CN112795034A - Preparation method of biodegradable composite film - Google Patents
Preparation method of biodegradable composite film Download PDFInfo
- Publication number
- CN112795034A CN112795034A CN202011618100.2A CN202011618100A CN112795034A CN 112795034 A CN112795034 A CN 112795034A CN 202011618100 A CN202011618100 A CN 202011618100A CN 112795034 A CN112795034 A CN 112795034A
- Authority
- CN
- China
- Prior art keywords
- film
- content
- polyethylene
- composite material
- machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000004698 Polyethylene Substances 0.000 claims abstract description 19
- -1 polyethylene Polymers 0.000 claims abstract description 19
- 229920000573 polyethylene Polymers 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000000071 blow moulding Methods 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 238000004804 winding Methods 0.000 claims abstract description 10
- 238000004806 packaging method and process Methods 0.000 claims abstract description 6
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- 239000000654 additive Substances 0.000 claims description 15
- 230000000996 additive effect Effects 0.000 claims description 15
- 229920003023 plastic Polymers 0.000 abstract description 6
- 239000004033 plastic Substances 0.000 abstract description 6
- 239000012752 auxiliary agent Substances 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Wrappers (AREA)
Abstract
The invention discloses a preparation method of a biodegradable composite film. The method comprises the steps of S1, stirring polyethylene and a degradable auxiliary agent at a uniform speed to obtain a composite material, wherein the content of the polyethylene is 98-99.5%, the content of the degradable auxiliary agent is 0.5-2%, S2, adding the stirred composite material into a screw extruder for extrusion, S3, carrying out blow molding on the extruded composite material through a blow molding machine, the width of a blow molded film is 1-2m, S4, winding the blow molded film on a winding machine, S5, carrying out single-side or double-side printing on the wound film through a printing machine, S6, cutting the printed film through a cutting machine, S7, detecting the cut film, and packaging qualified. The film prepared by the process is easy to biodegrade, reduces the pollution of plastic raw materials to the environment, and is more environment-friendly.
Description
Technical Field
The invention relates to a preparation method of a biodegradable composite film.
Background
The plastic packaging bag is made of a film, and the traditional film is made of a plastic material and cannot be naturally degraded, so that a preparation method of the biodegradable composite film is needed.
Disclosure of Invention
The invention aims to provide a preparation method of a biodegradable composite film, the film prepared by the process is easy to biodegrade, the pollution of plastic raw materials to the environment is reduced, the film is more environment-friendly, and the problems in the prior art are solved.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a preparation method of a biodegradable composite film comprises the steps of S1, stirring polyethylene and a degradable auxiliary agent at a uniform speed to obtain a composite material, wherein the content of the polyethylene is 98-99.5%, the content of the degradable auxiliary agent is 0.5-2%, S2, the stirred composite material is added into a screw extruder to be extruded, S3, the extruded composite material is subjected to blow molding through a blow molding machine, the width of the blow molded film is 1-2m, S4, the blow molded film is placed on a winding machine to be wound, S5, single-side or double-side printing is carried out on the wound film through a printing machine, S6, the printed film is cut through a cutting machine, S7, the cut film is detected, and qualified packaging is carried out.
Optionally, the stirring time in S1 is 40min, and the stirring speed is 60 r/min.
Optionally, the rotation speed of the screw extruder in S2 is 30 r/min.
Optionally, the winding speed in S4 is 25 m/min.
Optionally, the content of the polyethylene is 98%, and the content of the degradable additive is 2%.
Optionally, the content of the polyethylene is 99.5%, and the content of the degradable additive is 0.5%.
Optionally, the content of the polyethylene is 99%, and the content of the degradable additive is 1%.
The embodiment of the invention has the following beneficial effects:
according to one embodiment of the invention, the film prepared by the process is easy to biodegrade, reduces the pollution of plastic raw materials to the environment, and is more environment-friendly.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Detailed Description
To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the invention have been omitted.
In this embodiment, a method for preparing a biodegradable composite film is provided, which includes: s1, stirring polyethylene and a degradable additive at a uniform speed to obtain a composite material, wherein the content of the polyethylene is 98-99.5%, the content of the degradable additive is 0.5-2%, S2, adding the stirred composite material into a screw extruder for extrusion, S3, performing blow molding on the extruded composite material through a blow molding machine, the width of a blow molded film is 1-2m, S4, placing the blow molded film on a winding machine for winding, S5, performing single-side or double-side printing on the wound film through a printing machine, S6, cutting the printed film through a cutting machine, and S7, detecting the cut film, and packaging qualified.
