CN101153068A - Functionalization polyacrylonitrile resin, production and application of the same in fibre - Google Patents
Functionalization polyacrylonitrile resin, production and application of the same in fibre Download PDFInfo
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Abstract
The present invention relates to functional polyacrylonitrile resin, preparation and the application in fiber. The main chain of the resin is grafted with the guanidine salt oligomer of the following structure; wherein, n is equal to 2 to 10; m is equal to 4 to 30; I is equal to 1 to 2; X is acrylamide, methyl acryl, itaconic acyl, maleoyl, acrylic ester or methyl acrylic ester; Y is H or X; Z is Cl<->, NO3<->, HCO3<->, or H2PO4<->. The preparation method is solution copolymerization or water-phase suspension copolymerization. The application is that the functional polyacrylonitrile resin is blended with the ordinary polyacrylonitrile according to a ratio; the spinning solution can be prepared by defoaming; the functional polyacrylonitrile fiber can be prepared through spinning technology of spinning formation, washing, stretching, drying and compacting. The present invention not only maintains the original performances of polyacrylonitrile, but also has good antibacterial, anti-static and dyeing performances of acidic dyes. The present invention can be blended with the ordinary polyacrylonitrile for spinning; the polyacrylonitrile fiber has multi functionality.
Description
Technical field
The invention belongs to polyacrylonitrile resin and preparation and Application Areas, particularly relate to functionalization polyacrylonitrile resin and preparation and application.
Background technology
The polyacrylonitrile fibre quality is fluffy, soft, density is little, thermal property is good, rebound resilience is high, and the title of " lanital " is arranged, and is the best surrogate of woolen; Simultaneously, polyacrylonitrile fibre also has excellent photostabilization, weathering resistance, radiation resistance and erosion resistance, and the anti-mould and anti-moth performance.Thereby be widely used in dress ornament, decoration and industrial circle.Its output occupies the 4th in synthon at present.
Along with the raising of The development in society and economy and people's living standard, people have higher requirement to the comfortableness and the security of clothes.Though polyacrylonitrile fibre has certain anti-mould and anti-moth performance, does not have germ resistance.Owing to polyacrylonitrile fibre inherent hydrophobicity, its resistivity is up to 10 simultaneously
14Ω cm belongs to insulating material, and static is serious, causes the easily contamination in use of its fibre product, dust suction and generation static, and wearing comfort is relatively poor.In addition, because the performance and the wool of polyacrylonitrile fibre exactly like,, there is the polyacrylonitrile fibre of significant proportion to be used to knit with wool blended, mixed in order to improve the wearing comfort of polyacrylonitrile fibre.Wool should adopt matching stain to dye, and conventional polyacrylonitrile fibre can not dye with matching stain, and its reason is that most employing of conventional polyacrylonitrile resin has the methylpropene sodium sulfonate of good cationic dye capable of dyeing as the 3rd monomer.Blending, the mixed fabric of knitting force polyacrylonitrile fibre and wool to carry out " with bathing " dyeing, this just requires polyacrylonitrile fibre to have acid-dyeable, promptly adopts the 3rd monomer that matching stain is had a good dyeability to prepare polyacrylonitrile resin (CN17307023A).
In order further to widen the range of application of polyacrylonitrile fibre, improve its use properties, people have carried out being intended in a large number improve the research and development of polyacrylonitrile fibre performance.The functional modification of polyacrylonitrile fibre adopts physically modified (properties-correcting agent combines with physical mode of action with fibrous matrix) and two kinds of methods of chemical modification (properties-correcting agent combines in the chemical bonding mode with fibrous matrix) usually.Though wherein physically modified has the simple advantage of enforcement, has properties-correcting agent stripping problem usually, adds the toxicity of some properties-correcting agent self, causes the persistence of prepared functional fiber poor, poor stability; Chemical modification method has then overcome above-mentioned defective, has safety, functional persistent advantage.Chemical modification method mainly contains three kinds of embodiments: modification by copolymerization, fiber surface grafting and fiber surface arrangement, wherein the modification by copolymerization method is simple, and can improve the multiple performance of fiber simultaneously.
Can adopt the method for fiber surface chemical reaction and modification by copolymerization to prepare antibacterial polyacrylonitrile fiber and fabric.As adopt chemical reaction complex copper ion and alkali green on polyacrylonitrile fibre, thus make fabric have germ resistance (patent CN87100231B), but its color and luster is green, has limited its range of application; Patent CN1152998C discloses and has a kind ofly prepared the method for broad-spectrum antimicrobial fiber by the polyacrylonitrile fibre chemical modification, comprises that fiber floods in hydrazine hydrate solution, process such as amidrazone structurizing and alkaline hydrolysis.Because antibacterial fiber is to obtain by the molecular structure that changes polyacrylonitrile fibre, so be difficult to keep original fluffy, the soft feel of polyacrylonitrile fibre; Patent CN1807712A discloses a kind of preparation method of antibacterial polyacrylonitrile fiber: with 3-allyl group-5,5-dimethyl hydantoin and acrylonitrile compolymer prepare multipolymer, then multipolymer and conventional polyacrylonitrile blended spinning are prepared modified acrylic fibre, at last modified fibre is carried out the halogenation aftertreatment and obtain antibacterial polyacrylonitrile fiber.
