CN113911537A - High-toughness biodegradable plastic bag and processing technology thereof - Google Patents
High-toughness biodegradable plastic bag and processing technology thereof Download PDFInfo
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- CN113911537A CN113911537A CN202111211784.9A CN202111211784A CN113911537A CN 113911537 A CN113911537 A CN 113911537A CN 202111211784 A CN202111211784 A CN 202111211784A CN 113911537 A CN113911537 A CN 113911537A
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- 238000012545 processing Methods 0.000 title claims abstract description 8
- 238000005516 engineering process Methods 0.000 title claims abstract description 7
- 230000008602 contraction Effects 0.000 claims abstract description 42
- 229920003023 plastic Polymers 0.000 claims abstract description 22
- 239000004033 plastic Substances 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 239000011148 porous material Substances 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims description 45
- 239000000203 mixture Substances 0.000 claims description 18
- 239000002985 plastic film Substances 0.000 claims description 18
- 229920006255 plastic film Polymers 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- 238000005520 cutting process Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 12
- 229920006238 degradable plastic Polymers 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 229920002472 Starch Polymers 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 239000008107 starch Substances 0.000 claims description 9
- 235000019698 starch Nutrition 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 7
- 241000196324 Embryophyta Species 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 238000010096 film blowing Methods 0.000 claims description 6
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- 240000008564 Boehmeria nivea Species 0.000 claims description 4
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- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910052895 riebeckite Inorganic materials 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 229920000168 Microcrystalline cellulose Polymers 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 238000006065 biodegradation reaction Methods 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 238000007731 hot pressing Methods 0.000 claims description 3
- 229920001684 low density polyethylene Polymers 0.000 claims description 3
- 239000004702 low-density polyethylene Substances 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 235000019813 microcrystalline cellulose Nutrition 0.000 claims description 3
- 239000008108 microcrystalline cellulose Substances 0.000 claims description 3
- 229940016286 microcrystalline cellulose Drugs 0.000 claims description 3
- 239000003504 photosensitizing agent Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920005672 polyolefin resin Polymers 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 229920002050 silicone resin Polymers 0.000 claims description 3
- 239000012745 toughening agent Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000010813 municipal solid waste Substances 0.000 abstract description 15
- 230000000149 penetrating effect Effects 0.000 abstract description 8
- 235000013361 beverage Nutrition 0.000 abstract description 7
- 235000014347 soups Nutrition 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 3
- 235000012054 meals Nutrition 0.000 abstract 2
- 235000013305 food Nutrition 0.000 description 7
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- 244000005700 microbiome Species 0.000 description 2
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- 241000233866 Fungi Species 0.000 description 1
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Images
Classifications
-
- 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
-
- 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
- B65D33/02—Local reinforcements or stiffening inserts, e.g. wires, strings, strips or frames
-
- 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
- B65D33/06—Handles
- B65D33/12—String handles
-
- 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
-
- 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
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/02—Cellulose; Modified cellulose
-
- 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
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/02—Cellulose; Modified cellulose
- C08J2401/04—Oxycellulose; Hydrocellulose
-
- 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
- C08J2423/06—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
- C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/10—Silicon-containing compounds
- C08K7/12—Asbestos
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Biological Depolymerization Polymers (AREA)
- Bag Frames (AREA)
Abstract
The invention discloses a high-toughness biodegradable plastic bag and a processing technology thereof, and the high-toughness biodegradable plastic bag comprises a bag body, wherein rope penetrating holes are formed in the side wall of the bag body in a penetrating manner, a plurality of groups of rope penetrating holes are formed in the rope penetrating holes, a first contraction rope and a second contraction rope are respectively wound on the outer side of the bag body in a penetrating manner and penetrate through the rope penetrating holes, and the first contraction rope is positioned above the second contraction rope; the first contraction rope and the second contraction rope are movably arranged on the outer side of the bag body in a penetrating mode, so that when liquid which is easy to incline is stored or a meal is eaten, objects stored in the bag body can be extruded, bound and fixed by pulling the first contraction rope and the second contraction rope, the objects in the bag cannot easily incline and shake, the meal is more convenient to pack particularly in the catering industry, and beverage and soup are prevented from being obliquely spilled; the plastic bag of filtration pore can increase the service function as rubbish waterlogging caused by excessive rainfall instrument after using, improves the utilization ratio.
