CN109942899A - The degradable biological plastic foil and its processing technology of nano silica enhancing - Google Patents
The degradable biological plastic foil and its processing technology of nano silica enhancing Download PDFInfo
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Abstract
The invention discloses a kind of degradable biological plastic foils of nano silica enhancing, belong to biological plastics technology field of membrane materials.The present invention crushes bagasse, steam explosion, sieving, obtain single treatment bagasse, by single treatment bagasse, biogas slurry, sucrose, water mixed fermentation, it is subsequently added into iron nitrate solution, it is subsequently added into sodium hydroxide solution and adjusts pH, filtering, washing, it is dry, obtain secondary treatment bagasse, secondary treatment bagasse is stirred with ethyl orthosilicate, filtering, it is dry, heating charing step by step, nitrogen charging pyroreaction, cooling, high-temperature high-pressure steam reaction, obtain modified bagasse, by gelatinized starch, gelatin, chitosan and plants essential oil mixing, it is subsequently added into modified bagasse, magnesia, zinc oxide, emulsifier, drying oil and calcium nitrate solution, apply external magnetic field to be stirred, casting film-forming, knifing, up to degradable biological plastic foil.Degradable biological plastic foil provided by the invention has excellent mechanical property and waterproof performance.
Description
Technical field
The invention discloses the degradable biological plastic foils and its processing technology of a kind of enhancing of nano silica, belong to life
Object plastic film material technical field.
Background technique
The plastic wastes pollution of petrochemical industry production is world environments problem.After most of plastics one-time consumption use i.e.
It is dropped.Academia thinks so far, and plastic product is since physicalchemical structure is stable, possibility is tens of extremely in the natural environment
Centuries will not be decomposed.Therefore exploitation degradation plastic has a very important significance.
Starch Based Biodegradable Plastics are exactly the one kind for having Development volue in degradation plastic.Starch-based bio is degradable
Plastics are starch after esterification modification, and the hydroxyl on glucose unit is replaced by ester bond, and intermolecular hydrogen bond action is cut
It is weak, so that esterification starch has many advantages, such as thermoplasticity, hydrophobicity, it is widely used in weaving, papermaking, degradative plastics, water
Handle industry, medicine, food etc..But universal technique is to carry out chemical modification esterification at present, and a large amount of chemistry is not used only
Reagent may cause pollution, and complex steps, and energy consumption is high.
Chitosan is unique alkaline polysaccharide in nature, is the natural carbon water obtained after deacetylated by chitin
Compound copolymer.It highly tangles between chitosan molecule, there are more crystal structures in high deacetylated chitosan molecule,
Molecular rigidity is stronger, so that it is with film forming；Chitosan can form semi-permeable membrane in food surface, saturating with certain selection
The property crossed can control moisture evaporation, have barrier property；Chitosan can also inhibit thin by the metabolism of influence bacterium
The growth of bacterium；In addition, chitosan can also reach oxidation resistant purpose by removing free radical.
Chitosan have biocompatibility, biodegradability, it is nontoxic and pollution-free many advantages, such as, become preparation food
The excellent material of product packaging film.Nevertheless, chitosan film there are still bad mechanical property, water preventing ability is poor the problems such as.Current
Research mainly by improving the formula of chitosan packaging film, improves chitosan food and packs film properties.It reviews herein in recent years
Carry out domestic and international researcher to the progress of the mechanical performance of chitosan film, barrier property, anti-microbial property and antioxygenic property, wishes
It hopes and certain reference role is played to following research
Summary of the invention
The purpose of the present invention is to provide a kind of degradable biological plastic foil of nano silica enhancing and its processing works
Skill, to solve the problems of the prior art.
To achieve the above object, the invention provides the following technical scheme:
A kind of degradable biological plastic foil of nano silica enhancing, the raw material including following parts by weight: 10~20 parts of shallow lakes
Powder, 8~10 parts of gelatin, 1~2 part of chitosan, 2~3 parts of plants essential oils, 100~120 parts of water, 8~10 portions of bagasse, 0.1~
0.2 part of magnesia, 0.1~0.2 part of zinc oxide, 3~5 parts of emulsifiers, 2~3 parts of drying oil, 2~3 parts of calcium nitrate solutions.
The starch is glutinous rice starch, cornstarch, any one in starch from sweet potato or potato starch.
The plants essential oil is Rosemary Oil, and Lavender is any one in rose ethereal oil or jasmine essential oil
Kind.
The drying oil is tung oil, any one in Chinese catalpa oil or linseed oil.
The starch can also be gelatinized starch；The gelatinized starch includes the raw material of following parts by weight: 10~20 parts
Starch, 80~100 parts of water, 3~5 parts of epoxychloropropane, 2~3 parts of sodium hypochlorite.
The bagasse can also be modified bagasse；The modified bagasse includes the raw material of following parts by weight: 20
~30 portions of bagasse, 2~3 parts of biogas slurries, 0.1~0.2 portion of sucrose, 30~50 parts of water, 5~8 parts of iron nitrate solutions, 40~60 parts just
Silester.
The degradable biological plastic foil of the nano silica enhancing includes the raw material of following parts by weight: 20 parts of gelatinizations
Starch, 10 parts of gelatin, 2 parts of chitosans, 3 parts of plants essential oils, 120 parts of water, 10 parts of modified bagasses, 0.2 part of magnesia, 0.2 part
Zinc oxide, 5 parts of emulsifiers, 3 parts of drying oil, 3 parts of calcium nitrate solutions.
A kind of processing technology of the degradable biological plastic foil of nano silica enhancing, specific processing method are as follows:
(1) bagasse single treatment；
(2) bagasse secondary treatment；
(3) bagasse is modified；
(4) starch is mixed with water, and epoxychloropropane is added；
(5) step (4) gains are mixed with sodium hypochlorite；
(6) step (5) gains are mixed with water, Heat Gelatinization obtains gelatinized starch；
(7) mixing, molding；
(8) it detects.
The specific procedure of processing of the degradable biological plastic foil of the nano silica enhancing is as follows:
(1) bagasse is crushed, steam explosion, be sieved, obtain single treatment bagasse, crushed by steam explosion so that bagasse obtain into
The refinement of one step；
(2) by single treatment bagasse, biogas slurry, sucrose, water mixed fermentation is subsequently added into iron nitrate solution, is subsequently added into hydrogen-oxygen
Change sodium solution and adjust pH, filter, washing, drying to moisture content is 3~5%, obtains secondary treatment bagasse, in the process, is utilized
The enzyme that microorganism generates, the organic matter decomposed in bagasse fibre then, pass through so that the permeance property of fiber gets a promotion
Iron nitrate solution is added, since bacterium surface cell wall is negatively charged, can iron ion in enrichment system, be subsequently added into hydrogen-oxygen
Change sodium solution and adjust pH, so that the precipitation of iron ions of enrichment in the fibre, is then dried to certain moisture content, so that fiber is only interior
Contain moisture in portion；
(3) secondary treatment bagasse is stirred with ethyl orthosilicate, is filtered, dry, heating charing, nitrogen charging high temperature are anti-step by step
It answers, cools down, high-temperature high-pressure steam reaction obtains modified bagasse, in the process, firstly, inside secondary treatment bagasse
Moisture can be reacted with ethyl orthosilicate, generate nano silica, and deposit the filling of nano silica in the fibre,
So that the mechanical property of system is further promoted；Secondly, by charing, so that the iron hydroxide dehydration in fiber, with
System temperature continue to increase, the iron oxide of generation is restored by the carbonaceous in system, again, as system temperature continues to increase,
Simple substance carbon in carbon fiber, nano silica and nitrogen reaction generate hard silicon nitride skeleton, modified bagasse addition
Into system, so that the mechanical property of system is further promoted；Finally, the bagasse after charing passes through high-temperature high pressure water
Steam treatment, high-temperature high-pressure steam can be reacted with the fe in fiber, generate and have magnetic ferroso-ferric oxide, rear
Phase is stirred by applying external magnetic field, and under the action of externally-applied magnetic field, the modified bagasse in system good can disperse
In system, so that the mechanical property of product is further promoted, in forming process, due to modified bagasse fibre
Exist in dimension and contain magnetic ferroso-ferric oxide, enable to attract each other between modified bagasse, it is sweet to form modification in system
Bagasse connects network, connects network and is formed such that the mechanical property of system is further promoted；
(4) starch is mixed with water, and epoxychloropropane is added, after being stirred, obtain crosslinked starch mixture；
(5) crosslinked starch mixture is mixed with sodium hypochlorite, after being stirred, is filtered, washing obtains pretreated starch；
(6) pretreated starch is mixed, Heat Gelatinization with water, obtains gelatinized starch, modified gelatinized starch is advanced during the preparation process
Row pretreatment, after treatment, the dissolubility of starch reduces, so that the water resistance of product be made to improve；
(7) by gelatinized starch, gelatin, chitosan, plants essential oil and water mixing, modified bagasse, magnesia, oxidation are subsequently added into
Zinc, emulsifier, drying oil and calcium nitrate solution apply external magnetic field and are stirred, and casting film-forming, knifing is to get nanometer titanium dioxide
The degradable biological plastic foil of silicon enhancing is occupied by addition chitosan and plants essential oil, plant-derived essential oil in the process
The position of amount of activated group in chitosan skeleton, reduces the oscillation intensity of covalent bond in chitosan molecule, meanwhile, body
The free hydroxyl that hydrophilic bond can be formed in system with water, which is rolled into a ball, to be reduced, so that the water content of system reduces, so that system is anti-
It is aqueous further to be promoted.
