CN104479369B - A kind of degradation plastic containing algae albumen and preparation method thereof - Google Patents
A kind of degradation plastic containing algae albumen and preparation method thereof Download PDFInfo
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- CN104479369B CN104479369B CN201410799004.0A CN201410799004A CN104479369B CN 104479369 B CN104479369 B CN 104479369B CN 201410799004 A CN201410799004 A CN 201410799004A CN 104479369 B CN104479369 B CN 104479369B
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Abstract
The invention discloses a kind of degradation plastic containing algae albumen, the parts by weight of its primary raw material and each raw material are: microalgae egg albumen powder 80 100 parts, starch 0 20 parts, modifying agent 2 10 parts, plasticizer 10 30 parts, 1 10 parts of surfactant, after each component is mixed by proportioning, it is placed in the flat plate mold of vulcanizing press, through hot pressing, cold moudling process, prepares the degradation plastic with algae albumen as main component.The present invention is the processing method that algal tufa burst period proposes that a kind of algae changes harmful to treasure, and is conducive to protecting environment.
Description
Technical field
The present invention relates to degradation plastic field, especially relate to a kind of dropping with algae albumen as primary raw material
Solve plastics and preparation method thereof.
Background technology
In recent years, along with economy and the quick growth of population, body eutrophication phenomenon is day by day serious, blue algae water
China's phenomenon occurs again and again, and cyanophyceae problem has become the important subject of lake basin.When Blue-green Algae Fast Growth, directly
Taking and dragging for cyanophyceae is to slow down outburst degree, protection water ecological setting the most directly and safely and effectively Emergency management
Method.According to statistics, during Taihu Lake blue algae blooms in 2011, the cyanophyceae salvaging amount of every day reaches 3000 tons, entirely
Amounting to salvaging cyanophyceae amount year is 970,000 tons.In addition to Taihu Lake, Dian Chi, Chaohu the most also have cyanophyceae for several times quick-fried
Send out, have every day the cyanophyceae of thousands of tons of to need to process.The cyanophyceae salvaging disembarkation can take the stacking of substantial amounts of soil,
And stacking cyanophyceae produces percolate and will form secondary pollution by osmosis, storm runoff etc..The most appropriate
Process the cyanophyceae after salvaging to be particularly important.
Cyanophyceae, therefore can be as one rich in more rich nutritional labeling (protein, fat, saccharide etc.)
Has potential novel biomass resource.At present, the recycling of bloom blue algae focus primarily ones life
The aspects such as the thing energy, bio-feritlizer, microorganism culturing raw material and bioactive substance extraction.Some with
Cyanophyceae be raw material health-related food in have been detected by cyanophycean toxin, from the utilization limiting its nutritional labeling.
Macromolecular material with oil as raw material has captured most market after World War II, provides however as oil
The day by day exhausted and environmental pollution in source and ecological disruption be on the rise, people are sought for sustainable development,
Environment amenable material carrys out petroleum replacing based high molecular material.Protein is natural macromolecular material, without dirty
Dye, degradable, is the study hotspot in degradation material field.Thermoplastic vegetable protein processing characteristics is good,
Having excellent processing characteristics and mechanical property in injection, extrusion, blow-molding process, its goods can drop completely
Solve, environmental friendliness, can be widely applied to the production and processing fields such as food, agricultural, packaging and environmental protection.At present,
Degradable biomaterial focuses primarily upon with vegetable protein as raw material, including soybean protein, cottonseed protein, little
Aleuronat, Semen arachidis hypogaeae protein etc..But, the protein of plant origin is used for preparing degradative plastics can cause food
Rise in price, and affect animal feed markets and take agriculture plantation.And microalgae is in lake, countries in the world
Distribution is wide, scale big and one of the wawter bloom of persistent period length, and therefore microalgae protein source enriches, and has relatively
Big application potential.So far the research utilizing microalgae albumen to prepare degradation material has not yet to see report.
