阅读说明：本技术 一种新型环保生物降解材料及其制作的一次性餐具 (Novel environment-friendly biodegradable material and disposable tableware made of same ) 是由 肖玉和 肖其 于 2021-06-08 设计创作，主要内容包括：本发明公开一种新型环保生物降解材料及其制作的一次性餐具,所述新型环保生物降解材料原料份量配比为：热塑性淀粉5-8份、组合发泡剂2-3份、秸秆粉2-5份、复合纤维浆3-6份、聚丁二酸丁二醇酯1-3份、聚乳酸2-4份、轻质碳酸钙2-5份、交联剂3-5份、绿茶粉1-2份、荷叶粉2-3份以及促进剂3-5份。使用原料环保健康,原料成本较低,加工制作方法科学、简单、快捷,且符合坚韧耐用的可降解一次性餐具的要求,入土降解时间大幅提高。(The invention discloses a novel environment-friendly biodegradable material and disposable tableware made of the same, wherein the novel environment-friendly biodegradable material comprises the following raw materials in parts by weight: 5-8 parts of thermoplastic starch, 2-3 parts of a combined foaming agent, 2-5 parts of straw powder, 3-6 parts of composite fiber pulp, 1-3 parts of polybutylene succinate, 2-4 parts of polylactic acid, 2-5 parts of light calcium carbonate, 3-5 parts of a cross-linking agent, 1-2 parts of green tea powder, 2-3 parts of lotus leaf powder and 3-5 parts of an accelerant. The raw materials used are environment-friendly and healthy, the raw material cost is low, the processing and manufacturing method is scientific, simple and quick, the requirements of tough and durable degradable disposable tableware are met, and the soil-entering degradation time is greatly prolonged.)

1. A novel environment-friendly biodegradable material, which is characterized in that,

the novel environment-friendly biodegradable material comprises the following raw materials in parts by weight: 5-8 parts of thermoplastic starch, 2-3 parts of a combined foaming agent, 2-5 parts of straw powder, 3-6 parts of composite fiber pulp, 1-3 parts of polybutylene succinate, 2-4 parts of polylactic acid, 2-5 parts of light calcium carbonate, 3-5 parts of a cross-linking agent, 1-2 parts of green tea powder, 2-3 parts of lotus leaf powder and 3-5 parts of an accelerant.

2. The novel environmentally friendly biodegradable material according to claim 1,

the novel environment-friendly biodegradable material comprises the following raw materials in parts by weight: 5 parts of thermoplastic starch, 2 parts of a combined foaming agent, 2 parts of composite straw powder, 3 parts of composite fiber pulp, 1 part of poly (butylene succinate), 2 parts of polylactic acid, 2 parts of light calcium carbonate, 3 parts of a cross-linking agent, 1 part of green tea powder, 2 parts of lotus leaf powder and 3 parts of an accelerant.

3. The novel environmentally friendly biodegradable material according to claim 1,

the novel environment-friendly biodegradable material comprises the following raw materials in parts by weight: 8 parts of thermoplastic starch, 3 parts of a combined foaming agent, 5 parts of composite straw powder, 6 parts of composite fiber pulp, 3 parts of polybutylene succinate, 4 parts of polylactic acid, 5 parts of light calcium carbonate, 5 parts of a cross-linking agent, 2 parts of green tea powder, 3 parts of lotus leaf powder and 5 parts of an accelerant.

4. The novel environmentally friendly biodegradable material according to claim 1,

the novel environment-friendly biodegradable material comprises the following raw materials in parts by weight: 6 parts of thermoplastic starch, 2 parts of a combined foaming agent, 4 parts of composite straw powder, 5 parts of composite fiber pulp, 2 parts of polybutylene succinate, 3 parts of polylactic acid, 4 parts of light calcium carbonate, 4 parts of a cross-linking agent, 2 parts of green tea powder, 3 parts of lotus leaf powder and 4 parts of an accelerant.

5. The novel environmentally friendly biodegradable material according to claim 1,

the composite fiber pulp is prepared by processing any one of sweet potato vine, melon vine, weed, dry branches and fallen leaves and sawdust.

