CN1420139A - Ecological environment material nd mfg. method thereof - Google Patents
Ecological environment material nd mfg. method thereof Download PDFInfo
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- CN1420139A CN1420139A CN 02103639 CN02103639A CN1420139A CN 1420139 A CN1420139 A CN 1420139A CN 02103639 CN02103639 CN 02103639 CN 02103639 A CN02103639 A CN 02103639A CN 1420139 A CN1420139 A CN 1420139A
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Abstract
An environment protection type ecological material is prepared from starch as basic material, high-molecular polymer as adhesive, and metallic material as disperser through proportioning, coating the sub-micron adhesive with nano disperser, adding to starch, stirring, and dual-screw extruding out.
Description
Technical field
The present invention relates to field of new, be specifically related to a kind of compliance with environmental protection requirements, the matrix material of favourable ecotope.Simultaneously, the invention still further relates to the manufacture method of this novel material.
Prior art
The current packaging material uses maximum plastic materials that is, because it is difficult to degraded, the depleted plastics have become an importance of pollution of ecological environment.Replace some novel degradable materials of plastic material, how in plastics, to add degradable substance, to quicken the degradation speed of plastic material.Adding starch is exactly a kind of method, but a lot of use starch is very undesirable again on its use properties as the goods of degradation material, has not easy-formation, the easy embrittlement of goods, problems such as heatproof, cold-resistant and poor water resistance.
The composition of the disclosed a kind of starch-containing and thermoplastic resin of patent documentation PCT/EP92/00959 (CN1077966A) is an example of this class material.The composition of starch-containing and thermoplastic resin in this patent application, obtain by blending heat refining starch-based component and synthetic thermoplastic component, when obtaining polymer composition, the crystallization that destroys starch obtains the thermoplasticity blend, and wherein starch-based component and synthetic thermoplastic component form and interpenetrate or the interpenetrative structure of part.The polymer composition that this method obtains, relatively conventional plastic has biodegradation rate preferably, contrasts other starch-based materials, and mechanicalness, water tolerance and processing characteristics make moderate progress.But, its technical thought still is confined to traditional thought, starch base and polymkeric substance carry out chemical graft and inlay reaction, starch-based materials is easily by biological degradation, and the degradation property of polymkeric substance itself does not still improve, the result who causes is, whole goods by blend processing, by illumination or microbial process in degradable starch base material, make finished-product material be cracked into fritter or netted, but be difficult to become littler and incorporate soil, can not solve the problem that plastic material itself can not be degraded at all, its degradation effect is also not really desirable.On the other hand, this conventional art thought, when producing polymkeric substance, carry out complicated chemical reaction, feed composition complexity, technical process complexity, the polymer architecture composition is not really clear, causes chemical reaction not control at regular time and quantity, obtain unstable product quality, product performance can only be macroscopical qualitative, is difficult to accurately quantitatively.
Summary of the invention
The object of the present invention is to provide a kind of new ecological environment material nd, it has good use properties and good environment compatibility simultaneously, can degrade well after use.
Another object of the present invention is to provide a kind of method of making ecological environment material nd, and it adopts unusual thinking and hard-core technology means, makes the ecomaterial of manufacturing have good use properties and excellent degradation property.
For achieving the above object, adopt following technical proposals:
The invention provides a kind of ecological environment material nd, comprise following component:
Base-material weight part 50～95
Binder wt part 5～50
Dispersion agent weight part 0.5～5
Above-mentioned ecological environment material nd, the native starch that described starch base-material is a non-modified and through the modified starch of modification.Wherein, described native starch comprises potato starch, Starch rice, W-Gum, tapioca (flour), wheat starch, sweet potato starch, pea starch, sorghum starch and from the starch of base of leaf, root and the fruit manufacturing of the abundant plant of starch content etc. or its two kinds or multiple combination.
Described modified starch comprises that those through the starch that some chemical structure or physical structure in chemical method, physics method or the biological process processing back starch molecule change, are selected from Sumstar 190, starch phosphates, starch acetates, etherification starch, carboxymethyl starch, cationic starch, carboxyalkyl starch, dialdehyde starch etc. or its two kinds or multiple combination.
Above mentioned starch all is that particle diameter is at 10～300 microns through ultramicronising processing micron particles.
