CN102092525A - Biodegradable mixture - Google Patents
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- CN102092525A CN102092525A CN2010105145117A CN201010514511A CN102092525A CN 102092525 A CN102092525 A CN 102092525A CN 2010105145117 A CN2010105145117 A CN 2010105145117A CN 201010514511 A CN201010514511 A CN 201010514511A CN 102092525 A CN102092525 A CN 102092525A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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Abstract
The invention provides a biodegradable container which comprises a substrate and a surface film coated on the surface of the substrate, wherein the surface film can contain a biodegradable material, the substrate contains a starch material, at least one kind of cellulose, at least one kind of inorganic powder filler, an forming additive, at least one kind of hydrate and spice, and microzyme needs not to be added in the fermentation process.
Description
The application is for dividing an application the application number of original application: 201010505513.X, the applying date: on October 13rd, 2010, denomination of invention: biodegradable vessel.
Technical field
The present invention is about a kind of container, especially in regard to a kind of biodegradable vessel.
Background technology
In order to stress demand quickly and easily in response to the modern life, the employee of many countries prepares the time of food in order effectively to save to be in, and makes the demand index ground of deserted packing grow up.Plastics and paper pollution for a long time has been current primary subject under discussion.Traditional deserted food container (comprise lid, jar, reach other packing or the like) is usually by the nondecomposable material of biology, for example plastics, polystyrene, Styrofoam etc. are made, or with the original paper pulp or the cardboard of coating, dipping water-proofness polymeric material, or in case the waterborne polymeric material sheet make.Above-mentioned material has good moisture resistance, can completely cut off moisture (for example polystyrene foamed (foamed polystyrene) or Styrofoam (Styrofoam)), and have low cost and durability.
Yet, because its material all can't be by biological natural decomposition, so can cause great injury to environment.For example, the polystyrene that utilizes multiple harmful pharmaceutical chemicals manufacturing to form, it comprises benzene (benzene) and ethene (ethylene), and these two kinds of side productions that have cmpd to be all oil industry bring serious environmental problem, and wherein benzene is a kind of carcinogen.Therefore how to develop and to solve the environmental problem that deserted food container making is brought, and advantage with conventional food container, as moistureproof ability, the material that has Biodegradable and compostability simultaneously, in environmental consciousness surging today, the maker of container must the withdraw from use polystyrene products and change the material of adopting than environmental protection, but the environment protection container of development natural decomposition (or claim " biology can decompose ") is urgent anxious.
General biology can decompose (biodegradable) but the biology capacity of decomposition of container also has the difference on the degree, but some seems the container of natural decomposition, it only breaks becomes fragment, these fragments are difficult for seeing, but still need many decades or hundreds of years ability to decompose fully, but and the preferable made container of biology decomposing material of ability, the time of its natural decomposition is approximately 24 days, this type of container also can be used as compost and uses, and is compostization (compostable).
For the user, the thermal resistance of tableware (thermo resistance) is high more good more, and for example when tableware was used for supporting, holds or places the heat food and enjoys in real time for the people, if thermal resistance is not good, then the user felt hot easily and brings inconvenience; And in low temperature environment (as winter or high latitude and high altitude region),, must use the tableware that possesses insulation effect for avoiding food cooling in the tableware.Though, the extensive disposable utensils of utilization now, that is include the tableware (promptly so-called foaming Styrofoam) of air gap, having the effect of thermal resistance, it is a kind of of plastics dishware, so can not be decomposed by biology.In addition, if be used in packing, hold or place high temperature food (solid-state or liquid), the plastics dishware can produce toxic substance.
Though a kind of material such as poly(lactic acid) (PLA) of being known as for " biological plastics " once arranged, the material of utilization such as corn is raw material, through supervisors such as conversion, fermentation, polymerizations, the plastic pellet of output such as transparent poly(lactic acid) (PLA) etc. can't biolytic Xylonite in order to replace, but this " biological plastics " is the same with Xylonite on composition, decomposition rate is not ideal enough, and meet the thermal capacitance flexible type, its resistance to effect of heat is very poor, and generally speaking resistance to effect of heat is about 60 ℃; Its manufacturing process is numerous and diverse again, so the productive costs height is difficult to replace general petrochemical industry plastics, its suitability that is applied to tableware is seriously limited especially.
In view of the above, market not only exists a kind of plastics group food container that will replace with environmentally friendly demand, also exists a kind of plastics group food container that replaces and also has preferable thermal resistance simultaneously or hinder the demand of cold-working with (just possessing low heat energy conductance).In addition, also exist a kind of risk of demand to avoid food polluted by toxic substance that will replace plastics group food container.
