CN108517067A - A kind of preparation method of toughening mould-proof-type environment protecting tableware - Google Patents
A kind of preparation method of toughening mould-proof-type environment protecting tableware Download PDFInfo
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- CN108517067A CN108517067A CN201810371611.5A CN201810371611A CN108517067A CN 108517067 A CN108517067 A CN 108517067A CN 201810371611 A CN201810371611 A CN 201810371611A CN 108517067 A CN108517067 A CN 108517067A
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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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
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/06—Biodegradable
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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
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
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Abstract
The present invention relates to disposable tableware manufacturing technology fields, and in particular to a kind of preparation method of toughening mould-proof-type environment protecting tableware.The present invention is using modified poly ethylene molten liquid as base material, make chitosan-acetic acid solution by oneself and from preparing silicon collosol as modified accelerating agent, and it is aided with self-control antimicrobial emulsion and amber powder etc. and toughening mould-proof-type environment protecting tableware is prepared, it first will be from preparing silicon collosol and self-control chitosan-acetic acid solution hybrid reaction, form Si prediction, silazine link and silicon oxygen bond, to improve the toughness of environment protecting tableware, crab shell is put into Yoghourt again and is sealed by fermentation, itself and acetum are mixed to get self-control chitosan-acetic acid solution, further suppress the growth of bacterium, it is environmentally safe to make chitosan-acetic acid solution by oneself, by Ludox and self-control chitosan-acetic acid solution hybrid reaction, the toughness for being good for the environment tableware is improved, continue isothiazolinone and brufen being mixed and made into self-control antimicrobial emulsion, reach bactericidal mould proof effect, it is with a wide range of applications.
Description
Technical field
The present invention relates to disposable tableware manufacturing technology fields, and in particular to a kind of preparation of toughening mould-proof-type environment protecting tableware
Method.
Background technology
Currently, with fast food, taking out the development of industry, the usage amount of disposable tableware increases year by year, on the market primary
Property tableware include mainly mess-tin, chopsticks, spoon etc..Mess-tin is broadly divided into foaming kind, Plastic, pulp type, starch etc..
Foaming kind, plastics dishware are mainly using oil as raw material, and ingredient is polyethylene or polystyrene, it has difficult decomposition, toxic,
Be embedded in soil 100 years it is non-degradable the features such as, can release a large amount of poisonous gases in burning, environment is caused seriously
Harm.Also very big to the harm of health with it come packaged food, when especially filling hotter food with it, it is internal
Harmful substance will be sucked out, and be condensed on food, and people has eaten such food, not only liver, compromised kidneys, but also function
It also occur that variation.Paper pulp dishware uses paper pulp for raw material, after size degradation on particular manufacturing craft dehydration forming and thermocompression forming,
Product is made through processes such as inspection, disinfection and packagings again.Additionally need the process imparting papery class meal for increasing surface showering processing
Has the function of waterproof and oilproof, production technology is complicated, production cost is high.Though paper pulp dishware complies with the theory of environmental protection, its machine
Tool intensity is not high, can only disposably use, and environmental protection is seen on surface but reality causes huge waste.Starch dishware generally by
Sweet potato, corn and other starches are primary raw material, the ingredients such as foaming agent, lubricant, stabilizer, coupling agent are added, using extrusion molding or note
Modeling technique obtains.Starch dishware is specious, is easy degradation, but is limited by the structure of starch itself, starch dishware
Brittleness is larger, and easily goes mouldy when storage, it is difficult to large-scale popularization on the market.Chopsticks in disposable tableware are generally using tree
Wood or bamboo are made, and this wood chopsticks cause a large amount of forest lands to be ruined, and chopsticks inferior are not clean.
Therefore, there is an urgent need for develop a kind of environment protecting tableware that can be solved the above problems to be highly desirable.
Invention content
The technical problems to be solved by the invention：It is specious for current common environment protecting tableware, but by its own
Structure is limited, and environment protecting tableware is there are biological degradability difference and brittleness are big, while while storing easily goes mouldy, it is difficult to a large amount of on the market
The defect of popularization provides a kind of preparation method of toughening mould-proof-type environment protecting tableware.
