CN110317441A - A kind of preparation method of high-intensity high every property polylactic acid base nano compound film - Google Patents
A kind of preparation method of high-intensity high every property polylactic acid base nano compound film Download PDFInfo
- Publication number
- CN110317441A CN110317441A CN201910560924.XA CN201910560924A CN110317441A CN 110317441 A CN110317441 A CN 110317441A CN 201910560924 A CN201910560924 A CN 201910560924A CN 110317441 A CN110317441 A CN 110317441A
- Authority
- CN
- China
- Prior art keywords
- polylactic acid
- preparation
- compound film
- nanofibrillated cellulose
- acid base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
- C08B15/05—Derivatives containing elements other than carbon, hydrogen, oxygen, halogens or sulfur
-
- 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
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/205—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase
- C08J3/21—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase the polymer being premixed with a liquid phase
- C08J3/215—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase the polymer being premixed with a liquid phase at least one additive being also premixed with a liquid phase
-
- 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
-
- 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
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/08—Cellulose derivatives
-
- 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
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/041—Carbon nanotubes
Abstract
The present invention relates to a kind of high-intensity high every property polylactic acid base nano compound film preparation method.Compound film raw material includes polylactic acid, carbon nanotube, KH-550(silane coupling agent in the present invention), nanofibrillated cellulose and ethyl alcohol, by the solution moulding by casting of the preparation of silane modifier, the silylating reagent of nanofibrillated cellulose and polylactic acid base nano compound film, a kind of high-intensity high is obtained every property polylactic acid base nano compound film.Raw material sources of the present invention are extensive, and preparation process is simple, can effectively save production cost, increase economic efficiency.More importantly, carbon nanotube improves agglomerating effect after the cladding of nanofibrillated cellulose after modified, interface compatibility between three's substance has obtained preferably improving, to improve carbon nanotube and nanofibrillated cellulose to the reinforcing effect of polylactic acid, not only mechanical property is significantly improved polylactic acid base nano compound film, and barrier property is also greatly enhanced.
Description
Technical field
The present invention relates to the preparation fields of laminated film, and in particular to a kind of high-intensity high is multiple every property polylactic acid base nanometer
Close the preparation method of film.
Background technique
Biodegradable polymers one of of the polylactic acid as most development and application values, raw material is mainly derived from nature
The renewable plant resources on boundary, such as the fermentation of cornstarch, beet sugar.Polylactic acid can be hydrolyzed or micro- in the natural environment
Biology is degradable, eventually becomes carbon dioxide and water.Polylactic acid linearly polymerize, almost without pendant reactive group, fracture
Rate elongation≤10%, glass transition temperature (Tg) only has 55 DEG C, therefore is often occurred under pure polylactic acid room temperature by when external force
Brittle fracture, tensile strength is low, impact resistance is poor etc.；And nanoparticle, with its distinctive dimensional effect, higher draw ratio is excellent
The shortcomings that the features such as different mechanical property and heat resistance, can make up polylactic acid well.
It is combined between the carbon atom of carbon nanotube (Carbon Nanotubes, CNTs) with carbon-carbon pi bond, internal diameter is several in zero point
Nanometer has very big draw ratio between tens nanometers.Due to the unique tubular structure of carbon nanotube, there is very big major diameter
Than and specific surface area, have good mechanical property, chemical stability, excellent electric conductivity and thermal conductivity, but just because of it has this
The structure of sample, carbon nanotube are easily reunited.Nanofibrillated cellulose element (NFC) is that filament shape and band-like blending are network-like
Structure, flexibility is good, is prepared by microcrystalline cellulose from a wealth of sources and environmentally protective, and diameter is heat between 50-60nm
With one of the reinforcing filler of very big attraction in plastic substrate material.
Therefore, the present invention prepares polylactic acid/carbon nanotube/nano fibrillating fibre element laminated film, coordinates the property of three
Can, mutual advantage is given full play to, a kind of high-intensitive and type barrier in gradient laminated film has been obtained.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of high-intensity high every property polylactic acid base nano compound film
Preparation method.
