27% of degradation promoter, 18% of aliphatic polyester degradable material, 14% of organic chromium complex, 39% of polyethylene base material, 14% of trimethylolpropane tris and 15% of degradation promoter. The degradable antibacterial film bag and the preparation method thereof provided by the invention are provided with the polyethylene bottom material and the aliphatic polyester degradation material, can be used for conveniently and better degrading the film bag, are added with the degradation promoter, accelerate the degradation speed, are more environment-friendly to use, are provided with the environment-friendly antibacterial inner film, increase the antibacterial effect of the film bag, are excellent in service performance and bring better use prospects.)

1. Degradable antibiotic membrane bag, its characterized in that: comprises the following raw materials in parts by weight: the aliphatic polyester degradable material accounts for 14-21%, the organic chromium complex accounts for 8-15%, the polyethylene base material accounts for 33-46%, the trimethylolpropane tris accounts for 11-18%, and the degradation promoter accounts for 13-27%.

2. The degradable antimicrobial film pouch of claim 1, wherein: the aliphatic polyester degradation material accounts for 18%, the organic chromium complex accounts for 14%, the polyethylene base material accounts for 39%, the trimethylolpropane tris accounts for 14%, and the degradation promoter accounts for 15%.

3. The degradable antimicrobial film pouch of claim 1, wherein: the content of the aliphatic polyester degradation material is 19%, the content of the organic chromium complex is 13%, the content of the polyethylene base material is 41%, the content of the trimethylolpropane tris is 13%, and the content of the degradation promoter is 14%.

4. The preparation method of the degradable antibacterial film bag is characterized by comprising the following steps: the method comprises the following operation steps:

s1: selecting a certain amount of polyethylene bottom materials, wherein the polyethylene bottom materials are made of high-molecular polymer materials, the main component of the polyethylene bottom materials is resin, artificially synthesizing the polyethylene bottom materials, selecting a certain amount of aliphatic polyester degradation materials, the aliphatic polyester degradation materials mainly comprise polylactic acid, polycaprolactone, polyhydroxyalkanoate, polybutylene succinate and the like, and degrading the aliphatic polyester degradation materials in a heating mode;

s2: selecting a certain amount of organic chromium complex, wherein the organic chromium complex is formed by unsaturated organic acid and trivalent chromium ions and is compounded with an aliphatic polyester degradation material to increase the degradation stability, selecting a certain amount of trimethylolpropane III, the trimethylolpropane III is mainly used as an intermediate, selecting a certain amount of degradation promoter, and the degradation promoter accelerates the degradation speed;

s3: mixing and proportioning a polyethylene base material serving as a base material, an aliphatic polyester degradation material, an organic chromium complex, trimethylolpropane and a degradation promoter, and performing processing operations such as extrusion, film blowing, tape casting and the like through a machine to obtain a degradable film;

s4: preparing an environment-friendly antibacterial inner film, wherein the environment-friendly antibacterial inner film comprises a composite antibacterial film, a polyisobutylene succinimide ashless additive, an ionic antibacterial polymer, a benzoic acid agent and an organic environment-friendly solvent, and the polyisobutylene succinimide ashless additive increases the high-temperature stability;

s5: taking the composite antibacterial film as a base material, mixing and proportioning the polyisobutylene succinimide ashless additive, the ionic antibacterial polymer, the benzoic acid agent and the organic environment-friendly solvent, and performing processing operations such as extrusion, film blowing, tape casting and the like by a machine to obtain an environment-friendly antibacterial inner film;

s6: heating laminating operation is carried out on the degradable film and the environment-friendly antibacterial inner film through a machine, the heating temperature is 80-99 ℃, the degradable antibacterial film can be obtained, then cooling, trimming and pressurizing rolling operation are carried out, and the degradable antibacterial film bag is formed.

5. The method for preparing the degradable antibacterial film bag according to claim 4, wherein the method comprises the following steps: in the step S4, the proportion of the ashless additive of polyisobutylene succinimide is 21-29%, the proportion of the benzoic acid agent is 10-20%, the proportion of the composite antibacterial film is 33-44%, the proportion of the organic environment-friendly solvent is 9-19%, and the proportion of the ionic antibacterial polymer is 14-27%.

6. The method for preparing the degradable antibacterial film bag according to claim 4, wherein the method comprises the following steps: the composition comprises 22% of the polyisobutylene succinimide ashless additive, 12% of the benzoic acid agent, 36% of the composite antibacterial film, 13% of the organic environment-friendly solvent and 17% of the ionic antibacterial polymer.