Description
Technical Field
The invention relates to the technical field of plastic bags, in particular to a high-toughness biodegradable plastic bag and a processing technology thereof.
Background
Biodegradable plastics refer to a class of plastics that are degraded by the action of microorganisms such as bacteria, molds (fungi), and algae that exist in nature. The ideal biodegradable plastic is a high molecular material which has excellent service performance, can be completely decomposed by environmental microorganisms after being discarded, and is finally inorganic to become a component of carbon circulation in nature. "paper" is a typical biodegradable material, while "synthetic plastics" is a typical polymeric material. Therefore, biodegradable plastics are polymeric materials having both the properties of "paper" and "synthetic plastics".
But the function singleness of current degradable plastic bag, directly thrown away as rubbish after finishing using, the soup is spilled easily when the plastic bag uses in the food and beverage trade moreover, and is inconvenient to fix the packing thing.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high tenacity biodegradable plastic bag, includes the sack body, the lateral wall of sack body runs through and has seted up the wire rope handling hole, and the wire rope handling hole has seted up a plurality of groups, the outside of sack body runs through the winding respectively and has first shrink rope and second shrink rope, and first shrink rope and second shrink rope all run through the wire rope handling hole, first shrink rope is located the top of second shrink rope, the bottom of sack body runs through and has seted up the filtration pore, the activity of inner chamber bottom of sack body is equipped with the carton base, and the carton base is located the top of filtration pore.
By adopting the technical scheme, the first contraction rope and the second contraction rope are pulled to extrude, bind and fix the objects stored in the bag body, so that the objects in the bag cannot easily tilt and shake, the food is more convenient to pack particularly in the catering industry, and the beverage and soup are prevented from being obliquely spilled; the plastic bag of filtration pore can use as rubbish waterlogging caused by excessive rainfall instrument after using, increases service function, increases the utilization ratio, filters in addition the back and directly will link the sack to place the disposal bag in, and the effectual rubbish of alleviating opens the problem that leads to the heavier influence environment of peculiar smell in the disposal bag.
Preferably, the top both sides of bag body all fixedly connected with gasbag hand rope, the charging connector is installed to gasbag hand rope's inner chamber one side.
Through adopting above-mentioned technical scheme, the charging connector is used for the port of aerifing of gasbag portable rope.
Preferably, one end of the first contraction rope and one end of the second contraction rope are fixedly connected with a limiting ball, and the end parts of the first contraction rope and the second contraction rope are located on one side of the bag body.
Through adopting above-mentioned technical scheme, spacing ball avoids first shrink rope and the second shrink rope pine to take off.
A high-toughness biodegradable plastic bag and a processing technology thereof are characterized in that: the method comprises the following steps:
step S1: stirring and mixing 95 parts of polyolefin resin, 45 parts of starch, 15 parts of photosensitizer, 70 parts of microcrystalline cellulose powder, 60 parts of epoxy resin, 80 parts of low-density polyethylene, 25 parts of biodegradable agent and 80 parts of water, keeping the temperature at 170 ℃ in the stirring process, and stirring at the rotating speed of 60-95r/min for 45 minutes to obtain a mixture A;
step S2: mixing and stirring 35 parts of ramie fiber, 20 parts of asbestos fiber, 50 parts of high-molecular polyethylene, 40 parts of plant starch, 15 parts of silicone resin and 40 parts of starch solution, keeping the temperature at 120 ℃ in the stirring process, keeping the stirring speed at 130r/min, stopping stirring after 35 minutes, standing for 20 minutes, adding 15 parts of toughening agent, continuing stirring, keeping the temperature at 140 ℃ in the stirring process, keeping the stirring speed at 110 r/min, and stirring and mixing to obtain a mixture B;
step S3: and mixing the mixture A and the mixture B obtained in the steps S1 and S2, adding 20 parts of the colorant, 15 parts of the lubricant, 25 parts of the biodegradation agent and 15 parts of the plant curing agent, mixing and stirring, keeping the stirring temperature at 120-145 ℃, and the stirring speed at 100-130r/min, and stirring for 25 minutes to obtain a mixture C.
