CN101168603A - Soybean separation protein/cellulose mixed solution, and preparation method and use thereof - Google Patents
Soybean separation protein/cellulose mixed solution, and preparation method and use thereof Download PDFInfo
- Publication number
- CN101168603A CN101168603A CNA2007101685218A CN200710168521A CN101168603A CN 101168603 A CN101168603 A CN 101168603A CN A2007101685218 A CNA2007101685218 A CN A2007101685218A CN 200710168521 A CN200710168521 A CN 200710168521A CN 101168603 A CN101168603 A CN 101168603A
- Authority
- CN
- China
- Prior art keywords
- soybean protein
- protein isolate
- cellulose
- solution
- naoh
- 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.)
- Pending
Links
Landscapes
- Jellies, Jams, And Syrups (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to soybean separation protein/cellulose mixed solution. Soybean separation protein is dispersed in the combination water solution of NaOH and carbamide, the combination water solution is agitated to be even to obtain 0.5 to 5 wt percent of soybean separation protein solution, then the prepared soybean separation protein solution is precooled to -12 to -13 DEG C, cellulose is added into the prepared soybean separation protein solution and then is agitated to be even to obtain the transparent soybean separation protein/cellulose mixed solution; the weight ratio of the soybean separation protein and the cellulose is 0.5:9.5 to 5:5, and the soybean separation protein and the cellulose occupy 4 to 8 wt percent of the mixed solution. Or the mixed water solution which is precooled to -12 to -13 DEG C and composed of the NaOH, the carbamide and the soybean separation protein is utilized to directly dissolve the cellulose to obtain the soybean separation protein/cellulose mixed solution. The obtained mixed solution can prepare soybean separation protein/cellulose film, soybean separation protein/cellulose fiber or other soybean separation protein/cellulose compound materials through a tape-casting way, etc.
Description
Technical field
The present invention relates to a kind of soybean protein isolate/cellulose mixed solution and its production and use.
Background technology
Plant cellulose is a renewable resources the abundantest on the earth, and soybean protein isolate is the same with Mierocrystalline cellulose, belongs to environment-friendly material, and soybean protein isolate is wide material sources, low price.Make full use of Mierocrystalline cellulose and protein and not only can protect environment, and can save limited petroleum resources.Recently, China existing technology and technology with the soybean protein isolate direct fabrics, the protein fibre development is rapider, plurality of advantages as softness, moisture absorption, ventilative, do not produce static etc. and make it enjoy favor, but also physicals is bad that its production application is limited to owing to its wear resistance, dyeability etc. simultaneously.Soybean protein isolate/cellulose composite material then can make bill of material reveal more excellent performance in conjunction with both advantages.Someone reports with soybean protein isolate and Mierocrystalline cellulose viscose co-blended spinning, and has applied for patent.But the CS that viscose process produces
2, heavy metal etc., severe contamination environment.
Summary of the invention
The purpose of this invention is to provide a kind of soybean protein isolate/cellulose mixed solution and its production and use, protein and Mierocrystalline cellulose are uniformly dispersed in this mixing solutions, it is simple to solidify technological processs such as regeneration, need not desulfurization, whole technological process is pollution-free, the protein stream vector is few, is easy to industrialization.
For achieving the above object, the technical solution adopted in the present invention is as follows:
A kind of soybean protein isolate/cellulose mixed solution is made up of the combination solution of soybean protein isolate, Mierocrystalline cellulose and NaOH/ urea; The combination solution of NaOH/ urea is made of the water of 6～8wt%NaOH, 10～14wt% urea and surplus; Wherein, soybean protein isolate and cellulosic weight ratio are: 0.5: 9.5～5: 5, and 4～8wt% of soybean protein isolate and cellulose comprises mixing solutions, all the other are the combination solution of NaOH/ urea.
