CN107236318A - A kind of degradable bamboo is nanocomposite moulded - Google Patents
A kind of degradable bamboo is nanocomposite moulded Download PDFInfo
- Publication number
- CN107236318A CN107236318A CN201710507183.XA CN201710507183A CN107236318A CN 107236318 A CN107236318 A CN 107236318A CN 201710507183 A CN201710507183 A CN 201710507183A CN 107236318 A CN107236318 A CN 107236318A
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- China
- Prior art keywords
- bamboo
- parts
- degradable
- nanocomposite
- moulded
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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
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Abstract
The invention discloses a kind of degradable bamboo is nanocomposite moulded, including following parts by weight of component：40~60 parts of degradation plastic, 30~50 parts of bamboo fibre, 5~10 parts of nano zine oxide, 10~20 parts of nano imvite, 5~10 parts of glycerine, 3~5 parts of coupling agent, 0.5~1.5 part of antioxidant.A kind of degradable bamboo of the present invention is nanocomposite moulded, it is used by the selection of raw material, on the one hand there is 100% degradation rate, on the other hand bamboo fibre surface and empty structure are modified by nano-particle and using the synergy of nano-particle and bamboo fibre, improve it with bamboo fibre interface compatibility, improve its melt flow rate (MFR)；Finally, it passes through the uses of the Starch Based Biodegradable Plastics containing bamboo powder, the compatibility of bamboo fibre and matrix resin is further increased, so as to promote the raising of melt flow rate (MFR) and the dispersing uniformity of bamboo fibre, the combination property of bamboo-plastic composite material is improved.
Description
Technical field
The present invention relates to degradation plastic technical field, more particularly to a kind of degradable bamboo is nanocomposite moulded.
Background technology
China possesses abundant bamboo resource, bamboo have the advantages that the speed of growth be exceedingly fast, easily become a useful person, intensity it is high.For exploitation
Bamboo resource, in recent years bamboo-plastic composite material are developed rapidly.So-called bamboo-plastic composite material is with bamboo powder or bamboo fibre and modeling
Expect for primary raw material, the advanced composite material (ACM) fully kneaded in the molten state.Bamboo-plastic composite material has natural bamboo
Aesthetic feeling, corrosion-resistant, damage by worms, good stability of the dimension is colour-fast, it is easy to cuts, drill, and makes full use of nature discarded object, favorably
The advantages of environmental protection.Bamboo-plastic composite material be widely used in construct platform, railing, pavement, mark time, outdoor desk-chair, flower stand, Shu Chi
Deng outdoor building gardens component, it can also be used to the numerous areas such as indoor decoration, packaging, conveying tray.
Existing bamboo-plastic composite material is mostly using plastic materials such as polypropylene, polyethylene, and its degradation property is poor, and bamboo fibre
Interfacial combined function between plastics is poor, and it is low that bamboo-plastic composite material has a raw material melt flow rate in preparation process, bamboo
Fiber distributing homogeneity is poor, and product be present.
The content of the invention
The present invention solves the technical problem of providing, a kind of degradable bamboo is nanocomposite moulded, can solve the problem that existing
The existing weak point that bamboo-plastic composite material is present.
In order to solve the above technical problems, one aspect of the present invention is：A kind of degradable bamboo modeling nanometer is provided
Composite, including following parts by weight of component：40~60 parts of degradation plastic, 30~50 parts of bamboo fibre, nano zine oxide 5~10
Part, 10~20 parts of nano imvite, 5~10 parts of glycerine, 3~5 parts of coupling agent, 0.5~1.5 part of antioxidant.
In a preferred embodiment of the present invention, it is 3 that the degradation plastic particle, which includes mass ratio,：2 PLA and
Starch Based Biodegradable Plastics.
In a preferred embodiment of the present invention, the preparation method of the Starch Based Biodegradable Plastics is：
（1）Plant amylum is aoxidized：By being added in plant amylum, the sodium metaperiodate that excessive mass concentration is 0.2~0.3g/ml is molten
Liquid, 5~6h of mechanical agitation, is then filtered at room temperature, and by filter cake priority distilled water and washes of absolute alcohol to without iodate
Ion；
（2）Gelatinization and batch mixing：By step（1）Starch after middle oxidation is dissolved in deionized water, is gelatinized at a certain temperature
Reaction, then successively adds a certain amount of polyvinyl alcohol, glycerine and bamboo powder in the state of stirring, is thoroughly mixed thereto
Uniformly；
（3）Drying and moulding：By step（2）In mixture to be dried at 50~80 DEG C to moisture content be 30~40%, then constant humidity
Save backup.
