CN107434867A - The degradable sheet material of novel low carbon and its product - Google Patents
The degradable sheet material of novel low carbon and its product Download PDFInfo
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- CN107434867A CN107434867A CN201610355085.4A CN201610355085A CN107434867A CN 107434867 A CN107434867 A CN 107434867A CN 201610355085 A CN201610355085 A CN 201610355085A CN 107434867 A CN107434867 A CN 107434867A
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- sheet material
- low carbon
- novel low
- degradable sheet
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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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
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
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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
- C08L2203/00—Applications
- C08L2203/10—Applications used for bottles
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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
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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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
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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)
- Compositions Of Macromolecular Compounds (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
The invention discloses a kind of degradable sheet material of novel low carbon, thickness is made up of between 0.01~0.15mm a 20~80wt% of plastic material, the biological 1~10wt% of prodegradant of a 10~70wt% of bio-based materials and one；Wherein, the plastic material is the plastic material of petrochemical industry or plant origin；The bio-based materials include starch, plant fibre powder or its combination；The biodegradable auxiliary agent includes vistanex, ferment or microorganism and related nutritional composition；And the degradable sheet material degradation rate of the novel low carbon is at least 90%.
Description
Technical field
The present invention relates to a kind of degradable sheet material, more particularly to production carbon amounts is low after a kind of degraded degradable
Material.
Background technology
Though the plastic material of petrochemical origin is widely used in daily living article, as petroleum is gradual
Reduction, the enhancing of greenhouse effects and plastic material can not decompose the hair of the subjects under discussion such as caused environmental pollution
Ferment, the use or development degradation plastic for reducing petrochemical industry plastics turn into an emerging Plastics Development trend,
Biological plastics also arises at the historic moment.Biological plastics can be divided into two major classes at present, and one kind is to contain bio-based plastics,
Another kind of is biodegradable plastic, this contain bio-based plastics refer to plastics have part or all of composition be by
Reproducible biological source obtains, and its purpose reduces by two to substitute or reducing the use of petrochemical origin plastics
Carbonoxide (CO2) generation, and biology can drop decomposition plastics and refer to by the non-stone such as cornstarch, pea starch
Change bioerodible, the material of degraded in source, the purpose is to can reduce the pollution of plastic garbage.Separately
Outside, bioerodible plastics are because decomposable asymmetric choice net, after a period of time is placed, the decay of its mechanical strength
Quickly, general film bag product suggestion uses in 1 year, thus begin with manufacturer turn to exploitation can promote stone
Change the bioerodible auxiliary agent of plastics, petrochemical industry plastics is may conform to biodegradable target, at present city
The bioerodible auxiliary agent sold has photooxidation droping auxiliary agent and new ferment regulation type auxiliary agent, photooxidation droping
The manufacturer of auxiliary agent is for example：D2w ... of TDPA and Symphony companies of EPI companies etc., it is current
The addition auxiliary agent of main flow, but due to including heavy metal component, and can not be tested by compost, therefore portion
Region-by-region or country have started to disable.And new ferment regulation type auxiliary agent is because of heavy metal free residue problem,
Future will have it is considerable degree of expansionary, at present leading firm such as Earth Nurture (
additive),ECM BioFilms,Bio-Tec EnvironmentalEnso Plastics,
IQON Ecozyme ... etc., for example following network address of public information of the ferment control type auxiliary agent：
http://agbio.coa.gov.tw/information_detail.aspxDno=34347＆ito=87；
http://technews.tw/2016/03/13/bacteria-eat-plastic/；
http://www.bioindustry.cn/info/view/26856。
Ferment regulation type auxiliary agent can react because including special ferment with plastics, can reduce carbon between plastic molecules-
The bond energy of carbon key (C-C) and carbon-hydrogen link (C-H), promote microorganism to be easier to decompose the petrochemical industry plastics, more have
Chance can use as crop compost.
Although ferment regulation type auxiliary agent is the decomposition plastics in a manner of natural, if but being used alone at present in stone
Change in plastics such as polyethylene (Polyethylene, PE) or polypropylene (Polypropylene, PP), its shortcoming is point
Solution speed is excessively slow, and initial stage even can only somewhat reduce the mechanical strength of material, with the decomposable asymmetric choice net typically recognized
Still there is distance.In addition, its promote the speed of petrochemical industry plastic degradation and ability depend on additive number,
Because such additive adds lattice higher, this point will be reflected on product ultimate cost, cause popularization to be not easy.
