CN108947326A - Keep the temperature degradable ceramic cutlery box and preparation method - Google Patents
Keep the temperature degradable ceramic cutlery box and preparation method Download PDFInfo
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- CN108947326A CN108947326A CN201811109501.8A CN201811109501A CN108947326A CN 108947326 A CN108947326 A CN 108947326A CN 201811109501 A CN201811109501 A CN 201811109501A CN 108947326 A CN108947326 A CN 108947326A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/14—Polyepoxides
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
- A45C11/20—Lunch or picnic boxes or the like
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/28—Polysaccharides or derivatives thereof
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laminated Bodies (AREA)
- Paper (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
The invention discloses the preparation methods for keeping the temperature degradable ceramic cutlery box, raw material includes pottery mud, bamboo fibre, chitosan, glycerol, sodium alginate, adhesive, oil-proofing agent and water repellent agent, cutlery box is divided into double-layer structure, and internal layer is ceramic layer, and outer layer is degradable fibrous layer；Outer layer of the invention is degradable fibrous layer, and after a period of time, outer layer decomposes, and greatly reduces the pollution to environment；Internal layer is ceramic layer, is still soil after weathering, decomposition after ceramic layer is discarded；With non-breakable, light quality, safety and environmental protection, heat insulation effect is good, and production process is simple, at low cost, and economic benefit and social benefit are good.
Description
Technical field
The present invention relates to food box fields, and in particular to keeps the temperature degradable ceramic cutlery box and preparation method.
Background technique
From early 20th century, plastic products come out for the first time, and great variation just has occurred in people's lives, and this variation is most
Apparent embody is exactly to bring great convenience to our daily life.With the fast development of economic technology, Ren Mensheng
Running water is flat to be continuously improved, and rhythm of life is also in lasting quickening, therefore quick and easy fast food is grown rapidly.Now, people
Gradually, it is realized that once bring the plastic products of great convenience also for us while corroding our living space, soil
Become barren, marine organisms are poisoned, and the balance of biological chain is broken.The disposable snack box being commonly used, due to
Its material non-degradable, and added with certain chemical component being harmful to the human body during machine-shaping, it is such fast
Cutlery box cannot be heated, and not only cause biggish pollution to environment, cause centainly to damage to human body, both not environmentally or not be good for
Health, therefore also seriously constrain the development of fast food.Although biodegradation material is increasingly valued by people, it has been intended to
Full substitution there are about disposable lunch-box still need to take a very long time.
Modern disposable lunch-box on the market is not all to meet national standard, and it is meeting pair that underproof cutlery box, which is used for a long time,
Body brings dysgenic.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of to keep the temperature degradable ceramic cutlery box and preparation side
Method with good heat insulation effect, is invested in the Nature using pottery mud with bamboo fibre in conjunction with, can natural degradation, it is not fragile
It is broken, light quality, safety and environmental protection.
Degradable ceramic cutlery box is kept the temperature, double-layer structure is divided into, internal layer is ceramic layer, and outer layer is degradable fibrous layer；
Internal layer includes the raw material of following parts by weight:
30~40 parts of mud of pottery,
10~15 parts of chitosan,
5~7 parts of epoxy resin,
3~5 parts of adhesive,
3~5 parts of oil-proofing agent,
Outer layer includes the raw material of following parts by weight:
40~60 parts of bamboo fibre,
10~15 parts of chitosan,
3~5 parts of sodium alginate,
2~4 parts of adhesive,
1~3 part of oil-proofing agent,
The bamboo fibre selects 100~200 mesh；
The chitosan, select molecular weight for 2000~6000 chitosan；
The binder is acrylic resin, methylcellulose, ethyl cellulose, nitrocellulose ester, polyurethane resin, polyester tree
One of rouge or more than one mixture；
The oil-proofing agent is cationic sheet paper fluorocarbon oil resistant agent；The cationic sheet paper fluorocarbon oil resistant agent is according to Guangxi University Shen
Patent (cationic sheet paper fluorocarbon oil resistant agent and preparation method thereof, application number: 200710024326.8) product made from please.It is
Using the soft or hard monomer and cationic monomer and fluorochemical monomer of esters of acrylic acid, under ultrasonic irradiation, addition dispersion emulsifier,
Initiator and stabilizer are made.