The present invention first prepares silane modifier and handles nanofibrillated cellulose, reduces the hydroxyl on its surface, then makes
The dispersion liquid of standby carbon nanotube and nanofibrillated cellulose, finally uses solution blending legal system by base-material of the polylactic acid of dissolution
Standby high-intensity high is every property polylactic acid base nano compound film.Whole operation process is simple and preparation time is shorter, solves well
Interface compatibility problem between the agglomeration traits and solution of carbon nanotube of having determined, to cooperate with the dispersibility improved between three
And film-formation result, increase substantially the barrier property and mechanical property of composite membrane.
For goal of the invention more than realization, the present invention provides a kind of high-intensity highs every property polylactic acid base nano compound film
Preparation method:
Step (1): the preparation of modifying agent.Ethanol solution is prepared, silane coupling agent is added after glacial acetic acid adjusts pH, sonic oscillation
(KH-550), hydrolysis is mixed and obtains modifier solution A.
Step (2): the silylating reagent of nanofibrillated cellulose.Ultrasonic disperse dropwise addition has receiving for 80% ethanol solution
Rice fibrillating fibre element obtains the suspension B of nanofibrillated cellulose；Then, suspension B is mixed with modifier solution A super
Sound dispersion adjusts mixed system pH and is stirred to react 4h, is finally centrifuged repeatedly and washs up to silylating reagent nanometer fibrillating fibre
Plain mixed liquor C.
Step (3): the preparation of biological based coextruded film.Take a certain amount of carbon nanotube that the mixed liquor C of step (2) preparation is added
In, ultrasonic disperse is uniform, is then added to this mixed liquor in the PLA solution of methylene chloride dissolution, magnetic agitation is mixed
Dispersion liquid D is closed, finally pours into mixed liquor D in culture dish, is spontaneously dried at room temperature poly- every property up to a kind of high-intensity high
Lactyl nano compound film.Since the structure of carbon nanotube is allowed to easily reunite, so being added to silicon in the present invention
The modified nanofibrillated cellulose of alkanisation.On the one hand on the other hand the agglomeration that can improve carbon nanotube also enhances multiple
Close thin film strength and barrier property.
Furtherly, it is assumed that the parts by weight of polylactic acid are 100 parts in the laminated film, then nanofibrillated cellulose is
0.5-2.5 parts, carbon nanotube is 0.05 part, and modifying agent is the 10% of nanofibrillated cellulose parts by weight, and silane is even in modifying agent
The volume ratio that connection agent KH550 is mixed with 80wt% ethyl alcohol is 2:3.
Furtherly, the mixed solution system that nanofibrillated cellulose and carbon nanotube are first prepared in step (3), can prevent
Blocking nanotube is reunited.
Furtherly, the average grain diameter for preparing the nanofibrillated cellulose that the laminated film uses is 657.5nm；It is made
The average grain diameter of standby silylating reagent nanofibrillated cellulose is 1475nm；Used carbon nanotube is technical grade multi wall
Carbon nanotube, diameter 8-15nm, length are 30-50 μm.
Furtherly, the ultrasonic time in step (1) is 10min；The preparation ultrasonic time of suspension B is in step (2)
30min, the ultrasonic time of mixed liquor are 10min；First time ultrasonic time is 30min in the step of embodiment (3), and second super
The sound time is 10min；The ultrasonic time of modified Nano fibrillating fibre element is 5-7min in the step of embodiment (4).
Furtherly, laminated film described in step (3), average thickness are 15 ± 3 microns.
Beneficial effects of the present invention:
One, the reproducible nanofibrillated cellulose of green, carbon nanotube have biggish draw ratio, both as enhancing
Phase, polylactic acid are base-material, give full play to the mechanical property advantage of nano particle, play well to the strength character of laminated film
Reinforcing effect.
Secondly, the size of nanofibrillated cellulose be greater than carbon nanotube, and nanofibrillated cellulose in filament shape and
Flexibility is good, can be coated on carbon nano tube surface well, prevents carbon nanotube from reuniting, so that the aperture of film be made to contract
Small, barriering effect significantly increases.
Thirdly, the present invention use solution casting method, operate convenient and experimental period it is short；By controlling ultrasonic time, so that
Nanofibrillated cellulose and carbon nanotube are uniformly dispersed in PLA solution, largely play respective excellent spy
Property；It prepares raw material and derives from nature, be renewable resource, so the composite material green is degradation material, it can be extensive
Applied in various Biofunctional materials and packaging material.
