CN103937039B - A kind of preparation method of alginate calcium base cavernous body functional materials - Google Patents
A kind of preparation method of alginate calcium base cavernous body functional materials Download PDFInfo
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- CN103937039B CN103937039B CN201410137327.3A CN201410137327A CN103937039B CN 103937039 B CN103937039 B CN 103937039B CN 201410137327 A CN201410137327 A CN 201410137327A CN 103937039 B CN103937039 B CN 103937039B
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- cavernous body
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- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000011575 calcium Substances 0.000 title claims abstract description 21
- 229910052791 calcium Inorganic materials 0.000 title claims abstract description 21
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229940072056 alginate Drugs 0.000 title claims abstract description 19
- 235000010443 alginic acid Nutrition 0.000 title claims abstract description 19
- 229920000615 alginic acid Polymers 0.000 title claims abstract description 19
- 239000008204 material by function Substances 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims abstract description 20
- 235000010413 sodium alginate Nutrition 0.000 claims abstract description 20
- 239000000661 sodium alginate Substances 0.000 claims abstract description 20
- 229940005550 sodium alginate Drugs 0.000 claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 14
- 239000012745 toughening agent Substances 0.000 claims abstract description 11
- 159000000013 aluminium salts Chemical class 0.000 claims abstract description 8
- 229910000329 aluminium sulfate Inorganic materials 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 159000000003 magnesium salts Chemical class 0.000 claims abstract description 7
- 159000000007 calcium salts Chemical class 0.000 claims abstract description 6
- 239000002086 nanomaterial Substances 0.000 claims abstract description 4
- -1 aluminum ion Chemical class 0.000 claims description 14
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 12
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 12
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 8
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 7
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 claims description 6
- 238000005342 ion exchange Methods 0.000 claims description 6
- 229910001425 magnesium ion Inorganic materials 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 159000000000 sodium salts Chemical class 0.000 claims description 5
- 229920001661 Chitosan Polymers 0.000 claims description 4
- 108010022355 Fibroins Proteins 0.000 claims description 4
- 108010010803 Gelatin Proteins 0.000 claims description 4
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 4
- 229920002678 cellulose Polymers 0.000 claims description 4
- 239000001913 cellulose Substances 0.000 claims description 4
- 229920000159 gelatin Polymers 0.000 claims description 4
- 239000008273 gelatin Substances 0.000 claims description 4
- 235000019322 gelatine Nutrition 0.000 claims description 4
- 235000011852 gelatine desserts Nutrition 0.000 claims description 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 4
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 4
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 4
- 230000008595 infiltration Effects 0.000 claims description 4
- 238000001764 infiltration Methods 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 4
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 4
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 229910001415 sodium ion Inorganic materials 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 23
- 239000000203 mixture Substances 0.000 abstract description 8
- 239000003063 flame retardant Substances 0.000 abstract description 4
- 238000005213 imbibition Methods 0.000 abstract description 4
- 239000010865 sewage Substances 0.000 abstract description 3
- 239000003242 anti bacterial agent Substances 0.000 abstract description 2
- 229940088710 antibiotic agent Drugs 0.000 abstract description 2
- 230000003115 biocidal effect Effects 0.000 abstract description 2
- 230000035699 permeability Effects 0.000 abstract description 2
- 238000004886 process control Methods 0.000 abstract 1
- 239000002585 base Substances 0.000 description 13
- 239000000243 solution Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 238000009736 wetting Methods 0.000 description 6
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 5
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 5
- 241000370738 Chlorion Species 0.000 description 5
- 229910001424 calcium ion Inorganic materials 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 239000004745 nonwoven fabric Substances 0.000 description 4
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000001110 calcium chloride Substances 0.000 description 3
- 235000011148 calcium chloride Nutrition 0.000 description 3
- 229910001628 calcium chloride Inorganic materials 0.000 description 3
- LLSDKQJKOVVTOJ-UHFFFAOYSA-L calcium chloride dihydrate Chemical compound O.O.[Cl-].[Cl-].[Ca+2] LLSDKQJKOVVTOJ-UHFFFAOYSA-L 0.000 description 3
- 229940073589 magnesium chloride anhydrous Drugs 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 230000004071 biological effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 230000023597 hemostasis Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000003204 osmotic effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 241001466453 Laminaria Species 0.000 description 1