The preparation method of above-mentioned soybean protein isolate/cellulose mixed solution, soybean protein isolate is scattered in the combination solution that contains 6～8wt%NaOH and 10～14wt% urea, at room temperature stir and obtain 0.5～5wt% soybean protein isolate solution, then the soybean protein isolate solution that makes is pre-chilled to-12～-13 ℃, add Mierocrystalline cellulose, stirring to obtain transparent soybean protein isolate/cellulose mixed solution; Wherein by weight, soybean protein isolate and cellulosic ratio are: 0.5: 9.5～5: 5, and 4～8wt% of soybean protein isolate and cellulose comprises mixing solutions, all the other are the combination solution of NaOH/ urea.
The preparation method of above-mentioned soybean protein isolate/cellulose mixed solution is scattered in soybean protein isolate in the combination solution that contains 6～8wt%NaOH and 10～14wt% urea, at room temperature stirs to obtain 10～40wt% soybean protein isolate solution; The combination solution that will contain 6～8wt%NaOH and 10～14wt% urea is pre-chilled to-12～-13 ℃, adds Mierocrystalline cellulose, and stirring obtains cellulose solution; The soybean protein isolate solution and the cellulose solution that make are respectively mixed, can obtain transparent soybean protein isolate/cellulose mixed solution.Wherein by weight, soybean protein isolate and cellulosic ratio are: 0.5: 9.5～5: 5, and 4～8wt% of soybean protein isolate and cellulose comprises mixing solutions, all the other are the combination solution of NaOH/ urea.
A kind of method of utilizing above-mentioned soybean protein isolate/cellulose mixed solution to prepare soybean protein isolate/cellulose composite membrane, with soybean protein isolate/cellulose mixed solution curtain coating, through containing the precipitation bath solidification forming of sulfuric acid or sulfuric acid/sodium sulfate, can obtain soybean protein isolate/cellulose composite membrane after the drying, wherein Mierocrystalline cellulose is 9.5: 0.5～5: 5 with the dry weight ratio of soybean protein isolate.
A kind of method of utilizing above-mentioned soybean protein isolate/cellulose mixed solution to prepare soybean protein isolate/cellulose composite fiber, adopt wet-spinning, with soybean protein isolate/cellulose mixed solution spray silk, through containing the precipitation bath solidification forming of sulfuric acid or sulfuric acid/sodium sulfate, can obtain soybean protein isolate/cellulose composite fiber after the drying, wherein the dry weight of Mierocrystalline cellulose and soybean protein isolate is 9.5: 0.5～5: 5.
Compared with the prior art, innovation of the present invention is as follows:
The present invention is a raw material with the abundantest natural polymer Mierocrystalline cellulose of the most cheap vegetable-protein soybean protein isolate and source, and wherein, soybean protein isolate and cellulosic dissolving, blend and regeneration all are physical processes, and chemical reaction does not take place.Wherein, blending technology both can adopt soybean protein isolate and Mierocrystalline cellulose to dissolve solution blending afterwards respectively, also can adopt the direct dissolving cellulos of proteinaceous solution and blend.Whole technology is not high to equipment requirements, need not desulfurization, and soybean protein isolate number of dropouts few (number of dropouts is about 2～20%) helps suitability for industrialized production, the easy recycling use of waste liquid.The present invention is a raw material with sodium hydroxide, urea, water, and low price is simple to operation, environmentally safe.
Embodiment
Below in conjunction with concrete example technical scheme of the present invention is described further:
Embodiment 1
0.5 gram soybean protein isolate is scattered in 190 grams contains in the mixed aqueous solution of 6～8wt%NaOH and 10～14wt% urea, at room temperature stir, be chilled to-12 ℃ in advance, get cotton linter pulp (viscosity-average molecular weight M immediately until the soybean protein isolate dissolving
η=8 * 10
4) 9.5 grams drop into wherein, stir (about 3 minutes) under 0 ℃, can make soybean protein isolate/cellulose mixed solution.Wherein Mierocrystalline cellulose is 9.5: 0.5 with proteinic dry weight ratio, and Mierocrystalline cellulose and protein close and accounts for 5% of solution.