Keep the temperature the preparation process of degradable ceramic cutlery box the following steps are included:
(a), outer layer (1) raw material is stirred evenly according in weight fraction investment mixing machine, obtains mixed solution；
(b), by the resulting mixed solution of step (a) be added to mold in hot-press forming device carry out it is hot-forming at required meal
Box shaped, hot pressing time are 30~40 minutes, and hot pressing temperature is 110~120 DEG C, obtain cutlery box just type, are outer layer (1) fiber
Layer；
(c), internal layer (2) is stirred evenly in mixing machine, obtains mixed solution；
(d), the inner wall coating several layers pottery mud for the first type of cutlery box for obtaining mixed solution obtained in step (c) in step (b)
Slurry, every time must it is dry after be coated with, then naturally dry or to air-dry to moisture content be 15% hereinafter, obtaining internal having the double of waterproof layer
Layer cutlery box；
(e) rapid draing is carried out using double-deck cutlery box of the microwave to (d), wavelength is 0.001-1m, frequency 300-
300000MHz makes its moisture content 5% hereinafter, obtaining product.
Compared with prior art, present invention substantive distinguishing features outstanding and significant progress are:
1, pottery mud
Mud of making pottery is a kind of clay for making pottery, the clay with good plasticity.Ceramic raw material is that the earth is original a large amount of
Resource clay takes by quenching.And the property of clay has toughness, room temperature chance water is plastic, and micro- do can carve, absolutely dry to grind;It burns extremely
700 degree can fill water at pottery;It burns to 1230 degree of then porcelain, can not absorb water almost and corrosion-and high-temp-resistant.
2, bamboo fibre
Bamboo fibre is the cellulose fibre extracted from the bamboo grown naturally, has natural antibacterial, antibacterial, anti-mite, deodorization
And anti-ultraviolet function.
Bamboo is tall and big, the rapid grass kind plant of growth, stem be it is wooden, be distributed in the torrid zone, subtropical zone to warm temperate zone
The bamboo kind in area, China has as many as several hundred kinds.Bamboo reverts to secondary bamboo grove to grow feature fast, that reproductive capacity is strong quickly,
Bamboo purposes constantly expands, and economic value is high, and people plant bamboo afforestation, forms artificial forest, secondary bamboo grove and artificial bamboo grove, and with it
Powerful subterranean stem spreads expansion around.Bamboo is in the side such as building materials, papermaking, furniture, articles for daily use such as chopsticks, bamboo basket, basket
Face is widely used, is the necessity of people's daily life and industrial cut stock.
Existing table ware mostly uses greatly food grade plastic, ceramics, glass etc. to be made, also useful natural bamboo
Main body is process.With the enhancing of environmental consciousness, reproducible natural plant fibre is widely used for field of material technology.Bamboo
Fiber is a kind of cellulose fibre extracted from the bamboo grown naturally, is the fifth-largest day after cotton, fiber crops, hair, silk
Right fiber.Bamboo fibre has the characteristics such as good gas permeability, instant water absorption, stronger wearability and good dyeability, together
When there is natural antibacterial, antibacterial, anti-mite, deodorization and anti-ultraviolet function again, be that a kind of natural environmental-protective type truly is green
Color fibre.Since bamboo fibre yield is larger, and raw material bamboo is reproducible, is used so if bamboo fibre is used for food and drink
The preparation of tool will greatly facilitate environmental protection.
3, chitosan
Chitosan (chitosan) is that the chitin (chitin) being widely present by nature is obtained by deacetylation, is changed
Scientific name is known as Chitosan (1-4) -2- amino-B-D glucose, and from 1859, Frenchman Rouget obtained chitosan first
Afterwards, the Optimalities such as the biological functionality of this natural polymer and compatibility, blood compatibility, safety, microbic resolvability
It can be by all trades and professions extensive concern, in medicine, food, chemical industry, cosmetics, water process, METAL EXTRACTION and recycling, biochemistry and biology
The application study of the numerous areas such as engineering in medicine achieves major progress.
