CN106117999A - A kind of organic nano bentonite modified cyanophyceae base Biocomposite material and preparation method thereof - Google Patents
A kind of organic nano bentonite modified cyanophyceae base Biocomposite material and preparation method thereof Download PDFInfo
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- CN106117999A CN106117999A CN201610503978.9A CN201610503978A CN106117999A CN 106117999 A CN106117999 A CN 106117999A CN 201610503978 A CN201610503978 A CN 201610503978A CN 106117999 A CN106117999 A CN 106117999A
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Abstract
The invention discloses a kind of organic nano bentonite modified cyanophyceae base Biocomposite material, including following parts by weight of component: cyanophyceae 130 135, lactobacillus helveticus 9 10, pycnoporus samguineus spore liquid 78, hyaluronic acid 9 10, organic nano bentonite 11 12, glucose 17 18, soybean protein isolate 56 58, the molten egg of Semen Maydis alcohol 58 60, hydroformylation starch 45 46, hard paraffin 34 35, vinyltrimethoxy silane 12 13, Polyethylene Glycol 67, appropriate water.The present invention uses soybean protein isolate etc. to coordinate blue algae fermentation deep processing product to prepare cyanophyceae base biological plastics under the effect of cross-linking agent alkyl ketene dimer, these plastics have biodegradability, there is good film property and degradability, the organic nano bentonite added adds degree of crystallinity and the thermostability of polydactyl acid, reduce the fragility of biological plastics, improve toughness and the film property of biological plastics.
Description
Technical field
The present invention relates to cyanophyceae radical biological degradable plastics arts, particularly relate to a kind of organic nano bentonite modified
Cyanophyceae base Biocomposite material and preparation method thereof.
Background technology
Lactic acid, polylactic acid are biochemical products, with recyclable organism material as raw material, utilize biotechnology, produce
Product have biodegradability.The environmental pollution day that the energy crisis brought along with petroleum resources exhaustion and chemical industry cause
Benefit is serious, utilize biomass-based raw material for substrate, significant by Production by Microorganism Fermentation lactic acid；Cyanophyceae is one
Class evolutionary history is long, Gram-negative, and atrichia, containing chlorophyll a, is formed without chloroplast, can carry out producing oxygen performance light cooperation
Prokaryote.Cyanophyceae fermenting raw materials has the non-food products such as high value-added product lactic acid, Pfansteihl, and these products can
To be greatly improved the value of blue algae resource, being prepared as biological plastics, Wuxi moral vast stretch of wooded country algae water separation technology develops limited public affairs
Department develops the algae powder technology that algae mud is made moisture content less than 10%, and exporting to that these algae powder costs are the highest is US-built standby
Become biological plastics, and oneself lack and be directly realized by the technology that cyanophyceae is processed to biological plastics accordingly, although occupying favourable resource,
But benefit can not be realized；The domestic current utilization to cyanophyceae focuses mostly on and first prepares blue-green alga extract cyanophycin, indigo plant
The biomass such as cyanophyceae such as algae fiber, combining other raw material at the premium properties utilizing these biomass prepares some biomembranes, and
The report directly developing preparation cyanophyceae base biological plastics about cyanophyceae is the most few.
Cyanophyceae directly develops preparation cyanophyceae base biological plastics and often is faced with following two problem: (1), cyanophyceae raw material
Realizing the cyanophyceae conversion ratio problem to lactic acid by fermenting lactic acid, this problem directly determines raw-material utilization ratio；
(2), lactic acid, Pfansteihl and the performance improvement problem of poly lactic acid polymerized generation biological plastics.Frequently with plasticising, acid adjust, crosslinking,
The single method of modifying such as filling or be blended, but this single method of modifying is limited, the Based Full-degradable Plastics Film merit prepared
Can the single and high high value exploitation that cannot realize cyanophyceae of cost
Design and utilize cyanophyceae raw material efficiently to produce the high-quality cyanophyceae base biological plastics value of exploiting and utilizing tool to improving cyanophyceae
There is important meaning.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of organic nano bentonite modified cyanophyceae base
Biocomposite material and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of organic nano bentonite modified cyanophyceae base Biocomposite material, including following parts by weight of component: cyanophyceae 130-135,
Lactobacillus helveticus 9-10, pycnoporus samguineus spore liquid 7-8, hyaluronic acid 9-10, organic nano bentonite 11-12, glucose 17-
18, soybean protein isolate 56-58, Semen Maydis alcohol molten egg 58-60, hydroformylation starch 45-46, hard paraffin 34-35, vinyl trimethoxy
Base silane 12-13, Polyethylene Glycol 6-7, appropriate water.