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 230000000259 anti-tumor effect Effects 0.000 description 1
- 230000000840 anti-viral effect Effects 0.000 description 1
- 230000010100 anticoagulation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000010410 calcium alginate Nutrition 0.000 description 1
- 239000000648 calcium alginate Substances 0.000 description 1
- 229960002681 calcium alginate Drugs 0.000 description 1
- OKHHGHGGPDJQHR-YMOPUZKJSA-L calcium;(2s,3s,4s,5s,6r)-6-[(2r,3s,4r,5s,6r)-2-carboxy-6-[(2r,3s,4r,5s,6r)-2-carboxylato-4,5,6-trihydroxyoxan-3-yl]oxy-4,5-dihydroxyoxan-3-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylate Chemical compound [Ca+2].O[C@@H]1[C@H](O)[C@H](O)O[C@@H](C([O-])=O)[C@H]1O[C@H]1[C@@H](O)[C@@H](O)[C@H](O[C@H]2[C@H]([C@@H](O)[C@H](O)[C@H](O2)C([O-])=O)O)[C@H](C(O)=O)O1 OKHHGHGGPDJQHR-YMOPUZKJSA-L 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 235000021472 generally recognized as safe Nutrition 0.000 description 1
- 230000002218 hypoglycaemic effect Effects 0.000 description 1
- 230000002519 immonomodulatory effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229940050906 magnesium chloride hexahydrate Drugs 0.000 description 1
- DHRRIBDTHFBPNG-UHFFFAOYSA-L magnesium dichloride hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[Cl-].[Cl-] DHRRIBDTHFBPNG-UHFFFAOYSA-L 0.000 description 1
- WRUGWIBCXHJTDG-UHFFFAOYSA-L magnesium sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Mg+2].[O-]S([O-])(=O)=O WRUGWIBCXHJTDG-UHFFFAOYSA-L 0.000 description 1
- 229940061634 magnesium sulfate heptahydrate Drugs 0.000 description 1
- 229940091250 magnesium supplement Drugs 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012567 medical material Substances 0.000 description 1
- 231100000957 no side effect Toxicity 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
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- Medicinal Preparation (AREA)
- Materials For Medical Uses (AREA)
Abstract
The invention discloses a kind of preparation method of alginate calcium base cavernous body functional materials, sodium alginate powder is mixed with soluble calcium salt, magnesium salts or aluminium salt, toughener, is configured as film, sheet through equipment successively, then obtain through Host range and pore-forming reaction; Wherein, the weight percent of sodium alginate powder, soluble calcium salt, magnesium salts or aluminium salt, toughener is 10-65: 7-30:15-35: 10-30.Present invention process controls simple, and facility investment is few, basic without sewage discharge; Obtained functional materials is nanostructure cavernous body, it has external and internal compositions and composition consistence is good, imbibition permeability is excellent, machinery is powerful large, and there is the feature such as flexibility and elasticity preferably, can be used as medical accessory, anti-biotic material, fire retardant material, sorbing material and quieter material, cushioning material etc.
Description
Technical field
The present invention relates to a kind of preparation method of cavernous body functional materials, particularly relate to a kind of preparation method of alginate calcium base cavernous body functional materials.
Background technology
21 century is century of ocean, and the development and utilization of oceanic resources is focuses that various countries competitively develop.As marine plant sea-tangle, annual amount of regeneration is more than 1,500 ten thousand tons.China's marine alga ultimate production in 2012 more than 120 ten thousand tons, wherein sea-tangle output is more than 1,000,000 tons, accounts for more than 90% of Gross World Product, is the country that laminaria culture amount is maximum in the world, has huge resources advantage.
But at present the utilization of sea-tangle is mainly directly used as to food or extracts foodstuff additive, ton valency 4000 yuan to tens thousand of unit not etc., added value is very low.How utilizing sea-tangle resources advantage to be converted into high value-added industries advantage is one of China's important goal in the blueness economy of startup in 2012.Wherein, take sodium alginate as the functional materials of development of raw materials, ton valency can reach 1,000,000 yuan, and added value is 1,000,000 times of traditional product.So the marine alga functional materials that to develop with marine plant sea-tangle be as early as possible raw material is that China promotes one of important channel of marine economy.
Lalgine in sea-tangle and sodium salt thereof are nontoxic, biodegradable natural high polymers.1938, sodium alginate income American Pharmacopeia, 1963 annual income British Pharmacopoeias, 20 century 70 FDA authorized sodium alginate " generally recognized as safe material " title.Lalgine has excellent biological activity, as lipidemia, hypoglycemic, anticoagulation, hemostasis, and immunomodulatory is antitumor, antiviral and nourishing function etc.Sodium alginate have good biocompatibility, biodegradable, have no side effect, and the hygroscopic property of excellence, gellifying property and biological activity, be widely used in chemistry, biology, medicine, food, the field such as environmental protection, fire-fighting.