The content of the invention
More become to reducing and can not decompose caused environment dirt to solve the petroleum resources of current petrochemical industry plastics
Dye, and the variety of problems such as existing ferment regulation type auxiliary agent cost is higher, the present invention provide a kind of new low
The degradable sheet material of carbon, thickness is between 0.01~0.15mm, and between 0.6~1, it is included proportion
One 20~80wt% of plastic material, a 10~70wt% of bio-based materials and a ferment regulation type auxiliary agent
1~10wt%, wherein：The plastic material is the plastic material of petrochemical origin；The bio-based materials include starch,
Plant fibre powder or starch, the combination of plant fibre powder；The ferment regulation type auxiliary agent includes polyolefin
Resin, ferment, microorganism and nutrient source；The degradation rate of the degradable sheet material of the novel low carbon is at least 90%.
Wherein, the plastic material includes polyethylene, polypropylene, polystyrene, polyvinyl chloride, ethene-vinegar
Sour ethylene copolymer or polyethylene terephthalate；The vistanex is polyethylene, polypropylene or second
Alkene-acetate ethylene copolymer；And bio-based materials further comprising polyethylene, polypropylene, polystyrene,
Polyvinyl chloride, ethylene-vinyl acetate copolymer or polyethylene terephthalate.
Wherein, the plant fibre powder includes bamboo powder, bran powder, powder of straw, wood powder or ground coffee.
Wherein, it is further comprising colorant, filler, toughener, processing aid or nm inorganic matter
1~20wt% of feature added material.
Wherein, the toughener includes TPO, thermoplastic elastomer (TPE) plus sulfur type thermoplastic polyolefin
Hydrocarbon system elastomer class elastomer, the processing aid include paraffin, Tissuemat E, the oxygen such as dispersant, lubrication prescription
Change Tissuemat E, fatty acid or fatty acid amide；And the nm inorganic matter includes nm level talcum, cloud
Female, high territory.
Wherein, it is fabricated in the method for extruding or being blow molded.
The present invention further provides with the container containing made by the degradable sheet material of the novel low carbon, the production of bag class
Product and bottle.
The present invention arranges in pairs or groups the bio-based materials of the source power containing plant after ferment regulation type auxiliary agent existing at present
Through extrusion or blow molding processing procedure, the products such as film, bag, plate, sheet material are made, the advantage is that：
1. the micro-moisture that the bio-based materials of the source power containing plant include produces foaming effect in manufacturing process
Fruit, proportion is can obtain in the case where foaming agent need not be added and is produced in 0.6~1 film, bag, plate, sheet material etc.
Product, cause to contain certain amount micropore in product so that product has light weight effect, also because of the production of micropore
The raw therefore contact area of starch and ferment and bacterium becomes point that be big, therefore contributing to starch or plastic material
Solution.And plant source power is except inherently possessing good and quick degradation characteristic, it is possible to provide microorganism is more
More nutrient sources so that the quick hyperplasia of microorganism, accelerate outside disintegration and the degradation rate of petrochemical industry plastics,
After plant source power first decomposes, it is more conducive to increase the action face product of ferment in ferment regulation type auxiliary agent,
Again speed up the decomposition rate of integral material.
2. the present invention has the advantages of highly can degrading or decompose entirely, ISO14855, EN13432 can be passed through
Tested Deng compost.
3. by the chemical formula of plastic material, such as polyethylene is (CH2) n, the chemical formula of bio-based materials, such as
Starch is (C6H12O5) n, both degrade or burning after caused carbon dioxide with caused by plastics measure compared with
It is more, therefore the present invention contains a large amount of reproducible bio-based materials, instead of the addition of plastic material, can be big
Caused CO2 emissions after amount reduces degraded or burned, to meet low-carbon effect alleged by the present invention.
The present invention passes through the addition lower-cost plant source power bio-based materials of such as starch or string,
Usage amount except can directly reduce ferment regulation type auxiliary agent, it can be reduced again because of proportion and reduce ferment tune indirectly
The usage amount of control type auxiliary agent, reaching reduces cost maintains outside height decomposition or the effect decomposed entirely again, also may be used
Reduce the plastics usage amount of petrochemical origin simultaneously, more can compound other kinds of plastic material without restriction,
And make its decomposition；Confirmed again by the degradation rate comparison sheet of table 1 of the present invention, addition bio-based materials can
Further speed up the decomposition rate of petrochemical industry plastics.Table 2 is polyethylene plastic film, bio-based plastics film and life
The physical property comparison sheet of thing base ferment decomposable asymmetric choice net film, it can be found that having added the film of ferment regulation type auxiliary agent, phase
Control group for being not added with or only adding ferment regulation type auxiliary agent, material properties affect are little.