Embodiment 2
4 gram soybean protein isolates are scattered in 192 grams contain in the mixed aqueous solution of 6～8wt%NaOH and 10～14wt% urea, at room temperature stir, be chilled to-12 ℃ in advance, get cotton linter pulp (viscosity-average molecular weight M immediately until the soybean protein isolate dissolving
η=10 * 10
4) 4 grams drop into wherein, stir (about 3 minutes) under 0 ℃, can make soybean protein isolate/cellulose mixed solution.Wherein Mierocrystalline cellulose is 5: 5 with proteinic dry weight ratio, and Mierocrystalline cellulose and protein close and accounts for 4% of solution.
Embodiment 3
6 gram soybean protein isolates are scattered in 184 grams contain in the mixed aqueous solution of 6～8wt%NaOH and 10～14wt% urea, at room temperature stir, be chilled to-12 ℃ in advance, get cotton linter pulp (viscosity-average molecular weight M immediately until the soybean protein isolate dissolving
η=6 * 10
4) 10 grams drop into wherein, stir (about 3 minutes) under 0 ℃, can make soybean protein isolate/cellulose mixed solution.Wherein Mierocrystalline cellulose is 3: 5 with proteinic dry weight ratio, and Mierocrystalline cellulose and protein close and accounts for 8% of solution.
Embodiment 4
0.5 gram soybean protein isolate is scattered in 10 grams contains in the mixed aqueous solution of 6～8wt%NaOH and 10～14wt% urea, at room temperature stirring makes soybean protein isolate solution.180 gram 7wt%NaOH/12wt% aqueous solution of urea are chilled to-12 ℃ in advance, get cotton linter pulp (viscosity-average molecular weight M immediately
η=8 * 10
4) 9.5 grams drop into wherein, stir (about 3 minutes) under 0 ℃, make transparent cellulose solution.Above-mentioned soybean protein isolate solution and cellulose solution are mixed, stir 30min, can make soybean protein isolate/cellulose mixed solution.Wherein Mierocrystalline cellulose is 9.5: 0.5 with proteinic dry weight ratio, and Mierocrystalline cellulose and protein close and accounts for 5% of solution.
Embodiment 5
6 gram soybean protein isolates are scattered in 30 grams contain in the mixed aqueous solution of 6～8wt%NaOH and 10～14wt% urea, at room temperature stirring makes soybean protein isolate solution.154 gram 7wt%NaOH/12wt% aqueous solution of urea are chilled to-12 ℃ in advance, get cotton linter pulp (viscosity-average molecular weight M immediately
η=6 * 10
4) 10 grams drop into wherein, stir (about 3 minutes) under 0 ℃, make transparent cellulose solution.Above-mentioned soybean protein isolate solution and cellulose solution are mixed, stir 30min, can make soybean protein isolate/cellulose mixed solution.Wherein Mierocrystalline cellulose is 3: 5 with proteinic dry weight ratio, and Mierocrystalline cellulose and protein close and accounts for 8% of solution.
Embodiment 6
4 gram soybean protein isolates are scattered in 30 grams contain in the mixed aqueous solution of 6～8wt%NaOH and 10～14wt% urea, at room temperature stirring makes soybean protein isolate solution.162 gram 7wt%NaOH/12wt% aqueous solution of urea are chilled to-12 ℃ in advance, get cotton linter pulp (viscosity-average molecular weight M immediately
η=8 * 10
4) 4 grams drop into wherein, stir (about 3 minutes) under 0 ℃, make transparent cellulose solution.Above-mentioned soybean protein isolate solution and cellulose solution are mixed, stir 30min, can make soybean protein isolate/cellulose mixed solution.Wherein Mierocrystalline cellulose is 5: 5 with proteinic dry weight ratio, and Mierocrystalline cellulose and protein close and accounts for 4% of solution.