Summary of the invention
Because the existence of the above-mentioned various market demands, the invention provides a kind of tableware that does not contain plastics group food container, except that helping environmental protection, again owing to comprise the space in inside, suit practical thermal resistance effect and have, it is used for packing or supports or hold or place food, advantage with plastics group food container, and there is not the cause harm shortcoming of environmental protection of plastics group food vessel, can take into account environmental protection with practical, it is used for packing or holds or places food again, can make people avoid the toxic misgivings of food.
It can decompose rapidly when abandoning to soil to the invention provides a kind of biodegradable vessel, and then reduces environmental pollution, reaches the environmental protection effect.
Another object of the present invention provides a kind of container, in order to article-containing, particularly about biodegradable vessel, so as to replacing plastic container.
Another object of the present invention is to make the high biodegradable vessel of a kind of thermal resistance, so as to the insulation and the effect of blocking heat source are provided, and are beneficial to the user and grip and avoid scalding one's hand.
Another purpose of the present invention is to provide a kind of biodegradable vessel, and it has high strength and high tenacity, so that better protective capability to be provided, or holds, places heavier article, makes the said vesse can be as crash-proof packing timber, and for example the footwear box uses.
A further object of the present invention is to provide a kind of omnidistance container natural and that innocuous substance is made that uses, and the container of avoiding making suffers the pollution of toxic substance.
In order to achieve the above object, the invention provides a kind of biodegradable vessel, but it is the container made from the biology decomposition of the mixture, it comprises: substrate and surface film are arranged at substrate surface.But described surface film can comprise the biology decomposing material or be made of a preventing water coating.But wherein said biology decomposition of the mixture comprises starchy material, at least a cellulose, at least a inorganic powder extending agent, at least a elasticizer, shaping assistant, at least a hydrate, and spices.Above-mentioned substrate comprises a plurality of open cell, and it utilizes saccharomycete to carry out prior fermentation and hydrate constitutes because of discharging hydrone formation hole in heat process.
Comprise bergamot as preferred above-mentioned spices, cdear, the Rome chamomile, lemongrass, Clary Sage, cypress, the oil markon, fennel, frankincense, ginger, grape fruit, lemon grass (Cymbopogon citratus), rose, bay, balm, marjoram, fish pelargonium, benzoin, pomegranate leaf, niaouli, rosemary,, pot marigold, flores aurantii, jasmine, sweet orange, rosewood, palmarosa, orange, marigold, hyacinth, cloves, coriander, santal, Pogostemon cablin Du, pine nut, lime, lavender, Herba Lysimachiae foenumgraeci, Petitgrain, tea tree, lavender, lemon Jiang Ginseng, cus-cus, one or more combination in any in thyme and the tealeaves.
Another embodiment of the present invention provides a kind of biodegradable vessel, but makes with the biology decomposition of the mixture, and it comprises: substrate; And surface film, be arranged at this substrate surface.But described surface film can comprise a biology decomposing material or be made of a preventing water coating.But wherein above-mentioned biology decomposition of the mixture comprises: starchy material, at least a cellulose, at least a inorganic powder extending agent, at least a elasticizer, shaping assistant, at least a hydrate, and coffee grounds.
But another embodiment of the present invention further provides a kind of biology decomposition texture, but makes with the biology decomposition of the mixture, and it comprises: substrate, and its inside has a plurality of open cell; Surface film, it is arranged at this substrate surface; And adhesive, be formed between this substrate and the surface film.Wherein but this surface film can comprise a biology decomposing material, but above-mentioned biology decomposition of the mixture comprises starchy material, at least a cellulose, at least a elasticizer, at least a inorganic powder extending agent, shaping assistant, at least a hydrate, and coffee grounds.
As preferably, above-mentioned at least a elasticizer comprises one or more combination in any in food stage methylcellulose, natural rubber or the neoprene.
As preferably, above-mentioned at least a hydrate is granule crystal or crystalline powder, to increase the open cell structure of described substrate.More preferably, above-mentioned at least a hydrate comprises aluminium trihydrate, magnesium carbonate, magnesium hydroxide, sodium carbonate, aluminium nitrate, zinc sulphate hydrate, aluminium hydroxide, or one or more combination in any in the calcium carbonate.
Preferably, above-mentioned at least a inorganic powder extending agent comprises french talc, sand, gravel, rock, limestone, sandstone, beaded glass, mica, clay, kaolin, synthetic clay, silica, fly ash, quartz glass, corundum, microballoon, calcium sulphate dihydrate, calcium aluminium, one or more combination in any in hydrated cement particle and the hydrated cement particle not.
Preferably, above-mentioned shaping assistant comprises one or more combination in any in food stage calcium sulphate, magnesium sulphate and the calcium carbonate material.
Above-mentioned starchy material is 45% to 90% of a mixture total weight amount percentum.
Above-mentioned at least a cellulose is 5% to 25% of a mixture total weight amount percentum.
Above-mentioned at least a inorganic powder extending agent is 5% to 50% of a mixture total weight amount percentum.
Above-mentioned shaping assistant is 0.2% to 2% of a mixture total weight amount percentum.
