CN110305383A - A kind of preparation and its application of protective fungicide packaging bag - Google Patents

A kind of preparation and its application of protective fungicide packaging bag Download PDF

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Publication number
CN110305383A
CN110305383A CN201910554078.0A CN201910554078A CN110305383A CN 110305383 A CN110305383 A CN 110305383A CN 201910554078 A CN201910554078 A CN 201910554078A CN 110305383 A CN110305383 A CN 110305383A
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parts
packaging bag
added
juice
essence
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张丹
倪永浩
郑磊
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Jiangnan University
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Jiangnan University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D31/00Bags or like containers made of paper and having structural provision for thickness of contents
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04Homopolymers or copolymers of ethene
    • C08J2323/06Polyethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2405/00Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
    • C08J2405/08Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2491/00Characterised by the use of oils, fats or waxes; Derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2497/00Characterised by the use of lignin-containing materials
    • C08J2497/02Lignocellulosic material, e.g. wood, straw or bagasse
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/0008Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0058Biocides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/09Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098Metal salts of carboxylic acids
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

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  • Engineering & Computer Science (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)
  • Mechanical Engineering (AREA)
  • Wrappers (AREA)
  • Packages (AREA)

Abstract

The invention discloses the preparations and its application of a kind of protective fungicide packaging bag, belong to Food Packaging technology field.The present invention provides a kind of methods for preparing sterilization packaging bag as main component using natural bactericidal agent, chitosan, Arabic gum, calcium propionate and citric acid.Using sterilization packaging bag safety and environmental protection prepared by method of the invention, 90% or more can achieve to the sterilization of the microorganisms such as Escherichia coli, staphylococcus aureus, salmonella, fungistatic effect.It can be applied to the multiple fields such as field of food, drug field, sphere of life.