Above-mentioned ecological environment material nd, described tackiness agent are biological based high molecular polymkeric substance and petroleum base high molecular polymer.Wherein, described bio-based high molecular polymer is selected from poly(lactic acid), polyhydroxybutyrate fat and polymkeric substance thereof, polyethylene alkyd, poly-ε-own lactones etc. or its two kinds or multiple combination.
Described petroleum base high molecular polymer is selected from high-pressure polyethylene, low pressure polyethylene, new LDPE (film grade), medium-density polyethylene, crosslinked polyethylene, oxidic polyethylene, ethylene-vinyl acetate copolymer, ethene-ethyl propionate multipolymer, ethylene-acrylic acid copolymer, isotatic polypropylene, Atactic Polypropelene, Chlorinated Polypropylene III, graft modification polypropylene, propylene-ethylene block copolymer, polybutene, poly-1-butylene, polyvinyl chloride (PVC) RESINS, polystyrene resin, polyamide resin, celluosic resin, ethylene-vinyl alcohol copolymer, the poly-hydroxy alkanoate, ethylene-acrylic acid-acrylic acid alkyl lipopolymer etc. or its two kinds or multiple combination.
Tackiness agent above-mentioned all is that particle diameter is 0.3～3 micron through the submicron particles of ultra micro processing.
Above-mentioned ecological environment material nd, described dispersion agent are selected from metallic substance dispersion agent and non-metallic material dispersion agent.Wherein, described metallic substance dispersion agent is selected from pure metal and metallic compound.Described metallic substance dispersion agent also is selected from iron powder, copper powder, aluminium powder, titanium valve, zinc oxide, ferric oxide, cupric oxide, titanium oxide, magnesium oxide, bronze, aluminum oxide, molybdenum oxide, aluminium hydroxide, magnesium hydroxide, zinc phosphate, barium titanate, vitriolate of tartar, barium sulfate, martial ethiops, wustite etc. or its two kinds or multiple combination.
Described non-metallic material dispersion agent is selected from lime carbonate, wollastonite, kaolin, alpha-cellulose, cotton fibre, mica, silicon-dioxide, talcum powder, wood powder, graphite, asbestos, charcoal fiber, xonotlite, glass microsphere, carbide of calcium, hydrotalcite, atlapulgite, zeolite etc. or its two kinds or multiple combination.
Dispersion agent above-mentioned all is that particle diameter is 0.1～0.03 micron through the nano-scale particle of ultra micro processing.
The manufacture method of ecological environment material nd provided by the invention is earlier with the adhesive surface of nano level dispersant-coated at submicron order.
Specifically can be: the dispersion agent of 0.5～5 weight part is joined in the tackiness agent of 5～50 weight parts, in the back adding dry type that the stirs impingement mixing machine, homo(io)thermism is at 50 positive and negative 5 degree, 12000～18000 rev/mins of rotating speeds, 10～20 minutes time, it is stand-by that taking-up is cooled to normal temperature.
The manufacture method of above-mentioned ecological environment material nd, further the tackiness agent that the overlay film of 5～50 weight parts is finished adds in the micron order base-material of 50～95 weight parts, and the back that stirs adds extrusion moulding in the twin screw extruder.
The present invention has used the notion of ecological environment material nd (being called for short ECOMA), so-called ecological environment material nd, be the new research focus that rises in the development of international material scientific and engineering since the nineties in 20th century, it has three characteristics, i.e. form ultramicronising, integrated, the function ecology of structure.In the present invention, the form ultramicronising refers to that used starting material are ultrafine powder, and the starch base-material of micron attitude, the tackiness agent of submicron attitude and the dispersion agent of nanomorphic are arranged; Structure is integrated, refers to that material provided by the invention is a kind of coagulum material with the composite coated structural form of ultra micro that adopts computer simulation design to go out, and sees also accompanying drawing 9; The function ecology is mainly reflected in:
1), adopt ultramicronising to handle, make every kind of starting material all can bring into play the effect of maximum, the minimizing wasting of resources;
2), adopt the composite coated technology of ultra micro, make material have good use properties and good degradation property, and have the advantage of low price;
3), adopt the coagulation method for processing forming of coating, no three wastes generation can not pollute the production efficiency height to environment in the production;
4), all adopt the dry-type processing method, the minimizing energy consumption on the working method;
5), product can the secondary processing utilization after reclaiming, produce foam material or be processed into degradation master batch.Still can be used as the base-material of producing mushroom after finally abandoning, serve as fertilizer or fuel;
6), materials processing moulding of the present invention can be with general plastic processing machinery and technology.Reduce overlapping investment, help the sustainable development of manufacturing enterprise.