7. The method for preparing the degradable antibacterial film bag according to claim 4, wherein the method comprises the following steps: the content of the polyisobutylene succinimide ashless additive is 23%, the content of the benzoic acid agent is 11%, the content of the composite antibacterial film is 38%, the content of the organic environment-friendly solvent is 12%, and the content of the ionic antibacterial polymer is 16%.

Technical Field

The invention relates to the field of degradable antibacterial film bags, in particular to a degradable antibacterial film bag and a preparation method thereof.

Background

The degradable antibacterial film bag and the preparation method thereof are a supporting method for manufacturing the antibacterial film bag, the package is visible anywhere in life, the use of the package is not less, the plastic bag has a large use, and is a convenient article to carry, and is a living accessory.

The existing degradable antibacterial film bag and the preparation method thereof have certain disadvantages in use, cannot be well degraded, easily cause pollution to the environment and are not beneficial to use of people, and also cannot be well antibacterial in use, the use performance is reduced, and certain adverse effects are brought to the use process of people.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the degradable antibacterial film bag and the preparation method thereof, the degradable antibacterial film bag is provided with the polyethylene bottom material and the aliphatic polyester degradation material, the film bag can be conveniently and better degraded, the degradation promoter is added, the degradation speed is accelerated, the use is more environment-friendly, the environment-friendly antibacterial inner film is arranged, the antibacterial effect of the film bag is improved, the service performance is excellent, and the problems in the background art can be effectively solved.

(II) technical scheme

In order to achieve the purpose, the invention adopts the technical scheme that: the degradable antibacterial film bag comprises the following raw materials in parts by weight: the aliphatic polyester degradable material accounts for 14-21%, the organic chromium complex accounts for 8-15%, the polyethylene base material accounts for 33-46%, the trimethylolpropane tris accounts for 11-18%, and the degradation promoter accounts for 13-27%.

In a preferred embodiment, the content of the aliphatic polyester degradation material is 18%, the content of the organic chromium complex is 14%, the content of the polyethylene base material is 39%, the content of the trimethylolpropane tris is 14%, and the content of the degradation promoter is 15%.

In a preferred embodiment, the content of the aliphatic polyester degradation material is 19%, the content of the organic chromium complex is 13%, the content of the polyethylene base material is 41%, the content of the trimethylolpropane tris is 13%, and the content of the degradation promoter is 14%.

The preparation method of the degradable antibacterial film bag comprises the following operation steps:

s1: selecting a certain amount of polyethylene bottom materials, wherein the polyethylene bottom materials are made of high-molecular polymer materials, the main component of the polyethylene bottom materials is resin, artificially synthesizing the polyethylene bottom materials, selecting a certain amount of aliphatic polyester degradation materials, the aliphatic polyester degradation materials mainly comprise polylactic acid, polycaprolactone, polyhydroxyalkanoate, polybutylene succinate and the like, and degrading the aliphatic polyester degradation materials in a heating mode;

s2: selecting a certain amount of organic chromium complex, wherein the organic chromium complex is formed by unsaturated organic acid and trivalent chromium ions and is compounded with an aliphatic polyester degradation material to increase the degradation stability, selecting a certain amount of trimethylolpropane III, the trimethylolpropane III is mainly used as an intermediate, selecting a certain amount of degradation promoter, and the degradation promoter accelerates the degradation speed;

s3: mixing and proportioning a polyethylene base material serving as a base material, an aliphatic polyester degradation material, an organic chromium complex, trimethylolpropane and a degradation promoter, and performing processing operations such as extrusion, film blowing, tape casting and the like through a machine to obtain a degradable film;

s4: preparing an environment-friendly antibacterial inner film, wherein the environment-friendly antibacterial inner film comprises a composite antibacterial film, a polyisobutylene succinimide ashless additive, an ionic antibacterial polymer, a benzoic acid agent and an organic environment-friendly solvent, and the polyisobutylene succinimide ashless additive increases the high-temperature stability;

s5: taking the composite antibacterial film as a base material, mixing and proportioning the polyisobutylene succinimide ashless additive, the ionic antibacterial polymer, the benzoic acid agent and the organic environment-friendly solvent, and performing processing operations such as extrusion, film blowing, tape casting and the like by a machine to obtain an environment-friendly antibacterial inner film;

s6: heating laminating operation is carried out on the degradable film and the environment-friendly antibacterial inner film through a machine, the heating temperature is 80-99 ℃, the degradable antibacterial film can be obtained, then cooling, trimming and pressurizing rolling operation are carried out, and the degradable antibacterial film bag is formed.

