CN114230891A - High-strength plastic garbage bag and preparation method thereof - Google Patents
High-strength plastic garbage bag and preparation method thereof Download PDFInfo
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- CN114230891A CN114230891A CN202111442583.XA CN202111442583A CN114230891A CN 114230891 A CN114230891 A CN 114230891A CN 202111442583 A CN202111442583 A CN 202111442583A CN 114230891 A CN114230891 A CN 114230891A
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- garbage bag
- antioxidant
- plastic garbage
- filler
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- 229920003023 plastic Polymers 0.000 title claims abstract description 44
- 239000004033 plastic Substances 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 239000000945 filler Substances 0.000 claims abstract description 27
- -1 polyethylene Polymers 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 239000004698 Polyethylene Substances 0.000 claims abstract description 17
- 229920000573 polyethylene Polymers 0.000 claims abstract description 17
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 15
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 15
- 239000003365 glass fiber Substances 0.000 claims abstract description 15
- 239000004417 polycarbonate Substances 0.000 claims abstract description 15
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 15
- 239000011347 resin Substances 0.000 claims abstract description 15
- 229920005989 resin Polymers 0.000 claims abstract description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 32
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical class 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 description 26
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 22
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 11
- 239000010445 mica Substances 0.000 claims description 11
- 229910052618 mica group Inorganic materials 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 11
- 238000001354 calcination Methods 0.000 claims description 10
- 239000011246 composite particle Substances 0.000 claims description 10
- 238000000071 blow moulding Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical group O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical group CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 2
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000000454 talc Substances 0.000 claims 1
- 229910052623 talc Inorganic materials 0.000 claims 1
- 235000012222 talc Nutrition 0.000 claims 1
- 239000004743 Polypropylene Substances 0.000 abstract description 3
- 229920001155 polypropylene Polymers 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 7
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- 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
Landscapes
- Chemical & Material Sciences (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 discloses a high-strength plastic garbage bag and a preparation method thereof. A high-strength plastic garbage bag comprises the following raw materials in parts by weight: 100-120 parts of polyethylene, 30-40 parts of K resin, 10-15 parts of polycarbonate, 10-15 parts of glass fiber, 3-9 parts of filler, 1-3 parts of compatilizer and 1-3 parts of antioxidant. The plastic bag disclosed by the invention takes polyethylene as a main raw material, polycarbonate, glass fiber and filler are added to enhance the strength of the polyethylene, K resin is added to enhance the stretchability of polypropylene, and the compatibility of each raw material is improved through the compatilizer, so that the overall performance of the plastic bag is ensured.
Description
Technical Field
The invention relates to a high-strength plastic garbage bag and a preparation method thereof, belonging to the technical field of plastics.
Background
Plastic bags (Plastic bags) are bags made of plastics (commonly used plastics include polypropylene, polyester, nylon, and the like) as main raw materials, are essential articles in daily life of people, and are often used for containing other articles. The plastic bag has the advantages of low price, extremely light weight, large capacity and convenient storage, but is forbidden to be produced and used by some countries due to the defects of extremely long degradation period and difficult treatment of the plastic bag, but most of the existing plastic bags in the market do not have high puncture resistance and tensile resistance, have low strength, are very easy to damage after being used once, and greatly increase the generation of white garbage in daily life.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a high-strength plastic garbage bag and a preparation method thereof.
The invention is realized by the following technical scheme:
a high-strength plastic garbage bag comprises the following raw materials in parts by weight: 100-120 parts of polyethylene, 30-40 parts of K resin, 10-15 parts of polycarbonate, 10-15 parts of glass fiber, 3-9 parts of filler, 1-3 parts of compatilizer and 1-3 parts of antioxidant.
The high-strength plastic garbage bag is characterized in that the filler is a mixture of modified talcum powder, calcium carbonate and mica powder; the modified talcum powder is obtained by the following steps: and (2) placing the talcum powder into a sulfuric acid solution, treating for 30-50min under an ultrasonic condition, washing with water, placing into a calcining furnace, calcining for 1-2h under the conditions of 500-700 ℃, and naturally cooling to obtain the modified talcum powder.
The high-strength plastic garbage bag is characterized in that the mass fraction of sulfuric acid in the sulfuric acid solution is 90-98%.
The high-strength plastic garbage bag is characterized in that the filler comprises the following raw materials in parts by mass: 30-40 parts of modified talcum powder, 5-9 parts of calcium carbonate and 5-9 parts of mica powder.
The high-strength plastic garbage bag is characterized in that the compatilizer is maleic anhydride grafted compatilizer.
The high-strength plastic garbage bag is characterized in that the antioxidant is antioxidant 1010, antioxidant 1076 or antioxidant 264.
The preparation method of the high-strength plastic garbage bag comprises the following steps: mixing polyethylene, K resin, polycarbonate, glass fiber, filler, compatilizer and antioxidant, adding the mixture into a double-screw extruder, melting, extruding, granulating and drying to obtain composite particles, and processing the composite particles into a film by using a blow molding machine.
