阅读说明：本技术 加工方法及由此生产的产品 (Processing method and the product thus produced ) 是由 玛蒂娜·祖潘 于 2018-04-05 设计创作，主要内容包括：本发明提供加工壳材料的方法。按照本文公开的方法加工的壳材料可以是可生物降解的,并且可以进一步代表新类型的有用的材料。举例来说,经加工的壳材料可以用作制造有用的材料、物品、物体和/或工具的材料。(The present invention provides the method for processing shell material.It can be useful material that is biodegradable, and can further representing new type according to the shell material that method disclosed herein is processed.For example, processed shell material may be used as manufacturing the material of useful material, article, object and/or tool.)

1. a kind of processing shell waste material the described method comprises the following steps with providing the method for Biodegradable material:

A) the shell waste material is granulated；

B) granulation shell waste material is made to contact with adhesive；And

C) the dry granulation shell waste material/binder combination；

It is wherein Biodegradable material by dry mixture.

2. according to the method described in claim 1, wherein step a) further includes by being granulated shell waste material described in particle size separation.

3. method according to claim 1 or 2, wherein the granulation shell waste material includes particle of the size less than 200 μm.

4. method according to claim 1 or 2, wherein the granulation shell waste material includes particle of the size less than 124 μm.

5. method according to claim 1 or 2, wherein the granulation shell waste material includes particle of the size less than 74 μm.

6. method according to claim 1 or 2, wherein the granulation shell waste material is included in < 53 μm, 54-74 μm, 75-124 μm, the granularity in 125-249 μm of any range.

7. method according to any preceding claims, wherein the method also includes using flowable.

8. according to the method described in claim 7, wherein the granulation shell waste material and described adhesive further with the flowing Agent contact.

9. according to the method described in claim 7, wherein described adhesive includes the flowable.

10. according to the method described in claim 9, wherein the granulation shell waste material and including described adhesive and the flowable Composition contact.

11. the method according to any one of claim 7-10, wherein the flowable is water.

12. method according to any preceding claims, wherein described adhesive is provided in the form of suspension.

13. according to the method for claim 12, wherein the granulation shell waste material is contacted with described adhesive suspension.

14. method according to any one of claims 1-7, wherein by the granulation shell waste material before contact procedure b) It is prepared into suspension.

15. according to the method for claim 14, wherein the granulation shell waste suspensions are contacted with described adhesive.

16. method according to any preceding claims, wherein the method includes molding process.

17. according to the method for claim 15, wherein the molding process is before drying steps c) and/or period is sent out It is raw.

18. method described in any one of 6 or 17 according to claim 1, wherein the molding process is by processed shell waste material It is molded as predetermined shape.

19. method according to any preceding claims, wherein drying steps c) includes filtering, freeze-drying and/or sky Gas is dry.

20. method according to any preceding claims, wherein the shell waste material includes eggshell and/or langoustine shell.

21. method according to any preceding claims, wherein described adhesive is biodegradable based on fibrinogen Or the material of fiber.

22. according to the method for claim 21, wherein the biodegradable material based on fibrinogen or fiber is Based on cellulose.

23. according to the method for claim 22, wherein the material based on cellulose is nano-cellulose.

24. according to the method for claim 23, wherein the nano-cellulose be cellulose microfibril (CMF) and/or Cellulose nanofibril (CNF).

25. method according to any preceding claims, wherein shell waste material: the ratio of adhesive is 5:1,4:1,3:1,2: 1,1:1,1:2,1:3,1:4 or 1:5.

26. method according to any preceding claims, wherein shell waste material: the ratio of adhesive is 3:1.

27. method according to any preceding claims, wherein the method includes adding dyestuff or colorant in addition Step.

28. according to the method for claim 27, wherein adding the colorant or dyestuff after drying steps c).

29. the method according to any one of claim 27 or 28, wherein the colorant is naturally occurring colorant.

30. method according to any preceding claims, wherein hydrophobic coating is coated to the Biodegradable material On.

31. according to the method for claim 30, wherein the hydrophobic coating is biological plastics.

32. according to the method for claim 31, wherein the biological plastics is polylactic acid.

33. method according to any preceding claims, wherein the method is not needed using packing material, inorganic carbonate Salt, clay and/or cinder.

34. method according to any preceding claims, wherein the method do not need using dispersing agent, maleic acid and/ Or citric acid.

