CN111925578A - Degradable film special for intelligent storage wrapping and processing technology thereof - Google Patents
Degradable film special for intelligent storage wrapping and processing technology thereof Download PDFInfo
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- 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
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- 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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- 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
- C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2403/02—Starch; Degradation products thereof, e.g. dextrin
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- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—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
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—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
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
-
- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—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
- C08J2423/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08J2423/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2206—Oxides; Hydroxides of metals of calcium, strontium or barium
Abstract
The invention relates to the technical field of wrapping films, in particular to a degradable intelligent storage wrapping special film and a processing technology thereof, which can improve various performances and indexes of the film, can be rapidly degraded and reduce harm to the environment; the paint is prepared from the following components in parts by weight:
Description
Technical Field
The invention relates to the technical field of wrapping films, in particular to a degradable intelligent storage wrapping special film and a processing technology thereof.
Background
The most mature intelligent warehousing solution in China has the functions of comprehensive material management and in addition: dynamic checking: the system supports 'multi-person + different-place + simultaneous' checking, can check in and out the warehouse for accounting at the same time, and is very visual in checking. Dynamic inventory: and the inventory condition in the historical period is reproduced, so that financial audit is facilitated. Confirming the document: and after warehousing, ex-warehouse and transferring and preparing the order, the inventory needs to be confirmed and updated. And (3) RFID handset management: and using the handset to confirm, count and inquire the statistics of the document. And (4) library position management: RFID associates location number four (shelf level). Quality inspection management: registration of strongly-detected articles, warehousing quality inspection confirmation and external inspection notice. Quota management: material-receiving quota, reserve quota, project quota. Managing the whole life cycle: and managing the whole process from warehousing to delivery until scrapping. Engineering project management: and (5) single project first-party material supply management. Required material purchasing plan examination and approval: the method comprises the steps of approval authority, approval process, warehousing notice and realization of unlimited approval levels.
In the intelligent storage, goods are placed on a wood row or a plastic row and then placed, in order to keep the stability of the goods, the periphery of the goods needs to be wrapped in multiple layers by using wrapping films, and the wrapping films are made of conventional polymers such as polyethylene and polyvinyl chloride. Although they have excellent properties in use, these films are not biodegradable and will therefore be discarded, which leads to increased environmental problems associated with the accumulation and disposal of plastic materials; therefore, the research on the degradable special film for the intelligent storage wrapping is urgently needed to solve the problems.
Disclosure of Invention
In order to solve the technical problems, an object of the present invention is to provide a degradable film dedicated for smart storage wrapping, which can improve various properties and indexes of the film, and can be rapidly degraded to reduce the harm to the environment.
The invention also aims to provide a processing technology of the degradable special film for the intelligent storage wrapping.
The invention discloses a degradable intelligent storage wrapping special film which is prepared from the following components in parts by weight:
the invention discloses a degradable intelligent storage wrapping special film which is prepared from the following components in parts by weight:
the invention discloses a degradable intelligent storage wrapping special film which is prepared from the following components in parts by weight:
the biodegradable polyethylene particles are prepared from the following components in parts by weight: 50-70 parts of high-density polyethylene, 20-30 parts of calcium oxide and 20-30 parts of corn starch; the preparation method of the biodegradable polyethylene particles comprises the following steps: the high-density polyethylene, the calcium oxide and the corn starch in parts by weight are placed into a high-speed mixing machine to be mixed to form a mixture, the mixture is metered and conveyed into an extruder by a metering screw, the extruder is divided into 6 zones, the temperature of the first zone is 110-plus-140 ℃, the temperature of the second zone is 140-plus-190 ℃, the temperature of the third zone is 190-plus-220 ℃, the temperature of the fourth zone is 190-plus-220 ℃, the temperature of the fifth zone is 190-plus-220 ℃, the sixth zone is not heated, the mixture enters the extruder along the first zone, then flows out of the extruder along the sixth zone, is extruded by a metering pump, and then is cooled and granulated.
The degradable intelligent storage wrapping special film is characterized in that the halogen-free flame retardant is a polyolefin flame retardant taking phosphorus and nitrogen as flame retardant elements, the stabilizer is vitamin E, and the coupling agent is one or more of a rare earth aluminate composite coupling agent, a titanate coupling agent and a silane coupling agent.