A kind of organic nano bentonite modified cyanophyceae base Biocomposite material preparation method, comprises the following steps:
(1), the water of hyaluronic acid, organic nano bentonite, glucose and gross weight 2 times is mixed, at 80 DEG C of high pressure homogenize
After Jun Yun, spray drying technology is used to be dried to obtain modified glucose, by lactobacillus helveticus, pycnoporus samguineus spore liquid, modification
Glucose and the water mixing and stirring of gross weight 0.5 times, low temperature 30 DEG C is dried activation, and stirring is dried and is prepared as microencapsulation
Composite bacterium powder is standby；
(2), dynamic fermentation can system is built: described dynamic fermentation can system includes two fermentation tanks placed up and down, up and down
Fermentation tank connectivity part is provided with filter membrane, and outside is provided with dynamic pump, for bottom fermentation tank fermented product is pumped into top fermentation tank；By indigo plant
Algae removes silt, micronizing, adds the water mixing and stirring of gross weight 5 times, uses at the ultrasonic assistant breaking cellular wall of 600W
Reason 1h, obtains cyanophyceae culture medium, after sterilized for this culture medium process, puts into the top fermentation tank of constructed dynamic fermentation can system
In, and putting into microencapsulation composite bacterium powder, stirring fermentation at 25 DEG C, when the fermentation liquid of the cyanophyceae culture medium in top fermentation tank passes through
Membrane filtration is to bottom fermentation tank so that when culture medium is deposited to top fermentation pot bottom, opens dynamic pump and realizes issuing fermenting pot
Thing once pumps into top fermentation tank, and and top fermentation tank culture medium mixing and stirring, be again stirring for fermenting to culture medium and being deposited to
Top fermentation pot bottom, completes circulation fed-batch fermentation once, circulates 4-5 time, obtains blue algae fermentation slag standby in top fermentation tank；Under
The blue algae fermentation complex liquid obtaining high lactic acid conversion ratio in fermentation tank is standby；
(3), the blue algae fermentation slag that step (2) obtains bakes after shrink micronizing again, and to obtain cyanophyceae fiber standby；Will step
Suddenly the blue algae fermentation complex liquid of the high lactic acid conversion ratio that (2) obtain first 80 DEG C of stirring concentration 50min, put into afterwards airtight instead
Answer in still, be passed through noble gas N2 and be slowly heated to 160 DEG C and be evacuated to 160Pa and continuously stirred lactic acid directly taken off
Water is condensed, and continues heating afterwards and slowly reduces pressure, and at 220-260 DEG C, under 133Pa, further polycondensation, obtains polydactyl acid；
(4), soybean protein isolate, zein, hydroformylation starch, hard paraffin and alginate fibre are mixed, at 70-75
Under the conditions of DEG C 600-700rpm/min speed stirring 26-28min formed suspension, by this suspension add polydactyl acid with
And Polyethylene Glycol, under the conditions of 90-95 DEG C, 600-700rpm/min speed stirring 40-45min, obtains reactant liquor, by this reactant liquor
Through screw extruder extruding pelletization, by the pellet of extruding pelletization through calendering film forming, then natural cooling is dried, and to obtain final product.
The invention have the advantage that the present invention uses soybean protein isolate, zein, hydroformylation starch to coordinate cyanophyceae to send out
Ferment deep processing product prepares cyanophyceae base biological plastics under the effect of cross-linking agent alkyl ketene dimer, and these plastics have biology can
Degradability, has good film property and degradability, and the organic nano bentonite of addition adds the crystallization of polydactyl acid
Degree and thermostability, reduce the fragility of biological plastics, improve toughness and the film property of biological plastics；Meanwhile, at modified Fructus Vitis viniferae
In the preparation process of sugar, utilize nanometer bentonite high surface area ratio and three-dimensional net structure stable dispersion glucose,
Make it have good uniform high surface area, provide good carrier and the carbon that can make full use of for blue algae fermentation bacterium
Source；Modified glucose coordinates the design of repeatedly fed-batch fermentation technique to improve the lactic acid fermented rotational rate of lactic acid of cyanophyceae, meanwhile, side
Just achieve the separation of blue algae fermentation product, provide the foundation for efficiently producing of cyanophyceae base biological plastics.Present invention process letter
Single, good in economic efficiency, the high-efficiency and economic of domestic cyanophyceae base biofilm is developed significant.