Step S4: then adding the mixture C into a bolt rod extruder for extrusion, wherein the extrusion temperature is set to be 115-125 ℃, and extruding plastic particles after 15-25 minutes;
step S5: and (3) adding the plastic particles into a dryer for drying, wherein the drying time is 8-12 minutes, and the temperature is 45-55 ℃.
Step S6: placing the dried plastic particles into a film blowing machine for film blowing to form a plastic film, cooling the plastic film, cutting the edge leftover materials by a cutting mechanism after cooling, cutting the edge leftover materials into the specification required by actual production, and winding the cut edge leftover materials onto a winding assembly;
step S7: then drawing the plastic film on the winding assembly onto a heat sealing machine, sealing the plastic film by the heat sealing machine, cooling and shaping the plastic film after sealing, and cutting the plastic film to form a main body of the degradable plastic bag;
step S8: and punching the obtained main body of the degradable plastic bag by punching equipment to form a stringing hole on the side surface and a filtering hole at the bottom.
Step S9: then, the airbag hand ropes 2 inflated in advance are hot-pressed at the two sides of the port of the main body of the plastic bag formed in the step S7 through a hot-pressing device;
step S10: finally, the first contraction rope and the second contraction rope which are cut in advance penetrate through the rope through holes in the upper row and the lower row respectively, and then the limiting ball is fixed at the end parts of the first contraction rope and the second contraction rope to prevent the first contraction rope and the second contraction rope from being separated;
step S11: the paper box base which is manufactured in advance is placed into the inner cavity of the bag body, so that the degradable plastic bag is processed.
In summary, the invention has the following beneficial technical effects:
1. first shrink rope and second shrink rope are worn to be equipped with in the outside activity of sack body, consequently when depositing the liquid or the food and beverage of easy slope, can bind fixedly through pulling first shrink rope and second shrink rope with its article extrusion of depositing the sack body inside, and the article of sack inside can not incline easily and rock like this, and it is more convenient especially to pack the food and beverage trade, avoids beverage soup slope to spill.
2. To food waste's filtration when setting up the convenience kitchen of filtration pore and using, along with environmental protection consciousness and the categorised influence of rubbish, rubbish from cooking need drop soup when handling, consequently the plastic bag that has the filtration pore can use as rubbish waterlogging caused by excessive rainfall instrument after using, increases service function, increases the utilization ratio, and filter the back in addition and directly will link the sack to place the disposal bag in, effectually alleviate rubbish and open the problem that leads to the heavier influence environment of peculiar smell in the disposal bag.
3. The bag body adds ramie fiber, asbestos fibre in the process of production can increase its toughness, increases toughness when the packing is degradable, improves firm effect.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic cross-sectional structure of the present invention.
Description of reference numerals: 1. a bag body; 2. an air bag lifting rope; 3. an air charging nozzle; 4. a stringing hole; 5. a first retraction cord; 6. a limiting ball; 7. a second retraction cord; 8. a carton base; 9. and (4) filtering holes.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a high-toughness biodegradable plastic bag and a processing method thereof: the utility model provides a high tenacity biodegradable plastic bag, including bag body 1, the lateral wall of bag body 1 runs through and has seted up wire rope handling hole 4, and wire rope handling hole 4 has seted up a plurality of groups, the outside of bag body 1 runs through the winding respectively and has first shrink rope 5 and second shrink rope 7, and first shrink rope 5 and second shrink rope 7 all run through wire rope handling hole 4, first shrink rope 5 is located the top of second shrink rope 7, bag body 1's bottom is run through and has been seted up filtration pore 9, bag body 1's inner chamber bottom activity is equipped with carton base 8, and carton base 8 is located the top of filtration pore 9.