Summary of the invention
For prior art exist the problems referred to above, the present invention provide a kind of degradation plastic containing algae albumen and
Its preparation method.The method of the present invention can reduce the use of non-degradable petroleum-based plastics, economizes on resources；
Also propose, for algal tufa burst period, the processing method that a kind of algae changes harmful to treasure, be conducive to protecting environment.
Technical scheme is as follows:
A kind of degradation plastic containing algae albumen, the parts by weight of primary raw material and each raw material are: microalgae albumen
Powder 80-100 part, starch 0-20 part, modifying agent 2-10 part, plasticizer 10-30 part, surfactant 1-10
Part.
The raw material of described microalgae egg albumen powder selected from Microcystis aeruginosa, anabena, spirulina, arthrospira, plan Anabaena,
In chamber ball algae, tip algae, the algae that quivers, sheet algae, Xi Zao, joint ball algae, chlorella one or more.
The proteinaceous mass fraction of raw material of described microalgae egg albumen powder is not less than 30%.
The proteinaceous mass fraction of raw material of described microalgae egg albumen powder is not less than 40%.
Described starch is native starch or modified starch.Described modified starch be Oxytarch, starch acetate,
One or more in hydroxypropyl starch, hetastarch, carboxymethyl starch, carboxyethyl starch.
Described modifying agent is the one in maleic anhydride, succinic anhydrides, acetic anhydride, citric acid, adipic acid or many
Kind；Described plasticizer be ethylene glycol, thiodiglycol, glycerol, sorbitol, thiodiglycol, Methanamide,
One or more in caprolactam, glyceryl monoacetate, Glycerine 1,3-diacetate, glycerol triacetate；Institute
Stating surfactant is methyl glycol fatty acid ester, fatty acid glyceride, glycerol-fatty acid diester, sucrose fat
One or more in acid esters, Span, sorbitol macrogol ester.
The preparation method of a kind of degradation plastic containing algae albumen, specifically comprises the following steps that
(1) choose fresh microalgae, dry, pulverize after make microalgae powder, add 10-15 times of microalgae powder
The mass concentration of quality is the sodium hydroxide solution of 0.25%-0.75%, mixing, carries out under 30-90MPa pressure
High pressure homogenization breaking cellular wall 3-5 time, obtains isothermal holding 20-60 minute at microalgae wall breaking liquid, 30-50 DEG C, filters,
Centrifugal collection supernatant；
(2) acetic acid is added drop-wise in the supernatant collected, stirring while adding, separate out to protein；Afterwards from
The heart divides isolated protein, clear water washed protein, is dried, i.e. obtains micro-in putting into the baking oven of 50 DEG C
Algae egg albumen powder；
(3) 80-100 part microalgae egg albumen powder being joined 100-200 part mass fraction is the Soluble tartar. of 0.1%
In solution, stirring while adding, after microalgae egg albumen powder is fully dispersed, adds modifying agent 2-10 part, be heated to 60
DEG C, react 30-60 minute；Add starch 0-20 part, be heated to 60 DEG C, react 30-60 minute；Instead
After should completing, vacuum lyophilization, prepare modified microalgae albumen/starch；
The modified microalgae albumen/starch 80-100 part and the 10-30 part plasticizer that (4) step (3) are prepared,
After 0-10 part surfactant is sufficiently mixed, mixture is placed in the flat plate mold of vulcanizing press, through heat
Pressure, cold moudling process, prepare the degradation plastic with algae albumen as composition.
In described step (4), hot pressing condition is: temperature 150 DEG C, pressure 15MPa, 15 minutes time；Cold
Press strip part is: temperature 20 DEG C, pressure 15MPa, colds pressing 15 minutes time.
Useful the having the technical effect that of the present invention
1, the method for the present invention can reduce the use of non-degradable petroleum-based plastics, economizes on resources；Also it is every
The processing method that a kind of algae of year algal tufa burst period proposition changes harmful to treasure, is conducive to protecting environment.
