CN106750375A - The method that Pickering emulsions are prepared using modified nanometer cellulose - Google Patents
The method that Pickering emulsions are prepared using modified nanometer cellulose Download PDFInfo
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- CN106750375A CN106750375A CN201710058464.1A CN201710058464A CN106750375A CN 106750375 A CN106750375 A CN 106750375A CN 201710058464 A CN201710058464 A CN 201710058464A CN 106750375 A CN106750375 A CN 106750375A
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- 229920002678 cellulose Polymers 0.000 title claims abstract description 68
- 239000001913 cellulose Substances 0.000 title claims abstract description 68
- 239000000839 emulsion Substances 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 239000006185 dispersion Substances 0.000 claims abstract description 33
- 229920000642 polymer Polymers 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 239000002904 solvent Substances 0.000 claims abstract description 13
- 239000008367 deionised water Substances 0.000 claims abstract description 9
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 9
- 230000001804 emulsifying effect Effects 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 7
- 230000006641 stabilisation Effects 0.000 claims abstract description 6
- 238000011105 stabilization Methods 0.000 claims abstract description 6
- 239000003921 oil Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- -1 poly- N, N- dimethylamino Chemical group 0.000 claims description 8
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 6
- 229920002125 Sokalan® Polymers 0.000 claims description 6
- 239000004584 polyacrylic acid Substances 0.000 claims description 6
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 5
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 5
- 230000002209 hydrophobic effect Effects 0.000 claims description 4
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 3
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- 239000008157 edible vegetable oil Substances 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000004945 emulsification Methods 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 229910052731 fluorine Inorganic materials 0.000 claims 1
- 239000011737 fluorine Substances 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 claims 1
- 238000002242 deionisation method Methods 0.000 description 6
- 239000002105 nanoparticle Substances 0.000 description 6
- 239000003381 stabilizer Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 239000002121 nanofiber Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000012712 reversible addition−fragmentation chain-transfer polymerization Methods 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- 210000000481 breast Anatomy 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229920002101 Chitin Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229910003480 inorganic solid Inorganic materials 0.000 description 1
- 239000002070 nanowire Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
Classifications
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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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/05—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media from solid polymers
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L87/00—Compositions of unspecified macromolecular compounds, obtained otherwise than by polymerisation reactions only involving unsaturated carbon-to-carbon bonds
- C08L87/005—Block or graft polymers not provided for in groups C08L1/00 - C08L85/04
-
- 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
-
- 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
- C08J2387/00—Characterised by the use of unspecified macromolecular compounds, obtained otherwise than by polymerisation reactions only involving unsaturated carbon-to-carbon bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/54—Aqueous solutions or dispersions
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
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Abstract
The method that utilization modified nanometer cellulose disclosed by the invention prepares Pickering emulsions, specifically implements according to following steps：Step 1, take the modified nano-cellulose of amphipathic nature block polymer and be ground into powder, obtain the modified nano-cellulose powder of amphipathic nature block polymer；Step 2, the nano-cellulose powder that the amphipathic nature block polymer obtained through step 1 is modified is scattered in modified nanometer cellulose dispersion liquid is formed in deionized water；Step 3, weigh oil-based solvent and be added in the modified nanometer cellulose dispersion liquid obtained through step 2, the Pickering emulsions of stabilization are formed after mixing and emulsifying.The method that the present invention prepares Pickering emulsions using modified nanometer cellulose, with CNC consumptions are few and the characteristics of low application cost.
Description
Technical field
The invention belongs to material preparation method technical field, and in particular to one kind is prepared using modified nanometer cellulose
The method of Pickering emulsions.