The processing technology of the degradable intelligent storage wrapping special film comprises the following steps:
s1, placing the raw materials in parts by weight into a high mixing machine, mixing to form a mixture, metering and conveying the mixture into an extruder by a metering screw, wherein the extruder is divided into 23 zones, the temperature of the 1 st-9 zone is 110-;
and cooling the films in the S2 and S1 by a cold water roller, and then sending the films to a synchronous stretching machine for stretching, wherein the synchronous stretching machine comprises 11 zones, the temperature of the 1 st to 4 th zones is 115 ℃, the temperature of the 5 th to 8 th zones is 122-130 ℃, the temperature of the 9 th to 10 th zones is 130-135 ℃, the temperature of the 11 th zone is a cooling zone, and the temperature is 25-30 ℃.
And S3, winding the film passing through the cooling area in the S2 to form a large roll, and cutting the large roll.
Compared with the prior art, the invention has the beneficial effects that: the degradable intelligent storage wrapping special film is prepared from linear low-density polyethylene, metallocene polyethylene, high-density polyethylene, biodegradable polyethylene particles, polyisobutylene particles, a halogen-free flame retardant, a stabilizer and a coupling agent, has various performances superior to those of the traditional polyethylene film, can be degraded in soil for more than one month, and greatly improves the practicability.
Detailed Description
The following examples are given to further illustrate the embodiments of the present invention. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1:
the preparation method comprises the following steps:
the preparation method of the biodegradable polyethylene particles comprises the following steps: the high-density polyethylene, the calcium oxide and the corn starch in parts by weight are placed into a high-speed mixing machine and mixed to form a mixture, the mixture is metered and conveyed into an extruder by a metering screw, the extruder is divided into 6 zones, the temperature of the first zone is 110-;
the preparation method of the degradable special film for the intelligent storage wrapping comprises the following steps: s1, placing the raw materials in parts by weight into a high mixing machine, mixing to form a mixture, metering and conveying the mixture into an extruder by a metering screw, wherein the extruder is divided into 23 zones, the temperature of the 1 st-9 zone is 110-;
and cooling the films in the S2 and S1 by a cold water roller, and then sending the films to a synchronous stretching machine for stretching, wherein the synchronous stretching machine comprises 11 zones, the temperature of the 1 st to 4 th zones is 115 ℃, the temperature of the 5 th to 8 th zones is 122-130 ℃, the temperature of the 9 th to 10 th zones is 130-135 ℃, the temperature of the 11 th zone is a cooling zone, and the temperature is 25-30 ℃.
And S3, winding the film passing through the cooling area in the S2 to form a large roll, and cutting the large roll.
Example 2:
the preparation method comprises the following steps:
the preparation method of the biodegradable polyethylene particles comprises the following steps: the high-density polyethylene, the calcium oxide and the corn starch in parts by weight are placed into a high-speed mixing machine and mixed to form a mixture, the mixture is metered and conveyed into an extruder by a metering screw, the extruder is divided into 6 zones, the temperature of the first zone is 110-;
the preparation method of the degradable special film for the intelligent storage wrapping comprises the following steps: s1, placing the raw materials in parts by weight into a high mixing machine, mixing to form a mixture, metering and conveying the mixture into an extruder by a metering screw, wherein the extruder is divided into 23 zones, the temperature of the 1 st-9 zone is 110-;
and cooling the films in the S2 and S1 by a cold water roller, and then sending the films to a synchronous stretching machine for stretching, wherein the synchronous stretching machine comprises 11 zones, the temperature of the 1 st to 4 th zones is 115 ℃, the temperature of the 5 th to 8 th zones is 122-130 ℃, the temperature of the 9 th to 10 th zones is 130-135 ℃, the temperature of the 11 th zone is a cooling zone, and the temperature is 25-30 ℃.
And S3, winding the film passing through the cooling area in the S2 to form a large roll, and cutting the large roll.
Example 3:
the preparation method comprises the following steps:
the preparation method of the biodegradable polyethylene particles comprises the following steps: the high-density polyethylene, the calcium oxide and the corn starch in parts by weight are placed into a high-speed mixing machine and mixed to form a mixture, the mixture is metered and conveyed into an extruder by a metering screw, the extruder is divided into 6 zones, the temperature of the first zone is 110-;
the preparation method of the degradable special film for the intelligent storage wrapping comprises the following steps: s1, placing the raw materials in parts by weight into a high mixing machine, mixing to form a mixture, metering and conveying the mixture into an extruder by a metering screw, wherein the extruder is divided into 23 zones, the temperature of the 1 st-9 zone is 110-;
and cooling the films in the S2 and S1 by a cold water roller, and then sending the films to a synchronous stretching machine for stretching, wherein the synchronous stretching machine comprises 11 zones, the temperature of the 1 st to 4 th zones is 115 ℃, the temperature of the 5 th to 8 th zones is 122-130 ℃, the temperature of the 9 th to 10 th zones is 130-135 ℃, the temperature of the 11 th zone is a cooling zone, and the temperature is 25-30 ℃.