In a preferred embodiment of the present invention, the step（2）In, the temperature of the gelatinization reaction is 85~90 DEG C,
Time is 30~60min；The addition of the polyvinyl alcohol, glycerine and bamboo powder is respectively step（1）Middle plant amylum consumption
20%th, 10% and 5%.
In a preferred embodiment of the present invention, the mesh number of the bamboo powder is 300~500 mesh.
In a preferred embodiment of the present invention, a diameter of 30~300 μm of the bamboo fibre, its draw ratio is more than or equal to
500。
The beneficial effects of the invention are as follows：A kind of degradable bamboo of the present invention is nanocomposite moulded, and it passes through the selection of raw material
Use, on the one hand with 100% degradation rate, bamboo fibre surface and empty structure are on the other hand modified by nano-particle simultaneously
And using the synergy of nano-particle and bamboo fibre, improve it with bamboo fibre interface compatibility, improve its melt flow rate (MFR)；
Finally, it further increases bamboo fibre and matrix resin by the use of the Starch Based Biodegradable Plastics containing bamboo powder
Compatibility, so as to promote the raising of melt flow rate (MFR) and the dispersing uniformity of bamboo fibre, improve bamboo-plastic composite material
Combination property.
Embodiment
Presently preferred embodiments of the present invention is described in detail below so that advantages and features of the invention can be easier to by
It will be appreciated by those skilled in the art that apparent clearly being defined so as to be made to protection scope of the present invention.
The embodiment of the present invention includes：
Embodiment 1
A kind of degradable bamboo is nanocomposite moulded, including following parts by weight of component：40 parts of degradation plastic, a diameter of 30~
300 μm, bamboo fibre 30 part of the draw ratio more than or equal to 500,5 parts of nano zine oxide, 10 parts of nano imvite, 5 parts of glycerine, coupling
3 parts of agent, 0.5 part of antioxidant.Wherein, it is 3 that the degradation plastic particle, which includes mass ratio,：2 PLA and starch-based bio
Degradation plastic.The preparation method of the Starch Based Biodegradable Plastics is as follows：
（1）Plant amylum is aoxidized：20~30g sodium iodates are taken to be dissolved in 25 DEG C, 1000ml deionized water, obtaining mass concentration is
0.2~0.3g/ml sodium periodate solution；Then the excessive sodium periodate solution prepared is added into plant amylum
In, at room temperature with 100~300r/min rotating speed 5~6h of mechanical agitation, then filter, and by filter cake priority distilled water and
Washes of absolute alcohol prevents filtration cakes torrefaction extremely without iodate ion；
（2）Gelatinization and batch mixing：By step（1）Starch after middle oxidation is dissolved in deionized water, is entered at a temperature of 85~90 DEG C
Row gelatinization 30~60min of reaction, then successively adds and accounts for step thereto in the state of stirring（1）Middle plant amylum consumption
20%th, the bamboo powder of 10% and 5% polyvinyl alcohol, glycerine and 300~500 mesh, is thoroughly mixed uniform；Wherein, bamboo powder is with even
Join agent and carry out coupling processing；
（3）Drying and moulding：By step（2）In mixture to be dried at 50~80 DEG C to moisture content be 30~40%, then constant humidity
Save backup.
Embodiment 2
A kind of degradable bamboo is nanocomposite moulded, including following parts by weight of component：60 parts of degradation plastic, a diameter of 30~
300 μm, bamboo fibre 50 part of the draw ratio more than or equal to 500,10 parts of nano zine oxide, 20 parts of nano imvite, 10 parts of glycerine, idol
Join 5 parts of agent, 1.5 parts of antioxidant.Wherein, it is 3 that the degradation plastic particle, which includes mass ratio,：2 PLA and starch base life
Biodegradable plastics.The preparation method be the same as Example 1 of the Starch Based Biodegradable Plastics.
The nanocomposite moulded degradation rate of above-mentioned bamboo is 100%.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (6)
1. a kind of degradable bamboo is nanocomposite moulded, it is characterised in that including following parts by weight of component：Degradation plastic 40~
60 parts, 30~50 parts of bamboo fibre, 5~10 parts of nano zine oxide, 10~20 parts of nano imvite, 5~10 parts of glycerine, coupling agent 3
~5 parts, 0.5~1.5 part of antioxidant.
2. degradable bamboo according to claim 1 is nanocomposite moulded, it is characterised in that the degradation plastic particle
It is 3 including mass ratio：2 PLA and Starch Based Biodegradable Plastics.