It is mainly used in the industries such as food, medicine, agricultural seed, daily-use chemical industry, Industrial Wastewater Treatment.Chitosan oligosaccharide, which has, to be mentioned
The effects of height is immune, activating cell, pre- anti-cancer, reducing blood lipid, blood pressure lowering, anti-aging, adjusts body environment, can be used for medicine,
Health care, field of food.It can be used for sewage treatment, protein salvage, Water warfare etc. in environment protection field chitosan.Field of functional materials,
Chitosan can be used for membrane material, carrier, adsorbent, fiber, medical material etc..Light textile field, chitosan can be used for textile finishing,
Health care underwear, paper making additive etc..Agriculture field can be applied to feed addition, seed treatment, soil improvement, fruit freshness preserving etc..?
Field of Tobacco, chitosan are reconstituted tobacoo glue of good performance, and have improve mouthfeel, burn nontoxic free from extraneous odour the features such as.
It is used as adhesive, thickener, stabilizer, gelling agent etc. in industry.The mould inhibitor for also serving as acidic materials, for salting down
Product, baked goods, bread, oil-containing food etc. are formed on its surface transparent semipermeable membrane.Chitosan not with humoral response,
There is compatibility to cell, it is biodegradable.
4, outer layer of the invention is degradable fibrous layer, and after a period of time, outer layer decomposes, and greatly reduces to ring
The pollution in border；Internal layer is ceramic layer, is still soil after weathering, decomposition after ceramic layer is discarded.
5, although takeout box has pottery mud raw material, but mud of making pottery is internal layer, and outer layer has fibrous layer, protects ceramic layer, transporting
It is non-breakable during sending, it is light.
6, for the present invention using pottery mud in conjunction with bamboo fibre, the shape of cutlery box can be various, and beautiful, resistance to see, can
To increase the appetite of people.
7, light quality, safety and environmental protection is non-breakable, and heat insulation effect is good, and production process is simple, at low cost, brings very big
Economic benefit.
8, fast using microwave drying speed, effect is good, will not make the high temperature damaged fiber layer of heated-air drying or firing, microwave
Refer to the electromagnetic wave between high frequency and far infrared, the thermal efficiency is high, is quick on the draw, since heat arises directly from dried object
Material is internal, and loss of the heat in surrounding medium is few, in addition microwave heating chamber itself does not absorb heat, does not absorb microwave, all sends out
It penetrates and acts on green body, the thermal efficiency is high.
9, the patent (cationic sheet paper fluorocarbon oil resistant agent that the cationic sheet paper fluorocarbon oil resistant agent is applied according to Guangxi University
And preparation method thereof, application number: 200710024326.8) product made from.It is the soft or hard monomer and sun using esters of acrylic acid
Ion monomer and fluorochemical monomer are added dispersion emulsifier, initiator and stabilizer and are made under ultrasonic irradiation.Use the sun
Ion sheet paper fluorocarbon oil resistant agent good water-proof effect, it is nontoxic, it is suitble to paper meal.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the degradable ceramic cutlery box of heat preservation；
Fig. 2 is the schematic side view of the degradable ceramic cutlery box of heat preservation.
Drawing reference numeral and title are as follows:
1, outer layer, 2, internal layer；
Outer layer is bamboo fibre layer, and internal layer is ceramic layer.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
Degradable ceramic cutlery box is kept the temperature, double-layer structure is divided into, internal layer 2 is ceramic layer, and outer layer 1 is degradable fibrous layer.
Internal layer 2 includes the raw material of following parts by weight: 30 parts of mud of pottery, and 10 parts of chitosan, 5 parts of epoxy resin, adhesive 3
Part, 3 parts of oil-proofing agent, the patent (cationic sheet paper fluorocarbon oil resistant agent that cationic sheet paper fluorocarbon oil resistant agent is applied according to Guangxi University
And preparation method thereof, application number: 200710024326.8) product made from embodiment.
Outer layer 1 includes the raw material of following parts by weight: 40 parts of bamboo fibre, 10 parts of chitosan, and 3 parts of sodium alginate, adhesive 2
Part, 1 part of oil-proofing agent, the patent (cationic sheet paper fluorocarbon oil resistant agent that cationic sheet paper fluorocarbon oil resistant agent is applied according to Guangxi University
And preparation method thereof, application number: 200710024326.8) product made from embodiment.