The permeability for gas of said vesse is greater than 0.001 darcy.
In addition, in the biodegradable vessel provided by the present invention, described internal tank comprises a plurality of spaces or aperture, belongs to an open cell structure.Above-mentioned a plurality of space or aperture form many open cell, can allow outside air to enter, and to form isolation layer, therefore biodegradable vessel of the present invention has splendid thermal resistance and heat retaining property.In addition, because biodegradable vessel of the present invention belongs to the open cell structure, have many open cell in its structure, has preferable hygroscopic character, for avoiding using the food of case to make moist, therefore biodegradable vessel of the present invention more comprises coffee grounds, utilizes natural material to have the characteristic of suction and elimination peculiar smell, to increase the practicality and the durability of biodegradable vessel.
The invention has the advantages that and the invention provides the decomposable food container of a kind of biology, utilize native starch as primary raw material, make food container, to replace the deserted food container of tradition, for example Styrofoam or various plastic container, this food container has moistureproof ability, thermal resistance and heat retaining property, and it can decompose rapidly when abandoning to soil, and then the reduction environmental pollution, reach the environmental protection effect.
Another advantage of the present invention is to provide a kind of biodegradable vessel with high strength and high tenacity, so that better protective capability to be provided.
Another advantage of the present invention is that the present invention utilizes unartificial yeast as one of raw material, make food container with the foaming effect that increases starch mixture, it is a kind of natural foaming technique, compared to traditional industrial foam agent, the present invention discloses the more environmental protection and more can avoid container to suffer the pollution of the issuable toxic substance of industrial foam agent of yeast leavening technology.Other utilizes coffee grounds as one of raw material, but with protection against the tide that increases the biology decomposition of the mixture and the characteristic of eliminating peculiar smell.
Another advantage of the present invention is the disclosed biodegradable vessel of the present invention, made food container has open cell (open cells) structure, it mixes resulting micromechanism by starch with cellulose, wherein there is at least one open cell of open cell system and vicinity more than 80% to be connected with each other approximately, the sizableness of each open cell, be the open cell structure of homogeneous, make container provided by the present invention have the existing better permeability to air of container, and the intensity of container be also better.
The above in order to illustrate purpose of the present invention, reach this purpose technological means, with and the advantage that produces or the like.And the present invention can and follow back accompanying drawing formula to make the reader be known understanding from the narration of following preferred embodiment.
Description of drawings
Fig. 1 is the structural representation of biodegradable vessel of the present invention;
Fig. 2 is the structural representation of another embodiment of biodegradable vessel of the present invention.
Description of reference numerals:
12 substrates
14 adhesion layers
16 surface films
The specific embodiment
The present invention will be narrated with preferred embodiment and viewpoint, and this type of narration is to explain structure of the present invention and step, only in order to explanation but not in order to limit claim of the present invention.Therefore, the preferred embodiment in specification sheets, the present invention also can extensively be rendered among other embodiment.
At first introduce among the present invention the raw material in order to the preparation biodegradable vessel, its main component comprises starchy material, cellulose, elasticizer, hydrate, inorganic powder extending agent and other shaping assistant or the like.Wherein, the present invention can use but not limit various starch, can be divided into cereal or potato thing haply, and cereal comprises rice, wheat, corn or other natural cereal, and the potato thing comprises cassava, sweet potato, potato or other natural potato class plant.Remove cereal or potato beyond the region of objective existence, starch also can comprise the plant that other contains starchy material.Starchy material accounts for this overall part by weight greater than 45% and less than percent 90% among one of the present invention embodiment.But because starchy material natural decomposition, and can not produce poisonous pollution after decomposing, starchy material is inner behind work programme again can produce a plurality of spaces or aperture, and formation open cell structure causes main body to have preferable thermal resistance or hinders cold performance, has the effect of insulation or cold insulation simultaneously.
The raw material of biodegradable vessel of the present invention comprises at least a cellulose, it can comprise wooden candy matter cellulose or herbaceous stem cellulose etc., more can be carbon fiber, glass fibre, macromolecular fibre in addition, or the cellulose of aspect ratio (aspect ratio) greater than 20, preferable but be not defined as wooden candy matter vegetable fibre, also can mix the cellulose that uses more than one, the purpose of its interpolation is the mechanical strength of reinforcement material.Among one of the present invention embodiment, the length of herbaceous stem fiber is greater than the length of wooden candy matter vegetable fibre, and the weight of above-mentioned two kinds of vegetable fibres is preferably greater than 5% and less than 25% with the percentum that accounts for the raw material total weight, so as to providing this biodegradable vessel higher mechanical strength.
