CN114987967A - Degradable garbage bag produced by using waste plastics and preparation method thereof - Google Patents
Degradable garbage bag produced by using waste plastics and preparation method thereof Download PDFInfo
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- 229920003023 plastic Polymers 0.000 title claims abstract description 102
- 239000004033 plastic Substances 0.000 title claims abstract description 102
- 239000002699 waste material Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 230000008602 contraction Effects 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims description 60
- 238000002156 mixing Methods 0.000 claims description 45
- 238000004140 cleaning Methods 0.000 claims description 30
- 238000003756 stirring Methods 0.000 claims description 26
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 16
- 238000005520 cutting process Methods 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- -1 polyethylene Polymers 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 15
- 239000000243 solution Substances 0.000 claims description 15
- 239000004698 Polyethylene Substances 0.000 claims description 10
- 229920002472 Starch Polymers 0.000 claims description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 10
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 10
- 239000011259 mixed solution Substances 0.000 claims description 10
- 229920000573 polyethylene Polymers 0.000 claims description 10
- 235000019698 starch Nutrition 0.000 claims description 10
- 239000008107 starch Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 6
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 5
- WEPXLRANFJEOFZ-UHFFFAOYSA-N 2,3,4-trifluorobenzoic acid Chemical compound OC(=O)C1=CC=C(F)C(F)=C1F WEPXLRANFJEOFZ-UHFFFAOYSA-N 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 229960001269 glycine hydrochloride Drugs 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 238000007639 printing Methods 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 4
- 238000002788 crimping Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/0006—Flexible refuse receptables, e.g. bags, sacks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/002—Rolls, strips or like assemblies of bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/14—Other constructional features; Accessories
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F2250/00—Materials of refuse receptacles
- B65F2250/114—Plastics
- B65F2250/1143—Polyethylene
-
- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Refuse Receptacles (AREA)
Abstract
The invention discloses a degradable garbage bag produced by waste plastics and a preparation method thereof, belonging to the technical field of garbage bag preparation and comprising a sleeve, a bag body is wound on the outer surface of the sleeve, one end of the bag body is fixedly connected with a bag bottom, the other end of the bag body is provided with a groove, a contraction belt is sleeved in the groove, a connecting button is fixedly connected to the outer surface of the contraction belt, a pull rope is sleeved in the connecting button in a sliding manner, the invention can conveniently degrade the garbage bag by arranging the through holes between the bag bottom and the bag body and arranging the stress grooves between the through holes, meanwhile, the bag body can be conveniently sealed in the later period, the sanitary effect is improved, the physical characteristics and the appearance can be ensured at higher temperature, the aim of heat deformation resistance is fulfilled, thereby ensuring the use function of the garbage bag, not only improving the quality of the degradable garbage bag, but also enlarging the application range of the degradable garbage bag.
Description
Technical Field
The invention relates to the technical field of garbage bag preparation, in particular to a degradable garbage bag produced by utilizing waste plastics and a preparation method thereof.
Background
The garbage bag is mainly made of plastic, and the plastic is extracted from petroleum, so when the garbage bag is buried underground, the garbage bag can be degraded for tens of years or hundreds of years, thereby seriously polluting soil, harmful smoke and toxic gas can be generated if an incineration treatment mode is adopted, further the atmospheric environment is polluted, and how to solve the white pollution caused by plastic products is a common problem facing all mankind.
Through retrieval, Chinese patent No. CN201510859049.7 discloses a degradable garbage bag produced by using waste plastics and a preparation method thereof, although the degradable garbage bag can be prepared, the degradable garbage bag has more raw materials for degradation modification, so that the cost investment is increased indirectly, and meanwhile, the degradable garbage bag has no thermal deformation resistance, so that the degradable garbage bag is easy to soften and deform under a high-temperature environment, the quality of the degradable garbage bag is reduced, the application range of the degradable garbage bag is narrowed, and the problem of defects of the preparation method is caused.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a degradable garbage bag produced by using waste plastics and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an utilize degradable disposal bag of waste plastic production, includes the sleeve pipe, the winding of sheathed tube surface has the bag body, the one end rigid coupling of the bag body has the bag end, the other end of the bag body is seted up flutedly, the recess endotheca is equipped with the shrink area, the surface rigid coupling of shrink area has the linking button, it has cup jointed the stay cord to link up in sliding in the button, the through-hole has been seted up between the bag end and the bag body, the stress channel has been seted up between the through-hole.