In order to solve the above technical problems, the present invention is using technical solution as described below：
A kind of preparation method of toughening mould-proof-type environment protecting tableware, it is characterised in that specifically preparation process is：
（1）It weighs 45~50g crab shells to grind, obtains crab shell powder, then crab shell powder quality is added into crab shell powder
0.7% Yoghourt, is fitted into fermentation tank, is sealed by fermentation, and after fermentation, takes out tunning, the as production containing chitosan
Object continues to mix to be placed in beaker by the acetum that the product containing chitosan and mass fraction are 7% to stir, be made by oneself
Chitosan-acetic acid solution；
（2）Isothiazolinone, brufen and deionized water are mixed to be placed in ultrasonic wave separating apparatus and are ultrasonically treated, ultrasonic place is obtained
Liquid is managed, then the lauryl sodium sulfate of sonification fluid quality 3% is added into sonification fluid, it is super to continue keep frequency mixing
Sonication obtains self-control antimicrobial emulsion；
（3）Distilled water, ethyl orthosilicate and absolute ethyl alcohol are mixed, and are stirred to react, obtains reaction solution, then by reaction solution and salt
Acid mixing, and ultrasonic disperse in ultrasonic wave separating apparatus is moved into, still aging after waiting for ultrasonic disperse, discharging obtains self-control silicon
Colloidal sol；
（4）Weighing 42~47g polyethylene heat temperature raisings makes its softening, and 2~4g silica flours are sequentially added into the polyethylene after softening,
Continue to be mixed, obtain modified poly ethylene molten liquid, count in parts by weight, weighs 32~36 parts of modified poly ethylene meltings respectively
Liquid, 12~16 parts of self-control chitosan-acetic acid solutions, 10~12 parts of self-control antimicrobial emulsions, 6~8 parts from preparing silicon collosol, 2~4 parts of nothings
Water-ethanol and 3~5 parts of amber powder mixing are placed in blender and stir, and obtain mixture；
（5）Mixture is poured into compaction moulding in tableware shaping mould, obtains environment protecting tableware green body, is continued environment protecting tableware green body
It is placed in oven and dried, cooling molding discharges up to toughening mould-proof-type environment protecting tableware.
Step（1）The time that grinds is 16~20min, and fermentation temperature is 35~42 DEG C, fermentation time 10
~12 days, the mass ratio for the acetum that product and mass fraction containing chitosan are 7% was 5：1, mixing time be 9~
11min。
Step（2）The mass ratio of the isothiazolinone, brufen and deionized water is 3：1：5, sonification power
For 127~135W, supersound process frequency is 27~32kHz, and sonication treatment time is 35~45min, continues sonication treatment time
For 12~15min.
Step（3）The volume ratio of the distilled water, ethyl orthosilicate and absolute ethyl alcohol is 2：5：1, it is stirred to react temperature
It it is 51~55 DEG C, it is 21~24min to be stirred to react the time, and the volume ratio for the hydrochloric acid that reaction solution and mass fraction are 24% is 10：1,
Ultrasonic disperse frequency is 21~24kHz, and the ultrasonic disperse time is 32~36min, and the still aging time is 1~2 day.
Step（4）The heat temperature raising temperature is 81~85 DEG C, and continuation mixing time is 30~32min, whipping temp
It it is 35~45 DEG C, mixing time is 24~32min.
Step（5）The compaction moulding pressure be 4~6MPa, drying temperature be 65~70 DEG C, drying time be 45~
60min。
Compared with other methods, advantageous effects are the present invention：
（1）The present invention makes chitosan-acetic acid solution by oneself and from preparing silicon collosol as modification using modified poly ethylene molten liquid as base material
Accelerating agent, and be aided with self-control antimicrobial emulsion and amber powder etc. and toughening mould-proof-type environment protecting tableware is prepared, polyethylene is added first
Heat fusing obtains polyethylene molten liquid, it is blended with silica flour to obtain modified poly ethylene molten liquid, and with from preparing silicon collosol and from
Chitosan-acetic acid solution hybrid concurrency biology reason processed or chemical reaction, can form silicon-silicon bond, silicon-nitrogen key and silicon-oxygen key, this
A little covalent bonds are all flexible groups, to improve the toughness of environment protecting tableware, then crab shell are put into Yoghourt, and at a certain temperature
Sealing and fermenting obtains the product containing chitosan, it is mixed to obtain with acetum and makes chitosan-acetic acid solution by oneself,
Contain a large amount of hydroxyl and amino in middle self-control chitosan-acetic acid solution, due to the positive electricity of amino on self-control chitosan-acetic acid solution