35. method according to any preceding claims, wherein the method is not needed using synthetic calcium carbonate, natural mill The calcium carbonate that broken calcium carbonate or surface are modified.

36. method formation according to any preceding claims or obtainable object or article.

37. object according to claim 36 or article, wherein the object or article are selected from the group being made up of Object or article:

(i) tableware；

(ii) packaging and/or lapping；

(iii) insulating materials；With

(iv) cosmetics.

Invention field

The present invention provides for processing shell material method and resulting new material.The present invention relates to generate newly The method of Biodegradable material, the Biodegradable material is by biodegradable based on fibrinogen (fibril-) or fibre Tie up (fibre-) adhesive and be based primarily upon calcium carbonate raw material composition, the raw material serve as gather materials (aggregate) and Mechanical strength is provided.

Background of invention

Calcium carbonate, and can be at various useless byproducts (such as useless eggshell, useless shell, shrimp etc.) in nature rich content Middle discovery, and be often dropped without making full use of its potentiality.

It is attributed to current laws and rules, these shell classes are given up many (such as eggs from egg processing industry in byproduct Shell waste material) all handled in refuse landfill.This is problematic, because garbage loading embeading processing is expensive and has to environment Evil.Therefore, the useless byproduct of potential high value shell class is endangering environment.It is estimated that in Britain, was consumed in 2016 and be more than 12500000000 birds, beasts and eggs.Estimate only 23% being processed in these eggs.The average weight of eggshell was 6g, it means that in 2016 It is more than that 17,000 tonnes of eggshell waste materials are sent to refuse landfill in Britain.

The processing of shell waste material to refuse landfill can be reduced or even eliminated in the present invention.When grinding, any main base It can be used for the present invention in the material or byproduct of calcium carbonate.

Summary of the invention

The present invention is based on the exploitations of the method for processing shell material.

Disclosed method, which may be used to shell material (such as shell waste material), becomes biodegradable.

Specifically it has been found that the method including being granulated shell material and adding adhesive, which produces, biological to drop The material of solution.In addition, there are a variety of applications using the material that any method as described herein generates.For example, processed shell material Material (processed material is also possible to biodegradable) can be used for manufacturing a variety of different articles, object and/or tool, Including such as tableware, packaging, insulating materials and/or cosmetics.

In a first aspect, the described method comprises the following steps the present invention provides a kind of method for processing shell material:

A) shell material is granulated；

B) granulation shell material is made to contact with adhesive；And

C) dry granulation shell material/binder combination；

Wherein the product of step (c) is processed shell material.

Processed shell material (i.e. the product of method and step (c)) can represent the useful material of new type.Citing comes It says, processed shell material may be used as manufacturing the material of useful material, article, object and/or tool.

Processed shell material can be biodegradable.

Therefore, method according to the first aspect of the invention can provide processing shell waste material to form Biodegradable material Method, the described method comprises the following steps:

A) shell material is granulated；

B) granulation shell material is made to contact with adhesive；And

C) dry granulation shell material/binder combination；

Wherein the product of step (c) is Biodegradable material.

In second aspect, formed the present invention provides method according to the first aspect of the invention or obtainable useful Material and/or Biodegradable material.

As described above, can have a variety of applications according to material prepared by method described herein, and therefore, third party Face provides the material that (i) is formed via method according to the first aspect of the invention or (ii) and is used according to the material of second aspect In the purposes of manufacture object, article and/or object.

For example, by method described herein provide material can be used for manufacturing tableware, packaging material, insulant and/ Or product used for cosmetic and/or accessory.

It should be noted that throughout the specification, term " includes " is for indicating that embodiment of the present invention " comprising " is mentioned The feature arrived, and therefore can also include other features.However, in the context of the present invention, term " includes " can be with Cover the embodiment of " being substantially made of correlated characteristic " or " being made of correlated characteristic " wherein of the invention.

It is formed the method for the present invention includes two program steps, substantially by two program steps or by two program steps Composition: wherein by shell material (" gathering materials ") granulated first step；And make to be granulated the second step that shell material contacts with adhesive Suddenly.The product of the two steps is the slurry or mixture (granulation shell material that can be molded as or operate into specific shape or form Material/binder combination).Method of the invention can also include third step, wherein shell material/binder combination will be granulated Drying is to form processed shell material.The advantage related to method described herein includes that (this method includes only 2-3 to simplicity A step is substantially made of only 2-3 step or is made of only 2-3 step) and low cost.

