CN110003574A - A kind of environment protecting tableware - Google Patents
A kind of environment protecting tableware Download PDFInfo
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- CN110003574A CN110003574A CN201910221299.6A CN201910221299A CN110003574A CN 110003574 A CN110003574 A CN 110003574A CN 201910221299 A CN201910221299 A CN 201910221299A CN 110003574 A CN110003574 A CN 110003574A
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- protecting tableware
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Table Devices Or Equipment (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The purpose of the present invention is to provide the easy degradation of one kind, waterproof effect and slickness are good, intensity can satisfy use demand and the simple environment protecting tableware of preparation process, the environment protecting tableware are prepared by the following raw material: the inorganic mineral powder of 50~85 mass parts；The polyethylene of 15~23 mass parts；The polypropylene of 15~22 mass parts；And 3~5 mass parts auxiliary agent, wherein polypropylene be density 800kg/m3~1000kg/m3Copolymer polypropylene.
Description
Technical field
The invention belongs to daily necessities fields, are related to a kind of environment protecting tableware.
Background technique
The disposable tablewares such as disposable spoon, bowl, cup mostly use plastics to be made, and have extensive application in catering industry.Due to
Using dispersion, these disposable tablewares are usually arbitrarily abandoned after, seriously pollute environment；Even if being carried out at concentration after
Reason, due to being infected with swill, disposable tableware is also difficult to cycling and reutilization, generally can only fill or burn, equally to ring
There is serious harm in border.
In order to reduce environmental pollution, occur a variety of environment-friendly type disposable tablewares in the prior art.These environment-friendly types are primary
Property tableware be mainly made of materials such as starch or plant fibers, there is biological degradability, therefore no matter abandon or fill burning, ring
Border pollution is smaller.However, the material of this kind of biological degradability usually requires the progress of the chemical reagent such as soda acid in the fabrication process
Denaturation treatment generates a large amount of waste water in the process, still harmful to environment.In addition, Biodegradable material usually has centainly
Hydrophily and rigidity and toughness are not strong enough, in order to guarantee health, when manufacture should not also use multiprocessing (for example, by using reagent into
Row hydrophobic treatment), therefore the above-mentioned usual waterproof effect of environment-friendly type disposable tableware and surface smoothness is not ideal enough, intensity
Also not enough, influence use feeling and be difficult to promote.
Summary of the invention
A kind of degradation, waterproof effect are easy and slickness is good, intensity can satisfy using needing to solve the above problems, providing
It asks and the simple environment protecting tableware of preparation process, present invention employs following technical solutions:
The present invention provides a kind of environment protecting tablewares, it is characterised in that: the environment protecting tableware is prepared by the following raw material: 50~
The inorganic mineral powder of 85 mass parts；The polyethylene of 15~23 mass parts；The polypropylene of 15~22 mass parts；And 3~5 mass parts
Auxiliary agent, wherein polypropylene is density 800kg/m3~1000kg/m3Copolymer polypropylene.
Environment protecting tableware provided by the invention can also have such technical characteristic, wherein auxiliary agent include heat stabilizer,
Polyolefin elastomer, lubricant, surface modifier, heat stabilizer BASF225, lubricant are in zinc stearate L-806, PP wax
One or both mixture, the mixture of one of surface modifier PN-827, stearic acid 1801 or both.
Environment protecting tableware provided by the invention can also have such technical characteristic, wherein auxiliary agent further includes biodegrade
Agent, the additional amount of the biodegradation agent are the 0.5%~1% of whole total mass of raw materiales.
Environment protecting tableware provided by the invention can also have such technical characteristic, wherein inorganic mineral powder be calcium carbonate,
Calcium sulfate, copper sulphate, silica, bentonite, silver mountain flour, carclazyte, talcum powder, whiting, zinc oxide, hollow glass are micro-
Pearl, gritty dust, waste coal ground-slag, useless coal gangue powder, useless building materials mountain flour, the one or more of of air PM2.5 dust collection object mix
Close object.
Environment protecting tableware provided by the invention can also have such technical characteristic, wherein inorganic mineral powder is average grain diameter
1 μm~5 μm of calcination of calcium carbonate or non-calcination of calcium carbonate.