The specific process of the degradable biological plastic foil of the nano silica enhancing is as follows:
(1) bagasse is placed in 40~60min of crushing in pulverizer, obtains crushing slag, will then crushed slag and be placed in steam-explosion jar
In, it is 2.5~3.5MPa in steam explosion pressure, under the conditions of temperature is 160~180 DEG C, the dwell time is 60~90s, opens discharging
Valve moment pressure release crosses the sieve of 150 mesh, obtains single treatment bagasse；
(2) by single treatment bagasse, biogas slurry, sucrose, water is placed in fermentation cauldron, under the conditions of temperature is 30~35 DEG C, mixing
Fermentation 3~5 days, then into fermentation cauldron be added mass fraction be 10~20% iron nitrate solution, in revolving speed be 400~600r/
Under the conditions of min, the sodium hydroxide solution that mass fraction is 20~30% is then added into fermentation cauldron and adjusts pH to 8.1~8.3
Afterwards, it filters, obtains No. 1 filter residue, be then neutral by No. 1 residue washing to cleaning solution with glacial acetic acid, then by No. 1 filter residue after washing
It is placed in baking oven, under the conditions of temperature is 105~110 DEG C, drying to moisture content is 3~5%, obtains secondary treatment bagasse；
(3) secondary treatment bagasse and ethyl orthosilicate are placed in single-necked flask, in revolving speed be 400~600r/min condition
Under, after being stirred 40~60min, filtering, obtain No. 2 filter residues, then No. 2 filter residues be placed in baking oven, in temperature be 105~
It is dry to constant weight under the conditions of 110 DEG C, No. 2 filter residues of dry deep-frying are obtained, then dry No. 2 filter residues are placed in sintering furnace, and with 60~
90mL/min is filled with nitrogen into furnace, and is warming up to 890~960 DEG C with 8~10 DEG C/min rate, in temperature be 890~960 DEG C
Under the conditions of, step by step heating charing 2~3h after, be warming up to 1450~1550 DEG C with 8~10 DEG C/min rate, in temperature be 1450~
1550 DEG C, under the conditions of nitrogen protection, after 2~3h of nitrogen charging pyroreaction, it is cooled to room temperature, sintering feed is obtained, then sets sintering feed
High-temperature high-pressure steam is filled with into furnace in autoclave, and with the rate of 100~120mL/min, in temperature be 280~320
DEG C, under the conditions of pressure is 1.8~2.2MPa, after high-temperature high-pressure steam reacts 1~2h, material must be handled, then sets processing material
In baking oven, under the conditions of temperature is 105~110 DEG C, modified bagasse is obtained；
(4) starch and water are placed in No. 1 beaker, under the conditions of revolving speed is 300~500r/min, are stirred 40~60min,
And epoxychloropropane is added in No. 1 beaker, under the conditions of revolving speed is 300~500r/min, after being stirred 40~60min, obtain
Crosslinked starch mixture；
(5) crosslinked starch mixture and sodium hypochlorite are placed in No. 2 beakers, No. 2 beakers is then placed in digital display and are tested the speed constant temperature
In magnetic stirring apparatus, in temperature be 45~56 DEG C, revolving speed be 500~600r/min under the conditions of, after being stirred 40~60min,
It filters, obtains filter cake, then obtain pretreated starch for Washing of Filter Cake 5~8 times with deionized water；
(6) pretreated starch and water are placed in No. 3 beakers, No. 3 beakers is then placed in digital display and are tested the speed constant temperature blender with magnetic force
In, it is 90~95 DEG C in temperature, under the conditions of revolving speed is 300~500r/min, 40~60min of Heat Gelatinization obtains gelatinized starch；
(7) gelatinized starch, gelatin, chitosan, plants essential oil and water are placed in batch mixer, in revolving speed be 1000~1200r/
Under the conditions of min, it is stirred 40~60min, modified bagasse, magnesia, zinc oxide, emulsification are then added into batch mixer
The calcium nitrate solution that agent, drying oil and mass fraction are 10~20%, applying intensity to material in batch mixer is the outer of 40~50T
Magnetic field is stirred 40~60min, obtains mixed slurry, then by mixing slurry under the conditions of revolving speed is 1000~1200r/min
Stream, which is prolonged, is placed in glass pane surface, and then glass plate is placed in baking oven, dry to perseverance under the conditions of temperature is 105~110 DEG C
Weight, the degradable biological plastic foil then enhanced with scraper knifing to get nano silica；
(8) performance detection is carried out to the degradable biological plastic foil of gained nano silica enhancing.
Compared with prior art, the beneficial effects of the present invention are:
(1) present invention is in the preparation process of modified bagasse, firstly, the enzyme generated using microorganism, decomposes bagasse fibre
In organic matter so that the permeance property of fiber gets a promotion, then, by the way that iron nitrate solution is added, since bacterium surface is thin
Cell wall is negatively charged, can iron ion in enrichment system, be subsequently added into sodium hydroxide solution and adjust pH, so that being enriched in fiber
In precipitation of iron ions, then dry to certain moisture content, so that fiber is only internal to contain moisture；Secondly, secondary treatment is sweet
Bagasse is mixed with ethyl orthosilicate, and the moisture inside secondary treatment bagasse can be reacted with ethyl orthosilicate, generates nanometer two
Silica, and deposit the filling of nano silica, so that the mechanical property of system is further promoted in the fibre；
Secondly, so that the iron hydroxide dehydration in fiber, as system temperature continues to increase, the iron oxide of generation is by body by charing
Carbonaceous reduction in system, again, as system temperature continues to increase, the simple substance carbon in carbon fiber, nano silica and nitrogen
Solid/liquid/gas reactions generate hard silicon nitride skeleton, and modified bagasse is added in system, so that the mechanical property of system is obtained into one
The promotion of step；Finally, charing after bagasse by high-temperature high-pressure steam processing, high-temperature high-pressure steam can in fiber
Fe reaction, generate and have magnetic ferroso-ferric oxide, be stirred in the later period by application external magnetic field, in externally-applied magnetic field
Under the action of, the modified bagasse in system good can be dispersed in system, so that the mechanical property of product obtains
It is further to be promoted, in forming process, contains magnetic ferroso-ferric oxide due to existing in modified bagasse fiber, can make
Attract each other between modified bagasse, form modified bagasse in system and connect network, connect network and be formed such that system
Mechanical property further promoted,
(2) for the present invention by addition chitosan and plants essential oil, it is living that plant-derived essential oil occupies the part in chitosan skeleton
Property group position, reduce the oscillation intensity of covalent bond in chitosan molecule, meanwhile, in system can with water formed hydrophilic bond
Free hydroxyl roll into a ball reduce so that the water content of system reduces, so that the waterproof performance of system is further promoted.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
In order to which clearer explanation method provided by the invention is described in detail by following embodiment, in following implementation
The test method of each index of the degradable biological plastic foil of the nano silica enhancing made in example is as follows:
1. tensile strength: specific detection structure is as shown in table 1:
2. waterproof performance: dripping a droplet deionized water film surface is blended, measure the contact angle on water droplet both sides and be averaged.