Specific embodiment
Embodiment 1:
(1) preparation of modifying agent.The ethanol solution 40ml that mass percent is 80% is prepared, pH to 4 is adjusted with glacial acetic acid, through super
The KH-550(silane coupling agent of 60ml is slowly dropped to after sound oscillation 10min) in, hydrolysis 4h is mixed, it is molten to obtain modifying agent
Liquid A.
(2) silylating reagent of nanofibrillated cellulose.The ethanol solution that 100ml mass percent is 80% is prepared to add
Enter in the nanofibrillated cellulose for being 1.4% to 100ml mass percent, nanometer fibrillation is made by ultrasonic disperse 5min
The suspension B of cellulose；Then, ultrasonic disperse 10min is carried out again after taking a certain amount of solution A obtained to mix with suspension B, and
PH of mixed is adjusted to 4 or so with glacial acetic acid, is then moved to 65 DEG C of thermostat water bath and is stirred to react 4h, finally uses mixed liquor
Ethyl alcohol carries out centrifugation 6-8 times, obtains the nanofibrillated cellulose of silylating reagent.
(3) carbon nano tube dispersion liquid is prepared.0.01g carbon nanotube is taken to be added to the mixing of silanization nanofibrillated cellulose
In liquid, ultrasonic disperse 30min makes to be uniformly mixed, and then puts to 4h is mixed at room temperature, ultrasonic disperse 10min, obtains again
To carbon nano tube dispersion liquid.
(4) preparation of biological based coextruded film.2g polylactic acid is added in 50ml methylene chloride, and through magnetic at 45 DEG C
Power stirs 1.5h to being completely dissolved；Then, it takes and prepares resulting carbon nano tube dispersion liquid in step (3) and be added to PLA solution
In, magnetic agitation 3h obtains mixed liquor C after ultrasonic disperse 5-7min；Finally mixed liquor C is poured into culture dish, at room temperature
It spontaneously dries up to the high-intensity high with excellent interface compatibility every composite membrane.
Embodiment 2:
(1) preparation of modifying agent.The ethanol solution 40ml that mass percent is 80% is prepared, pH to 4 is adjusted with glacial acetic acid, through super
The KH-550(silane coupling agent of 60ml is slowly dropped to after sound oscillation 10min) in, hydrolysis 4h is mixed, it is molten to obtain modifying agent
Liquid A.
(2) silylating reagent of nanofibrillated cellulose.The ethanol solution that 100ml mass percent is 80% is prepared to add
Enter in the nanofibrillated cellulose for being 1.4% to 100ml mass percent, nanometer fibrillation is made by ultrasonic disperse 5min
The suspension B of cellulose；Then, ultrasonic disperse 10min is carried out again after taking a certain amount of solution A obtained to mix with suspension B, and
PH of mixed is adjusted to 4 or so with glacial acetic acid, is then moved to 65 DEG C of thermostat water bath and is stirred to react 4h, finally uses mixed liquor
Ethyl alcohol carries out centrifugation 6-8 times, obtains the nanofibrillated cellulose of silylating reagent.
(3) carbon nano tube dispersion liquid is prepared.0.01g carbon nanotube is taken to be added to the mixing of silanization nanofibrillated cellulose
In liquid, ultrasonic disperse 30min makes to be uniformly mixed, and then puts to 4h is mixed at room temperature, ultrasonic disperse 10min, obtains again
To carbon nano tube dispersion liquid.
(4) preparation of biological based coextruded film.2g polylactic acid is added in 50ml methylene chloride, and through magnetic at 45 DEG C
Power stirs 1.5h to being completely dissolved；Then, carbon nano tube dispersion liquid obtained in step (3) is taken to be added in PLA solution,
Magnetic agitation 3h obtains mixed liquor C after ultrasonic disperse 5-7min；Finally mixed liquor C is poured into culture dish, at room temperature certainly
So the high-intensity high with excellent interface compatibility is drying to obtain every composite membrane.
Embodiment 3:
(1) preparation of modifying agent.The ethanol solution 40ml that mass percent is 80% is prepared, pH to 4 is adjusted with glacial acetic acid, through super
The KH-550(silane coupling agent of 60ml is slowly dropped to after sound oscillation 10min) in, hydrolysis 4h is mixed, it is molten to obtain modifying agent
Liquid A.