Another advantage of disclosed method is that one kind is only needed to gather materials (granulation shell material).This represent to existing skill The improvement of art method, art methods usually require to gather materials using other, such as packing material, such as inorganic carbonate, Clay or cinder.Other such component can not be needed.In addition, method of the invention can not needed using dispersion Agent, such as maleic acid or citric acid.

Method of the invention can provide method of the processing shell material to form Biodegradable material.It is used herein Term " biodegradable " means that the material without artificial chemistry product or method can be decomposed in the environment.For example, passing through this The Biodegradable material that method described in text provides can pass through the microorganism such as work of bacterium, fungi or other biological means With carrying out compost and/or decomposition.It can recycle and/or be used as by the Biodegradable material that method disclosed herein generates Fertilizer.

Term " shell material " includes such as eggshell and body shell (such as ectoskeleton) material.The feature of shell material can be to show The calcium carbonate components of work, for example, for method of the invention shell material can containing at least about 30%, 40%, 50%, 60%, 70%, 80%, 90%, 95%, 99% or 100% calcium carbonate.Available shell material can not include or including synthesis The modified calcium carbonate in the calcium carbonate of form, the calcium carbonate naturally ground or surface.In the context of the present invention, term " about " can +/- 1%, 2%, 3%, 4% or 5% calcium carbonate content in shell material to refer to any given type.Term shell material can To include such as shell waste material.This includes from egg (eggshell waste material), crustacean (crustacean) and mollusk (mollusc) (including for example langoustine (langoustine), prawn (prawn), oyster (oyster), mussel (mussel), Snail etc.) useless shell material.Available eggshell can derive from the egg of any egg-laying animal.As described above, eggshell may include (or having a large amount of) calcium carbonate content.In general, eggshell comes from birds, beasts and eggs or reptile eggs.In general, eggshell comes from birds, beasts and eggs, preferably From poultry.Term as used herein " poultry " defines raise for its egg, meat or feather any and raises and train birds.Non- limit Property example processed includes chicken, duck, ostrich, goose, rhea (rhea) and quail.

Body shell can be obtained from any animal with ectoskeleton.Available body shell can be from commonly referred to as shellfish (shellfish) it is obtained in the ectoskeleton of aquatic crustacean or aquatic mollusk.Term " shell (seashell) " is used In the ectoskeleton for defining aquatic mollusk, therefore shell is in the range of as used herein term " body shell ".It is such Aquatic crustacean and molluscan non-limiting example include lobster (lobster), crab, cray (crayfish), right Shrimp (also referred to as shrimp), oyster, mussel, clam (clam), moth spiral shell (whelk) and shore spiral shell (winkle).Also terrestrial first can be used Shell animal and molluscan body shell, non-limiting example are hodmadods.In general, body shell comes from crustacean (usually lobster) Ectoskeleton.

In preferred embodiments, shell material includes eggshell or the body shell from langoustine.Preferably, the eggshell comes From birds, beasts and eggs.

Shell material for method described herein may include one or more different types of shell materials.For example, shell Material substantially only can form (or being only made of eggshell material) by eggshell material, or may include eggshell material and body shell The combination of material.

Shell material can be useless shell material.For example, shell material may include eggshell waste material.

According to the method for first aspect need that shell material (such as eggshell waste material) is carried out shell material being reduced to particle Process or scheme.In other words, shell material can be processed by granulation.Therefore, shell material is by " granulation ".It is granulated shell material " particle " can also be referred to as in itself.It may be desirable to use with particular particle size or size range for disclosed method Granulation shell material.Therefore, the particle (or particle) of shell material will can be granulated (the disclosed method the step of before (b)) Separate or be categorized into different particle or size.Any step for being granulated shell material separation or classification can be used into sieve Type device carries out, and the sieve mesh of the sieve-type device allows the particle of specific (predetermined) size to pass through.