The invention achieves the following beneficial effects:
the plastic bag disclosed by the invention takes polyethylene as a main raw material, polycarbonate, glass fiber and filler are added to enhance the strength of the polyethylene, K resin is added to enhance the stretchability of polypropylene, and the compatibility of each raw material is improved through the compatilizer, so that the overall performance of the plastic bag is ensured.
The filler of the invention adopts the mixture of modified talcum powder, calcium carbonate and mica powder, and particularly, the modified talcum powder is treated by sulfuric acid and then calcined, so that the filler has good dispersibility.
Detailed Description
The invention is further described below. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
A high-strength plastic garbage bag comprises the following raw materials in parts by weight: 100 parts of polyethylene, 30 parts of K resin, 10 parts of polycarbonate, 10 parts of glass fiber, 3 parts of filler, 1 part of compatilizer and 10101 parts of antioxidant.
The filler is a mixture of modified talcum powder, calcium carbonate and mica powder; the modified talcum powder is obtained by the following steps: and (2) placing the talcum powder into a sulfuric acid solution, treating for 30-50min under an ultrasonic condition, washing with water, placing into a calcining furnace, calcining for 1-2h under the conditions of 500-700 ℃, and naturally cooling to obtain the modified talcum powder. The mass fraction of the sulfuric acid in the sulfuric acid solution is 90-98%. The filler comprises the following raw materials in percentage by mass: 30 parts of modified talcum powder, 5 parts of calcium carbonate and 5 parts of mica powder.
A preparation method of a high-strength plastic garbage bag comprises the following steps: mixing polyethylene, K resin, polycarbonate, glass fiber, filler, compatilizer and antioxidant, adding the mixture into a double-screw extruder, melting, extruding, granulating and drying to obtain composite particles, and processing the composite particles into a film by using a blow molding machine.
Example 2
A high-strength plastic garbage bag comprises the following raw materials in parts by weight: 120 parts of polyethylene, 40 parts of K resin, 15 parts of polycarbonate, 15 parts of glass fiber, 9 parts of filler, 3 parts of compatilizer and 10761-3 parts of antioxidant.
The filler is a mixture of modified talcum powder, calcium carbonate and mica powder; the modified talcum powder is obtained by the following steps: and (2) placing the talcum powder into a sulfuric acid solution, treating for 30-50min under an ultrasonic condition, washing with water, placing into a calcining furnace, calcining for 1-2h under the conditions of 500-700 ℃, and naturally cooling to obtain the modified talcum powder. The mass fraction of the sulfuric acid in the sulfuric acid solution is 90-98%. The filler comprises the following raw materials in percentage by mass: 40 parts of modified talcum powder, 9 parts of calcium carbonate and 9 parts of mica powder.
A preparation method of a high-strength plastic garbage bag comprises the following steps: mixing polyethylene, K resin, polycarbonate, glass fiber, filler, compatilizer and antioxidant, adding the mixture into a double-screw extruder, melting, extruding, granulating and drying to obtain composite particles, and processing the composite particles into a film by using a blow molding machine.
Example 3
A high-strength plastic garbage bag comprises the following raw materials in parts by weight: 110 parts of polyethylene, 36 parts of K resin, 12 parts of polycarbonate, 12 parts of glass fiber, 6 parts of filler, 2 parts of maleic anhydride grafted compatilizer and 2642 parts of antioxidant.
The filler is a mixture of modified talcum powder, calcium carbonate and mica powder; the modified talcum powder is obtained by the following steps: and (2) placing the talcum powder into a sulfuric acid solution, treating for 30-50min under an ultrasonic condition, washing with water, placing into a calcining furnace, calcining for 1-2h under the conditions of 500-700 ℃, and naturally cooling to obtain the modified talcum powder. The mass fraction of the sulfuric acid in the sulfuric acid solution is 90-98%. The filler comprises the following raw materials in percentage by mass: 36 parts of modified talcum powder, 6 parts of calcium carbonate and 6 parts of mica powder.
A preparation method of a high-strength plastic garbage bag comprises the following steps: mixing polyethylene, K resin, polycarbonate, glass fiber, filler, compatilizer and antioxidant, adding the mixture into a double-screw extruder, melting, extruding, granulating and drying to obtain composite particles, and processing the composite particles into a film by using a blow molding machine.
Comparative example 1
A high-strength plastic garbage bag comprises the following raw materials in parts by weight: 110 parts of polyethylene, 36 parts of K resin, 12 parts of polycarbonate, 12 parts of glass fiber, 2 parts of maleic anhydride grafted compatilizer and 2642 parts of antioxidant.
