CN105968758A - Liquid silica gel modified cyanophyta-based composite bioplastic and preparation method thereof - Google Patents
Liquid silica gel modified cyanophyta-based composite bioplastic and preparation method thereof Download PDFInfo
- Publication number
- CN105968758A CN105968758A CN201610503977.4A CN201610503977A CN105968758A CN 105968758 A CN105968758 A CN 105968758A CN 201610503977 A CN201610503977 A CN 201610503977A CN 105968758 A CN105968758 A CN 105968758A
- Authority
- CN
- China
- Prior art keywords
- fermentation
- parts
- cyanophyceae
- fermentation tank
- silica gel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
- C08G63/08—Lactones or lactides
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/20—Bacteria; Culture media therefor
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/40—Preparation of oxygen-containing organic compounds containing a carboxyl group including Peroxycarboxylic acids
- C12P7/56—Lactic acid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Genetics & Genomics (AREA)
- Biotechnology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Tropical Medicine & Parasitology (AREA)
- Virology (AREA)
- Biomedical Technology (AREA)
- Biological Depolymerization Polymers (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
The invention discloses liquid silica gel modified cyanophyta-based composite bioplastic which comprises, by weight, 130-135 parts of cyanophyta, 4-5 parts of lactobacillus, 5-6 parts of bacillus, 7-8 parts of pycnoporus sanguineus spore liquid, 10-11 parts of liquid silica gel, 2-3 parts of nanosilver colloid, 7-8 parts of cyclodextrin, 15-16 parts of fructose, 60-62 parts of kenaf fiber, 58-60 parts of sponge rubber, 4-5 parts of sodium aliginate and 8-9 parts of N-succinyl chitosan. The cyanophyta-based composite bioplastic is prepared by combining kenaf fiber and sponge rubber with a cyanophyta fermentation deep-processing product under action of dibenzoyl peroxide serving as a cross linking agent, and the plastic is biodegradable and highly flexible and foldable; liquid silica gel and nanosilver colloid which are added are combined, so that release rate of nanosilver is reduced, antibacterial validity period of the bioplastic is prolonged, and the bioplastic has excellent antibacterial performance.
Description
Technical field
The present invention relates to cyanophyceae radical biological degradable plastics arts, particularly relate to a kind of liquid silica gel modification 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
Count out 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 liquid silica gel modification cyanophyceae base compound bio plastics and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of liquid silica gel modification cyanophyceae base compound bio plastics, including following parts by weight of component: cyanophyceae 130-135, lactobacillus 4-5, bacillus cereus 5-6, pycnoporus samguineus spore liquid 7-8, liquid silica gel 10-11, nano-silver colloid 2-3, cyclodextrin 7-8, fructose 15-16, bastose 60-62, sponge rubber 58-60, sodium alginate 4-5, N-succinyl-chitosan 8-9, cellulose diacetate 2-3, peroxidating phenyl-diformyl 3-4, polyvinyl alcohol 4-5, appropriate water.
A kind of liquid silica gel modification cyanophyceae base compound bio plastics preparation method, comprises the following steps:
(1), by liquid silica gel after 110 DEG C of high temperature melting, cooling procedure rapidly joins nano-silver colloid, after stirring, cold drying micronizing, obtain modified silicon rubber powder standby;The water of modified silicon rubber powder, fructose, biomass nano cellulose, cyclodextrin and gross weight 2 times is mixed, after 80 DEG C of high pressure homogenize are uniformly, spray drying technology is used to be dried to obtain modified fructose, by lactobacillus, bacillus cereus, 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 bastose, sponge rubber, sodium alginate, N-succinyl-chitosan, cellulose diacetate and alginate fibre, under the conditions of 70-75 DEG C, 600-700rpm/min speed stirring 26-28min forms suspension, form suspension, this suspension will add peroxidating phenyl-diformyl, polyvinyl alcohol, 600-700rpm/min speed stirring 40-45min under the conditions of 90-95 DEG C, obtain 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, obtain.
