CN112592600A - Degradable disposable lunch box - Google Patents
Degradable disposable lunch box Download PDFInfo
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- CN112592600A CN112592600A CN202011607881.5A CN202011607881A CN112592600A CN 112592600 A CN112592600 A CN 112592600A CN 202011607881 A CN202011607881 A CN 202011607881A CN 112592600 A CN112592600 A CN 112592600A
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- parts
- agent
- lunch box
- lignosulfonate
- bagasse
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a degradable disposable lunch box, which consists of the following components in parts by weight: 20-40 parts of PLA resin, 20-40 parts of toughening agent, 10-30 parts of dispersing agent, 20-30 parts of starch, 5-10 parts of nucleating agent, 35-45 parts of high-aperture-ratio polyurethane foam powder, 20-30 parts of epoxidized lignosulfonate, 40-50 parts of linear low-density polyethylene, 10-15 parts of bagasse, 300 parts of modified peanut shell 250-one, 1-4 parts of ethyl cellulose, 6-10 parts of sucrose ester and 2-3 parts of composite antioxidant; the toughening agent is added into the raw materials, so that the toughness of the disposable lunch box is improved conveniently, and the bearing strength of the disposable lunch box is improved; by adding the PLA resin into the raw materials, the disposable lunch box is convenient to degrade by microorganisms after being discarded, and the environmental pollution is avoided.
Description
Technical Field
The invention relates to the technical field of disposable lunch box production, in particular to a degradable disposable lunch box.
Background
With the development of society, the pace of life of people is gradually accelerated, fast food becomes love for office workers, and disposable lunch boxes appear; however, after the existing disposable lunch box is used, the smoke generated by burning is generally recovered and then burned, and the smoke generated by burning is discharged into the air to cause air pollution, while part of the disposable lunch box is directly discarded and is difficult to be decomposed by microorganisms in nature, so that the white garbage in the living environment is excessive, and the environment pollution is caused.
Disclosure of Invention
Aiming at the defects of the prior art and the requirements of actual production, the invention provides the degradable disposable lunch box, the toughness of the disposable lunch box is improved, the disposable lunch box is prevented from being damaged due to collision, and the PLA resin is added into the raw materials, so that the disposable lunch box can be degraded by microorganisms in nature after being used, and white garbage in life is reduced.
In order to realize the purpose, the degradable disposable lunch box is provided and comprises the following components in parts by weight: 20-40 parts of PLA resin, 20-40 parts of toughening agent, 10-30 parts of dispersing agent, 20-30 parts of starch, 5-10 parts of nucleating agent, 35-45 parts of high-aperture-ratio polyurethane foam powder, 20-30 parts of epoxidized lignosulfonate, 40-50 parts of linear low-density polyethylene, 10-15 parts of bagasse, 300 parts of modified peanut shell 250-one, 1-4 parts of ethyl cellulose, 6-10 parts of sucrose ester and 2-3 parts of composite antioxidant.
Preferably, the composition consists of the following components in percentage by weight: 20 parts of PLA resin, 40 parts of toughening agent, 10 parts of dispersing agent, 30 parts of starch, 5 parts of nucleating agent, 45 parts of high-aperture-ratio polyurethane foam powder, 20 parts of epoxidized lignosulfonate, 50 parts of linear low-density polyethylene, 10 parts of bagasse, 300 parts of modified peanut shell, 1 part of ethyl cellulose, 10 parts of sucrose ester and 2 parts of composite antioxidant.
Preferably, 40 parts of PLA resin, 20 parts of toughening agent, 30 parts of dispersing agent, 20 parts of starch, 10 parts of nucleating agent, 35 parts of high-aperture-ratio polyurethane foam powder, 30 parts of epoxidized lignosulfonate, 40 parts of linear low-density polyethylene, 15 parts of bagasse, 250 parts of modified peanut shell, 4 parts of ethyl cellulose, 6 parts of sucrose ester and 3 parts of composite antioxidant.
Preferably, 30 parts of PLA resin, 30 parts of toughening agent, 20 parts of dispersing agent, 25 parts of starch, 8 parts of nucleating agent, 40 parts of high-aperture-ratio polyurethane foam powder, 25 parts of epoxidized lignosulfonate, 45 parts of linear low-density polyethylene, 13 parts of bagasse, 280 parts of modified peanut shell, 3 parts of ethyl cellulose, 8 parts of sucrose ester and 2.5 parts of composite antioxidant.
A degradable disposable lunch box is prepared by the following steps:
step 1: PLA resin, a toughening agent, a dispersing agent, starch, a nucleating agent, high-aperture-ratio polyurethane foam powder, epoxidized lignosulfonate, linear low-density polyethylene, bagasse, modified peanut shells, ethyl cellulose, sucrose ester and a composite antioxidant are put into a stirrer to be uniformly stirred, and then water is quantitatively added;
step 2: pouring the stirred raw materials obtained in the step 1 into an extruder for extrusion, and heating the extruded raw materials;
and step 3: and (3) injecting the raw material extruded in the step (2) into a mould, carrying out injection moulding and cooling.