6. The novel environmentally friendly biodegradable material according to claim 1,

the cross-linking agent is a compound containing two isocyanate groups and/or a compound containing more than one epoxy group.

7. The novel environmentally friendly biodegradable material according to claim 1,

the accelerator is a phosphate ester comprising at least one polyol and at least one alkali metal carbonate.

8. A disposable tableware made of novel environment-friendly biodegradable material is characterized in that,

the preparation method comprises the following steps:

A. firstly, repeatedly crushing straw powder, green tea powder and lotus leaf powder in raw materials, and sieving the crushed materials with a 80-mesh sieve as a standard;

B. sequentially adding the rest raw materials into a stirring container according to the corresponding weight of the raw materials, manually stirring, adding a proper amount of water in the process, uniformly stirring to form a paste, putting into a refrigerator, and refrigerating at 3-5 ℃ for 40 minutes;

C. adding straw powder, green tea powder and lotus leaf powder into the refrigerated paste, adding into a stirrer, and stirring at 200-300 rpm for three minutes.

D. Adding the raw materials finally obtained by stirring into a mold according to the requirement, heating to 180-40 ℃ and taking out after 30-40S molding;

E. taking out the formed tableware, and coating an ethyl cellulose waterproof coating on the surface of the formed tableware;

F. and finally, placing the tableware in an ultraviolet disinfection box for irradiation and sterilization for 5-10 minutes.

Technical Field

The invention relates to the technical field of degradable materials and environment-friendly tableware, in particular to a novel environment-friendly biodegradable material and disposable tableware made of the novel environment-friendly biodegradable material.

Background

With the improvement of living standard, the requirement and pursuit of health of people are higher and higher, wherein, in the aspect of diet, tableware is closely related to the health of people because of being closely contacted with food and can bring negative influence to the health of people if the internal quality of the tableware is poor, tableware of various materials is available on the market at present, some tableware contains certain harmful substances, after being contacted with food, the harmful substances can enter the food and damage the health of people, at present, ceramic or enamel tableware is commonly used at home, the glaze pigment contains harmful metals, the enamel contains compounds such as lead silicate, the wooden tableware is stable in chemical property and is not easy to clean, at present, plastic tableware taking melamine formaldehyde resin as the main raw material is popular with people, but when high-temperature food or water is contained, part of the harmful substances can permeate into the food or water, and the application range is greatly limited. Particularly, the usage amount of disposable tableware is greatly increased for the rise of the current takeout industry, but the quality and the sanitary standard of the tableware are difficult to control, the tableware is not good and uniform, and the types of the disposable health tableware which is environment-friendly and degradable are few, so the research on the environment-friendly tableware by adopting plant fibers is carried out at present, but the problem of easy cracking exists, and the research is further carried out aiming at the problem.

Therefore, the invention aims to develop a novel environment-friendly biodegradable material and disposable tableware made of the novel environment-friendly biodegradable material.

Disclosure of Invention

In order to comprehensively solve the problems that the quality of the tableware is poor, the using amount of disposable tableware is greatly increased, the quality and the sanitary standard of the tableware are difficult to control, the quality is not uniform, the types of the environment-friendly degradable disposable healthy tableware are few, and the like, and the disposable healthy tableware is especially not enough in the prior art: the invention provides a novel environment-friendly biodegradable material and disposable tableware made of the same.

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

a novel environment-friendly biodegradable material, which is prepared from a biodegradable material,

the novel environment-friendly biodegradable material comprises the following raw materials in parts by weight: 5-8 parts of thermoplastic starch, 2-3 parts of a combined foaming agent, 2-5 parts of straw powder, 3-6 parts of composite fiber pulp, 1-3 parts of polybutylene succinate, 2-4 parts of polylactic acid, 2-5 parts of light calcium carbonate, 3-5 parts of a cross-linking agent, 1-2 parts of green tea powder, 2-3 parts of lotus leaf powder and 3-5 parts of an accelerant.