The invention have the advantage that the present invention uses bastose, sponge rubber to coordinate blue algae fermentation deep processing product to prepare cyanophyceae base biological plastics under the effect of cross-linking agent peroxidating phenyl-diformyl, these plastics have biodegradability, there is good pliability and foldability, the liquid silica gel added and nano-silver colloid combine, slow down the rate of release of nanometer silver, extend the antibacterial expiry date of this biological plastics so that it is there is the anti-microbial property of excellence;Meanwhile, in the preparation process of modified fructose, utilize mechanical property and the space structure of liquid silica gel so that it is there is good uniform high surface area, 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 liquid silica gel modification cyanophyceae base compound bio plastics, including following parts by weight of component: cyanophyceae 130, lactobacillus 4, bacillus cereus 5, pycnoporus samguineus spore liquid 7, liquid silica gel 10, nano-silver colloid 2, cyclodextrin 7, fructose 15, bastose 60, sponge rubber 58, sodium alginate 4, N succinyl-chitosan 8, cellulose diacetate 2, peroxidating phenyl-diformyl 3, polyvinyl alcohol 4, appropriate water.
A kind of liquid silica gel modification cyanophyceae base compound bio plastics preparation method, comprises the following steps:
(1), by liquid silica gel after 110 DEG C of high temperature melting, cooling procedure rapidly joins nano-silver colloid, after stirring, cold drying micronizing, obtain modified silicon rubber powder standby;The water of modified silicon rubber powder, fructose, biomass nano cellulose, cyclodextrin and gross weight 2 times is mixed, after 80 DEG C of high pressure homogenize are uniformly, spray drying technology is used to be dried to obtain modified fructose, by lactobacillus, bacillus cereus, 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 bastose, sponge rubber, sodium alginate, N succinyl-chitosan, cellulose diacetate and alginate fibre, under the conditions of 70 DEG C, 600rpm/min speed stirring 26min forms suspension, form suspension, this suspension will add peroxidating phenyl-diformyl, polyvinyl alcohol, 600rpm/min speed stirring 40min under the conditions of 90 DEG C, obtain 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.
Claims (2)
1. liquid silica gel modification cyanophyceae base compound bio plastics, it is characterized in that, including following parts by weight of component: cyanophyceae 130-135, lactobacillus 4-5, bacillus cereus 5-6, pycnoporus samguineus spore liquid 7-8, liquid silica gel 10-11, nano-silver colloid 2-3, cyclodextrin 7-8, fructose 15-16, bastose 60-62, sponge rubber 58-60, sodium alginate 4-5, N-succinyl-chitosan 8-9, cellulose diacetate 2-3, peroxidating phenyl-diformyl 3-4, polyvinyl alcohol 4-5, appropriate water.
2. a liquid silica gel modification cyanophyceae base compound bio plastics preparation method, it is characterised in that comprise the following steps:
(1), by liquid silica gel after 110 DEG C of high temperature melting, cooling procedure rapidly joins nano-silver colloid, after stirring, cold drying micronizing, obtain modified silicon rubber powder standby;The water of modified silicon rubber powder, fructose, biomass nano cellulose, cyclodextrin and gross weight 2 times is mixed, after 80 DEG C of high pressure homogenize are uniformly, spray drying technology is used to be dried to obtain modified fructose, by lactobacillus, bacillus cereus, 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 bastose, sponge rubber, sodium alginate, N-succinyl-chitosan, cellulose diacetate and alginate fibre, under the conditions of 70-75 DEG C, 600-700rpm/min speed stirring 26-28min forms suspension, form suspension, this suspension will add peroxidating phenyl-diformyl, polyvinyl alcohol, 600-700rpm/min speed stirring 40-45min under the conditions of 90-95 DEG C, obtain 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, obtain.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610503977.4A CN105968758A (en) | 2016-07-01 | 2016-07-01 | Liquid silica gel modified cyanophyta-based composite bioplastic and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610503977.4A CN105968758A (en) | 2016-07-01 | 2016-07-01 | Liquid silica gel modified cyanophyta-based composite bioplastic and preparation method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN105968758A true CN105968758A (en) | 2016-09-28 |
Family