Furthermore, two symmetrical points on the contraction belt are fixedly connected with the bottom surface of the groove, the pull rope is connected with the top end of the contraction belt bag body through a connecting button, and the cross section of the stress groove is in a triangular shape.
A preparation method of a degradable garbage bag produced by using waste plastics comprises the following raw materials in parts by weight: 30-40 parts of activated alumina, 20-25 parts of hydrogenated polydecene, 5-8 parts of antimony trioxide, 550 parts of plastic raw material, 300 parts of grafted starch and 45-60 parts of polyethylene grafted maleic anhydride; the preparation method of the degradable garbage bag comprises the following specific steps:
the method comprises the following steps: preparing plastic raw materials: putting the waste plastic into a cleaning pool, adding cleaning solution into the cleaning pool, soaking for 3-4h, stirring for 0.5h, taking out the waste plastic, cleaning for 2-3 times by using clear water, drying the waste plastic, cutting the waste plastic into pieces in a crusher to form plastic powder, and finally putting the plastic powder into a granulator for melting and plasticizing to prepare plastic master batches, namely 700 parts of the plastic raw material 550-;
step two: modified plastic raw materials: mixing and stirring 30-40 parts of active alumina, 20-25 parts of hydrogenated polydecene and 5-8 parts of antimony trioxide, adding 550 parts of the plastic raw material and 700 parts of the plastic raw material in the step I after uniformly mixing, mixing and stirring again to form a mixture, putting the mixture into a double-screw extruder for mixing, and finally granulating to obtain a thermal modification raw material;
step three: preparing garbage bag raw materials: fully mixing the thermally modified raw material in the step two with 300 parts of grafted starch 200-200 parts and 45-60 parts of polyethylene grafted maleic anhydride, putting the mixture into a double-screw extruder again for mixing, and finally extruding and cooling to obtain a garbage bag raw material;
step four: preparing a garbage bag: treating the garbage bag raw material by a plastic bag making machine to obtain a degradable garbage bag;
step five: and (3) post-treatment: and (4) curling the degradable garbage bag on the sleeve, and finally packaging and storing to finish the operation.
Further, the manufacturing process of the cleaning solution in the first step is as follows:
s1, mixing dioxane and water uniformly to obtain a mixed solution;
s2, sequentially adding dioctyl aminoethyl glycine hydrochloride and trifluorobenzoic acid into the mixed solution in the S1, and uniformly mixing to obtain a cleaning solution;
the particle size of the plastic powder is 1-2cm on average.
Further, the stirring speed of the mixing and stirring in the second step is 220-.
Further, the twin-screw extruder in the second step and the third step has six sections, and the temperatures of the six sections are respectively as follows: 170 ℃, 180 ℃, 190 ℃, 200 ℃, 210 ℃ and 220 ℃, and the rotating speed of the double-screw extruder is 320 r/min.
Further, the processing process of the plastic bag making machine in the fourth step specifically comprises: blowing film, printing pattern, sealing and cutting, die cutting and garbage bag.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the bag body is broken along the stress groove by matching the stress groove with the through hole, so that the degradable garbage bags are conveniently separated, the use of a consumer is primarily facilitated, the top end of the bag body is turned outwards, the contraction band and the pull rope are sleeved on the outer surface of the garbage can, then the pull rope is tightened, the contraction band is gathered by the pull rope, the top end of the bag body is collected by the contraction band, the top end of the bag body is further clung to the top end of the garbage can, and the pull rope is knotted, so that the bag body is prevented from completely entering the garbage can when in use, the degradable garbage bags are further conveniently used, meanwhile, the bag body is conveniently sealed in the later period, and the sanitary effect is improved.
