CN109810412A - Light, Biodegradable Dining tool based on bio-based materials and preparation method thereof - Google Patents
Light, Biodegradable Dining tool based on bio-based materials and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of light based on bio-based materials, Biodegradable Dining tool and preparation method thereof.The light, Biodegradable Dining tool include the component of following weight percent meter: polypropylene 35~45%, biological base complex 40~50%, polyhydroxyalkanoates 10~16% and biodegradable agglomerate 0.4~0.6%.Light provided by the invention based on bio-based materials, Biodegradable Dining tool not only in the natural environment can be degradable, it is environmentally protective, and its mechanics and water resistance are significantly improved, it can store for a long time, thermoplastic good fluidity, plasticity is high, and secondary workability is strong, and application range and applicability are wide.
Description
Technical field
The present invention relates to table ware fields, and in particular to a kind of light based on bio-based materials, Biodegradable food and drink
Tool and preparation method thereof.
Background technique
Currently, the Dining tool of degradability mainly has paper mould Dining tool, dining set made of plant fibres, starch food and drink
Tool, cardboard Dining tool etc., although these Dining tools have preferable degradability, the cost is relatively high, and preparation process is complicated,
Product quality is more crisp, easy to absorb moisture, easily goes mouldy in a humid environment, should not store for a long time, greatly limit application range.
Polyhydroxyalkanoates (PHA) is a kind of intracellular polyester of a variety of Microbe synthesis, with good biology
The hot-working character of compatibility performance, biodegradability and plastics, can be used as biodegradable packaging material, however PHA price
Valuableness, the enterprise that the country is able to achieve industrialized production is few, relies primarily on import, causes production cost high.
A kind of thermoplastic of the polypropylene (PP) as maturation, have various outstanding representations, as mechanical property is good,
It is nontoxic, relative density is low, heat resistance is good, chemicals-resistant is strong, electrical insulating property is high, easily processed into type etc., raw material is easy to obtain in addition
, price it is relatively low, therefore field of light industry and chemical field are all widely applied, but the drop of PP in the natural environment
Solution property is poor, and degradation speed is relatively slow, needs that oxidative degradation could occur under strong ultraviolet light and thermal energy effect.
Vinasse are to be distilled out remaining mixing solid content after drinking, utility value with higher after fermented grain has been fermented again.
It is about every year 20000000 tons by the vinasse that wine brewing generates in China, most vinasse are used as animal and fowl fodder, or are used as edible
Bacteria cultivation raw material, or it is used for soil improvement, or for biogas fermentation etc., adequately achieve its secondary value.Although existing correlation
Report prepares biodegradable plastic using vinasse as one of raw material, such as Publication No. CN 104761916A, CN
The Chinese patent applications such as 108530810A, but the inventors discovered that the plastics directly prepared using vinasse as one of raw material are easily sent out
Mildew change, fungicidal properties is poor, the above-mentioned prior art by compounding the shortcomings that other raw materials can overcome vinasse poor mechanical property, but
There is no vinasse mildew is solved the problems, such as, this, for being applied to vinasse to prepare Dining tool, will be a technical problem.It is based on
This, the present invention combines specific technique to be made while having both preferably anti-using vinasse as one of raw material by specific formula composition
Mouldiness energy, water resistance, strength character, degradation property biological base complex, and it successfully compounds with PHA, PP to be made can
Light, biodegradable Dining tool, substantially effectively comprehensively utilize vinasse, mitigate environmental pollution, reduce production cost.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of light based on bio-based materials, biology drop
Solution type Dining tool and preparation method thereof, the Dining tool has both preferable water resistance, strength character, degradation property, can light
Oxygen, biodegrade, degradation speed is fast, and the residue after degrading will not have any influence, safe nothing to animal, plant and soil
Poison meets food hygiene requirement.
The present invention is achieved by the following technical programs:
A kind of light based on bio-based materials, Biodegradable Dining tool, the component including following weight percent meter: poly-
Propylene 35~45%, biological base complex 40~50%, polyhydroxyalkanoates 10~16% and biodegradable agglomerate 0.4~
0.6%.
It is preferred that the light based on bio-based materials, Biodegradable Dining tool, including following weight percent meter
Component: polypropylene 42%, biological base complex 45%, polyhydroxyalkanoates 12.5% and biodegradable agglomerate 0.5%.
Further, the biological base complex includes the component of following weight percent meter: distiller's dried grain pre-processes object
50~60%, folium artemisiae argyi wax 25~40% and epoxidized soybean oil 10~15%.