As shown in fig. 1-2, the implementation scenario specifically includes: the first contraction rope 5 and the second contraction rope 7 are movably arranged on the outer side of the bag body 1 in a penetrating mode, so that when liquid which is easy to incline or food and drink is stored, the first contraction rope 5 and the second contraction rope 7 can be pulled to extrude, bind and fix objects stored in the bag body 1, the objects in the bag cannot incline and shake easily, particularly, food and drink packing is more convenient for the food and drink industry, the beverage and soup are prevented from being obliquely spilled, any one group of the first contraction rope 5 and the second contraction rope 7 can be selected according to the height of the actually packed objects to be fixed, and the bearing capacity and the flatness of the inner cavity of the bag body 1 are improved due to the arrangement of the paper box base 8, so that the objects are convenient to place; the arrangement of the filtering holes 9 facilitates the filtering of food residues when the garbage is used in a kitchen, and soup needs to be drained when kitchen garbage is treated along with the influence of environmental awareness and garbage classification, so that the plastic bag with the filtering holes 9 can be used as a garbage draining tool after being used, the use function is increased, the utilization rate is improved, and the connecting bag is directly placed in the garbage bag after being filtered, so that the problem that the peculiar smell seriously influences the environment due to the fact that the garbage is opened in the garbage bag is effectively solved; the airbag hand cord 2 increases comfort.
The top both sides of bag body 1 all fixedly connected with gasbag portable rope 2, and charging connector 3 is installed to the inner chamber one side of gasbag portable rope 2.
One end fixedly connected with spacing ball 6 of first shrink rope 5 and second shrink rope 7, the tip of first shrink rope 5 and second shrink rope 7 is located one side of bag body 1.
A high-toughness biodegradable plastic bag and a processing technology thereof are characterized in that: the method comprises the following steps:
step S1: stirring and mixing 95 parts of polyolefin resin, 45 parts of starch, 15 parts of photosensitizer, 70 parts of microcrystalline cellulose powder, 60 parts of epoxy resin, 80 parts of low-density polyethylene, 25 parts of biodegradable agent and 80 parts of water, keeping the temperature at 170 ℃ in the stirring process, and stirring at the rotating speed of 60-95r/min for 45 minutes to obtain a mixture A;
step S2: mixing and stirring 35 parts of ramie fiber, 20 parts of asbestos fiber, 50 parts of high-molecular polyethylene, 40 parts of plant starch, 15 parts of silicone resin and 40 parts of starch solution, keeping the temperature at 120 ℃ in the stirring process, keeping the stirring speed at 130r/min, stopping stirring after 35 minutes, standing for 20 minutes, adding 15 parts of toughening agent, continuing stirring, keeping the temperature at 140 ℃ in the stirring process, keeping the stirring speed at 110 r/min, and stirring and mixing to obtain a mixture B;
step S3: and mixing the mixture A and the mixture B obtained in the steps S1 and S2, adding 20 parts of the colorant, 15 parts of the lubricant, 25 parts of the biodegradation agent and 15 parts of the plant curing agent, mixing and stirring, keeping the stirring temperature at 120-145 ℃, and the stirring speed at 100-130r/min, and stirring for 25 minutes to obtain a mixture C.
Step S4: then adding the mixture C into a bolt rod extruder for extrusion, wherein the extrusion temperature is set to be 115-125 ℃, and extruding plastic particles after 15-25 minutes;
step S5: and (3) adding the plastic particles into a dryer for drying, wherein the drying time is 8-12 minutes, and the temperature is 45-55 ℃.
Step S6: placing the dried plastic particles into a film blowing machine for film blowing to form a plastic film, cooling the plastic film, cutting the edge leftover materials by a cutting mechanism after cooling, cutting the edge leftover materials into the specification required by actual production, and winding the cut edge leftover materials onto a winding assembly;
step S7: then drawing the plastic film on the winding assembly onto a heat sealing machine, sealing the plastic film by the heat sealing machine, cooling and shaping the plastic film after sealing, and cutting the plastic film to form a main body of the degradable plastic bag;
step S8: and punching the obtained main body of the degradable plastic bag by punching equipment to form a stringing hole on the side surface and a filtering hole at the bottom.
Step S9: then, the airbag hand ropes 2 inflated in advance are hot-pressed at the two sides of the port of the main body of the plastic bag formed in the step S7 through a hot-pressing device;
step S10: finally, the first contraction rope and the second contraction rope which are cut in advance penetrate through the rope through holes in the upper row and the lower row respectively, and then the limiting ball is fixed at the end parts of the first contraction rope and the second contraction rope to prevent the first contraction rope and the second contraction rope from being separated;
step S11: the paper box base which is made in advance is put into the inner cavity of the bag body, so that the processing of the degradable plastic bag is finished
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (4)
1. A high tenacity biodegradable plastic bag, includes bag body (1), its characterized in that: the utility model discloses a bag, including sack body (1), stringing hole (4), a plurality of groups have been seted up in the lateral wall of sack body (1) runs through, and stringing hole (4) have been seted up, the outside of sack body (1) runs through the winding respectively and has first shrink rope (5) and second shrink rope (7), and first shrink rope (5) and second shrink rope (7) all run through stringing hole (4), first shrink rope (5) are located the top of second shrink rope (7), the bottom of sack body (1) is run through and has been seted up filtration pore (9), the activity of inner chamber bottom of sack body (1) is equipped with carton base (8), and carton base (8) are located the top of filtration pore (9).