Lotus is easy to be combined with the negative electrical charge of bacterium surface institute band, to inhibit the mobility of bacterium, further suppresses bacterium
Growth, while making chitosan-acetic acid solution energy penetration cell wall by oneself and inhibiting the shape of mRNA in its cell into the intracellular of bacterium
At, can also inhibit the growth of bacterium, the mildew resistance for being good for the environment tableware is improved, in addition make by oneself chitosan-acetic acid solution in
Chitosan itself there is excellent biodegradable, it in nature with the effects that microorganism, water, acid, alkali under can be complete
Complete to decompose, final product is carbon dioxide and water, environmentally safe, to improve the biodegradable of environment protecting tableware；
（2）The mixings such as ethyl orthosilicate and absolute ethyl alcohol are obtained by the reaction from preparing silicon collosol in the present invention, due to making silicon by oneself
Colloidal sol is rich in silica, and makes by oneself and contain a large amount of hydroxyl and amino in chitosan-acetic acid solution, by Ludox and self-control shell
Glycan acetum hybrid concurrency biology is managed or chemical reaction, can form silicon-nitrogen key and silicon-oxygen key, these covalent bonds are all
Flexible group, the toughness for being good for the environment tableware are improved, and continue to be mixed and made into isothiazolinone and brufen to make by oneself to resist
Bacterium lotion, and self-control antimicrobial emulsion is added to base material, when being combined due to isothiazolinone and brufen, isothiazolinone can lead to
The negative electrical charge for crossing active group and bacterium surface cell with positive charge mutually attracts, and physically destroys bacterial cell membrane,
Make bacterial death, while the smaller ibuprofen pharmaceutical molecule of relative molecular mass influences thin then by penetrating into cell interior
Born of the same parents' physiological activity, to reach bactericidal mould proof effect, the mildew resistance for being good for the environment tableware is improved, and has extensive answer
Use foreground.
Specific implementation mode
It weighs 45~50g crab shells and grinds 16~20min, obtain crab shell powder, then crab shell is added into crab shell powder
The Yoghourt of powder quality 0.7%, is fitted into fermentation tank, is sealed by fermentation 10~12 days under conditions of temperature is 35~42 DEG C, fermentation
After, take out tunning, the as product containing chitosan continues the product containing chitosan and mass fraction to be 7%
Acetum in mass ratio be 5：1 mixing is placed in 9~11min of stirring in beaker, obtains self-control chitosan-acetic acid solution；By matter
Amount is than being 3：1：5 by isothiazolinone, brufen and deionized water mix be placed in ultrasonic wave separating apparatus, power be 127~
135W, frequency are ultrasonically treated 35~45min under conditions of being 27~32kHz, obtain sonification fluid, then into sonification fluid
The lauryl sodium sulfate of sonification fluid quality 3% is added, continues keep frequency mixing and is ultrasonically treated 12~15min, obtain certainly
Antimicrobial emulsion processed；It is 2 by volume：5：1 mixes distilled water, ethyl orthosilicate and absolute ethyl alcohol, and is 51~55 in temperature
It is stirred to react 21~24min under conditions of DEG C, obtains reaction solution, then the hydrochloric acid that reaction solution and mass fraction are 24% is pressed into volume
Than being 10：1 mixing, and move into ultrasonic wave separating apparatus, 32~36min of ultrasonic disperse under conditions of frequency is 21~24kHz,
After waiting for ultrasonic disperse, still aging 1~2 day, discharging was obtained from preparing silicon collosol；Weigh 42~47g polyethylene heat temperature raisings
Make its softening to 81~85 DEG C, 2~4g silica flours sequentially added into the polyethylene after softening, continues 30~32min of mixing,
Obtain modified poly ethylene molten liquid, count in parts by weight, weigh respectively 32~36 parts of modified poly ethylene molten liquids, 12~16 parts from
Chitosan-acetic acid solution processed, 10~12 parts of self-control antimicrobial emulsions, 6~8 parts from preparing silicon collosol, 2~4 parts of absolute ethyl alcohols and 3~5 parts
Amber powder mixing is placed in blender, and 24~32min is stirred under conditions of temperature is 35~45 DEG C, obtains mixture；It will mix
It closes material to pour into tableware shaping mould, compaction moulding under conditions of pressure is 4~6MPa obtains environment protecting tableware green body, continues
Environment protecting tableware green body is put into baking oven, dry 45~60min under conditions of temperature is 65~70 DEG C, cooling molding, discharging
Up to toughening mould-proof-type environment protecting tableware.