Example 1
A kind of degradable biological plastic foil of nano silica enhancing, the raw material including following parts by weight: 20 parts of gelatinizations are formed sediment
Powder, 10 parts of gelatin, 2 parts of chitosans, 3 parts of plants essential oils, 120 parts of water, 10 parts of modified bagasses, 0.2 part of magnesia, 0.2 part of oxygen
Change zinc, 5 parts of emulsifiers, 3 parts of drying oil, 3 parts of calcium nitrate solutions.
The starch is glutinous rice starch.
The plants essential oil is Rosemary Oil.
The drying oil is any one in tung oil.
A kind of processing technology of the degradable biological plastic foil of nano silica enhancing, specific process are as follows:
(1) according to parts by weight, 30 portions of bagasse are successively taken, 3 parts of biogas slurries, 0.2 portion of sucrose, 50 parts of water, 8 parts of iron nitrate solutions, 60
Part ethyl orthosilicate, bagasse is placed in pulverizer and crushes 60min, obtains crushing slag, will then be crushed slag and is placed in steam explosion
It is 3.5MPa in steam explosion pressure, under the conditions of temperature is 180 DEG C, dwell time 90s opens the pressure release of outlet valve moment, mistake in tank
The sieve of 150 mesh obtains single treatment bagasse；
(2) by single treatment bagasse, biogas slurry, sucrose, water is placed in fermentation cauldron, under the conditions of temperature is 35 DEG C, mixed fermentation 5
It, then into fermentation cauldron be added mass fraction be 20% iron nitrate solution, in revolving speed be 600r/min under the conditions of, then to
After the sodium hydroxide solution adjusting pH to 8.3 that mass fraction is 30% is added in fermentation cauldron, filtering obtains No. 1 filter residue, then uses ice
No. 1 residue washing to cleaning solution is neutrality by acetic acid, then No. 1 filter residue after washing is placed in baking oven, in temperature be 110 DEG C of items
Under part, drying to moisture content is 5%, obtains secondary treatment bagasse；
(3) secondary treatment bagasse and ethyl orthosilicate are placed in single-necked flask, under the conditions of revolving speed is 600r/min, stirring
After mixing 60min, filtering obtains No. 2 filter residues, then No. 2 filter residues is placed in baking oven, and under the conditions of temperature is 110 DEG C, drying is extremely
Constant weight obtains No. 2 filter residues of dry deep-frying, then dry No. 2 filter residues is placed in sintering furnace, and nitrogen is filled with into furnace with 90mL/min,
And 960 DEG C are warming up to 10 DEG C/min rate, under the conditions of temperature is 960 DEG C, step by step after heating charing 3h, with 10 DEG C/min speed
Rate is warming up to 1550 DEG C, is 1550 DEG C in temperature, under the conditions of nitrogen protection, after nitrogen charging pyroreaction 3h, is cooled to room temperature, must burn
Sintering feed is then placed in autoclave by ramming material, and high-temperature high-pressure steam is filled with into furnace with the rate of 120mL/min, in
Temperature is 320 DEG C, under the conditions of pressure is 2.2MPa, after high-temperature high-pressure steam reacts 2h, must handle material, then sets processing material
In baking oven, under the conditions of temperature is 110 DEG C, modified bagasse is obtained；
(4) according to parts by weight, successively take 20 parts of starch, 100 parts of water, 5 parts of epoxychloropropane, 3 parts of sodium hypochlorite, by starch with
Water is placed in No. 1 beaker, under the conditions of revolving speed is 500r/min, is stirred 60min, and epoxy chloropropionate is added in No. 1 beaker
Alkane after being stirred 60min, obtains crosslinked starch mixture under the conditions of revolving speed is 500r/min；
(5) crosslinked starch mixture and sodium hypochlorite are placed in No. 2 beakers, No. 2 beakers is then placed in digital display and are tested the speed constant temperature
In magnetic stirring apparatus, it is 56 DEG C in temperature, under the conditions of revolving speed is 600r/min, after being stirred 60min, filters, obtain filter cake, connect
With deionized water by Washing of Filter Cake 8 times, obtain pretreated starch；
(6) pretreated starch and water are placed in No. 3 beakers, No. 3 beakers is then placed in digital display and are tested the speed constant temperature blender with magnetic force
In, it is 95 DEG C in temperature, under the conditions of revolving speed is 500r/min, Heat Gelatinization 60min obtains gelatinized starch；
(7) according to parts by weight, 20 parts of gelatinized starches are successively taken, 10 parts of gelatin, 2 parts of chitosans, 3 parts of plants essential oils, 120 parts
Water, 10 parts of modified bagasses, 0.2 part of magnesia, 0.2 part of zinc oxide, 5 parts of emulsifiers, 3 parts of drying oil, 3 parts of calcium nitrate solutions,
By gelatinized starch, gelatin, chitosan, plants essential oil and water are placed in batch mixer, under the conditions of revolving speed is 1200r/min, stirring
60min is mixed, modified bagasse, magnesia, zinc oxide, emulsifier, drying oil and mass fraction are then added into batch mixer
For 20% calcium nitrate solution, the external magnetic field that intensity is 50T is applied to material in batch mixer, in revolving speed be 1200r/min condition
Under, it is stirred 60min, obtains mixed slurry, mixed slurry curtain coating is then placed in glass pane surface, is then placed in glass plate
It is dry to constant weight under the conditions of temperature is 110 DEG C in baking oven, then with scraper knifing to get nano silica enhance can
Deteriorating biological plastics film；
(8) performance detection is carried out to the degradable biological plastic foil of gained nano silica enhancing.
Example 2
A kind of degradable biological plastic foil of nano silica enhancing, the raw material including following parts by weight: 20 parts of gelatinizations are formed sediment
Powder, 10 parts of gelatin, 2 parts of chitosans, 3 parts of plants essential oils, 120 parts of water, 10 portions of bagasse, 0.2 part of magnesia, 0.2 part of zinc oxide,
5 parts of emulsifiers, 3 parts of drying oil, 3 parts of calcium nitrate solutions.
The starch is glutinous rice starch.
The plants essential oil is Rosemary Oil.
The drying oil is any one in tung oil.
