CN107760043A - It is packed for composite antibacterial film and preparation method thereof - Google Patents

It is packed for composite antibacterial film and preparation method thereof Download PDF

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Publication number
CN107760043A
CN107760043A CN201711067469.7A CN201711067469A CN107760043A CN 107760043 A CN107760043 A CN 107760043A CN 201711067469 A CN201711067469 A CN 201711067469A CN 107760043 A CN107760043 A CN 107760043A
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parts
packed
antibacterial film
composite antibacterial
water
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史闵新
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Suzhou Fuzhong Plastic Co Ltd
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Suzhou Fuzhong Plastic Co Ltd
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L93/00—Compositions of natural resins; Compositions of derivatives thereof
    • C08L93/02—Shellac
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L93/00—Compositions of natural resins; Compositions of derivatives thereof
    • C08L93/04—Rosin
    • 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
    • C08J2393/00—Characterised by the use of natural resins; Derivatives thereof
    • C08J2393/02—Shellac
    • 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
    • C08J2393/00—Characterised by the use of natural resins; Derivatives thereof
    • C08J2393/04—Rosin
    • 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
    • C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
    • C08J2491/06—Waxes
    • 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
    • C08J2493/00—Characterised by the use of natural resins; Derivatives thereof
    • C08J2493/02—Shellac
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/018—Additives for biodegradable polymeric composition
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/06—Biodegradable
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/16—Applications used for films
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
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Abstract

The invention discloses composite antibacterial film and preparation method thereof is packed for, the antibacterial film is prepared by following raw material：Brazil wax, lac resin, Bitter Orang P.E, tapioca, string, radix glycyrrhizae sweetener, rosin, ursol acid benzyl ester, Pasania cuspidata palm fibre, the double bixin esters of lutein, astaxanthin, barbaloin, citric acid, APG, ethyl acetate, water.Packaging film anti-microbial property provided by the invention is outstanding, and possesses good mechanical property and gas permeability；Simultaneously by soil bury 5 weeks after packaging film weight-loss ratio up to 45% and more than, possess certain degradation property, environmental pollution can be greatly reduced.

Description

It is packed for composite antibacterial film and preparation method thereof
Technical field
The invention belongs to field of packaging material, and in particular to be packed for composite antibacterial film and preparation method thereof.
Background technology
With deepening continuously for nanotechnology research, nano-antibacterial packaging is made with its unique nano effect and interfacial effect The anti-microbial property for obtaining antibiotic packaging material is further enhanced.Nano-antibacterial is packed, and is exactly to use dispersed phase size as 1- 100nm antibacterial granule or crystal and other packaging materials are compound or addition made of the nanometer with nanoscale structures unit resist Bacterium bag package material, it has good development prospect in the especially environmentally friendly packing material field of packaging field now.
At present for nano-antibacterial packaging research enterprise increase year by year, its mainly by add nano titanium oxide, The inorganic material such as nano zine oxide or Nano Silver prepares Naomi Packaging Materials, and its antibacterial effect is preferable at present, and has Eliminate the unusual smell, the effect of fresh-keeping and sterilizing, the quality of food can be improved, extend the shelf life of food, have in food packaging industry There is good application prospect.But the nano-antibacterial particle introduced, though its antibiotic property can be improved to a certain extent, with receiving The increase of nano antibacterial particle addition, the gas permeability and mechanical property of Naomi Packaging Materials can be gradually reduced；In addition it is existing The packaging material non-degradable under natural environment mostly, serious environmental pollution can be caused, these can be limited to a certain extent Make its application.
The content of the invention
Therefore, the present invention, which provides, is packed for composite antibacterial film and preparation method thereof, solves at least one of prior art skill Art problem.
Therefore, the present invention, which provides, is packed for composite antibacterial film, it is prepared by the raw material of following parts by weight：Brazil wax 5-12 parts, lac resin 8-16 parts, Bitter Orang P.E 2-7 parts, tapioca 5-13 parts, string 3-7 parts, radix glycyrrhizae sweetener 2-5 parts, rosin 0.8-2 parts, ursol acid benzyl ester 4-7 parts, Pasania cuspidata palm fibre 2.5-6.2 parts, the double bixin ester 1.3-4 of lutein Part, astaxanthin 0.2-1.1 parts, barbaloin 0.7-3.2 parts, citric acid 4.5-7 parts, APG 2.3-5 parts, ethyl acetate 25- 40 parts, water 28-42 parts.