(2) silylating reagent of nanofibrillated cellulose.The ethanol solution that 100ml mass percent is 80% is prepared to add
Enter in the nanofibrillated cellulose for being 1.4% to 100ml mass percent, nanometer fibrillation is made by ultrasonic disperse 5min
The suspension B of cellulose；Then, ultrasonic disperse 10min is carried out again after taking a certain amount of solution A obtained to mix with suspension B, and
PH of mixed is adjusted to 4 or so with glacial acetic acid, is then moved to 65 DEG C of thermostat water bath and is stirred to react 4h, finally uses mixed liquor
Ethyl alcohol carries out centrifugation 6-8 times, obtains the nanofibrillated cellulose of silylating reagent.
(3) carbon nano tube dispersion liquid is prepared.0.01g carbon nanotube is taken to be added to the mixing of silanization nanofibrillated cellulose
In liquid, ultrasonic disperse 30min makes to be uniformly mixed, and then puts to 4h is mixed at room temperature, ultrasonic disperse 10min, obtains again
To carbon nano tube dispersion liquid.
(4) preparation of biological based coextruded film.2g polylactic acid is added in 50ml methylene chloride, and through magnetic at 45 DEG C
Power stirs 1.5h to being completely dissolved；Then, carbon nano tube dispersion liquid obtained in step (3) is taken to be added in PLA solution,
Magnetic agitation 3h obtains mixed liquor C after ultrasonic disperse 5-7min；Finally mixed liquor C is poured into culture dish, at room temperature certainly
So the high-intensity high with excellent interface compatibility is drying to obtain every composite membrane.
Claims (6)
1. a kind of high-intensity high is every the preparation method of property polylactic acid base nano compound film, which is characterized in that including following step
It is rapid:
Step (1): the preparation of modifying agent；
Ethanol solution is prepared, silane coupling agent is added after glacial acetic acid adjusts pH, ultrasonic disperse, hydrolysis is mixed and is modified
Agent solution A；
Step (2): the silylating reagent of nanofibrillated cellulose element；
Nanofibrillated cellulose element as reinforced phase is added in ethyl alcohol, obtains a nanometer fibrillating fibre through ultrasonic disperse
The suspension B of element；Then, it by suspension B and modifier solution A mixing ultrasonic disperse, adjusts mixed system pH and is stirred to react,
Most afterwards through centrifuge washing up to silylating reagent nanofibrillated cellulose mixed liquor C；
Step (3): the preparation of biological based coextruded film；
By the particles of polylactic acid adding into dichloromethane as base-material, at a set temperature through magnetic agitation to being completely dissolved,
For use；Then, it takes a certain amount of carbon nanotube as reinforced phase to be added in mixed liquor C, allows modified Nano fibrillating fibre element packet
Carbon nanotube is covered, is added in PLA solution after ultrasonic disperse is uniform, mixed dispersion liquid D is obtained by magnetic agitation；Finally
Mixed liquor D is poured into culture dish, is spontaneously dried at room temperature nano combined every property polylactic acid base up to a kind of high-intensity high
Film.
2. a kind of high-intensity high according to claim is every the preparation method of property polylactic acid base nano compound film, special
Sign is: assuming that the parts by weight of polylactic acid are 100 parts in the laminated film, then nanofibrillated cellulose element is 0.5-2.5
Part, carbon nanotube is 0.05 part.
3. a kind of high-intensity high according to claim is every the preparation method of property polylactic acid base nano compound film, special
Sign is: the volume ratio of silane coupling agent and ethyl alcohol is 2:3 in step (1) modifying agent, and wherein silane coupling agent selects KH550,
The mass percent of ethyl alcohol is 80%；The parts by weight of added modifier solution are nanofibrillated cellulose element in step (2)
The 10% of parts by weight.
4. a kind of high-intensity high according to claim is every the preparation method of property polylactic acid base nano compound film, special
Sign is: the average grain diameter of nanofibrillated cellulose used in step (2) is 657.5nm；Prepared silanization changes
Property nanofibrillated cellulose average grain diameter be 1475nm；Carbon nanotube used by step (3) is that technical grade multi wall carbon is received
Mitron, diameter 8-15nm, length are 30-50 μm.