A kind of processing technology of the degradable biological plastic foil of nano silica enhancing, specific process are as follows:
(1) according to parts by weight, successively take 20 parts of starch, 100 parts of water, 5 parts of epoxychloropropane, 3 parts of sodium hypochlorite, by starch with
Water is placed in No. 1 beaker, under the conditions of revolving speed is 500r/min, is stirred 60min, and epoxy chloropropionate is added in No. 1 beaker
Alkane after being stirred 60min, obtains crosslinked starch mixture under the conditions of revolving speed is 500r/min；
(2) crosslinked starch mixture and sodium hypochlorite are placed in No. 2 beakers, No. 2 beakers is then placed in digital display and are tested the speed constant temperature
In magnetic stirring apparatus, it is 56 DEG C in temperature, under the conditions of revolving speed is 600r/min, after being stirred 60min, filters, obtain filter cake, connect
With deionized water by Washing of Filter Cake 8 times, obtain pretreated starch；
(3) pretreated starch and water are placed in No. 3 beakers, No. 3 beakers is then placed in digital display and are tested the speed constant temperature blender with magnetic force
In, it is 95 DEG C in temperature, under the conditions of revolving speed is 500r/min, Heat Gelatinization 60min obtains gelatinized starch；
(4) according to parts by weight, 20 parts of gelatinized starches are successively taken, 10 parts of gelatin, 2 parts of chitosans, 3 parts of plants essential oils, 120 parts
Water, 10 portions of bagasse, 0.2 part of magnesia, 0.2 part of zinc oxide, 5 parts of emulsifiers, 3 parts of drying oil, 3 parts of calcium nitrate solutions will be pasted
Change starch, gelatin, chitosan, plants essential oil and water are placed in batch mixer, under the conditions of revolving speed is 1200r/min, are stirred
Bagasse, magnesia, zinc oxide, emulsifier, the nitre that drying oil and mass fraction are 20% is then added in 60min into batch mixer
Sour calcium solution applies the external magnetic field that intensity is 50T to material in batch mixer, under the conditions of revolving speed is 1200r/min, is stirred
60min obtains mixed slurry, and mixed slurry curtain coating is then placed in glass pane surface, then glass plate is placed in baking oven, Yu Wen
It is dry to constant weight under the conditions of degree is 110 DEG C, the degradable biological modeling then enhanced with scraper knifing to get nano silica
Expect film；
(5) performance detection is carried out to the degradable biological plastic foil of gained nano silica enhancing.
Example 3
A kind of degradable biological plastic foil of nano silica enhancing, the raw material including following parts by weight: 20 parts of starch, 10
Part gelatin, 2 parts of chitosans, 3 parts of plants essential oils, 120 parts of water, 10 parts of modified bagasses, 0.2 part of magnesia, 0.2 part of zinc oxide, 5
Part emulsifier, 3 parts of drying oil, 3 parts of calcium nitrate solutions.
The starch is glutinous rice starch.
The plants essential oil is Rosemary Oil.
The drying oil is any one in tung oil.
A kind of processing technology of the degradable biological plastic foil of nano silica enhancing, specific process are as follows:
(1) according to parts by weight, 30 portions of bagasse are successively taken, 3 parts of biogas slurries, 0.2 portion of sucrose, 50 parts of water, 8 parts of iron nitrate solutions, 60
Part ethyl orthosilicate, bagasse is placed in pulverizer and crushes 60min, obtains crushing slag, will then be crushed slag and is placed in steam explosion
It is 3.5MPa in steam explosion pressure, under the conditions of temperature is 180 DEG C, dwell time 90s opens the pressure release of outlet valve moment, mistake in tank
The sieve of 150 mesh obtains single treatment bagasse；
(2) by single treatment bagasse, biogas slurry, sucrose, water is placed in fermentation cauldron, under the conditions of temperature is 35 DEG C, mixed fermentation 5
It, then into fermentation cauldron be added mass fraction be 20% iron nitrate solution, in revolving speed be 600r/min under the conditions of, then to
After the sodium hydroxide solution adjusting pH to 8.3 that mass fraction is 30% is added in fermentation cauldron, filtering obtains No. 1 filter residue, then uses ice
No. 1 residue washing to cleaning solution is neutrality by acetic acid, then No. 1 filter residue after washing is placed in baking oven, in temperature be 110 DEG C of items
Under part, drying to moisture content is 5%, obtains secondary treatment bagasse；
(3) secondary treatment bagasse and ethyl orthosilicate are placed in single-necked flask, under the conditions of revolving speed is 600r/min, stirring
After mixing 60min, filtering obtains No. 2 filter residues, then No. 2 filter residues is placed in baking oven, and under the conditions of temperature is 110 DEG C, drying is extremely
Constant weight obtains No. 2 filter residues of dry deep-frying, then dry No. 2 filter residues is placed in sintering furnace, and nitrogen is filled with into furnace with 90mL/min,
And 960 DEG C are warming up to 10 DEG C/min rate, under the conditions of temperature is 960 DEG C, step by step after heating charing 3h, with 10 DEG C/min speed
Rate is warming up to 1550 DEG C, is 1550 DEG C in temperature, under the conditions of nitrogen protection, after nitrogen charging pyroreaction 3h, is cooled to room temperature, must burn
Sintering feed is then placed in autoclave by ramming material, and high-temperature high-pressure steam is filled with into furnace with the rate of 120mL/min, in
Temperature is 320 DEG C, under the conditions of pressure is 2.2MPa, after high-temperature high-pressure steam reacts 2h, must handle material, then sets processing material
In baking oven, under the conditions of temperature is 110 DEG C, modified bagasse is obtained；
(4) according to parts by weight, 20 parts of starch are successively taken, 10 parts of gelatin, 2 parts of chitosans, 3 parts of plants essential oils, 120 parts of water, 10
Part modified bagasse, 0.2 part of magnesia, 0.2 part of zinc oxide, 5 parts of emulsifiers, 3 parts of drying oil, 3 parts of calcium nitrate solutions will be gelatinized
Starch, gelatin, chitosan, plants essential oil and water are placed in batch mixer, under the conditions of revolving speed is 1200r/min, are stirred
Modified bagasse is then added in 60min into batch mixer, and magnesia, zinc oxide, emulsifier, drying oil and mass fraction are 20%
Calcium nitrate solution, in batch mixer material apply intensity be 50T external magnetic field, in revolving speed be 1200r/min under the conditions of, stirring
60min is mixed, mixed slurry is obtained, mixed slurry curtain coating is then placed in glass pane surface, then glass plate is placed in baking oven,
It is dry to constant weight under the conditions of temperature is 110 DEG C, the degradable life then enhanced with scraper knifing to get nano silica
Object plastic foil；
(5) performance detection is carried out to the degradable biological plastic foil of gained nano silica enhancing.
Example 4
A kind of degradable biological plastic foil of nano silica enhancing, the raw material including following parts by weight: 20 parts of gelatinizations are formed sediment
Powder, 10 parts of gelatin, 3 parts of plants essential oils, 120 parts of water, 10 parts of modified bagasses, 0.2 part of magnesia, 0.2 part of zinc oxide, 5 parts of creams
Agent, 3 parts of drying oil, 3 parts of calcium nitrate solutions.
The starch is glutinous rice starch.
The plants essential oil is Rosemary Oil.
The drying oil is any one in tung oil.