2. The invention indirectly reduces the cost investment by reducing the modified raw materials used in the third step, and simultaneously the degradable garbage bag can still ensure the physical characteristics and the appearance at higher temperature to achieve the purpose of heat deformation resistance, thereby ensuring the use function, improving the quality of the degradable garbage bag and expanding the application range of the degradable garbage bag.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a schematic view of the overall structure of a degradable garbage bag made of waste plastics according to the present invention;
FIG. 2 is an enlarged view of the structure of part A in FIG. 1 of the degradable garbage bag made of waste plastics according to the present invention;
FIG. 3 is a sectional view of a degradable garbage bag made of waste plastics according to the present invention;
FIG. 4 is a flow chart of a method for manufacturing a degradable garbage bag by using waste plastics according to the present invention.
In the figure: 1. a sleeve; 2. a bag body; 3. a bag bottom; 4. a shrink band; 5. a connecting button; 6. pulling a rope; 7. a through hole; 8. stress groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 4, the present invention provides a technical solution: a preparation method of a degradable garbage bag produced by using waste plastics comprises the following raw materials in parts by weight: 35 parts of activated alumina, 22 parts of hydrogenated polydecene, 7 parts of antimony trioxide, 650 parts of plastic raw materials, 250 parts of grafted starch and 55 parts of polyethylene grafted maleic anhydride; the preparation method of the degradable garbage bag comprises the following specific steps:
the method comprises the following steps: preparing plastic raw materials: putting waste plastics into a cleaning pool, adding cleaning liquid into the cleaning pool, soaking for 3.5 hours, stirring for 0.5 hour, fishing out the waste plastics, cleaning for 2 times by using clear water, drying the waste plastics, cutting the waste plastics into pieces in a blender to form plastic powder, and finally putting the plastic powder into a granulator for melting and plasticizing to prepare plastic master batches, namely 650 parts of plastic raw materials are obtained, wherein the cleaning liquid is prepared by the following steps:
s1, mixing dioxane and water uniformly to obtain a mixed solution;
s2, sequentially adding dioctyl aminoethyl glycine hydrochloride and trifluorobenzoic acid into the mixed solution in the S1, and uniformly mixing to obtain a cleaning solution;
the average particle size of the plastic powder is 1 cm;
step two: modified plastic raw materials: mixing and stirring 35 parts of active alumina, 22 parts of hydrogenated polydecene and 7 parts of antimony trioxide, adding 650 parts of the plastic raw material in the step one after uniform mixing, mixing and stirring again to form a mixture, putting the mixture into a double-screw extruder for mixing, and finally granulating to obtain a thermally modified raw material, wherein the mixing and stirring speed is 240r/min, and the stirring time is 0.5 h;
step three: preparing garbage bag raw materials: and (2) fully mixing the thermally modified raw material in the step two with 250 parts of grafted starch and 55 parts of polyethylene grafted maleic anhydride, putting the mixture into a double-screw extruder for mixing, and finally extruding and cooling to obtain the raw material of the garbage bag, wherein the double-screw extruder comprises six sections, and the temperatures of the six sections are respectively: 170 ℃, 180 ℃, 190 ℃, 200 ℃, 210 ℃ and 220 ℃, and the rotating speed of the double-screw extruder is 320 r/min;
step four: preparing a garbage bag: the degradable garbage bag is obtained by processing garbage bag raw materials through a plastic bag making machine, wherein the processing process of the plastic bag making machine comprises the following specific steps: blowing a film, printing a pattern, sealing and cutting, die cutting and garbage bag;
step five: and (3) post-treatment: and (4) curling the degradable garbage bag on the sleeve, and finally packaging and storing to finish the operation.