Environment protecting tableware provided by the invention can also have such technical characteristic, wherein the preparation method of environment protecting tableware
Include the following steps: step S1, weighs the inorganic mineral powder of 70~85 mass parts, the polyethylene of 15~23 mass parts, 15~22 matter
The auxiliary agent of the polypropylene and 3~5 mass parts of measuring part, which is added to the mixer, mixes 20 with the revolving speed of 100r/min~130r/min
Minute~25 minutes, obtain raw mixture；Step S2, to raw mixture under the conditions of 180 DEG C~250 DEG C continuous mixing,
And the fusant obtained after mixing progress high speed pelletizing is obtained into master batch；Step S3 is dried master batch, is vented and is dehydrated,
Obtain drying master batch；Drying master batch injection molding is obtained environment protecting tableware using injection-moulding device, wherein in step S3 by step S4
The condition of dehydration be that master batch is dehydrated to water content count in mass ratio less than a ten thousandth.
Environment protecting tableware provided by the invention can also have such technical characteristic, wherein the process of injection molding are as follows:
Drying master batch is extracted to the feed bin of injection-moulding device, filling is to mold after being heated up to 280 DEG C~320 DEG C, and then pressure maintaining is vented to
It is cooling, it is demoulded after cooling, obtains environment protecting tableware.
Environment protecting tableware provided by the invention can also have such technical characteristic, wherein the dehydration in step S3 uses
Vacuum dewatering apparatus carries out.
Invention action and effect
The environment protecting tableware provided according to the present invention, due to the inorganic mineral powder using 50~85 mass parts, 15~23 mass parts
Polyethylene, the polypropylene of 15~25 mass parts and the auxiliary agent of 3~5 mass parts be made, and wherein polypropylene be density
The copolymer polypropylene of 800kg/m3~1000kg/m3, therefore appearance and intensity are good, heat-resisting water-tolerant, hardly shedding and
Degradability is good, will not also generate white pollution while being suitble to routine use, meet ecological requirements.
Specific embodiment
Illustrate a specific embodiment of the invention with reference to embodiments.
<embodiment one>
The environment protecting tableware of the present embodiment one is bowl-type, and conventional bowl-shape mold is used form, thus dimensions with it is normal
The disposable plastic bowl of rule is identical (specially outer diameter 8cm, depth 5cm, thickness 0.2cm).
The preparation process of the environment protecting tableware of the present embodiment includes the following steps:
Step S1 weighs the inorganic mineral powders of 70~85 mass parts, the polyethylene of 15~23 mass parts, 15~22 mass parts
Polypropylene and the auxiliary agent of 3~5 mass parts be added to the mixer with the revolving speed of 100r/min~130r/min mix 20 minutes~
25 minutes, obtain raw mixture；
Step S2, continuous mixing, and the melting that will be obtained after mixing under the conditions of 180 DEG C~250 DEG C to raw mixture
Object carries out high speed pelletizing and obtains master batch；
Step S3 is dried master batch, is vented and is dehydrated, obtains drying master batch；
Drying master batch injection molding is obtained environment protecting tableware using injection-moulding device by step S4.Specific injection molding process
Are as follows: drying master batch is extracted to the feed bin of injection-moulding device, filling is to mold after being heated up to 280 DEG C~320 DEG C, and then pressure maintaining is vented
To cooling, is demoulded after cooling, obtain environment protecting tableware.
In the present embodiment, the actual conditions of each step are as follows:
The specific additional amount of each ingredient employed in step S1 are as follows: the inorganic mineral powder of 78 mass parts, 16 mass parts it is poly-
The polypropylene and auxiliary agent of ethylene, 20 mass parts.
Wherein, polypropylene uses density for 905kg/m3Copolymer polypropylene, the copolymer polypropylene using buying on the market
A variety of copolymer polypropylene using hybrid mode obtain, and mix after its averag density of sample detection be 905kg/m3.These
Respectively the trade mark is different for the copolymer polypropylene that market is bought, including but not limited to Singapore's chemistry AW564, Maoming Petrochemical EPC30R-
H, Guangzhou petrochemical industry J641, Samsung BJ-750 etc..