The invention has the following beneficial effects:
1. the toughening agent is added into the raw materials, so that the toughness of the disposable lunch box is improved conveniently, and the bearing strength of the disposable lunch box is improved;
2. by adding the PLA resin into the raw materials, the disposable lunch box is convenient to degrade by microorganisms after being discarded, and the environmental pollution is avoided.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A degradable disposable lunch box is composed of the following components by weight: 20 parts of PLA resin, 40 parts of toughening agent, 10 parts of dispersing agent, 30 parts of starch, 5 parts of nucleating agent, 45 parts of high-aperture-ratio polyurethane foam powder, 20 parts of epoxidized lignosulfonate, 50 parts of linear low-density polyethylene, 10 parts of bagasse, 300 parts of modified peanut shell, 1 part of ethyl cellulose, 10 parts of sucrose ester and 2 parts of composite antioxidant.
A degradable disposable lunch box is prepared by the following steps:
step 1: PLA resin, a toughening agent, a dispersing agent, starch, a nucleating agent, high-aperture-ratio polyurethane foam powder, epoxidized lignosulfonate, linear low-density polyethylene, bagasse, modified peanut shells, ethyl cellulose, sucrose ester and a composite antioxidant are put into a stirrer to be uniformly stirred for 2-3h at the temperature of 50-60 ℃, and then water is quantitatively added;
step 2: pouring the stirred raw materials obtained in the step 1 into an extruder for extrusion, and heating the extruded raw materials at the temperature of 100-150 ℃;
and step 3: and (3) injecting the raw materials extruded in the step (2) into a mould, performing injection moulding, cooling, and polishing and deburring the formed disposable lunch box after cooling.
Example 2
A degradable disposable lunch box is composed of the following components by weight: 40 parts of PLA resin, 20 parts of toughening agent, 30 parts of dispersing agent, 20 parts of starch, 10 parts of nucleating agent, 35 parts of high-aperture-ratio polyurethane foam powder, 30 parts of epoxidized lignosulfonate, 40 parts of linear low-density polyethylene, 15 parts of bagasse, 250 parts of modified peanut shell, 4 parts of ethyl cellulose, 6 parts of sucrose ester and 3 parts of composite antioxidant.
A degradable disposable lunch box is prepared by the following steps:
step 1: PLA resin, a toughening agent, a dispersing agent, starch, a nucleating agent, high-aperture-ratio polyurethane foam powder, epoxidized lignosulfonate, linear low-density polyethylene, bagasse, modified peanut shells, ethyl cellulose, sucrose ester and a composite antioxidant are put into a stirrer to be uniformly stirred for 2-3h at the temperature of 50-60 ℃, and then water is quantitatively added;
step 2: pouring the stirred raw materials obtained in the step 1 into an extruder for extrusion, and heating the extruded raw materials at the temperature of 100-150 ℃;
and step 3: and (3) injecting the raw materials extruded in the step (2) into a mould, performing injection moulding, cooling, and polishing and deburring the formed disposable lunch box after cooling.
Example 3
A degradable disposable lunch box is composed of the following components by weight: 30 parts of PLA resin, 30 parts of toughening agent, 20 parts of dispersing agent, 25 parts of starch, 8 parts of nucleating agent, 40 parts of high-aperture-ratio polyurethane foam powder, 25 parts of epoxidized lignosulfonate, 45 parts of linear low-density polyethylene, 13 parts of bagasse, 280 parts of modified peanut shell, 3 parts of ethyl cellulose, 8 parts of sucrose ester and 2.5 parts of composite antioxidant.
A degradable disposable lunch box is prepared by the following steps:
step 1: PLA resin, a toughening agent, a dispersing agent, starch, a nucleating agent, high-aperture-ratio polyurethane foam powder, epoxidized lignosulfonate, linear low-density polyethylene, bagasse, modified peanut shells, ethyl cellulose, sucrose ester and a composite antioxidant are put into a stirrer to be uniformly stirred for 2-3h at the temperature of 50-60 ℃, and then water is quantitatively added;
step 2: pouring the stirred raw materials obtained in the step 1 into an extruder for extrusion, and heating the extruded raw materials at the temperature of 100-150 ℃;
and step 3: and (3) injecting the raw materials extruded in the step (2) into a mould, performing injection moulding, cooling, and polishing and deburring the formed disposable lunch box after cooling.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A degradable disposable lunch box is characterized by comprising the following components by weight: 20-40 parts of PLA resin, 20-40 parts of toughening agent, 10-30 parts of dispersing agent, 20-30 parts of starch, 5-10 parts of nucleating agent, 35-45 parts of high-aperture-ratio polyurethane foam powder, 20-30 parts of epoxidized lignosulfonate, 40-50 parts of linear low-density polyethylene, 10-15 parts of bagasse, 300 parts of modified peanut shell 250-one, 1-4 parts of ethyl cellulose, 6-10 parts of sucrose ester and 2-3 parts of composite antioxidant.