Keep the temperature the preparation process of degradable ceramic cutlery box:
(a), 1 raw material of outer layer is stirred evenly according in weight fraction investment mixing machine, obtains mixed solution；
(b), by the resulting mixed solution of step (a) be added to mold in hot-press forming device carry out it is hot-forming at required meal
Box shaped, hot pressing time are 30 minutes, and hot pressing temperature is 110 DEG C, obtain cutlery box just type, are 1 fibrous layer of outer layer；
(c), internal layer 2 is stirred evenly in mixing machine, obtains mixed solution；
(d), the inner wall coating several layers pottery mud for the first type of cutlery box for obtaining mixed solution obtained in step (c) in step (b)
Slurry, every time must it is dry after be coated with, then naturally dry or to air-dry to moisture content be 15% hereinafter, obtaining internal having the double of waterproof layer
Layer cutlery box；
(e) rapid draing is carried out using double-deck cutlery box of the microwave to (d), wavelength 1m, frequency 10000MHz make its moisture content
For 5% hereinafter, obtaining product.
Embodiment 2
Degradable ceramic cutlery box is kept the temperature, double-layer structure is divided into, internal layer 2 is ceramic layer, and outer layer 1 is degradable fibrous layer.
Internal layer 2 includes the raw material of following parts by weight: 35 parts of mud of pottery, and 12 parts of chitosan, 6 parts of epoxy resin, adhesive 4
Part, 4 parts of oil-proofing agent, the patent (cationic sheet paper fluorocarbon oil resistant agent that cationic sheet paper fluorocarbon oil resistant agent is applied according to Guangxi University
And preparation method thereof, application number: 200710024326.8) product made from embodiment.
Outer layer 1 includes the raw material of following parts by weight: 45 parts of bamboo fibre, 12 parts of chitosan, and 4 parts of sodium alginate, adhesive 3
Part, 2 parts of oil-proofing agent, the patent (cationic sheet paper fluorocarbon oil resistant agent that cationic sheet paper fluorocarbon oil resistant agent is applied according to Guangxi University
And preparation method thereof, application number: 200710024326.8) product made from embodiment
Keep the temperature the preparation process of degradable ceramic cutlery box:
(a), 1 raw material of outer layer is stirred evenly according in weight fraction investment mixing machine, obtains mixed solution；
(b), by the resulting mixed solution of step (a) be added to mold in hot-press forming device carry out it is hot-forming at required meal
Box shaped, hot pressing time are 40 minutes, and hot pressing temperature is 120 DEG C, obtain cutlery box just type, are 1 fibrous layer of outer layer；
(c), internal layer 2 is stirred evenly in mixing machine, obtains mixed solution；
(d), the inner wall coating several layers pottery mud for the first type of cutlery box for obtaining mixed solution obtained in step (c) in step (b)
Slurry, every time must it is dry after be coated with, then naturally dry or to air-dry to moisture content be 15% hereinafter, obtaining internal having the double of waterproof layer
Layer cutlery box；
(e) rapid draing is carried out using double-deck cutlery box of the microwave to (d), wavelength 1m, frequency 50000MHz make its moisture content
For 5% hereinafter, obtaining product.
Embodiment 3
Degradable ceramic cutlery box is kept the temperature, double-layer structure is divided into, internal layer 2 is ceramic layer, and outer layer 1 is degradable fibrous layer.
Internal layer 2 includes the raw material of following parts by weight: 40 parts of mud of pottery, and 11 parts of chitosan, 7 parts of epoxy resin, adhesive 3
Part, 4 parts of oil-proofing agent, the patent (cationic sheet paper fluorocarbon oil resistant agent that cationic sheet paper fluorocarbon oil resistant agent is applied according to Guangxi University
And preparation method thereof, application number: 200710024326.8) product made from embodiment.
Outer layer 1 includes the raw material of following parts by weight: 60 parts of bamboo fibre, 15 parts of chitosan, and 4 parts of sodium alginate, adhesive
4 parts, 2 parts of oil-proofing agent, the patent (cationic sheet paper fluorocarbon oil resistant agent that cationic sheet paper fluorocarbon oil resistant agent is applied according to Guangxi University
And preparation method thereof, application number: 200710024326.8) product made from embodiment.