Alginate calcium base cavernous body functional materials because can be used for purposes widely such as medical accessory, anti-biotic material, fire retardant material, sorbing material and quieter material, cushioning material etc., so have great practical value and broader consumption market.
In the prior art, sodium alginate is the longer linear polymer of a kind of molecular chain, and molecular weight is large, and water-soluble formation is even, transparent, the flowable solution of thickness.But sodium alginate is become a useful person (as film, plate) dry after mechanical property shows as matter crisp, without powerful; Atresia in body, moisture-absorbing moisture-keeping performance is poor.After being solidified by the sodium alginate calcium chloride solution be shaped, still show as that matter is crisp, the defect of moisture-absorbing moisture-keeping performance difference, strongly limit the purposes of itself.
On the other hand, solidified by sodium alginate dissolving, deaeration, wet method spray silk, calcium chloride solution, dewater, the operation such as hot-drawn makes calcium alginate fiber, non-woven fabrics is made with non-woven fabrics apparatus again after cutting into staple fibre, not only apparatus expensive, quantity of wastewater effluent are large, ethanol consumption is very big, processing step is many, inefficiency, valuable product, and although fiber itself solves mechanical powerful problem, but due to fiber atresia, the defect of moisture-absorbing moisture-keeping performance difference overcomes not yet, is still very limited for medical accessory.
Summary of the invention
The object of the invention is, there is provided that a kind of technology controlling and process is simple, facility investment is few, basic without sewage discharge, product external and internal compositions and composition consistence are good, imbibition permeability is excellent, machinery is powerful large, and has the preparation method of the alginate calcium base cavernous body functional materials of good flexibility and elastic nanostructure cavernous body.
The technical scheme that the present invention is adopted for achieving the above object is, a kind of preparation method of alginate calcium base cavernous body functional materials, it is characterized in that, sodium alginate powder is mixed with soluble calcium salt, magnesium salts or aluminium salt, toughener, be configured as film, sheet through equipment successively, then obtain through Host range and pore-forming reaction; Wherein:
The weight percent of described sodium alginate powder and soluble calcium salt, magnesium salts or aluminium salt and toughener is 10-65: 7-30:15-35: 10-30;
Described Host range refers to, in 70-95% water-soluble alcohol solution, under infiltration condition, by sodium ion and calcium, magnesium ion or aluminum ion generation ion exchange reaction, crosslinked IPN effect occurs for Lalgine and toughener macromolecular chain, forms build dimensional network structure;
The reaction of described pore-forming refers to, in the mixing solutions of 30-70% water-soluble alcohol and 0.01-1%EDTA, makes magnesium, aluminum ion stripping, forms the cavernous body of hole shape nanostructure.
As preferably, above-mentioned toughener is any one in following water-soluble linear polymer substance: sodium carboxymethyl-cellulose, cellulose sodium salt, Natvosol, hydroxypropylcellulose, Vltra tears, polyvinylpyrrolidone, polyoxyethylene glycol, chitosan, gelatin or fibroin.
The technique effect that technique scheme is directly brought is,
(1) by whole process, wet-formed to change half way into wet-formed.Be mixed evenly by material composition dry state, be shaped thereafter, then by there is ion-exchange, ion effusion under alcohol-water system wetting conditions, different macromolecular chain swells unfolds, IPN is cross-linked.This makes each composition be evenly distributed in the material, and performance is consistent.And a large amount of solvent can be saved, effects of energy saving and emission reduction is very remarkable.
(2) there is outer immersion to solidify to change body homogeneous state into and solidify.Permeated by water, alcohol small molecules like this and instead of calcium ion infiltration.Calcium ion infiltration is from outer, and be difficult to after surface cure carry out ion-exchange penetrating into material internal, therefore the reaction times is very long, ion-exchange is incomplete, and Surface and internal structure is inconsistent, and calcium ion content is low, impact hemostasis, the function such as fire-retardant.Water, alcohol small molecules are rapid to solid osmotic, and calcium ion completes ion-exchange in position.So not only improve a lot than outer immersion calcium ion osmotic efficiency, and material external and internal compositions after solidification and form consistent, better can play material function.
(3) pore forming factors-non-condensable salt magnesium salts, aluminium salt is hidden when being dry mixed in advance, after alginate calcium is shaping, after alcohol water enveloping agent solution selectivity stripping magnesium salts and aluminium salt, and form nanoporous, form nano-phase material, mutually through pore network and huge surface-area and surface energy, make porous nano phase alginate calcium base cavernous body have good imbibition ventilation property.