A kind of processing technology of the degradable biological plastic foil of nano silica enhancing, specific process are as follows:
(1) according to parts by weight, 30 portions of bagasse are successively taken, 3 parts of biogas slurries, 0.2 portion of sucrose, 50 parts of water, 8 parts of iron nitrate solutions, 60
Part ethyl orthosilicate, bagasse is placed in pulverizer and crushes 60min, obtains crushing slag, will then be crushed slag and is placed in steam explosion
It is 3.5MPa in steam explosion pressure, under the conditions of temperature is 180 DEG C, dwell time 90s opens the pressure release of outlet valve moment, mistake in tank
The sieve of 150 mesh obtains single treatment bagasse；
(2) by single treatment bagasse, biogas slurry, sucrose, water is placed in fermentation cauldron, under the conditions of temperature is 35 DEG C, mixed fermentation 5
It, then into fermentation cauldron be added mass fraction be 20% iron nitrate solution, in revolving speed be 600r/min under the conditions of, then to
After the sodium hydroxide solution adjusting pH to 8.3 that mass fraction is 30% is added in fermentation cauldron, filtering obtains No. 1 filter residue, then uses ice
No. 1 residue washing to cleaning solution is neutrality by acetic acid, then No. 1 filter residue after washing is placed in baking oven, in temperature be 110 DEG C of items
Under part, drying to moisture content is 5%, obtains secondary treatment bagasse；
(3) secondary treatment bagasse and ethyl orthosilicate are placed in single-necked flask, under the conditions of revolving speed is 600r/min, stirring
After mixing 60min, filtering obtains No. 2 filter residues, then No. 2 filter residues is placed in baking oven, and under the conditions of temperature is 110 DEG C, drying is extremely
Constant weight obtains No. 2 filter residues of dry deep-frying, then dry No. 2 filter residues is placed in sintering furnace, and nitrogen is filled with into furnace with 90mL/min,
And 960 DEG C are warming up to 10 DEG C/min rate, under the conditions of temperature is 960 DEG C, step by step after heating charing 3h, with 10 DEG C/min speed
Rate is warming up to 1550 DEG C, is 1550 DEG C in temperature, under the conditions of nitrogen protection, after nitrogen charging pyroreaction 3h, is cooled to room temperature, must burn
Sintering feed is then placed in autoclave by ramming material, and high-temperature high-pressure steam is filled with into furnace with the rate of 120mL/min, in
Temperature is 320 DEG C, under the conditions of pressure is 2.2MPa, after high-temperature high-pressure steam reacts 2h, must handle material, then sets processing material
In baking oven, under the conditions of temperature is 110 DEG C, modified bagasse is obtained；
(4) according to parts by weight, successively take 20 parts of starch, 100 parts of water, 5 parts of epoxychloropropane, 3 parts of sodium hypochlorite, by starch with
Water is placed in No. 1 beaker, under the conditions of revolving speed is 500r/min, is stirred 60min, and epoxy chloropropionate is added in No. 1 beaker
Alkane after being stirred 60min, obtains crosslinked starch mixture under the conditions of revolving speed is 500r/min；
(5) crosslinked starch mixture and sodium hypochlorite are placed in No. 2 beakers, No. 2 beakers is then placed in digital display and are tested the speed constant temperature
In magnetic stirring apparatus, it is 56 DEG C in temperature, under the conditions of revolving speed is 600r/min, after being stirred 60min, filters, obtain filter cake, connect
With deionized water by Washing of Filter Cake 8 times, obtain pretreated starch；
(6) pretreated starch and water are placed in No. 3 beakers, No. 3 beakers is then placed in digital display and are tested the speed constant temperature blender with magnetic force
In, it is 95 DEG C in temperature, under the conditions of revolving speed is 500r/min, Heat Gelatinization 60min obtains gelatinized starch；
(7) according to parts by weight, 20 parts of gelatinized starches, 10 parts of gelatin, 3 parts of plants essential oils, 120 parts of water, 10 parts of modifications are successively taken
Bagasse, 0.2 part of magnesia, 0.2 part of zinc oxide, 5 parts of emulsifiers, 3 parts of drying oil, 3 parts of calcium nitrate solutions, by gelatinized starch,
Gelatin, chitosan, plants essential oil and water are placed in batch mixer, under the conditions of revolving speed is 1200r/min, is stirred 60min, is connect
Be added modified bagasse into batch mixer, magnesia, zinc oxide, emulsifier, the calcium nitrate that drying oil and mass fraction are 20%
Solution applies the external magnetic field that intensity is 50T to material in batch mixer, under the conditions of revolving speed is 1200r/min, is stirred
60min obtains mixed slurry, and mixed slurry curtain coating is then placed in glass pane surface, then glass plate is placed in baking oven, Yu Wen
It is dry to constant weight under the conditions of degree is 110 DEG C, the degradable biological modeling then enhanced with scraper knifing to get nano silica
Expect film；
(8) performance detection is carried out to the degradable biological plastic foil of gained nano silica enhancing.
Example 5
A kind of degradable biological plastic foil of nano silica enhancing, the raw material including following parts by weight: 20 parts of gelatinizations are formed sediment
Powder, 10 parts of gelatin, 2 parts of chitosans, 120 parts of water, 10 parts of modified bagasses, 0.2 part of magnesia, 0.2 part of zinc oxide, 5 parts of emulsifications
Agent, 3 parts of drying oil, 3 parts of calcium nitrate solutions.
The starch is glutinous rice starch.
The drying oil is any one in tung oil.
A kind of processing technology of the degradable biological plastic foil of nano silica enhancing, specific process are as follows:
(1) according to parts by weight, 30 portions of bagasse are successively taken, 3 parts of biogas slurries, 0.2 portion of sucrose, 50 parts of water, 8 parts of iron nitrate solutions, 60
Part ethyl orthosilicate, bagasse is placed in pulverizer and crushes 60min, obtains crushing slag, will then be crushed slag and is placed in steam explosion
It is 3.5MPa in steam explosion pressure, under the conditions of temperature is 180 DEG C, dwell time 90s opens the pressure release of outlet valve moment, mistake in tank
The sieve of 150 mesh obtains single treatment bagasse；
(2) by single treatment bagasse, biogas slurry, sucrose, water is placed in fermentation cauldron, under the conditions of temperature is 35 DEG C, mixed fermentation 5
It, then into fermentation cauldron be added mass fraction be 20% iron nitrate solution, in revolving speed be 600r/min under the conditions of, then to
After the sodium hydroxide solution adjusting pH to 8.3 that mass fraction is 30% is added in fermentation cauldron, filtering obtains No. 1 filter residue, then uses ice
No. 1 residue washing to cleaning solution is neutrality by acetic acid, then No. 1 filter residue after washing is placed in baking oven, in temperature be 110 DEG C of items
Under part, drying to moisture content is 5%, obtains secondary treatment bagasse；
(3) secondary treatment bagasse and ethyl orthosilicate are placed in single-necked flask, under the conditions of revolving speed is 600r/min, stirring
After mixing 60min, filtering obtains No. 2 filter residues, then No. 2 filter residues is placed in baking oven, and under the conditions of temperature is 110 DEG C, drying is extremely
Constant weight obtains No. 2 filter residues of dry deep-frying, then dry No. 2 filter residues is placed in sintering furnace, and nitrogen is filled with into furnace with 90mL/min,
And 960 DEG C are warming up to 10 DEG C/min rate, under the conditions of temperature is 960 DEG C, step by step after heating charing 3h, with 10 DEG C/min speed
Rate is warming up to 1550 DEG C, is 1550 DEG C in temperature, under the conditions of nitrogen protection, after nitrogen charging pyroreaction 3h, is cooled to room temperature, must burn
Sintering feed is then placed in autoclave by ramming material, and high-temperature high-pressure steam is filled with into furnace with the rate of 120mL/min, in
Temperature is 320 DEG C, under the conditions of pressure is 2.2MPa, after high-temperature high-pressure steam reacts 2h, must handle material, then sets processing material
In baking oven, under the conditions of temperature is 110 DEG C, modified bagasse is obtained；
(4) according to parts by weight, successively take 20 parts of starch, 100 parts of water, 5 parts of epoxychloropropane, 3 parts of sodium hypochlorite, by starch with
Water is placed in No. 1 beaker, under the conditions of revolving speed is 500r/min, is stirred 60min, and epoxy chloropropionate is added in No. 1 beaker
Alkane after being stirred 60min, obtains crosslinked starch mixture under the conditions of revolving speed is 500r/min；
(5) crosslinked starch mixture and sodium hypochlorite are placed in No. 2 beakers, No. 2 beakers is then placed in digital display and are tested the speed constant temperature
In magnetic stirring apparatus, it is 56 DEG C in temperature, under the conditions of revolving speed is 600r/min, after being stirred 60min, filters, obtain filter cake, connect
With deionized water by Washing of Filter Cake 8 times, obtain pretreated starch；
(6) pretreated starch and water are placed in No. 3 beakers, No. 3 beakers is then placed in digital display and are tested the speed constant temperature blender with magnetic force
In, it is 95 DEG C in temperature, under the conditions of revolving speed is 500r/min, Heat Gelatinization 60min obtains gelatinized starch；
(7) according to parts by weight, 20 parts of gelatinized starches are successively taken, 10 parts of gelatin, 2 parts of chitosans, 120 parts of water, 10 parts of modifications are sweet
Bagasse, 0.2 part of magnesia, 0.2 part of zinc oxide, 5 parts of emulsifiers, 3 parts of drying oil, 3 parts of calcium nitrate solutions are bright by gelatinized starch
Glue, chitosan, plants essential oil and water are placed in batch mixer, under the conditions of revolving speed is 1200r/min, are stirred 60min, then
It is molten for 20% calcium nitrate that modified bagasse, magnesia, zinc oxide, emulsifier, drying oil and mass fraction are added into batch mixer
Liquid applies the external magnetic field that intensity is 50T to material in batch mixer, under the conditions of revolving speed is 1200r/min, is stirred 60min,
Mixed slurry is obtained, mixed slurry curtain coating is then placed in glass pane surface, then glass plate is placed in baking oven, is in temperature
It is dry to constant weight under the conditions of 110 DEG C, the degradable biological plastic foil then enhanced with scraper knifing to get nano silica；
(8) performance detection is carried out to the degradable biological plastic foil of gained nano silica enhancing.