Background technology
Pickering emulsions refer to the emulsion using solid particle substitution conventional surfactant stabilization, Pickering breasts
The property of liquid has very big relation with particle surface wetability, excessively hydrophilic, excessively hydrophobic all to form Pickering breasts
Liquid.Compared with the emulsion of conventional surfactant stabilization, Pickering emulsions have the advantage of its own：1) can significantly drop
The consumption of low emulsifying agent, it is cost-effective；2) toxic action to human body is much smaller than surfactant；3) it is environmentally friendly；4) not
It is vulnerable to the influence of outside environmental elements, stability of emulsion is strong.Therefore protected in cosmetics, food processing, biological medicine and environment
There is important application prospect in the fields such as shield.
At present, it is conventional be inorganic solid particles mostly based on inorganic nano-particle, but inorganic nano-particle use
Serious accumulation problem is not only resulted in, is also all had a great impact to human body and environment.In order to solve this problem, You Jitian
Right nano particle is increasingly paid close attention to as Pickering stabilizers by researchers, wherein, starch, chitin, shitosan
With the direction that the nano-particle of the natural polysaccharide such as nano-cellulose is current research.
Nano-cellulose (CNC) except basic structure and performance with native cellulose, such as：Biological degradability, can hold
Outside continuous reproducibility, the premium properties of nano-particle is also had concurrently, such as：High-purity, larger surface area, Young's modulus higher, height
Crystallinity and high transparency.Using nano-cellulose as enhancing phase, field of compound material is can be widely applied to, material can be improved
Mechanics, optics, calorifics and electric property, as a hot research field.There is substantial amounts of hydroxyl yet with CNC surfaces
Base, hydrophily is extremely strong, when being used as Pickering emulsion stabilizers, it is impossible to effective stable emulsion, it is therefore desirable to carry out table to it
Face is modified, and makes it have certain hydrophobicity.
The content of the invention
It is first it is an object of the invention to provide a kind of method that utilization modified nanometer cellulose prepares Pickering emulsions
Made it have by RAFT polymerization synthesizing amphipathic block copolymers and by its Grafted Nano-scale cellulose it is amphipathic, then with
Modified nano-cellulose prepares Pickering emulsions, the Pickering emulsions prepared as Pickering stabilizers
With CNC consumptions are few and the characteristics of low application cost.
The technical solution adopted in the present invention is that the method that Pickering emulsions are prepared using modified nanometer cellulose is had
Body is implemented according to following steps：
Step 1, take the modified nano-cellulose (MCNC) of amphipathic nature block polymer and be ground into powder, obtain two
The block copolymer-modified nano-cellulose powder of parent's property；
Step 2, by the amphipathic nature block polymer obtained through step 1 be modified nano-cellulose powder be scattered in deionization
Modified nanometer cellulose dispersion liquid is formed in water；
Step 3, weigh oil-based solvent and be added in the modified nanometer cellulose dispersion liquid obtained through step 2, mixing and emulsifying
The Pickering emulsions of stabilization are formed afterwards.
The features of the present invention is also resided in：
In step 1：
Hydrophilic block in amphipathic nature block polymer is polyacrylic acid, polymethylacrylic acid or poly- N, N- dimethylamino
Ethyl ester；Hydrophobic block is polymethyl methacrylate, butyl polyacrylate, polyacrylic acid hexafluoro butyl ester or polymethylacrylic acid
Hexafluoro butyl ester.
Step 2 is specifically implemented according to following steps：
Step 2.1, in mass ratio be 1：25~1000 weigh the amphipathic nature block polymer obtained through step 1 respectively is modified
Nano-cellulose powder and deionized water；
Step 2.2, the amphipathic nature block polymer that will be weighed in step 2.1 modified nano-cellulose powder and deionization
Water mixes, and forms mixed liquor；
Step 2.3, the mixed liquor obtained through step 2.2 is placed in the ultrasonic cell disruptor that power is 20%~50%
Middle dispersion, obtains color in flaxen modified nanometer cellulose dispersion liquid.
Jitter time is in step 2.3：5min~20min.
