CN108951273A - A kind of preparation method of the grease proofing paperbased packaging material based on fibroin - Google Patents
A kind of preparation method of the grease proofing paperbased packaging material based on fibroin Download PDFInfo
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- CN108951273A CN108951273A CN201810781723.8A CN201810781723A CN108951273A CN 108951273 A CN108951273 A CN 108951273A CN 201810781723 A CN201810781723 A CN 201810781723A CN 108951273 A CN108951273 A CN 108951273A
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- China
- Prior art keywords
- fibroin
- solution
- grease proofing
- packaging material
- preparation
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/28—Organic non-cellulose fibres from natural polymers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/06—Alcohols; Phenols; Ethers; Aldehydes; Ketones; Acetals; Ketals
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Wrappers (AREA)
Abstract
The preparation method of the present invention provides a kind of grease proofing paperbased packaging material based on fibroin, comprising the following steps: S1. prepares fibroin albumen；S2. fibroin albumen and calcium chloride are dissolved in formic acid, obtain silk fibroin solution, silk fibroin solution is then sprawled into film forming, finally film is soaked in deionized water, removed formic acid, obtain pure fibroin membrane；S3. pure fibroin membrane is dissolved with hexafluoroisopropanol, the concentration for obtaining silk fibroin solution is 0.55-0.75g/mL；S4. collagen is added in deionized water, obtains collagen solution；S5. by step S3 silk fibroin solution and collagen solution mix, be added glycerol, agitation and filtration vacuum defoamation is to get grease proofing paperbased packaging material.Grease proofing material of the invention has nonhazardous, environmentally friendly, and has preferable grease proofing effect.
Description
Technical field
The present invention relates to biological packing materials, and in particular to a kind of system of the grease proofing paperbased packaging material based on fibroin
Preparation Method.
Background technique
In our daily life, often packaging is understood containing substance, such as fried food very much, for packing these substances
Material must have good oil preventing performance, it is grease proofing in order to achieve the purpose that, commonly use some synthesising macromolecule copolymer films,
These thin polymer films are difficult to degrade, can bring environmental pollution, therefore are gradually replaced by environmentally protective paperbased packaging material.Paper
Base packaging material itself is not grease proofing, needs to be coated with oil-repellent.However it has now been found that, popular fluorinated is grease proofing in the market
The raw material of agent has bioaccumulation, has certain injury to human body, therefore currently, various countries are developing nonhazardous, to environment
Friendly oil-proofing agent.
Summary of the invention
Technical problems to be solved: the object of the present invention is to provide a kind of novel grease proofing materials, have nonhazardous, to ring
Border is friendly, and has preferable grease proofing effect.
A kind of technical solution: preparation method of the grease proofing paperbased packaging material based on fibroin, comprising the following steps:
S1. it by silk in the ratio of 1:50-100, puts into 0.5 ‰ sodium carbonate liquor boiled, then degumming 30min is used
60 DEG C of hot water injection 3-4 times repeats above step 2 times, rinses well in 0.5 ‰ sodium carbonate liquor that investment is boiled
It is dried with being placed in 30-40 DEG C of baking oven, obtains fibroin albumen；
S2. fibroin albumen and calcium chloride are dissolved in formic acid, the silk fibroin solution that concentration is 8-20wt% are obtained, then by fibroin
Solution sprawls film forming, and finally film is soaked in deionized water, removes formic acid, obtains pure fibroin membrane；
S3. pure fibroin membrane is dissolved with hexafluoroisopropanol, the concentration for obtaining silk fibroin solution is 0.55-0.75g/mL；
S4. collagen is added in deionized water, ultrasonic wave 1-2h, obtains collagen solution at 40 DEG C；
S5. by step S3 silk fibroin solution and collagen solution 1:1-2 in mass ratio mix, be added glycerol, agitation and filtration vacuum
Deaeration is to get grease proofing paperbased packaging material.
Further, the mass ratio of fibroin and calcium chloride is 3-4:1 in the step S2.
Further, the concentration of formic acid is 90-95% in the step S2.