(4) the water-soluble polymer toughener of good biocompatibility is added with, not only there is crosslinked IPN effect with alginate calcium macromolecular chain in these flexible macromolecular chains, form build dimensional network structure, the machinery of larger strongthener is powerful, but also add flexibility and elasticity, make material be more suitable for medical material.
(5) with first sodium alginate wet method Cheng Sihou is made again compared with non-woven fabrics, not only save millions of spinning equipments and non-woven fabrics apparatus, greatly shortened process, save second alcohol and water, basic without sewage discharge, and solve machinery brute force and a pore-forming absorption difficult problem simultaneously.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described:
Embodiment 1
Sodium alginate powder, Calcium Chloride Powder Anhydrous, Magnesium Chloride Anhydrous, sodium carboxymethyl-cellulose are rotated evenly blended in V-arrangement rotation blender by 10: 30:30:30, sheet is pressed into again on two-bowl padder, then infiltrate 70% aqueous ethanolic solution, react 30min in wetting regime.With the 30% ethanolic soln washing containing 1%EDTA to just obtaining alginate calcium base sponge sheet material without magnesium ion and chlorion.
Embodiment 2
Sodium alginate powder, Calcium Chloride Powder Anhydrous, aluminum chloride, cellulose sodium salt are rotated by 65: 7:15:13 evenly blended, then be pressed into sheet on two-bowl padder in V-arrangement rotation blender, then infiltrates 95% aqueous ethanolic solution, react 45min in wetting regime.With the 45% ethanolic soln washing containing 0.01%EDTA to just obtaining alginate calcium base sponge sheet material without aluminum ion and chlorion.
Embodiment 3
Sodium alginate powder, Calcium dichloride dihydrate, magnesium sulfate heptahydrate, Natvosol are rotated evenly blended in V-arrangement rotation blender by 50: 25:15:10, sheet is pressed into again on two-bowl padder, then infiltrate 75% aqueous ethanolic solution, react 60min in wetting regime.With the 50% ethanolic soln washing containing 0.05%EDTA to just obtaining alginate calcium base sponge sheet material without magnesium ion and chlorion.
Embodiment 4
Only Natvosol is replaced with hydroxypropylcellulose, all the other are with embodiment 3.
Embodiment 5
Only Natvosol is replaced with Vltra tears, all the other are with embodiment 3.
Embodiment 6
Only Natvosol is replaced with polyvinylpyrrolidone, all the other are with embodiment 3.
Embodiment 7
Only Natvosol is replaced with polyoxyethylene glycol, all the other are with embodiment 3.
Embodiment 8
Only Natvosol is replaced with chitosan, all the other are with embodiment 3.
Embodiment 9
Only Natvosol is replaced with gelatin, all the other are with embodiment 3.
Embodiment 10
Only Natvosol is replaced with fibroin, all the other are with embodiment 3.
Embodiment 11
Sodium alginate powder, Calcium Chloride Powder Anhydrous, Magnesium Chloride Anhydrous, sodium carboxymethyl-cellulose are rotated evenly blended in V-arrangement rotation blender by 55: 15:15:15, in full-automatic kneader, roll film with 65% aqueous ethanolic solution and face again, react 35min in wetting regime.With the 45% ethanolic soln washing containing 0.02%EDTA to just obtaining alginate calcium base sponge membrane material without magnesium ion and chlorion.
Embodiment 12
Only Magnesium Chloride Anhydrous is replaced with Calcium dichloride dihydrate and the Tai-Ace S 150 mixture of 1:1, all the other are with embodiment 11.
Embodiment 13
Sodium alginate powder, Calcium dichloride dihydrate, magnesium chloride hexahydrate, sodium carboxymethyl-cellulose are rotated evenly blended in V-arrangement rotation blender by 45: 15:15:25, in full-automatic kneader, roll film with 75% aqueous ethanolic solution and face again, react 50min in wetting regime.With the 55% ethanolic soln washing containing 0.06%EDTA to just obtaining alginate calcium base sponge membrane material without magnesium ion and chlorion.
Embodiment 14
Only sodium carboxymethyl-cellulose is replaced with hydroxypropylcellulose, all the other are with embodiment 13.
Embodiment 15
Only sodium carboxymethyl-cellulose is replaced with cellulose sodium salt, all the other are with embodiment 13.
Embodiment 16
Only sodium carboxymethyl-cellulose is replaced with polyvinylpyrrolidone, all the other are with embodiment 13.
Embodiment 17
Only sodium carboxymethyl-cellulose is replaced with polyoxyethylene glycol, all the other are with embodiment 13.