Embodiment 7
1 gram soybean protein isolate is scattered in 200 grams contains in the mixed aqueous solution of 6～8wt%NaOH and 10～14wt% urea, at room temperature stir, be chilled to-12 ℃ in advance, get cotton linter pulp (viscosity-average molecular weight M immediately until the soybean protein isolate dissolving
η=10 * 10
4) 9 grams drop into wherein, stir (about 3 minutes) under 0 ℃, can make soybean protein isolate/cellulose mixed solution.The soybean protein isolate that makes/cellulose solution is filtered after the deaeration casting film-forming on sheet glass, put into the 5wt% aqueous sulfuric acid then, soak after 5 minutes and take out, water is rinsed well, dry, can obtain soybean protein isolate/cellulose composite membrane, wherein Mierocrystalline cellulose is 9: 1 with proteinic dry weight ratio.Record its tensile strength σ by electronics pulling experiment machine
b, elongation at break ε
bAnd Young's modulus is respectively 100MPa, 11% and 4800MPa, and transmittance is 90% (800nm), finally records the soybean protein isolate number of dropouts less than 5%.Perhaps soybean protein isolate/cellulose solution is carried out wet-spinning, can obtain soybean protein isolate/cellulose composite fiber.
Embodiment 8
3 gram soybean protein isolates are scattered in 27 grams contain in the mixed aqueous solution of 6～8wt%NaOH and 10～14wt% urea, at room temperature stirring to make 10% soybean protein isolate solution.193 gram 7wt%NaOH/12wt% aqueous solution of urea are chilled to-12 ℃ in advance, get cotton linter pulp (viscosity-average molecular weight M immediately
η=10 * 10
4) 7 grams drop into wherein, stir (about 3 minutes) under 0 ℃, make transparent cellulose solution.Above-mentioned 30 gram soybean protein isolate solution and 200 gram cellulose solutions are mixed, stir 30min, filter deaeration, casting film-forming, water is rinsed well, dries, can obtain soybean protein isolate/cellulose composite membrane, wherein Mierocrystalline cellulose is 7: 3 with proteinic dry weight ratio.Record its tensile strength σ by electronics pulling experiment machine
b, elongation at break ε
bAnd Young's modulus is respectively 87 MPa, 7.5% and 5300MPa, and transmittance is 82% (800nm), finally records the soybean protein isolate number of dropouts less than 20%.Perhaps soybean protein isolate/cellulose solution is carried out wet-spinning, can make soybean protein isolate/cellulose composite fiber.
Embodiment 9
4 gram soybean protein isolates are scattered in 200 grams contain in the mixed aqueous solution of 6～8wt%NaOH and 10～14wt% urea, at room temperature stir, be chilled to-12 ℃ in advance, get cotton linter pulp (viscosity-average molecular weight M immediately until the soybean protein isolate dissolving
η=10 * 10
4) 6 grams drop into wherein, stir (about 3 minutes) under 0 ℃, can make soybean protein isolate/cellulose mixed solution.The soybean protein isolate that makes/cellulose solution is filtered after the deaeration casting film-forming on sheet glass, put into the 5wt% aqueous sulfuric acid then, soak after 5 minutes and take out, water is rinsed well, dry, can obtain soybean protein isolate/cellulose composite membrane, wherein Mierocrystalline cellulose is 6: 4 with proteinic dry weight ratio.Record its tensile strength σ by electronics pulling experiment machine
b, elongation at break ε
bAnd Young's modulus is respectively 83MPa, 7% and 5100MPa, and transmittance is 79% (800nm), finally records the soybean protein isolate number of dropouts less than 25%.Perhaps soybean protein isolate/cellulose solution is carried out wet-spinning, can obtain soybean protein isolate/cellulose composite fiber.