Granulation step can provide granulation shell material, which includes the particle or particle of shell, size (example Such as, the largest particles diameter or length) it is about 1 μM (i.e. 1 micron) to about 1000 μM (i.e. 1000 microns).Granularity can also be referred to as " particulate class ".For example, granulation shell material may include full-size be about 5 μm, 10 μM, 15 μM, 20 μM, 25 μM, 30 μM, 35 μM、40μM、45μM、50μM、55μM、60μM、65μM、70μM、75μM、80μM、90μM、100μM、150、200μM、250μM、 300μM、350μM、400μM、450μM、500μM、550μM、600μM、650μM、700μM、750μM、800μM、850μM、900μM Or 950 μM of particle or particle.Method disclosed herein cannot use the granulation of granularity (such as diameter or length) less than 1 μM Shell material.Being granulated shell material may include a certain range of particle or particle size.For example, it is granulated shell material (such as shell Waste material) may include with following size (size refer to granulation shell in particle or particle diameter or length) particle or Grain:

(i)<53μM

(ii)54-74μM；

(iii)75-124μM；

(iv)125-249μM；

(v)250-499μM；Or

(vi)>500μM。

The size of the particle and/or particle that are granulated shell material can be less than 200 μM.

The size of the particle and/or particle that are granulated shell material can be in the range of 54-249 μM.

It therefore, for the granulation shell preparation of any method as described herein may include the particle of single uniform-dimension or micro- Grain (size that any of them gives particle or particle is essentially identical in certain predetermined tolerance -1 μM for example +/-, 2 μM, 3 μM, 4 μM, 5 μM, 6 μM, 7 μM, 8 μM, 9 μM, 10 μM, 15 μM, 20 μM, 25 μM, 30 μM, 35 μM, 40 μM, 45 μM or 50 μM).Alternatively Ground may include the particle or particle of different size ranges for the granulation shell prepared product of any method as described herein.As above Described, the range of particle or particle size can extend to the scheduled upper limit from scheduled lower limit.The skilled person will understand that required Particle or particle size can depend on the required characteristic-of Biodegradable material for example, the material with smooth feeling can be with Relatively small particle (or particle) size (for example, the shell material for being granulated into 53 μM of granularities below) is needed, and is had thick The Biodegradable material of rough sense or uneven sense can need relatively large granularity (for example, being granulated into 54 μM or more of grain The shell waste material of degree).

Adhesive is will to be granulated the reagent that shell material keeps together.Adhesive may include it is some form of can biology drop The material based on fibrinogen and/or fiber of solution.As described above, define can for term as used herein " biodegradable " The substance decomposed by living organism." fibrinogen " means thin filament.The natural adhesive based on fibrinogen or fiber It can almost be found in all living organisms, and be renewable resource abundant.Biodegradable fiber it is unrestricted Property example includes cellulose, chitin/chitosan, collagen, wool and silk.Adhesive can be cellulose or comprising fiber Element.For example, adhesive may include " nano-cellulose ".Adhesive may include cellulose microfibers/fibrinogen (CMF), fibre Tie up plain nanofiber/fibrinogen (CNF), nanocrystalline cellulose, Nano bacteria cellulose and/or some combinations.

Adhesive can be prepared for use as the solution (or composition) comprising adhesive and diluent or excipient.For example, Adhesive can be prepared as to 0.1%, 0.5%, 1%, 2%, 3%, 4%, 5%, 6%, 7%, 8%, 9%, 10%, 15%, 20%, 25%, 30%, 35%, 40%, 45%, 50%, 55%, 60%, 65%, 70%, 75%, 80%, 85%, 90%, 95%, i.e. a certain amount of adhesive (n parts) of 96%, 97%, 98%, 99% solution-and a certain amount of diluent or excipient (100-n parts) mixing.For example, adhesive can be made to 1% solution-i.e. by 1 part of adhesive and 99 parts of diluents or figuration Agent mixing or combination.The binder solution (composition or mixture) of preparation can be referred to as adhesive stock solution.

Make to be granulated the step of shell waste material contacts with adhesive to may include making to be granulated shell waste material and the storage of a certain amount of adhesive Standby solution contacts.

