CN116622149A - Full-biodegradation low-pressure calabash film and preparation method thereof - Google Patents
Full-biodegradation low-pressure calabash film and preparation method thereof Download PDFInfo
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- CN116622149A CN116622149A CN202310697531.XA CN202310697531A CN116622149A CN 116622149 A CN116622149 A CN 116622149A CN 202310697531 A CN202310697531 A CN 202310697531A CN 116622149 A CN116622149 A CN 116622149A
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- 240000009087 Crescentia cujete Species 0.000 title claims abstract description 54
- 235000005983 Crescentia cujete Nutrition 0.000 title claims abstract description 54
- 235000009797 Lagenaria vulgaris Nutrition 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title abstract description 12
- 238000006065 biodegradation reaction Methods 0.000 title abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 26
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000015556 catabolic process Effects 0.000 claims abstract description 20
- 238000006731 degradation reaction Methods 0.000 claims abstract description 20
- 239000004698 Polyethylene Substances 0.000 claims abstract description 18
- -1 polyethylene Polymers 0.000 claims abstract description 18
- 229920000573 polyethylene Polymers 0.000 claims abstract description 18
- 229920002472 Starch Polymers 0.000 claims abstract description 17
- 239000002216 antistatic agent Substances 0.000 claims abstract description 17
- 239000008107 starch Substances 0.000 claims abstract description 17
- 235000019698 starch Nutrition 0.000 claims abstract description 17
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 10
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 10
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims abstract description 10
- 235000013539 calcium stearate Nutrition 0.000 claims abstract description 10
- 239000008116 calcium stearate Substances 0.000 claims abstract description 10
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229940057995 liquid paraffin Drugs 0.000 claims abstract description 10
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 10
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 10
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 10
- 229920006226 ethylene-acrylic acid Polymers 0.000 claims abstract description 9
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 claims abstract description 9
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000000071 blow moulding Methods 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 9
- 229920002261 Corn starch Polymers 0.000 claims description 7
- 239000008120 corn starch Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 7
- 239000000155 melt Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Classifications
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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
-
- 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
-
- 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
-
- 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
- C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2471/02—Polyalkylene oxides
-
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
- C08K3/34—Silicon-containing compounds
-
- 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
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Abstract
The application discloses a full-biodegradation low-pressure calabash film and a preparation method thereof, wherein the full-biodegradation low-pressure calabash film is prepared from the following raw materials in parts by weight: 13-15 parts of degradation promoter, 27-30 parts of low-pressure polyethylene, 6-10 parts of polyethylene glycol, 1-2 parts of calcium stearate, 5-8 parts of ethylene-acrylic acid salt, 18-20 parts of nano calcium carbonate, 2-4 parts of talcum powder, 3-5 parts of silicon dioxide, 2-4 parts of antistatic agent, 3-5 parts of liquid paraffin, 10-12 parts of starch and 2-4 parts of oleamide; the full-biodegradable low-pressure calabash film has excellent biodegradability, can reduce the pollution of the waste calabash film to the environment, has excellent air retention property and mechanical property, and reduces the film breaking rate of the calabash film.
Description
Technical Field
The application relates to the technical field of calabash films, in particular to a full-biodegradation low-pressure calabash film and a preparation method thereof.
Background
The shock-proof effect of the calabash film serving as the novel logistics express packaging buffer material is not repeated, no matter the conventional newspaper, the Baolilong and the foam materials are basically inferior to that of the calabash film in drop test, wherein the main reason is that the buffer performance of the materials is insufficient, and the calabash film serving as the air buffer packaging material can bear the pressure of more than 85kg without being damaged, so that the calabash film can finish other buffer materials only from the single aspect.
With the rapid development of the express industry, the dosage of the calabash film is increased, the existing calabash film generally takes high-pressure polyethylene as a raw material, so that the degradation performance of the calabash film is poor, and with the increase of the waste calabash film, serious pollution is caused to the environment.
Disclosure of Invention
The application aims to provide a full-biodegradation low-pressure calabash film and a preparation method thereof.