Example 6
A kind of degradable biological plastic foil of nano silica enhancing, the raw material including following parts by weight: 20 parts of gelatinizations are formed sediment
Powder, 10 parts of gelatin, 2 parts of chitosans, 3 parts of plants essential oils, 120 parts of water, 10 parts of modified bagasses, 0.2 part of magnesia, 0.2 part of oxygen
Change zinc, 5 parts of emulsifiers, 3 parts of calcium nitrate solutions.
The starch is glutinous rice starch.
The plants essential oil is Rosemary Oil.
A kind of processing technology of the degradable biological plastic foil of nano silica enhancing, specific process are as follows:
(1) according to parts by weight, 30 portions of bagasse are successively taken, 3 parts of biogas slurries, 0.2 portion of sucrose, 50 parts of water, 8 parts of iron nitrate solutions, 60
Part ethyl orthosilicate, bagasse is placed in pulverizer and crushes 60min, obtains crushing slag, will then be crushed slag and is placed in steam explosion
It is 3.5MPa in steam explosion pressure, under the conditions of temperature is 180 DEG C, dwell time 90s opens the pressure release of outlet valve moment, mistake in tank
The sieve of 150 mesh obtains single treatment bagasse；
(2) by single treatment bagasse, biogas slurry, sucrose, water is placed in fermentation cauldron, under the conditions of temperature is 35 DEG C, mixed fermentation 5
It, then into fermentation cauldron be added mass fraction be 20% iron nitrate solution, in revolving speed be 600r/min under the conditions of, then to
After the sodium hydroxide solution adjusting pH to 8.3 that mass fraction is 30% is added in fermentation cauldron, filtering obtains No. 1 filter residue, then uses ice
No. 1 residue washing to cleaning solution is neutrality by acetic acid, then No. 1 filter residue after washing is placed in baking oven, in temperature be 110 DEG C of items
Under part, drying to moisture content is 5%, obtains secondary treatment bagasse；
(3) secondary treatment bagasse and ethyl orthosilicate are placed in single-necked flask, under the conditions of revolving speed is 600r/min, stirring
After mixing 60min, filtering obtains No. 2 filter residues, then No. 2 filter residues is placed in baking oven, and under the conditions of temperature is 110 DEG C, drying is extremely
Constant weight obtains No. 2 filter residues of dry deep-frying, then dry No. 2 filter residues is placed in sintering furnace, and nitrogen is filled with into furnace with 90mL/min,
And 960 DEG C are warming up to 10 DEG C/min rate, under the conditions of temperature is 960 DEG C, step by step after heating charing 3h, with 10 DEG C/min speed
Rate is warming up to 1550 DEG C, is 1550 DEG C in temperature, under the conditions of nitrogen protection, after nitrogen charging pyroreaction 3h, is cooled to room temperature, must burn
Sintering feed is then placed in autoclave by ramming material, and high-temperature high-pressure steam is filled with into furnace with the rate of 120mL/min, in
Temperature is 320 DEG C, under the conditions of pressure is 2.2MPa, after high-temperature high-pressure steam reacts 2h, must handle material, then sets processing material
In baking oven, under the conditions of temperature is 110 DEG C, modified bagasse is obtained；
(4) according to parts by weight, successively take 20 parts of starch, 100 parts of water, 5 parts of epoxychloropropane, 3 parts of sodium hypochlorite, by starch with
Water is placed in No. 1 beaker, under the conditions of revolving speed is 500r/min, is stirred 60min, and epoxy chloropropionate is added in No. 1 beaker
Alkane after being stirred 60min, obtains crosslinked starch mixture under the conditions of revolving speed is 500r/min；
(5) crosslinked starch mixture and sodium hypochlorite are placed in No. 2 beakers, No. 2 beakers is then placed in digital display and are tested the speed constant temperature
In magnetic stirring apparatus, it is 56 DEG C in temperature, under the conditions of revolving speed is 600r/min, after being stirred 60min, filters, obtain filter cake, connect
With deionized water by Washing of Filter Cake 8 times, obtain pretreated starch；
(6) pretreated starch and water are placed in No. 3 beakers, No. 3 beakers is then placed in digital display and are tested the speed constant temperature blender with magnetic force
In, it is 95 DEG C in temperature, under the conditions of revolving speed is 500r/min, Heat Gelatinization 60min obtains gelatinized starch；
(7) according to parts by weight, 20 parts of gelatinized starches are successively taken, 10 parts of gelatin, 2 parts of chitosans, 3 parts of plants essential oils, 120 parts
Water, 10 parts of modified bagasses, 0.2 part of magnesia, 0.2 part of zinc oxide, 5 parts of emulsifiers, 3 parts of calcium nitrate solutions, by gelatinized starch,
Gelatin, chitosan, plants essential oil and water are placed in batch mixer, under the conditions of revolving speed is 1200r/min, is stirred 60min, is connect
Be added modified bagasse into batch mixer, magnesia, zinc oxide, the calcium nitrate solution that emulsifier and mass fraction are 20% is right
Material applies the external magnetic field that intensity is 50T in batch mixer, under the conditions of revolving speed is 1200r/min, is stirred 60min, obtains mixed
Close slurry, then by mixed slurry curtain coating be placed in glass pane surface, then glass plate is placed in baking oven, in temperature be 110 DEG C
Under the conditions of, dry to constant weight, the degradable biological plastic foil then enhanced with scraper knifing to get nano silica；
(8) performance detection is carried out to the degradable biological plastic foil of gained nano silica enhancing.
Example 7
A kind of degradable biological plastic foil of nano silica enhancing, the raw material including following parts by weight: 20 parts of gelatinizations are formed sediment
Powder, 10 parts of gelatin, 2 parts of chitosans, 3 parts of plants essential oils, 120 parts of water, 10 parts of modified bagasses, 0.2 part of magnesia, 0.2 part of oxygen
Change zinc, 5 parts of emulsifiers, 3 parts of drying oil, 3 parts of calcium nitrate solutions.
The starch is glutinous rice starch.
The plants essential oil is Rosemary Oil.
The drying oil is any one in tung oil.
