CN105907066A - Blue alga based compound biological plastic with nano-calcium nutrient enriched and preparation method of biological plastic - Google Patents
Blue alga based compound biological plastic with nano-calcium nutrient enriched and preparation method of biological plastic Download PDFInfo
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Abstract
The invention discloses blue alga based compound biological plastic with nano-calcium nutrient enriched, comprising the following components in parts by weight: 130-135 of blue algae, 9-10 of lactobacillus helveticus, 7-8 of pycnoporus sanguineus spore suspension, 11-12 of nano-zeolite powder, 4-5 of nano-calcium powder, 6-7 of sodium alginate, 14-15 of levulose, 5-6 of polyvinyl alcohol, 4-5 of sorbitol, 3-4 of liquid paraffin, 2-3 of sodium stearate, 58-60 of polyurethane, 8-9 of sodium tripolyphosphate and the balance of water. The blue alga based biological plastic is prepared from polyurethane matched with a fermentation deep processing product of blue algae, the plastic has biodegradability, the added nano-calcium plays a calcium nutrition enriching effect, and the added nano-zeolite powder plays an effect of improving the structural behavior of the plastic, so that the plastic has good barrier property.
Description
Technical field
The present invention relates to cyanophyceae radical biological degradable plastics arts, particularly relate to a kind of nanometer calcium enriched nutritive cyanophyceae base compound bio plastics and preparation method thereof.
Background technology
Lactic acid, polylactic acid are biochemical products, with recyclable organism material as raw material, utilize biotechnology, product to have biodegradability.The environmental pollution that the energy crisis brought along with petroleum resources exhaustion and chemical industry cause is day by day serious, utilize biomass-based raw material for substrate, significant by Production by Microorganism Fermentation lactic acid；Cyanophyceae is that a class evolutionary history is long, Gram-negative, and atrichia, containing chlorophyll a, is formed without chloroplast, can carry out producing the photosynthetic prokaryote of oxygen performance.Cyanophyceae fermenting raw materials has the non-food products such as high value-added product lactic acid, Pfansteihl, these products can be greatly improved the value of blue algae resource, it is prepared as biological plastics, Wuxi Delin Algal Water Separating Technology Development Co., Ltd. develops the algae powder technology that algae mud is made moisture content less than 10%, the U.S. that exports to that these algae powder costs are the highest is prepared as biological plastics, and oneself lack and be directly realized by the technology that cyanophyceae is processed to biological plastics accordingly, although occupying favourable resource, benefit can not be realized；The domestic current utilization to cyanophyceae focuses mostly on and first prepares the biomass such as cyanophyceae such as blue-green alga extract cyanophycin, cyanophyceae fiber, combine other raw material at the premium properties utilizing these biomass and prepare 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 the following two problem that often is faced with: (1), cyanophyceae raw material realize the cyanophyceae conversion ratio problem to lactic acid by fermenting lactic acid, and 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.The single method of modifying such as adjusting, cross-link, fill or be blended frequently with plasticising, acid, but this single method of modifying is limited, and the Based Full-degradable Plastics Film function singleness prepared and cost height cannot realize the high value of cyanophyceae and develop
Design utilize cyanophyceae raw material efficiently produce high-quality cyanophyceae base biological plastics to improve cyanophyceae value of exploiting and utilizing have great importance.
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 nanometer calcium enriched nutritive cyanophyceae base compound bio plastics and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of nanometer calcium enriched nutritive cyanophyceae base compound bio plastics, including following parts by weight of component: cyanophyceae 130-135, lactobacillus helveticus 9-10, pycnoporus samguineus spore liquid 7-8, nano zeolite powder 11-12, nanometer calcium powder 4-5, sodium alginate 6-7, fructose 14-15, polyvinyl alcohol 5-6, sorbitol 4-5, liquid paraffin 3-4, sodium stearate 2-3, polyurethane 58-60, sodium tripolyphosphate 8-9, appropriate water.