It weighs 45g crab shells and grinds 16min, obtain crab shell powder, then crab shell powder quality is added into crab shell powder
0.7% Yoghourt, is fitted into fermentation tank, is sealed by fermentation under conditions of temperature is 35 DEG C 10 days, after fermentation, takes out fermentation
Product, the as product containing chitosan, continue will the product containing chitosan and mass fraction be 7% acetum by matter
Amount is than being 5：1 mixing, which is placed in beaker, stirs 9min, obtains self-control chitosan-acetic acid solution；It is 3 in mass ratio：1：5 by different thiophene
Oxazoline ketone, brufen and deionized water mixing are placed in ultrasonic wave separating apparatus, in the condition that power is 127W, frequency is 27kHz
Lower supersound process 35min obtains sonification fluid, then the dodecyl of sonification fluid quality 3% is added into sonification fluid
Sodium sulphate continues keep frequency mixing and is ultrasonically treated 12min, obtains self-control antimicrobial emulsion；It is 2 by volume：5：1 will distillation
Water, ethyl orthosilicate and absolute ethyl alcohol mixing, and it is stirred to react 21min under conditions of temperature is 51 DEG C, reaction solution is obtained, then
It is 10 by volume by the hydrochloric acid that reaction solution and mass fraction are 24%：1 mixing, and move into ultrasonic wave separating apparatus, it is in frequency
Ultrasonic disperse 32min under conditions of 21kHz, after waiting for ultrasonic disperse, still aging 1 day, discharging was obtained from preparing silicon collosol；
Weighing 42g polyethylene and being heated to 81 DEG C makes its softening, and 2g silica flours are sequentially added into the polyethylene after softening, continue to mix
Stir 30min, obtain modified poly ethylene molten liquid, count in parts by weight, weigh respectively 32 parts of modified poly ethylene molten liquids, 12 parts
Make that chitosan-acetic acid solution, 10 parts of self-control antimicrobial emulsions, 6 parts from preparing silicon collosol, 2 parts of absolute ethyl alcohols and the mixing of 3 parts of amber powders by oneself
It is placed in blender, stirs 24min under conditions of temperature is 35 DEG C, obtain mixture；Mixture is poured into tableware shaping mould
In tool, compaction moulding under conditions of pressure is 4MPa obtains environment protecting tableware green body, continues environment protecting tableware green body being put into baking oven
In, dry 45min under conditions of temperature is 65 DEG C, cooling molding discharges up to toughening mould-proof-type environment protecting tableware.
It weighs 47g crab shells and grinds 18min, obtain crab shell powder, then crab shell powder quality is added into crab shell powder
0.7% Yoghourt, is fitted into fermentation tank, is sealed by fermentation under conditions of temperature is 39 DEG C 11 days, after fermentation, takes out fermentation
Product, the as product containing chitosan, continue will the product containing chitosan and mass fraction be 7% acetum by matter
Amount is than being 5：1 mixing, which is placed in beaker, stirs 10min, obtains self-control chitosan-acetic acid solution；It is 3 in mass ratio：1：5 by different thiophene
Oxazoline ketone, brufen and deionized water mixing are placed in ultrasonic wave separating apparatus, in the condition that power is 130W, frequency is 29kHz
Lower supersound process 40min obtains sonification fluid, then the dodecyl of sonification fluid quality 3% is added into sonification fluid
Sodium sulphate continues keep frequency mixing and is ultrasonically treated 13min, obtains self-control antimicrobial emulsion；It is 2 by volume：5：1 will distillation
Water, ethyl orthosilicate and absolute ethyl alcohol mixing, and it is stirred to react 22min under conditions of temperature is 53 DEG C, reaction solution is obtained, then
It is 10 by volume by the hydrochloric acid that reaction solution and mass fraction are 24%：1 mixing, and move into ultrasonic wave separating apparatus, it is in frequency
Ultrasonic disperse 34min under conditions of 22kHz, after waiting for ultrasonic disperse, still aging 1 day, discharging was obtained from preparing silicon collosol；
Weighing 45g polyethylene and being heated to 83 DEG C makes its softening, and 3g silica flours are sequentially added into the polyethylene after softening, continue to mix
Stir 31min, obtain modified poly ethylene molten liquid, count in parts by weight, weigh respectively 34 parts of modified poly ethylene molten liquids, 14 parts
Make that chitosan-acetic acid solution, 11 parts of self-control antimicrobial emulsions, 7 parts from preparing silicon collosol, 3 parts of absolute ethyl alcohols and the mixing of 4 parts of amber powders by oneself
It is placed in blender, stirs 28min under conditions of temperature is 40 DEG C, obtain mixture；Mixture is poured into tableware shaping mould
In tool, compaction moulding under conditions of pressure is 5MPa obtains environment protecting tableware green body, continues environment protecting tableware green body being put into baking oven
In, dry 53min under conditions of temperature is 68 DEG C, cooling molding discharges up to toughening mould-proof-type environment protecting tableware.