2, the present invention uses high pressure homogenization breaking cellular wall, alkali extraction and acid precipitation to obtain microalgae egg albumen powder, can extract to greatest extent
Microalgae albumen, protein extracting ratio reaches more than 80%, is suitable for extensive preparation.
3, the degradation plastic containing algae albumen of the present invention, low production cost, technique is simple, and has
Preferably mobility, is suitable for molding, extruding and injection molding, can be widely applied to food, agricultural, bag
The production and processing fields such as dress and environmental protection.
4, the degradation plastic containing algae albumen of the present invention, can be decomposed by the microorganisms in soil completely, right
Environmental nonpollution, catabolite can serve as fertilizer.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is specifically described.
Embodiment 1
The preparation method of a kind of degradation plastic containing algae albumen, specifically comprises the following steps that
(1) choose fresh Taihu Lake cyanophyceae, dry, pulverize after make Taihu Lake blue algae powder 2000g, add 10
The sodium hydroxide solution that mass concentration is 0.5% of times Taihu Lake blue algae powder quality, mixing, under 30MPa pressure
Carry out high pressure homogenization breaking cellular wall 5 times, obtain Taihu Lake blue green algae disrupted solution, isothermal holding 60 minutes at 30 DEG C, filter,
Centrifugal collection supernatant；
(2) acetic acid is added drop-wise in the supernatant collected, stirring while adding, separate out to protein；Afterwards from
The heart divides isolated protein, clear water washed protein, is dried, i.e. obtains too in putting into the baking oven of 50 DEG C
Acid blue algae egg albumen powder；
(3) 95g Taihu Lake cyanophycin powder is joined in the Soluble tartar. solution that 150g mass fraction is 0.1%,
Stirring while adding, after cyanophycin powder is fully dispersed, adds succinic anhydrides 5g, be heated to 60 DEG C, react 50
Minute, after having reacted, vacuum lyophilization, prepare modified cyanophycin powder；
(4) the modified cyanophycin powder that step (3) is prepared and 30g glycerol triacetate, 1g glycerin fatty
Acid esters, after being sufficiently mixed, is placed in mixture in the flat plate mold of vulcanizing press, through hot pressing, is cold-pressed into
Type process, preparing ether lake cyanophycin is the degradation plastic of main component.
In described step (4), hot pressing condition is: temperature 150 DEG C, pressure 15MPa, 15 minutes time；Cold
Press strip part is: temperature 20 DEG C, pressure 15MPa, colds pressing 15 minutes time.
Embodiment 2
The preparation method of a kind of degradation plastic containing algae albumen, specifically comprises the following steps that
(1) choose fresh spirulina, dry, pulverize after make Spirulina powder 1000g, add 15 times
The mass concentration of Spirulina powder quality is the sodium hydroxide solution of 0.25%, mixing, carries out under 90MPa pressure
High pressure homogenization breaking cellular wall 3 times, obtains breaking wall of spirullina princeps liquid, isothermal holding 20 minutes at 50 DEG C, filters, centrifugal
Collect supernatant；
(2) acetic acid is added drop-wise in the supernatant collected, stirring while adding, separate out to protein；Afterwards from
The heart divides isolated protein, clear water washed protein, is dried, i.e. obtains spiral shell in putting into the baking oven of 50 DEG C
Rotation algae egg albumen powder；
(3) take in the Soluble tartar. solution that 80g spirulina protein powder joins 0.1%, in adition process constantly
Stirring, after spirulina protein powder is fully dispersed, adds citric acid 10g, reacts 60 minutes；Add oxidation
Starch 20g, is heated to 60 DEG C, is incubated 30 minutes, and after having reacted, vacuum lyophilization obtains modified spiral shell
Rotation algae albumen/starch.
(4) by step (3) prepare modified spirulina protein/starch and 30g glycerol, 5g caprolactam,
After 2.5g sorbitol macrogol ester is sufficiently mixed, mixture is placed in the flat plate mold of vulcanizing press,
Through hot pressing, cold moudling process, prepare the degradation plastic with spirulina protein as main component.