Bio-based plastics and powdered biomass, protein and the bacterial component in ferment regulation type auxiliary agent, hold
Easily because hydrogen bond cause to reunite with attractions such as Fan get Wa Li, agglomeration easily cause product strength weaken and
The problems such as printing is bad produces, therefore the scattered and refinement of these bio-based materials in the plastic will influence
The quality of product.In addition, the whether ferment and strain in bio-based materials or ferment regulation type auxiliary agent,
All product function and mechanical strength can be influenceed because temperature is too high, therefore system is reduced in process of producing product
Cheng Wendu is also most important.Through addition processing aid and nm inorganic matter, simultaneously appropriate mix is set the present invention
Standby planning, the dispersiveness of increase bio-based materials in the plastic, produce product strength or printing all compared with
Good high quality sheet material.Processing aid includes paraffin, PE waxes, OPE waxes, the fat such as dispersant or lubrication prescription
Acids or fatty acid amide.Nm inorganic matter includes the silicates of nm level, such as talcum, mica, height
Territory etc..Bio-based materials containing plant source power and ferment auxiliary agent of the invention can be inorganic by the nm
Dispersed in screw rod under the assistance of thing and processing aid, the screw rod of board needs draw ratio to be more than 25,
And there is certain shearing force design.
Embodiment
A kind of degradable sheet material of novel low carbon, thickness is between 0.01~0.15mm, and proportion is 0.6~1
Between, it includes a 20~80wt% of plastic material, a 10~70wt% of bio-based materials and a ferment
Regulation type 1~10wt% of auxiliary agent, the biological degradation rate of the degradable sheet material of the novel low carbon are at least 90%.
Sheet material of the present invention according to thickness just in general, can divide into：The sheet material of thinner thickness can
Referred to as membrane material, the thicker sheet material of thickness can then be referred to as sheet material, but neither from disclosed essence
God.
Wherein, the above-mentioned plastic material is the plastic material of general petrochemical industry or plant origin, such as polyethylene
(Polyethylene, PE), polypropylene (Polypropylene, PP), polystyrene (Polystyrene, PS), gather
Vinyl chloride, ethylene-vinyl acetate copolymer (Poly ethylene-co-vinyl acetate, EVA) or polyethylene pair
Phthalic acid ester (Polyethylene Terephthalate, PET) etc., the plastic material can be helped being not added with other
Before the composition of degraded, voluntarily it can not degrade in the environment.
The bio-based materials include starch or such as bamboo powder, wood powder, bran powder, powder of straw, ground coffee are planted
One or more mixtures of fibres powder, and further the bio-based materials can be by starch or plant
Fibres and a base plastic (polyethylene, polypropylene, polystyrene, ethylene-vinyl acetate copolymer or poly-
Ethylene terephthalate etc.) be kneaded and form plastic pellet after, then mix with other compositions of the present invention, it is preferred that
60~the 80wt% of starch or string content contained in plastic pellet.
Ferment regulation type auxiliary agent used in the present invention includes special ferment, and the special ferment is to specified chemical
The exclusive reaction of structure, make the plastic material can under soil environment by ferment and bacterium to plastics material
Material is decomposed, and the fermentoid regulation type auxiliary agent may further contain polyolefin in addition to special ferment
Resin (PE, PP, EVA etc.), microorganism and the nutrient source of microorganism, it can make added polyethylene
(PE) the effect of height is degraded or decomposed entirely.So-called height degraded or complete decompose refer to the plastics in the present invention
Material can reach 90% or more degradation rate.
In the composition of the present invention feature addition can be added according further to process requirement or end product demand
1~20wt% of material, colorant, filler, toughener, processing aid or nm inorganic matter etc..Its
Middle filler includes calcium carbonate, talcum ... waits inorganic matter, and toughener includes TPO
(Thermoplastic olefin, TPO), thermoplastic elastomer (TPE) (Thermoplastic elastomer, TPE), add
Sulfur type TPO based elastomers (Thermoplastic vulcanizate, TPV) class elastomer etc., processing
Auxiliary agent includes paraffin, Tissuemat E (PE waxes), OPE (OPE waxes), the fat such as dispersant, lubrication prescription
Fat acids or fatty acid amide.Nm inorganic matter includes the silicates of nm level, such as nm grade talcum,
Mica, high territory etc..