Description

A kind of preparation and its application of protective fungicide packaging bag
Technical field
The present invention relates to the preparations and its application of a kind of protective fungicide packaging bag, belong to Food Packaging technology field.
Background technique
Plastic packaging bag is the easily-consumed products in daily life, and China will consume a large amount of plastic shopping bag every year.Plastics Packaging bag is providing convenient simultaneously as being excessively used and being recycled the reasons such as not in place for consumer, also results in tight The energy resources waste and environmental pollution of weight.Especially super-thin plastic shopping bag is easy breakage, is arbitrarily abandoned, is become mostly The main source of " white pollution ".
For at present, plastic packaging bag is based on plastics (common plastics have polyethylene, polypropylene, polyester, nylon etc.) Sack made of raw material is wanted, due to being widely used because of the advantages of its cheap, weight is extremely light, capacity is big, convenient for storing, but because Forbidden producing and be used by Countries for the polybag degradation cycle extremely difficult disadvantage of length, processing.But common plastics Bag, has a single function, the effect that do not sterilize, also the not no function of deodorization, therefore is badly in need of the packet of a kind of included sterilization, fungistatic effect It packs to extend the service life of packing material.
Summary of the invention
It is an object of the present invention to provide a kind of preparation method of sterilization packaging bag, be with natural bactericidal agent, chitosan, Arabic gum, calcium propionate and citric acid are that main component prepares sterilization packaging bag.
In one embodiment of the invention, the natural bactericidal agent includes but is not limited to juice of dandelion, carrot juice And mango juice.
In one embodiment of the invention, the natural bactericidal agent is prepared as follows: dandelion is uprooted Out, it is cleaned up using clear water, is cut to fritter, it is uniformly mixed with Jiang Shui, starch, honeysuckle, it is high using juice extractor later Speed stirring juicing, filtering collect clarified juice, obtain natural bacteriostatic agent;Wherein Jiang Shui: starch: honeysuckle: the quality of dandelion Than for 100:3~5:3~5:50~70.
In one embodiment of the invention, the dandelion replaces with mango leaf or carrot leaf.
In one embodiment of the invention, the Jiang Shui is to endure 10g ginger splices in 100g water 20 minutes to obtain.
In one embodiment of the invention, described method includes following steps:
(1) 30-40 parts of polyethylene, 10-20 parts of plant fibers are added in high-speed mixer at 130-150 DEG C, stir 20- 30 minutes;
(2) 5-10 parts of natural bactericidal agent, 3-5 parts of chitosan, 3-5 parts of citric acid, 1-3 parts of essence, Arab are sequentially added 1-2 parts of glue, revolving speed 800-1000rpm, high-speed stirred is uniform, and 20-30 minutes;
(3) calcium propionate 1-3 parts, synthesis vegetable esters 1-3 parts, 0.2-0.5 parts of butylated hydroxy anisole, revolving speed 800- is added 1000rpm, high-speed stirred is uniform, 10-20 minutes, is cooled to 30-40 DEG C, obtains mixing;
(4) blend composition is granulated at 180-200 DEG C, obtains master batch;
(5) blown film temperature in inflation film manufacturing machine is added in master batch is 120-130 DEG C, blows out material membrane, cooling, flanging;
(6) Bag Making Machine is added in material membrane, obtains the protective fungicide packaging bag.
In one embodiment of the invention, the plant fiber includes but is not limited to rice husk, straw, wheat straw, cotton The agricultural crop straws such as stalk, sawdust, bamboo scraps or the fiber of the stalk stem of other plants preparation.
In one embodiment of the invention, it is 50- that the plant fiber, which is the partial size crushed by pulverizer, The plant fiber powder of 100 mesh.
In one embodiment of the invention, the essence includes but is not limited to flavoring rose essence, osmanthus flower fragrance, lily perfume At least one of essence.
A second object of the present invention is to provide the sterilization packaging bags of the method preparation.
It is using sterilization packaging bag packaging food third object of the present invention is to provide a kind of method for packaging food Product.
Application of the packaging bag in terms of food storage, transport is also claimed in the present invention.
The utility model has the advantages that food grade materials, natural material, safety are all selected in protective fungicide packaging bag of the invention substantially Environmental protection can be applied to every field, including field of food, drug field, sphere of life etc..
Protective fungicide packaging bag of the invention is antibacterial, bactericidal effect is excellent, to Escherichia coli, staphylococcus aureus, Salmonella etc. has excellent sterilization, fungistatic effect, can achieve 90% or more.(before packaging, if packed article contains A small amount of bacterium, a small amount of microorganism can be killed packaging later, if packed article is free of bacterium, packaging bag can inhibit bacterium Generation, extend the shelf life)
Protective fungicide packaging bag biodegradable of the invention, it is environmentally friendly, without pollution environment.
Protective fungicide packaging bag formula of the invention is simple, low in cost, effectively improves gained packaging bag tensile strength, Tear-proof, mechanical strength are big, and load-bearing reaches 4kg or more, and sealing strength reaches 4N/15mm, and drop test, lifting experiment are without any Breakage, leak are tested anhydrous water clock and are gone out.For packaging bag thickness in 0.03mm, protecting effect is good, make packaging bag be used for a long time not by Damage, it is durable.
Protective fungicide packaging bag of the invention is with vegetable oil (especially edible vegetable oil using synthesis vegetable esters Leftover bits and pieces) be raw material, have the advantages that asepsis environment-protecting, up to medical grade require, heat-stable time is long, and can reduce life Produce cost.