In order to achieve the above object of the present application, the following technical solutions are specifically adopted:
the application provides a full-biodegradable low-pressure calabash film, which is prepared from the following raw materials in parts by weight:
13-15 parts of degradation promoter, 27-30 parts of low-pressure polyethylene, 6-10 parts of polyethylene glycol, 1-2 parts of calcium stearate, 5-8 parts of ethylene-acrylic acid salt, 18-20 parts of nano calcium carbonate, 2-4 parts of talcum powder, 3-5 parts of silicon dioxide, 2-4 parts of antistatic agent, 3-5 parts of liquid paraffin, 10-12 parts of starch and 2-4 parts of oleamide.
Preferably, the full-biodegradable low-pressure calabash film is prepared from the following raw materials in parts by weight:
14 parts of degradation promoter, 28 parts of low-pressure polyethylene, 8 parts of polyethylene glycol, 1 part of calcium stearate, 6 parts of ethylene-acrylic acid salt, 20 parts of nano calcium carbonate, 3 parts of talcum powder, 4 parts of silicon dioxide, 3 parts of antistatic agent, 4 parts of liquid paraffin, 10 parts of starch and 3 parts of oleamide.
Preferably, the degradation promoter is D2W 93389.
Preferably, the molecular weight of the low pressure polyethylene is 16 to 25 ten thousand.
Preferably, the antistatic agent is JK-23.
Preferably, the starch is corn starch.
The second aspect of the application provides a preparation method of the full-biodegradable low-pressure calabash film, which comprises the following steps:
(a) Weighing the raw materials according to parts by weight;
(b) Mixing and stirring the raw materials to obtain a premix;
(c) And (3) carrying out melt extrusion tabletting on the premix, and then carrying out blow molding to obtain the full-biodegradable low-pressure calabash film.
Preferably, the melt extrusion temperature is 220-250 ℃ and the rotating speed of the extruder is 30-40 r/min.
Preferably, the blow molding temperature is 200 to 240 ℃.
Compared with the prior art, the application has the beneficial effects that at least:
the full-biodegradable low-pressure calabash film has excellent biodegradability, can reduce environmental pollution caused by waste calabash films, has excellent air retention property and mechanical property, reduces the film breaking rate of the calabash films, and has the advantages of simple preparation process, easily controlled conditions, suitability for batch production and low production cost.
Detailed Description
Embodiments of the technical scheme of the present application will be described in detail below with reference to the embodiments. The following examples are only for more clearly illustrating the technical aspects of the present application, and thus are merely examples, and are not intended to limit the scope of the present application.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs.
Example 1
The embodiment is a full-biodegradation low-pressure calabash film, which is prepared from the following raw materials in parts by weight:
13 parts of degradation promoter, 27 parts of low-pressure polyethylene, 10 parts of polyethylene glycol, 1 part of calcium stearate, 5 parts of ethylene-acrylic acid salt, 20 parts of nano calcium carbonate, 2 parts of talcum powder, 3 parts of silicon dioxide, 2 parts of antistatic agent, 5 parts of liquid paraffin, 10 parts of starch and 4 parts of oleamide;
wherein the degradation promoter is D2W 93389;
the molecular weight of the low-pressure polyethylene is 20 ten thousand;
the antistatic agent is JK-23;
the starch is corn starch.
The preparation method of the full-biodegradable low-pressure calabash film comprises the following steps:
(a) Weighing the raw materials according to parts by weight;
(b) Mixing and stirring the raw materials to obtain a premix;
(c) Putting the premix into an extruder for melt extrusion and tabletting, and then carrying out blow molding to obtain the full-biodegradable low-pressure calabash film, wherein the temperature of the extruder is 220 ℃, the rotating speed of the extruder is 40r/min, and the time of the premix in the extruder is 25min; the die temperature in the blow molding was 230 ℃.
Example 2
The embodiment is a full-biodegradation low-pressure calabash film, which is prepared from the following raw materials in parts by weight:
15 parts of degradation promoter, 30 parts of low-pressure polyethylene, 6 parts of polyethylene glycol, 2 parts of calcium stearate, 8 parts of ethylene-acrylic acid salt, 18 parts of nano calcium carbonate, 4 parts of talcum powder, 5 parts of silicon dioxide, 4 parts of antistatic agent, 3 parts of liquid paraffin, 12 parts of starch and 2 parts of oleamide;
wherein the degradation promoter is D2W 93389;
the molecular weight of the low-pressure polyethylene is 20 ten thousand;
the antistatic agent is JK-23;
the starch is corn starch.