It is preferred that the biological base complex includes the component of following weight percent meter: distiller's dried grain pretreatment object 55%,
Folium artemisiae argyi wax 35% and epoxidized soybean oil 10%.
Further, it is obtained after distiller's dried grain pretreatment object is fresh grain stillage degreasing, de- albumen is handled through drying aqueous
It is divided into the material of 5~10%m/m.
Specifically, the preparation step of the distiller's dried grain pretreatment object are as follows: 1~3 times of its weight is added into fresh grain stillage
Volume fraction be 75~80% ethanol solutions, at room temperature stand 6~12h carry out ungrease treatment, filtering, remove filtrate, then plus
The NaOH solution that the mass concentration for entering 3~4 times of filter residue weight is 5~10% is impregnated 24~36h at normal temperature and is carried out at de- albumen
Reason, then washing with water to pH is neutrality, and drying to water content is 5~10%m/m to get distiller's dried grain pretreatment object.
Fresh grain stillage of the invention is the fresh vinasse without any processing directly recycled from winery, which is derived from
Brewery, Heyuan City, Guangdong Province.
The folium artemisiae argyi wax is prepared according to the prior art, be the steps include: to take fresh folium artemisiae argyi, be filled after crushing
Column, the medicinal material column then installed with hexamethylene recycling elution survey the flow velocity of lower efflux, recycling elution after having liquid discharge
After 5BV, tail connects the absorption of silicagel column and uses, and after continuing cycling through elution 3BV, removes medicinal material column, is fanned the air in medicinal material column with air pump
Hexamethylene, the hexamethylene got, which is loaded in silicagel column, to be adsorbed；Hexamethylene is finally separately taken to rinse the wax in silicagel column, wait elute
After the wash water color to get off shoals, is fanned the air the hexamethylene in column with air pump, merge with eluent, recycle ring with Rotary Evaporators
Folium artemisiae argyi wax is obtained after hexane.
The preparation of the biological base complex the following steps are included:
(1) distiller's dried grain pretreatment object preparation: the volume fraction that 1~3 times of its weight is added into fresh grain stillage is 75~80%
Ethanol solution stands 6~12h at room temperature and carries out ungrease treatment, and filtering removes filtrate, is then added 3~4 times of filter residue weight
The NaOH solution that mass concentration is 5~10% impregnates 24~36h at normal temperature and carries out de- albumen processing, then wash with water to
PH is neutrality, and drying to water content is 5~10%m/m to get distiller's dried grain pretreatment object；
(2) prepared by folium artemisiae argyi wax: fresh folium artemisiae argyi is taken, column is filled after crushing, the medicinal material then installed with hexamethylene recycling elution
Column surveys the flow velocity of lower efflux after having liquid discharge, and after recycling elution 5BV, tail connects a silicagel column absorption and uses, and continues to follow
After washing-round takes off 3BV, medicinal material column is removed, is fanned the air the hexamethylene in medicinal material column with air pump, the hexamethylene got is loaded in silicagel column
Absorption；The wax for finally separately taking hexamethylene to rinse in silicagel column is fanned the air after the wash water color wait elute shoals with air pump
Hexamethylene in column, merges with eluent, obtains folium artemisiae argyi wax after recycling hexamethylene with Rotary Evaporators；
(3) distiller's dried grain is pre-processed into object and folium artemisiae argyi wax, is blended and crushes, obtains composite powder, epoxy soybean is then added
Oil mixes, 3~5min of hot pressing under hot press, is released stress after being cooled to 45~50 DEG C to get biological base complex is arrived.
Further, the biodegradable agglomerate is the BD of U.S. Wells Plastics Ltd company production
93470, it is purchased from Dongguan City Bo Hong trade Co., Ltd.
In addition, the present invention also provides the preparations of the light based on bio-based materials, Biodegradable Dining tool described in one kind
Method, method includes the following steps:
S1: polypropylene, polyhydroxyalkanoates, biological base complex and biodegradable agglomerate are mixed, it is heated to 170~
It 200 DEG C, after material melts, is infused using pressure into product mold, obtains blank；
S2: taking out from product mold after blank is cooling, clipped, and light, Biodegradable Dining tool is made.
The product mold includes but is not limited to plate mold, welding bell tool, cup mold, suction mold etc..