Claims (5)
1. a soybean protein isolate/cellulose mixed solution is made up of the combination solution of soybean protein isolate, Mierocrystalline cellulose and NaOH/ urea; The combination solution of NaOH/ urea is made of the water of 6～8wt%NaOH, 10～14wt% urea and surplus; Wherein, soybean protein isolate and cellulosic weight ratio are: 0.5: 9.5～5: 5, and 4～8wt% of soybean protein isolate and cellulose comprises mixing solutions, all the other are the combination solution of NaOH/ urea.
2. the preparation method of the described soybean protein isolate/cellulose mixed solution of claim 1, soybean protein isolate is scattered in the combination solution that contains 6～8wt%NaOH and 10～14wt% urea, at room temperature stir and obtain 0.5～5wt% soybean protein isolate solution, then the soybean protein isolate solution that makes is pre-chilled to-12～-13 ℃, add Mierocrystalline cellulose, stir and promptly obtain transparent soybean protein isolate/cellulose mixed solution; Wherein by weight, soybean protein isolate and cellulosic ratio are: 0.5: 9.5～5: 5, and 4～8wt% of soybean protein isolate and cellulose comprises mixing solutions, all the other are the combination solution of NaOH/ urea.
3. the preparation method of the described soybean protein isolate/cellulose mixed solution of claim 1, soybean protein isolate is scattered in the combination solution that contains 6～8wt%NaOH and 10～14wt% urea, and at room temperature stirring obtains 10～40wt% soybean protein isolate solution; The combination solution that will contain 6～8wt%NaOH and 10～14wt% urea is pre-chilled to-12～-13 ℃, adds Mierocrystalline cellulose, and stirring obtains cellulose solution; The soybean protein isolate solution and the cellulose solution that make are respectively mixed, promptly obtain transparent soybean protein isolate/cellulose mixed solution; Wherein by weight, soybean protein isolate and cellulosic ratio are: 0.5: 9.5～5: 5, and 4～8wt% of soybean protein isolate and cellulose comprises mixing solutions, all the other are the combination solution of NaOH/ urea.
4. utilize the described soybean protein isolate/cellulose mixed solution of claim 1 to prepare the method for soybean protein isolate/cellulose composite membrane, with soybean protein isolate/cellulose mixed solution curtain coating, through containing the precipitation bath solidification forming of sulfuric acid or sulfuric acid/sodium sulfate, can obtain soybean protein isolate/cellulose composite membrane after the drying, wherein Mierocrystalline cellulose is 9.5: 0.5～5: 5 with the dry weight ratio of soybean protein isolate.
5. utilize the described soybean protein isolate/cellulose mixed solution of claim 1 to prepare the method for soybean protein isolate/cellulose composite fiber, adopt wet-spinning, with soybean protein isolate/cellulose mixed solution spray silk, through containing the precipitation bath solidification forming of sulfuric acid or sulfuric acid/sodium sulfate, can obtain soybean protein isolate/cellulose composite fiber after the drying, wherein Mierocrystalline cellulose is 9.5: 0.5～5: 5 with proteinic dry weight ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101685218A CN101168603A (en) | 2007-11-29 | 2007-11-29 | Soybean separation protein/cellulose mixed solution, and preparation method and use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101685218A CN101168603A (en) | 2007-11-29 | 2007-11-29 | Soybean separation protein/cellulose mixed solution, and preparation method and use thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101168603A true CN101168603A (en) | 2008-04-30 |
Family
ID=39389387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101685218A Pending CN101168603A (en) | 2007-11-29 | 2007-11-29 | Soybean separation protein/cellulose mixed solution, and preparation method and use thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101168603A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660215A (en) * | 2009-09-23 | 2010-03-03 | 陈福库 | Protein and cellulose composite fiber and manufacturing method thereof |