The preparation method of the full-biodegradable low-pressure calabash film comprises the following steps:
(a) Weighing the raw materials according to parts by weight;
(b) Mixing and stirring the raw materials to obtain a premix;
(c) Putting the premix into an extruder for melt extrusion and tabletting, and then carrying out blow molding to obtain the full-biodegradable low-pressure calabash film, wherein the temperature of the extruder is 240 ℃, the rotating speed of the extruder is 30r/min, and the time of the premix in the extruder is 30min; the die temperature in the blow molding was 230 ℃.
Example 3
The embodiment is a full-biodegradation low-pressure calabash film, which is prepared from the following raw materials in parts by weight:
14 parts of degradation promoter, 28 parts of low-pressure polyethylene, 8 parts of polyethylene glycol, 1 part of calcium stearate, 6 parts of ethylene-acrylic acid salt, 20 parts of nano calcium carbonate, 3 parts of talcum powder, 4 parts of silicon dioxide, 3 parts of antistatic agent, 4 parts of liquid paraffin, 10 parts of starch and 3 parts of oleamide;
wherein the degradation promoter is D2W 93389;
the molecular weight of the low-pressure polyethylene is 20 ten thousand;
the antistatic agent is JK-23;
the starch is corn starch.
The preparation method of the full-biodegradable low-pressure calabash film comprises the following steps:
(a) Weighing the raw materials according to parts by weight;
(b) Mixing and stirring the raw materials to obtain a premix;
(c) Putting the premix into an extruder for melt extrusion and tabletting, and then carrying out blow molding to obtain the full-biodegradable low-pressure calabash film, wherein the temperature of the extruder is 230 ℃, the rotating speed of the extruder is 35r/min, and the time of the premix in the extruder is 25min; the die temperature in the blow molding was 230 ℃.
Comparative example 1
The comparative example is a full-biodegradable low-pressure calabash film, which is prepared from the following raw materials in parts by weight:
14 parts of degradation promoter, 28 parts of low-pressure polyethylene, 8 parts of polyethylene glycol, 1 part of calcium stearate, 6 parts of ethylene-acrylic acid salt, 20 parts of nano calcium carbonate, 3 parts of talcum powder, 4 parts of silicon dioxide, 3 parts of antistatic agent, 7 parts of liquid paraffin and 10 parts of starch;
wherein the degradation promoter is D2W 93389;
the molecular weight of the low-pressure polyethylene is 16-25 ten thousand;
the antistatic agent is JK-23;
the starch is corn starch.
The preparation method of the full-biodegradable low-pressure calabash film comprises the following steps:
(a) Weighing the raw materials according to parts by weight;
(b) Mixing and stirring the raw materials to obtain a premix;
(c) Putting the premix into an extruder for melt extrusion and tabletting, and then carrying out blow molding to obtain the full-biodegradable low-pressure calabash film, wherein the temperature of the extruder is 230 ℃, the rotating speed of the extruder is 35r/min, and the time of the premix in the extruder is 25min; the die temperature in the blow molding was 230 ℃.
Comparative example 2
The comparative example is a full-biodegradable low-pressure calabash film, which is prepared from the following raw materials in parts by weight:
14 parts of degradation promoter, 28 parts of low-pressure polyethylene, 8 parts of polyethylene glycol, 1 part of calcium stearate, 20 parts of nano calcium carbonate, 3 parts of talcum powder, 4 parts of silicon dioxide, 3 parts of antistatic agent, 4 parts of liquid paraffin, 10 parts of starch and 3 parts of oleamide;
wherein the degradation promoter is D2W 93389;
the molecular weight of the low-pressure polyethylene is 16-25 ten thousand;
the antistatic agent is JK-23;
the starch is corn starch.
The preparation method of the full-biodegradable low-pressure calabash film comprises the following steps:
(a) Weighing the raw materials according to parts by weight;
(b) Mixing and stirring the raw materials to obtain a premix;
(c) Putting the premix into an extruder for melt extrusion and tabletting, and then carrying out blow molding to obtain the full-biodegradable low-pressure calabash film, wherein the temperature of the extruder is 230 ℃, the rotating speed of the extruder is 35r/min, and the time of the premix in the extruder is 25min; the die temperature in the blow molding was 230 ℃.