Keep the temperature the preparation process of degradable ceramic cutlery box:
(a), 1 raw material of outer layer is stirred evenly according in weight fraction investment mixing machine, obtains mixed solution；
(b), by the resulting mixed solution of step (a) be added to mold in hot-press forming device carry out it is hot-forming at required meal
Box shaped, hot pressing time are 40 minutes, and hot pressing temperature is 120 DEG C, obtain cutlery box just type, are 1 fibrous layer of outer layer；
(c), internal layer 2 is stirred evenly in mixing machine, obtains mixed solution；
(d), the inner wall coating several layers pottery mud for the first type of cutlery box for obtaining mixed solution obtained in step (c) in step (b)
Slurry, every time must it is dry after be coated with, then naturally dry or to air-dry to moisture content be 15% hereinafter, obtaining internal having the double of waterproof layer
Layer cutlery box；
(e) rapid draing is carried out using double-deck cutlery box of the microwave to (d), wavelength 1m, frequency 100000MHz keep its aqueous
Rate is 5% hereinafter, obtaining product.
Embodiment 4
Degradable ceramic cutlery box is kept the temperature, double-layer structure is divided into, internal layer 2 is ceramic layer, and outer layer 1 is degradable fibrous layer.
Internal layer 2 includes the raw material of following parts by weight: 40 parts of mud of pottery, and 15 parts of chitosan, 7 parts of epoxy resin, adhesive 5
Part, 5 parts of oil-proofing agent, the patent (cationic sheet paper fluorocarbon oil resistant agent that cationic sheet paper fluorocarbon oil resistant agent is applied according to Guangxi University
And preparation method thereof, application number: 200710024326.8) product made from embodiment.
Outer layer 1 includes the raw material of following parts by weight: 60 parts of bamboo fibre, 15 parts of chitosan, and 5 parts of sodium alginate, adhesive 4
Part, 3 parts of oil-proofing agent, the patent (cationic sheet paper fluorocarbon oil resistant agent that cationic sheet paper fluorocarbon oil resistant agent is applied according to Guangxi University
And preparation method thereof, application number: 200710024326.8) product made from embodiment.
Keep the temperature the preparation process of degradable ceramic cutlery box:
(a), 1 raw material of outer layer is stirred evenly according in weight fraction investment mixing machine, obtains mixed solution；
(b), by the resulting mixed solution of step (a) be added to mold in hot-press forming device carry out it is hot-forming at required meal
Box shaped, hot pressing time are 30~40 minutes, and hot pressing temperature is 110~120 DEG C, obtain cutlery box just type, are 1 fibrous layer of outer layer；
(c), internal layer 2 is stirred evenly in mixing machine, obtains mixed solution；
(d), the inner wall coating several layers pottery mud for the first type of cutlery box for obtaining mixed solution obtained in step (c) in step (b)
Slurry, every time must it is dry after be coated with, then naturally dry or to air-dry to moisture content be 15% hereinafter, obtaining internal having the double of waterproof layer
Layer cutlery box；
(e) rapid draing is carried out using double-deck cutlery box of the microwave to (d), wavelength 1m, frequency 200000MHz keep its aqueous
Rate is 5% hereinafter, obtaining product.
Claims (8)
1. keeping the temperature the preparation method of degradable ceramic cutlery box, which is characterized in that keep the temperature degradable ceramic cutlery box, be divided into two layers
Structure, internal layer (2) are ceramic layer, and outer layer (1) is degradable fibrous layer.
2. the degradable ceramic cutlery box of heat preservation according to claim 1, which is characterized in that internal layer (2) includes following weight
The raw material of number:
30~40 parts of mud of pottery,
10~15 parts of chitosan,
5~7 parts of epoxy resin,
3~5 parts of adhesive,
3~5 parts of oil-proofing agent.
3. the degradable ceramic cutlery box of heat preservation according to claim 1, which is characterized in that outer layer (1) includes following weight
The raw material of number:
40~60 parts of bamboo fibre,
10~15 parts of chitosan,
3~5 parts of sodium alginate,
2~4 parts of adhesive,
1~3 part of oil-proofing agent.
