CN109988342A - A kind of bio-based plastics and preparation method thereof - Google Patents
A kind of bio-based plastics and preparation method thereof Download PDFInfo
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- CN109988342A CN109988342A CN201711477686.3A CN201711477686A CN109988342A CN 109988342 A CN109988342 A CN 109988342A CN 201711477686 A CN201711477686 A CN 201711477686A CN 109988342 A CN109988342 A CN 109988342A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
- C08B31/02—Esters
- C08B31/04—Esters of organic acids, e.g. alkenyl-succinated starch
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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
- C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
- C08L3/04—Starch derivatives, e.g. crosslinked derivatives
- C08L3/06—Esters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The present invention relates to a kind of bio-based plastics and preparation method thereof, the bio-based plastics are reacted using two-step method by the raw material of following components in parts by weight to be mixed with: 75~95 parts of natural macromolecular material, 1~20 part of response type auxiliary agent, 1~10 part of physics plasticizer, 1~10 part of lubricant, 0.1~5 part of antioxidant.The first step of two-step method is to prepare natural macromolecule modification material；Second step is the mixture for preparing natural macromolecule modification material and PVC.Bio-based plastics of the invention are prepared with high speed dispersion homogenizer, natural macromolecular material can be made first to be smashed to pieces well, again by reacting output emulsifying effectiveness with auxiliary agent, further natural polymer is made to be uniformly dispersed, it is reacted conducive to PVC, reach good blending effect, to improve the mechanical performance of composite material.
Description
Technical field
The present invention relates to a kind of bio-based plastics field of material technology, specifically a kind of to use natural macromolecule modification material
The bio-based plastics and preparation method thereof that material is prepared into polyvinyl chloride (PVC).
Background technique
PVC is mainly derived from petroleum, coal and natural gas, and with modern industry, the development of commodity economy, these resources disappear
Consumption speed is surprising, and the step of resource exhaustion increasingly closes on.Meanwhile during PVC is shaped to product, a large amount of plasticising can be added
Agent, most important one are exactly adjacent benzene class plasticizer, and additive amount is up to 20%~30%, and the combination of it and product is unstable, appearance
It is easily discharged from product, into ambient enviroment.
The renewable resources such as starch, plant fiber, straw powder, rape straw powder, abundance and cheap, these materials
The bio-based plastics obtained after processing modified and be blended with PVC, it is possible to reduce the dosage of part PVC mitigates to petroleum, coal
The dependence of the resources such as charcoal, natural gas, the important function with energy-saving and emission-reduction, low-carbon environment-friendly have product to building " amphitypy society "
The meaning of pole.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of bio-based plastics for substituting commodity plastics material, it has
Have the characteristics that components of biomass content is high, price is low, plastics performance is good.
Another technical problem of the invention is to provide the preparation method of above-mentioned biology base PVC plastic, and this method is simple and effective,
Yield is high, is suitble to industrialized production.
Bio-based plastics of the invention are reacted in parts by weight by the raw material of following components to be mixed with: 75~95 parts
Natural macromolecular material, 1~20 part of response type auxiliary agent, 1~10 part of physics plasticizer, 1~10 part of lubricant, 0.1
~5 parts of antioxidant；
The preparation method of above-mentioned biology base PVC plastic is made of two-step method, and the first step is to prepare natural macromolecule modification material
Material；Second step is the mixture for preparing natural macromolecule modification material and PVC.
The first step, the preparation of natural macromolecule modification material, including two steps:
1, by 75~95 parts of natural macromolecular material, 1~20 part of response type auxiliary agent, 1~10 part of physics plasticizer,
1~10 part of lubricant, 0.1~5 part of antioxidant are added in high-shear homogenizer according to the ratio, 50~150 DEG C stir 5~
30min is uniformly mixed, cooling discharge.
2, above-mentioned material is added in dedicated double screw extruder, in 80~200 DEG C of reactive extrursions, obtains natural height
Molecular modification material pellet.
The preparation of the mixture of second step, natural macromolecule modification material and PVC, including following two step:
1, natural macromolecule modification material pellet, 5~50 parts of the PVC prepared 50~85 parts of the first step, 1~10 part
Compatilizer, 1~10 part of plasticizer, 1~5 part of heat stabilizer is added to according to the ratio in dedicated high-shear homogenizer, 50
~150 DEG C of 5~30min of stirring are uniformly mixed, cooling discharge.