In a preferable technical scheme, in the step S4, the proportion of the ashless additive of polyisobutylene succinimide is 21-29%, the proportion of the benzoic acid agent is 10-20%, the proportion of the composite antibacterial film is 33-44%, the proportion of the organic environment-friendly solvent is 9-19%, and the proportion of the ionic antibacterial polymer is 14-27%.

As a preferable technical scheme, the proportion of the polyisobutylene succinimide ashless additive is 22%, the proportion of the benzoic acid agent is 12%, the proportion of the composite antibacterial film is 36%, the proportion of the organic environment-friendly solvent is 13%, and the proportion of the ionic antibacterial polymer is 17%.

As a preferable technical scheme, the content of the polyisobutylene succinimide ashless additive is 23%, the content of the benzoic acid agent is 11%, the content of the composite antibacterial film is 38%, the content of the organic environment-friendly solvent is 12%, and the content of the ionic antibacterial polymer is 16%.

(III) advantageous effects

Compared with the prior art, the invention provides the degradable antibacterial film bag and the preparation method thereof, and the degradable antibacterial film bag has the following beneficial effects: the degradable antibacterial film bag and the preparation method thereof are provided with the polyethylene base material and the aliphatic polyester degradation material, can conveniently and better degrade the film bag, are added with the degradation promoter, accelerate the degradation speed, are more environment-friendly in use, are provided with the environment-friendly antibacterial inner film, increase the antibacterial effect of the film bag, have excellent use performance, select a certain amount of polyethylene base material, the polyethylene base material adopts a high molecular polymer material, the main component is resin, is synthesized by manpower, selects a certain amount of the aliphatic polyester degradation material, the aliphatic polyester degradation material mainly comprises polylactic acid, polycaprolactone, polyhydroxyalkanoate, polybutylene succinate and the like, is degraded by a heating mode, selects a certain amount of organic chromium complex, the organic chromium complex is formed by unsaturated organic acid and trivalent chromium ions and is compounded with the aliphatic polyester degradation material, the method comprises the steps of increasing degradation stability, selecting a certain amount of trimethylolpropane III which is mainly used as an intermediate, selecting a certain amount of degradation accelerator to accelerate degradation, mixing and proportioning a polyethylene substrate as a base material, an aliphatic polyester degradation material, an organic chromium complex, the trimethylolpropane III and the degradation accelerator, extruding, film blowing, tape casting and the like through a machine to obtain a degradable film, preparing an environment-friendly antibacterial inner film, wherein the environment-friendly antibacterial inner film comprises a composite antibacterial film, a polyisobutylene succinimide ashless additive, an ionic antibacterial polymer, a benzoic acid agent and an organic environment-friendly solvent, the polyisobutylene succinimide ashless additive increases high-temperature stability, the composite antibacterial film is used as the base material, and the polyisobutylene succinimide ashless additive, the ionic antibacterial polymer, the benzoic acid agent and the organic environment-friendly solvent are added into the environment-friendly antibacterial inner film, Benzoic acid agent and organic environmental protection solvent carry out the mixture ratio, extrude through the machine, the blown film, processing operations such as curtain coating, obtain the antibiotic inner membrance of environmental protection, carry out the laminating operation of heat with degradable membrane and the antibiotic inner membrance of environmental protection through the machine, heating temperature is 80 ~ 99 degrees centigrade, can obtain the antibiotic membrane of degradable, then cool off, cut edge, pressurization rolling operation, the shaping of the antibiotic membrane bag of degradable, whole antibiotic membrane bag of degradable and preparation method simple structure, and convenient operation, the effect of use is better for traditional mode.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example 1:

the degradable antibacterial film bag comprises the following raw materials in parts by weight: the aliphatic polyester degradation material accounts for 14-21%, the organic chromium complex accounts for 8-15%, the polyethylene base material accounts for 33-46%, the trimethylolpropane tris accounts for 11-18%, and the accelerant accounts for 13-27%.

Furthermore, the content of the aliphatic polyester degradation material is 18%, the content of the organic chromium complex is 14%, the content of the polyethylene base material is 39%, the content of the trimethylolpropane tris is 14%, and the content of the reduction accelerator is 15%.