It weighs 50g crab shells and grinds 20min, obtain crab shell powder, then crab shell powder quality is added into crab shell powder
0.7% Yoghourt, is fitted into fermentation tank, is sealed by fermentation under conditions of temperature is 42 DEG C 12 days, after fermentation, takes out fermentation
Product, the as product containing chitosan, continue will the product containing chitosan and mass fraction be 7% acetum by matter
Amount is than being 5：1 mixing, which is placed in beaker, stirs 11min, obtains self-control chitosan-acetic acid solution；It is 3 in mass ratio：1：5 by different thiophene
Oxazoline ketone, brufen and deionized water mixing are placed in ultrasonic wave separating apparatus, in the condition that power is 135W, frequency is 32kHz
Lower supersound process 45min obtains sonification fluid, then the dodecyl of sonification fluid quality 3% is added into sonification fluid
Sodium sulphate continues keep frequency mixing and is ultrasonically treated 15min, obtains self-control antimicrobial emulsion；It is 2 by volume：5：1 will distillation
Water, ethyl orthosilicate and absolute ethyl alcohol mixing, and it is stirred to react 24min under conditions of temperature is 55 DEG C, reaction solution is obtained, then
It is 10 by volume by the hydrochloric acid that reaction solution and mass fraction are 24%：1 mixing, and move into ultrasonic wave separating apparatus, it is in frequency
Ultrasonic disperse 36min under conditions of 24kHz, after waiting for ultrasonic disperse, still aging 2 days, discharging was obtained from preparing silicon collosol；
Weighing 47g polyethylene and being heated to 85 DEG C makes its softening, and 4g silica flours are sequentially added into the polyethylene after softening, continue to mix
Stir 32min, obtain modified poly ethylene molten liquid, count in parts by weight, weigh respectively 36 parts of modified poly ethylene molten liquids, 16 parts
Make that chitosan-acetic acid solution, 12 parts of self-control antimicrobial emulsions, 8 parts from preparing silicon collosol, 4 parts of absolute ethyl alcohols and the mixing of 5 parts of amber powders by oneself
It is placed in blender, stirs 32min under conditions of temperature is 45 DEG C, obtain mixture；Mixture is poured into tableware shaping mould
In tool, compaction moulding under conditions of pressure is 6MPa obtains environment protecting tableware green body, continues environment protecting tableware green body being put into baking oven
In, dry 60min under conditions of temperature is 70 DEG C, cooling molding discharges up to toughening mould-proof-type environment protecting tableware.
The environment protecting tableware that comparative example is produced with company of Chongqing City is as a comparison case
Environment protecting tableware in toughening mould-proof-type environment protecting tableware produced by the present invention and comparative example is detected, testing result such as table
Shown in 1：
Antibiotic property is tested
It is detected according to standard GB14934-2016.
The method of inspection of Escherichia coli is：The sterilizing filter paper of 20 2.0cm × 2.5cm is moistened with 1mL sterile salines
Piece（The gross area is 50cm2）.The inner wall surface that usually contact with food of selection tableware or with lip contact position, every sample distinguishes
Stick the sterilizing filter paper piece of 5 moistenings.It removes, is set in corresponding fluid nutrient medium after 30s.Respectively in 2 25cm2（5cm×
5cm）After areal extent uniformly smears entire grid 3 times back and forth, the part that sample is contacted with hand is cut off with sterilizing scissors, by sample
It is placed in corresponding fluid nutrient medium, inspection in 4h.
The method of inspection of salmonella is：Directly the sample after sampling is placed in 10mL buffered peptone waters.At 36 DEG C
18h~for 24 hours is cultivated under environment.
Anti-flammability tests V-0：Vertical sample stops burning in 10 seconds；It is not allow for drop；V-1：Vertical sample is 30
Stop burning in second；It is not allow for drop；V-2：Vertical sample stops burning in 30 seconds；Allow there is comburant to drip.
Oil resistance test will be placed on the tableware in toughening mould-proof-type environment protecting tableware produced by the present invention and comparative example
Without deformation in the time of 30min in the case of≤80 °, ne-leakage, tableware weight are without increase and decrease.