2. A degradable disposable cutlery box according to claim 1, consisting of the following components by weight: 20 parts of PLA resin, 40 parts of toughening agent, 10 parts of dispersing agent, 30 parts of starch, 5 parts of nucleating agent, 45 parts of high-aperture-ratio polyurethane foam powder, 20 parts of epoxidized lignosulfonate, 50 parts of linear low-density polyethylene, 10 parts of bagasse, 300 parts of modified peanut shell, 1 part of ethyl cellulose, 10 parts of sucrose ester and 2 parts of composite antioxidant.
3. A degradable disposable cutlery box according to claim 1, consisting of the following components by weight: 40 parts of PLA resin, 20 parts of toughening agent, 30 parts of dispersing agent, 20 parts of starch, 10 parts of nucleating agent, 35 parts of high-aperture-ratio polyurethane foam powder, 30 parts of epoxidized lignosulfonate, 40 parts of linear low-density polyethylene, 15 parts of bagasse, 250 parts of modified peanut shell, 4 parts of ethyl cellulose, 6 parts of sucrose ester and 3 parts of composite antioxidant.
4. A degradable disposable cutlery box according to claim 1, consisting of the following components by weight: 30 parts of PLA resin, 30 parts of toughening agent, 20 parts of dispersing agent, 25 parts of starch, 8 parts of nucleating agent, 40 parts of high-aperture-ratio polyurethane foam powder, 25 parts of epoxidized lignosulfonate, 45 parts of linear low-density polyethylene, 13 parts of bagasse, 280 parts of modified peanut shell, 3 parts of ethyl cellulose, 8 parts of sucrose ester and 2.5 parts of composite antioxidant.
5. A degradable disposable cutlery box according to any of claims 1-4, wherein the preparation method comprises the following steps:
step 1: PLA resin, a toughening agent, a dispersing agent, starch, a nucleating agent, high-aperture-ratio polyurethane foam powder, epoxidized lignosulfonate, linear low-density polyethylene, bagasse, modified peanut shells, ethyl cellulose, sucrose ester and a composite antioxidant are put into a stirrer to be uniformly stirred, and then water is quantitatively added;
step 2: pouring the stirred raw materials obtained in the step 1 into an extruder for extrusion, and heating the extruded raw materials;
and step 3: and (3) injecting the raw material extruded in the step (2) into a mould, carrying out injection moulding and cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011607881.5A CN112592600A (en) | 2020-12-30 | 2020-12-30 | Degradable disposable lunch box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011607881.5A CN112592600A (en) | 2020-12-30 | 2020-12-30 | Degradable disposable lunch box |
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| Publication Number | Publication Date |
|---|---|
| CN112592600A true CN112592600A (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011607881.5A Pending CN112592600A (en) | 2020-12-30 | 2020-12-30 | Degradable disposable lunch box |
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| CN (1) | CN112592600A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107200950A (en) * | 2017-07-18 | 2017-09-26 | 杭州易孚生生物科技有限公司 | A kind of degradable disposable polystyrene plastics cutlery box |
| CN109608838A (en) * | 2018-10-18 | 2019-04-12 | 金旸（厦门）新材料科技有限公司 | One kind can the degradable long-acting transparent polylactic acid of toughening and preparation method thereof |
| CN111073127A (en) * | 2019-12-23 | 2020-04-28 | 安徽硕通网络科技有限公司 | Degradable disposable takeout lunch box and preparation method thereof |
| CN111378261A (en) * | 2020-03-05 | 2020-07-07 | 温州三星环保包装有限公司 | Processing method of disposable lunch box |
-
2020
- 2020-12-30 CN CN202011607881.5A patent/CN112592600A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107200950A (en) * | 2017-07-18 | 2017-09-26 | 杭州易孚生生物科技有限公司 | A kind of degradable disposable polystyrene plastics cutlery box |
| CN109608838A (en) * | 2018-10-18 | 2019-04-12 | 金旸（厦门）新材料科技有限公司 | One kind can the degradable long-acting transparent polylactic acid of toughening and preparation method thereof |
| CN111073127A (en) * | 2019-12-23 | 2020-04-28 | 安徽硕通网络科技有限公司 | Degradable disposable takeout lunch box and preparation method thereof |
| CN111378261A (en) * | 2020-03-05 | 2020-07-07 | 温州三星环保包装有限公司 | Processing method of disposable lunch box |
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Application publication date: 20210402 |