Example 2:
referring to fig. 4, the present invention provides a technical solution: a preparation method of a degradable garbage bag produced by using waste plastics comprises the following raw materials in parts by weight: 40 parts of activated alumina, 25 parts of hydrogenated polydecene, 8 parts of antimony trioxide, 700 parts of plastic raw materials, 300 parts of grafted starch and 60 parts of polyethylene grafted maleic anhydride; the preparation method of the degradable garbage bag comprises the following specific steps:
the method comprises the following steps: preparing plastic raw materials: putting the waste plastic into a cleaning pool, adding cleaning liquid into the cleaning pool, soaking for 4 hours, stirring for 0.5 hour, fishing out the waste plastic, cleaning for 3 times by using clear water, drying the waste plastic, cutting the waste plastic into pieces in a blender to form plastic powder, and finally putting the plastic powder into a granulator for melting and plasticizing to prepare plastic master batches, namely 700 parts of plastic raw materials, wherein the cleaning liquid is prepared by the following steps:
s1, mixing dioxane and water uniformly to obtain a mixed solution;
s2, sequentially adding dioctyl aminoethyl glycine hydrochloride and trifluorobenzoic acid into the mixed solution in the S1, and uniformly mixing to obtain a cleaning solution;
the average particle size of the plastic powder is 2 cm;
step two: modified plastic raw materials: mixing and stirring 40 parts of active alumina, 25 parts of hydrogenated polydecene and 8 parts of antimony trioxide, adding 700 parts of the plastic raw material in the step one after uniform mixing, mixing and stirring again to form a mixture, putting the mixture into a double-screw extruder for mixing, and finally granulating to obtain a thermally modified raw material, wherein the mixing and stirring speed is 260r/min, and the stirring time is 0.5 h;
step three: preparing garbage bag raw materials: fully mixing the thermally modified raw material in the step two with 300 parts of grafted starch and 60 parts of polyethylene grafted maleic anhydride, putting the mixture into a double-screw extruder again for mixing, and finally extruding and cooling to obtain the garbage bag raw material, wherein the double-screw extruder has six sections, and the temperature of the six sections is respectively as follows: 170 ℃, 180 ℃, 190 ℃, 200 ℃, 210 ℃ and 220 ℃, wherein the rotating speed of the double-screw extruder is 320 r/min;
step four: preparing a garbage bag: processing the garbage bag raw materials by a plastic bag making machine to obtain the degradable garbage bag, wherein the processing process of the plastic bag making machine comprises the following steps: blowing a film, printing a pattern, sealing and cutting, die cutting and garbage bag;
step five: and (3) post-treatment: and (4) crimping the degradable garbage bag on the sleeve, and finally packaging and storing to finish the operation.
Example 3:
referring to fig. 4, the present invention provides a technical solution: a preparation method of a degradable garbage bag produced by using waste plastics comprises the following raw materials in parts by weight: 30 parts of activated alumina, 20 parts of hydrogenated polydecene, 5 parts of antimony trioxide, 550 parts of plastic raw material, 200 parts of grafted starch and 45 parts of polyethylene grafted maleic anhydride; the preparation method of the degradable garbage bag comprises the following specific steps:
the method comprises the following steps: preparing plastic raw materials: putting waste plastics into a cleaning pool, adding cleaning liquid into the cleaning pool, soaking for 3 hours, stirring for 0.5 hour, fishing out the waste plastics, cleaning for 2 times by using clear water, drying the waste plastics, cutting the waste plastics into pieces in a blender to form plastic powder, and finally putting the plastic powder into a granulator for melting and plasticizing to prepare plastic master batches, namely 550 parts of plastic raw materials are obtained, wherein the cleaning liquid is prepared by the following steps:
s1, mixing dioxane and water uniformly to obtain a mixed solution;
s2, sequentially adding dioctyl aminoethyl glycine hydrochloride and trifluorobenzoic acid into the mixed solution in the S1, and uniformly mixing to obtain a cleaning solution;
the average particle size of the plastic powder is 1 cm;
step two: modified plastic raw materials: mixing and stirring 30 parts of activated alumina, 20 parts of hydrogenated polydecene and 5 parts of antimony trioxide, adding 550 parts of the plastic raw material in the step one after uniform mixing, mixing and stirring again to form a mixture, putting the mixture into a double-screw extruder for mixing, and finally granulating to obtain a thermally modified raw material, wherein the mixing and stirring speed is 220r/min, and the stirring time is 0.5 h;
step three: preparing garbage bag raw materials: fully mixing the thermally modified raw material in the step two with 200 parts of grafted starch and 45 parts of polyethylene grafted maleic anhydride, putting the mixture into a double-screw extruder again for mixing, and finally extruding and cooling to obtain the garbage bag raw material, wherein the double-screw extruder has six sections, and the temperature of the six sections is respectively as follows: 170 ℃, 180 ℃, 190 ℃, 200 ℃, 210 ℃ and 220 ℃, and the rotating speed of the double-screw extruder is 320 r/min;
step four: preparing a garbage bag: processing the garbage bag raw materials by a plastic bag making machine to obtain the degradable garbage bag, wherein the processing process of the plastic bag making machine comprises the following steps: blowing a film, printing a pattern, sealing and cutting, die cutting and garbage bag;
step five: and (3) post-treatment: and (4) crimping the degradable garbage bag on the sleeve, and finally packaging and storing to finish the operation.