Preferably, the Bitter Orang P.E is prepared by following methods：The dried immature fruit of citron orange is shredded, is added to the water, adds salt It is 2 that acid, which adjusts its pH value, is subsequently placed in 80-90 DEG C of water-bath, is shaken 50-80 minutes, filtering, filtrate is adjusted into its pH with ammoniacal liquor It is worth for 4, then adds appropriate ethanol, obtain sediment, most after drying 3-6 hours at 80-90 DEG C, produces.
Preferably, the string is at least one in aloe fibre, pina fibre, cocoanut fiber and loofah fiber Kind.
Preferably, the string is aloe fibre and loofah fiber, and both mass ratioes are 2:1.
Preferably, it is prepared by the raw material of following parts by weight：Brazil wax 5.5-11.2 parts, lac resin 8.4-15 Part, Bitter Orang P.E 2.8-6.5 parts, tapioca 5.2-11.5 parts, string 3.4-6.8 parts, radix glycyrrhizae sweetener 2.8-4.2 Part, rosin 1.1-1.8 parts, ursol acid benzyl ester 4.2-6.3 parts, Pasania cuspidata palm fibre 2.8-5.4 parts, the double bixin ester 1.7- of lutein 3.6 parts, astaxanthin 0.4-0.9 parts, barbaloin 0.8-2.4 parts, citric acid 4.8-6.4 parts, APG 2.7-4.3 parts, acetic acid Ethyl ester 28-36 parts, water 30-38 parts.
Therefore, the present invention provides the preparation method for being packed for composite antibacterial film, comprise the following steps：
（1）Brazil wax is added in ethyl acetate, 70-90 DEG C is heated to, stirring and dissolving, then adds lac resin and trifoliate orange Real extract, 30-60min is stirred with 120-200r/min speed, mixed liquor M is made；
（2）Tapioca, radix glycyrrhizae sweetener, Pasania cuspidata palm fibre and barbaloin are added to the water, are heated to 50-70 DEG C of stirring 30- 60min, it is standby；
（3）By APG and step（1）Obtained mixed liquor M sequentially adds step（2）In, it is uniformly mixed, Ran Houjia Enter rosin, ursol acid benzyl ester, lutein double bixin ester, citric acid, astaxanthin and strings, at 45-65 DEG C, with 80- 150r/min speed stirring 2-4h, is made mixed liquor N；
（4）Emulsifying is carried out to mixed liquor N with ultrasonic homogenizer, then carries out deaeration, then pours into die for molding, Yu Wen 60-80 DEG C of dry 5-10h is spent, relative humidity is subsequently placed in dry 10-24h under 40-50%, 25-35 DEG C of temperature and humidity conditions, takes off Film, you can.
Preferably, the step（1）In be heated to 85 DEG C, stirring and dissolving, then add lac resin and Bitter Orang P.E, 45min is stirred with 180r/min speed.
Preferably, the step（3）In at 58 DEG C, 4h is stirred with 120r/min speed.
Beneficial effects of the present invention are：
Packaging film provided by the invention to the antibiotic rate of staphylococcus aureus and Escherichia coli respectively up to 98.7% and 99.3% and More than, anti-microbial property is outstanding, and tensile strength is not less than 16.8MPa, is less than 7.64 × 10 to vapor air penetrability-11gm-1s- 1Pa-1, show good mechanical property and gas permeability；And by soil bury 5 weeks after packaging film weight-loss ratio up to 45% and more than, tool Standby certain degradation property, can greatly reduce environmental pollution.
Embodiment
With reference to embodiment, the present invention is described in further detail.Following examples are used to illustrate the present invention, but not For limiting the scope of the present invention.
Embodiment 1
Composite antibacterial film is packed for, is prepared by the raw material of following parts by weight：5 parts of Brazil wax, 8 parts of lac resin, trifoliate orange It is real 2 parts of extract, 5 parts of tapioca, 3 parts of string, 2 parts of radix glycyrrhizae sweetener, 0.8 part of rosin, 4 parts of ursol acid benzyl ester, more Double 1.3 parts of the bixin esters of 2.5 parts of fringe Ke palm fibre, lutein, 0.2 part of astaxanthin, 0.7 part of barbaloin, 4.5 parts of citric acid, alkyl 2.3 parts of glucosides, 25 parts of ethyl acetate, 28 parts of water.