Compared with prior art, the invention has the following advantages:
(1) compared to existing degradability Dining tool, the light provided by the invention based on bio-based materials, biodegrade
Type Dining tool not only in the natural environment can be degradable, environmentally protective, and its mechanics and water resistance are significantly improved,
It can store for a long time, thermoplastic good fluidity, plasticity is high, and secondary workability is strong, and application range and applicability are wide.
(2) light of the invention based on bio-based materials, Biodegradable Dining tool are using vinasse as one of raw material, by multiple
With folium artemisiae argyi wax and epoxidized soybean oil, preferable fungicidal properties, water resistance, strength character, degradation property are made while had both
Biological base complex；Further, biological base complex is compounded with PHA, PP, biodegradable agglomerate be made can light, biology drop
The Dining tool of solution, successfully turns waste into wealth vinasse, is substantially effectively comprehensively utilized to vinasse, and environmental pollution is mitigated.
(3) light of the invention based on bio-based materials, Biodegradable Dining tool are rich with sources such as vinasse, folium artemisiae argyi waxes
Richness, low-cost ingredient greatly reduce the usage amount of PHA, PP as one of raw material, reduce production cost, have higher
Economic benefit and social value, the folium artemisiae argyi wax not only significantly improve distiller's dried grain pretreatment object fungicidal properties, mechanics
Performance, it is also good with the biodegradable agglomerate compatibility in system, it is easy to degrade, the degradation speed of biological base complex will not be delayed
Degree.
(4) light of the invention based on bio-based materials, the preparation process of Biodegradable Dining tool are simple, production efficiency
Height, Dining tool quality obtained is good, and stability is high, is suitable for being mass produced.
Specific embodiment
The following examples are further illustrations of the invention, rather than limiting the invention.
The component being formulated in following embodiments is unless otherwise noted conventional commercial product, wherein polypropylene is purchased from
Ke Ju Materials Co., Ltd, Shenzhen；Polyhydroxyalkanoates is purchased from Ningbo Tianan Biological Material Co., Ltd.；Biodegradable agglomerate
BD93470 is purchased from Dongguan City Bo Hong trade Co., Ltd.
The preparation of 1 distiller's dried grain of embodiment pretreatment object
The volume fraction that 2 times of its weight is added into fresh grain stillage is 75% ethanol solution, stands 6h at room temperature and carries out degreasing
Processing, filtering remove filtrate, and the NaOH solution that the mass concentration for being then added 3 times of filter residue weight is 5% is impregnated at normal temperature
De- albumen processing is carried out for 24 hours, and then washing with water to pH is neutrality, and drying to water content is 5~10%m/m to get dry wine
Grain pretreatment object.
The preparation of 2 folium artemisiae argyi wax of embodiment
Fresh folium artemisiae argyi is taken, column is filled after crushing, the medicinal material column then installed with hexamethylene recycling elution, liquid discharge to be had
Afterwards, the flow velocity of lower efflux is surveyed, after recycling elution 5BV, tail connects a silicagel column absorption and uses, and after continuing cycling through elution 3BV, removes
Medicinal material column is fanned the air the hexamethylene in medicinal material column with air pump, and the hexamethylene got, which is loaded in silicagel column, to be adsorbed；Finally separately take hexamethylene
Alkane rinses the wax in silicagel column, after the wash water color wait elute shoals, is fanned the air the hexamethylene in column with air pump, and washes
De- liquid merges, and obtains folium artemisiae argyi wax after recycling hexamethylene with Rotary Evaporators.
The preparation of the biological base complex of embodiment 3
The biological base complex of the present embodiment includes the component of weight percent meter shown in following table:
Distiller's dried grain in above-mentioned formula 5 is directly dried for fresh grain stillage obtains the aqueous material for being divided into 5~10%m/m, is drying
Without carrying out degreasing, de- albumen processing before dry.The fresh grain stillage is directly to be recycled from winery without the new of any processing
Fresh vinasse.
It is formulated the preparation step of the biological base complex of 1-3: distiller's dried grain being pre-processed into object and folium artemisiae argyi wax, is blended and crushes,
Composite powder is obtained, epoxidized soybean oil is then added, is mixed, the hot pressing 5min under hot press is released stress after being cooled to 50 DEG C,
Obtain biology base compound.
The preparation step of the biological base complex of 4-5 is formulated with reference to shown in above-mentioned.