2. A high toughness biodegradable plastic bag according to claim 1, wherein: the air bag is characterized in that air bag hand ropes (2) are fixedly connected to two sides of the top of the bag body (1), and an inflating nozzle (3) is installed on one side of an inner cavity of each air bag hand rope (2).
3. A high toughness biodegradable plastic bag according to claim 1, wherein: one end of the first contraction rope (5) and one end of the second contraction rope (7) are fixedly connected with a limiting ball (6), and the end parts of the first contraction rope (5) and the second contraction rope (7) are located on one side of the bag body (1).
4. The high-toughness biodegradable plastic bag and the processing technology thereof according to claim 1, wherein the plastic bag comprises: the method comprises the following steps:
step S1: stirring and mixing 95 parts of polyolefin resin, 45 parts of starch, 15 parts of photosensitizer, 70 parts of microcrystalline cellulose powder, 60 parts of epoxy resin, 80 parts of low-density polyethylene, 25 parts of biodegradable agent and 80 parts of water, keeping the temperature at 170 ℃ in the stirring process, and stirring at the rotating speed of 60-95r/min for 45 minutes to obtain a mixture A;
step S2: mixing and stirring 35 parts of ramie fiber, 20 parts of asbestos fiber, 50 parts of high-molecular polyethylene, 40 parts of plant starch, 15 parts of silicone resin and 40 parts of starch solution, keeping the temperature at 120 ℃ in the stirring process, keeping the stirring speed at 130r/min, stopping stirring after 35 minutes, standing for 20 minutes, adding 15 parts of toughening agent, continuing stirring, keeping the temperature at 140 ℃ in the stirring process, keeping the stirring speed at 110 r/min, and stirring and mixing to obtain a mixture B;
step S3: and mixing the mixture A and the mixture B obtained in the steps S1 and S2, adding 20 parts of the colorant, 15 parts of the lubricant, 25 parts of the biodegradation agent and 15 parts of the plant curing agent, mixing and stirring, keeping the stirring temperature at 120-145 ℃, and the stirring speed at 100-130r/min, and stirring for 25 minutes to obtain a mixture C.
Step S4: then adding the mixture C into a bolt rod extruder for extrusion, wherein the extrusion temperature is set to be 115-125 ℃, and extruding plastic particles after 15-25 minutes;
step S5: and (3) adding the plastic particles into a dryer for drying, wherein the drying time is 8-12 minutes, and the temperature is 45-55 ℃.
Step S6: placing the dried plastic particles into a film blowing machine for film blowing to form a plastic film, cooling the plastic film, cutting the edge leftover materials by a cutting mechanism after cooling, cutting the edge leftover materials into the specification required by actual production, and winding the cut edge leftover materials onto a winding assembly;
step S7: then drawing the plastic film on the winding assembly onto a heat sealing machine, sealing the plastic film by the heat sealing machine, cooling and shaping the plastic film after sealing, and cutting the plastic film to form a main body of the degradable plastic bag;
step S8: and punching the obtained main body of the degradable plastic bag by punching equipment to form a stringing hole on the side surface and a filtering hole at the bottom.
Step S9: then, the airbag hand ropes 2 inflated in advance are hot-pressed at the two sides of the port of the main body of the plastic bag formed in the step S7 through a hot-pressing device;
step S10: the first contraction rope and the second contraction rope which are cut in advance penetrate through the rope through holes in the upper row and the lower row respectively, and then the limiting ball is fixed at the end parts of the first contraction rope and the second contraction rope to prevent the first contraction rope and the second contraction rope from being separated;
step S11: the paper box base which is manufactured in advance is placed into the inner cavity of the bag body, so that the degradable plastic bag is processed.
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