The raw material packet of biodegradable vessel of the present invention contains hydrate, and it is a kind of white particle crystal or crystalline powder, uses so that the color of container base is white partially, to increase the application of container.Another effect of hydrate can discharge hydrone in heat process, be beneficial to produce in the substrate space, forms the open cell structure of substrate.Hydrate of the present invention comprises various hydrates, for example aluminium trihydrate (aluminum trihydrate), magnesium carbonate (MgCO
3), magnesium hydroxide (Mg (OH)
2), sodium carbonate (Na
2CO
3), aluminium nitrate (Al (NO
3)
3), zinc sulphate hydrate (ZnSO
47H
2O), aluminium hydroxide (Al (OH)
3) and calcium carbonate (CaCO
3) in one or more combination in any.Use aluminium hydroxide (Al (OH) among one of the present invention embodiment
3
The raw material of biodegradable vessel of the present invention comprises elasticizer, and it can comprise food stage methylcellulose, natural rubber and neoprene, to increase the toughness of substrate.
The raw material of biodegradable vessel of the present invention comprises the inorganic powder extending agent, and it breaks away from the easness of heating mould in order to increase, and increases the foamed gas space, that is increases the homogenieity of foaming, more can increase the mechanical strength of formed body.Inorganic powder extending agent of the present invention comprises french talc, sand, gravel, rock, limestone, sandstone, beaded glass, mica, clay, kaolin, synthetic clay, silica, fly ash, quartz glass, corundum, microballoon, calcium sulphate dihydrate, calcium aluminium, not hydrated cement particle and hydrated cement particle.In one embodiment of the invention, the inorganic powder extending agent is french talc (calcium magnesium silicate, Mg
3[Si
4O
10] (OH)
2), because it has lubricity, anti-sticks, helps stream, fireproofness, resistance to acid, and it has various physical properties such as high melting point, therefore as the inorganic powder extending agent, thermal resistance and intensity with lifting container, and increasing substrate hot forming step, its content accounts for the raw material gross weight and is preferably greater than 5% and less than 50%.
Shaping assistant of the present invention comprises food stage calcium sulphate or magnesium sulphate, and the calcium carbonate material, and as dolomite, the main purpose of its interpolation is to increase starch and produces bridging property in heat process, helps the carrying out of gelatinization processing procedure.The part by weight that the composition of shaping assistant accounts for this raw material is preferably greater than 0.2% and less than 2%.
The process of purchasing of the present invention need be added saccharomycete, it is a kind of unicellular fungi, it can partly be converted into carbon dioxide with the carbohydrate in the starch via the prior fermentation reaction, so as to producing a plurality of apertures, and form a foaming body structure, wherein, saccharomycetic content accounts for the raw material gross weight and is preferably greater than 0.2% and less than 2%.
More can comprise various spices or other interpolation cmpd in the raw material of the present invention, for example can add the natural materials such as essential oil, pericarp or coffee grounds of various fragrance, this material can add according to the personal like, but does not limit.Wherein said spices comprises bergamot, cdear, the Rome chamomile, lemongrass, Clary Sage, cypress, the oil markon, fennel, frankincense, ginger, grape fruit, lemon grass (Cymbopogon citratus), rose, bay, balm, marjoram, fish pelargonium, benzoin, pomegranate leaf, niaouli, rosemary,, pot marigold, flores aurantii, jasmine, sweet orange, rosewood, palmarosa, orange, marigold, hyacinth, cloves, coriander, santal, Pogostemon cablin Du, pine nut, lime, lavender, Herba Lysimachiae foenumgraeci, Petitgrain, tea tree, lavender, lemon Jiang Ginseng, cus-cus, thyme or tealeaves.
Because the primary raw material of biodegradable vessel of the present invention is a starchy material, this material needs through heating gelatinization program.Therefore the present invention must add various spices as one of raw material, is biology decomposition of the mixture composition but form, but can influence the high strength and the high tenacity of made container because of spices.
In the another embodiment of the present invention, but its biology decomposition of the mixture more can comprise coffee grounds.Coffee grounds is the resistates under the coffee bean that boiled is remaining, and its essence should belong to a kind of vegetable fibre, has the characteristic of eliminating peculiar smell, preventing insect pest and absorption moisture.Early stage institute develop biology and can decompose food container, because of easy generation peculiar smell can't store or easily attracts insect.Therefore, in the container stock of the present invention, except that the composition shown in the embodiment, more comprise coffee grounds, but can effectively improve the shortcoming that the traditional biological decomposition container has peculiar smell and attracts insect pest easily, more convenient and safety in the use.Therefore more because coffee grounds is a kind of natural material, but except that be the complete biology decomposing material, though boiled, residual fraction nutrient still in the coffee grounds is therefore after container is discarded, can direct as fertilizer sources use.