Auxiliary agent includes polyolefin elastomer, the BASF225 as heat stabilizer, the zinc stearate L-806 as lubricant
With PP wax, the PN-827 as surface modifier and stearic acid 1801, the specific additional amount of each auxiliary agent are as follows:
Polyolefin elastomer: 2 mass parts；
BASF225:1 mass parts；
Zinc stearate L-806:0.05 mass parts；
PP wax: 0.03 mass parts；
PN-827:0.3 mass parts；
Stearic acid 1801:0.3 mass parts.
In addition, the mixing revolving speed in step S1 is 110r/min, incorporation time 25 minutes, inorganic mineral powder used average grain diameter
About 3 μm of calcination of calcium carbonate.
The continuous mixing temperature condition of step S2 is 245 DEG C.
In step S3, the temperature of drying is controlled within the scope of 60 DEG C~70 DEG C, and dehydration is carried out using vacuum dewatering apparatus,
Dehydration conditions are that master batch is dehydrated to water content to count in mass ratio to be less than a ten thousandth.The specific number of the water content in the present embodiment
Value is meter 0.095 ‰ in mass ratio.
In step S4, injection-moulding device has feed bin, heating portion, filling part and a mold, specific structure and working principle with
The existing injection-moulding device suitable for plastic injection product is identical, and details are not described herein.In addition, mold cooling in the present embodiment
Coolant liquid uses chilled brine, so that be rapidly cooled to can calcining temperature for mold and bowl base therein.
<embodiment two>
In the present embodiment two, identical explanation is omitted for the method and condition that are the same as example 1.
In embodiment two, the preparation method step and process conditions of environment protecting tableware are the same as example 1, but raw material has
Institute is different, specifically:
Polypropylene uses density for 898kg/m3Copolymer polypropylene, the copolymer polypropylene using buy on the market it is a variety of
Copolymer polypropylene is obtained using hybrid mode, and its averag density of sample detection is 898kg/m after mixing3.Other and implementation
Example one is identical.
Therefore, compared with embodiment one, copolymer polypropylene density employed in the present embodiment is relatively low.
<embodiment three>
In the present embodiment three, identical explanation is omitted for the method and condition that are the same as example 1.
In embodiment three, preparation method step, raw material dosage and the process conditions of environment protecting tableware are the same as example 1,
But raw material type is different, specifically:
Wherein, polypropylene uses density for 910kg/m3Copolymer polypropylene, the copolymer polypropylene using buying on the market
A variety of copolymer polypropylene using hybrid mode obtain, and mix after its averag density of sample detection be 910kg/m3.Other
It is the same as example 1.
Therefore, compared with embodiment one, copolymer polypropylene density employed in the present embodiment is relatively high.
<comparative example one>
In comparative example one, preparation method step, raw material dosage and the process conditions of environment protecting tableware are the same as example 1,
But raw material type is different, specifically:
Wherein, polypropylene uses density for 905kg/m3The homopolypropylene of left and right, the homopolypropylene are to purchase on the market
After several homopolypropylene mixing obtained, the density homopolymerization poly- third essentially identical with the copolymer polypropylene density of embodiment one is formed
Alkene mixture.
Therefore, compared with embodiment one, polypropylene type employed in this comparative example is homopolypropylene.
<comparative example two>
In comparative example two, in the raw material of environment protecting tableware be free of polypropylene, other preparation method steps, raw material type and add
Amount and process conditions are the same as example 1.
<comparative example three>
In comparative example three, preparation method step, raw material dosage and the process conditions of environment protecting tableware are the same as example 1,
But polyethylene is not added in raw material.
<comparative example four>
In comparative example four, preparation method step, raw material dosage and the process conditions of environment protecting tableware are the same as example 1,
But master batch is only simply dried without dehydration, and water content is about 4/10000ths in the drying master batch finally obtained.
Embodiment action and effect
The environment protecting tableware (i.e. paper bowl for enviroment protection) of the various embodiments described above and comparative example is tested for the property.In addition, in order to illustrate
The difference of environment protecting tableware Yu common disposable plastic tableware of the invention additionally uses the common city of identical size in test process
Plastic bowl is sold as control sample.
