CN106117611A - A kind of polylactic acid blend modification pulullan polysaccharide grafting pina fibre packaging film and preparation method thereof - Google Patents
A kind of polylactic acid blend modification pulullan polysaccharide grafting pina fibre packaging film and preparation method thereof Download PDFInfo
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- CN106117611A CN106117611A CN201610518834.0A CN201610518834A CN106117611A CN 106117611 A CN106117611 A CN 106117611A CN 201610518834 A CN201610518834 A CN 201610518834A CN 106117611 A CN106117611 A CN 106117611A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/02—Cellulose; Modified cellulose
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- 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
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/36—Explosive disintegration by sudden pressure reduction
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
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- 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
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/02—Cellulose; Modified cellulose
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- 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
- C08K2201/011—Nanostructured additives
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- 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
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- 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
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- 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
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- 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
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- 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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Abstract
The invention discloses a kind of polylactic acid blend modification pulullan polysaccharide grafting pina fibre packaging film, including following parts by weight of component: arghan 120 125, compound cellulase 5.8 6, nano oxidized magnesium particle 2.9 3, citric acid 4.3 4.4, polylactic acid 35 36, pulullan polysaccharide 34 35, silica white 9 10, plants essential oil 45, collagen aqueous solution 25 26, titanate coupling agent 46, zostera marina polyphenol 34, sodium hexameta phosphate 3.5 4, polyester fiber 12 13, appropriate water, appropriate deionized water.The pulullan polysaccharide that the present invention uses polylactic acid blend modified combines nanorize arghan cellulose solution and other compositions and prepares pina fibre element film through ultrasonic assistant emulsifying shearing preparation homogeneous membrane solution, the resistance of water is preferable, good oil tightness, antibacterial effect are preferable, and degradable is free from environmental pollution.
Description
Technical field
The present invention relates to arghan packaging film technical field, particularly relate to a kind of polylactic acid blend modification Pullulan many
Sugar grafting pina fibre packaging film and preparation method thereof.
Background technology
With cellulose as raw material, the different macromolecule member material of processability is at necks such as medical science, biology and food medicine
Territory plays an important role, and has become as the focus of current research.China often produces substantial amounts of Fructus Ananadis comosi per year, and arghan has
The health-care effecies such as antibacterial, smelly eliminating, utilize arghan to prepare macromolecule member material and have huge development prospect.Pineapple leaves is fine
The fiber macromolecular alignment of dimension crystallization song is neat, regular, and the polyhydroxy structure of fiber molecule and strong hydrogen bonding effect make it clean
Cleanliness and the degree of orientation are higher, and chemical reactivity is low, thus cause its application to be restricted." the agriculture in south such as Wei Xiaoyi, Yang Qin
Journal ", 2016,47(1): 101-106 " arghan element film preparation process optimization " utilizes emulsifying cut mode to make pineapple leaves
Cellulose dissolution improves the chemical reactivity of arghan in ionic liquid, it is achieved the preparation of cellulose membrane, specifically does
Method is: be ground into cotton shape with Universalpulverizer after first being dried by arghan element, and alkali processes and acid treatment realizes it respectively
Purification process, is then being placed in together with ionic liquid in mulser, is carrying out shear treatment, acquisition prepare the cellulose of film from
Sub-liquid homogeneous phase solution, is layered on homogeneous phase solution on the carrier scribbling politef afterwards, through casting solution (glycerol, second
Alcohol) etc. soak drying and forming-film；This process technique improves the chemical reaction activity of arghan element, improves the equal of coating solution
Phase, but operate and employ substantial amounts of acidizer and alkali inorganic agent, adds somewhat to pollute, add Fructus Ananadis comosi