In the embodiments of the invention, but utilize above-mentioned biology decomposition of the mixture to be made into various container, this container has high strength and high tenacity, so the various article of splendid attire, particularly can be in order to splendid attire food, and its method for making is as described below.At first, dry a plurality of plant cellulose materials, because above-mentioned cellulosic material is laminar, it can utilize baking or heating device to heat above-mentioned cellulosic material, obtains dry and pure cellulosic material so as to evaporating its internal moisture.Then, take out the above-mentioned plant cellulose material of stripping, because laminar cellulosic material is formed by a large amount of elongated strip celluloses.Can utilize the equipment that reels off raw silk from cocoons that this laminar cellulosic material is separated into the cellulose of a plurality of elongated strips, and the whole sight of the cellulose after separating as the cotton, constituted by a large amount of very thin silks.This step can use the colored step of disappearing of traditional cotton processing mode to carry out.Its main purpose is cellulosic material is separated into fully than subsection, conveniently to make an addition in the starch kind material raw material.
Continue, the cellulose of taking out after the stripping is mixed with starchy material, inorganic powder extending agent, shaping assistant, elasticizer, hydrate and a spices, but form biology decomposition of the mixture of the present invention.Wherein starch is main composition in the disclosed biodegradable vessel of the present invention, the inorganic powder extending agent is then in order to the thermal resistance and the mechanical strength of lifting container, space with filled with starch storeroom connectivity deficiency, elasticizer is in order to increase the toughness of material, avoids tool fragility after the substrate moulding and embrittlement.Saccharomycete that is added and hydrate in order to quicken fermentation and because of heating the back when discharging hydrone and making substrate hot forming of the present invention, more can be effective in inner most spaces or the aperture of producing, form starch foam.Right above-mentioned saccharomycete is possibility approach exhaustion or remaining limited amount in sweat, though if do not observe saccharomycete in a potential infringement thing, certainly when not getting rid of infringement possibility of the present invention.Then, stir above-mentioned raw materials, it can utilize machinery or manually stir above-mentioned biology and can decompose raw material, but the biology decomposition of the mixture can evenly be mixed.In this step, the time and the mode of stirring do not limit, as long as various compositions can evenly mix.
Then, but add liquid in the biology decomposition of the mixture, continue simultaneously to stir the mixture, make raw material form a paste.In the embodiments of the invention, liquid is normal temperature liquid, is preferably water, also can be the liquid with spices, for example can use the liquid with essential oil.Add liquid volume qualification is not arranged, its purpose is to make raw material form colloid or paste by adding liquid and evenly stirring, its body does not have fixing.Above-mentioned paste is heated to gradually 70 ℃-100 ℃ thereupon, and continues to stir paste simultaneously.This purpose is to make the inside of starch mixture to have a plurality of spaces or aperture, and forms starch foam.The volume summation of these a plurality of spaces or aperture is with respect to the volume summation ratio of this food container, and less than 50%, the volume summation of food container comprises the volume summation in this main body and in-to-in space thereof greater than 5%.But owing to needing to add saccharomycete in the process of purchasing biology decomposition of the mixture of the present invention, and saccharomycetic survival temperature is 30 ℃-40 ℃, therefore type of heating can be the two-period form heating, can earlier paste be heated to 30 ℃-40 ℃, and after keeping uniform temperature to continue for some time, carry out heating schedule to 70 ℃-100 ℃ once more, main purpose is to make saccharomycetes to make fermentation, makes the carbohydrate composition of starch mixture, glucose for example, be converted to alcohol and carbon dioxide, and the carbon dioxide that discharges, so that paste expands, and a plurality of spaces or the aperture that produce, in paste inside, therefore described a period of time does not limit, as long as make saccharomycetes to make fermentation.Through this program, above-mentioned saccharomycete may approach exhaustion.
Afterwards, above-mentioned paste is placed a mould, so as to solidifying this paste to form a container.Particularly, heating one mould makes its temperature be higher than 150 ℃ earlier, is preferably temperature between 180 ℃ to 200 ℃, then above-mentioned colloid is positioned in this die material, utilizes high temperature to make above-mentioned paste moulding and curing.At this moment, former a plurality of holes of paste in-to-in or the aperture of being present in will be because of the paste forming and hardening, and is formed at the body interior of container, and then forms a foaming body structure.In the embodiments of the invention, the shape of the mould that uses can be various containers or packing container, for example: cup-shaped, bowl-shape, peviform, disc shape or the like, look the decision of user's demand.