And formula composition provided by the present invention can be configured to sheet material using general plastic working method, in this
Do not limit, after plastic material, bio-based materials and ferment regulation type auxiliary agent such as are melted into kneading jointly,
To be blow molded, extrude processing procedure, plate, piece or membrane material are processed as according to thickness requirements, and the plate, piece or membrane material
The container containings such as plastic bowl, disk, cup or the production of other film bag classes can further be made in a manner of plastic uptake shapes
Product.The formula of plastic material, bio-based materials and ferment regulation type auxiliary agent mentioned by the present invention also may be used
Bottle or jar are made as with blowing method.
In general, when the bio-based plastics and ferment regulation type auxiliary agent of addition plant source power, because working as
In biological source power during the manufacturing or storage, easily because of moisture absorption, cause product to be easily deformed
Flaw, quality are unstable and physical property is bad, are events, in the present invention regulate and control bio-based materials and ferment
Before type auxiliary agent and petrochemical industry plastic blend, bio-based materials all need to dry to moisture content with ferment regulation type auxiliary agent
Less than 0.5%, the problem of to reduce flaw in successive process.And if the present invention is made from plant fibre powder
For bio-based materials when, then can increase the physical property and abrasion performance of product, therefore can be according to the spy of end product
Property, from any combination of starch and plant fibre powder, reach the physical property and quality requirement needed for product.
The present invention can be further transmitted through adding processing aid and nm inorganic matter and the facility planning of appropriate mix,
Increase the dispersiveness of bio-based materials in the plastic, it is all preferably high-quality to produce product strength or printing
Measure sheet material.Bio-based materials containing plant source power and ferment auxiliary agent of the invention can be inorganic by the nm
Dispersed in screw rod under the assistance of thing and processing aid, the screw rod of board needs draw ratio to be more than 25,
And there is certain shearing force design.
Table 1 is refer to, to confirm bio-based materials and ferment regulation type of the present invention through the source power containing plant
The collocation of auxiliary agent, the efficiency of the plastic material decomposition rate can be further speeded up, only be added by control group 1
Polyethylene (PE) thickness for adding ferment regulation type auxiliary agent is 0.03mm membrane materials, control group 2 only adds starch
Polyethylene (PE) thickness is 0.03mm membrane materials, contrasts the bio-based materials and ferment of the source power of the invention containing plant
The thickness that the polyethylene of plain regulation type auxiliary agent is done is 0.03mm membrane materials, in 90 days, 150 days, 180
The degradation rate comparison sheet of it and 300 days.
Table 1
As seen from Table 1, simple PE adds the control group 2 of starch no longer to be degraded from after 150 days, represents
After analysable starch has been decomposed in control group 2, the PE that can not be decomposed will remain in environment forever
In pollute.
And the group of the invention containing PE, starch and ferment regulation type auxiliary agent, equally added in 150 days
After starch 40wt% has been decomposed, from 150 days to 180 days short 30 day, 7wt% ferment regulation and control
Type auxiliary agent can fully or highly decompose 53wt% PE, because the bio-based materials such as addition starch can
Cause to contain certain amount micropore in product, in addition to it can make product and have light-weighted effect, also because of micropore
The contact area for producing therefore starch and ferment and bacterium become big, therefore contribute to ferment regulation type auxiliary agent
For the accelerated decomposition of plastic material.And starch is except inherently possessing good and quick degradation characteristic,
It can provide microorganism more nutrient sources so that the quick hyperplasia of microorganism, to accelerate the disintegration of petrochemical industry plastics
And outside degradation rate, after starch first decomposes, it is more conducive to increase the effect of ferment in ferment regulation type auxiliary agent
Surface area, again speed up the decomposition rate of integral material.
Review and only contain PE and ferment regulation type auxiliary agent control group 1, because the bio-based materials such as no added starch
To form the micropore that can increase reaction surface area, therefore PE decomposition rate is relatively slow before 150 days, or
Even without decomposition, PE (the about 50wt%, that is, group of the present invention of its half amount are even decomposed
PE additions), still 180 days are at least taken, relative to the present invention (150 days~180 in 30 days
My god) 53wt% PE can have been decomposed, the present invention can accelerate at least 5~6 times of plastic material decomposition rate
Time.