Performance test include appearance test, strength test, drop test, resistance to Thermal test, leak test, shedding test and
Degradation test.
Wherein, appearance test is to visually observe whether product appearance is smooth neatly, whether has breach and burr flash under lamp
Equal defective products phenomenon.
Using the form of weight bearing test, concrete operations are that bowl is placed between two blocks of plate glass for strength test, are then existed
Upside glass centre places counterweight, then places the difference in height between the two blocks of glass in counterweight front and back using ruler measurement, and calculate
Height change percentage.
Drop test be by bowl from about 1m height to cement flooring freely falling body, whether intact observe bowl body.
Resistance to Thermal test is to immerse bowl in 90 DEG C or more hot water to be kept for 10 minutes, then takes out whether observation bowl body deforms simultaneously
It contains normal-temperature water and sees whether leak, if both indeformable or water-tight, heat resistance is good.
Leak test is kept for 72 hours to immerse bowl in room temperature water, is then taken out and is wiped dry, is filled with water and sees whether again
Leakage.
Shedding test uses observation, that is, takes bowl to cut off into multiple small pieces and by small pieces phase mutual friction, observes friction part
Whether shedding phenomenon is had, the small pieces quantity occurred using shedding is divided by total small pieces quantity as shedding rate.
The process of degradation test are as follows: multiple bowls are cut into the identical small pieces of area, record each in natural ultraviolet light (i.e. phase
When the ultraviolet light of the uitraviolet intensity contained by natural sunlight) under the conditions of be degraded to and lose complete lamellar morphology and (formed tiny broken
The form of piece or powder) needed for time, be averaged as degradation time.
The following table 1 is the performance test results of paper bowl for enviroment protection being prepared in above-mentioned each Examples and Comparative Examples, in table
" control " refers to common commercially available disposable plastic bowl.
The environment protecting tableware performance parameter of 1 Examples and Comparative Examples of table
| Group | Appearance | Weight bearing variation | Fall | It is heat-resisting | Leak | Shedding rate | Degradation time (day) |
| Embodiment one | Well | 0.9% | It is intact | Well | It is water-tight | < 0.5% | 190 |
| Embodiment two | Well | 1.3% | It is intact | Well | It is water-tight | < 0.5% | 190 |
| Embodiment three | Well | 0.5% | It is intact | Well | It is water-tight | < 0.5% | 195 |
| Comparative example one | Well | 5.5% | There are micro-cracks | Well | Slight leakage | < 0.5% | 175 |
| Comparative example two | It is rough | 9.5% | It is intact | There is deformation | Slight leakage | 5% | 145 |
| Comparative example three | Well | 0.5% | There is crack | Well | Well | 2% | 185 |
| Comparative example four | It is rough | 1.1% | It is intact | There is deformation | Slight leakage | 5% | 165 |
| Control | Well | 1.3% | It is intact | It is intact | It is intact | Without shedding phenomenon | It is non-degradable |
As shown in table 1, the apparent property of the environment protecting tableware of one~embodiment of embodiment three is good, intensity (load-bearing capacity and
Drop performance) well, heat resistance and water resistance are good, hardly shedding, therefore can satisfy the use demand of tableware.Meanwhile
The environment protecting tableware of embodiment was finished at six months or so with regard to degradation, therefore white pollution will not be generated not recycling, more
Environmental protection.
Compared with embodiment one, the shedding rate of comparative example two is higher, illustrates polypropylene for inhibiting shedding to have effect.Together
When, comparative example two it is rough, intensity is relatively poor, and heat-resisting water resistance is poor, illustrates polypropylene also and have that promotion is strong
Spend, promoted the effect of heat-resisting water resistance.
Further, compared with embodiment one, the intensity of comparative example one is relatively low, and heat-resisting water resistance is not ideal enough, says
Bright copolymer polypropylene becomes apparent the promotion of these performances compared with homopolypropylene, is more suitable for answering in environment protecting tableware
With.The properties that the environment protecting tableware of copolymer polypropylene is added can just meet tableware use demand, therefore environment protecting tableware should be adopted
With copolymer polypropylene rather than homopolypropylene.