Specific embodiment
Embodiment 1
(1) preparation of natural bactericidal agent: dandelion being extracted with root, is cleaned up using clear water, is cut to fritter later, will It is uniformly mixed with Jiang Shui (10g ginger splices is endured 20 minutes in 100g water and obtained), starch, honeysuckle, high using juice extractor later Speed stirring juicing, filtering collect clarified juice, obtain natural bacteriostatic agent, wherein Jiang Shui: starch: honeysuckle: the quality of dandelion Than for 100:3:3:60.
(2) high-speed mixer heating temperature is adjusted to 130 DEG C, revolving speed 500rpm, 30 parts of polyethylene, rice husk plant is fine It ties up in (being crushed to 60 mesh of partial size, moisture content 15%) 10 parts of addition high-speed mixers, stirs 20 minutes;
(3) it is first added 1 part of Arabic gum, builds a decentralized environment, 5 parts of natural bactericidal agent are added later, adds shell 3 parts of glycan, 3 parts of citric acid are eventually adding 1 part of essence, and revolving speed is that 800rpm is stirred 20 minutes;
(4) it continuously adds 1 part of calcium propionate, synthesize 1 part of vegetable esters, 0.2 part of butylated hydroxy anisole, revolving speed 800rpm, High-speed stirred is uniform, 10 minutes, is cooled to 30 DEG C, obtains mixing;
(5) blend composition is granulated at 180 DEG C, obtains master batch;
(6) blown film temperature in inflation film manufacturing machine is added in master batch is 120 DEG C, blows out material membrane, cooling, flanging;
(7) Bag Making Machine is added in material membrane, obtains the protective fungicide packaging bag.
Embodiment 2
The preparation of natural bactericidal agent: dandelion is extracted with root, and is cleaned up using clear water, is cut to fritter later, by it It is uniformly mixed with Jiang Shui (10g ginger splices is endured 20 minutes in 100g water and obtained), starch, honeysuckle, later using juice extractor high speed Stirring juicing, filtering collect clarified juice, obtain natural bacteriostatic agent, wherein Jiang Shui: starch: honeysuckle: dandelion=100:4: 4:70。
(1) high-speed mixer heating temperature is adjusted to 140 DEG C, revolving speed 600rpm, 35 parts of polyethylene, rice straw plant is fine It ties up in (being crushed to 80 mesh of partial size, moisture content 15%) 15 parts of addition high-speed mixers, stirs 25 minutes;
(2) it is first added 1 part of Arabic gum, builds a decentralized environment, 8 parts of natural bactericidal agent are added later, adds shell 4 parts of glycan, 4 parts of citric acid are eventually adding 2 parts of essence, revolving speed 900rpm, stir 25 minutes;
(3) it continuously adds 2 parts of calcium propionate, synthesize 2 parts of vegetable esters, 0.4 part of butylated hydroxy anisole, revolving speed 900rpm, High-speed stirred is uniform, 15 minutes, is cooled to 35 DEG C, obtains mixing;
(4) blend composition is granulated at 190 DEG C, obtains master batch;
(5) blown film temperature in inflation film manufacturing machine is added in master batch is 125 DEG C, blows out material membrane, cooling, flanging;
(6) Bag Making Machine is added in material membrane, obtains the protective fungicide packaging bag.
Embodiment 3
The preparation of natural bactericidal agent: dandelion is extracted with root, and mango and dandelion mass ratio 1:1 is selected, using clear water It cleans up, is cut to fritter later, it is mixed with Jiang Shui (10g ginger splices is endured 20 minutes in 100g water and obtained), starch, honeysuckle It closes uniformly, is squeezed the juice later using juice extractor high-speed stirred, filtering collects clarified juice, obtains natural bacteriostatic agent, wherein Jiang Shui: Starch: honeysuckle: dandelion and mango=100:5:5:70.
(1) high-speed mixer heating temperature is adjusted to 150 DEG C, revolving speed 700rpm, by 40 parts of polyethylene, cotton stem plant In 20 parts of addition high-speed mixers of fiber (being crushed to 50 mesh of partial size, moisture content 20%), stir 30 minutes;
(2) 2 parts of Arabic gum are first added, a decentralized environment is built, 10 parts of natural bactericidal agent are added later, adds shell 5 parts of glycan, 5 parts of citric acid are eventually adding 3 parts of essence, and revolving speed is that 1000rpm is stirred 30 minutes;
(3) it continuously adds 3 parts of calcium propionate, synthesize 3 parts of vegetable esters, 0.5 part of butylated hydroxy anisole, revolving speed 1000rpm, High-speed stirred is uniform, 20 minutes, is cooled to 40 DEG C, obtains mixing;
(4) blend composition is granulated at 200 DEG C, obtains master batch;
(5) blown film temperature in inflation film manufacturing machine is added in master batch is 130 DEG C, blows out material membrane, cooling, flanging;
(6) Bag Making Machine is added in material membrane, obtains the protective fungicide packaging bag.
Reference examples 1
The preparation of natural bactericidal agent: dandelion is extracted with root, and is cleaned up using clear water, is cut to fritter later, by it It is uniformly mixed with Jiang Shui (10g ginger splices is endured 20 minutes in 100g water and obtained), starch, honeysuckle, later using juice extractor high speed Stirring juicing, filtering collect clarified juice, obtain natural bacteriostatic agent, wherein Jiang Shui: starch: honeysuckle: dandelion=100:3: 3:60。
(1) high-speed mixer heating temperature is adjusted to 130 DEG C, revolving speed 500rpm, 30 parts of polyethylene, rice husk plant is fine Tie up 10 parts of (being crushed to 60 mesh of partial size, moisture content 15%), 5 parts of natural bactericidal agent, 3 parts of chitosan, 3 parts of citric acid, essence 1 Part, 1 part of Arabic gum, 1 part of calcium propionate, synthesis 1 part of vegetable esters, 0.2 part of butylated hydroxy anisole, are added in high-speed mixer, Stirring 20 minutes;
(2) 40 DEG C are cooled to, mixing is obtained;
(3) blend composition is granulated at 180 DEG C, obtains master batch;
(4) blown film temperature in inflation film manufacturing machine is added in master batch is 120 DEG C, blows out material membrane, cooling, flanging;