The preparation of embodiment 4 light, Biodegradable Dining tool
The light based on bio-based materials, the Biodegradable Dining tool of embodiment 4, including following weight percent included below
Than the component of meter: biological base complex 45%, polyhydroxyalkanoates 15.5% and the biology of polypropylene 39%, the formula of embodiment 31
Degradation master batch BD 93,470 0.5%.
Preparation step:
S1: polypropylene, polyhydroxyalkanoates, biological base complex and biodegradable agglomerate BD 93470 are mixed, heated
To 170~200 DEG C, after material melts, is infused using pressure into product mold, obtain blank；
S2: taking out from product mold after blank is cooling, clipped, and light, Biodegradable Dining tool is made.
The preparation of embodiment 5 light, Biodegradable Dining tool
The light based on bio-based materials, the Biodegradable Dining tool of embodiment 5, including following weight percent included below
Than the component of meter: biological base complex 50%, polyhydroxyalkanoates 14.6% and the biology of polypropylene 35%, the formula of embodiment 32
Degradation master batch BD 93,470 0.4%.
Preparation step reference implementation example 4.
The preparation of embodiment 6 light, Biodegradable Dining tool
The light based on bio-based materials, the Biodegradable Dining tool of embodiment 6, including following weight percent included below
Than the component of meter: biological base complex 40%, polyhydroxyalkanoates 14.4% and the biology of polypropylene 45%, the formula of embodiment 33
Degradation master batch BD 93,470 0.6%.
Preparation step reference implementation example 4.
The preparation of embodiment 7 light, Biodegradable Dining tool
The light based on bio-based materials, the Biodegradable Dining tool of embodiment 7, including following weight percent included below
Than the component of meter: biological base complex 45%, polyhydroxyalkanoates 12.5% and the biology of polypropylene 42%, the formula of embodiment 33
Degradation master batch BD 93,470 0.5%.
Preparation step reference implementation example 4.
The preparation of comparative example 1 light, Biodegradable Dining tool
The light based on bio-based materials, the Biodegradable Dining tool of comparative example 1, including following weight percent included below
Than the component of meter: biological base complex 45%, polyhydroxyalkanoates 12.5% and the biology of polypropylene 42%, the formula of embodiment 34
Degradation master batch BD 93,470 0.5%.
Preparation step reference implementation example 4.
The preparation of comparative example 2 light, Biodegradable Dining tool
The light based on bio-based materials, the Biodegradable Dining tool of comparative example 2, including following weight percent included below
Than the component of meter: biological base complex 45%, polyhydroxyalkanoates 12.5% and the biology of polypropylene 42%, the formula of embodiment 35
Degradation master batch BD 93,470 0.5%.
Preparation step reference implementation example 4.
The preparation of comparative example 3 light, Biodegradable Dining tool
The light based on bio-based materials, the Biodegradable Dining tool of comparative example 3, including following weight percent included below
Than the component of meter: polypropylene 42%, distiller's dried grain 45%, polyhydroxyalkanoates 12.5% and biodegradable agglomerate BD 93470
0.5%；
The distiller's dried grain is that fresh grain stillage directly dries and obtains the aqueous material for being divided into 5~10%m/m, before baking not into
Row degreasing, de- albumen processing.
Preparation step reference implementation example 4.
The preparation of comparative example 4 light, Biodegradable Dining tool
The light based on bio-based materials, the Biodegradable Dining tool of comparative example 4, including following weight percent included below
Than the component of meter: distiller's dried grain made from polypropylene 42%, embodiment 1 pre-processes object 45%, polyhydroxyalkanoates 12.5% and life
Object degradation master batch BD 93,470 0.5%；
Preparation step reference implementation example 4.
Test example one, performance detection
Light made from embodiment 4-7 and comparative example 1-4, Biodegradable Dining tool are carried out according to GB4806.7-2016
Performance detection, the results show that all inspections of light made from 4-7 of the embodiment of the present invention and comparative example 1-4, Biodegradable Dining tool
It tests project and reaches standard requirements, specific testing result is shown in Table 1.
The performance test results of 1 light of table, Biodegradable Dining tool
Test example two, service performance detection
According to GB/T 18006.1-2009 to light made from embodiment 4-7 and comparative example 1-4, Biodegradable Dining tool
Service performance detected, the results are shown in Table 2.