Leaf fibre element film preparation cost, the cellulose membrane function singleness simultaneously prepared.Nano-cellulose have high-crystallinity, high intensity,
The excellent properties such as high-specific surface area, environmental friendliness and low cost, also exist substantial amounts of-OH in its molecular structure, with other skies
So macromole is easily formed intermolecular and intramolecular hydrogen bond when being blended, and when being used for making membrane material, can make the formation of intermingling material
Membrane structure more stable.Micro-nano bubble refers to that diameter is between micron bubble (bubble of a diameter of 10-50um in water body)
And the bubble between nano bubble (a diameter of bubble less than 200nm in water body), have big specific surface area, can be at water
In body, the time of staying is long, and micro-nano bubble is when shrinking, it is possible to produce substantial amounts of hydroxyl radical free radical, these substantial amounts of hydroxyls
Free radical can attract the hydrogen bond in arghan element to a certain extent, plays equivalent acidifying alkalization and destroys the effect that hydrogen bond is identical
Really, the nanorize promoting arghan is improved its chemical reaction activity and there is certain facilitation.Pulullan polysaccharide is
The polymer substance of colorless and odorless odorless, has edibility and biodegradability, has good film property, the thin film tool made
There are good gas barrier property and water preventing ability, but containing substantial amounts of hydrophilic radical on pulullan polysaccharide strand, can be with other
Fibrous material combines the fibrous membrane prepared, but these fibrous membranes chance water is instant, limits its application on some packaging films；
The fibrous membrane that arghan based on modified pulullan polysaccharide and high chemical reactivity combines is to improving pineapple leaves
Comprehensive utilization and abundant packaging film kind are significant.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of polylactic acid blend modification pulullan polysaccharide
Grafting pina fibre packaging film and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of polylactic acid blend modification pulullan polysaccharide grafting pina fibre packaging film, including following parts by weight of component: pineapple leaves
Fiber 120-125, compound cellulase 5.8-6, nano oxidized magnesium particle 2.9-3, citric acid 4.3-4.4, polylactic acid 35-36,
Pulullan polysaccharide 34-35, silica white 9-10, plants essential oil 4-5, collagen aqueous solution 25-26, titanate coupling agent 4-6, sea
Grass polyphenol 3-4, sodium hexameta phosphate 3.5-4, polyester fiber 12-13, appropriate water, appropriate deionized water.
A kind of polylactic acid blend modification pulullan polysaccharide grafting pina fibre packaging film preparation method, comprises the following steps:
(1), will arghan dry after become cotton shape by pulverization process 30min in Universalpulverizer, afterwards with citric acid with
And the water mixing and stirring of gross weight 4 times to obtain slurry standby, slurry is heated to 60 DEG C, and is continuously added into compound cellulase
Mix and blend enzymolysis 40min, after 100 DEG C of enzyme denaturing 4min, vacuum filtration is also washed, and obtains purification arghan, by purification Fructus Ananadis comosi
Leaf fibre adds nano oxidized magnesium particle and the deionized water of gross weight 10 times, then at the high pressure homogenize machinery of 700bar
Under reason 30min, 1400W power, strength supersound process 50min, obtains uniform mixed liquor, is using intermittent steam blasting procedure explosion
Process this uniform mixed liquor 5 times, each 10min, obtain nanorize arghan cellulose solution standby；
(2), silica white, plants essential oil are blended in 150 DEG C of heated and stirred 10min, plants essential oil silica white must be loaded, will load
The deionized water mixing of the silica white of plants essential oil, polylactic acid, pulullan polysaccharide and gross weight 0.5 times, stirs 80 DEG C of heating
Mix reaction 20min, obtain polylactic acid blend modification pulullan polysaccharide standby；
(3), by nanorize arghan cellulose solution, polylactic acid blend modification pulullan polysaccharide, collagen aqueous solution, metatitanic acid
Add at 60 DEG C after the deionized water mixing of ester coupling agent, zostera marina polyphenol, sodium hexameta phosphate, polyester fiber and gross weight 3-4 times
Thermal agitation 20min, is then placed in the mulser with intense ultrasonic wave carrying out ultrasonic assistant emulsifying shear treatment 40min, so
After carry out microwave treatment 1min of 350W, obtain homogeneous membrane solution for standby, wherein ultrasonic power 1000W, emulsifying shear rate
15000r/min；
(4), by homogeneous membrane solution with pouring in mould, then deaeration process is carried out through supersound process 15-18min, then at 50-
At 55 DEG C, humidity be 55-60% calorstat in be dried 3-4h, to obtain final product.