1 performance measurement result of table
From the data in table 1, it can be seen that toughening mould-proof-type environment protecting tableware produced by the present invention, has excellent in mechanical performance, good flame resistance, resists
Bacterium has excellent performance, recovery utilization rate is high, and environmentally safe and water-fast, oil resistant, heat resistance are good, hence it is evident that are better than comparative example
Sample.Therefore, there is wide prospect of the application.
Claims (6)
1. a kind of preparation method of toughening mould-proof-type environment protecting tableware, it is characterised in that specifically preparation process is：
（1）It weighs 45~50g crab shells to grind, obtains crab shell powder, then crab shell powder quality is added into crab shell powder
0.7% Yoghourt, is fitted into fermentation tank, is sealed by fermentation, and after fermentation, takes out tunning, the as production containing chitosan
Object continues to mix to be placed in beaker by the acetum that the product containing chitosan and mass fraction are 7% to stir, be made by oneself
Chitosan-acetic acid solution；
（2）Isothiazolinone, brufen and deionized water are mixed to be placed in ultrasonic wave separating apparatus and are ultrasonically treated, ultrasonic place is obtained
Liquid is managed, then the lauryl sodium sulfate of sonification fluid quality 3% is added into sonification fluid, it is super to continue keep frequency mixing
Sonication obtains self-control antimicrobial emulsion；
（3）Distilled water, ethyl orthosilicate and absolute ethyl alcohol are mixed, and are stirred to react, obtains reaction solution, then by reaction solution and salt
Acid mixing, and ultrasonic disperse in ultrasonic wave separating apparatus is moved into, still aging after waiting for ultrasonic disperse, discharging obtains self-control silicon
Colloidal sol；
（4）Weighing 42~47g polyethylene heat temperature raisings makes its softening, and 2~4g silica flours are sequentially added into the polyethylene after softening,
Continue to be mixed, obtain modified poly ethylene molten liquid, count in parts by weight, weighs 32~36 parts of modified poly ethylene meltings respectively
Liquid, 12~16 parts of self-control chitosan-acetic acid solutions, 10~12 parts of self-control antimicrobial emulsions, 6~8 parts from preparing silicon collosol, 2~4 parts of nothings
Water-ethanol and 3~5 parts of amber powder mixing are placed in blender and stir, and obtain mixture；
（5）Mixture is poured into compaction moulding in tableware shaping mould, obtains environment protecting tableware green body, is continued environment protecting tableware green body
It is placed in oven and dried, cooling molding discharges up to toughening mould-proof-type environment protecting tableware.
2. a kind of preparation method of toughening mould-proof-type environment protecting tableware according to claim 1, it is characterised in that：Step（1）
The time that grinds is 16~20min, and fermentation temperature is 35~42 DEG C, and fermentation time is 10~12 days, poly- containing shell
The mass ratio for the acetum that the product and mass fraction of sugar are 7% is 5：1, mixing time is 9~11min.
3. a kind of preparation method of toughening mould-proof-type environment protecting tableware according to claim 1, it is characterised in that：Step（2）
The mass ratio of the isothiazolinone, brufen and deionized water is 3：1：5, sonification power is 127~135W, ultrasound
Processing frequency is 27~32kHz, and sonication treatment time is 35~45min, and continuation sonication treatment time is 12~15min.
4. a kind of preparation method of toughening mould-proof-type environment protecting tableware according to claim 1, it is characterised in that：Step（3）
The volume ratio of the distilled water, ethyl orthosilicate and absolute ethyl alcohol is 2：5：1, it is 51~55 DEG C to be stirred to react temperature, stirring
Reaction time is 21~24min, and the volume ratio for the hydrochloric acid that reaction solution and mass fraction are 24% is 10：1, ultrasonic disperse frequency is
21~24kHz, ultrasonic disperse time are 32~36min, and the still aging time is 1~2 day.
5. a kind of preparation method of toughening mould-proof-type environment protecting tableware according to claim 1, it is characterised in that：Step（4）
The heat temperature raising temperature is 81~85 DEG C, and continuation mixing time is 30~32min, and whipping temp is 35~45 DEG C, stirring
Time is 24~32min.
6. a kind of preparation method of toughening mould-proof-type environment protecting tableware according to claim 1, it is characterised in that：Step（5）
The compaction moulding pressure is 4~6MPa, and drying temperature is 65~70 DEG C, and drying time is 45~60min.
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