The Bitter Orang P.E is prepared by following methods：The dried immature fruit of citron orange is shredded, is added to the water, hydrochloric acid is added and adjusts it PH value is 2, is subsequently placed in 80 DEG C of water-baths, is shaken 50 minutes, filtering, and it is 4 that filtrate is adjusted into its pH value with ammoniacal liquor, is then added Appropriate ethanol, sediment is obtained, most after being dried 3 hours at 80 DEG C, produced.
The string is aloe fibre.
The above-mentioned preparation method for being packed for composite antibacterial film, comprises the following steps：
（1）Brazil wax is added in ethyl acetate, 70 DEG C is heated to, stirring and dissolving, then adds lac resin and the dried immature fruit of citron orange Extract, 30min is stirred with 120r/min speed, mixed liquor M is made；
（2）Tapioca, radix glycyrrhizae sweetener, Pasania cuspidata palm fibre and barbaloin are added to the water, 50 DEG C is heated to and stirs 30min, it is standby With；
（3）By APG and step（1）Obtained mixed liquor M sequentially adds step（2）In, it is uniformly mixed, Ran Houjia Enter rosin, ursol acid benzyl ester, lutein double bixin ester, citric acid, astaxanthin and strings, at 45 DEG C, with 80r/min Speed stirring 2h, mixed liquor N is made；
（4）Emulsifying is carried out to mixed liquor N with ultrasonic homogenizer, then carries out deaeration, then pours into die for molding, Yu Wen 60 DEG C of dry 5h are spent, relative humidity is subsequently placed in dry 10h under 40-50%, 25-35 DEG C of temperature and humidity conditions, takes off film, you can.
Embodiment 2
Composite antibacterial film is packed for, is prepared by the raw material of following parts by weight：12 parts of Brazil wax, 16 parts of lac resin, It is 7 parts of Bitter Orang P.E, 13 parts of tapioca, 7 parts of string, 5 parts of radix glycyrrhizae sweetener, 2 parts of rosin, 7 parts of ursol acid benzyl ester, more Double 4 parts of the bixin esters of 6.2 parts of fringe Ke palm fibre, lutein, 1.1 parts of astaxanthin, 03.2 part of barbaloin, 7 parts of citric acid, APG 5 parts, 40 parts of ethyl acetate, 42 parts of water.
The Bitter Orang P.E is prepared by following methods：The dried immature fruit of citron orange is shredded, is added to the water, hydrochloric acid is added and adjusts it PH value is 2, is subsequently placed in 90 DEG C of water-baths, is shaken 80 minutes, filtering, and it is 4 that filtrate is adjusted into its pH value with ammoniacal liquor, is then added Appropriate ethanol, sediment is obtained, most after being dried 6 hours at 90 DEG C, produced.
The string is pina fibre.
The above-mentioned preparation method for being packed for composite antibacterial film, comprises the following steps：
（1）Brazil wax is added in ethyl acetate, 90 DEG C is heated to, stirring and dissolving, then adds lac resin and the dried immature fruit of citron orange Extract, 60min is stirred with 200r/min speed, mixed liquor M is made；
（2）Tapioca, radix glycyrrhizae sweetener, Pasania cuspidata palm fibre and barbaloin are added to the water, 70 DEG C is heated to and stirs 60min, it is standby With；
（3）By APG and step（1）Obtained mixed liquor M sequentially adds step（2）In, it is uniformly mixed, Ran Houjia Enter rosin, ursol acid benzyl ester, lutein double bixin ester, citric acid, astaxanthin and strings, at 65 DEG C, with 150r/ Min speed stirring 4h, is made mixed liquor N；
（4）Emulsifying is carried out to mixed liquor N with ultrasonic homogenizer, then carries out deaeration, then pours into die for molding, Yu Wen 80 DEG C of dry 10h are spent, relative humidity is subsequently placed in dry 24h under 40-50%, 25-35 DEG C of temperature and humidity conditions, takes off film, you can.
Embodiment 3
Composite antibacterial film is packed for, is prepared by the raw material of following parts by weight：5.5 parts of Brazil wax, lac resin 8.4 Part, 2.8 parts of Bitter Orang P.E, 5.2 parts of tapioca, 3.4 parts of string, 2.8 parts of radix glycyrrhizae sweetener, 1.1 parts of rosin, ursol 4.2 parts of acid benzyl ester, 2.8 parts of Pasania cuspidata palm fibre, double 1.7 parts of the bixin esters of lutein, 0.4 part of astaxanthin, 0.8 part of barbaloin, lemon 4.8 parts of lemon acid, 2.7 parts of APG, 28 parts of ethyl acetate, 30 parts of water.