A kind of nanometer calcium enriched nutritive cyanophyceae base compound bio plastics preparation method, comprises the following steps:
(1), the water of nano zeolite powder, nanometer calcium powder, sodium alginate, fructose and gross weight 2 times is mixed, after 40 DEG C of high pressure homogenize are uniformly, spray drying technology is used to be dried to obtain modified fructose, by lactobacillus helveticus, pycnoporus samguineus spore liquid, modified fructose and the water mixing and stirring of gross weight 0.5 times, low temperature 30 DEG C is dried activation, and stirs and be dried that to be prepared as microencapsulation composite bacterium powder standby；
(2), dynamic fermentation can system is built: described dynamic fermentation can system includes two fermentation tanks placed up and down, and upper and lower 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；Cyanophyceae is removed silt, micronizing, add the water mixing and stirring of gross weight 5 times, use ultrasonic assistant broken wall treatment 1h of 600W, obtain cyanophyceae culture medium, after sterilized for this culture medium process, put in the top fermentation tank of constructed dynamic fermentation can system, and put 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 to bottom fermentation tank, when making culture medium be deposited to top fermentation pot bottom, unlatching dynamic pump realizes bottom fermentation tank fermented product and once pumps into top fermentation tank, and and top fermentation tank culture medium mixing and stirring, it is again stirring for fermentation to culture medium and is deposited to top fermentation pot bottom, complete circulation fed-batch fermentation once, circulate 4-5 time, top fermentation tank obtains blue algae fermentation slag standby；The blue algae fermentation complex liquid obtaining high lactic acid conversion ratio in bottom 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；The blue algae fermentation complex liquid of the high lactic acid conversion ratio that step (2) is obtained first 80 DEG C of stirring concentration 50min, put into afterwards in closed reactor, it is passed through noble gas N2 to be slowly heated to 160 DEG C and be evacuated to 160Pa and continuously stirred lactic acid Direct Dehydration be condensed, continue heating afterwards and slowly reduce pressure, at 220-260 DEG C, under 133Pa, further polycondensation, obtains polydactyl acid；
(4), this polydactyl acid will add polyurethane, sodium tripolyphosphate and alginate fibre, 600-700rpm/min speed stirring 40-45min under the conditions of 110-115 DEG C, obtain suspension, this suspension will add polyvinyl alcohol, sorbitol, liquid paraffin, sodium stearate, it is stirred at room temperature first 10-11min, then sonic oscillation 23-24min is allowed to uniform and stable liquid, by this uniform and stable liquid through screw extruder extruding pelletization, through calendering film forming and be get final product by the pellet of extruding pelletization.
The invention have the advantage that the present invention uses polyurethane formulation blue algae fermentation deep processing product to prepare cyanophyceae base biological plastics, these plastics have biodegradability, the nanometer calcium added serves effect of calcium-nutrition intensifying, the nano zeolite powder added serves the effect improving plastic construction performance so that it is have good barrier property；Simultaneously in the preparation process of modified fructose, utilize nano zeolite powder to coordinate sodium alginate, provide good carrier and the carbon source that can make full use of for blue algae fermentation bacterium；Modified fructose coordinates the design of repeatedly fed-batch fermentation technique to improve the lactic acid fermented rotational rate of lactic acid of cyanophyceae, meanwhile, conveniently achieves the separation of blue algae fermentation product, provides the foundation for efficiently producing of cyanophyceae base biological plastics.Present invention process is simple, good in economic efficiency, develops significant to the high-efficiency and economic of domestic cyanophyceae base biofilm.
Detailed description of the invention
A kind of nanometer calcium enriched nutritive cyanophyceae base compound bio plastics, including following parts by weight of component: cyanophyceae 130, lactobacillus helveticus 9, pycnoporus samguineus spore liquid 7, nano zeolite powder 11, nanometer calcium powder 4, sodium alginate 6, fructose 14, polyvinyl alcohol 5, sorbitol 4, liquid paraffin 3, sodium stearate 2, polyurethane 58, sodium tripolyphosphate 8, appropriate water.
A kind of nanometer calcium enriched nutritive cyanophyceae base compound bio plastics preparation method, comprises the following steps:
(1), the water of nano zeolite powder, nanometer calcium powder, sodium alginate, fructose and gross weight 2 times is mixed, after 40 DEG C of high pressure homogenize are uniformly, spray drying technology is used to be dried to obtain modified fructose, by lactobacillus helveticus, pycnoporus samguineus spore liquid, modified fructose and the water mixing and stirring of gross weight 0.5 times, low temperature 30 DEG C is dried activation, and stirs and be dried that to be prepared as microencapsulation composite bacterium powder standby；
(2), dynamic fermentation can system is built: described dynamic fermentation can system includes two fermentation tanks placed up and down, and upper and lower 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；Cyanophyceae is removed silt, micronizing, add the water mixing and stirring of gross weight 5 times, use ultrasonic assistant broken wall treatment 1h of 600W, obtain cyanophyceae culture medium, after sterilized for this culture medium process, put in the top fermentation tank of constructed dynamic fermentation can system, and put 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 to bottom fermentation tank, when making culture medium be deposited to top fermentation pot bottom, unlatching dynamic pump realizes bottom fermentation tank fermented product and once pumps into top fermentation tank, and and top fermentation tank culture medium mixing and stirring, it is again stirring for fermentation to culture medium and is deposited to top fermentation pot bottom, complete circulation fed-batch fermentation once, circulate 4 times, top fermentation tank obtains blue algae fermentation slag standby；The blue algae fermentation complex liquid obtaining high lactic acid conversion ratio in bottom 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；The blue algae fermentation complex liquid of the high lactic acid conversion ratio that step (2) is obtained first 80 DEG C of stirring concentration 50min, put into afterwards in closed reactor, it is passed through noble gas N2 to be slowly heated to 160 DEG C and be evacuated to 160Pa and continuously stirred lactic acid Direct Dehydration be condensed, continue heating afterwards and slowly reduce pressure, at 220 DEG C, under 133Pa, further polycondensation, obtains polydactyl acid；
(4), this polydactyl acid will add polyurethane, sodium tripolyphosphate and alginate fibre, 600rpm/min speed stirring 40min under the conditions of 110 DEG C, obtain suspension, this suspension will add polyvinyl alcohol, sorbitol, liquid paraffin, sodium stearate, it is stirred at room temperature first 10min, then sonic oscillation 23min is allowed to uniform and stable liquid, by this uniform and stable liquid through screw extruder extruding pelletization, through calendering film forming and be get final product by the pellet of extruding pelletization.