Embodiment 18
With embodiment 13, only sodium carboxymethyl-cellulose is replaced with chitosan, all the other are with embodiment 13.
Embodiment 19
Only sodium carboxymethyl-cellulose is replaced with gelatin, all the other are with embodiment 13.
Embodiment 20
Only sodium carboxymethyl-cellulose is replaced with fibroin, all the other are with embodiment 13.
Embodiment 21
Only aqueous ethanolic solution is replaced with methanol aqueous solution, all the other are with embodiment 13.
Embodiment 22
Only aqueous ethanolic solution is replaced with aqueous solution of propylene glycol, all the other are with embodiment 13.
Embodiment 23
Only aqueous ethanolic solution is replaced with the butanols aqueous solution, all the other are with embodiment 13.
Choose the representative embodiment such as embodiment 1,2,3,11,13, carry out salient features test to obtained light body alginate calcium base cavernous body functional materials respectively, test result sees the following form:
| Embodiment sequence number | Shape | Density kg/m 3 | Pick up g/g | Inhibition zone radius/mm | Limited oxygen index |
| 1 | 5mm plate | 144 | 8.7 | 5.1 | 32 |
| 2 | 10mm plate | 146 | 8.6 | 5.3 | 33 |
| 3 | 15mm plate | 152 | 7.1 | 5.0 | 36 |
| 11 | 1.0mm film | 180 | 5.6 | 5.5 | 29 |
| 13 | 2.0mm film | 187 | 5.1 | 5.2 | 31 |
As can be seen from the test result of upper table, adopt the light body alginate calcium base cavernous body functional materials obtained by preparation method of the present invention, because have vesicular structure, density is little, imbibition ability is strong, inhibition zone radius is large, and there is the feature of good flame retardant properties.
Claims (2)
1. a preparation method for alginate calcium base cavernous body functional materials, is characterized in that, by sodium alginate powder and soluble calcium salt, magnesium salts or aluminium salt, toughener mixes, and is configured as film, sheet successively through equipment, then obtains through Host range and pore-forming reaction; Wherein:
Described sodium alginate powder and soluble calcium salt, magnesium salts or aluminium salt, the weight percent of toughener is 10-65: 7-30:15-35: 10-30;
Described Host range refers to, in 70-95% water-soluble alcohol solution, under infiltration condition, by sodium ion and calcium, magnesium ion or aluminum ion generation ion exchange reaction, there is crosslinked IPN effect in Lalgine and toughener macromolecular chain, forms build dimensional network structure;
The reaction of described pore-forming refers to, in the mixing solutions of 30-70% water-soluble alcohol and 0.01-1%EDTA, makes magnesium, aluminum ion stripping, forms the cavernous body of hole shape nanostructure.
2. the preparation method of alginate calcium base cavernous body functional materials according to claim 1, it is characterized in that, described toughener is any one in following water-soluble linear polymer substance: sodium carboxymethyl-cellulose, cellulose sodium salt, Natvosol, hydroxypropylcellulose, Vltra tears, polyvinylpyrrolidone, polyoxyethylene glycol, chitosan, gelatin or fibroin.
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| CN107383441B (en) * | 2017-08-28 | 2019-04-19 | 青岛大学 | Calcium alginate/line borate hybrid inorganic-organic fire resisting cavernous body and preparation method |
| CN107446169B (en) * | 2017-08-28 | 2019-04-23 | 青岛大学 | Elastic calcium alginate/line borate hybrid inorganic-organic materials and preparation method thereof |
| CN107383440B (en) * | 2017-08-28 | 2019-04-19 | 青岛大学 | High temperature resistant calcium alginate foamed flame retardant material and preparation method thereof |
| CN107513184B (en) * | 2017-08-28 | 2019-04-23 | 青岛大学 | Increase soft type calcium alginate/line borate hybrid inorganic-organic materials and preparation method |
| CN110172864B (en) * | 2019-04-30 | 2021-12-31 | 齐鲁工业大学 | Method for preparing plant fiber temperature-resistant flame-retardant paper by using sodium alginate |
| CN110774604B (en) * | 2019-10-10 | 2021-06-22 | 江阴海达橡塑股份有限公司 | Method for opening holes in foamed sponge product |
| CN112076343A (en) * | 2020-08-14 | 2020-12-15 | 中国人民解放军南部战区总医院 | Alginate-carboxymethyl cellulose gel sponge and preparation method and application thereof |
| CN114181425B (en) * | 2020-12-18 | 2023-04-07 | 青岛尼希米生物科技有限公司 | Flame-retardant, antibacterial and mildewproof cellulose-based foam material as well as preparation method and application thereof |
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