Further, the concentration of collagen solution is 0.35-0.44g/mL in the step S3.
Further, in the step S5 glycerol additional amount be silk fibroin solution and collagen solution gross mass 3-5%.
The utility model has the advantages that grease proofing material of the invention has good oil preventing performance, and grease proofing material of the invention and fibre
Dimension has good compatibility, and into network of fibers, infiltration increases the binding force between cellulose, simultaneously because of the invention
Oil-proofing agent has good film forming, and paper is enabled to bear bigger mechanical strength；The present invention is prepared for using silk as raw material
It is environmental-friendly, and can satisfy the new material for packing grease proofing requirement, a new direction is provided for grease proofing coating.
Specific embodiment
Embodiment 1
A kind of preparation method of the grease proofing paperbased packaging material based on fibroin, comprising the following steps:
S1. it by silk in the ratio of 1:50, puts into 0.5 ‰ sodium carbonate liquor boiled, degumming 30min, then with 60 DEG C
Hot water injection 3 times, in 0.5 ‰ sodium carbonate liquor that boils of investment, repeat above step 2 times, rinse well with postposition
It is dried in 30-40 DEG C of baking oven, obtains fibroin albumen；
S2. the calcium chloride of 3 times of parts by weight fibroin albumens and 1 times of parts by weight is dissolved in 90% formic acid, obtaining concentration is 8wt%
Silk fibroin solution, silk fibroin solution is then sprawled into film forming, finally film is soaked in deionized water, remove formic acid, obtain pure silk
Plain film；
S3. pure fibroin membrane is dissolved with hexafluoroisopropanol, the concentration for obtaining silk fibroin solution is 0.55g/mL；
S4. collagen is added in deionized water, the ultrasonic wave 1h at 40 DEG C obtains 0.44g/mL collagen solution；
S5. by step S3 silk fibroin solution and collagen solution 1:1 in mass ratio mix, glycerol is added, the additional amount of glycerol is
The 5% of silk fibroin solution and collagen solution gross mass, agitation and filtration vacuum defoamation is to get grease proofing paperbased packaging material.
Embodiment 2
A kind of preparation method of the grease proofing paperbased packaging material based on fibroin, comprising the following steps:
S1. it by silk in the ratio of 1:100, puts into 0.5 ‰ sodium carbonate liquor boiled, degumming 30min, then with 60
DEG C hot water injection 4 times, in 0.5 ‰ sodium carbonate liquor that boils of investment, repeat above step 2 times, after rinsing well
It is placed in 30-40 DEG C of baking oven and dries, obtain fibroin albumen；
S2. the calcium chloride of 4 times of parts by weight fibroin albumens and 1 times of parts by weight is dissolved in 95% formic acid, obtaining concentration is 20wt%
Silk fibroin solution, silk fibroin solution is then sprawled into film forming, finally film is soaked in deionized water, remove formic acid, obtain pure silk
Plain film；
S3. pure fibroin membrane is dissolved with hexafluoroisopropanol, the concentration for obtaining silk fibroin solution is 0.75g/mL；
S4. collagen is added in deionized water, the ultrasonic wave 2h at 40 DEG C obtains 0.35g/mL collagen solution；
S5. by step S3 silk fibroin solution and collagen solution 1:2 in mass ratio mix, glycerol is added, the additional amount of glycerol is
The 3% of silk fibroin solution and collagen solution gross mass, agitation and filtration vacuum defoamation is to get grease proofing paperbased packaging material.