Wherein the natural macromolecular material is plant amylum, such as wheaten starch, cornstarch, tapioca, Ma Ling
Sweet potato starch, starch from sweet potato, plant cellulose, such as one of bamboo powder, straw powder, bagasse, or a variety of.
The response type auxiliary agent be aliphatic carboxylic acid, as malic acid, citric acid, succinic acid, oleic acid, linoleic acid, linolenic acid,
One of stearic acid, palmitic acid, lauric acid are a variety of.
The physics plasticizer is glycerol, ethylene glycol, sorbierite, xylitol, maltitol, diethylene glycol (DEG), polyethylene glycol, rouge
One of fat acid monoglyceride or urea are a variety of.
The lubricant is in ethylene bis stearamide, polyethylene wax, oxidized polyethylene wax, polypropylene wax or atoleine
It is one or more.
The antioxidant is one of antioxidant 1010, antioxidant 1076, antioxidant 2246 or antioxidant 245 or more
Kind.2, above-mentioned material is added in dedicated double screw extruder, in 80~200 DEG C of reactive extrursions, obtains natural polymer
The mixing material of modified material and PVC.
Wherein, the compatilizer is titanate coupling agent, aluminate coupling agent, ethylene-acrylic acid copolymer (EAA), second
One of alkene-vinyl acetate co-polymer (EVA), EVA-g-MA or a variety of.
The plasticizer is tributyl citrate, triethyl citrate, tributyl 2-acetylcitrate, epoxidized soybean oil, ring
One of oxygen octyl stearate, polyester plasticizer are a variety of.
The heat stabilizer is calcium stearate, zinc stearate, barium stearate, dibutyl tin dilaurate, tin dilaurate two
One of n-octyl tin, calcium-zinc composite stabilizing agent are a variety of.
The present invention have it is following the utility model has the advantages that
1, in such a way that chemical modification and physics plasticising combine, in dedicated mixing and extrusion equipment, to natural
High molecular material is modified, and makes it have thermoplasticity and heat resistance.The chemical reaction wherein occurred can be indicated with the following general formula:
Represent the mixture of plant amylum or plant fiber or both.
2, the biology base PVC plastic that the present invention obtains has significant environmental protection meaning compared with traditional PVC plastic material products
Justice, can save 50%~85% non-renewable resources, and when burning can also reduce CO2 emission.
3, the biology base PVC plastic that the present invention obtains, due to using asepsis environment-protecting plasticizer, so with traditional PVC
Plastic products are compared, and the advantage with asepsis environment-protecting can be used for producing the various daily plastics such as toy, sole, slippers, baggages
Product.
4, the biology base PVC plastic that the present invention obtains, for fusing point at 120~180 DEG C, melt flow rate (MFR) is 5~20g/
10min, moulding processability are good.Extrusion, injection molding, blow molding, plastic uptake, hot pressing etc. can be passed through on the process equipment of common plastics
Method is shaped to various products.
5, the biology base PVC plastic that the present invention obtains is white or faint yellow solid, has good mechanical property, is drawn
Stretch 10~20MPa of intensity, elongation at break 300~1000%.10~25MPa of bending strength, simply supported beam notch impact strength 5~
25kJ/m2.The service performance of material is good.
6, the present invention is completed about biology base PVC plastic preparation method for material by two steps, and production yield is high, and method simply has
Effect is suitble to industrialized production.
7. preparation method of the invention use high speed dispersion homogenizer, it be after stirring, emulsification, bruisher series after again
One recent development product.With revolving speed height, operating is stablized, the characteristics such as noise is small, and power is big, and homogeneous dispersion effect is good, and is had concurrently
The multiple functions such as stir, smash to pieces, emulsifying.It is widely used in the fields such as medical experiment, chemical pharmaceutical, biological products, food processing,
For dispersion smash to pieces the products such as biology, plant, chemistry, food, beverage have the effect of it is splendid, can make in this patent naturally
High molecular material is first smashed to pieces well, then by reacting output emulsifying effectiveness with auxiliary agent, further makes natural polymer point
It dissipates uniformly, is conducive to react with PVC, reaches good blending effect, to improve the mechanical performance of composite material.
