CN103603081B - A kind of Graphene strengthens the preparation method of polyalcohol stephanoporate sponge fiber - Google Patents
A kind of Graphene strengthens the preparation method of polyalcohol stephanoporate sponge fiber Download PDFInfo
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- CN103603081B CN103603081B CN201310437548.8A CN201310437548A CN103603081B CN 103603081 B CN103603081 B CN 103603081B CN 201310437548 A CN201310437548 A CN 201310437548A CN 103603081 B CN103603081 B CN 103603081B
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Abstract
The invention provides the preparation method that a kind of Graphene strengthens polyalcohol stephanoporate sponge fiber, be characterized in: certain density graphene oxide solution is carried out ultrasonic process, obtain finely dispersed graphene oxide solution, again polymer is dissolved in a solvent, obtain certain density high polymeric solution, again scattered graphene solution is joined in polymer solution, add while stirring, obtain graphene-polymer co-blended spinning solution, utilize wet spinning equipment, co-blended spinning solution is injected to fibroblast in coagulating bath by spinning head, after washing, reduction, again after washing, rapidly the fiber of hygrometric state is carried out freeze drying or surpasses closing on drying, obtain Graphene and strengthen polyalcohol stephanoporate sponge fiber.Technique is simple, and cost is low, and be applicable to large-scale production, fiber has the advantages such as intensity is high, antistatic property good, elasticity is high, density is little, specific area is large, and can be applicable to field of textiles prepares warmth retention property fabric, also can be used for field of environment protection and carries out water treatment etc.
Description
Technical field
The invention belongs to technical field of composite preparation, relate to a kind of preparation method of fiber, is the preparation method that a kind of Graphene strengthens polyalcohol stephanoporate sponge fiber specifically.
Background technology
Graphene is a kind of New Type of Carbon nanometer light material, has unique monoatomic layer two dimensional crystal structure, has just enjoyed the extensive concern of scientific circles and industrial quarters from 2004 by the A.K.Geim of Britain since being found.This material is extensively studied due to the characteristic such as intensity, electrical conductivity, thermal conductivity of its superelevation.Take native graphite as raw material, the Graphene produced by various method has been widely used in the preparation of various composite, and Graphene can increase mechanical property, the electric conductivity and heat conductivility etc. of composite.But up to now, Graphene strengthens the research (CN103046151A of composite fibre, CN102828267A, CN102586951A, CN102926020A, CN102534837A) be only limitted to graphene solution with other can be blended with it polymer mix, graphene-polymer composite fibre is obtained by in-situ polymerization and traditional wet method, fusion method or dry spinning, and in these fibers most study be its fracture strength, electric conductivity etc., not yet report has other characteristics, the fiber of form studies.
How to design the preparation method of a kind of high-strength graphite alkene-polyalcohol stephanoporate sponge fiber; make it have the advantages such as intensity is high, antistatic property good, elasticity is high, density is little, specific area is large; field of textiles and field of environment protection can be widely used in; and technique is simple, cost is low, this is technical task urgently to be resolved hurrily at present.
Summary of the invention
The present invention is for solving prior art Problems existing; a kind of Graphene is provided to strengthen the preparation method of polyalcohol stephanoporate sponge fiber; the fiber produced has the advantage that intensity is high, antistatic property good, elasticity is high, density is little, specific area is large; can be widely used in field of textiles and field of environment protection, and technique is simple, cost is low.
The object of the invention is to be achieved through the following technical solutions: a kind of Graphene strengthens the preparation method of polyalcohol stephanoporate sponge fiber, it is characterized in that: comprise the following steps:
(1), under room temperature condition, by certain density graphene oxide solution ultrasonic process 0.5-1h in the ultra sonic bath of 1-50Hz, finely dispersed graphite oxide weak solution is obtained;
(2) by a certain amount of polymer dissolution in corresponding solvent, obtain certain density polymer solution;
(3) the finely dispersed graphene oxide solution in step (1) is joined in the polymer solution in step (2), slowly add while stirring, continue after the entry to be completely to stir 4-8h, obtain the graphene oxide-polyblend spinning solution mixed;
(4) graphene oxide-polyblend spinning solution is carried out standing and defoaming 8-12h, proceed to wet spinning equipment, spinning solution is injected to solidificating fiber in coagulating bath by the spinning head utilizing aperture to be 0.07-0.1mm, after washing, obtain intermediate product hygrometric state graphene oxide-polyblend fiber;
(5) choose the reductant that mass concentration is 1%-50%, the ratio being 1:10-1:50 according to bath raio takes hygrometric state graphene oxide-polyblend fiber, reduces 0.5-2h under 30-95 DEG C of condition, obtains hygrometric state graphene-polymer blended fiber after washing;
(6) hygrometric state graphene-polymer blended fiber is carried out freeze drying or supercritical drying, obtain graphene-polymer mandruka fiber.