Detailed description of the invention
A kind of organic nano bentonite modified cyanophyceae base Biocomposite material, including following parts by weight of component: cyanophyceae 130,
Lactobacillus helveticus 9, pycnoporus samguineus spore liquid 7, hyaluronic acid 9, organic nano bentonite 11, glucose 17, soybean separation protein
White 56, the molten egg of Semen Maydis alcohol 58, hydroformylation starch 45, hard paraffin 34, vinyltrimethoxy silane 12, Polyethylene Glycol 6, appropriate
Water.
A kind of organic nano bentonite modified cyanophyceae base Biocomposite material preparation method, comprises the following steps:
(1), the water of hyaluronic acid, organic nano bentonite, glucose and gross weight 2 times is mixed, at 80 DEG C of high pressure homogenize
After Jun Yun, spray drying technology is used to be dried to obtain modified glucose, by lactobacillus helveticus, pycnoporus samguineus spore liquid, modification
Glucose and the water mixing and stirring of gross weight 0.5 times, low temperature 30 DEG C is dried activation, and stirring is dried and is prepared as microencapsulation
Composite bacterium powder is standby；
(2), dynamic fermentation can system is built: described dynamic fermentation can system includes two fermentation tanks placed up and down, up and down
Fermentation tank connectivity part is provided with filter membrane, and outside is provided with dynamic pump, for bottom fermentation tank fermented product is pumped into top fermentation tank；By indigo plant
Algae removes silt, micronizing, adds the water mixing and stirring of gross weight 5 times, uses at the ultrasonic assistant breaking cellular wall of 600W
Reason 1h, obtains cyanophyceae culture medium, after sterilized for this culture medium process, puts into the top fermentation tank of constructed dynamic fermentation can system
In, and putting into microencapsulation composite bacterium powder, stirring fermentation at 25 DEG C, when the fermentation liquid of the cyanophyceae culture medium in top fermentation tank passes through
Membrane filtration is to bottom fermentation tank so that when culture medium is deposited to top fermentation pot bottom, opens dynamic pump and realizes issuing fermenting pot
Thing once pumps into top fermentation tank, and and top fermentation tank culture medium mixing and stirring, be again stirring for fermenting to culture medium and being deposited to
Top fermentation pot bottom, completes circulation fed-batch fermentation once, circulates 4 times, obtains blue algae fermentation slag standby in top fermentation tank；Issue
The blue algae fermentation complex liquid obtaining high lactic acid conversion ratio in ferment tank is standby；
(3), the blue algae fermentation slag that step (2) obtains bakes after shrink micronizing again, and to obtain cyanophyceae fiber standby；Will step
Suddenly the blue algae fermentation complex liquid of the high lactic acid conversion ratio that (2) obtain first 80 DEG C of stirring concentration 50min, put into afterwards airtight instead
Answer in still, be passed through noble gas N2 and be slowly heated to 160 DEG C and be evacuated to 160Pa and continuously stirred lactic acid directly taken off
Water is condensed, and continues heating afterwards and slowly reduces pressure, and at 220 DEG C, under 133Pa, further polycondensation, obtains polydactyl acid；
(4), soybean protein isolate, zein, hydroformylation starch, hard paraffin and alginate fibre are mixed, at 70 DEG C
Under the conditions of 600rpm/min speed stirring 26min form suspension, this suspension will add polydactyl acid and poly-second two
Alcohol, under the conditions of 90 DEG C, 600rpm/min speed stirring 40min, obtains reactant liquor, is made through screw extruder extrusion by this reactant liquor
Grain, by the pellet of extruding pelletization through calendering film forming, then natural cooling is dried, and to obtain final product.
Claims (2)
1. an organic nano bentonite modified cyanophyceae base Biocomposite material, it is characterised in that include following parts by weight of component:
Cyanophyceae 130-135, lactobacillus helveticus 9-10, pycnoporus samguineus spore liquid 7-8, hyaluronic acid 9-10, organic nano bentonite 11-
12, glucose 17-18, soybean protein isolate 56-58, Semen Maydis alcohol molten egg 58-60, hydroformylation starch 45-46, hard paraffin 34-35,
Vinyltrimethoxy silane 12-13, Polyethylene Glycol 6-7, appropriate water.