Furthermore, the content of the aliphatic polyester degradation material is 19%, the content of the organic chromium complex is 13%, the content of the polyethylene base material is 41%, the content of the trimethylolpropane tris is 13%, and the content of the degradation promoter is 14%.

The preparation method of the degradable antibacterial film bag comprises the following operation steps:

s1: selecting a certain amount of polyethylene bottom materials, wherein the polyethylene bottom materials are made of high molecular polymer materials, the main component of the polyethylene bottom materials is resin, synthesizing the polyethylene bottom materials by manpower, selecting a certain amount of aliphatic polyester degradation materials, the aliphatic polyester degradation materials mainly comprise polylactic acid, polycaprolactone, polyhydroxyalkanoate, polybutylene succinate and the like, and degrading the aliphatic polyester degradation materials in a heating mode;

s2: selecting a certain amount of organic chromium complex, wherein the organic chromium complex is formed by unsaturated organic acid and trivalent chromium ions and is compounded with an aliphatic polyester degradation material to increase the degradation stability, selecting a certain amount of trimethylolpropane III which is mainly used as an intermediate, selecting a certain amount of degradation promoter, and accelerating the degradation speed by the degradation promoter;

s3: mixing and proportioning a polyethylene base material serving as a base material, an aliphatic polyester degradation material, an organic chromium complex, trimethylolpropane and a degradation promoter, and performing processing operations such as extrusion, film blowing, tape casting and the like through a machine to obtain a degradable film;

s4: preparing an environment-friendly antibacterial inner film, wherein the environment-friendly antibacterial inner film comprises a composite antibacterial film, a polyisobutylene succinimide ashless additive, an ionic antibacterial polymer, a benzoic acid agent and an organic environment-friendly solvent, and the polyisobutylene succinimide ashless additive increases the high-temperature stability;

s5: taking the composite antibacterial film as a base material, mixing and proportioning the polyisobutylene succinimide ashless additive, the ionic antibacterial polymer, the benzoic acid agent and the organic environment-friendly solvent, and performing processing operations such as extrusion, film blowing, tape casting and the like by a machine to obtain an environment-friendly antibacterial inner film;

s6: heating laminating operation is carried out on the degradable film and the environment-friendly antibacterial inner film through a machine, the heating temperature is 80-99 ℃, the degradable antibacterial film can be obtained, then cooling, trimming and pressurizing rolling operation are carried out, and the degradable antibacterial film bag is formed.

Furthermore, in the step S4, the proportion of the polyisobutylene succinimide ashless additive is 21-29%, the proportion of the benzoic acid agent is 10-20%, the proportion of the composite antibacterial film is 33-44%, the proportion of the organic environment-friendly solvent is 9-19%, and the proportion of the ionic antibacterial polymer is 14-27%.

Furthermore, the proportion of the polyisobutylene succinimide ashless additive is 22%, the proportion of the benzoic acid agent is 12%, the proportion of the composite antibacterial film is 36%, the proportion of the organic environment-friendly solvent is 13%, and the proportion of the ionic antibacterial polymer is 17%.

Furthermore, the proportion of the polyisobutylene succinimide ashless additive is 23%, the proportion of the benzoic acid agent is 11%, the proportion of the composite antibacterial film is 38%, the proportion of the organic environment-friendly solvent is 12%, and the proportion of the ionic antibacterial polymer is 16%.

Example 2:

on the basis of the embodiment 1, the degradable antibacterial film bag comprises the following raw materials: the aliphatic polyester degradation material accounts for 14-21%, the organic chromium complex accounts for 8-15%, the polyethylene base material accounts for 33-46%, the trimethylolpropane tris accounts for 11-18%, and the accelerant accounts for 13-27%.

Furthermore, the content of the aliphatic polyester degradation material is 18%, the content of the organic chromium complex is 14%, the content of the polyethylene base material is 39%, the content of the trimethylolpropane tris is 14%, and the content of the reduction accelerator is 15%.

Furthermore, the content of the aliphatic polyester degradation material is 19%, the content of the organic chromium complex is 13%, the content of the polyethylene base material is 41%, the content of the trimethylolpropane tris is 13%, and the content of the degradation promoter is 14%.