Improvement to technique scheme: described polymer is a kind of or multiple in polyacrylonitrile, regenerated cellulose or sodium alginate.
Further improvement to technique scheme: described solvent and coagulating bath all traditionally prepare polyacrylonitrile fibre, regenerated celulose fibre, sodium alginate fiber time solvent used and coagulating bath select.
Further improvement to technique scheme: described reductant is hydrazine, methyl hydrazine, phenylhydrazine, NaOH, KOH, ammoniacal liquor or hydroiodic acid.
The present invention compared with prior art has many advantages and good effect:
(1) graphene oxide adopted is prepared by native graphite, raw material sources extensively, to be easy to get and cheap.
(2) the polyalcohol stephanoporate sponge fiber adopting the method for spinning-reduction-freeze drying or supercritical drying to prepare Graphene to strengthen, the fiber prepared by the method has that density is low, specific area greatly, the feature of good springiness.
(3) the mandruka fiber prepared by is except the feature with original copolymer, and the introducing of Graphene makes it have the advantages such as high-strength, antistatic again.
(4) the simple aspect of preparation process, is easy to large-scale production.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described further.
A kind of Graphene of the present invention strengthen preparation method's detailed description of the invention of polyalcohol stephanoporate sponge fiber, comprise the following steps:
(1), under room temperature condition, by certain density graphene oxide solution ultrasonic process 0.5-1h in the ultra sonic bath of 1-50Hz, finely dispersed graphite oxide weak solution is obtained.By a certain amount of polymer dissolution in corresponding solvent, obtain certain density polymer solution.Finely dispersed graphene oxide dispersion soln is added in polymer solution, slowly adds while stirring, continue after the entry to be completely to stir 4-8h, obtain the graphene oxide-polyblend spinning solution mixed.
(2) graphene oxide-polyblend spinning solution is carried out standing and defoaming 8-12h, proceed to wet spinning equipment, spinning solution is injected to solidificating fiber in coagulating bath by the spinning head utilizing aperture to be 0.07-0.1mm, after washing, obtain intermediate product hygrometric state graphene oxide-polyblend fiber.
(3) choose the reductant that mass concentration is 1-50%, the ratio being 1:10-1:50 according to bath raio takes hygrometric state graphene oxide-polyblend fiber, reduces 0.5-2h under 30-95 DEG C of condition, obtains hygrometric state graphene-polymer blended fiber after washing.Hygrometric state graphene-polymer blended fiber is carried out freeze drying or supercritical drying, obtains graphene-polymer mandruka fiber.
(4) polymer used in the present invention is that polyacrylonitrile, regenerated cellulose, sodium alginate etc. can carry out wet spinning and can carry out one in blended polymer or multiple with graphene oxide; Solvent used and coagulating bath all traditionally prepare polyacrylonitrile fibre, regenerated celulose fibre and sodium alginate fiber time solvent used and coagulating bath select; Reductant used is hydrazine, methyl hydrazine, phenylhydrazine, NaOH, KOH, ammoniacal liquor or hydroiodic acid etc.
Specific embodiments of the invention are as follows:
Embodiment 1
(1), under room temperature condition, be graphene oxide solution ultrasonic process 0.5h in the ultra sonic bath of 1Hz of 2.5% by mass concentration, obtain finely dispersed graphite oxide weak solution.Again by a certain amount of regenerated cellulose pulp through dipping, squeezing, pulverize, experienced, yellow, obtain regenerated fiber cellulose solution after dissolving, wherein admittedly contain thing in spinning solution: 6.81%, containing alkali: 4.56%, viscosity: 41s, degree of ripeness: 8ml(10%NH4Cl), finely dispersed graphene oxide solution is added in regenerated fiber cellulose solution, the mass ratio of Graphene in mixed solution is 5%, slowly add while stirring, continue after the entry to be completely to stir 4h, obtain the graphene oxide-regenerated cellulose co-blended spinning solution mixed.