Step 3 is specifically implemented according to following steps：
Step 3.1, weigh oil-based solvent and be added in the modified nanometer cellulose dispersion liquid obtained through step 2, wherein oil
Property solvent and modified nanometer cellulose dispersion liquid volume ratio be 1：1~9, form mixture；
Step 3.2, the mixture obtained through step 3.1 is placed in the ultrasonic cell disruptor that power is 20%~50%
Middle mixing and emulsifying, the Pickering emulsions stablized.
The pH value range of modified nanometer cellulose dispersion liquid is 1~10.
Oil-based solvent be specially atoleine, normal heptane, toluene, edible oil, methyl methacrylate, butyl acrylate or
Chloroform.
The beneficial effects of the present invention are：
(1) method that the present invention prepares Pickering emulsions using modified nanometer cellulose, first passes through the conjunction of RAFT polymerizations
Made it have into amphipathic nature block polymer and by its Grafted Nano-scale cellulose it is amphipathic, then with modified nanofiber
Element prepares Pickering emulsions as Pickering stabilizers；In preparation process：There is Pickering emulsions CNC to use
The characteristics of amount is less and application cost is low.
(2) in the present invention prepares the method for Pickering emulsions using modified nanometer cellulose, modified Nanowire
Dimension plain (abbreviation MCNC) is keeping its original high-purity, larger surface area, Young's modulus higher, high-crystallinity and height thoroughly
While the performances such as bright property, and with amphipathic, Pickering emulsions can be prepared as Pickering stabilizers.
(3) method that the present invention prepares Pickering emulsions using modified nanometer cellulose, it is to avoid inorganic nano-particle
The harmful effect brought to human body and environment.
Brief description of the drawings
Fig. 1 is that the present invention prepares the modified Nano that the method for Pickering emulsions is prepared using modified nanometer cellulose
The optical microscope photograph of cellulose Pickering emulsions.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
The method that the present invention prepares Pickering emulsions using modified nanometer cellulose, specifically implements according to following steps：
Step 1, take the modified nano-cellulose (MCNC) of amphipathic nature block polymer and be ground into powder, obtain two
The block copolymer-modified nano-cellulose powder of parent's property；
Wherein, the hydrophilic block in amphipathic nature block polymer is polyacrylic acid, polymethylacrylic acid or poly- N, N- bis-
Methylamino ethyl ester；Hydrophobic block is polymethyl methacrylate, butyl polyacrylate, polyacrylic acid hexafluoro butyl ester or poly- methyl
Hexafluorobutyl acrylate；
Step 2, by the amphipathic nature block polymer obtained through step 1 be modified nano-cellulose powder be scattered in deionization
Modified nanometer cellulose dispersion liquid is formed in water, is specifically implemented according to following steps：
Step 2.1, in mass ratio be 1：25~1000 weigh the amphipathic nature block polymer obtained through step 1 respectively is modified
Nano-cellulose powder and deionized water；
Step 2.2, the amphipathic nature block polymer that will be weighed in step 2.1 modified nano-cellulose powder and deionization
Water mixes, and forms mixed liquor；
Step 2.3, the mixed liquor obtained through step 2.2 is placed in the ultrasonic cell disruptor that power is 20%~50%
Middle dispersion 5min~20min, obtains color in flaxen modified nanometer cellulose dispersion liquid.
Step 3, weigh oil-based solvent and be added in the modified nanometer cellulose dispersion liquid obtained through step 2, mixing and emulsifying
The Pickering emulsions of stabilization are formed afterwards, are specifically implemented according to following steps：
Step 3.1, weigh oil-based solvent and be added in the modified nanometer cellulose dispersion liquid obtained through step 2, wherein oil
Property solvent and modified nanometer cellulose dispersion liquid volume ratio be 1：1~9, form mixture；
Wherein, the pH value range of modified nanometer cellulose dispersion liquid is 1~10；
Oil-based solvent is in a liquid state in the case where emulsion prepares residing temperature, and water insoluble oil phase substance；Oil-based solvent is specific
It is atoleine, normal heptane, toluene, edible oil, methyl methacrylate, butyl acrylate or chloroform.