The application of one aspect of the embodiment is as follows: s1, stirring polyethylene and a degradable additive at a uniform speed to obtain a composite material, wherein the content of the polyethylene is 98-99.5%, the content of the degradable additive is 0.5-2%, S2, adding the stirred composite material into a screw extruder for extrusion, S3, performing blow molding on the extruded composite material through a blow molding machine, the width of a blow molded film is 1-2m, S4, placing the blow molded film on a winding machine for winding, S5, performing single-side or double-side printing on the wound film through a printing machine, S6, cutting the printed film through a cutting machine, and S7, detecting the cut film, and packaging qualified.
The film prepared by the process is easy to biodegrade, reduces the pollution of plastic raw materials to the environment and is more environment-friendly.
In this example, the stirring time in S1 was 40min, and the stirring rotation speed was 60 r/min.
The rotation speed of the screw extruder in the S2 of this example was 30 r/min.
The take-up speed in S4 of this embodiment was 25 m/min.
In this embodiment, the content of the polyethylene is 98% and the content of the degradable additive is 2%.
In this embodiment, the content of the polyethylene is 99.5%, and the content of the degradable additive is 0.5%.
In this embodiment, the content of the polyethylene is 99%, and the content of the degradable additive is 1%.
The above embodiments may be combined with each other.
Claims (7)
1. A preparation method of a biodegradable composite film is characterized by comprising the following steps:
s1, uniformly stirring the polyethylene and the degradable additive to obtain a composite material, wherein the content of the polyethylene is 98-99.5%, and the content of the degradable additive is 0.5-2%;
s2, adding the stirred composite material into a screw extruder for extrusion;
s3, carrying out blow molding on the extruded composite material through a blow molding machine; the width of the blow-molded film is 1-2 m;
s4, placing the film subjected to blow molding on a winding machine for winding;
s5, printing the rolled film on one side or two sides by using a printer;
s6, cutting the printed film by using a cutting machine;
and S7, detecting the cut film, and packaging the film qualified.
2. The method of claim 1, wherein the stirring time in S1 is 40min, and the stirring speed is 60 r/min.
3. The method of claim 2, wherein the screw extruder in S2 is rotated at 30 r/min.
4. The method of claim 3, wherein the take-up speed in S4 is 25 m/min.
5. The method of claim 4, wherein the content of the polyethylene is 98% and the content of the degradable additive is 2%.
6. The method of claim 5, wherein the polyethylene is 99.5% and the degradable additive is 0.5%.
7. The method of claim 5, wherein the polyethylene is 99% and the degradable additive is 1%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011618100.2A CN112795034A (en) | 2020-12-30 | 2020-12-30 | Preparation method of biodegradable composite film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011618100.2A CN112795034A (en) | 2020-12-30 | 2020-12-30 | Preparation method of biodegradable composite film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112795034A true CN112795034A (en) | 2021-05-14 |
Family
ID=75805914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011618100.2A Pending CN112795034A (en) | 2020-12-30 | 2020-12-30 | Preparation method of biodegradable composite film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112795034A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107266760A (en) * | 2016-04-06 | 2017-10-20 | 黑龙江鑫达企业集团有限公司 | A kind of degradable stalk polyethylene film and preparation method thereof |
| CN109467948A (en) * | 2018-10-09 | 2019-03-15 | 湖北冠誉塑料包装股份有限公司 | A kind of degradable stalk polyethylene film and preparation method thereof |
| CN110982153A (en) * | 2019-12-23 | 2020-04-10 | 湖州祥恒包装有限公司 | Degradable polyethylene film and preparation method thereof |
-
2020
- 2020-12-30 CN CN202011618100.2A patent/CN112795034A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107266760A (en) * | 2016-04-06 | 2017-10-20 | 黑龙江鑫达企业集团有限公司 | A kind of degradable stalk polyethylene film and preparation method thereof |
| CN109467948A (en) * | 2018-10-09 | 2019-03-15 | 湖北冠誉塑料包装股份有限公司 | A kind of degradable stalk polyethylene film and preparation method thereof |
| CN110982153A (en) * | 2019-12-23 | 2020-04-10 | 湖州祥恒包装有限公司 | Degradable polyethylene film and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210514 |