Allow to be granulated shell waste material the step of contacting with adhesive carries out according to certain estimated rate, wherein the ratio according to The Mass Calculation (i.e. by weight) of material therefor.For example, (it can optionally be stored up with adhesive for granulation shell waste material and adhesive The form of standby solution provides) it can combine as follows:

(i) 1 part of granulation shell waste material and 1 part of adhesive；

(ii) 1 part of granulation shell waste material and 2 parts of adhesives；

(iii) 1 part of granulation shell waste material and 3 parts of adhesives；

(iv) 1 part of granulation shell waste material and 4 parts of adhesives；

(v) 1 part of granulation shell waste material and 5 parts of adhesives；

(vi) 1 part of granulation shell waste material and 6 parts of adhesives；

(vii) 1 part of granulation shell waste material and 7 parts of adhesives；

(viii) 1 part of granulation shell waste material and 8 parts of adhesives；

(ix) 1 part of granulation shell waste material and 9 parts of adhesives；Or

(x) 1 part of granulation shell waste material and 10 parts of adhesives.

Alternatively, being granulated shell waste material and adhesive (it can be provided optionally in the form of adhesive stock solution) can be with Following combination:

(i) 1 part of granulation shell waste material and 1 part of adhesive；

(ii) 2 parts of granulation shell waste materials and 1 part of adhesive；

(iii) 3 parts of granulation shell waste materials and 1 part of adhesive；

(iv) 4 parts of granulation shell waste materials and 1 part of adhesive；

(v) 5 parts of granulation shell waste materials and 1 part of adhesive；

(vi) 6 parts of granulation shell waste materials and 1 part of adhesive；

(vii) 7 parts of granulation shell waste materials and 1 part of adhesive；

(viii) 8 parts of granulation shell waste materials and 1 part of adhesive；

(ix) 9 parts of granulation shell waste materials and 1 part of adhesive；Or

(x) 10 parts of granulation shell waste materials and 1 part of adhesive.

The diluent or excipient for being used to prepare adhesive (deposit) solution may include " flowable ".Flowable can be It is suitable for making to be granulated any solvent that shell material contacts with adhesive.Non-limiting example include water and alcohol (for example, ethylene glycol, Diethylene glycol (DEG), glycerol and ethyl alcohol).In preferred embodiments, flowable is water.It is advantageous using flowable, because it permits Perhaps shell material is effectively dispersed in entire adhesive.Term " stock solution " is wherein dispersed with for definition known herein The liquid of the material (for example, adhesive) of amount.Some in this material can dissolve to form solute.However, it is not necessary to will Such material is dissolved in solution.Some materials can suspend in a solvent, as suspension.

Preferably, it adds binder in flowable to form composition (also referred to as stock solution).It then will granulation Shell material is added in the composition and contacts with adhesive.In general, being comprising adhesive/flowing agent composition composition Suspension.Then granulation shell material is added in the suspension and is contacted with adhesive.In certain embodiments, it is granulated Shell material is usually made into suspension before contacting with adhesive in flowable.In certain embodiments, it will be granulated Before shell material and adhesive are put together, suspension usually is made in the two in flowable.

As described above, granulation shell material may include granulation eggshell, substantially be made of granulation eggshell or by granulation eggshell Composition, and adhesive may include (nanometer) cellulose microfibers/fibrinogen, substantially by (nanometer) cellulose microfibers/ Fibrinogen is formed or is made of (nanometer) cellulose microfibers/fibrinogen.

Again, the skilled person will understand that, the required final response of Biodegradable material can determine granulation ready for use The exact amount of shell material and adhesive.For example, plastic, flexible and/or mouldable Biodegradable material may include Adhesives more more than granulation shell material number.In contrast, rigidity (ridged) and/or brittle Biodegradable material can Comprising being more granulated shell material than adhesive number.

The inventors discovered that have more be granulated than adhesive number shell material (that is, calcium carbonate is more) can biology Degradable material can be more robustly, and the ratio generation of about 3 parts (+/- 0.5-1) granulation shell materials and 1 part of adhesive is general Biodegradable material.

Granulation shell material is set to contact with adhesive.For example, granulation shell material can be added to or be dispersed in adhesive. Allow to be granulated shell waste material the step of contacting with adhesive is realized by any suitable means, including with hand mixing and/or It uses mechanical mixer mixing (granulation shell waste material and adhesive).The step of making granulation shell waste material contact with adhesive, can be used It is realized based on the oscillator of frequency.

The Biodegradable material for being generated or being produced according to method described herein can be hydrophilic to a certain extent. Hydrophobic coating can be coated on Biodegradable material.For example, Biodegradable material can have hydrophobicity can biology The layer or coating of degradable material-such as biological plastics (for example, polylactic acid PLA).