The Bitter Orang P.E is prepared by following methods：The dried immature fruit of citron orange is shredded, is added to the water, hydrochloric acid is added and adjusts it PH value is 2, is subsequently placed in 85 DEG C of water-baths, is shaken 60 minutes, filtering, and it is 4 that filtrate is adjusted into its pH value with ammoniacal liquor, is then added Appropriate ethanol, sediment is obtained, most after being dried 5 hours at 88 DEG C, produced.
The string is cocoanut fiber and loofah fiber, and both mass ratioes are 3:2.
The above-mentioned preparation method for being packed for composite antibacterial film, comprises the following steps：
（1）Brazil wax is added in ethyl acetate, 85 DEG C is heated to, stirring and dissolving, then adds lac resin and the dried immature fruit of citron orange Extract, 45min is stirred with 180r/min speed, mixed liquor M is made；
（2）Tapioca, radix glycyrrhizae sweetener, Pasania cuspidata palm fibre and barbaloin are added to the water, 60 DEG C is heated to and stirs 45min, it is standby With；
（3）By APG and step（1）Obtained mixed liquor M sequentially adds step（2）In, it is uniformly mixed, Ran Houjia Enter rosin, ursol acid benzyl ester, lutein double bixin ester, citric acid, astaxanthin and strings, at 55 DEG C, with 120r/ Min speed stirring 3h, is made mixed liquor N；
（4）Emulsifying is carried out to mixed liquor N with ultrasonic homogenizer, then carries out deaeration, then pours into die for molding, Yu Wen 75 DEG C of dry 8h are spent, relative humidity is subsequently placed in dry 18h under 40-50%, 25-35 DEG C of temperature and humidity conditions, takes off film, you can.
Embodiment 4
Composite antibacterial film is packed for, is prepared by the raw material of following parts by weight：11.2 parts of Brazil wax, lac resin 15 Part, 6.5 parts of Bitter Orang P.E, 11.5 parts of tapioca, 6.8 parts of string, 4.2 parts of radix glycyrrhizae sweetener, 1.8 parts of rosin, crow 6.3 parts of rope acid benzyl ester, 5.4 parts of Pasania cuspidata palm fibre, double 3.6 parts of the bixin ester of lutein, 0.9 part of astaxanthin, 2.4 parts of barbaloin, 6.4 parts of citric acid, 4.3 parts of APG, 36 parts of ethyl acetate, 38 parts of water.
The Bitter Orang P.E is prepared by following methods：The dried immature fruit of citron orange is shredded, is added to the water, hydrochloric acid is added and adjusts it PH value is 2, is subsequently placed in 85 DEG C of water-baths, is shaken 75 minutes, filtering, and it is 4 that filtrate is adjusted into its pH value with ammoniacal liquor, is then added Appropriate ethanol, sediment is obtained, most after being dried 6 hours at 85 DEG C, produced.
The string is aloe fibre and loofah fiber, and both mass ratioes are 1:1.
The above-mentioned preparation method for being packed for composite antibacterial film, comprises the following steps：
（1）Brazil wax is added in ethyl acetate, 80 DEG C is heated to, stirring and dissolving, then adds lac resin and the dried immature fruit of citron orange Extract, 45min is stirred with 150r/min speed, mixed liquor M is made；
（2）Tapioca, radix glycyrrhizae sweetener, Pasania cuspidata palm fibre and barbaloin are added to the water, 65 DEG C is heated to and stirs 50min, it is standby With；
（3）By APG and step（1）Obtained mixed liquor M sequentially adds step（2）In, it is uniformly mixed, Ran Houjia Enter rosin, ursol acid benzyl ester, lutein double bixin ester, citric acid, astaxanthin and strings, at 50 DEG C, with 100r/ Min speed stirring 4h, is made mixed liquor N；
（4）Emulsifying is carried out to mixed liquor N with ultrasonic homogenizer, then carries out deaeration, then pours into die for molding, Yu Wen 75 DEG C of dry 8h are spent, relative humidity is subsequently placed in dry 18h under 40-50%, 25-35 DEG C of temperature and humidity conditions, takes off film, you can.