Table 2 below is refer to, its polyethylene plastic film made of the experiment group of above-mentioned table 1, bio-based modeling
The physical property comparison sheet of film and bio-based ferment decomposable asymmetric choice net film is expected, it can be found that having added ferment regulation type auxiliary agent
Film, it is little relative to the control group for being not added with or only adding ferment regulation type auxiliary agent, material properties affect.(film
Material thickness 0.06mm)
It is only presently preferred embodiments of the present invention described in above-mentioned table 1 and table 2, is not limited to this
Invent the interest field advocated, all other equivalent changes completed without departing from disclosed spirit
Or modification, it all should be included in the range of the opinion of the present invention.
Claims (9)
- A kind of 1. degradable sheet material of novel low carbon, it is characterised in that thickness between 0.01~0.15mm it Between, proportion between 0.6~1, its include a 20~80wt% of plastic material, bio-based materials 10~ A 70wt% and ferment regulation type 1~10wt% of auxiliary agent, wherein：The plastic material is the plastic material of petrochemical origin；The bio-based materials include the combination of starch, plant fibre powder or starch, plant fibre powder； The ferment regulation type auxiliary agent includes vistanex, ferment, microorganism and nutrient source；The degradation rate of the degradable sheet material of the novel low carbon is at least 90%.
- 2. the degradable sheet material of novel low carbon as claimed in claim 1, it is characterised in that wherein：The plastic material includes polyethylene, polypropylene, polystyrene, polyvinyl chloride, ethyl vinyl acetate second Alkene copolymer or polyethylene terephthalate；The vistanex is polyethylene, polypropylene or ethylene-vinyl acetate copolymer；AndThe bio-based materials are further comprising polyethylene, polypropylene, polystyrene, polyvinyl chloride, second Alkene-acetate ethylene copolymer or polyethylene terephthalate.
- 3. the degradable sheet material of novel low carbon as claimed in claim 1, it is characterised in that the plant is fine Dimension powder includes bamboo powder, bran powder, powder of straw, wood powder or ground coffee.
- 4. the degradable sheet material of novel low carbon as claimed in claim 1, it is characterised in that it is further wrapped 1~20wt% of feature added material containing colorant, filler, toughener, processing aid or nm inorganic matter.
- 5. the degradable sheet material of novel low carbon as claimed in claim 4, it is characterised in that the toughener Comprising TPO, thermoplastic elastomer (TPE), add sulfur type TPO based elastomers class elastomer, The processing aid includes paraffin, Tissuemat E, OPE, the aliphatic acid such as dispersant, lubrication prescription Class or fatty acid amide；And the nm inorganic matter includes nm level talcum, mica, high territory.
- 6. the degradable sheet material of novel low carbon as claimed in claim 1, it is characterised in that its with extrude or The method of blowing is fabricated.
- 7. a kind of container containing of the degradable sheet material of novel low carbon, it is characterised in that it is with claim 1~6 Made by the degradable sheet material of described novel low carbon.
- 8. a kind of bag class product of the degradable sheet material of novel low carbon, it is characterised in that it is with claim 1~6 Made by the degradable sheet material of described novel low carbon.
- 9. a kind of bottle of the degradable sheet material of novel low carbon, it is characterised in that it is with claim 1~6 institute Made by the degradable sheet material of the novel low carbon stated.
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| CN107936417A (en) * | 2017-12-25 | 2018-04-20 | 安徽农业大学 | A kind of degredation plastic film |
| CN110467750A (en) * | 2019-08-28 | 2019-11-19 | 成都新柯力化工科技有限公司 | It is a kind of to increase rigid wearability biological plastics pallet dedicated parent material and preparation method |
| US20200015612A1 (en) * | 2018-07-16 | 2020-01-16 | Chien-Chung Huang | Biodegradable drinking straw |
| CN115028935A (en) * | 2021-03-05 | 2022-09-09 | 普裕兴业股份有限公司 | Biodegradable material |
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Cited By (5)
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| US20200015612A1 (en) * | 2018-07-16 | 2020-01-16 | Chien-Chung Huang | Biodegradable drinking straw |
| CN110467750A (en) * | 2019-08-28 | 2019-11-19 | 成都新柯力化工科技有限公司 | It is a kind of to increase rigid wearability biological plastics pallet dedicated parent material and preparation method |
| CN110467750B (en) * | 2019-08-28 | 2021-09-07 | 惠州市志海新威科技有限公司 | Special master batch for reinforcing and wear-resisting bioplastic tray and preparation method thereof |
| CN115028935A (en) * | 2021-03-05 | 2022-09-09 | 普裕兴业股份有限公司 | Biodegradable material |
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