In described step (4), hot pressing condition is: temperature 150 DEG C, pressure 15MPa, 15 minutes time；Cold
Press strip part is: temperature 20 DEG C, pressure 15MPa, colds pressing 15 minutes time.
Embodiment 3
The preparation method of a kind of degradation plastic containing algae albumen, specifically comprises the following steps that
(1) choose fresh chlorella, dry, pulverize after make chlorella powder 1000g, add algae opaque amount
The sodium hydroxide solution of 0.3% (w/w) of 10 times, isothermal holding one hour at 50 DEG C, filter, centrifugal
Collect supernatant,
(2) acetic acid is added drop-wise in the supernatant collected, stirring while adding, separate out to protein；Afterwards from
The heart divides isolated protein, clear water washed protein, is dried, i.e. obtains little in putting into the baking oven of 50 DEG C
Ball algae egg albumen powder；
(3) take in the Soluble tartar. solution that 85g chlorella egg albumen powder joins 0.1%, in adition process constantly
Stirring, after chlorella egg albumen powder is fully dispersed, adds 10g adipic acid, and 1g glutaraldehyde reacts 60 minutes；Again
Add hydroxypropyl starch 18g, be heated to 60 DEG C, be incubated 30 minutes.After having reacted, vacuum lyophilization
Obtain modified chlorella albumen/starch.
(4) by step (3) prepare modified chlorella albumen/starch and 20g glycerol, 10g thiodiglycol,
After 3g fatty glyceride is sufficiently mixed, mixture is placed in the flat plate mold of vulcanizing press, through hot pressing,
Cold moudling process, prepares the degradation plastic with chlorella albumen as main component.
In described step (4), hot pressing condition is: temperature 150 DEG C, pressure 15MPa, 15 minutes time；Cold
Press strip part is: temperature 20 DEG C, pressure 15MPa, colds pressing 15 minutes time.
Claims (7)
1. the degradation plastic containing algae albumen, it is characterised in that primary raw material and the parts by weight of each raw material
For: microalgae egg albumen powder 80-100 part, starch 0-20 part, modifying agent 2-10 part, plasticizer 10-30 part, table
Face activating agent 1-10 part；
The preparation method of the described degradation plastic containing algae albumen, specifically comprises the following steps that
(1) choose fresh microalgae, dry, pulverize after make microalgae powder, add 10-15 times of microalgae powder
The mass concentration of quality is the sodium hydroxide solution of 0.25%-0.75%, mixing, carries out under 30-90MPa pressure
High pressure homogenization breaking cellular wall 3-5 time, obtains isothermal holding 20-60 minute at microalgae wall breaking liquid, 30-50 DEG C, filters,
Centrifugal collection supernatant；
(2) acetic acid is added drop-wise in the supernatant collected, stirring while adding, separate out to protein；Afterwards from
The heart divides isolated protein, clear water washed protein, is dried, i.e. obtains micro-in putting into the baking oven of 50 DEG C
Algae egg albumen powder；
(3) 80-100 part microalgae egg albumen powder being joined 100-200 part mass fraction is the Soluble tartar. of 0.1%
In solution, stirring while adding, after microalgae egg albumen powder is fully dispersed, adds modifying agent 2-10 part, be heated to 60 DEG C,
React 30-60 minute；Add starch 0-20 part, be heated to 60 DEG C, react 30-60 minute；React
Cheng Hou, vacuum lyophilization, prepare modified microalgae albumen/starch；
The modified microalgae albumen/starch 80-100 part and the 10-30 part plasticizer that (4) step (3) are prepared,
After 0-10 part surfactant is sufficiently mixed, mixture is placed in the flat plate mold of vulcanizing press, through heat
Pressure, cold moudling process, prepare the degradation plastic with algae albumen as main component；
In described step (4), hot pressing condition is: temperature 150 DEG C, pressure 15MPa, 15 minutes time；Cold
Press strip part is: temperature 20 DEG C, pressure 15MPa, colds pressing 15 minutes time.