The preparation method of the degradable antibacterial film bag comprises the following operation steps:

s1: selecting a certain amount of polyethylene bottom materials, wherein the polyethylene bottom materials are made of high molecular polymer materials, the main component of the polyethylene bottom materials is resin, synthesizing the polyethylene bottom materials by manpower, selecting a certain amount of aliphatic polyester degradation materials, the aliphatic polyester degradation materials mainly comprise polylactic acid, polycaprolactone, polyhydroxyalkanoate, polybutylene succinate and the like, and degrading the aliphatic polyester degradation materials in a heating mode;

s2: selecting a certain amount of organic chromium complex, wherein the organic chromium complex is formed by unsaturated organic acid and trivalent chromium ions and is compounded with an aliphatic polyester degradation material to increase the degradation stability, selecting a certain amount of trimethylolpropane III which is mainly used as an intermediate, selecting a certain amount of degradation promoter, and accelerating the degradation speed by the degradation promoter;

s3: mixing and proportioning a polyethylene base material serving as a base material, an aliphatic polyester degradation material, an organic chromium complex, trimethylolpropane and a degradation promoter, and performing processing operations such as extrusion, film blowing, tape casting and the like through a machine to obtain a degradable film;

s4: preparing an environment-friendly antibacterial inner film, wherein the environment-friendly antibacterial inner film comprises a composite antibacterial film, a polyisobutylene succinimide ashless additive, an ionic antibacterial polymer, a benzoic acid agent and an organic environment-friendly solvent, and the polyisobutylene succinimide ashless additive increases the high-temperature stability;

s5: taking the composite antibacterial film as a base material, mixing and proportioning the polyisobutylene succinimide ashless additive, the ionic antibacterial polymer, the benzoic acid agent and the organic environment-friendly solvent, and performing processing operations such as extrusion, film blowing, tape casting and the like by a machine to obtain an environment-friendly antibacterial inner film;

s6: heating laminating operation is carried out on the degradable film and the environment-friendly antibacterial inner film through a machine, the heating temperature is 80-99 ℃, the degradable antibacterial film can be obtained, then cooling, trimming and pressurizing rolling operation are carried out, and the degradable antibacterial film bag is formed.

Furthermore, in the step S4, the proportion of the polyisobutylene succinimide ashless additive is 21-29%, the proportion of the benzoic acid agent is 10-20%, the proportion of the composite antibacterial film is 33-44%, the proportion of the organic environment-friendly solvent is 9-19%, and the proportion of the ionic antibacterial polymer is 14-27%.

Furthermore, the proportion of the polyisobutylene succinimide ashless additive is 22%, the proportion of the benzoic acid agent is 12%, the proportion of the composite antibacterial film is 36%, the proportion of the organic environment-friendly solvent is 13%, and the proportion of the ionic antibacterial polymer is 17%.

Furthermore, the proportion of the polyisobutylene succinimide ashless additive is 23%, the proportion of the benzoic acid agent is 11%, the proportion of the composite antibacterial film is 38%, the proportion of the organic environment-friendly solvent is 12%, and the proportion of the ionic antibacterial polymer is 16%.

Example 3:

on the basis of the embodiment 2, the degradable antibacterial film bag comprises the following raw materials: the aliphatic polyester degradation material accounts for 14-21%, the organic chromium complex accounts for 8-15%, the polyethylene base material accounts for 33-46%, the trimethylolpropane tris accounts for 11-18%, and the accelerant accounts for 13-27%.

Furthermore, the content of the aliphatic polyester degradation material is 18%, the content of the organic chromium complex is 14%, the content of the polyethylene base material is 39%, the content of the trimethylolpropane tris is 14%, and the content of the reduction accelerator is 15%.

Furthermore, the content of the aliphatic polyester degradation material is 19%, the content of the organic chromium complex is 13%, the content of the polyethylene base material is 41%, the content of the trimethylolpropane tris is 13%, and the content of the degradation promoter is 14%.