So far, biodegradable vessel of the present invention can be provided with the surface of a surface film in biodegradable vessel at last for finishing.Wherein said surface film can utilize diaphragm applying (film lamination) to constitute or coating (coating) preventing water coating constitutes.Wherein this diaphragm can be biology and can divide degrading film, for example: poly(lactic acid) (PLA) film, poly-hydroxyl alkane salt (polyhydroxyalkanoate, PHA) film, but or the film of other biology decomposing material, this material is as: the Biomax 4024PET of E.I.Du Pont Company (Dupont) or the biodegradable Fepol particle of the Far East, Taiwan weaving, biodegradable degradative plastics raw material Ecoflex, the Ecovio of German BASF.Certainly this diaphragm is not also got rid of for using abiotic decomposable material.In the embodiment of the invention, be preferably and use polylactic acid film in the surface of said vesse, particularly the surface of the inside face of container or splendid attire food is beneficial to splendid attire flowing material (for example: water, soup, beverage or the like), can prevent the fluid permeability substrate of container so far in the container.In one embodiment of the invention, surface film is to utilize the mode of vacuum overlay film can divide degrading film to be attached to the surface of container above-mentioned biology.The present invention also can use other film mulching method, for example sprays various film mulching methods such as overlay film, viscose attaching or vacuum sputtering.Another embodiment of the present invention is sprayed at the surface of container for using coating (coating) mode with a preventing water coating, and carries out drying to constitute a surface film.
See also Fig. 1, be the structural representation of biodegradable vessel of the present invention.As shown in the figure, container of the present invention comprises a substrate 12 and a surface film 16.In the another embodiment of the present invention, described container more can comprise an adhesion layer 14 and be formed between surface film 16 and the substrate 12, as shown in Figure 1.In addition, see also Fig. 2, be the structural representation of the biodegradable vessel of another embodiment of the present invention.As shown in the figure, but described surface film 16 overlay films in the two sides of substrate 12.Those skilled in the art should know easily, and among the embodiment as Fig. 2, described structure of container more can comprise an adhesion layer 14 and be formed between surface film 16 and the substrate 12.
The present invention utilizes the maturing process of starch, reaches natural foaming effect, more can further utilize saccharomycete to increase foaming effect, and need not utilize traditional industrial foam technology (for example Styrofoam), and then reach environmental protection, zero purpose of polluting.In addition, because foaming structure can effectively intercept heat energy, so can make and utilize this container to possess good thermal resistance.Moreover, because the present invention utilizes the cellulose of a large amount of elongated strips to be doped in the starch mixture, thus the physical strength and the toughness of container can be strengthened, and then obtain the biodegradable vessel of high strength and high tenacity.
A kind of biodegradable vessel with open cell structure is provided in one embodiment of the invention.So-called open cell structure refers to have many trickle air chambers in the inside of vessel, and it can allow outside air to enter, to form isolation layer; And closed foaming structure refers to that promptly each bubble of body interior all is individual and sealing, not tool suction and permeability to air.Compared to closed foaming structure, the open cell structure has ventilative and can effectively form thermal isolation layer, effectively thermal resistance and insulation.In the open cell of the present invention, there are 80% open cell system and at least one open cell of vicinity to be connected with each other approximately, the sizableness of each open cell have the existing better permeability to air of container for the open cell structure of homogeneous makes container that the present invention discloses, and vessel strength is also better.In addition, open cell structure of the present invention has preferable permeability for gas (air permeability).Permeability for gas of the present invention is greater than 0.001 darcy (Darcies), be to use the gas permeation analyser (gas permeameter) of U.S. aerated materials company (Porous Material Inc.) to measure, therefore can get the made container of material of the present invention, have good permeability for gas, the container after can effectively quickening to use carries out biological decomposition.In addition, the open cell structure has preferable hygroscopic character, because the made biodegradable vessel of the present invention is utilize to absorb the moisture of soil and occurring in nature and decomposed, so container of the present invention has preferable Biodegradable.
Above-mentionedly be stated as preferred embodiment of the present invention.Those skilled in the art are deserved to be in order to explanation the present invention but not in order to limit the patent right scope that the present invention was advocated to understand it.Its scope of patent protection when on claims and etc. same domain decide.Those skilled in the art are not in breaking away from this patent spirit or scope, and change of being done or retouching all belong to the equivalence of being finished under the disclosed spirit and change or design, belong to protection scope of the present invention.
Claims (26)
1. but a biology decomposition of the mixture is characterized in that, comprises:
Starchy material;
At least a cellulose;
At least a inorganic powder extending agent;
At least a hydrate;
Shaping assistant;
At least a elasticizer; And
Spices or coffee grounds;
But wherein should comprise a plurality of open cell by the biology decomposition of the mixture.
2. but biology decomposition of the mixture as claimed in claim 1 is characterized in that, described open cell is to utilize saccharomycete to carry out prior fermentation and described hydrate to discharge the hole that hydrone forms constitute in heat process.
3. but biology decomposition of the mixture as claimed in claim 1 is characterized in that, described at least a elasticizer comprises one or more combination in any in food stage methylcellulose, natural rubber or the neoprene.
4. but biology decomposition of the mixture as claimed in claim 1 is characterized in that, described at least a hydrate is granule crystal or crystalline powder.
5. but biology decomposition of the mixture as claimed in claim 4, it is characterized in that described at least a hydrate comprises one or more combination in any in aluminium trihydrate, magnesium carbonate, magnesium hydroxide, sodium carbonate, aluminium nitrate, zinc sulphate hydrate, aluminium hydroxide or the calcium carbonate.