ID=56953330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610503977.4A Withdrawn CN105968758A (en) | 2016-07-01 | 2016-07-01 | Liquid silica gel modified cyanophyta-based composite bioplastic and preparation method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105968758A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107083045A (en) * | 2017-05-25 | 2017-08-22 | 句容市兴武包装有限公司 | A kind of method that degradable film for package is prepared by base-material of blue-green algae |
CN114698648A (en) * | 2022-03-29 | 2022-07-05 | 浙江恒达新材料股份有限公司 | Preparation method of nano-silver loaded antibacterial fiber nanoparticles |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
2016
- 2016-07-01 CN CN201610503977.4A patent/CN105968758A/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Non-Patent Citations (1)
Title |
---|
杨海麟: ""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 |
---|---|---|---|---|
CN107083045A (en) * | 2017-05-25 | 2017-08-22 | 句容市兴武包装有限公司 | A kind of method that degradable film for package is prepared by base-material of blue-green algae |
CN107083045B (en) * | 2017-05-25 | 2020-01-17 | 句容市兴武包装有限公司 | Method for preparing degradable packaging film by using blue algae as base material |
CN114698648A (en) * | 2022-03-29 | 2022-07-05 | 浙江恒达新材料股份有限公司 | Preparation method of nano-silver loaded antibacterial fiber nanoparticles |
CN114698648B (en) * | 2022-03-29 | 2024-03-22 | 浙江恒达新材料股份有限公司 | Preparation method of nano silver loaded antibacterial fiber nano particles |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Reiniati et al. | Recent developments in the production and applications of bacterial cellulose fibers and nanocrystals | |
Antinori et al. | Fine-tuning of physicochemical properties and growth dynamics of mycelium-based materials | |
Reshmy et al. | Bacterial nanocellulose: engineering, production, and applications | |
Ray et al. | In situ processing of cellulose nanocomposites | |
Kim et al. | Bacterial cellulose production by Gluconacetobacter sp. PKY5 in a rotary biofilm contactor | |
de Olyveira et al. | Bacterial nanocellulose for medicine regenerative | |
CN106118000A (en) | A kind of nano-sized carbon aeroge modification cyanophyceae base compound bio plastics and preparation method thereof | |
CN106430527B (en) | A kind of organism compatibility filling and preparation method thereof | |
Vadanan et al. | Bacterial cellulose production, functionalization, and development of hybrid materials using synthetic biology | |
Kalia et al. | Modification of ramie fibers using microwave-assisted grafting and cellulase enzyme–assisted biopolishing: a comparative study of morphology, thermal stability, and crystallinity | |
CN105968759A (en) | Biomass nanometer cellulose modified blue-green algae based composite biological plastic and method for preparing same | |
CN105968758A (en) | Liquid silica gel modified cyanophyta-based composite bioplastic and preparation method thereof | |
CN111635572A (en) | Nano TiO (titanium dioxide)2Modified polyethylene composite antibacterial film and preparation method thereof | |
CN105420127B (en) | High-yield strain of high-molecular-weight pullulan and method for producing high-molecular-weight pullulan by using high-yield strain | |
Feng et al. | Efficient production of poly‐γ‐glutamic acid from cane molasses by Bacillus subtilis NX‐2 immobilized on chemically modified sugarcane bagasse | |
CN113801457A (en) | Efficient antibacterial polycarbonate composite material and preparation method thereof | |
El Gazzar et al. | BACTERIAL CELLULOSE AS A BASE MATERIAL IN BIODIGITAL ARCHITECTURE (BETWEEN BIO-MATERIAL DEVELOPMENT AND STRUCTURAL CUSTOMIZATION). | |
CN111471162A (en) | TiO22-polyaniline graft modified polyurethane antibacterial material and preparation method thereof | |
CN106117999A (en) | A kind of organic nano bentonite modified cyanophyceae base Biocomposite material and preparation method thereof | |
CN106398142A (en) | Nanometer-graphene-modified blue-green alga based composite bio-plastic and preparing method thereof | |
CN105968760A (en) | Cyanobacteria-based biodegradable composite film material prepared by Cyanobacteria fermentation and preparation method thereof | |
John et al. | Production of L (+) lactic acid from cassava starch hydrolyzate by immobilized Lactobacillus delbrueckii | |
CN116145280A (en) | TiO (titanium dioxide) 2 PHMG composite modified PET antibacterial fabric and preparation method thereof | |
CN105968761A (en) | Layered nano filler montmorillonite modified cyanobacteria-based compound bioplastic and preparation method thereof | |
CN105907067A (en) | Chitosan cyanobacteria-based composite biofilm with high oxidation resistance and preparation method thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160928 |