5. a kind of high-intensity high according to claim is every the preparation method of property polylactic acid base nano compound film, special
Sign is: the ultrasonic disperse time in step (1) is 10min；The preparation ultrasonic time of suspension B is 5min in step (2), is mixed
The ultrasonic disperse time for closing liquid is 10min；Carbon nanotube and mixed liquor C ultrasonic disperse time are 30min in step (3).
6. a kind of high-intensity high according to claim is every the preparation method of property polylactic acid base nano compound film, special
Sign is: nano compound film prepared by step (3), and average thickness is 15 ± 3 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910560924.XA CN110317441A (en) | 2019-06-26 | 2019-06-26 | A kind of preparation method of high-intensity high every property polylactic acid base nano compound film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910560924.XA CN110317441A (en) | 2019-06-26 | 2019-06-26 | A kind of preparation method of high-intensity high every property polylactic acid base nano compound film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110317441A true CN110317441A (en) | 2019-10-11 |
Family
ID=68120392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910560924.XA Pending CN110317441A (en) | 2019-06-26 | 2019-06-26 | A kind of preparation method of high-intensity high every property polylactic acid base nano compound film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110317441A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112874049A (en) * | 2021-01-18 | 2021-06-01 | 苏州大学 | Jute reinforced polylactic acid based green composite material and preparation method thereof |
| WO2022126212A1 (en) * | 2020-12-17 | 2022-06-23 | Universidade Federal De Minas Gerais - Ufmg | Process for producing paint containing carbon nanomaterials, products and use in monitoring strains, stresses and impact |
| CN115636986A (en) * | 2022-11-10 | 2023-01-24 | 中科院广州化学有限公司 | Nano-cellulose composite filler and preparation method and application thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147355A (en) * | 2013-02-26 | 2013-06-12 | 中南林业科技大学 | Preparation method of biomass nano fiber conductive paper |
| US20160297962A1 (en) * | 2015-04-13 | 2016-10-13 | Api Intellectual Property Holdings, Llc | Methods and additives for improving melt strength in polymer film processing and blow molding |
| CN106049053A (en) * | 2016-05-28 | 2016-10-26 | 东北林业大学 | Modified cellulose nano filament solution and modified waterborne polymer coating thereof |
| CN106750583A (en) * | 2016-09-18 | 2017-05-31 | 南京林业大学 | A kind of NR CNF CNT conductive nano composite materials and its preparation method and application |
| CN108359229A (en) * | 2018-01-09 | 2018-08-03 | 浙江理工大学 | A kind of enhanced polylactic acid acidic group composite material and preparation method |
| CN108864667A (en) * | 2018-07-09 | 2018-11-23 | 浙江理工大学 | A kind of biodegradable laminated film and preparation method thereof of nano-cellulose enhancing |
| CN109486139A (en) * | 2018-11-14 | 2019-03-19 | 江苏省农业科学院 | Environment-friendly toughened nano-cellulose-polylactic acid biodegradation material and preparation method thereof |
-
2019
- 2019-06-26 CN CN201910560924.XA patent/CN110317441A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147355A (en) * | 2013-02-26 | 2013-06-12 | 中南林业科技大学 | Preparation method of biomass nano fiber conductive paper |
| US20160297962A1 (en) * | 2015-04-13 | 2016-10-13 | Api Intellectual Property Holdings, Llc | Methods and additives for improving melt strength in polymer film processing and blow molding |
| CN106049053A (en) * | 2016-05-28 | 2016-10-26 | 东北林业大学 | Modified cellulose nano filament solution and modified waterborne polymer coating thereof |
| CN106750583A (en) * | 2016-09-18 | 2017-05-31 | 南京林业大学 | A kind of NR CNF CNT conductive nano composite materials and its preparation method and application |
| CN108359229A (en) * | 2018-01-09 | 2018-08-03 | 浙江理工大学 | A kind of enhanced polylactic acid acidic group composite material and preparation method |
| CN108864667A (en) * | 2018-07-09 | 2018-11-23 | 浙江理工大学 | A kind of biodegradable laminated film and preparation method thereof of nano-cellulose enhancing |