Embodiment 5
Composite antibacterial film is packed for, is prepared by the raw material of following parts by weight：6.8 parts of Brazil wax, 12 parts of lac resin, 5.4 parts of Bitter Orang P.E, 7.6 parts of tapioca, 5.5 parts of string, 3.2 parts of radix glycyrrhizae sweetener, 15 parts of rosin, malol benzyl 5.3 parts of ester, 3.7 parts of Pasania cuspidata palm fibre, double 2.4 parts of the bixin esters of lutein, 0.6 part of astaxanthin, 1.6 parts of barbaloin, citric acid 5.2 parts, 3.5 parts of APG, 32 parts of ethyl acetate, 36 parts of water.
The Bitter Orang P.E is prepared by following methods：The dried immature fruit of citron orange is shredded, is added to the water, hydrochloric acid is added and adjusts it PH value is 2, is subsequently placed in 85 DEG C of water-baths, is shaken 80 minutes, filtering, and it is 4 that filtrate is adjusted into its pH value with ammoniacal liquor, is then added Appropriate ethanol, sediment is obtained, most after being dried 5 hours at 90 DEG C, produced.
The string is aloe fibre and loofah fiber, and both mass ratioes are 2:1.
The above-mentioned preparation method for being packed for composite antibacterial film, comprises the following steps：
（1）Brazil wax is added in ethyl acetate, 85 DEG C is heated to, stirring and dissolving, then adds lac resin and the dried immature fruit of citron orange Extract, 45min is stirred with 180r/min speed, mixed liquor M is made；
（2）Tapioca, radix glycyrrhizae sweetener, Pasania cuspidata palm fibre and barbaloin are added to the water, 65 DEG C is heated to and stirs 50min, it is standby With；
（3）By APG and step（1）Obtained mixed liquor M sequentially adds step（2）In, it is uniformly mixed, Ran Houjia Enter rosin, ursol acid benzyl ester, lutein double bixin ester, citric acid, astaxanthin and strings, at 58 DEG C, with 120r/ Min speed stirring 4h, is made mixed liquor N；
（4）Emulsifying is carried out to mixed liquor N with ultrasonic homogenizer, then carries out deaeration, then pours into die for molding, Yu Wen 75 DEG C of dry 8h are spent, relative humidity is subsequently placed in dry 18h under 40-50%, 25-35 DEG C of temperature and humidity conditions, takes off film, you can.
Comparative example 1
The difference of this comparative example and embodiment 1 is, does not add ursol acid benzyl ester and Pasania cuspidata palm fibre.
Comparative example 2
The difference of this comparative example and embodiment 2 is, does not add astaxanthin and barbaloin.
Comparative example 3
The difference of this comparative example and embodiment 1 is, does not add Bitter Orang P.E and the double bixin esters of lutein.
Performance test
According to professional standard, correlated performance test is carried out to the antibacterial film prepared by the various embodiments described above and comparative example, it is tested As a result it is as shown in the table：
Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4 Embodiment 5 Comparative example 1 Comparative example 2 Comparative example 3
Antibiotic rate/%（Staphylococcus aureus） 98.7 99.2 99.3 99.5 99.8 90.6 91.5 91.4
Antibiotic rate/%（Escherichia coli） 99.3 99.5 99.6 99.8 99.9 90.1 92.2 89.5
Tensile strength/MPa 16.8 17.1 17.4 17.6 18.3 15.9 15.8 12.7
Vapor air penetrability/× 10-11gm-1s-1Pa-1 7.64 8.12 6.71 7.25 6.42 10.52 9.17 9.45
Weight-loss ratio/%（After soil buries 5 weeks） 48 45 47 49 51 45 40 41
By above test result, antibiotic rate of the packaging film provided by the invention to staphylococcus aureus and Escherichia coli Respectively up to 98.7% and 99.3% and more than, anti-microbial property is outstanding, and tensile strength is not less than 16.8MPa, to vapor air penetrability Less than 7.64 × 10-11gm-1s-1Pa-1, show good mechanical property and gas permeability；And packaging film after being buried 5 weeks by soil Weight-loss ratio up to 45% and more than, possess certain degradation property, environmental pollution can be greatly reduced.