Method described herein may include that molding process-makes processed shell material progress molding in some way Step.The step of moulding processed shell material can be before the drying process of step (c) and/or period carries out.

It is thin that processed shell waste material can be molded as any suitable form-such as (any suitable size or thickness) Piece is molded as 2D or 3D shape-such as block, ball, letter/number character.Processed shell waste material can be molded as or at Type is at disk (or other certain tableware forms), utensil, tool, packaging, cosmetics, pad etc..

The step of dry processed shell material may include be air-dried, heat drying and/or freeze-drying.In drying In the case that step includes heating, material to be dried can be put into baking oven, and undergo about 20 DEG C, 30 DEG C, 40 DEG C, 50 DEG C, 60 DEG C, 70 DEG C, 80 DEG C, the temperature of 90 DEG C or 100 DEG C reach a period of time for being suitable for the dry material.

Additionally or alternatively, material to be dried can be placed in vacuum to remove moisture.

In addition, drying process may include suppressing (" pressure treatment ") or molding material under stress to remove moisture.

Material to be dried can also carry out moisture removal by permeating or spreading, wherein by (to be dried) relative humidity Material be placed on the second relatively dry and the material of absorbability.Under these conditions, the moisture from material to be dried can By second and the absorption of relatively dry/absorbability material.

Material to be dried can carry out suppressing/undergoing pressure treatment, then by permeating/diffusing into the further moisture of row It removes.Drying can prevent material from crimping and/or rupturing when dry under these conditions.

When drying steps include freeze-drying, granulation shell/binder combination can be freezed, it is dry then to carry out freezing It is dry.

It is dried by freeze-drying and produces " fluffy " material of lightweight.Such material may be used as insulating Material for cosmetics industry (being used as product administration pad/removal pad etc.) or is used as protective package (instead of not biodegradable Packaging material, foam ball, foamed polystyrene (Styrofoam), polystyrene etc.).

Therefore, on the one hand, the present invention provides a kind of processing shell materials to provide the method for insulating materials；The method The following steps are included:

A) shell material is granulated；

B) granulation shell material is made to contact with adhesive；And

C) freeze-drying granulation shell material/binder combination,

Wherein the product of step (c) is insulating materials.

It is also possible to according to insulating materials prepared by the above method biodegradable.

The present invention also provides as described processing shell material to provide insulation obtained by the method for insulating materials Material.

Biodegradable material can colour or dye-i.e. when processing Biodegradable material, it is subjected to wherein add The step of adding dyestuff or colorant.

Can before granulation, during or after dyestuff or colorant are added in shell material.

Additionally or alternatively, colorant or dyestuff can be added to bonding before, during or after preparing use In agent.

Additionally or alternatively, colorant or dyestuff can be added in granulation shell/binder combination.

Additionally or alternatively, colorant or dyestuff can be added to or be applied to dry (biodegradable) material In (in other words, colorant or dyestuff can be added in processed shell material after completing any drying steps).

It has been found by the present inventors that when colorant or dyestuff are added in processed shell waste material after the drying, face Color keeps bright and eye-catching.Add colorant or dyestuff before the drying step color or dyestuff can be caused to fade, obfuscation or Variation.

In certain embodiments, using hydrophobic coating and colorant.Preferably, it is applied after addition colorant or dyestuff Add hydrophobic coating.

Based on above content, the present invention is provided:

A method of processing shell material is to provide the Biodegradable material of molding；It the described method comprises the following steps:

A) shell material is granulated；

Contact granulation shell material with the adhesive comprising nano-cellulose；And

C) molding and dry granulation shell waste material/binder combination,

Wherein the product of step (c) is the Biodegradable material of molding.

A kind of preserved egg shell material is to provide the method for Biodegradable material；It the described method comprises the following steps:

A) eggshell material is granulated；

Contact granulation eggshell material with the adhesive comprising nano-cellulose；And

C) dry granulation eggshell material/binder combination；

Wherein the product of step (c) is Biodegradable material.

A kind of preserved egg shell material is to provide the method for the Biodegradable material of molding；The method includes following steps It is rapid:

A) eggshell material is granulated；

Contact three parts of granulation eggshell materials with a nano-cellulose based adhesive；And

C) molding and dry granulation eggshell material/binder combination,

Wherein the product of step (c) is the Biodegradable material of molding.