Comparative example 1:
referring to fig. 4, the present invention provides a technical solution: the preparation method of the degradable garbage bag produced by using the waste plastics does not carry out the modification in the step two, and other schemes are the same as the embodiment 1.
The comparison shows that the degradation cycle of the garbage bags prepared in the examples 1-3 and the comparative example 1 is far shorter than that of the garbage bags common in the market, and meanwhile, the modified raw materials used in the step three are fewer, so that the cost input is indirectly reduced, meanwhile, the physical properties and the appearance of the garbage bags prepared in the examples 1-3 can be still ensured at a higher temperature, the purpose of heat deformation resistance is achieved, the use functions of the garbage bags can be ensured, the quality of the degradable garbage bags is improved, the application range of the degradable garbage bags is expanded, and the garbage bags in the comparative example 1 do not have the properties.
The working principle and the using process of the invention are as follows: when the degradable garbage bag needs to be used, the stress groove 8 on the bag body 2 is torn, the stress groove 8 gathers the tearing force, the bag body 2 is broken along the stress groove 8 by matching with the through hole 7, so that the degradable garbage bag is convenient to separate from each other, the use of a consumer is primarily facilitated, when the bag body 2 and the bag bottom 3 are positioned on the inner wall of the garbage can, the top end of the bag body 2 is turned outwards, the contraction belt 4 and the pull rope 6 are sleeved on the outer surface of the garbage can, the pull rope 6 is tightened, the pull rope 6 gathers the contraction belt 4 through the connecting button 5, so that the contraction belt 4 collects the top end of the bag body 2, the top end of the bag body 2 is tightly attached to the top end of the garbage can, and the pull rope 6 is knotted, the bag body 2 is prevented from completely entering the garbage can when in use, the use of the degradable garbage bag is further facilitated, meanwhile, the later sealing of the bag body 2 is facilitated, and the sanitary effect is improved, the operation is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides an utilize degradable disposal bag of old and useless plastics production, includes sleeve pipe (1), its characterized in that, the surface winding of sleeve pipe (1) has a bag body (2), the one end rigid coupling of the bag body (2) has at the bottom of the bag (3), the other end of the bag body (2) is seted up flutedly, the recess endotheca is equipped with shrink area (4), the surface rigid coupling in shrink area (4) has linking button (5), sliding sleeve has in linking button (5) had stay cord (6), through-hole (7) have been seted up between at the bottom of the bag (3) and the bag body (2), stress groove (8) have been seted up between through-hole (7).
2. The degradable garbage bag produced by the waste plastics of claim 1 is characterized in that two symmetrical points on the contraction belt (4) are fixedly connected with the bottom surface of the groove, the pull rope (6) is used for bundling the top end of the bag body (2) through the connecting button (5) and the contraction belt (4), and the cross section of the stress groove (8) is arranged in a triangular shape.
3. A preparation method of a degradable garbage bag produced by using waste plastics is characterized by comprising the following raw materials in parts by weight: 30-40 parts of activated alumina, 20-25 parts of hydrogenated polydecene, 5-8 parts of antimony trioxide, 550 parts of plastic raw material, 300 parts of grafted starch and 45-60 parts of polyethylene grafted maleic anhydride; the preparation method of the degradable garbage bag comprises the following specific steps:
the method comprises the following steps: preparing plastic raw materials: placing the waste plastic into a cleaning pool, adding cleaning solution into the cleaning pool, soaking for 3-4h, stirring for 0.5h, fishing out the waste plastic, cleaning for 2-3 times by using clear water, drying the waste plastic, placing the waste plastic into a crusher, cutting into pieces to form plastic powder, and finally placing the plastic powder into a granulator for melting and plasticizing to prepare plastic master batches, namely the plastic raw material 550-700 portions;
step two: modified plastic raw materials: mixing and stirring 30-40 parts of active alumina, 20-25 parts of hydrogenated polydecene and 5-8 parts of antimony trioxide, adding 550 parts of the plastic raw material and 700 parts of the plastic raw material in the step I after uniformly mixing, mixing and stirring again to form a mixture, putting the mixture into a double-screw extruder for mixing, and finally granulating to obtain a thermal modification raw material;
step three: preparing garbage bag raw materials: fully mixing the thermally modified raw material in the step two with 300 parts of grafted starch 200-200 parts and 45-60 parts of polyethylene grafted maleic anhydride, putting the mixture into a double-screw extruder again for mixing, and finally extruding and cooling to obtain a garbage bag raw material;
step four: preparing a garbage bag: treating the garbage bag raw material by a plastic bag making machine to obtain a degradable garbage bag;
step five: and (3) post-treatment: and (4) crimping the degradable garbage bag on the sleeve, and finally packaging and storing to finish the operation.