(2) graphene oxide-regenerated cellulose co-blended spinning solution is carried out standing and defoaming 8h, proceed to wet spinning equipment, spinning solution is injected to solidificating fiber in coagulating bath by the spinning head utilizing aperture to be 0.09mm, wherein the consisting of of coagulating bath: sulfuric acid concentration is 130g/L, and sodium sulfate concentration is 330g/L, and zinc sulfate concentration is 11.5g/L, temperature is 50 DEG C, fiber after coagulation forming, then is washed, and obtains intermediate product hygrometric state graphene oxide-regenerated cellulose blended fiber.
(3) choose the hydrazine hydrate reduction agent that mass concentration is 50%, the ratio being 1:50 according to bath raio takes hygrometric state graphene oxide-regenerated cellulose blended fiber, and reductase 12 h under 30 DEG C of conditions obtains hygrometric state Graphene-regenerated cellulose blended fiber after washing.By hygrometric state Graphene-regenerated cellulose blended fiber in-80 DEG C of freeze formings, and carry out freeze drying, obtain Graphene-regenerated cellulose mandruka fiber.
(4) Graphene-regenerated cellulose mandruka fiber of obtaining of this method, fiber number is 4.44dtex, and dry break strength is 2.9cN/dtex, and mass specific resistance is 8.3 × 10
6Ω g/cm
2, density is 0.08g/cm
3.
Embodiment 2
(1), under room temperature condition, be graphene oxide solution ultrasonic process 0.8h in the ultra sonic bath of 25Hz of 3% by mass concentration, obtain finely dispersed graphite oxide weak solution.A certain amount of polyacrylonitrile is dissolved in certain density DMF solution, obtains polyacrylonitrile solution.Finely dispersed graphene oxide solution is added in polyacrylonitrile solution, wherein the content of graphene oxide in mixed solution is 8%, slowly add while stirring, continue after the entry to be completely to stir 5h, obtain the graphene oxide-polyacrylonitrile blended spinning solution mixed.
(2) graphene oxide-polyacrylonitrile blended spinning solution is carried out standing and defoaming 9h, proceed to wet spinning equipment, aperture is utilized spinning solution to be injected to solidificating fiber in coagulating bath for 0.08mm spinning head, coagulating bath is water and N, the mixed solution of N-dimethylacetylamide (DMAc), through washing after fiberizing, obtain intermediate product hygrometric state graphene oxide-polyacrylonitrile blended fiber.
(3) choose mass concentration be 8% methyl hydrazine be reductant, the ratio being 1:20 according to bath raio takes hygrometric state graphene oxide-polyacrylonitrile blended fiber, reduces 0.8h under 50 DEG C of conditions, obtains hygrometric state Graphene-polyacrylonitrile blended fiber after washing.Hygrometric state Graphene-polyacrylonitrile blended fiber is carried out freeze drying or supercritical drying in-80 DEG C, obtains Graphene-polyacrylonitrile mandruka fiber.
(4) Graphene-polyacrylonitrile mandruka fiber of obtaining of this method, fiber number is 4.44dtex, and dry break strength is 5.6cN/dtex, and mass specific resistance is 1.2 × 10
6Ω g/cm
2, density is 0.08g/cm
3.
Embodiment 3
(1), under room temperature condition, be graphene oxide solution ultrasonic process 1h in the ultra sonic bath of 50Hz of 4% by mass concentration, obtain finely dispersed graphite oxide weak solution.A certain amount of sodium alginate is dissolved in the water, obtains sodium alginate soln.Finely dispersed graphene oxide solution is added in sodium alginate soln, wherein the content of graphene oxide in mixed solution is 10%, slowly add while stirring, continue after the entry to be completely to stir 6h, obtain the graphene oxide-sodium alginate co-blended spinning solution mixed.