As a further illustration, the following description is,

the novel environment-friendly biodegradable material comprises the following raw materials in parts by weight: 5 parts of thermoplastic starch, 2 parts of a combined foaming agent, 2 parts of composite straw powder, 3 parts of composite fiber pulp, 1 part of poly (butylene succinate), 2 parts of polylactic acid, 2 parts of light calcium carbonate, 3 parts of a cross-linking agent, 1 part of green tea powder, 2 parts of lotus leaf powder and 3 parts of an accelerant.

As a further illustration, the following description is,

the novel environment-friendly biodegradable material comprises the following raw materials in parts by weight: 8 parts of thermoplastic starch, 3 parts of a combined foaming agent, 5 parts of composite straw powder, 6 parts of composite fiber pulp, 3 parts of polybutylene succinate, 4 parts of polylactic acid, 5 parts of light calcium carbonate, 5 parts of a cross-linking agent, 2 parts of green tea powder, 3 parts of lotus leaf powder and 5 parts of an accelerant.

As a further illustration, the following description is,

the novel environment-friendly biodegradable material comprises the following raw materials in parts by weight: 6 parts of thermoplastic starch, 2 parts of a combined foaming agent, 4 parts of composite straw powder, 5 parts of composite fiber pulp, 2 parts of polybutylene succinate, 3 parts of polylactic acid, 4 parts of light calcium carbonate, 4 parts of a cross-linking agent, 2 parts of green tea powder, 3 parts of lotus leaf powder and 4 parts of an accelerant.

As a further illustration, the following description is,

the composite fiber pulp is prepared by processing any one of sweet potato vine, melon vine, weed, dry branches and fallen leaves and sawdust.

As a further illustration, the following description is,

the cross-linking agent is a compound containing two isocyanate groups and/or a compound containing more than one epoxy group.

As a further illustration, the following description is,

the accelerator is a phosphate ester comprising at least one polyol and at least one alkali metal carbonate.

A disposable tableware made of novel environment-friendly biodegradable material,

the preparation method comprises the following steps:

A. firstly, repeatedly crushing straw powder, green tea powder and lotus leaf powder in raw materials, and sieving the crushed materials with a 80-mesh sieve as a standard;

B. sequentially adding the rest raw materials into a stirring container according to the corresponding weight of the raw materials, manually stirring, adding a proper amount of water in the process, uniformly stirring to form a paste, putting into a refrigerator, and refrigerating at 3-5 ℃ for 40 minutes;

C. adding straw powder, green tea powder and lotus leaf powder into the refrigerated paste, adding into a stirrer, and stirring at 200-300 rpm for three minutes.

D. Adding the raw materials finally obtained by stirring into a mold according to the requirement, heating to 180-40 ℃ and taking out after 30-40S molding;

E. taking out the formed tableware, and coating an ethyl cellulose waterproof coating on the surface of the formed tableware;

F. and finally, placing the tableware in an ultraviolet disinfection box for irradiation and sterilization for 5-10 minutes.

The invention has the beneficial effects that:

the raw materials used are environment-friendly and healthy, the raw material cost is low, the processing and manufacturing method is scientific, simple and quick, the requirements of tough and durable degradable disposable tableware are met, and the soil-entering degradation time is greatly prolonged.

Detailed Description

The technical solutions of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the illustrated orientations or positional relationships, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the specific implementation process, the first-stage reactor,

the first embodiment is as follows:

the novel environment-friendly biodegradable material comprises the following raw materials in parts by weight: 5 parts of thermoplastic starch, 2 parts of a combined foaming agent, 2 parts of composite straw powder, 3 parts of composite fiber pulp, 1 part of poly (butylene succinate), 2 parts of polylactic acid, 2 parts of light calcium carbonate, 3 parts of a cross-linking agent, 1 part of green tea powder, 2 parts of lotus leaf powder and 3 parts of an accelerant.