Among the present invention, the contriver is engaged in the research of the degradation property of macromolecule polymeric material for a long time, in experiment and practice, find, in the production theory of a large amount of moulding, for satisfying the needs of product use properties, people are using the small-particle small molecule monomer to produce high molecular polymer, and total trend is that molecular weight is increasing, molecular structure becomes increasingly complex, and processing characteristics improves constantly.The consequence of bringing is exactly that ecotope adaptability, the especially degradation capability of this material are worse and worse.Further deeply discover that comprehensively the biological degradability of high molecular polymer is relevant with its morphological structure, molecular weight is big more, and form (granularity) is big more, just is not easy degraded more; Otherwise molecular weight is more little, granularity is more little, and it is just easy to be many to degrade.There is experiment to prove, vinyon, resistance to microbial attack is very high, can resist the attacks of various microorganisms and the consumption that is not degraded, even if be doped with the vinyon of biodegradable material, also can only reach massive material and become fritter or netted, thread, and macromolecular material itself still can not be degraded.Corresponding experiment is crushed to micron particles with polythene material, and when its molecular weight drops to 500 when following, its biological degradability will uprise suddenly, in placing into the soil afterwards less than one-year age, just by complete biodegradable.
The degradation property of small-particle high molecular polymer is degraded easily than the high molecular polymer of macrobead form, and following reason is arranged:
1) small-particle high molecular polymer internal stress is big, and bond energy increases, and molecular activity increases;
2) small-particle high molecular polymer wetting ability increases, and easily by water infiltration, thereby the microorganism active of making and aggressive increasing quicken biochemical reaction;
3) small-particle, especially the particle of ultra micro level, quite high surface energy is arranged, assemble a large amount of charged particles, thereby make polymkeric substance be in a kind of unsteady state, all strengthened biological susceptibility as C-O, C-N, C-C key, the susceptibility to water degraded, enzyme liberating, oxygen degraded etc. significantly improves simultaneously, produces the effect of comprehensive degraded;
4) when high molecular polymer is in the ultra micro form, its physical and chemical stability, catalytic, wettability, electronics, electronics, chemical, optical, rheological, consistency etc. all can change, cause the quantum chemistry reaction, thus the accelerated degradation process;
Based on above research, the contriver advances a new theory from different visual angles, is called " the reverse degraded of Ji Shi is theoretical ", and its main thought is: make the high molecular polymer that is processed in the product still keep the ultra micro form, product processing and come into operation after, very good to the adaptability of ecotope.
" the reverse degraded of Ji Shi is theoretical ", changed the former studies thinking fully, that is: small molecules small-particle monomeric substance is through the polyreaction synthesising macromolecule copolymer, after the processed moulding of high molecular polymer, the use, adopt certain method degraded when discarded again, make it become netted polymkeric substance, take further method again, be degraded to small-particle small molecules element formula compound with expectation.And " the reverse degraded of Ji Shi is theoretical ", at first high molecular polymer being carried out ultra micro handles, and then manufacture the coenocorrelation material of the composite coated coagulation structure form of ultra micro, this materials processing moulding, through use and after discarded, finished product natural degradation under physical environment is reduced into small-particle small molecules element formula compound.This thinking key is that in making the finished product process, high molecular polymer remains ultrastructure, makes that it is exactly small-particle, small molecules form when entering degradation period, so degradation property is very good, does not need to help degraded with other householder method.
Technical scheme of the present invention just is being based on above-mentioned research and theory, and concrete application of theory obtained a kind of brand-new ecological environment material nd, its breakthrough point is the structural performance of material, and in conjunction with the characteristics of raw material, promptly with starch-based materials as base-material, use macromolecular material as tackiness agent, make the material use properties reach the standard of plastic material; For guaranteeing the ultrastructure form of tackiness agent, use dispersion agent in the batching, though tackiness agent can use petroleum-based products, it is at first coated by dispersion agent, can form short grained macromolecular material well, thereby form degradation effect ecological environment material nd preferably.