Specific embodiment
The invention will be further described with reference to embodiments:
Embodiment 1
The first step, the preparation of natural macromolecule modification material:
First by 75 parts of wheaten starch, 10 parts of linoleic acid, 10 parts of xylitol, 3 parts of polyethylene wax, 2 parts anti-
Oxygen agent 1010 is added in dedicated high-shear homogenizer, in 150 DEG C of stirring 20min, is uniformly mixed, cooling discharge.
Then above-mentioned material is added in dedicated double screw extruder, in 80 DEG C of reactive extrursions, obtains natural polymer
Sub- modified material pellet.
The preparation of the mixing material of second step, natural macromolecule modification material and PVC:
Natural macromolecule modification material pellet, 35 parts of PVC prepared by 50 parts of the first step, 5 parts of EAA, 5 parts of ring
Oxygen soybean oil, 5 parts of calcium stearate are added in dedicated high-shear homogenizer, in 150 DEG C of stirring 20min, are uniformly mixed, cooling
Discharging.
Then, above-mentioned material is added in dedicated double screw extruder, in 80 DEG C of reactive extrursions, obtains natural polymer
The mixing material of sub- modified material and PVC.The fusing point of the mixing material is 180 DEG C, melt flow rate (MFR) 20g/10min, draws
Stretch that intensity is 30MPa, elongation at break 1500%, bending strength 30MPa, simply supported beam notch impact strength are 7kJ/m2。
Embodiment 2
The first step, the preparation of natural macromolecule modification material:
First by 80 parts of wheaten starch, 5 parts of linoleic acid, 5 parts of xylitol, 5 parts of polyethylene wax, 3 parts of antioxygen
Agent 1010 is added in dedicated high-shear homogenizer, in 150 DEG C of stirring 20min, is uniformly mixed, cooling discharge.
Then above-mentioned material is added in dedicated double screw extruder, in 80 DEG C of reactive extrursions, obtains natural polymer
Sub- modified material pellet.
The preparation of the mixing material of second step, natural macromolecule modification material and PVC:
Natural macromolecule modification material pellet, 30 parts of PVC, 10 parts of EAA prepared by 60 parts of the first step, 5 parts of rings
Oxygen soybean oil, 5 parts of calcium stearate are added in dedicated high-shear homogenizer, in 150 DEG C of stirring 20min, are uniformly mixed, cooling
Discharging.
Then, above-mentioned material is added in dedicated double screw extruder, in 80 DEG C of reactive extrursions, obtains natural polymer
The mixing material of sub- modified material and PVC.The fusing point of the mixing material is 180 DEG C, melt flow rate (MFR) 20g/10min, draws
Stretch that intensity is 31MPa, elongation at break 1600%, bending strength 35MPa, simply supported beam notch impact strength are 8kJ/m2。
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in the present invention
Protection scope within.Protection scope of the present invention is subject to claims.
Claims (9)
1. a kind of bio-based plastics, which is characterized in that react and be mixed in parts by weight by the raw material of following components: 75
~95 parts of natural macromolecular material, 1~20 part of response type auxiliary agent, 1~10 part of physics plasticizer, 1~10 part of lubrication
Agent, 0.1~5 part of antioxidant；
The bio-based plastics are made of two-step method, and the first step is to prepare natural macromolecule modification material；Second step is to prepare day
The mixture of right macromolecule modified material and PVC；
It is described to prepare natural macromolecule modification material, including two specific steps:
A, by 75~95 parts of natural macromolecular material, 1~20 part of response type auxiliary agent, 1~10 part of physics plasticizer, 1~
10 parts of lubricant, 0.1~5 part of antioxidant are added in high-shear homogenizer according to the ratio, 50~150 DEG C stir 5~
30min is uniformly mixed, cooling discharge；
B, above-mentioned material is added in dedicated double screw extruder, in 80~200 DEG C of reactive extrursions, obtains natural polymer
Modified material pellet；
The mixture for preparing natural macromolecule modification material and PVC, including following two specific steps:
C, natural macromolecule modification material pellet, 5~50 parts of the PVC prepared 50~85 parts of the first step, 1~10 part of phase
Hold agent, 1~10 part of plasticizer, 1~5 part of heat stabilizer is added to according to the ratio in dedicated high-shear homogenizer, 50~150
DEG C stirring 5~30min, be uniformly mixed, cooling discharge；
D, above-mentioned material is added in dedicated double screw extruder, in 80~200 DEG C of reactive extrursions, obtains natural polymer
The mixing material of modified material and PVC.