The preparation method of the degradable antibacterial film bag comprises the following operation steps:

s1: selecting a certain amount of polyethylene bottom materials, wherein the polyethylene bottom materials are made of high molecular polymer materials, the main component of the polyethylene bottom materials is resin, synthesizing the polyethylene bottom materials by manpower, selecting a certain amount of aliphatic polyester degradation materials, the aliphatic polyester degradation materials mainly comprise polylactic acid, polycaprolactone, polyhydroxyalkanoate, polybutylene succinate and the like, and degrading the aliphatic polyester degradation materials in a heating mode;

s2: selecting a certain amount of organic chromium complex, wherein the organic chromium complex is formed by unsaturated organic acid and trivalent chromium ions and is compounded with an aliphatic polyester degradation material to increase the degradation stability, selecting a certain amount of trimethylolpropane III which is mainly used as an intermediate, selecting a certain amount of degradation promoter, and accelerating the degradation speed by the degradation promoter;

s3: mixing and proportioning a polyethylene base material serving as a base material, an aliphatic polyester degradation material, an organic chromium complex, trimethylolpropane and a degradation promoter, and performing processing operations such as extrusion, film blowing, tape casting and the like through a machine to obtain a degradable film;

s4: preparing an environment-friendly antibacterial inner film, wherein the environment-friendly antibacterial inner film comprises a composite antibacterial film, a polyisobutylene succinimide ashless additive, an ionic antibacterial polymer, a benzoic acid agent and an organic environment-friendly solvent, and the polyisobutylene succinimide ashless additive increases the high-temperature stability;

s5: taking the composite antibacterial film as a base material, mixing and proportioning the polyisobutylene succinimide ashless additive, the ionic antibacterial polymer, the benzoic acid agent and the organic environment-friendly solvent, and performing processing operations such as extrusion, film blowing, tape casting and the like by a machine to obtain an environment-friendly antibacterial inner film;

s6: heating laminating operation is carried out on the degradable film and the environment-friendly antibacterial inner film through a machine, the heating temperature is 80-99 ℃, the degradable antibacterial film can be obtained, then cooling, trimming and pressurizing rolling operation are carried out, and the degradable antibacterial film bag is formed.

Furthermore, in the step S4, the proportion of the polyisobutylene succinimide ashless additive is 21-29%, the proportion of the benzoic acid agent is 10-20%, the proportion of the composite antibacterial film is 33-44%, the proportion of the organic environment-friendly solvent is 9-19%, and the proportion of the ionic antibacterial polymer is 14-27%.

Furthermore, the proportion of the polyisobutylene succinimide ashless additive is 22%, the proportion of the benzoic acid agent is 12%, the proportion of the composite antibacterial film is 36%, the proportion of the organic environment-friendly solvent is 13%, and the proportion of the ionic antibacterial polymer is 17%.

Furthermore, the proportion of the polyisobutylene succinimide ashless additive is 23%, the proportion of the benzoic acid agent is 11%, the proportion of the composite antibacterial film is 38%, the proportion of the organic environment-friendly solvent is 12%, and the proportion of the ionic antibacterial polymer is 16%.

Example 4:

on the basis of example 3, the degradable antibacterial film bag comprises the following raw materials: the aliphatic polyester degradation material accounts for 14-21%, the organic chromium complex accounts for 8-15%, the polyethylene base material accounts for 33-46%, the trimethylolpropane tris accounts for 11-18%, and the accelerant accounts for 13-27%.

Furthermore, the content of the aliphatic polyester degradation material is 18%, the content of the organic chromium complex is 14%, the content of the polyethylene base material is 39%, the content of the trimethylolpropane tris is 14%, and the content of the reduction accelerator is 15%.

Furthermore, the content of the aliphatic polyester degradation material is 19%, the content of the organic chromium complex is 13%, the content of the polyethylene base material is 41%, the content of the trimethylolpropane tris is 13%, and the content of the degradation promoter is 14%.

The preparation method of the degradable antibacterial film bag comprises the following operation steps:

s1: selecting a certain amount of polyethylene bottom materials, wherein the polyethylene bottom materials are made of high molecular polymer materials, the main component of the polyethylene bottom materials is resin, synthesizing the polyethylene bottom materials by manpower, selecting a certain amount of aliphatic polyester degradation materials, the aliphatic polyester degradation materials mainly comprise polylactic acid, polycaprolactone, polyhydroxyalkanoate, polybutylene succinate and the like, and degrading the aliphatic polyester degradation materials in a heating mode;

s2: selecting a certain amount of organic chromium complex, wherein the organic chromium complex is formed by unsaturated organic acid and trivalent chromium ions and is compounded with an aliphatic polyester degradation material to increase the degradation stability, selecting a certain amount of trimethylolpropane III which is mainly used as an intermediate, selecting a certain amount of degradation promoter, and accelerating the degradation speed by the degradation promoter;

s3: mixing and proportioning a polyethylene base material serving as a base material, an aliphatic polyester degradation material, an organic chromium complex, trimethylolpropane and a degradation promoter, and performing processing operations such as extrusion, film blowing, tape casting and the like through a machine to obtain a degradable film;