4. The method for preparing degradable garbage bags made of waste plastics as claimed in claim 3, wherein the manufacturing process of the cleaning solution in the first step is:
s1, mixing dioxane and water uniformly to obtain a mixed solution;
s2, sequentially adding dioctyl aminoethyl glycine hydrochloride and trifluorobenzoic acid into the mixed solution in the S1, and uniformly mixing to obtain a cleaning solution;
the particle size of the plastic powder is 1-2cm on average.
5. The method as claimed in claim 3, wherein the stirring speed of the mixing and stirring in step two is 220-260r/min, and the stirring time is 0.5 h.
6. The method for preparing the degradable garbage bag made of waste plastics according to claim 3, wherein the twin-screw extruder in the second step and the third step has six sections, and the temperatures of the six sections are respectively as follows: 170 ℃, 180 ℃, 190 ℃, 200 ℃, 210 ℃ and 220 ℃, and the rotating speed of the double-screw extruder is 320 r/min.
7. The method for preparing degradable garbage bags from waste plastics according to claim 3, wherein the treatment process of the plastic bag making machine in step four is as follows: blowing film, printing pattern, sealing and cutting, die cutting and garbage bag.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100765499B1 (en) * | 2007-03-28 | 2007-10-09 | 강정식 | Garbage bag for expelling animals and preparing method thereof |
| CN101759896A (en) * | 2009-11-11 | 2010-06-30 | 苏州禾盛新型材料股份有限公司 | Polyethylene modified material for degradable garbage bags and preparation method thereof |
| CN107828229A (en) * | 2017-10-30 | 2018-03-23 | 界首市锦丰塑业有限公司 | A kind of waste plastic recovery method for lifting thermal change type temperature |
| CN210417543U (en) * | 2019-04-15 | 2020-04-28 | 王梦雅 | Convenient tying rope capable of being stuck to opening of plain plastic bag |
| CN211253925U (en) * | 2019-12-20 | 2020-08-14 | 无锡道拓创意家居科技有限公司 | Garbage bag with draw rope for continuous bag supply garbage can |
| CN213229828U (en) * | 2020-07-23 | 2021-05-18 | 苏州龙轩包装有限公司 | Multifunctional food packaging bag |
-
2022
- 2022-06-30 CN CN202210762228.9A patent/CN114987967A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100765499B1 (en) * | 2007-03-28 | 2007-10-09 | 강정식 | Garbage bag for expelling animals and preparing method thereof |
| CN101759896A (en) * | 2009-11-11 | 2010-06-30 | 苏州禾盛新型材料股份有限公司 | Polyethylene modified material for degradable garbage bags and preparation method thereof |
| CN107828229A (en) * | 2017-10-30 | 2018-03-23 | 界首市锦丰塑业有限公司 | A kind of waste plastic recovery method for lifting thermal change type temperature |
| CN210417543U (en) * | 2019-04-15 | 2020-04-28 | 王梦雅 | Convenient tying rope capable of being stuck to opening of plain plastic bag |
| CN211253925U (en) * | 2019-12-20 | 2020-08-14 | 无锡道拓创意家居科技有限公司 | Garbage bag with draw rope for continuous bag supply garbage can |
| CN213229828U (en) * | 2020-07-23 | 2021-05-18 | 苏州龙轩包装有限公司 | Multifunctional food packaging bag |
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