And S3, winding the film passing through the cooling area in the S2 to form a large roll, and cutting the large roll.
Example 4:
the preparation method comprises the following steps:
the preparation method of the biodegradable polyethylene particles comprises the following steps: the high-density polyethylene, the calcium oxide and the corn starch in parts by weight are placed into a high-speed mixing machine and mixed to form a mixture, the mixture is metered and conveyed into an extruder by a metering screw, the extruder is divided into 6 zones, the temperature of the first zone is 110-;
the preparation method of the degradable special film for the intelligent storage wrapping comprises the following steps: s1, placing the raw materials in parts by weight into a high mixing machine, mixing to form a mixture, metering and conveying the mixture into an extruder by a metering screw, wherein the extruder is divided into 23 zones, the temperature of the 1 st-9 zone is 110-;
and cooling the films in the S2 and S1 by a cold water roller, and then sending the films to a synchronous stretching machine for stretching, wherein the synchronous stretching machine comprises 11 zones, the temperature of the 1 st to 4 th zones is 115 ℃, the temperature of the 5 th to 8 th zones is 122-130 ℃, the temperature of the 9 th to 10 th zones is 130-135 ℃, the temperature of the 11 th zone is a cooling zone, and the temperature is 25-30 ℃.
And S3, winding the film passing through the cooling area in the S2 to form a large roll, and cutting the large roll.
Example 5:
the preparation method comprises the following steps:
the preparation method of the biodegradable polyethylene particles comprises the following steps: the high-density polyethylene, the calcium oxide and the corn starch in parts by weight are placed into a high-speed mixing machine and mixed to form a mixture, the mixture is metered and conveyed into an extruder by a metering screw, the extruder is divided into 6 zones, the temperature of the first zone is 110-;
the preparation method of the degradable special film for the intelligent storage wrapping comprises the following steps: s1, placing the raw materials in parts by weight into a high mixing machine, mixing to form a mixture, metering and conveying the mixture into an extruder by a metering screw, wherein the extruder is divided into 23 zones, the temperature of the 1 st-9 zone is 110-;
and cooling the films in the S2 and S1 by a cold water roller, and then sending the films to a synchronous stretching machine for stretching, wherein the synchronous stretching machine comprises 11 zones, the temperature of the 1 st to 4 th zones is 115 ℃, the temperature of the 5 th to 8 th zones is 122-130 ℃, the temperature of the 9 th to 10 th zones is 130-135 ℃, the temperature of the 11 th zone is a cooling zone, and the temperature is 25-30 ℃.
And S3, winding the film passing through the cooling area in the S2 to form a large roll, and cutting the large roll.
Comparative example:
raw materials: low density polyethylene;
the preparation method comprises the following steps: s1, placing the raw material low-density polyethylene into a high-speed mixing machine, mixing to form a mixture, conveying the mixture into an extruder by a metering screw in a metering mode, wherein the extruder is divided into 23 zones, the temperature of the 1 st-9 zone is 140-;
and cooling the films in the S2 and S1 by a cold water roller, and then sending the films to a synchronous stretching machine for stretching, wherein the synchronous stretching machine comprises 11 zones, the temperature of the 1 st to 4 th zones is 115 ℃, the temperature of the 5 th to 8 th zones is 122-130 ℃, the temperature of the 9 th to 10 th zones is 130-135 ℃, the temperature of the 11 th zone is a cooling zone, and the temperature is 25-30 ℃.
And S3, winding the film passing through the cooling area in the S2 to form a large roll, and cutting the large roll.