The invention have the advantage that
The pulullan polysaccharide that the present invention uses polylactic acid blend modified combines nanorize arghan cellulose solution and other become
Lease making ultrasonic assistant emulsifying is sheared preparation homogeneous membrane solution and is prepared pina fibre element film, and the resistance of water is preferable, oil tightness
Being better than the edible packing membrane of bread and cheese plastic bag and starch based, antibacterial effect is preferable simultaneously, and degradable is free from environmental pollution, real
Having showed the application at packaging film Material Field of pina fibre element and pulullan polysaccharide, the cellulose membrane of preparation is because using nanorize
Pina fibre cellulose solution, has good breathability and spatial structure, by polylactic acid, the silica white of load plants essential oil
Blending and modifying to pulullan polysaccharide, reduces chance water solubility properties, improves film forming ability and stretch-proof energy, gives simultaneously
Membrane material is with excellent anti-microbial property；For the problem that arghan chemical reaction activity is low, have employed enzyme purification, height successively
Nano oxidized magnesium particle additional high pressure homogenizing, strong supersound process and the intermittent steam blasting procedure explosion treatment of activity, it is achieved
The purification of arghan and nanorize, lay a good foundation for preparing high performance arghan film；For coating solution
Homogeneous problem, use strong supersound process coordinate emulsifying shear mode, strong supersound process improves micro-nano gas in coating solution
The content of bubble, helps lend some impetus to the dissolving of each material, improves the homogeneous of membrane material solution.
Detailed description of the invention
A kind of polylactic acid blend modification pulullan polysaccharide grafting pina fibre packaging film, including following parts by weight of component: spinach
Trailing plants leaf fibre 120, compound cellulase 5.8, nano oxidized magnesium particle 2.9, citric acid 4.3, polylactic acid 35, pulullan polysaccharide
34, silica white 9, plants essential oil 4, collagen aqueous solution 25, titanate coupling agent 4, zostera marina polyphenol 3, sodium hexameta phosphate 3.5,
Polyester fiber 12, appropriate water, appropriate deionized water.
A kind of polylactic acid blend modification pulullan polysaccharide grafting pina fibre packaging film preparation method, comprises the following steps:
(1), will arghan dry after become cotton shape by pulverization process 30min in Universalpulverizer, afterwards with citric acid with
And the water mixing and stirring of gross weight 4 times to obtain slurry standby, slurry is heated to 60 DEG C, and is continuously added into compound cellulase
Mix and blend enzymolysis 40min, after 100 DEG C of enzyme denaturing 4min, vacuum filtration is also washed, and obtains purification arghan, by purification Fructus Ananadis comosi
Leaf fibre adds nano oxidized magnesium particle and the deionized water of gross weight 10 times, then at the high pressure homogenize machinery of 700bar
Under reason 30min, 1400W power, strength supersound process 50min, obtains uniform mixed liquor, is using intermittent steam blasting procedure explosion
Process this uniform mixed liquor 5 times, each 10min, obtain nanorize arghan cellulose solution standby；
(2), silica white, plants essential oil are blended in 150 DEG C of heated and stirred 10min, plants essential oil silica white must be loaded, will load
The deionized water mixing of the silica white of plants essential oil, polylactic acid, pulullan polysaccharide and gross weight 0.5 times, stirs 80 DEG C of heating
Mix reaction 20min, obtain polylactic acid blend modification pulullan polysaccharide standby；
(3), by nanorize arghan cellulose solution, polylactic acid blend modification pulullan polysaccharide, collagen aqueous solution, metatitanic acid
60 DEG C of heating after the deionized water mixing of ester coupling agent, zostera marina polyphenol, sodium hexameta phosphate, polyester fiber and gross weight 3 times
Stirring 20min, is then placed in the mulser with intense ultrasonic wave carrying out ultrasonic assistant emulsifying shear treatment 40min, then
Carry out microwave treatment 1min of 350W, obtain homogeneous membrane solution for standby, wherein ultrasonic power 1000W, emulsifying shear rate
15000r/min；
(4), by homogeneous membrane solution with pouring in mould, then deaeration process is carried out through supersound process 15min, then at 50 DEG C
Under, humidity be 55% calorstat in be dried 3h, to obtain final product.
After tested, this packaging film impingement rate is 18.83kJ/m2, and anti-to stretch intensity be 27.8MPa, elongation at break 41.8%,
The OTR oxygen transmission rate of film is reached for 3.58 × 10-5cm3/ (m2 d Pa), and after soil buries 150d, its biological degradation rate reaches 96.2%, aobvious
Excellent biological degradability is shown.
Claims (2)
1. a polylactic acid blend modification pulullan polysaccharide grafting pina fibre packaging film, it is characterised in that include following weight
Part component: arghan 120-125, compound cellulase 5.8-6, nano oxidized magnesium particle 2.9-3, citric acid 4.3-4.4,
Polylactic acid 35-36, pulullan polysaccharide 34-35, silica white 9-10, plants essential oil 4-5, collagen aqueous solution 25-26, titanate esters
Coupling agent 4-6, zostera marina polyphenol 3-4, sodium hexameta phosphate 3.5-4, polyester fiber 12-13, appropriate water, appropriate deionized water.