Comparative example 2
A high-strength plastic garbage bag comprises the following raw materials in parts by weight: 110 parts of polyethylene, 12 parts of polycarbonate, 12 parts of glass fiber, 6 parts of filler, 2 parts of maleic anhydride grafted compatilizer and 2642 parts of antioxidant.
The plastic bags of the examples and comparative examples were subjected to performance tests, and the specific results are shown in table 1.
TABLE 1 test results of plastic bag Properties
| Example 1 | Example 1 | Example 3 | Comparative example 1 | Comparative example 2 | |
| Tensile strength MPa | 52.5 | 51.2 | 50.3 | 40.2 | 42.6 |
| Bending strength MPa | 58.2 | 58.7 | 59.1 | 41.3 | 50.3 |
| Elongation at break% | 300 | 300 | 300 | 300 | 100 |
| Impact strength kJ/m2 | 40.9 | 39.5 | 39.8 | 28.7 | 38.7 |
From table 1, examples 1, 2 and 3, to which fillers were added, gave plastic bags having good strength, especially impact strength, as compared to comparative example 1; compared with comparative example 2, examples 1, 2 and 3, to which K resin was added, resulted in plastic bags having good strength, especially good stretchability.
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 (7)
1. A high-strength plastic garbage bag is characterized by comprising the following raw materials in parts by weight: 100-120 parts of polyethylene, 30-40 parts of K resin, 10-15 parts of polycarbonate, 10-15 parts of glass fiber, 3-9 parts of filler, 1-3 parts of compatilizer and 1-3 parts of antioxidant.
2. The plastic garbage bag as claimed in claim 1, wherein said filler is a mixture of modified talc, calcium carbonate and mica powder; the modified talcum powder is obtained by the following steps: and (2) placing the talcum powder into a sulfuric acid solution, treating for 30-50min under an ultrasonic condition, washing with water, placing into a calcining furnace, calcining for 1-2h under the conditions of 500-700 ℃, and naturally cooling to obtain the modified talcum powder.
3. The plastic refuse bag as claimed in claim 2, wherein the sulfuric acid solution contains 90-98% by mass of sulfuric acid.
4. The high-strength plastic garbage bag as claimed in claim 2 or 3, wherein the filler comprises the following raw materials in percentage by mass: 30-40 parts of modified talcum powder, 5-9 parts of calcium carbonate and 5-9 parts of mica powder.
5. The high strength plastic garbage bag of claim 1 wherein said compatibilizer is maleic anhydride grafted compatibilizer.
6. The high strength plastic garbage bag of claim 1 wherein said antioxidant is antioxidant 1010, antioxidant 1076 or antioxidant 264.
7. A method of making a high strength plastic garbage bag according to any one of claims 1 to 6, comprising the steps of: mixing polyethylene, K resin, polycarbonate, glass fiber, filler, compatilizer and antioxidant, adding the mixture into a double-screw extruder, melting, extruding, granulating and drying to obtain composite particles, and processing the composite particles into a film by using a blow molding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111442583.XA CN114230891A (en) | 2021-11-30 | 2021-11-30 | High-strength plastic garbage bag and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111442583.XA CN114230891A (en) | 2021-11-30 | 2021-11-30 | High-strength plastic garbage bag and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114230891A true CN114230891A (en) | 2022-03-25 |
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| CN202111442583.XA Pending CN114230891A (en) | 2021-11-30 | 2021-11-30 | High-strength plastic garbage bag and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843295A (en) * | 2015-04-17 | 2015-08-19 | 柳州蔚园塑料彩印包装有限责任公司 | Plastic packaging bag for expressage |
| WO2017106565A1 (en) * | 2015-12-15 | 2017-06-22 | Steve Kohn | Product and method for a plastic bag or plastic composition comprising inorganic minerals |
| CN109535524A (en) * | 2018-11-26 | 2019-03-29 | 铜陵熙成塑料制品有限公司 | A kind of highstrenghtpiston packs inner bag material and preparation method thereof |
| CN111303523A (en) * | 2020-03-30 | 2020-06-19 | 安徽捷诚包装制品有限公司 | High-strength PE film and preparation process thereof |
-
2021
- 2021-11-30 CN CN202111442583.XA patent/CN114230891A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843295A (en) * | 2015-04-17 | 2015-08-19 | 柳州蔚园塑料彩印包装有限责任公司 | Plastic packaging bag for expressage |
| WO2017106565A1 (en) * | 2015-12-15 | 2017-06-22 | Steve Kohn | Product and method for a plastic bag or plastic composition comprising inorganic minerals |
| CN109535524A (en) * | 2018-11-26 | 2019-03-29 | 铜陵熙成塑料制品有限公司 | A kind of highstrenghtpiston packs inner bag material and preparation method thereof |
| CN111303523A (en) * | 2020-03-30 | 2020-06-19 | 安徽捷诚包装制品有限公司 | High-strength PE film and preparation process thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王建清 等主编: "《塑料包装材料成型与彩印工艺》", 中国轻工业出版社 * |
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