A kind of processing technology of the degradable biological plastic foil of nano silica enhancing, specific process are as follows:
(1) according to parts by weight, 30 portions of bagasse are successively taken, 3 parts of biogas slurries, 0.2 portion of sucrose, 50 parts of water, 8 parts of iron nitrate solutions, 60
Part ethyl orthosilicate, bagasse is placed in pulverizer and crushes 60min, obtains crushing slag, will then be crushed slag and is placed in steam explosion
It is 3.5MPa in steam explosion pressure, under the conditions of temperature is 180 DEG C, dwell time 90s opens the pressure release of outlet valve moment, mistake in tank
The sieve of 150 mesh obtains single treatment bagasse；
(2) by single treatment bagasse, biogas slurry, sucrose, water is placed in fermentation cauldron, under the conditions of temperature is 35 DEG C, mixed fermentation 5
It, then into fermentation cauldron be added mass fraction be 20% iron nitrate solution, in revolving speed be 600r/min under the conditions of, then to
After the sodium hydroxide solution adjusting pH to 8.3 that mass fraction is 30% is added in fermentation cauldron, filtering obtains No. 1 filter residue, then uses ice
No. 1 residue washing to cleaning solution is neutrality by acetic acid, then No. 1 filter residue after washing is placed in baking oven, in temperature be 110 DEG C of items
Under part, drying to moisture content is 5%, obtains secondary treatment bagasse；
(3) secondary treatment bagasse and ethyl orthosilicate are placed in single-necked flask, under the conditions of revolving speed is 600r/min, stirring
After mixing 60min, filtering obtains No. 2 filter residues, then No. 2 filter residues is placed in baking oven, and under the conditions of temperature is 110 DEG C, drying is extremely
Constant weight obtains No. 2 filter residues of dry deep-frying, then dry No. 2 filter residues is placed in sintering furnace, and nitrogen is filled with into furnace with 90mL/min,
And 960 DEG C are warming up to 10 DEG C/min rate, under the conditions of temperature is 960 DEG C, step by step after heating charing 3h, with 10 DEG C/min speed
Rate is warming up to 1550 DEG C, is 1550 DEG C in temperature, under the conditions of nitrogen protection, after nitrogen charging pyroreaction 3h, is cooled to room temperature, must burn
Sintering feed is then placed in autoclave by ramming material, and high-temperature high-pressure steam is filled with into furnace with the rate of 120mL/min, in
Temperature is 320 DEG C, under the conditions of pressure is 2.2MPa, after high-temperature high-pressure steam reacts 2h, must handle material, then sets processing material
In baking oven, under the conditions of temperature is 110 DEG C, modified bagasse is obtained；
(4) according to parts by weight, successively take 20 parts of starch, 100 parts of water, 5 parts of epoxychloropropane, 3 parts of sodium hypochlorite, by starch with
Water is placed in No. 1 beaker, under the conditions of revolving speed is 500r/min, is stirred 60min, and epoxy chloropropionate is added in No. 1 beaker
Alkane after being stirred 60min, obtains crosslinked starch mixture under the conditions of revolving speed is 500r/min；
(5) crosslinked starch mixture and sodium hypochlorite are placed in No. 2 beakers, No. 2 beakers is then placed in digital display and are tested the speed constant temperature
In magnetic stirring apparatus, it is 56 DEG C in temperature, under the conditions of revolving speed is 600r/min, after being stirred 60min, filters, obtain filter cake, connect
With deionized water by Washing of Filter Cake 8 times, obtain pretreated starch；
(6) pretreated starch and water are placed in No. 3 beakers, No. 3 beakers is then placed in digital display and are tested the speed constant temperature blender with magnetic force
In, it is 95 DEG C in temperature, under the conditions of revolving speed is 500r/min, Heat Gelatinization 60min obtains gelatinized starch；
(7) according to parts by weight, 20 parts of gelatinized starches are successively taken, 10 parts of gelatin, 2 parts of chitosans, 3 parts of plants essential oils, 120 parts
Water, 10 parts of modified bagasses, 0.2 part of magnesia, 0.2 part of zinc oxide, 5 parts of emulsifiers, 3 parts of drying oil, 3 parts of calcium nitrate solutions,
By gelatinized starch, gelatin, chitosan, plants essential oil and water are placed in batch mixer, under the conditions of revolving speed is 1200r/min, stirring
60min is mixed, modified bagasse, magnesia, zinc oxide, emulsifier, drying oil and mass fraction are then added into batch mixer
It is stirred 60min, obtains mixed slurry under the conditions of revolving speed is 1200r/min for 20% calcium nitrate solution, it then will mixing
Slurry curtain coating is placed in glass pane surface, and then glass plate is placed in baking oven, under the conditions of temperature is 110 DEG C, drying to constant weight,
Then the degradable biological plastic foil enhanced with scraper knifing to get nano silica；
(8) performance detection is carried out to the degradable biological plastic foil of gained nano silica enhancing.
Comparative example
A kind of degradable biological plastic foil, the raw material including following parts by weight: 20 parts of starch, 10 parts of gelatin, 120 parts of water,
10 portions of bagasse, 0.2 part of magnesia, 0.2 part of zinc oxide, 5 parts of emulsifiers, 3 parts of calcium nitrate solutions.
The starch is glutinous rice starch.
A kind of processing technology of degradable biological plastic foil, specific process are as follows:
(1) according to parts by weight, 20 parts of starch are successively taken, 10 parts of gelatin, 120 parts of water, 10 portions of bagasse, 0.2 part of magnesia,
0.2 part of zinc oxide, 5 parts of emulsifiers, 3 parts of calcium nitrate solutions, by starch, gelatin and water are placed in batch mixer, are in revolving speed
Under the conditions of 1200r/min, be stirred 60min, be then added bagasse into batch mixer, magnesia, zinc oxide, emulsifier and
The calcium nitrate solution that mass fraction is 20% is stirred 60min, obtains mixed slurry under the conditions of revolving speed is 1200r/min, with
Mixed slurry curtain coating is placed in glass pane surface afterwards, then glass plate is placed in baking oven, under the conditions of temperature is 110 DEG C, is done
It is dry to constant weight, then with scraper knifing to get degradable biological plastic foil；
(2) performance detection is carried out to gained degradable biological plastic foil.
Performance detection table:
Table 1:
| Detection project | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 | Example 7 | Comparative example |
| Tensile strength/MPa | 3.0 | 2.5 | 2.4 | 2.1 | 1.8 | 1.6 | 1.4 | 1.2 |
| Contact angle/° | 94 | 89 | 85 | 81 | 74 | 70 | 66 | 40 |
As can be seen from Table 1: by example 1, example 2, example 7 and comparative example be can be seen that, bagasse changes by a series of
Property forms hard silicon nitride in bagasse, and modified bagasse is added in system, so that the mechanical property of system is obtained into one
The promotion of step；Bagasse after charing is handled by high-temperature high-pressure steam, so that the fe reaction in bagasse generates four
Fe 3 O is stirred in the later period by applying external magnetic field, modified bagasse energy under the action of externally-applied magnetic field, in system
It is enough good to be dispersed in system, so that the mechanical property of product is further promoted, in forming process, due to
Exist in modified bagasse fiber and contain magnetic ferroso-ferric oxide, enables to attract each other between modified bagasse, in system
Middle formation modified bagasse connects network, connects network and is formed such that the mechanical property of system is further promoted；It is logical
Cross example 1, example 4, example 5 and comparative example comparison, it can be seen that it is living that plant-derived essential oil occupies the part in chitosan skeleton
Property group position, reduce the oscillation intensity of covalent bond in chitosan molecule, meanwhile, in system can with water formed hydrophilic bond
Free hydroxyl roll into a ball reduce so that the water content of system reduces, so that the waterproof performance of system is further promoted.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
Claims (8)
1. a kind of degradable biological plastic foil of nano silica enhancing, it is characterised in that: the original including following parts by weight
Material: 10~20 parts of starch, 8~10 parts of gelatin, 1~2 part of chitosan, 2~3 parts of plants essential oils, 100~120 parts of water, 8~10 parts
Bagasse, 0.1~0.2 part of magnesia, 0.1~0.2 part of zinc oxide, 3~5 parts of emulsifiers, 2~3 parts of drying oil, 2~3 parts of nitric acid
Calcium solution.