Firstly, repeatedly crushing straw powder, green tea powder and lotus leaf powder in raw materials, and sieving the crushed materials with a 80-mesh sieve as a standard; sequentially adding the rest raw materials into a stirring container according to the corresponding weight of the raw materials, manually stirring, adding a proper amount of water in the process, uniformly stirring to form a paste, putting into a refrigerator, and refrigerating at 3-5 ℃ for 40 minutes; adding straw powder, green tea powder and lotus leaf powder into the refrigerated paste, adding into a stirrer, and stirring at 200-300 rpm for three minutes. Adding the raw materials finally obtained by stirring into a mold according to the requirement, heating to 180-40 ℃ and taking out after 30-40S molding; taking out the formed tableware, and coating an ethyl cellulose waterproof coating on the surface of the formed tableware; and finally, placing the tableware in an ultraviolet disinfection box for irradiation and sterilization for 5-10 minutes.

Example two:

the novel environment-friendly biodegradable material comprises the following raw materials in parts by weight: 8 parts of thermoplastic starch, 3 parts of a combined foaming agent, 5 parts of composite straw powder, 6 parts of composite fiber pulp, 3 parts of polybutylene succinate, 4 parts of polylactic acid, 5 parts of light calcium carbonate, 5 parts of a cross-linking agent, 2 parts of green tea powder, 3 parts of lotus leaf powder and 5 parts of an accelerant.

Firstly, repeatedly crushing straw powder, green tea powder and lotus leaf powder in raw materials, and sieving the crushed materials with a 80-mesh sieve as a standard; sequentially adding the rest raw materials into a stirring container according to the corresponding weight of the raw materials, manually stirring, adding a proper amount of water in the process, uniformly stirring to form a paste, putting into a refrigerator, and refrigerating at 3-5 ℃ for 40 minutes; adding straw powder, green tea powder and lotus leaf powder into the refrigerated paste, adding into a stirrer, and stirring at 200-300 rpm for three minutes. Adding the raw materials finally obtained by stirring into a mold according to the requirement, heating to 180-40 ℃ and taking out after 30-40S molding; taking out the formed tableware, and coating an ethyl cellulose waterproof coating on the surface of the formed tableware; and finally, placing the tableware in an ultraviolet disinfection box for irradiation and sterilization for 5-10 minutes.

Example three:

the novel environment-friendly biodegradable material comprises the following raw materials in parts by weight: 6 parts of thermoplastic starch, 2 parts of a combined foaming agent, 4 parts of composite straw powder, 5 parts of composite fiber pulp, 2 parts of polybutylene succinate, 3 parts of polylactic acid, 4 parts of light calcium carbonate, 4 parts of a cross-linking agent, 2 parts of green tea powder, 3 parts of lotus leaf powder and 4 parts of an accelerant.

Firstly, repeatedly crushing straw powder, green tea powder and lotus leaf powder in raw materials, and sieving the crushed materials with a 80-mesh sieve as a standard; sequentially adding the rest raw materials into a stirring container according to the corresponding weight of the raw materials, manually stirring, adding a proper amount of water in the process, uniformly stirring to form a paste, putting into a refrigerator, and refrigerating at 3-5 ℃ for 40 minutes; adding straw powder, green tea powder and lotus leaf powder into the refrigerated paste, adding into a stirrer, and stirring at 200-300 rpm for three minutes. Adding the raw materials finally obtained by stirring into a mold according to the requirement, heating to 180-40 ℃ and taking out after 30-40S molding; taking out the formed tableware, and coating an ethyl cellulose waterproof coating on the surface of the formed tableware; and finally, placing the tableware in an ultraviolet disinfection box for irradiation and sterilization for 5-10 minutes.

The raw materials used are environment-friendly and healthy, the raw material cost is low, the processing and manufacturing method is scientific, simple and quick, the requirements of tough and durable degradable disposable tableware are met, and the soil-entering degradation time is greatly prolonged.

The present invention is illustrated by way of example and not by way of limitation. It will be apparent to those skilled in the art that other variations and modifications may be made in the foregoing disclosure without departing from the spirit or essential characteristics of all embodiments, and that all changes and modifications apparent from the above teachings are within the scope of the invention.