Experimental example
The full-biodegradable low-pressure calabash films prepared in example 3 and comparative examples 1 to 2 were obtained, respectively, however, the properties of the calabash films were examined.
Burying the calabash films (10 cm×50 cm) of example 3 and comparative examples 1-2 into soil (30 cm underground) at the same geographic position, taking out the calabash film after 3 months, and calculating the weight loss rate of each calabash film; 5, repeating each time, and calculating an average value to obtain the degradation rate.
Filling the calabash films of the example 3 and the comparative examples 1-2 with the same gas, placing the calabash films in the same environment, detecting the number of air bubbles on different calabash films after 120 days, calculating the air leakage rate, repeating for 5 times, and calculating the average value;
the above detection results are shown in Table 1;
TABLE 1
As can be seen from table 1:
according to the technical scheme, the full-biodegradation low-pressure calabash film is prepared by selecting the raw materials, has excellent degradation rate, is low in air leakage rate and has better quality stability.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application, and are intended to be included within the scope of the appended claims and description.
Claims (9)
1. The full-biodegradable low-pressure calabash film is characterized by being prepared from the following raw materials in parts by weight:
13-15 parts of degradation promoter, 27-30 parts of low-pressure polyethylene, 6-10 parts of polyethylene glycol, 1-2 parts of calcium stearate, 5-8 parts of ethylene-acrylic acid salt, 18-20 parts of nano calcium carbonate, 2-4 parts of talcum powder, 3-5 parts of silicon dioxide, 2-4 parts of antistatic agent, 3-5 parts of liquid paraffin, 10-12 parts of starch and 2-4 parts of oleamide.
2. The full-biodegradable low-pressure calabash film according to claim 1, wherein the full-biodegradable low-pressure calabash film is prepared from the following raw materials in parts by weight:
14 parts of degradation promoter, 28 parts of low-pressure polyethylene, 8 parts of polyethylene glycol, 1 part of calcium stearate, 6 parts of ethylene-acrylic acid salt, 20 parts of nano calcium carbonate, 3 parts of talcum powder, 4 parts of silicon dioxide, 3 parts of antistatic agent, 4 parts of liquid paraffin, 10 parts of starch and 3 parts of oleamide.
3. The fully biodegradable low pressure cucurbit film according to claim 1 or 2, characterized in that said degradation promoter is D2W 93389.
4. The fully biodegradable low pressure cucurbit film according to claim 1, wherein the low pressure polyethylene has a molecular weight of 16 to 25 ten thousand.
5. The fully biodegradable low pressure cucurbit film according to claim 1, characterized in that said antistatic agent is JK-23.
6. The fully biodegradable low pressure cucurbit film according to claim 1, wherein said starch is corn starch.
7. The method for preparing the full-biodegradable low-pressure calabash film according to any one of claims 1 to 6, which is characterized by comprising the following steps:
(a) Weighing the raw materials according to parts by weight;
(b) Mixing and stirring the raw materials to obtain a premix;
(c) And (3) carrying out melt extrusion tabletting on the premix, and then carrying out blow molding to obtain the full-biodegradable low-pressure calabash film.
8. The method according to claim 7, wherein the melt extrusion temperature is 220 to 250℃and the extruder rotation speed is 30 to 40r/min.
9. The method according to claim 7, wherein the blow molding temperature is 200 to 240 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310697531.XA CN116622149A (en) | 2023-06-13 | 2023-06-13 | Full-biodegradation low-pressure calabash film and preparation method thereof |
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| CN202310697531.XA CN116622149A (en) | 2023-06-13 | 2023-06-13 | Full-biodegradation low-pressure calabash film and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117603522A (en) * | 2024-01-23 | 2024-02-27 | 四川腾达峰橡塑科技有限公司 | Full-biodegradation plastic master batch and preparation method and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117603522A (en) * | 2024-01-23 | 2024-02-27 | 四川腾达峰橡塑科技有限公司 | Full-biodegradation plastic master batch and preparation method and application thereof |
| CN117603522B (en) * | 2024-01-23 | 2024-03-29 | 四川腾达峰橡塑科技有限公司 | Full-biodegradation plastic master batch and preparation method and application thereof |
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