Description of drawings
Fig. 1 is used base-material ortho states Electronic Speculum figure among the present invention;
Fig. 2 is adhesive therefor ortho states Electronic Speculum figure among the present invention;
Fig. 3 is used dispersion agent Electronic Speculum figure among the present invention;
Fig. 4 is the Electronic Speculum figure of tackiness agent of the present invention after by dispersant-coated;
Fig. 5 is ecological environment material nd structural form Electronic Speculum figure of the present invention;
Fig. 6 is the local Electronic Speculum figure that amplifies of Fig. 5;
Fig. 7 is commercially available Mater-Bi material structure form Electronic Speculum figure;
Fig. 8 is commercially available biodegradable material structural form Electronic Speculum figure;
Fig. 9 is the ecological environment material nd of the present invention block diagram of designing program.
Embodiment
Below in conjunction with the drawings and specific embodiments explanation content of the present invention.
Referring to Fig. 5 and Fig. 6, the ecological environment material nd (hereinafter to be referred as ECOMA) that the present invention proposes is made up of the coagulum with the composite coated feature structure of ultra micro.Based on base-material, tackiness agent sticks to each other the base-material material around base-material.And tackiness agent itself referring to Fig. 4, is then coated by dispersion agent.
This material base-material is a starch-based materials, can be for the native starch of non-modified with through the modified starch of modification.Starch all is that particle diameter is at 10～300 microns through the micron particles after the ultramicronising processing treatment.From Fig. 1 and Fig. 6 more as can be seen, the starch-based materials that the present invention uses after becoming ecological environment material nd, still keeps original micron particle form.
The tackiness agent that this material is used is biological based high molecular polymkeric substance and petroleum base high molecular polymer, and referring to Fig. 2 and Fig. 4, adhesive therefor all is that particle diameter is 0.3～3 micron through the submicron particles of ultra micro processing.Their main effect is bonding starch base-material, makes its easy machine-shaping, and keeps good use properties.
This dispersion of materials agent is selected from metallic substance dispersion agent and non-metallic material dispersion agent, referring to Fig. 3, used dispersion agent all is that particle diameter is 0.1～0.03 micron through the nano-scale particle of ultra micro processing, referring to Fig. 4 as can be seen, dispersant-coated is at adhesive surface.Dispersion agent in the present invention mainly act as dispersing binder, make tackiness agent keep the form of small-particle high molecular polymer when mixing, thereby help guaranteeing the degradation property of ecological environment material nd with base-material.
From morphology, ecological environment material nd of the present invention has the different of essence with existing other degradation material.Referring to Fig. 7 and Fig. 8, be respectively the Electronic Speculum figure of commercially available degradable material structural form, " the green plastic cement " that Mater-Bi wherein shown in Figure 7 makes for the Biodegradable material that Italy produces is internationally recognizable brand, and its main raw material is the W-Gum of France, the PCL of the U.S..Biodegradable material shown in Figure 8 is that Beijing produces, and main raw material is the PE of Yanshan Petrochemical production and the W-Gum that northeast produces.From Electronic Speculum figure as can be seen, in these two kinds of products, starch substance has incorporated in the plastic substance, product belongs to the plastics that have starch base, and wherein starch-based materials can biological degradation, and plastic substance, radical change does not take place in essence, not very big change of degradation property.
For raw material of the present invention, particularly, native starch comprises potato starch, Starch rice, W-Gum, tapioca (flour), wheat starch, sweet potato starch, pea starch, sorghum starch and from the starch of base of leaf, root and the fruit manufacturing of the abundant plant of starch content etc. or its two kinds or multiple combination.
Modified starch comprises that those through the starch that some chemical structure or physical structure in chemical method, physics method or the biological process processing back starch molecule change, are selected from Sumstar 190, starch phosphates, starch acetates, etherification starch, carboxymethyl starch, cationic starch, carboxyalkyl starch, dialdehyde starch etc. or its two kinds or multiple combination.
Itself all has biological degradability native starch and modified starch.
The bio-based high molecular polymer is selected from poly(lactic acid), polyhydroxybutyrate fat and polymkeric substance thereof, polyethylene alkyd, poly-ε-own lactones etc. or its two kinds or multiple combination.This type of high molecular polymer self has excellent biodegradability.