The service performance testing result of 2 light of table, Biodegradable Dining tool
As seen from the above table, the biological base complex of comparative example 1 be free of folium artemisiae argyi wax, will affect Dining tool heat resistance,
Waterproof performance and drop performance；The biological base complex of comparative example 2 replaces distiller's dried grain with distiller's dried grain and pre-processes object, does not influence food and drink
Heat resistance, waterproof performance and the drop performance of tool；Comparative example 3 directly replaces biological base complex using distiller's dried grain, to food and drink
The heat resistance of tool is affected, while weakening waterproof performance and drop performance；Comparative example 4 directly pre-processes object using distiller's dried grain
Biological base complex is replaced, is affected to the heat resistance of Dining tool, while weakening waterproof performance and drop performance.
Test example three, degradation property detection
According to GB/T 20197-2006 to light made from embodiment 4-7 and comparative example 1-4, Biodegradable Dining tool
Biological decomposition, photodegradation can be carried out detection, the results are shown in Table 3.
The degradation property testing result of 3 light of table, Biodegradable Dining tool
The results show that light made from 4-7 of the embodiment of the present invention and comparative example 1-4, Biodegradable Dining tool are naturally sudden and violent
Tension fracture elongation rate retention rate≤5% under the conditions of solarization, and average weight-molecular mass rate of descent >=80%, and after light degradation
Molecular percentage content >=20% of average weight-molecular mass < 10000 has preferable photodegradation.In addition, embodiment 4-7
With maximum biological decomposition percentage >=80% of light made from comparative example 1-4, Biodegradable Dining tool, there is preferably biology
Degradability.
Test example four, mechanics and hot molten characteristic detection
According to GB/T 1040-2006, GB/T 9341-2008, GB/T 3682-2000 respectively to embodiment 4-7 and comparison
Light, the tensile strength of Biodegradable Dining tool, bending strength and melt index made from example 1-4 are detected, and the results are shown in Table
4。
4 light of table, the mechanics of Biodegradable Dining tool and hot molten characteristic testing result
| Group | Tensile strength (MPa) | Bending strength (MPa) | Melt index (g/10min) |
| Embodiment 4 | 36.8 | 32.5 | 33.6 |
| Embodiment 5 | 34.5 | 30.7 | 31.4 |
| Embodiment 6 | 38.2 | 35.4 | 35.8 |
| Embodiment 7 | 39.3 | 37.0 | 36.7 |
| Comparative example 1 | 30.1 | 28.5 | 29.6 |
| Comparative example 2 | 35.7 | 33.0 | 34.0 |
| Comparative example 3 | 24.2 | 22.4 | 25.0 |
| Comparative example 4 | 25.6 | 23.3 | 25.4 |
The results show that light made from 4-7 of the embodiment of the present invention, Biodegradable Dining tool have preferable mechanics and hot melt
Performance, significant effect are better than comparative example 1 and comparative example 3-4.
Test example five, fungicidal properties detection
According to GB/T 24128-2009 respectively to light made from embodiment 4-7 and comparative example 1-4, Biodegradable food and drink
Tool carries out fungicidal properties detection, is evaluated by grade, wherein 0 grade: not growing, 1 grade: Trace growth (mildew area <
10%), 2 grades: a small amount of growth (mildew area 10~30%), 3 grades: moderate grows (mildew area 30~60%), and 4 grades: severe
It grows (mildew area > 60%), the results are shown in Table 5.
The fungicidal properties performance test results of 5 light of table, Biodegradable Dining tool
| Group | Mould proof grade |
| Embodiment 4 | 0 |
| Embodiment 5 | 0 |
| Embodiment 6 | 0 |
| Embodiment 7 | 0 |
| Comparative example 1 | 2 |
| Comparative example 2 | 2 |
| Comparative example 3 | 4 |
| Comparative example 4 | 3 |
The results show that light made from 4-7 of the embodiment of the present invention, Biodegradable Dining tool have preferable fungicidal properties,
Significant effect is better than comparative example 1-4.
The above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
Limitation of the invention, protection scope of the present invention should be defined by the scope defined by the claims..For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these change
It also should be regarded as protection scope of the present invention into retouching.
Claims (9)
1. a kind of light based on bio-based materials, Biodegradable Dining tool, which is characterized in that the light, Biodegradable
Dining tool includes the component of following weight percent meter: polypropylene 35~45%, biological base complex 40~50%, poly- hydroxyl alkane
Acid esters 10~16% and biodegradable agglomerate 0.4~0.6%.
2. the light according to claim 1 based on bio-based materials, Biodegradable Dining tool, which is characterized in that described
Light, Biodegradable Dining tool include following weight percent meter component: polypropylene 42%, biological base complex 45%,
Polyhydroxyalkanoates 12.5% and biodegradable agglomerate 0.5%.