2. a kind of degradable biological plastic foil of nano silica enhancing according to claim 1, it is characterised in that: institute
Stating starch is glutinous rice starch, cornstarch, any one in starch from sweet potato or potato starch；The plants essential oil is that fan changes
Any one in essential oil, Lavender, rose ethereal oil or jasmine essential oil；The drying oil be tung oil, Chinese catalpa oil or
Any one in linseed oil.
3. a kind of degradable biological plastic foil of nano silica enhancing according to claim 2, it is characterised in that: institute
Stating starch can also be gelatinized starch；The gelatinized starch is made after sodium hypochlorite processing by starch, water, epoxychloropropane.
4. a kind of degradable biological plastic foil of nano silica enhancing according to claim 3, it is characterised in that: institute
Stating bagasse can also be modified bagasse；The modified bagasse be by bagasse, biogas slurry, sucrose, water, iron nitrate solution,
Ethyl orthosilicate is modified to be made.
5. a kind of degradable biological plastic foil of nano silica enhancing according to claim 4, it is characterised in that: institute
State the raw material that degradable biological plastic foil includes following parts by weight: 20 parts of gelatinized starches, 10 parts of gelatin, 2 parts of chitosans, 3 parts
Plants essential oil, 120 parts of water, 10 parts of modified bagasses, 0.2 part of magnesia, 0.2 part of zinc oxide, 5 parts of emulsifiers, 3 parts of drying oil, 3
Part calcium nitrate solution.
6. a kind of processing technology of the degradable biological plastic foil of nano silica enhancing, it is characterised in that specific processing method
Are as follows:
(1) bagasse single treatment；
(2) bagasse secondary treatment；
(3) bagasse is modified；
(4) starch is mixed with water, and epoxychloropropane is added；
(5) step (4) gains are mixed with sodium hypochlorite；
(6) step (5) gains are mixed with water, Heat Gelatinization obtains gelatinized starch；
(7) mixing, molding；
(8) it detects.
7. a kind of processing technology of the degradable biological plastic foil of nano silica enhancing according to claim 6,
Be characterized in that: the specific procedure of processing of the degradable biological plastic foil is as follows:
(1) bagasse is crushed, steam explosion, is sieved, obtains single treatment bagasse；
(2) by single treatment bagasse, biogas slurry, sucrose, water mixed fermentation is subsequently added into iron nitrate solution, is subsequently added into hydrogen-oxygen
Change sodium solution and adjust pH, filter, washing, drying to moisture content is 3~5%, obtains secondary treatment bagasse；
(3) secondary treatment bagasse is stirred with ethyl orthosilicate, is filtered, dry, heating charing, nitrogen charging high temperature are anti-step by step
It answers, cools down, high-temperature high-pressure steam reaction is dry, obtains modified bagasse；
(4) starch is mixed with water, and epoxychloropropane is added, after being stirred, obtain crosslinked starch mixture；
(5) crosslinked starch mixture is mixed with sodium hypochlorite, after being stirred, is filtered, washing obtains pretreated starch；
(6) pretreated starch is mixed with water, Heat Gelatinization obtains gelatinized starch；
(7) by gelatinized starch, gelatin, chitosan, plants essential oil and water mixing, modified bagasse, magnesia, oxidation are subsequently added into
Zinc, emulsifier, drying oil and calcium nitrate solution apply external magnetic field and are stirred, and casting film-forming, dry, knifing is to get degradable
Biological plastics film；
(8) performance detection is carried out to product.
8. a kind of processing technology of the degradable biological plastic foil of nano silica enhancing according to claim 7,
Be characterized in that: the specific process of the degradable biological plastic foil is as follows:
(1) bagasse is placed in 40~60min of crushing in pulverizer, obtains crushing slag, will then crushed slag and be placed in steam-explosion jar
In, it is 2.5~3.5MPa in steam explosion pressure, under the conditions of temperature is 160~180 DEG C, the dwell time is 60~90s, opens discharging
Valve moment pressure release crosses the sieve of 150 mesh, obtains single treatment bagasse；
(2) by single treatment bagasse, biogas slurry, sucrose, water is placed in fermentation cauldron, under the conditions of temperature is 30~35 DEG C, mixing
Fermentation 3~5 days, then into fermentation cauldron be added mass fraction be 10~20% iron nitrate solution, in revolving speed be 400~600r/
Under the conditions of min, the sodium hydroxide solution that mass fraction is 20~30% is then added into fermentation cauldron and adjusts pH to 8.1~8.3
Afterwards, it filters, obtains No. 1 filter residue, be then neutral by No. 1 residue washing to cleaning solution with glacial acetic acid, then by No. 1 filter residue after washing
It is placed in baking oven, under the conditions of temperature is 105~110 DEG C, drying to moisture content is 3~5%, obtains secondary treatment bagasse；
(3) secondary treatment bagasse and ethyl orthosilicate are placed in single-necked flask, in revolving speed be 400~600r/min condition
Under, after being stirred 40~60min, filtering, obtain No. 2 filter residues, then No. 2 filter residues be placed in baking oven, in temperature be 105~
It is dry to constant weight under the conditions of 110 DEG C, No. 2 filter residues of dry deep-frying are obtained, then dry No. 2 filter residues are placed in sintering furnace, and with 60~
90mL/min is filled with nitrogen into furnace, and is warming up to 890~960 DEG C with 8~10 DEG C/min rate, in temperature be 890~960 DEG C
Under the conditions of, step by step heating charing 2~3h after, be warming up to 1450~1550 DEG C with 8~10 DEG C/min rate, in temperature be 1450~
1550 DEG C, under the conditions of nitrogen protection, after 2~3h of nitrogen charging pyroreaction, it is cooled to room temperature, sintering feed is obtained, then sets sintering feed
High-temperature high-pressure steam is filled with into furnace in autoclave, and with the rate of 100~120mL/min, in temperature be 280~320
DEG C, under the conditions of pressure is 1.8~2.2MPa, after high-temperature high-pressure steam reacts 1~2h, material must be handled, then sets processing material
In baking oven, under the conditions of temperature is 105~110 DEG C, modified bagasse is obtained；
(4) starch and water are placed in No. 1 beaker, under the conditions of revolving speed is 300~500r/min, are stirred 40~60min,
And epoxychloropropane is added in No. 1 beaker, under the conditions of revolving speed is 300~500r/min, after being stirred 40~60min, obtain
Crosslinked starch mixture；
(5) crosslinked starch mixture and sodium hypochlorite are placed in No. 2 beakers, No. 2 beakers is then placed in digital display and are tested the speed constant temperature
In magnetic stirring apparatus, in temperature be 45~56 DEG C, revolving speed be 500~600r/min under the conditions of, after being stirred 40~60min,
It filters, obtains filter cake, then obtain pretreated starch for Washing of Filter Cake 5~8 times with deionized water；
(6) pretreated starch and water are placed in No. 3 beakers, No. 3 beakers is then placed in digital display and are tested the speed constant temperature blender with magnetic force
In, it is 90~95 DEG C in temperature, under the conditions of revolving speed is 300~500r/min, 40~60min of Heat Gelatinization obtains gelatinized starch；
(7) gelatinized starch, gelatin, chitosan, plants essential oil and water are placed in batch mixer, in revolving speed be 1000~1200r/
Under the conditions of min, it is stirred 40~60min, modified bagasse, magnesia, zinc oxide, emulsification are then added into batch mixer
The calcium nitrate solution that agent, drying oil and mass fraction are 10~20%, applying intensity to material in batch mixer is the outer of 40~50T
Magnetic field is stirred 40~60min, obtains mixed slurry, then by mixing slurry under the conditions of revolving speed is 1000~1200r/min
Stream, which is prolonged, is placed in glass pane surface, and then glass plate is placed in baking oven, dry to perseverance under the conditions of temperature is 105~110 DEG C
Weight, then with scraper knifing to get degradable biological plastic foil；
(8) performance detection is carried out to gained degradable biological plastic foil.
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