Embodiment 3
A kind of preparation method of the grease proofing paperbased packaging material based on fibroin, comprising the following steps:
S1. it by silk in the ratio of 1:70, puts into 0.5 ‰ sodium carbonate liquor boiled, degumming 30min, then with 60 DEG C
Hot water injection 3 times, in 0.5 ‰ sodium carbonate liquor that boils of investment, repeat above step 2 times, rinse well with postposition
It is dried in 30 DEG C of baking ovens, obtains fibroin albumen；
S2. the calcium chloride of 3 times of parts by weight fibroin albumens and 1 times of parts by weight is dissolved in 90% formic acid, obtaining concentration is 16wt%
Silk fibroin solution, silk fibroin solution is then sprawled into film forming, finally film is soaked in deionized water, remove formic acid, obtain pure silk
Plain film；
S3. pure fibroin membrane is dissolved with hexafluoroisopropanol, the concentration for obtaining silk fibroin solution is 0.6g/mL；
S4. collagen is added in deionized water, the ultrasonic wave 2h at 40 DEG C obtains 0.38g/mL collagen solution；
S5. by step S3 silk fibroin solution and collagen solution 1:1.2 in mass ratio mix, be added glycerol, the additional amount of glycerol
It is the 3.5% of silk fibroin solution and collagen solution gross mass, agitation and filtration vacuum defoamation is to get grease proofing paperbased packaging material.
Embodiment 4
A kind of preparation method of the grease proofing paperbased packaging material based on fibroin, comprising the following steps:
S1. it by silk in the ratio of 1:90, puts into 0.5 ‰ sodium carbonate liquor boiled, degumming 30min, then with 60 DEG C
Hot water injection 4 times, in 0.5 ‰ sodium carbonate liquor that boils of investment, repeat above step 2 times, rinse well with postposition
It is dried in 40 DEG C of baking ovens, obtains fibroin albumen；
S2. the calcium chloride of 4 times of parts by weight fibroin albumens and 1 times of parts by weight is dissolved in 95% formic acid, obtaining concentration is 12wt%
Silk fibroin solution, silk fibroin solution is then sprawled into film forming, finally film is soaked in deionized water, remove formic acid, obtain pure silk
Plain film；
S3. pure fibroin membrane is dissolved with hexafluoroisopropanol, the concentration for obtaining silk fibroin solution is 0.7g/mL；
S4. collagen is added in deionized water, the ultrasonic wave 1h at 40 DEG C obtains 0.42g/mL collagen solution；
S5. by step S3 silk fibroin solution and collagen solution 1:1.8 in mass ratio mix, be added glycerol, the additional amount of glycerol
It is the 4.5% of silk fibroin solution and collagen solution gross mass, agitation and filtration vacuum defoamation is to get grease proofing paperbased packaging material.
Embodiment 5
A kind of preparation method of the grease proofing paperbased packaging material based on fibroin, comprising the following steps:
S1. it by silk in the ratio of 1:80, puts into 0.5 ‰ sodium carbonate liquor boiled, degumming 30min, then with 60 DEG C
Hot water injection 3 times, in 0.5 ‰ sodium carbonate liquor that boils of investment, repeat above step 2 times, rinse well with postposition
It is dried in 38 DEG C of baking ovens, obtains fibroin albumen；
S2. the calcium chloride of 3 times of parts by weight fibroin albumens and 1 times of parts by weight is dissolved in 95% formic acid, obtaining concentration is 12wt%
Silk fibroin solution, silk fibroin solution is then sprawled into film forming, finally film is soaked in deionized water, remove formic acid, obtain pure silk
Plain film；
S3. pure fibroin membrane is dissolved with hexafluoroisopropanol, the concentration for obtaining silk fibroin solution is 0.65g/mL；
S4. collagen is added in deionized water, the ultrasonic wave 1.5h at 40 DEG C obtains 0.4g/mL collagen solution；
S5. by step S3 silk fibroin solution and collagen solution 1:1.5 in mass ratio mix, be added glycerol, the additional amount of glycerol
It is the 4% of silk fibroin solution and collagen solution gross mass, agitation and filtration vacuum defoamation is to get grease proofing paperbased packaging material.
The material prepared through the invention is uniformly coated on to the surface of base paper using spreading rod, then prevents coated
Oiled cardboard is put into 40 ° of baking oven, dry, and temperature is then turned up again to 60 DEG C, is dried to hexafluoroisopropanol volatilization completely, finally
Grease proofing cardboard is placed on normal atmosphere pressure constant temperature and humidity for 24 hours.