Claims (8)

1. it is packed for composite antibacterial film, it is characterised in that be prepared by the raw material of following parts by weight：Brazil wax 5-12 Part, lac resin 8-16 parts, Bitter Orang P.E 2-7 parts, tapioca 5-13 parts, string 3-7 parts, radix glycyrrhizae sweetener 2-5 Part, rosin 0.8-2 parts, ursol acid benzyl ester 4-7 parts, Pasania cuspidata palm fibre 2.5-6.2 parts, the double bixin ester 1.3-4 parts of lutein, shrimp Blue or green plain 0.2-1.1 parts, barbaloin 0.7-3.2 parts, citric acid 4.5-7 parts, APG 2.3-5 parts, ethyl acetate 25-40 parts, Water 28-42 parts.
2. it is packed for composite antibacterial film as claimed in claim 1, it is characterised in that the Bitter Orang P.E is by following methods system It is standby to obtain：The dried immature fruit of citron orange is shredded, is added to the water, it is 2 to add hydrochloric acid and adjust its pH value, is subsequently placed in 80-90 DEG C of water-bath, shakes 50-80 minutes, filtering, filtrate is adjusted into its pH value as 4 with ammoniacal liquor, appropriate ethanol is then added, obtains sediment, most after 3-6 hours are dried at 80-90 DEG C, are produced.
3. it is packed for composite antibacterial film as claimed in claim 1, it is characterised in that the string is aloe fibre, spinach At least one of trailing plants fiber, cocoanut fiber and loofah fiber.
4. it is packed for composite antibacterial film as claimed in claim 1, it is characterised in that the string is aloe fibre and silk Melon network fiber, and both mass ratioes are 2:1.
5. it is packed for composite antibacterial film as claimed in claim 1, it is characterised in that by the raw material preparation of following parts by weight ：Brazil wax 5.5-11.2 parts, lac resin 8.4-15 parts, Bitter Orang P.E 2.8-6.5 parts, tapioca 5.2-11.5 It is part, string 3.4-6.8 parts, radix glycyrrhizae sweetener 2.8-4.2 parts, rosin 1.1-1.8 parts, ursol acid benzyl ester 4.2-6.3 parts, more Fringe Ke palm fibre 2.8-5.4 parts, the double bixin ester 1.7-3.6 parts of lutein, astaxanthin 0.4-0.9 parts, barbaloin 0.8-2.4 parts, Citric acid 4.8-6.4 parts, APG 2.7-4.3 parts, ethyl acetate 28-36 parts, water 30-38 parts.
6. the preparation method for being packed for composite antibacterial film as described in claim 1-5 any one, it is characterised in that including with Lower step：
（1）Brazil wax is added in ethyl acetate, 70-90 DEG C is heated to, stirring and dissolving, then adds lac resin and trifoliate orange Real extract, 30-60min is stirred with 120-200r/min speed, mixed liquor M is made；
（2）Tapioca, radix glycyrrhizae sweetener, Pasania cuspidata palm fibre and barbaloin are added to the water, are heated to 50-70 DEG C of stirring 30- 60min, it is standby；
（3）By APG and step（1）Obtained mixed liquor M sequentially adds step（2）In, it is uniformly mixed, Ran Houjia Enter rosin, ursol acid benzyl ester, lutein double bixin ester, citric acid, astaxanthin and strings, at 45-65 DEG C, with 80- 150r/min speed stirring 2-4h, is made mixed liquor N；
（4）Emulsifying is carried out to mixed liquor N with ultrasonic homogenizer, then carries out deaeration, then pours into die for molding, Yu Wen 60-80 DEG C of dry 5-10h is spent, relative humidity is subsequently placed in dry 10-24h under 40-50%, 25-35 DEG C of temperature and humidity conditions, takes off Film, you can.
7. the preparation method as claimed in claim 6 for being packed for composite antibacterial film, it is characterised in that the step（1）In plus Heat stirring and dissolving, then adds lac resin and Bitter Orang P.E to 85 DEG C, and 45min is stirred with 180r/min speed.
8. the preparation method as claimed in claim 6 for being packed for composite antibacterial film, it is characterised in that the step（3）In 58 DEG C, 4h is stirred with 120r/min speed.
CN201711067469.7A 2017-11-03 2017-11-03 It is packed for composite antibacterial film and preparation method thereof Withdrawn CN107760043A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115819876A (en) * 2022-12-20 2023-03-21 福州大学 Degradable high-toughness antibacterial EVA (ethylene-vinyl acetate) foaming material and preparation method thereof
CN115819876B (en) * 2022-12-20 2024-04-26 福州大学 Degradable high-toughness antibacterial EVA (ethylene-vinyl acetate) foaming material and preparation method thereof

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