| CN102311647A (en) * | 2010-06-30 | 2012-01-11 | 活泼 | A kind of production technology of vegetable-protein konjak gum composite degradable edible film |
| CN106750575A (en) * | 2016-11-29 | 2017-05-31 | 武汉大学 | Hydroxypropyl chitosan/soybean protein isolate composite membrane and preparation method and application |
| CN108665686A (en) * | 2018-05-15 | 2018-10-16 | 武汉大学 | Intelligent urine wetting monitoring device based on soybean protein isolate/hydroxyethyl cellulose/polypyrrole composite sponge |
-
2007
- 2007-11-29 CN CNA2007101685218A patent/CN101168603A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660215A (en) * | 2009-09-23 | 2010-03-03 | 陈福库 | Protein and cellulose composite fiber and manufacturing method thereof |
| CN102311647A (en) * | 2010-06-30 | 2012-01-11 | 活泼 | A kind of production technology of vegetable-protein konjak gum composite degradable edible film |
| CN102311647B (en) * | 2010-06-30 | 2015-06-17 | 活泼 | Technology for producing vegetable protein and konjac glucomannan composite degradable and edible film |
| CN106750575A (en) * | 2016-11-29 | 2017-05-31 | 武汉大学 | Hydroxypropyl chitosan/soybean protein isolate composite membrane and preparation method and application |
| CN106750575B (en) * | 2016-11-29 | 2019-05-24 | 武汉大学 | Hydroxypropyl chitosan/soybean protein isolate composite membrane and the preparation method and application thereof |
| CN108665686A (en) * | 2018-05-15 | 2018-10-16 | 武汉大学 | Intelligent urine wetting monitoring device based on soybean protein isolate/hydroxyethyl cellulose/polypyrrole composite sponge |
| CN108665686B (en) * | 2018-05-15 | 2020-08-07 | 武汉大学 | Intelligent urine wetting monitoring device based on soy protein isolate/hydroxyethyl cellulose/polypyrrole composite sponge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101037479B (en) | Method for dissolving cellulos | |
| CN107177040B (en) | A kind of cellulose solution and its dissolving method and application | |
| CN1285644C (en) | Solvent for dissolving cellulose and its preparation method and use | |
| CN102304238B (en) | Renewable cellulose composite film and preparation method thereof | |
| WO2007121609A1 (en) | The use of aqueous solution of sodium-hydroxide and sulfourea in producing cellulose products in pilot-scale | |
| CN1687137A (en) | New technique for preparing cellulose carbate through urea embedding method | |
| CN101274988A (en) | Industrial method for preparing regenerated cellulose film | |
| CN101654522A (en) | Anti-degradable solvent for dissolving cellulose and preparation method of spinning dope thereof | |
| CN103319738B (en) | The method that agricultural crop straw prepares regenerated cellulose composite film | |
| CN101168602B (en) | Corn protein/cellulose mixed solution, and preparation method and use thereof | |
| CN104262642A (en) | Method for dissolving cellulose in aqueous solution of NaOH/thiourea at normal temperature | |
| CN1252163C (en) | Lithium hydrate and carbamide composition solvent for dissolving cellulous fiber and its use | |
| CN101168603A (en) | Soybean separation protein/cellulose mixed solution, and preparation method and use thereof | |
| CN1112396C (en) | Cellulose film preparing method | |
| CN103556255A (en) | Bamboo charcoal cellulosic fiber and preparation method thereof | |
| CN101130605A (en) | Solvent composition for solubilizing cellulose | |
| CN107501615A (en) | A kind of preparation method of high strength regenerative cellulose film | |
| CN101275369A (en) | Cellulose-dissolved dissolvant and industrial method thereof | |
| CN1193061C (en) | Solvent composite and preparation method and use thereof | |
| CN1235962C (en) | Solvent for solving cellulose and its application | |
| CN101768790B (en) | Sheath core composite fibre of chitin and cellulose and preparation method thereof | |
| CN108034205A (en) | A kind of preparation method of peanut shell fibre modification polylactic acid | |
| CN1289587C (en) | Cellosolve and its use | |
| CN1229214C (en) | Process for preparing regenerated cellulose films and wires | |
| CN1125845C (en) | Solvent composition and its use |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20080430 |