(2) graphene oxide-sodium alginate co-blended spinning solution is carried out standing and defoaming 10h, proceed to wet spinning equipment, utilize spinning head that spinning solution is injected to solidificating fiber in coagulating bath, coagulating bath to be mass concentration be 3.5% calcium chloride solution, through washing after fiberizing, obtain intermediate product hygrometric state graphene oxide-sodium alginate blended fiber.
(3) choose mass concentration be 20% methyl hydrazine be reductant, the ratio being 1:10 according to bath raio takes hygrometric state graphene oxide-sodium alginate blended fiber, reduces 0.5h under 95 DEG C of conditions, obtains hygrometric state Graphene-sodium alginate blended fiber after washing.Hygrometric state Graphene-sodium alginate blended fiber is carried out freeze drying or supercritical drying in-80 DEG C, obtains Graphene-sodium alginate mandruka fiber.
(4) Graphene-sodium alginate mandruka fiber of obtaining of this method, fiber number is 4.44dtex, and dry break strength is 3.8cN/dtex, and mass specific resistance is 3.3 × 10
5Ω g/cm
2, density is 0.07g/cm
3.
The polyalcohol stephanoporate sponge composite fibre that Graphene prepared by the present invention strengthens; adding by Graphene; both achieve the larger raising of fiber in mechanics, electric conductivity and thermal conductivity, turn improved the specific area of fiber, expand the application of fiber at field of environment protection.
Above embodiment only in order to technical scheme of the present invention to be described, but not is limited; Although with reference to previous embodiment to invention has been detailed description, for the person of ordinary skill of the art, still can modify to the technical scheme described in previous embodiment, or equivalent replacement is carried out to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of the present invention's technical scheme required for protection.
Claims (1)
1. Graphene strengthens a preparation method for polyalcohol stephanoporate sponge fiber, it is characterized in that: comprise the following steps:
(1) under room temperature condition, by mass concentration be the graphene oxide solution of 3% at the low frequency process 0.8h of 25Hz, obtain finely dispersed graphite oxide weak solution; A certain amount of polyacrylonitrile is dissolved in certain density DMF solution, obtains polyacrylonitrile solution; Finely dispersed graphene oxide solution is added in polyacrylonitrile solution, wherein the content of graphene oxide in mixed solution is 8%, slowly add while stirring, continue after the entry to be completely to stir 5h, obtain the graphene oxide-polyacrylonitrile blended spinning solution mixed;
(2) graphene oxide-polyacrylonitrile blended spinning solution is carried out standing and defoaming 9h, proceed to wet spinning equipment, aperture is utilized spinning solution to be injected to solidificating fiber in coagulating bath for 0.08mm spinning head, coagulating bath is water and N, the mixed solution of N-dimethylacetylamide, through washing after fiberizing, obtain intermediate product hygrometric state graphene oxide-polyacrylonitrile blended fiber;
(3) choose mass concentration be 8% methyl hydrazine be reductant, the ratio being 1:20 according to bath raio takes hygrometric state graphene oxide-polyacrylonitrile blended fiber, 0.8h is reduced under 50 DEG C of conditions, hygrometric state Graphene-polyacrylonitrile blended fiber is obtained after washing, hygrometric state Graphene-polyacrylonitrile blended fiber is carried out supercritical drying, obtains Graphene-polyacrylonitrile mandruka fiber;
(4) Graphene-polyacrylonitrile mandruka fiber of obtaining of this method, fiber number is 4.44dtex, and dry break strength is 5.6cN/dtex, and mass specific resistance is 1.2 × 10
6Ω g/cm
2, density is 0.08g/cm
3.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102586946A (en) * | 2012-01-05 | 2012-07-18 | 浙江大学 | High-strength graphene ordered porous fibers and preparation method thereof |
| CN103046151A (en) * | 2012-12-18 | 2013-04-17 | 青岛大学 | Graphene blend regenerated cellulose fiber and preparation method thereof |
-
2013
- 2013-09-24 CN CN201310437548.8A patent/CN103603081B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102586946A (en) * | 2012-01-05 | 2012-07-18 | 浙江大学 | High-strength graphene ordered porous fibers and preparation method thereof |
| CN103046151A (en) * | 2012-12-18 | 2013-04-17 | 青岛大学 | Graphene blend regenerated cellulose fiber and preparation method thereof |
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