Claims (2)
1. nanometer calcium enriched nutritive cyanophyceae base compound bio plastics, it is characterized in that, including following parts by weight of component: cyanophyceae 130-135, lactobacillus helveticus 9-10, pycnoporus samguineus spore liquid 7-8, nano zeolite powder 11-12, nanometer calcium powder 4-5, sodium alginate 6-7, fructose 14-15, polyvinyl alcohol 5-6, sorbitol 4-5, liquid paraffin 3-4, sodium stearate 2-3, polyurethane 58-60, sodium tripolyphosphate 8-9, appropriate water.
2. a nanometer calcium enriched nutritive cyanophyceae base compound bio plastics preparation method, it is characterised in that comprise the following steps:
(1), the water of nano zeolite powder, nanometer calcium powder, sodium alginate, fructose and gross weight 2 times is mixed, after 40 DEG C of high pressure homogenize are uniformly, spray drying technology is used to be dried to obtain modified fructose, by lactobacillus helveticus, pycnoporus samguineus spore liquid, modified fructose and the water mixing and stirring of gross weight 0.5 times, low temperature 30 DEG C is dried activation, and stirs and be dried that to be prepared as microencapsulation composite bacterium powder standby；
(2), dynamic fermentation can system is built: described dynamic fermentation can system includes two fermentation tanks placed up and down, and upper and lower 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；Cyanophyceae is removed silt, micronizing, add the water mixing and stirring of gross weight 5 times, use ultrasonic assistant broken wall treatment 1h of 600W, obtain cyanophyceae culture medium, after sterilized for this culture medium process, put in the top fermentation tank of constructed dynamic fermentation can system, and put 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 to bottom fermentation tank, when making culture medium be deposited to top fermentation pot bottom, unlatching dynamic pump realizes bottom fermentation tank fermented product and once pumps into top fermentation tank, and and top fermentation tank culture medium mixing and stirring, it is again stirring for fermentation to culture medium and is deposited to top fermentation pot bottom, complete circulation fed-batch fermentation once, circulate 4-5 time, top fermentation tank obtains blue algae fermentation slag standby；The blue algae fermentation complex liquid obtaining high lactic acid conversion ratio in bottom 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；The blue algae fermentation complex liquid of the high lactic acid conversion ratio that step (2) is obtained first 80 DEG C of stirring concentration 50min, put into afterwards in closed reactor, it is passed through noble gas N2 to be slowly heated to 160 DEG C and be evacuated to 160Pa and continuously stirred lactic acid Direct Dehydration be condensed, continue heating afterwards and slowly reduce pressure, at 220-260 DEG C, under 133Pa, further polycondensation, obtains polydactyl acid；
(4), this polydactyl acid will add polyurethane, sodium tripolyphosphate and alginate fibre, 600-700rpm/min speed stirring 40-45min under the conditions of 110-115 DEG C, obtain suspension, this suspension will add polyvinyl alcohol, sorbitol, liquid paraffin, sodium stearate, it is stirred at room temperature first 10-11min, then sonic oscillation 23-24min is allowed to uniform and stable liquid, by this uniform and stable liquid through screw extruder extruding pelletization, through calendering film forming and be get final product by the pellet of extruding pelletization.
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Citations (4)
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|---|---|---|---|---|
| CN101760432A (en) * | 2008-12-17 | 2010-06-30 | 新奥科技发展有限公司 | Method for producing bioenergy through microalgae two-step method |
| CN103214862A (en) * | 2013-03-22 | 2013-07-24 | 青岛永卓真塑料制品有限公司 | Formula of wear-resistant and environment-friendly plastic pallet and production process |
| CN104479369A (en) * | 2014-12-19 | 2015-04-01 | 无锡太湖蓝藻资源应用技术研究院有限公司 | Degradable plastic containing algae protein and preparation method of degradable plastic |
| 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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- 2016-07-01 CN CN201610503976.XA patent/CN105907066A/en active Pending
Patent Citations (4)
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|---|---|---|---|---|
| CN101760432A (en) * | 2008-12-17 | 2010-06-30 | 新奥科技发展有限公司 | Method for producing bioenergy through microalgae two-step method |
| CN103214862A (en) * | 2013-03-22 | 2013-07-24 | 青岛永卓真塑料制品有限公司 | Formula of wear-resistant and environment-friendly plastic pallet and production process |
| CN104479369A (en) * | 2014-12-19 | 2015-04-01 | 无锡太湖蓝藻资源应用技术研究院有限公司 | Degradable plastic containing algae protein and preparation method of degradable plastic |
| 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 |
Non-Patent Citations (2)
| Title |
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| 冯飞 等: "聚乳酸/聚氨酯弹性体共混复合材料结构与性能研究", 《塑料工业》 * |
| 杨海麟 等: "蓝藻资源无害化利用技术的研究", 《生物技术》 * |
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