The petroleum base high molecular polymer is selected from high-pressure polyethylene, low pressure polyethylene, new LDPE (film grade), medium-density polyethylene, crosslinked polyethylene, oxidic polyethylene, ethylene-vinyl acetate copolymer, ethene-ethyl propionate multipolymer, ethylene-acrylic acid copolymer, isotatic polypropylene, Atactic Polypropelene, Chlorinated Polypropylene III, graft modification polypropylene, propylene-ethylene block copolymer, polybutene, poly-1-butylene, polyvinyl chloride (PVC) RESINS, polystyrene resin, polyamide resin, celluosic resin, ethylene-vinyl alcohol copolymer, the poly-hydroxy alkanoate, ethylene-acrylic acid-acrylic acid alkyl lipopolymer etc. or its two kinds or multiple combination.This base polymer, itself does not possess biological degradability, must be used in combination dispersion agent its structural performance is carried out the ultra micro change, and it finally can be degraded.
The metallic substance dispersion agent is selected from pure metal and metallic compound.Described metallic substance dispersion agent also is selected from iron powder, copper powder, aluminium powder, titanium valve, zinc oxide, ferric oxide, cupric oxide, titanium oxide, magnesium oxide, bronze, aluminum oxide, molybdenum oxide, aluminium hydroxide, magnesium hydroxide, zinc phosphate, barium titanate, vitriolate of tartar, barium sulfate, martial ethiops, wustite etc. or its two kinds or multiple combination.
The non-metallic material dispersion agent is selected from lime carbonate, wollastonite, kaolin, alpha-cellulose, cotton fibre, mica, silicon-dioxide, talcum powder, wood powder, graphite, asbestos, charcoal fiber, xonotlite, glass microsphere, carbide of calcium, hydrotalcite, atlapulgite, zeolite etc. or its two kinds or multiple combination.
A few class material above-mentioned all is that the present invention can specifically select, implement, and non exhaustive, and the similar substance that other is not enumerated as reaching identical purpose, also can be selected for use.
Specific embodiment according to the present invention program sees Table 1
| Sequence number | Base-material | Tackiness agent | Dispersion agent |
| Embodiment one | 95 kilograms of 60 microns potato starches | 0.3 45 kilograms of 5 kilograms+oxidic polyethylenes of micron poly(lactic acid) | 0.04 4.6 kilograms of micron vitriolate of tartar |
| Embodiment two | 50 kilograms of 300 microns Starch rices | 30 kilograms of 3 microns polyhydroxybutyrates | 0.08 0.6 kilogram in 0.4 kilogram+aluminum oxide of micron magnesium hydroxide |
| Embodiment three | 50 kilograms of 25 kilograms+wheat starches of 70 microns sweet potato starch | 2.1 20 kilograms of micron polyethylene alkyd | 0.06 0.5 kilogram of micron zinc phosphate |
| Embodiment four | 90 kilograms of 10 microns Sumstar 190s | 0.5 5 kilograms of the poly-ε of micron-own lactones | 0.03 5 kilograms of micron kaolin |
| Embodiment five | 55 kilograms of 160 microns hydroxyalkyl starchs | 1.6 5 kilograms of 5 kilograms+polybutene of micron crosslinked polyethylene | 0.1 2.1 kilograms on 1 kilogram+mica of micron talcum powder |
| Embodiment six | 80 kilograms of 200 microns cationic starches | 2.0 44 kilograms of 2 kilograms+poly-1-butylene of micron Chlorinated Polypropylene III | 0.05 2.8 kilograms of micron alpha-celluloses |
| Embodiment seven | 55 kilograms of 10 kilograms+Sumstar 190s of 240 microns pea starches | 2.6 14 kilograms of 15 kilograms+polyvinyl chloride (PVC) RESINS of micron polystyrene resin | 0.09 1.8 kilograms of 2 kilograms+ferric oxide of micro-calcium carbonate |
The manufacturing step of the foregoing description one is: after all raw material is handled through ultramicronising, choose 4.6 kilograms of 0.04 micron vitriolate of tartar, join in 0.3 micron the mixture of 45 kilograms of 5 kilograms and 0.3 micron oxidic polyethylenes of poly(lactic acid), in the back adding KMQ-03 type that the stirs dry type impingement mixing machine, homo(io)thermism is at 50 positive and negative 5 degree, 12000～18000 rev/mins of rotating speeds, 10～20 minutes time, it is stand-by that taking-up is cooled to normal temperature.