Step 3.2, the mixture obtained through step 3.1 is placed in the ultrasonic cell disruptor that power is 20%~50%
Middle mixing and emulsifying, the Pickering emulsions stablized.
Embodiment 1
Take the modified nano-cellulose (MCNC) of amphipathic nature block polymer and be ground into powder, obtain amphipathic embedding
The copolymer-modified nano-cellulose powder of section；
In mass ratio it is 1：1000 weigh amphipathic nature block polymer modified nano-cellulose powder and deionization respectively
Water；Nano-cellulose powder and deionized water mixing that the amphipathic nature block polymer that will be weighed is modified, form mixed liquor；Will be mixed
Close liquid and be placed in the ultrasonic cell disruptor that power is 20% and disperse 5min, obtain color in flaxen modified nano fiber
Plain dispersion liquid；
Weigh atoleine to be added in modified nanometer cellulose dispersion liquid, wherein atoleine and modified nanometer cellulose
The volume ratio of dispersion liquid is 1：9, form mixture；Wherein, the pH value range of modified nanometer cellulose dispersion liquid is 1；To obtain
Mixture be placed in mixing and emulsifying in the ultrasonic cell disruptor that power is 20%, the Pickering emulsions stablized.
Embodiment 2
Take the modified nano-cellulose (MCNC) of amphipathic nature block polymer and be ground into powder, obtain amphipathic embedding
The copolymer-modified nano-cellulose powder of section；
In mass ratio it is 1：100 weigh amphipathic nature block polymer modified nano-cellulose powder and deionization respectively
Water；Nano-cellulose powder and deionized water mixing that the amphipathic nature block polymer that will be weighed is modified, form mixed liquor；Will be mixed
Close liquid and be placed in the ultrasonic cell disruptor that power is 30% and disperse 10min, obtain color fine in flaxen modified Nano
The plain dispersion liquid of dimension；
Weigh normal heptane to be added in modified nanometer cellulose dispersion liquid, wherein normal heptane disperses with modified nanometer cellulose
The volume ratio of liquid is 1：7, form mixture；Wherein, the pH value range of modified nanometer cellulose dispersion liquid is 7；It is mixed by what is obtained
Compound is placed in mixing and emulsifying in the ultrasonic cell disruptor that power is 30%, the Pickering emulsions stablized.
Embodiment 3
Take the modified nano-cellulose (MCNC) of amphipathic nature block polymer and be ground into powder, obtain amphipathic embedding
The copolymer-modified nano-cellulose powder of section；
In mass ratio it is 1：25 weigh the modified nano-cellulose powder of amphipathic nature block polymer and deionized water respectively；
Nano-cellulose powder and deionized water mixing that the amphipathic nature block polymer that will be weighed is modified, form mixed liquor；Will mixing
Liquid is placed in the ultrasonic cell disruptor that power is 30% and disperses 20min, obtains color in flaxen modified nano fiber
Plain dispersion liquid；
Methyl methacrylate is weighed to be added in modified nanometer cellulose dispersion liquid, wherein methyl methacrylate with change
Property nano-cellulose dispersion liquid volume ratio be 1：1, form mixture；Wherein, the pH value model of modified nanometer cellulose dispersion liquid
Enclose is 9；The mixture that will be obtained is placed in mixing and emulsifying in the ultrasonic cell disruptor that power is 40%, is stablized
Pickering emulsions.
The method that the present invention prepares Pickering emulsions using modified nanometer cellulose, first passes through the synthesis of RAFT polymerizations
Amphipathic nature block polymer and its Grafted Nano-scale cellulose is made it have it is amphipathic, then with modified nano-cellulose
Pickering emulsions are prepared as Pickering stabilizers, as shown in figure 1, the emulsion droplet prepared a diameter of 10 μm~50
μm.The method that the present invention prepares Pickering emulsions using modified nanometer cellulose is few with CNC consumptions and application cost is low
The characteristics of,
The method that the present invention prepares Pickering emulsions using modified nanometer cellulose, belongs to new material and biotechnology
Field, obtained emulsion is deposited at room temperature does not occur obvious demulsifying phenomenon for 3 months.