Compared with embodiment one, resistance to the falling property of comparative example three is poor, illustrate after polyethylene is mixed with copolymer polypropylene for
The toughness of product is beneficial.
Compared with embodiment one, the heat resistance and water resistance of comparative example four are undesirable, illustrate the water content of drying master batch
Control is conducive to be promoted below a ten thousandth the heat resistance and water resistance of finished product.
In addition, inventor has carried out comparative test also directed to various auxiliary agents, discovery is when being added without heat stabilizer and anti-oxidant
When agent, resin can rapidly deterioration by oxidation during heating, can not form；When being added without lubricant, raw material be difficult to mix and
Poor fluidity can not successfully be extruded into the good master batch of shape, even if forming master batch, these master batches are also difficult in injection molding
Even melting can not make even green body when being filled to mold, so that deformation of products or surface be caused to form concave point or bubble.Cause
This, being added without heat stabilizer, antioxidant and lubricant influences tableware molding, even if molding, properties are also paid no attention to reluctantly
Think, is unable to satisfy normal use demand.
As it can be seen that according to environment protecting tableware provided by the above embodiment, due to using 50~85 mass parts inorganic mineral powder, 15~
The auxiliary agent of the polyethylene of 23 mass parts, the polypropylene of 15~25 mass parts and 3~5 mass parts is made, and wherein polypropylene
For the copolymer polypropylene of density 800kg/m3~1000kg/m3, therefore appearance and intensity are good, heat-resisting water-tolerant, hardly
Shedding and degradability is good will not also generate white pollution while being suitble to routine use, meet ecological requirements.
Further, it due to also containing heat stabilizer, antioxidant in the auxiliary agent of above-described embodiment, can smoothly complete
During injection molding, so that the good product of appearance be made.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that the ordinary skill of this field is without wound
The property made labour, which according to the present invention can conceive, makes many modifications and variations.Therefore, all technician in the art
Pass through the available technology of logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Scheme, all should be within the scope of protection determined by the claims.
For example, inorganic mineral powder is calcium carbonate in the various embodiments described above, but other kinds of nothing can also be used in the present invention
Machine miberal powder, for example, calcium sulfate, copper sulphate, silica, bentonite, silver mountain flour, carclazyte, talcum powder, whiting, zinc oxide,
Hollow glass micropearl, gritty dust, waste coal ground-slag, useless coal gangue powder, one kind of useless building materials mountain flour, air PM2.5 dust collection object
Or several mixture.Preparation need directly contact with food tableware when, be contemplated that using cleaning it is nontoxic, meet health
The material of demand, such as calcium carbonate, talcum powder；The tableware directly contacted with food, such as cutlery box surrounding layer are not needed in preparation
When, the inorganic mineral powder material of other classifications, such as waste coal ground-slag, useless coal gangue powder can also be used.
In above-described embodiment, auxiliary agent mainly includes polyolefin elastomer, heat stabilizer, lubricant, surface modifier etc., and
And these auxiliary agents and primary raw material cooperate, and can be added without photodegradable aid (such as photodegradable aid applied to degradation plastic)
In the case where just realize environment protecting tableware light degradation.In the present invention, in order to further increase degradation property, inventor is also tested
A variety of degradation agents in the prior art (biological species degradation agent, photodegradable aid including being applied to degradation plastic), discovery is worked as
Be added biological species degradation agent and be added mass percent be 0.5%~1% (according to the gross mass meter of whole raw materials) when, environmental protection
Tableware has the physical property essentially identical with the environment protecting tableware of embodiment one, and can be degraded to strip or little particle
It was further thoroughly degraded at 2 years or so after shape powdered.Such environment protecting tableware degradation is more thorough compared to the examples,
It is more environmentally-friendly.In addition, biological species degradation agent is typically free of the ingredient harmful to health such as heavy metal, (photodegradable aid then often contains this
Constituents), therefore biodegradation agent, which is added, so that tableware is contained toxic component, meet health demand.
In the various embodiments described above, environment protecting tableware is the form that environment protection type disposable bowl is prepared into via bowl-type mold, but at this
In invention, according to the mold of other forms, then environment protecting tableware can be also prepared into other common tableware forms, including meal
Box, disk, dish, knife, fork, spoon, chopsticks, cup, tank, pot etc..