In 95 kilograms of 60 microns potato starches of above-mentioned mixing material adding, in the back adding KME-72/3+98 type that the stirs twin screw extruder, this extruder screw diameter is 75m/m, screw rod width between centers 60m/m, screw speed 28-500 rev/min, screw slenderness ratio 1: 48, temperature distribution be set at (℃): 145～160; 140～160; 140～160; 135～155; 120～140; 125～145; 125～145; 125～145; 125～145; 120～140; 120～140; 120～140; 120～140; 120～140; 120～140; 120～140; Extrusion moulding under these conditions.
All the other embodiment adopt above-mentioned same procedure manufacturing.
The ecomaterial of selecting for use embodiment one prescription to make is tested,
The material properties test result1, outward appearance: obvious aberration, no wrinkling and bubble obviously are out of shape, are not had to smooth smooth, the even white of sample, nothing, glossy, free from extraneous odour; 2, density: 1.154 * 10
3Kg/m
33, Vicat softening point: 138.5 ℃ 4, melt flow rate: 6.7g/10min5, second-order transition temperature: 156 ℃ 6, decomposition temperature: 216 ℃ 7, shock strength: 4.63N/m8, tensile strength: 11.42mPa9, water-intake rate: 4.69%10,30 days biological degradation rates: 80%11, thermotolerance:＞130 ℃ 12, winter hardiness:＜-20 ℃ 13, temperature tolerance (water, oil, 24 hours): there is not distortion, ne-leakage 14, can be to folding endurance:＞50 times
Material ecotope degraded test result:
Be processed into mess-tin with ecological environment material nd provided by the invention, carry out the test of aerobic biological degradation rate, adopt GB/T 18006.2-1999 " degradable disposable dinner (beverage) containers degradation property experimental technique ".In the experimentation, can observe institute's test specimens grow mold on every side since the 3rd day, mould resembles one " white cotton pellet " during by the 9th, ten day, and " white hair " begins to disappear after the fortnight, macula lutea stain on the still visible later on sample; Measurement result, total carbon content is 48.3% in the sample, and the starch addition surpasses 80% in the interpret sample, and the aerobic biological degradation rate is 61.7%.
Claims (17)
1, a kind of ecological environment material nd is characterized in that, comprises following component:
Base-material 50～95 weight parts
Tackiness agent 5～50 weight parts
Dispersion agent 0.5～5 weight part
Wherein, the base-material particle diameter is at 10～300 microns; Tackiness agent is that particle diameter is 0.3～3 micron, and adhesive surface adheres to dispersion agent through the submicron particles of ultra micro processing; Dispersion agent is that particle diameter is 0.1～0.03 micron through the nano-scale particle of ultra micro processing.
2, ecological environment material nd according to claim 1 is characterized in that, described base-material is the starch base-material, for the native starch of non-modified with through the modified starch of modification.
3, ecological environment material nd according to claim 2, it is characterized in that described native starch comprises potato starch, Starch rice, W-Gum, tapioca (flour), wheat starch, sweet potato starch, pea starch, sorghum starch and from the starch of base of leaf, root and the fruit manufacturing of the abundant plant of starch content etc. or its two kinds or multiple combination.
4, ecological environment material nd according to claim 2, it is characterized in that, described modified starch comprises that those through the starch that some chemical structure or physical structure in chemical method, physics method or the biological process processing back starch molecule change, are selected from Sumstar 190, starch phosphates, starch acetates, etherification starch, carboxymethyl starch, cationic starch, carboxyalkyl starch, dialdehyde starch etc. or its two kinds or multiple combination.
5, ecological environment material nd according to claim 1 is characterized in that, described tackiness agent is biological based high molecular polymkeric substance and petroleum base high molecular polymer.
6, ecological environment material nd according to claim 5 is characterized in that, described bio-based high molecular polymer is selected from poly(lactic acid), polyhydroxybutyrate fat and polymkeric substance thereof, polyethylene alkyd, poly-ε-own lactones etc. or its two kinds or multiple combination.
7, ecological environment material nd according to claim 5, it is characterized in that described petroleum base high molecular polymer is selected from high-pressure polyethylene, low pressure polyethylene, new LDPE (film grade), medium-density polyethylene, crosslinked polyethylene, oxidic polyethylene, ethylene-vinyl acetate copolymer, ethene-ethyl propionate multipolymer, ethylene-acrylic acid copolymer, isotatic polypropylene, Atactic Polypropelene, Chlorinated Polypropylene III, graft modification polypropylene, propylene-ethylene block copolymer, polybutene, poly-1-butylene, polyvinyl chloride (PVC) RESINS, polystyrene resin, polyamide resin, celluosic resin, ethylene-vinyl alcohol copolymer, the poly-hydroxy alkanoate, ethylene-acrylic acid-acrylic acid alkyl lipopolymer etc. or its two kinds or multiple combination.