2. a polylactic acid blend modification pulullan polysaccharide grafting pina fibre packaging film preparation method, it is characterised in that include
Following steps:
(1), will arghan dry after become cotton shape by pulverization process 30min in Universalpulverizer, afterwards with citric acid with
And the water mixing and stirring of gross weight 4 times to obtain slurry standby, slurry is heated to 60 DEG C, and is continuously added into compound cellulase
Mix and blend enzymolysis 40min, after 100 DEG C of enzyme denaturing 4min, vacuum filtration is also washed, and obtains purification arghan, by purification Fructus Ananadis comosi
Leaf fibre adds nano oxidized magnesium particle and the deionized water of gross weight 10 times, then at the high pressure homogenize machinery of 700bar
Under reason 30min, 1400W power, strength supersound process 50min, obtains uniform mixed liquor, is using intermittent steam blasting procedure explosion
Process this uniform mixed liquor 5 times, each 10min, obtain nanorize arghan cellulose solution standby；
(2), silica white, plants essential oil are blended in 150 DEG C of heated and stirred 10min, plants essential oil silica white must be loaded, will load
The deionized water mixing of the silica white of plants essential oil, polylactic acid, pulullan polysaccharide and gross weight 0.5 times, stirs 80 DEG C of heating
Mix reaction 20min, obtain polylactic acid blend modification pulullan polysaccharide standby；
(3), by nanorize arghan cellulose solution, polylactic acid blend modification pulullan polysaccharide, collagen aqueous solution, metatitanic acid
Add at 60 DEG C after the deionized water mixing of ester coupling agent, zostera marina polyphenol, sodium hexameta phosphate, polyester fiber and gross weight 3-4 times
Thermal agitation 20min, is then placed in the mulser with intense ultrasonic wave carrying out ultrasonic assistant emulsifying shear treatment 40min, so
After carry out microwave treatment 1min of 350W, obtain homogeneous membrane solution for standby, wherein ultrasonic power 1000W, emulsifying shear rate
15000r/min；
(4), by homogeneous membrane solution with pouring in mould, then deaeration process is carried out through supersound process 15-18min, then at 50-
At 55 DEG C, humidity be 55-60% calorstat in be dried 3-4h, to obtain final product.
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Cited By (5)
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|---|---|---|---|---|
| CN106633983A (en) * | 2016-10-21 | 2017-05-10 | 浙江农林大学 | Preparation method of nanometer particle/fiber composite material |
| CN108912635A (en) * | 2018-07-31 | 2018-11-30 | 合肥峰腾节能科技有限公司 | A kind of preparation method of insulating protection gloves |
| WO2020055277A1 (en) * | 2018-09-14 | 2020-03-19 | Univerzitet U Beogradu | Biopolymer emulsion for active packaging, uses and method of manufacturing |
| CN113912879A (en) * | 2021-08-20 | 2022-01-11 | 山东亿隆薄膜材料有限责任公司 | Environment-friendly heat shrinkable film |
| CN115928489A (en) * | 2022-03-21 | 2023-04-07 | 湖南翠上环保科技有限公司 | Waterproof and oleophobic environment-friendly coating for paper products and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106633983A (en) * | 2016-10-21 | 2017-05-10 | 浙江农林大学 | Preparation method of nanometer particle/fiber composite material |
| CN108912635A (en) * | 2018-07-31 | 2018-11-30 | 合肥峰腾节能科技有限公司 | A kind of preparation method of insulating protection gloves |
| CN108912635B (en) * | 2018-07-31 | 2020-07-24 | 南通嘉得利安全用品有限公司 | Preparation method of insulating protective gloves |
| WO2020055277A1 (en) * | 2018-09-14 | 2020-03-19 | Univerzitet U Beogradu | Biopolymer emulsion for active packaging, uses and method of manufacturing |
| CN113912879A (en) * | 2021-08-20 | 2022-01-11 | 山东亿隆薄膜材料有限责任公司 | Environment-friendly heat shrinkable film |
| CN115928489A (en) * | 2022-03-21 | 2023-04-07 | 湖南翠上环保科技有限公司 | Waterproof and oleophobic environment-friendly coating for paper products and preparation method thereof |
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Application publication date: 20161116 |