Claims (7)
1. the method for preparing Pickering emulsions using modified nanometer cellulose, it is characterised in that specifically according to following steps reality
Apply：
Step 1, take the modified nano-cellulose (MCNC) of amphipathic nature block polymer and be ground into powder, obtain amphipathic
Block copolymer-modified nano-cellulose powder；
Step 2, by the amphipathic nature block polymer obtained through step 1 be modified nano-cellulose powder be scattered in deionized water
Form modified nanometer cellulose dispersion liquid；
Step 3, weigh oil-based solvent and be added in the modified nanometer cellulose dispersion liquid obtained through step 2, shape after mixing and emulsifying
Into the Pickering emulsions of stabilization.
2. the method that utilization modified nanometer cellulose according to claim 1 prepares Pickering emulsions, its feature exists
In in the step 1：
Hydrophilic block in amphipathic nature block polymer is polyacrylic acid, polymethylacrylic acid or poly- N, N- dimethylamino second
Ester；Hydrophobic block is polymethyl methacrylate, butyl polyacrylate, polyacrylic acid hexafluoro butyl ester or polymethylacrylic acid six
Fluorine butyl ester.
3. the method that utilization modified nanometer cellulose according to claim 1 prepares Pickering emulsions, its feature exists
In the step 2 is specifically implemented according to following steps：
Step 2.1, in mass ratio be 1：25~1000 weigh that the amphipathic nature block polymer obtained through step 1 is modified to be received respectively
Rice cellulose powder and deionized water；
The modified nano-cellulose powder of step 2.2, the amphipathic nature block polymer that will be weighed in step 2.1 and deionized water are mixed
Close, form mixed liquor；
Step 2.3, the mixed liquor obtained through step 2.2 is placed in the ultrasonic cell disruptor that power is 20%~50% point
Dissipate, obtain color in flaxen modified nanometer cellulose dispersion liquid.
4. the method that utilization modified nanometer cellulose according to claim 3 prepares Pickering emulsions, its feature exists
In jitter time is in the step 2.3：5min~20min.
5. the method that utilization modified nanometer cellulose according to claim 1 prepares Pickering emulsions, its feature exists
In the step 3 is specifically implemented according to following steps：
Step 3.1, weigh oil-based solvent and be added in the modified nanometer cellulose dispersion liquid obtained through step 2, its is medium oil molten
Agent is 1 with the volume ratio of modified nanometer cellulose dispersion liquid：1~9, form mixture；
Step 3.2, by the mixture obtained through step 3.1 be placed in the ultrasonic cell disruptor that power is 20%~50% mix
Close emulsification, the Pickering emulsions stablized.
6. the method for preparing Pickering emulsions using modified nanometer cellulose according to claim 1 or 5, its feature
It is that the pH value range of the modified nanometer cellulose dispersion liquid is 1~10.
7. the method for preparing Pickering emulsions using modified nanometer cellulose according to claim 1 or 5, its feature
It is that the oil-based solvent is specially atoleine, normal heptane, toluene, edible oil, methyl methacrylate, butyl acrylate
Or chloroform.