2. bio-based plastics according to claim 1, which is characterized in that the natural macromolecular material is plant shallow lake
Powder, such as wheaten starch, cornstarch, tapioca, potato starch, starch from sweet potato, plant cellulose, as bamboo powder, straw powder,
Bagasse, one of or it is a variety of.
3. bio-based plastics according to claim 1, which is characterized in that the response type auxiliary agent is aliphatic carboxylic acid, such as
One of malic acid, citric acid, succinic acid, oleic acid, linoleic acid, linolenic acid, stearic acid, palmitic acid, lauric acid are a variety of.
4. bio-based plastics according to claim 1, which is characterized in that the physics plasticizer is glycerol, ethylene glycol, mountain
One of pears alcohol, xylitol, maltitol, diethylene glycol (DEG), polyethylene glycol, fatty acid monoglyceride or urea are a variety of.
5. bio-based plastics according to claim 1, which is characterized in that the lubricant is ethylene bis stearamide, gathers
One of ethylene waxes, oxidized polyethylene wax, polypropylene wax or atoleine are a variety of.
6. bio-based plastics according to claim 1, which is characterized in that the antioxidant is antioxidant 1010, antioxygen
1076, one of antioxidant 2246 or antioxidant 245 or a variety of.
7. bio-based plastics according to claim 1, which is characterized in that the compatilizer is titanate coupling agent, aluminic acid
One of ester coupling agent, ethylene-acrylic acid copolymer (EAA), ethylene-vinyl acetate copolymer (EVA), EVA-g-MA or
It is a variety of.
8. bio-based plastics according to claim 1, which is characterized in that the plasticizer is tributyl citrate, lemon
One of triethylenetetraminehexaacetic acid ester, tributyl 2-acetylcitrate, epoxidized soybean oil, octyl epoxy stearate, polyester plasticizer are a variety of.
9. bio-based plastics according to claim 1, which is characterized in that the heat stabilizer is calcium stearate, stearic acid
One of zinc, barium stearate, dibutyl tin dilaurate, Bis(lauroyloxy)dioctyltin, calcium-zinc composite stabilizing agent are a variety of.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711477686.3A CN109988342A (en) | 2017-12-29 | 2017-12-29 | A kind of bio-based plastics and preparation method thereof |
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| CN201711477686.3A CN109988342A (en) | 2017-12-29 | 2017-12-29 | A kind of bio-based plastics and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110483841A (en) * | 2019-08-06 | 2019-11-22 | 寿光金远东变性淀粉有限公司 | A kind of starch base alloy material and preparation method thereof |
| CN110922642A (en) * | 2019-12-05 | 2020-03-27 | 南京旭华圣洛迪新型建材有限公司 | Indoor antibiotic wood-plastic composite wallboard of fibrilia base |
| CN115093662A (en) * | 2022-08-15 | 2022-09-23 | 晋江金尊鞋业有限公司 | Environment-friendly degradable sole and preparation process thereof |
| WO2023077645A1 (en) * | 2021-11-04 | 2023-05-11 | 和碳新材科技(南京)有限公司 | Oil-water separation device and oil-water separation method |
-
2017
- 2017-12-29 CN CN201711477686.3A patent/CN109988342A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110483841A (en) * | 2019-08-06 | 2019-11-22 | 寿光金远东变性淀粉有限公司 | A kind of starch base alloy material and preparation method thereof |
| CN110922642A (en) * | 2019-12-05 | 2020-03-27 | 南京旭华圣洛迪新型建材有限公司 | Indoor antibiotic wood-plastic composite wallboard of fibrilia base |
| WO2023077645A1 (en) * | 2021-11-04 | 2023-05-11 | 和碳新材科技(南京)有限公司 | Oil-water separation device and oil-water separation method |
| CN115093662A (en) * | 2022-08-15 | 2022-09-23 | 晋江金尊鞋业有限公司 | Environment-friendly degradable sole and preparation process thereof |
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Application publication date: 20190709 |