Grease proofing grade measures the oil preventing performance of greaseproof using the testing standard TAPPI559cm-12 used in industry,
X method, which is drawn, according to ASTM D3359-02 measures adhesive force
Note: the cross direction tensile strength of base paper is 5.68kN/m, machine direction tensile strength 12.11kN/m, and transverse breakage elongation is
6.12%, longitudinal elongation at break rate 5.14%.
Claims (5)
1. a kind of preparation method of the grease proofing paperbased packaging material based on fibroin, which comprises the following steps:
S1. it by silk in the ratio of 1:50-100, puts into 0.5 ‰ sodium carbonate liquor boiled, then degumming 30min is used
60 DEG C of hot water injection 3-4 times repeats above step 2 times, rinses well in 0.5 ‰ sodium carbonate liquor that investment is boiled
It is dried with being placed in 30-40 DEG C of baking oven, obtains fibroin albumen；
S2. fibroin albumen and calcium chloride are dissolved in formic acid, the silk fibroin solution that concentration is 8-20wt% are obtained, then by fibroin
Solution sprawls film forming, and finally film is soaked in deionized water, removes formic acid, obtains pure fibroin membrane；
S3. pure fibroin membrane is dissolved with hexafluoroisopropanol, the concentration for obtaining silk fibroin solution is 0.55-0.75g/mL；
S4. collagen is added in deionized water, ultrasonic wave 1-2h, obtains collagen solution at 40 DEG C；
S5. by step S3 silk fibroin solution and collagen solution 1:1-2 in mass ratio mix, be added glycerol, agitation and filtration vacuum
Deaeration is to get grease proofing paperbased packaging material.
2. a kind of preparation method of grease proofing paperbased packaging material based on fibroin according to claim 1, feature
Be: the mass ratio of fibroin and calcium chloride is 3-4:1 in the step S2.
3. a kind of preparation method of grease proofing paperbased packaging material based on fibroin according to claim 1, feature
Be: the concentration of formic acid is 90-95% in the step S2.
4. a kind of preparation method of grease proofing paperbased packaging material based on fibroin according to claim 1, feature
Be: the concentration of collagen solution is 0.35-0.44g/mL in the step S3.
5. a kind of preparation method of grease proofing paperbased packaging material based on fibroin according to claim 1, feature
Be: the additional amount of glycerol is the 3-5% of silk fibroin solution and collagen solution gross mass in the step S5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810781723.8A CN108951273A (en) | 2018-07-17 | 2018-07-17 | A kind of preparation method of the grease proofing paperbased packaging material based on fibroin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810781723.8A CN108951273A (en) | 2018-07-17 | 2018-07-17 | A kind of preparation method of the grease proofing paperbased packaging material based on fibroin |
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| CN108951273A true CN108951273A (en) | 2018-12-07 |
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| CN201810781723.8A Pending CN108951273A (en) | 2018-07-17 | 2018-07-17 | A kind of preparation method of the grease proofing paperbased packaging material based on fibroin |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341209A (en) * | 2013-07-08 | 2013-10-09 | 苏州大学 | Silk fibroin nanofiber membrane and preparation method thereof |
| CN105885070A (en) * | 2016-05-04 | 2016-08-24 | 南京师范大学 | Preparation method of regenerated silk fibroin membrane |
| CN107574723A (en) * | 2017-09-14 | 2018-01-12 | 安徽蓝韵包装有限公司 | A kind of grease proofing food wrapper and preparation method thereof |
-
2018
- 2018-07-17 CN CN201810781723.8A patent/CN108951273A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341209A (en) * | 2013-07-08 | 2013-10-09 | 苏州大学 | Silk fibroin nanofiber membrane and preparation method thereof |
| CN105885070A (en) * | 2016-05-04 | 2016-08-24 | 南京师范大学 | Preparation method of regenerated silk fibroin membrane |
| CN107574723A (en) * | 2017-09-14 | 2018-01-12 | 安徽蓝韵包装有限公司 | A kind of grease proofing food wrapper and preparation method thereof |
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Application publication date: 20181207 |