8, ecological environment material nd according to claim 1 is characterized in that, described dispersion agent is selected from metallic substance dispersion agent and non-metallic material dispersion agent.
9, ecological environment material nd according to claim 8 is characterized in that, described metallic substance dispersion agent is selected from pure metal and metallic compound.
10, ecological environment material nd according to claim 8, it is characterized in that described metallic substance dispersion agent is selected from iron powder, copper powder, aluminium powder, titanium valve, zinc oxide, ferric oxide, cupric oxide, titanium oxide, magnesium oxide, bronze, aluminum oxide, molybdenum oxide, aluminium hydroxide, magnesium hydroxide, zinc phosphate, barium titanate, vitriolate of tartar, barium sulfate, martial ethiops, wustite etc. or its two kinds or multiple combination.
11, ecological environment material nd according to claim 8, it is characterized in that described non-metallic material dispersion agent is selected from lime carbonate, wollastonite, kaolin, alpha-cellulose, cotton fibre, mica, silicon-dioxide, talcum powder, wood powder, graphite, asbestos, charcoal fiber, xonotlite, glass microsphere, carbide of calcium, hydrotalcite, atlapulgite, zeolite etc. or its two kinds or multiple combination.
12, the manufacture method of the described ecological environment material nd of a kind of claim 1 is characterized in that: with the adhesive surface of nano level dispersant-coated at submicron order, afterwards with the moulding of micron order starch base-material hybrid process.
13, the manufacture method of ecological environment material nd according to claim 12, it is characterized in that: the dispersion agent of 0.5～5 weight part is joined in the tackiness agent of 5～50 weight parts, in the back adding dry type that the stirs impingement mixing machine, homo(io)thermism is at 50 positive and negative 5 degree, 12000～18000 rev/mins of rotating speeds, 10～20 minutes time, it is stand-by that taking-up is cooled to normal temperature.
14, the manufacture method of ecological environment material nd according to claim 12, it is characterized in that: the tackiness agent that the overlay film of 5～50 weight parts is finished adds in the micron order base-material of 50～95 weight parts, and the back that stirs adds extrusion moulding in the twin screw extruder.
15, the manufacture method of ecological environment material nd according to claim 12 is characterized in that: described starch base-material is the described material of claim 2 to 4.
16, the manufacture method of ecological environment material nd according to claim 12 is characterized in that: described tackiness agent is the described material of claim 5 to 7.
17, the manufacture method of ecological environment material nd according to claim 12 is characterized in that: described dispersion agent is the described material of claim 8 to 11.
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| CN115038680A (en) * | 2020-02-12 | 2022-09-09 | 玉米产品开发公司 | Glidant composition |
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2002
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| CN103122083A (en) * | 2013-03-11 | 2013-05-29 | 太仓协乐高分子材料有限公司 | Preparation method of potato starch biodegradable plastic |
| CN104356427A (en) * | 2014-11-26 | 2015-02-18 | 界首市天鸿包装材料有限公司 | Production process of anti-wrinkle heat sealing type function film |
| CN106046575A (en) * | 2016-08-22 | 2016-10-26 | 广西南宁智翠科技咨询有限公司 | Novel stone wood-plastic composite material |
| CN106317657A (en) * | 2016-08-22 | 2017-01-11 | 广西南宁智翠科技咨询有限公司 | Stone-wood-plastic material |
| CN106721666A (en) * | 2016-12-30 | 2017-05-31 | 定远县仓镇恒润养殖专业合作社 | A kind of lobster special feed |
| CN109306101A (en) * | 2018-08-16 | 2019-02-05 | 金国轴 | A kind of high-content biological base packing container and preparation method thereof |
| CN109369967A (en) * | 2018-10-29 | 2019-02-22 | 长沙浩然医疗科技有限公司 | A kind of degradable films and preparation method |
| CN115038680A (en) * | 2020-02-12 | 2022-09-09 | 玉米产品开发公司 | Glidant composition |
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