4. the degradable ceramic cutlery box of heat preservation according to claim 1,2 or 3, which is characterized in that keep the temperature degradable pottery
The preparation process of matter cutlery box the following steps are included:
(a), outer layer (1) raw material is stirred evenly according in weight fraction investment mixing machine, obtains mixed solution；
(b), by the resulting mixed solution of step (a) be added to mold in hot-press forming device carry out it is hot-forming at required meal
Box shaped, hot pressing time are 30~40 minutes, and hot pressing temperature is 110~120 DEG C, obtain cutlery box just type, are outer layer (1) fiber
Layer；
(c), internal layer (2) is stirred evenly in mixing machine, obtains mixed solution；
(d), the inner wall coating several layers pottery mud for the first type of cutlery box for obtaining mixed solution obtained in step (c) in step (b)
Slurry, every time must it is dry after be coated with, then naturally dry or to air-dry to moisture content be 15% hereinafter, obtaining internal having the double of waterproof layer
Layer cutlery box；
(e) rapid draing is carried out using double-deck cutlery box of the microwave to (d), wavelength is 0.001-1m, frequency 300-
300000MHz makes its moisture content 5% hereinafter, obtaining product.
5. the degradable ceramic cutlery box of heat preservation according to claim 2 or 3, which is characterized in that the bamboo fibre, selection
100~200 mesh.
6. the degradable ceramic cutlery box of heat preservation according to claim 2 or 3, which is characterized in that the chitosan, selection point
The chitosan that son amount is 2000~6000.
7. the degradable ceramic cutlery box of heat preservation according to claim 2 or 3, which is characterized in that the binder is propylene
One of acid resin, methylcellulose, ethyl cellulose, nitrocellulose ester, polyurethane resin, polyester resin or more than one
Mixture.
8. the degradable ceramic cutlery box of heat preservation according to claim 2 or 3, which is characterized in that the oil-proofing agent is sun
Ion sheet paper fluorocarbon oil resistant agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811109501.8A CN108947326B (en) | 2018-09-21 | 2018-09-21 | Thermal insulation degradable ceramic lunch box and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811109501.8A CN108947326B (en) | 2018-09-21 | 2018-09-21 | Thermal insulation degradable ceramic lunch box and preparation method thereof |
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| CN108947326B CN108947326B (en) | 2021-05-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108892472A (en) * | 2018-09-21 | 2018-11-27 | 席小兵 | The ceramic tableware and production method of heat-preserving health-care |
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| CN1513919A (en) * | 2003-08-22 | 2004-07-21 | 杨长利 | Biodegradable composition and its use in manufacturing dinnerware |
| JP2009275087A (en) * | 2008-05-13 | 2009-11-26 | Japan Polypropylene Corp | Propylene-based composite resin composition, and extrusion molded product using the same |
| CN202653737U (en) * | 2012-07-31 | 2013-01-09 | 东营市康森秸秆制品有限公司 | Degradable dish |
| CN106317923A (en) * | 2016-08-15 | 2017-01-11 | 陈隽 | Manufacturing method of green and environmentally friendly tableware |
| CN108175235A (en) * | 2017-12-26 | 2018-06-19 | 微徽房地产经纪（上海）有限公司 | A kind of Washing-free bowl and preparation method thereof |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1513919A (en) * | 2003-08-22 | 2004-07-21 | 杨长利 | Biodegradable composition and its use in manufacturing dinnerware |
| JP2009275087A (en) * | 2008-05-13 | 2009-11-26 | Japan Polypropylene Corp | Propylene-based composite resin composition, and extrusion molded product using the same |
| CN202653737U (en) * | 2012-07-31 | 2013-01-09 | 东营市康森秸秆制品有限公司 | Degradable dish |
| CN106317923A (en) * | 2016-08-15 | 2017-01-11 | 陈隽 | Manufacturing method of green and environmentally friendly tableware |
| CN108175235A (en) * | 2017-12-26 | 2018-06-19 | 微徽房地产经纪（上海）有限公司 | A kind of Washing-free bowl and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108892472A (en) * | 2018-09-21 | 2018-11-27 | 席小兵 | The ceramic tableware and production method of heat-preserving health-care |
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| CN108947326B (en) | 2021-05-04 |
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