(5) Bag Making Machine is added in material membrane, obtains the protective fungicide packaging bag.
Reference examples 2
The preparation of natural bactericidal agent: dandelion is extracted with root, and is cleaned up using clear water, is cut to fritter later, by it It is uniformly mixed with Jiang Shui (10g ginger splices is endured 20 minutes in 100g water and obtained), starch, honeysuckle, later using juice extractor high speed Stirring juicing, filtering collect clarified juice, obtain natural bacteriostatic agent, wherein Jiang Shui: starch: honeysuckle: dandelion=100:4: 4:70。
(1) high-speed mixer heating temperature is adjusted to 140 DEG C, revolving speed 600rpm, 35 parts of addition high speeds of polyethylene are mixed In conjunction machine, stir 25 minutes;
(2) it is first added 1 part of Arabic gum, builds a decentralized environment, 8 parts of natural bactericidal agent are added later, adds shell 4 parts of glycan, 4 parts of citric acid, -2 parts of revolving speeds of essence are eventually adding as 900rpm, high-speed stirred is uniform, and 25 minutes;
(3) it continuously adds 2 parts of calcium propionate, synthesize 2 parts of vegetable esters, 0.4 part of butylated hydroxy anisole, revolving speed 900rpm, High-speed stirred is uniform, 15 minutes, is cooled to 35 DEG C, obtains mixing;
(4) blend composition is granulated at 190 DEG C, obtains master batch;
(5) blown film temperature in inflation film manufacturing machine is added in master batch is 125 DEG C, blows out material membrane, cooling, flanging;
(6) Bag Making Machine is added in material membrane, obtains the protective fungicide packaging bag.
Reference examples 3
The preparation of natural bactericidal agent: dandelion is extracted with root, and mango and dandelion mass ratio 1:1 is selected, using clear water It cleans up, is cut to fritter later, it is mixed with Jiang Shui (10g ginger splices is endured 20 minutes in 100g water and obtained), starch, honeysuckle It closes uniformly, is squeezed the juice later using juice extractor high-speed stirred, filtering collects clarified juice, obtains natural bacteriostatic agent, wherein Jiang Shui: Starch: honeysuckle: dandelion and mango=100:5:5:70.
(1) high-speed mixer heating temperature is adjusted to 150 DEG C, revolving speed 700rpm, by 40 parts of polyethylene, cotton stem plant In 20 parts of addition high-speed mixers of fiber (being crushed to 50 mesh of partial size, moisture content 20%), stir 30 minutes;
(2) 2 parts of Arabic gum are first added, a decentralized environment is built, 10 parts of natural bactericidal agent are added later, adds shell 5 parts of glycan, 5 parts of citric acid, -- being eventually adding 3 parts-revolving speed of essence is 1000rpm, and high-speed stirred is uniform, 30 minutes;
(3) it continuously adds 3 parts of calcium propionate, synthesize 3 parts of vegetable esters, 0.5 part of butylated hydroxy anisole, revolving speed 1000rpm, High-speed stirred is uniform, 20 minutes, is cooled to 40 DEG C, obtains mixing;
(4) blend composition is granulated at 200 DEG C, obtains master batch;
(5) blown film temperature in inflation film manufacturing machine is added in master batch is 130 DEG C, blows out material membrane, cooling, flanging;
(6) Bag Making Machine is added in material membrane, obtains the protective fungicide packaging bag.
Embodiment 4
Bread after complete disinfection is sprayed into mould, aspergillus flavus, the head mold (bread based on 100CFU/g on surface respectively It is mould), 100g bread is sampled, protective fungicide packaging bag prepared by Examples 1 to 3 and documents 1~3 is put into respectively, in 30 It places at a temperature of DEG C and carries out for 24 hours, using the micro organism quantity in the method for plate culture count method measurement bread, calculate sterilizing rate;It kills Bacterium rate
The results are shown in Table 1,
The bactericidal effect of 1 Different Package bag of table characterizes
Embodiment 5
Bread after complete disinfection is sprayed into Escherichia coli based on 100CFU/g, Staphylococcus aureus on surface respectively Bacterium, mould, Sharpe door bacterium sample 100g bread, put into protective fungicide packaging bag, place at a temperature of 30 DEG C and carry out for 24 hours, adopt With the micro organism quantity in the method for plate culture count method measurement bread, sterilizing rate is calculated;Sterilizing rate
Characterization of the 2 Different Package bag of table to different bacterium colony bactericidal effects
Embodiment 6
The test sealing-strength for carrying out mechanical performance to the packaging bag of Examples 1 to 3 and comparative example 1~3 presses QB/T 2358-1998 is carried out.
Load-bearing is weighed with the title that accuracy is 0.1kg.
Drop test: filling packaging bag 3/4ths for virtual package object, is got togather sealing with adhesive tape, from 500mm It freely falls, experiment ground is smooth cement flooring, and whether observation sack damages.It is tested using three sacks, with minimum Value is measurement result.
Leak performance: being packed into the room temperature clear water of 1/5th volumes in sack, keeps standing, 1, and observing after minute is It is no to have water droplet exudation.It is tested using three sacks, using minimum value as measurement result.
Lifting experiment: handbag fatigue tester is used, amplitude 30mm scholar 2mm, frequency 2Hz-3Hz will be equivalent to 2 times of mark Claim the granulate mixture of content quality to fill 3/4ths bags, be then suspended on testing machine, observing has at bag body and belt Without damage.It is tested with three sacks, using minimum value as measurement result.
The mechanical performance of 3 Different Package bag of table characterizes
Although the present invention has been described by way of example and in terms of the preferred embodiments, it is not intended to limit the invention, any to be familiar with this skill The people of art can do various change and modification, therefore protection model of the invention without departing from the spirit and scope of the present invention Enclosing subject to the definition of the claims.