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|---|---|---|---|---|
| CN107365417A (en) * | 2017-07-27 | 2017-11-21 | 中国林业科学研究院林产化学工业研究所 | Stable Pickering emulsions of a kind of castor oil modified cellulose and preparation method thereof |
| CN108003272A (en) * | 2017-12-29 | 2018-05-08 | 陕西科技大学 | The preparation method of nano-cellulose/fluorine-containing polyacrylate soap-free emulsion |
| CN108948376A (en) * | 2018-08-22 | 2018-12-07 | 广西大学 | A kind of preparation method of light-cured type nano-cellulose/AESO lotion |
| CN109135303A (en) * | 2018-08-22 | 2019-01-04 | 广西大学 | A kind of preparation method of nano-cellulose enhancing soybean oil base foamed plastics |
| CN110684147A (en) * | 2019-10-18 | 2020-01-14 | 陕西科技大学 | Preparation method of photoresponse cellulose nanocrystalline/fluorine-containing polyacrylate self-repairing material |
| CN112646198A (en) * | 2020-12-04 | 2021-04-13 | 华南理工大学 | Preparation and application of cellulose nanowhisker stable Pickering emulsion for hair care |
| CN113136194A (en) * | 2021-04-26 | 2021-07-20 | 中国石油大学(华东) | Emulsion based on nanocellulose and preparation method and application thereof |
| CN113185720A (en) * | 2021-04-29 | 2021-07-30 | 陕西科技大学 | Modified cellulose stable oil-in-oil Pickering emulsion and preparation method thereof |
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| CN113667140A (en) * | 2021-09-06 | 2021-11-19 | 陕西科技大学 | Degradable high-molecular emulsion, preparation method thereof and application thereof in preparation of composite paper |
| CN114007572A (en) * | 2019-06-06 | 2022-02-01 | 凸版印刷株式会社 | Composite particle and method for producing same, personal care product, particle for personal care and method for producing same, personal care product, and composition for personal care |
| CN115678162A (en) * | 2022-11-01 | 2023-02-03 | 吉林大学 | Preparation method of cellulose nanofiber/polypropylene composite material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102309943A (en) * | 2010-07-02 | 2012-01-11 | 天津科技大学 | Method for preparing Pickering emulsion by using bacterial cellulose |
| CN102553470A (en) * | 2011-11-10 | 2012-07-11 | 海南光宇生物科技有限公司 | Biological cellulose micro powder and application thereof |
| CN106117563A (en) * | 2016-07-14 | 2016-11-16 | 陕西科技大学 | The method of fluorine-containing amphipathic nature block polymer modified nanometer cellulose |
-
2017
- 2017-01-23 CN CN201710058464.1A patent/CN106750375B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102309943A (en) * | 2010-07-02 | 2012-01-11 | 天津科技大学 | Method for preparing Pickering emulsion by using bacterial cellulose |
| CN102553470A (en) * | 2011-11-10 | 2012-07-11 | 海南光宇生物科技有限公司 | Biological cellulose micro powder and application thereof |
| CN106117563A (en) * | 2016-07-14 | 2016-11-16 | 陕西科技大学 | The method of fluorine-containing amphipathic nature block polymer modified nanometer cellulose |
Non-Patent Citations (1)
| Title |
|---|
| 张修强等: "RAFT及点击化学结合制备双敏感型纳米纤维素接枝共聚物及其性能研究", 《河南科学》 * |
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| CN107365417B (en) * | 2017-07-27 | 2020-07-14 | 中国林业科学研究院林产化学工业研究所 | Stable Pickering emulsion prepared from castor oil modified cellulose and preparation method of stable Pickering emulsion |
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| CN113136194A (en) * | 2021-04-26 | 2021-07-20 | 中国石油大学(华东) | Emulsion based on nanocellulose and preparation method and application thereof |
| CN113185720A (en) * | 2021-04-29 | 2021-07-30 | 陕西科技大学 | Modified cellulose stable oil-in-oil Pickering emulsion and preparation method thereof |
| CN113201150A (en) * | 2021-04-29 | 2021-08-03 | 陕西科技大学 | Preparation method of photoresponse Pickering emulsion |
| CN113185720B (en) * | 2021-04-29 | 2022-11-29 | 陕西科技大学 | Modified cellulose stable oil-in-oil Pickering emulsion and preparation method thereof |
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| CN115678162A (en) * | 2022-11-01 | 2023-02-03 | 吉林大学 | Preparation method of cellulose nanofiber/polypropylene composite material |
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