Claims (8)
1. a kind of environment protecting tableware, it is characterised in that:
The environment protecting tableware is prepared by the following raw material:
The inorganic mineral powder of 50~85 mass parts；
The polyethylene of 15~23 mass parts；
The polypropylene of 15~25 mass parts；And
The auxiliary agent of 3~5 mass parts,
Wherein, the polypropylene is density 800kg/m3~1000kg/m3Copolymer polypropylene.
2. environment protecting tableware according to claim 1, it is characterised in that:
Wherein, the auxiliary agent includes heat stabilizer, polyolefin elastomer, lubricant, surface modifier,
The heat stabilizer is BASF225,
The lubricant is the mixture of one of zinc stearate L-806, PP wax or both,
The surface modifier is the mixture of one of PN-827, stearic acid 1801 or both.
3. environment protecting tableware according to claim 2, it is characterised in that:
Wherein, the auxiliary agent further includes biodegradation agent, and the additional amount of the biodegradation agent is the 0.5% of whole total mass of raw materiales
~1%.
4. environment protecting tableware according to claim 1, it is characterised in that:
Wherein, the inorganic mineral powder is calcium carbonate, calcium sulfate, copper sulphate, silica, bentonite, silver mountain flour, carclazyte, cunning
Mountain flour, whiting, zinc oxide, hollow glass micropearl, gritty dust, waste coal ground-slag, useless coal gangue powder, useless building materials mountain flour, air
One or more of mixtures of PM2.5 dust collection object.
5. environment protecting tableware according to claim 4, it is characterised in that:
Wherein, calcination of calcium carbonate or non-calcination of calcium carbonate that the inorganic mineral powder is 1 μm~5 μm of average grain diameter.
6. environment protecting tableware according to claim 1, it is characterised in that:
Wherein, the preparation method of the environment protecting tableware includes the following steps:
Step S1, weigh the inorganic mineral powder of 70~85 mass parts, the polyethylene of 15~23 mass parts, 15~22 mass parts poly- third
Alkene and the auxiliary agent of 3~5 mass parts, which are added to the mixer, mixes 20 minutes~25 points with the revolving speed of 100r/min~130r/min
Clock obtains raw mixture；
Step S2, continuous mixing, and the melting that will be obtained after mixing under the conditions of 180 DEG C~250 DEG C to the raw mixture
Object carries out high speed pelletizing and obtains master batch；
Step S3 is dried, is vented and is dehydrated to the master batch, obtains drying master batch；
The drying master batch injection molding is obtained the environment protecting tableware using injection-moulding device by step S4,
Wherein, the condition of the dehydration in step S3 be the master batch is dehydrated to water content count in mass ratio less than ten thousand/
One.
7. environment protecting tableware according to claim 6, it is characterised in that:
Wherein, the process of the injection molding are as follows: the drying master batch is extracted to the feed bin of the injection-moulding device, is heated up to
To mold, then pressure maintaining is vented to cooling, demoulds after cooling, obtains the environment protecting tableware for filling after 280 DEG C~320 DEG C.
8. environment protecting tableware according to claim 6, it is characterised in that:
Wherein, the dehydration in step S3 is carried out using vacuum dewatering apparatus.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910221299.6A CN110003574B (en) | 2019-03-22 | 2019-03-22 | Environment-friendly tableware |
| JP2019087008A JP6812493B2 (en) | 2019-03-22 | 2019-04-29 | Eco-friendly tableware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910221299.6A CN110003574B (en) | 2019-03-22 | 2019-03-22 | Environment-friendly tableware |
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| CN110003574A true CN110003574A (en) | 2019-07-12 |
| CN110003574B CN110003574B (en) | 2022-05-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114454435A (en) * | 2022-01-26 | 2022-05-10 | 山联(长兴)新材料股份有限公司 | Injection molding equipment for inorganic biodegradable tableware and processing method thereof |
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| JP2020151445A (en) | 2020-09-24 |
| CN110003574B (en) | 2022-05-31 |
| JP6812493B2 (en) | 2021-01-13 |
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