s4: preparing an environment-friendly antibacterial inner film, wherein the environment-friendly antibacterial inner film comprises a composite antibacterial film, a polyisobutylene succinimide ashless additive, an ionic antibacterial polymer, a benzoic acid agent and an organic environment-friendly solvent, and the polyisobutylene succinimide ashless additive increases the high-temperature stability;

s5: taking the composite antibacterial film as a base material, mixing and proportioning the polyisobutylene succinimide ashless additive, the ionic antibacterial polymer, the benzoic acid agent and the organic environment-friendly solvent, and performing processing operations such as extrusion, film blowing, tape casting and the like by a machine to obtain an environment-friendly antibacterial inner film;

s6: heating laminating operation is carried out on the degradable film and the environment-friendly antibacterial inner film through a machine, the heating temperature is 80-99 ℃, the degradable antibacterial film can be obtained, then cooling, trimming and pressurizing rolling operation are carried out, and the degradable antibacterial film bag is formed.

Furthermore, in the step S4, the proportion of the polyisobutylene succinimide ashless additive is 21-29%, the proportion of the benzoic acid agent is 10-20%, the proportion of the composite antibacterial film is 33-44%, the proportion of the organic environment-friendly solvent is 9-19%, and the proportion of the ionic antibacterial polymer is 14-27%.

Furthermore, the proportion of the polyisobutylene succinimide ashless additive is 22%, the proportion of the benzoic acid agent is 12%, the proportion of the composite antibacterial film is 36%, the proportion of the organic environment-friendly solvent is 13%, and the proportion of the ionic antibacterial polymer is 17%.

Furthermore, the proportion of the polyisobutylene succinimide ashless additive is 23%, the proportion of the benzoic acid agent is 11%, the proportion of the composite antibacterial film is 38%, the proportion of the organic environment-friendly solvent is 12%, and the proportion of the ionic antibacterial polymer is 16%.

The working principle is as follows: when the degradable polyvinyl chloride resin is used, a certain amount of polyethylene bottom material is selected, the polyethylene bottom material is made of high molecular polymer materials, the main components are resin, the resin is synthesized manually, a certain amount of aliphatic polyester degrading materials are selected, the aliphatic polyester degrading materials mainly comprise polylactic acid, polycaprolactone, polyhydroxyalkanoate, polybutylene succinate and the like, the degradation is carried out in a heating mode, a certain amount of organic chromium complex is selected, the organic chromium complex is formed by unsaturated organic acid and trivalent chromium ions and is compounded with the aliphatic polyester degrading materials to increase the degradation stability, a certain amount of trimethylolpropane tris is selected, the trimethylolpropane tris is mainly used as an intermediate, a certain amount of degradation promoter is selected to accelerate the degradation speed, the polyethylene bottom material is used as a base material, and the aliphatic polyester degrading materials, the organic chromium complex, the trimethylolpropane tris, the aliphatic polyester degrading agent, the aliphatic, Mixing and proportioning a growth promoter, performing processing operations such as extrusion, film blowing, tape casting and the like by a machine to obtain a degradable film, preparing an environment-friendly antibacterial inner film, wherein the environment-friendly antibacterial inner film comprises a composite antibacterial film, a polyisobutylene succinimide ashless additive, an ionic antibacterial polymer, a benzoic acid agent and an organic environment-friendly solvent, the polyisobutylene succinimide ashless additive increases high-temperature stability, the composite antibacterial film is used as a base material, the polyisobutylene succinimide ashless additive, the ionic antibacterial polymer, the benzoic acid agent and the organic environment-friendly solvent are mixed and proportioned, the processing operations such as extrusion, film blowing, tape casting and the like are performed by the machine to obtain an environment-friendly antibacterial inner film, the degradable film and the environment-friendly antibacterial inner film are heated by the machine to a heating temperature of 80-99 ℃, so that the degradable antibacterial film can be obtained, and then cooling is performed, The edge cutting and pressurizing rolling operations are performed, the degradable antibacterial film bag is formed and is provided with the polyethylene bottom material and the aliphatic polyester degradation material, the film bag can be conveniently and better degraded, the degradation promoter is added, the degradation speed is accelerated, the use is more environment-friendly, the environment-friendly antibacterial inner film is arranged, the antibacterial effect of the film bag is improved, and the use performance is excellent.

It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.