6. but biology decomposition of the mixture as claimed in claim 1, it is characterized in that described at least a inorganic powder extending agent comprises french talc, sand, gravel, rock, limestone, sandstone, beaded glass, mica, clay, kaolin, synthetic clay, silica, fly ash, quartz glass, corundum, microballoon, calcium sulphate dihydrate, calcium aluminium, one or more combination in any in hydrated cement particle and the hydrated cement particle not.
7. but biology decomposition of the mixture as claimed in claim 1, it is characterized in that described spices comprises bergamot, cdear, the Rome chamomile, lemongrass, Clary Sage, cypress, the oil markon, fennel, frankincense, ginger, grape fruit, lemon grass (Cymbopogon citratus), rose, bay, balm, marjoram, fish pelargonium, benzoin, pomegranate leaf, niaouli, rosemary,, pot marigold, flores aurantii, jasmine, sweet orange, rosewood, palmarosa, orange, marigold, hyacinth, cloves, coriander, santal, Pogostemon cablin Du, pine nut, lime, lavender, Herba Lysimachiae foenumgraeci, Petitgrain, tea tree, lavender, lemon Jiang Ginseng, cus-cus, one or more combination in any in thyme and the tealeaves.
8. but biology decomposition of the mixture as claimed in claim 1 is characterized in that, described shaping assistant comprises one or more combination in any in food stage calcium sulphate, food stage magnesium sulphate and the calcium carbonate material.
9. but biology decomposition of the mixture as claimed in claim 1 is characterized in that, is 45% to 90% but described starchy material accounts for the percentum of biology decomposition of the mixture total weight.
10. but biology decomposition of the mixture as claimed in claim 1 is characterized in that, but the percentum of the described biology decomposition of the mixture of described at least a cellulose comprises total weight is 5% to 25%.
But 11. biology decomposition of the mixture as claimed in claim 1 it is characterized in that, but the percentum that described at least a inorganic powder extending agent accounts for described biology decomposition of the mixture total weight is 5% to 50%.
But 12. biology decomposition of the mixture as claimed in claim 1 it is characterized in that, be 0.2% to 2% but described shaping assistant accounts for the percentum of biology decomposition of the mixture total weight.
But 13. biology decomposition of the mixture as claimed in claim 1 it is characterized in that, but the permeability for gas of described biology decomposition of the mixture is greater than 0.001 darcy.
But 14. a biology decomposition of the mixture it is characterized in that, comprise:
Starchy material;
At least a cellulose;
At least a elasticizer;
At least a inorganic powder extending agent;
At least a hydrate;
Shaping assistant;
But wherein should comprise a plurality of open cell by the biology decomposition of the mixture.
15. but as biology decomposition of the mixture as described in the claim 14, it is characterized in that, comprise a spices, this spices comprises bergamot, cdear, the Rome chamomile, lemongrass, Clary Sage, cypress, the oil markon, fennel, frankincense, ginger, grape fruit, lemon grass (Cymbopogon citratus), rose, bay, balm, marjoram, fish pelargonium, benzoin, pomegranate leaf, niaouli, rosemary,, pot marigold, flores aurantii, jasmine, sweet orange, rosewood, palmarosa, orange, marigold, hyacinth, cloves, coriander, santal, Pogostemon cablin Du, pine nut, lime, lavender, Herba Lysimachiae foenumgraeci, Petitgrain, tea tree, lavender, lemon Jiang Ginseng, cus-cus, in thyme and the tealeaves one or more are any.
16. but biology decomposition of the mixture as claimed in claim 14 is characterized in that described open cell is utilized saccharomycete to carry out prior fermentation and described hydrate and discharged the hole that hydrone forms constitute in heat process.
17. but biology decomposition of the mixture as claimed in claim 14 is characterized in that described at least a elasticizer comprises one or more combination in any in food stage methylcellulose, natural rubber or the neoprene.
18. but biology decomposition of the mixture as claimed in claim 14 is characterized in that described at least a hydrate is granule crystal or crystalline powder.
19. but biology decomposition of the mixture as claimed in claim 18, it is characterized in that described at least a hydrate comprises one or more combination in any in aluminium trihydrate, magnesium carbonate, magnesium hydroxide, sodium carbonate, aluminium nitrate, zinc sulphate hydrate, aluminium hydroxide or the calcium carbonate.
20. but biology decomposition of the mixture as claimed in claim 14, it is characterized in that described at least a inorganic powder extending agent comprises french talc, sand, gravel, rock, limestone, sandstone, beaded glass, mica, clay, kaolin, synthetic clay, silica, fly ash, quartz glass, corundum, microballoon, calcium sulphate dihydrate, calcium aluminium, one or more combination in any in hydrated cement particle and the hydrated cement particle not.