| CN109486139A (en) * | 2018-11-14 | 2019-03-19 | 江苏省农业科学院 | Environment-friendly toughened nano-cellulose-polylactic acid biodegradation material and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| JIANGCHUN MAO等: "Preparation of nanofibrillated cellulose and application in reinforced PLA/starch nanocomposite film", 《JOURNAL OF POLYMERS AND THE ENVIRONMENT》 * |
| 吴波等: "ＴＥＭＰＯ氧化纤维素纳米纤丝对多壁碳纳米管分散性的影响", 《复合材料学报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022126212A1 (en) * | 2020-12-17 | 2022-06-23 | Universidade Federal De Minas Gerais - Ufmg | Process for producing paint containing carbon nanomaterials, products and use in monitoring strains, stresses and impact |
| CN112874049A (en) * | 2021-01-18 | 2021-06-01 | 苏州大学 | Jute reinforced polylactic acid based green composite material and preparation method thereof |
| CN115636986A (en) * | 2022-11-10 | 2023-01-24 | 中科院广州化学有限公司 | Nano-cellulose composite filler and preparation method and application thereof |
| CN115636986B (en) * | 2022-11-10 | 2024-03-29 | 中科院广州化学有限公司 | Nanocellulose composite filler and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110317441A (en) | A kind of preparation method of high-intensity high every property polylactic acid base nano compound film | |
| CN107043441B (en) | Ascidian Cellulose nanocrystal body/polyalcohol hydrogel and its preparation method and application | |
| Sheng et al. | High-toughness PLA/Bamboo cellulose nanowhiskers bionanocomposite strengthened with silylated ultrafine bamboo-char | |
| CN108864667B (en) | Nano-cellulose-reinforced biodegradable composite film and preparation method thereof | |
| Uddin et al. | Improved dispersion and mechanical properties of hybrid nanocomposites | |
| CN107159070A (en) | Self-repairing microcapsule and preparation method thereof, coating, coating and epoxy resin composite material | |
| CN106007553B (en) | A kind of carbon nanotube/polyvinyl alcohol high tenacity intelligent cement mortar and its preparation | |
| CN106245138B (en) | A kind of preparation method of high recovery stress shape memory complex fiber material | |
| TW201226451A (en) | Hollow organic silane microspheres having rough surface structures and the method for the preparation thereof | |
| Cao et al. | Cellulose nanocrystals-based nanocomposites: fruits of a novel biomass research and teaching platform | |
| Yin et al. | Simultaneous enhancement of toughness, strength and superhydrophilicity of solvent-free microcrystalline cellulose fluids/poly (lactic acid) fibers fabricated via electrospinning approach | |
| CN109864042A (en) | A kind of nano-graphene preparing high thermal conductivity silk freshens food and educates silkworm method and its product | |
| JP3697561B2 (en) | Component gradient composite of organic polymer and metal oxide and method for producing the same | |
| Liu et al. | Simple fabrication of inner chitosan‐coated alginate hollow microfiber with higher stability | |
| Mishnaevsky Jr et al. | Nanocellulose reinforced polymer composites: Computational analysis of structure-mechanical properties relationships | |
| CN106810821A (en) | The high grade of transparency, nanofiber-filled amount high cooperate with the preparation method of enhanced composite | |
| CN108654528A (en) | Magnetic high-molecular nucleocapsid microballoon and its preparation method and application | |
| CN109111581A (en) | A kind of preparation method of high-strength conductive polyvinyl alcohol composite hydrogel | |
| CN108892793A (en) | A kind of preparation method of degradable green high-barrier high grade of transparency nano cellulose composite film | |
| CN106629747A (en) | Hollow bowl-shaped silicon dioxide nanoparticles, preparation method and application thereof | |
| CN108676164A (en) | A kind of preparation method of click chemistry interfacial reaction polymer hybrid hollow microsphere | |
| CN112409167A (en) | Preparation method of calcium citrate whisker | |
| CN108084369A (en) | A kind of preparation method of nano-cellulose base unimolecular micelle | |
| CN115636986B (en) | Nanocellulose composite filler and preparation method and application thereof | |
| CN109735070B (en) | Preparation method of polylactic acid/bamboo particle/bamboo charcoal composite material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191011 |
|
| RJ01 | Rejection of invention patent application after publication |