2. an organic nano bentonite modified cyanophyceae base Biocomposite material preparation method, it is characterised in that include following step
Rapid:
(1), the water of hyaluronic acid, organic nano bentonite, glucose and gross weight 2 times is mixed, at 80 DEG C of high pressure homogenize
After Jun Yun, spray drying technology is used to be dried to obtain modified glucose, by lactobacillus helveticus, pycnoporus samguineus spore liquid, modification
Glucose and the water mixing and stirring of gross weight 0.5 times, low temperature 30 DEG C is dried activation, and stirring is dried and is prepared as microencapsulation
Composite bacterium powder is standby；
(2), dynamic fermentation can system is built: described dynamic fermentation can system includes two fermentation tanks placed up and down, up and down
Fermentation tank connectivity part is provided with filter membrane, and outside is provided with dynamic pump, for bottom fermentation tank fermented product is pumped into top fermentation tank；By indigo plant
Algae removes silt, micronizing, adds the water mixing and stirring of gross weight 5 times, uses at the ultrasonic assistant breaking cellular wall of 600W
Reason 1h, obtains cyanophyceae culture medium, after sterilized for this culture medium process, puts into the top fermentation tank of constructed dynamic fermentation can system
In, and putting into microencapsulation composite bacterium powder, stirring fermentation at 25 DEG C, when the fermentation liquid of the cyanophyceae culture medium in top fermentation tank passes through
Membrane filtration is to bottom fermentation tank so that when culture medium is deposited to top fermentation pot bottom, opens dynamic pump and realizes issuing fermenting pot
Thing once pumps into top fermentation tank, and and top fermentation tank culture medium mixing and stirring, be again stirring for fermenting to culture medium and being deposited to
Top fermentation pot bottom, completes circulation fed-batch fermentation once, circulates 4-5 time, obtains blue algae fermentation slag standby in top fermentation tank；Under
The blue algae fermentation complex liquid obtaining high lactic acid conversion ratio in fermentation tank is standby；
(3), the blue algae fermentation slag that step (2) obtains bakes after shrink micronizing again, and to obtain cyanophyceae fiber standby；Will step
Suddenly the blue algae fermentation complex liquid of the high lactic acid conversion ratio that (2) obtain first 80 DEG C of stirring concentration 50min, put into afterwards airtight instead
Answer in still, be passed through noble gas N2 and be slowly heated to 160 DEG C and be evacuated to 160Pa and continuously stirred lactic acid directly taken off
Water is condensed, and continues heating afterwards and slowly reduces pressure, and at 220-260 DEG C, under 133Pa, further polycondensation, obtains polydactyl acid；
(4), soybean protein isolate, zein, hydroformylation starch, hard paraffin and alginate fibre are mixed, at 70-75
Under the conditions of DEG C 600-700rpm/min speed stirring 26-28min formed suspension, by this suspension add polydactyl acid with
And Polyethylene Glycol, under the conditions of 90-95 DEG C, 600-700rpm/min speed stirring 40-45min, obtains reactant liquor, by this reactant liquor
Through screw extruder extruding pelletization, by the pellet of extruding pelletization through calendering film forming, then natural cooling is dried, and to obtain final product.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114854186A (en) * | 2022-06-02 | 2022-08-05 | 苏州博大永旺新材股份有限公司 | Heat-resistant modified polylactic acid fully-degradable material for tableware |
| CN114850193A (en) * | 2022-05-20 | 2022-08-05 | 渭南市农业技术推广中心 | Method for controlling degradation speed of agricultural biodegradable mulching film |
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| CN101875765A (en) * | 2010-07-14 | 2010-11-03 | 华东理工大学 | Plasticized polylactic acid/inorganic nano composite material and preparation method thereof |
| CN102108196A (en) * | 2010-12-30 | 2011-06-29 | 广东上九生物降解塑料有限公司 | Method for preparing polylactic acid degradable material |
| 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 |
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2016
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101875765A (en) * | 2010-07-14 | 2010-11-03 | 华东理工大学 | Plasticized polylactic acid/inorganic nano composite material and preparation method thereof |
| CN102108196A (en) * | 2010-12-30 | 2011-06-29 | 广东上九生物降解塑料有限公司 | Method for preparing polylactic acid degradable material |
| 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 |
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| 杨海麟 等: ""蓝藻资源无害化利用技术的研究"", 《生物技术》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850193A (en) * | 2022-05-20 | 2022-08-05 | 渭南市农业技术推广中心 | Method for controlling degradation speed of agricultural biodegradable mulching film |
| CN114850193B (en) * | 2022-05-20 | 2023-03-14 | 渭南市农业技术推广中心 | Method for controlling degradation speed of agricultural biodegradable mulching film |
| CN114854186A (en) * | 2022-06-02 | 2022-08-05 | 苏州博大永旺新材股份有限公司 | Heat-resistant modified polylactic acid fully-degradable material for tableware |
| CN114854186B (en) * | 2022-06-02 | 2022-12-30 | 苏州博大永旺新材股份有限公司 | Heat-resistant modified polylactic acid fully-degradable material for tableware |
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Application publication date: 20161116 |