21. biodegradable vessel as claimed in claim 14 is characterized in that, described shaping assistant comprises the calcium sulphate of food stage, the magnesium sulphate of food stage and one or more combination in any in the calcium carbonate material.
But 22. biology decomposition of the mixture as claimed in claim 14 it is characterized in that, be 45% to 90% but described starchy material accounts for the percentum of described biology decomposition of the mixture total weight.
But 23. biology decomposition of the mixture as claimed in claim 14 it is characterized in that, but the percentum of the described biology decomposition of the mixture of described at least a cellulose comprises total weight is 5% to 25%.
But 24. biology decomposition of the mixture as claimed in claim 14 it is characterized in that, but the percentum that described at least a inorganic powder extending agent accounts for described biology decomposition of the mixture total weight is 5% to 50%.
But 25. biology decomposition of the mixture as claimed in claim 14 it is characterized in that, be 0.2% to 2% but described shaping assistant accounts for the percentum of described biology decomposition of the mixture total weight.
But 26. biology decomposition of the mixture as claimed in claim 14 it is characterized in that, but the permeability for gas of described biology decomposition of the mixture is greater than 0.001 darcy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105145117A CN102092525A (en) | 2009-12-10 | 2010-10-13 | Biodegradable mixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910250752.2 | 2009-12-10 | ||
| CN200910250752 | 2009-12-10 | ||
| CN2010105145117A CN102092525A (en) | 2009-12-10 | 2010-10-13 | Biodegradable mixture |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010505513XA Division CN102092524A (en) | 2009-12-10 | 2010-10-13 | Biodegradable container |
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| CN102092525A true CN102092525A (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010505513XA Pending CN102092524A (en) | 2009-12-10 | 2010-10-13 | Biodegradable container |
| CN2010105145117A Pending CN102092525A (en) | 2009-12-10 | 2010-10-13 | Biodegradable mixture |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010505513XA Pending CN102092524A (en) | 2009-12-10 | 2010-10-13 | Biodegradable container |
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| CN (2) | CN102092524A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102993467A (en) * | 2012-11-27 | 2013-03-27 | 常州大学 | Production method of environment-friendly tableware |
| CN105326195A (en) * | 2014-08-12 | 2016-02-17 | 太和生技化妆品有限公司 | Box for accommodating cosmetics |
| CN105566687A (en) * | 2015-03-29 | 2016-05-11 | 上海海三环保科技有限公司 | Degradable starch foaming container |
| CN106280324A (en) * | 2015-05-14 | 2017-01-04 | 特腾绿能科技股份有限公司 | The 3D of tool natural plants fragrance prints by environmental protection adhesive tape and preparation method thereof |
| TWI599598B (en) * | 2016-11-24 | 2017-09-21 | Biodegradable film material and method of making the same | |
| WO2020187032A1 (en) * | 2019-03-20 | 2020-09-24 | 王臻玮 | Starchy container structure having silica gel layer |
| IT202000007519A1 (en) * | 2020-04-08 | 2021-10-08 | Lavazza Luigi Spa | COMPOSTABLE MATERIAL FOR THE PACKAGING OF FOOD PRODUCTS |
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| CN1354197A (en) * | 2001-12-18 | 2002-06-19 | 广东三九生物降解塑料有限公司 | Starch-based biodegradable material and production method of its disposable tableware |
| CN1357562A (en) * | 2001-12-29 | 2002-07-10 | 北京凯奇北方环保材料技术开发有限公司 | Composition for producing foamed plant starch packing material capable of being degraded completely |
| JP2007030309A (en) * | 2005-07-26 | 2007-02-08 | Sanwa Shokai:Kk | Biodegradable laminated film, method for producing the film, and biodegradable container using the film |
| CN101314422A (en) * | 2007-06-02 | 2008-12-03 | 朱秀刚 | Method for producing foam packaging with health care edible function |
| JP4291699B2 (en) * | 2002-02-21 | 2009-07-08 | 日世株式会社 | Biodegradable molding |
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- 2010-10-13 CN CN2010105145117A patent/CN102092525A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1354197A (en) * | 2001-12-18 | 2002-06-19 | 广东三九生物降解塑料有限公司 | Starch-based biodegradable material and production method of its disposable tableware |
| CN1357562A (en) * | 2001-12-29 | 2002-07-10 | 北京凯奇北方环保材料技术开发有限公司 | Composition for producing foamed plant starch packing material capable of being degraded completely |
| JP4291699B2 (en) * | 2002-02-21 | 2009-07-08 | 日世株式会社 | Biodegradable molding |
| JP2007030309A (en) * | 2005-07-26 | 2007-02-08 | Sanwa Shokai:Kk | Biodegradable laminated film, method for producing the film, and biodegradable container using the film |
| CN101314422A (en) * | 2007-06-02 | 2008-12-03 | 朱秀刚 | Method for producing foam packaging with health care edible function |
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| CN102092524A (en) | 2011-06-15 |
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