The films prepared in examples 1 to 5, which were used exclusively for degradable smart storage wrapping and the wrapping films prepared in comparative examples, were subjected to the following tests:
tensile strength: measured according to ISO 527;
elongation at break: measured according to ISO 527;
puncture resistance: determined according to BB/T0024-;
thickness: reference GB/T36363-2018
The data in table 1 were obtained:
TABLE 1
The films prepared in examples 1 to 5, which were used exclusively for degradable smart storage wrapping and the wrapping films prepared in comparative examples, were subjected to the following tests:
the degradable intelligent storage wrapping special film prepared in the examples 1-5 and the wrapping film prepared in the comparative example with the same area are cut into 5cm x 1m long strips, and then the strips are buried in the soil in the same area for degradation, so that the data in the table 2 are obtained:
TABLE 2
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The degradable intelligent storage wrapping special film is characterized by being prepared from the following components in parts by weight:
2. the degradable intelligent storage wrapping special film as claimed in claim 1, which is prepared from the following components in parts by weight:
3. the degradable intelligent storage wrapping special film as claimed in claim 2, which is prepared from the following components in parts by weight:
4. the degradable intelligent storage wrapping special film according to claim 3, wherein the biodegradable polyethylene particles are prepared from the following components in parts by weight: 50-70 parts of high-density polyethylene, 20-30 parts of calcium oxide and 20-30 parts of corn starch; the preparation method of the biodegradable polyethylene particles comprises the following steps: the high-density polyethylene, the calcium oxide and the corn starch in parts by weight are placed into a high-speed mixing machine to be mixed to form a mixture, the mixture is metered and conveyed into an extruder by a metering screw, the extruder is divided into 6 zones, the temperature of the first zone is 110-plus-140 ℃, the temperature of the second zone is 140-plus-190 ℃, the temperature of the third zone is 190-plus-220 ℃, the temperature of the fourth zone is 190-plus-220 ℃, the temperature of the fifth zone is 190-plus-220 ℃, the sixth zone is not heated, the mixture enters the extruder along the first zone, then flows out of the extruder along the sixth zone, is extruded by a metering pump, and then is cooled and granulated.
5. The film as claimed in claim 4, wherein the halogen-free flame retardant is a polyolefin flame retardant using phosphorus and nitrogen as flame retardant elements, the stabilizer is vitamin E, and the coupling agent is one or more of rare earth aluminate complex coupling agent, titanate coupling agent, and silane coupling agent.
6. The processing technology of the degradable intelligent storage wrapping special film according to any one of claims 1 to 5, characterized by comprising the following steps:
s1, placing the raw materials in parts by weight into a high mixing machine, mixing to form a mixture, metering and conveying the mixture into an extruder by a metering screw, wherein the extruder is divided into 23 zones, the temperature of the 1 st-9 zone is 110-;
and cooling the films in the S2 and S1 by a cold water roller, and then sending the films to a synchronous stretching machine for stretching, wherein the synchronous stretching machine comprises 11 zones, the temperature of the 1 st to 4 th zones is 115 ℃, the temperature of the 5 th to 8 th zones is 122-130 ℃, the temperature of the 9 th to 10 th zones is 130-135 ℃, the temperature of the 11 th zone is a cooling zone, and the temperature is 25-30 ℃.
And S3, winding the film passing through the cooling area in the S2 to form a large roll, and cutting the large roll.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010550423.6A CN111925578A (en) | 2020-06-16 | 2020-06-16 | Degradable film special for intelligent storage wrapping and processing technology thereof |
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| CN202010550423.6A CN111925578A (en) | 2020-06-16 | 2020-06-16 | Degradable film special for intelligent storage wrapping and processing technology thereof |
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| CN107286460A (en) * | 2017-08-02 | 2017-10-24 | 合肥帧讯低温科技有限公司 | A kind of agricultural product preservative film and preparation method thereof |
| CN107987322A (en) * | 2017-12-21 | 2018-05-04 | 苏州星火丰盈环保包装有限公司 | A kind of preparation method of biodegradable mulch |
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2020
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101698709A (en) * | 2009-10-28 | 2010-04-28 | 苏州禾盛新型材料股份有限公司 | Polypropylene modified material for degradable disposable tableware and preparation method thereof |
| CN107207741A (en) * | 2014-12-03 | 2017-09-26 | 捷迈有限公司 | Inject the ultra-high molecular weight polyethylene of antioxidant |
| CN105367887A (en) * | 2015-12-08 | 2016-03-02 | 山东棉花研究中心 | Environment-friendly mulching film easy for recycling and preparation method thereof |
| CN105504363A (en) * | 2016-01-07 | 2016-04-20 | 东莞市酬勤包装制品有限公司 | Starch and plant fiber composite biodegradable polyester film-blowing grade resin and preparation method |
| CN105694404A (en) * | 2016-04-25 | 2016-06-22 | 芜湖品通塑业科技有限公司 | Degradable material composition and preparation method and application of degradable plastic bag |
| CN107286460A (en) * | 2017-08-02 | 2017-10-24 | 合肥帧讯低温科技有限公司 | A kind of agricultural product preservative film and preparation method thereof |
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Application publication date: 20201113 |