Claims (10)

1. a kind of preparation method of sterilization packaging bag, which is characterized in that with natural bactericidal agent, chitosan, Arabic gum, calcium propionate It is main component with citric acid, prepares as follows:
(1) 30-40 parts of polyethylene, 10-20 parts of plant fibers are added in high-speed mixer at 130-150 DEG C, 20-30 points of stirring Clock;
(2) 5-10 parts of natural bactericidal agent, 3-5 parts of chitosan, 3-5 parts of citric acid, 1-2 parts of Arabic gum are sequentially added, revolving speed is 800-1000rpm, high-speed stirred is uniform, and 20-30 minutes;
(3) calcium propionate 1-3 parts, synthesis vegetable esters 1-3 parts, 0.2-0.5 parts of butylated hydroxy anisole, revolving speed 800- is added 1000rpm, high-speed stirred is uniform, 10-20 minutes, is cooled to 30-40 DEG C, obtains mixing;
(4) blend composition is granulated at 180-200 DEG C, obtains master batch;
(5) blown film temperature in inflation film manufacturing machine is added in master batch is 120-130 DEG C, blows out material membrane, cooling, flanging;
(6) Bag Making Machine is added in material membrane, obtains the protective fungicide packaging bag.
2. the method according to claim 1, wherein the natural bactericidal agent include but is not limited to juice of dandelion, Carrot juice or mango juice.
3. according to the method described in claim 2, it is characterized in that, the natural bactericidal agent is prepared as follows: by Pu public affairs English extracts with root, and is cleaned up using clear water, is cut to fritter, it is uniformly mixed with Jiang Shui, starch, honeysuckle, is used later The juicing of juice extractor high-speed stirred, filtering collect clarified juice, obtain natural bacteriostatic agent;Wherein Jiang Shui: starch: honeysuckle: Pu Gong The mass ratio of English is 100:3~5:3~5:50~70.
4. according to the method described in claim 3, it is characterized in that, the dandelion replaces with mango leaf or carrot leaf.
5. the method according to claim 1, wherein the step (2) also adds essence 1-3 parts.
6. the method according to claim 1, wherein the plant fiber be plant stalk stem preparation fiber, The plant includes but is not limited to the crops including rice husk, straw, wheat straw, Cotton Stalk, sawdust, bamboo scraps.
7. according to the method described in claim 6, it is characterized in that, the plant fiber is the grain crushed by pulverizer Diameter is the plant fiber powder of 50-100 mesh.
8. according to the method described in claim 5, it is characterized in that, the essence includes but is not limited to flavoring rose essence, fragrance of osmanthus At least one of essence, lily essence.
9. the sterilization packaging bag of any the method preparation of claim 1~8.
10. application of the sterilization packaging bag as claimed in claim 9 in terms of food storage, transport.
CN201910554078.0A 2019-06-25 2019-06-25 A kind of preparation and its application of protective fungicide packaging bag Pending CN110305383A (en)

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Application publication date: 20191008