As described above, the method for disclosed processing shell waste material can not need to gather materials using other, such as filling material Material, such as inorganic carbonate, clay or cinder or dispersing agent, such as maleic acid or citric acid.

A method of processing shell waste material the described method comprises the following steps with providing Biodegradable material:

A) collect and be granulated shell waste material；

B) adhesive is prepared；

C) by shell waste dispersion in adhesive；

D) mould case waste material/binder combination；

E) dry biodegradable product is formed.

(wherein gathering materials is shell waste material) is presented as flow chart in Fig. 1 in one embodiment of this method.

In a further aspect, the present invention provides the material/biodegradable materials that can be obtained by method described herein Material.

The present invention also provides the Biodegradable materials as obtained by method described herein in manufacture object, article Or the purposes in tool.The object, article or tool can be selected from the groups being made up of:

(i) it wraps up and/or packs；

(ii) insulant；

(iii) cosmetics accessory；With

(iv) tableware.

The present invention also provides the granulation eggshells for being used as cosmetic additive agent.For example, can will granulation shell material (such as grain Change eggshell waste material) it is added in cosmetics (gel, emulsifiable paste, ointment, powder etc.).In addition, granulation shell material (such as granulation eggshell Waste material) it may be used as the substitute of plastic microbead.Granulation shell waste material can be processed as described herein, mould or be prepared into and is micro- Pearl is optionally dyed with colorant and/or is coated with hydrophobic coating, is then used as microballon substitute.

Detailed description of the invention

Now with reference to the following drawings, the present invention will be described in detail, and the attached drawing is shown:

Fig. 1 shows one embodiment of the invention with process.

Fig. 2 is the photo of the product obtained according to the method for the present invention.In this example, the eggshell (< 53 μM) used: fine The ratio for tieing up plain microfibril is 1:0.39, and eggshell/cellulose microfibril mixture is air dried (left side sample Product) or oven drying (right side sample).

Fig. 3 be the product obtained according to the method for the present invention extension (mM) as apply load (N) function figure, Eggshell used in it (< 53 μM): the ratio of cellulose microfibril is 3:1, and eggshell/cellulose microfibril mixture It is air dried.

Fig. 4 be the product obtained according to the method for the present invention extension (mM) as apply load (N) function figure, Eggshell used in it (< 53 μM): the ratio of cellulose microfibril is 5:1, and eggshell/cellulose microfibril mixture It is air dried.

Fig. 5 is the figure of the product obtained according to the method for the present invention, used in eggshell (< 53 μM): the micro- original of cellulose The ratio of fiber is 3:1, and eggshell/cellulose microfibril mixture is freeze-drying.

Fig. 6 is the figure of the product obtained according to the method for the present invention, used in eggshell (< 53 μM): the micro- original of cellulose The ratio of fiber is 3:1, and eggshell/cellulose microfibril mixture is air dried.The sample on right side is coated in chlorine It include the hydrophobic sol of 1% polylactic acid in imitative.

Fig. 7 is the figure of the product obtained according to the method for the present invention, used in eggshell (< 53 μM): the micro- original of cellulose The ratio of fiber is 3:1, and by two kinds of materials and is air-dried.Then using useless coffee (left side sample), beet Root waste material (meso sample) and red cabbage waste material (right side sample) dye sample.

Fig. 8 is the figure of the product obtained according to the method for the present invention, used in eggshell (< 53 μM): the micro- original of cellulose The ratio of fiber is 3:1, and by eggshell/cellulose microfibril mixture compacting (using coffee squeezer) and uses paper Towel is removed by permeating/diffusing into the further moisture of row.

Fig. 9 is the figure of the material obtained by means of the present invention, used in eggshell (< 53 μM): the micro- original of cellulose The ratio of fiber is 3:1, and eggshell/cellulose microfibril mixture is moulded and carries out heating using hair dryer and is done It is dry.The molding material has been used for production dish.

Specific embodiment

The egg-shell meal ground obtained from Britain's egg processing company JUST EGG is divided into six grains using sieve shaker first Degree group:

1. > 500 microns

2.250-499 microns

3.125-249 microns

4.75-124 microns

5.54-74 microns

6. < 53 microns

Two groups of specified particle sizes for experiment are made up of:

1.54-249 microns

2. < 53 microns