3. the light according to claim 1 or 2 based on bio-based materials, Biodegradable Dining tool, which is characterized in that institute
The biological base complex stated includes the component of following weight percent meter: distiller's dried grain pre-processes object 50~60%, folium artemisiae argyi wax 25
~40% and epoxidized soybean oil 10~15%.
4. the light according to claim 3 based on bio-based materials, Biodegradable Dining tool, which is characterized in that described
Biological base complex include following weight percent meter component: distiller's dried grain pre-processes object 55%, folium artemisiae argyi wax 35% and ring
Oxygen soybean oil 10%.
5. the light according to claim 4 based on bio-based materials, Biodegradable Dining tool, which is characterized in that described
Distiller's dried grain pretreatment object be to obtain the aqueous material for being divided into 5~10%m/m through drying after fresh grain stillage degreasing, the processing of de- albumen.
6. the light according to claim 5 based on bio-based materials, Biodegradable Dining tool, which is characterized in that described
Distiller's dried grain pretreatment object preparation step are as follows: the volume fraction of 1~3 times of its weight is added into fresh grain stillage as 75~80% second
Alcoholic solution stands 6~12h at room temperature and carries out ungrease treatment, and filtering removes filtrate, and 3~4 times of filter residue weight of matter is then added
The NaOH solution that concentration is 5~10% is measured, 24~36h is impregnated at normal temperature and carries out de- albumen processing, then wash with water to pH
For neutrality, drying to water content is 5~10%m/m to get distiller's dried grain pretreatment object.
7. the light according to claim 3 based on bio-based materials, Biodegradable Dining tool, which is characterized in that described
Biological base complex preparation the following steps are included:
S1, distiller's dried grain pretreatment object preparation: the volume fraction that 1~3 times of its weight is added into fresh grain stillage is 75~80% ethyl alcohol
Solution stands 6~12h at room temperature and carries out ungrease treatment, and filtering removes filtrate, and 3~4 times of filter residue weight of quality is then added
The NaOH solution that concentration is 5~10% impregnates 24~36h at normal temperature and carries out de- albumen processing, then washes with water to pH and is
Neutrality, drying to water content are 5~10%m/m to get distiller's dried grain pretreatment object；
S2, distiller's dried grain is pre-processed into object and folium artemisiae argyi wax, is blended and crushes, obtains composite powder, epoxidized soybean oil is then added, mixed
Even, 3~5min of hot pressing under hot press is released stress after being cooled to 45~50 DEG C to get biological base complex is arrived.
8. the light according to claim 1 or 2 based on bio-based materials, Biodegradable Dining tool, which is characterized in that institute
The biodegradable agglomerate stated is BD 93470.
9. a kind of method for preparing the light described in claim 1 based on bio-based materials, Biodegradable Dining tool, feature
It is, comprising the following steps:
S1: polypropylene, polyhydroxyalkanoates, biological base complex and biodegradable agglomerate being mixed, are heated to 170~200 DEG C,
It after material melts, is infused using pressure into product mold, obtains blank；
S2: taking out from product mold after blank is cooling, clipped, and light, Biodegradable Dining tool is made.
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| CN104334030A (en) * | 2012-04-30 | 2015-02-04 | 阿彻丹尼尔斯米德兰德公司 | Processes for producing animal feed from biomass |
| CN104693575A (en) * | 2013-12-07 | 2015-06-10 | 招远鲁娃婴幼儿用品有限公司 | Biodegradable plastic toy |
| CN106398259A (en) * | 2016-10-09 | 2017-02-15 | 范毅 | Biodegradable composite material, plant nutrient pot and production method of plant nutrient pot |
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2019
- 2019-02-01 CN CN201910105764.XA patent/CN109810412A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120053256A1 (en) * | 2010-08-25 | 2012-03-01 | Chin-Fu Chen | Biomass composite composition and foaming method thereof |
| CN104334030A (en) * | 2012-04-30 | 2015-02-04 | 阿彻丹尼尔斯米德兰德公司 | Processes for producing animal feed from biomass |
| CN104693575A (en) * | 2013-12-07 | 2015-06-10 | 招远鲁娃婴幼儿用品有限公司 | Biodegradable plastic toy |
| CN106398259A (en) * | 2016-10-09 | 2017-02-15 | 范毅 | Biodegradable composite material, plant nutrient pot and production method of plant nutrient pot |
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