Contain the degradation plastic of algae albumen the most according to claim 1, it is characterised in that described algae egg albumen powder
Raw material selected from Microcystis aeruginosa, anabena, spirulina, arthrospira, plan Anabaena, chamber ball algae, tip algae,
Quiver one or more in algae, sheet algae, Xi Zao, joint ball algae, chlorella.
Contain the degradation plastic of algae albumen the most according to claim 2, it is characterised in that described microalgae albumen
The proteinaceous mass fraction of raw material of powder is not less than 30%.
Contain the degradation plastic of algae albumen the most according to claim 2, it is characterised in that described microalgae albumen
The proteinaceous mass fraction of raw material of powder is not less than 40%.
Contain the degradation plastic of algae albumen the most according to claim 1, it is characterised in that described starch is sky
So starch or modified starch.
Contain the degradation plastic of algae albumen the most according to claim 5, it is characterised in that described modified starch
Form sediment for Oxytarch, starch acetate, hydroxypropyl starch, hetastarch, carboxymethyl starch, carboxyethyl
One or more in powder.
Contain the degradation plastic of algae albumen the most according to claim 1, it is characterised in that described modifying agent is
One or more in maleic anhydride, succinic anhydrides, acetic anhydride, citric acid, adipic acid；Described plasticizer
For ethylene glycol, thiodiglycol, glycerol, sorbitol, thiodiglycol, Methanamide, caprolactam, glycerol
One or more in monoacetate, Glycerine 1,3-diacetate, glycerol triacetate；Described surfactant is
Methyl glycol fatty acid ester, fatty acid glyceride, glycerol-fatty acid diester, sucrose fatty acid ester, Pyrusussuriensis alcohol ester
One or more in fat acid esters, sorbitol macrogol ester.
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| CN104829873A (en) * | 2015-04-10 | 2015-08-12 | 合肥环照高分子材料厂 | Kelp powder biodegradable plastic and preparation method thereof |
| CN104725727A (en) * | 2015-04-16 | 2015-06-24 | 无锡太湖蓝藻资源应用技术研究院有限公司 | Polypropylene composite containing microalgae and preparing method thereof |
| CN105001971B (en) * | 2015-06-26 | 2019-01-29 | 新奥科技发展有限公司 | A kind of method of two-step method production microalgae bio oil |
| CN105001489A (en) * | 2015-07-10 | 2015-10-28 | 无锡太湖蓝藻资源应用技术研究院有限公司 | Bio-based polyolefin composite material and preparation method therefor |
| CN105038167B (en) * | 2015-08-26 | 2016-08-17 | 无锡太湖蓝藻资源应用技术研究院有限公司 | A kind of algae albumen/polylactic acid biodegradable intermingling material and preparation method thereof |
| CN105330905B (en) * | 2015-11-03 | 2018-08-17 | 周福海 | A kind of method that microwave prepares algal plastics |
| CN105907066A (en) * | 2016-07-01 | 2016-08-31 | 铜陵方正塑业科技有限公司 | Blue alga based compound biological plastic with nano-calcium nutrient enriched and preparation method of biological plastic |
| CN114467655B (en) * | 2022-02-22 | 2023-06-16 | 优奈尔生物科技有限公司 | Cultivation method of anti-cracking watermelons |
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| WO2007125546A1 (en) * | 2006-05-01 | 2007-11-08 | Bnt Force Biodegradable Polymers Pvt Ltd., | Novel biodegradable polymer composition useful for the preparation of biodegradable plastic and a process for the preparation of said composition |
| CN101085843B (en) * | 2007-07-07 | 2012-04-18 | 贾军毅 | Functional additive for starch-base biological degradation packaging material and producing method thereof |
| US9765205B2 (en) * | 2011-08-24 | 2017-09-19 | Algix, Llc | Macrophyte-based bioplastic |
| CN103951853B (en) * | 2014-05-05 | 2016-02-10 | 江南大学 | A kind of sodium alginate base-blended packing film of fish scale collagen asparagus powder and preparation method thereof |
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