3. degradable bamboo according to claim 2 is nanocomposite moulded, it is characterised in that the starch-based bio can drop
Solution plastics preparation method be：
（1）Plant amylum is aoxidized：By being added in plant amylum, the sodium metaperiodate that excessive mass concentration is 0.2~0.3g/ml is molten
Liquid, 5~6h of mechanical agitation, is then filtered at room temperature, and by filter cake priority distilled water and washes of absolute alcohol to without iodate
Ion；
（2）Gelatinization and batch mixing：By step（1）Starch after middle oxidation is dissolved in deionized water, is gelatinized at a certain temperature
Reaction, then successively adds a certain amount of polyvinyl alcohol, glycerine and bamboo powder in the state of stirring, is thoroughly mixed thereto
Uniformly；
（3）Drying and moulding：By step（2）In mixture to be dried at 50~80 DEG C to moisture content be 30~40%, then constant humidity
Save backup.
4. degradable bamboo according to claim 3 is nanocomposite moulded, it is characterised in that the step（2）In, it is described
The temperature of gelatinization reaction is 85~90 DEG C, and the time is 30~60min；The addition difference of the polyvinyl alcohol, glycerine and bamboo powder
For step（1）20%, 10% and the 5% of middle plant amylum consumption.
5. the degradable bamboo according to claim 3 or 4 is nanocomposite moulded, it is characterised in that the mesh number of the bamboo powder
For 300~500 mesh.
6. degradable bamboo according to claim 1 is nanocomposite moulded, it is characterised in that the bamboo fibre it is a diameter of
30~300 μm, its draw ratio is more than or equal to 500.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710507183.XA CN107236318A (en) | 2017-06-28 | 2017-06-28 | A kind of degradable bamboo is nanocomposite moulded |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710507183.XA CN107236318A (en) | 2017-06-28 | 2017-06-28 | A kind of degradable bamboo is nanocomposite moulded |
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| Publication Number | Publication Date |
|---|---|
| CN107236318A true CN107236318A (en) | 2017-10-10 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710507183.XA Pending CN107236318A (en) | 2017-06-28 | 2017-06-28 | A kind of degradable bamboo is nanocomposite moulded |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110343397A (en) * | 2019-07-02 | 2019-10-18 | 汕头市雷氏塑化科技有限公司 | A kind of bamboo powder full-biodegradable material and preparation method thereof |
| CN112874096A (en) * | 2021-02-03 | 2021-06-01 | 洛阳晟鹏新材料科技有限公司 | PVDC co-extrusion film for sealing inner gasket of bottle cap |
| CN116178799A (en) * | 2022-12-14 | 2023-05-30 | 衢州学院 | Bamboo fiber molding reinforced material and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101914293A (en) * | 2010-08-17 | 2010-12-15 | 华中农业大学 | Bamboo fiber-based full-biodegradable material and preparation method |
| CN103540068A (en) * | 2013-09-29 | 2014-01-29 | 桐城市福润包装材料有限公司 | Production process of PVA (polyvinyl alcohol)-based composite packaging material |
| CN105199412A (en) * | 2015-09-09 | 2015-12-30 | 青岛鑫铁成汽车配件有限公司 | Interpenetrating polymer network enhanced fully-degradable biomass matrix composite material and preparation method thereof |
| CN105566823A (en) * | 2014-10-15 | 2016-05-11 | 西安艾菲尔德复合材料科技有限公司 | Starch-modified polyvinylalcohol high-resistance degradable thin film and preparing method |
-
2017
- 2017-06-28 CN CN201710507183.XA patent/CN107236318A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101914293A (en) * | 2010-08-17 | 2010-12-15 | 华中农业大学 | Bamboo fiber-based full-biodegradable material and preparation method |
| CN103540068A (en) * | 2013-09-29 | 2014-01-29 | 桐城市福润包装材料有限公司 | Production process of PVA (polyvinyl alcohol)-based composite packaging material |
| CN105566823A (en) * | 2014-10-15 | 2016-05-11 | 西安艾菲尔德复合材料科技有限公司 | Starch-modified polyvinylalcohol high-resistance degradable thin film and preparing method |
| CN105199412A (en) * | 2015-09-09 | 2015-12-30 | 青岛鑫铁成汽车配件有限公司 | Interpenetrating polymer network enhanced fully-degradable biomass matrix composite material and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110343397A (en) * | 2019-07-02 | 2019-10-18 | 汕头市雷氏塑化科技有限公司 | A kind of bamboo powder full-biodegradable material and preparation method thereof |
| CN112874096A (en) * | 2021-02-03 | 2021-06-01 | 洛阳晟鹏新材料科技有限公司 | PVDC co-extrusion film for sealing inner gasket of bottle cap |
| CN116178799A (en) * | 2022-12-14 | 2023-05-30 | 衢州学院 | Bamboo fiber molding reinforced material and preparation method thereof |
| CN116178799B (en) * | 2022-12-14 | 2024-02-27 | 衢州学院 | Bamboo fiber molding reinforced material and preparation method thereof |
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Application publication date: 20171010 |
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