Also can adopt inorganic, metal oxide to prepare the polyacrylonitrile fibre of antibiotic, antistatic or moisture absorption as properties-correcting agent.A kind of dispersion liquid that adds silicon metal hydrochlorate or Pure Silicon Metal aluminate fine powder (particle diameter 0.5-10 μ m) in the polyacrylonitrile spinning slurry is disclosed as US6528162B2, the method of co-blended spinning then, the fiber of preparation deodorizing, antibiotic/antibacterial, suction/absorbing sweat.Because what add is inorganic particulate, the easy orifice that takes place blocks in spinning process, and spinning is difficulty relatively, and the while is owing to inorganic particulate and fiber base material is incompatible, can cause fibre strength decline and inorganic particulate that stripping in use takes place, cause poor durability, safe differential; Patent CN1203219C discloses a kind of method of improved interpolation inorganic particulate, promptly adopt the method that (as precipitation bath, pre-heating bath, heat stretching bath etc.) add ZnOw slurry of spinning on the journey, prepare fibers such as antistatic, antibiotic, antiultraviolet modified acrylic fibers, viscose, polyvinyl at wet-spinning.Avoid orifice to block and fibrous mechanical property decline problem thus, but still had the stripping property problem.
Utilize the good human body affinity of natural macromolecular and derivative thereof, and distinctive sterilizing and itch-relieving effect, being introduced into to polyacrylonitrile fibre by fiber aftertreatment or co-blended spinning, also is a kind of effective means of improving wearing comfort, giving its sterilizing and itch-relieving function.In patent CN1168861C, the water-soluble bloated acrylic fiber of wet spinning moulding is immersed in the mixing solutions of chitosan acidic aqueous solution or itself and quaternary ammonium salt, compacting by drying has prepared the polyacrylonitrile fibre with anti-microbial activity then; Patent CN1099477C adopts the method with chitin and derivative and various synthon (cellulose acetate, viscose fiber, acrylic fiber) co-blended spinning, preparation has strong germicidal action, and nontoxic, non-stimulated, the fiber of biocompatibility, comfortableness, good permeability; Patent CN1298902C adopts the method with vegetable-protein and polyacrylonitrile blended spinning, improves water absorbability, dyeability and the static resistance of polyacrylonitrile fibre, improves its comfortableness; Patent CN1285780C adopts sodium alginate and polyacrylonitrile blended spinning, improves the human body affinity and the dyeability of polyacrylonitrile fibre, and the effect of giving its anti-bacterial, anti-itching.Above-mentioned with natural macromolecular and derivative thereof as the method for properties-correcting agent, the functional fiber of acquisition is being had greatly improved aspect security and the weather resistance.But owing to still lack good consistency between natural macromolecular and derivative modified dose and the polyacrylonitrile, the intensity of modified fibre has decline by a relatively large margin.
Summary of the invention
The objective of the invention is to remedy the deficiencies in the prior art and defective, a kind of functionalization polyacrylonitrile resin that is grafted with the guanidinesalt oligopolymer is provided.
Another object of the present invention provides a kind of preparation method of above-mentioned functions polyacrylonitrile resin.
Of the present invention also have a purpose to provide the application of a kind of above-mentioned functions polyacrylonitrile resin in preparation functionalization polyacrylonitrile fiber.
Functionalization polyacrylonitrile resin of the present invention is grafted with the guanidinesalt oligopolymer of following structure on its main chain:
Wherein, n=2-10, m=4-30, l=1-2; X is acryl, methacryloyl, clothing health acyl group, maleoyl, propylene ester group or methacrylic ester group; Y is H or X; Z is Cl
-, NO
3 -, HCO
3 -Or H
2PO
4 -
The preparation method of functionalization polyacrylonitrile resin of the present invention comprises the following steps:
(1) solution copolymerization is legal
Guanidinesalt oligopolymer, acrylonitrile monemer and chain-transfer agent join in dimethyl sulfoxide (DMSO) (DMSO) solvent, stir down at 40 ℃ solid is dissolved fully, behind the letting nitrogen in and deoxidizing, be warming up to 50 ℃-75 ℃, add initiator, reacted collecting function polyacrylonitrile resin from reaction product 1-10 hour;
(2) or the aqueous-phase suspending copolymerization process
Add guanidinesalt oligopolymer, acrylonitrile monemer and chain-transfer agent in water, stirring makes it dissolving and mixes, and behind the letting nitrogen in and deoxidizing, is warming up to 50 ℃-75 ℃, adds initiator, reacts collecting function polyacrylonitrile resin from reaction product 1-10 hour.
Described guanidinesalt oligopolymer, molecular weight ranges is at 300-5000, and feature structure is as follows:
Wherein, X is acryl, methacryloyl, clothing health acyl group, maleoyl, propylene ester group or methacrylic ester group; Y is H or X; Z is CI
-, NO
3 -, HCO
3 -Or H
2PO
4 -
Described chain-transfer agent is a kind of of mercaptoethanol, mercaprol, Thiovanic acid, thiohydracrylic acid, lauryl mercaptan, Virahol;
Described initiator is one or more mixtures of redox systems such as ammonium persulphate, Potassium Persulphate, Diisopropyl azodicarboxylate, benzoyl peroxide, sodium chlorate-S-WAT, sodium chlorate-sodium bisulfite, ammonium persulphate-S-WAT, Potassium Persulphate-S-WAT, ammonium persulfate-sodium bisulfite, Potassium Persulphate-sodium bisulfite, ammonium persulphate-Tetramethyl Ethylene Diamine, Potassium Persulphate-Tetramethyl Ethylene Diamine.
The dimethyl sulfoxide (DMSO) (DMSO) in the described step (1) or the weight percent of the water in the step (2) are that the total amount with DMSO or water and guanidinesalt oligopolymer and acrylonitrile monemer is a benchmark, the weight percent of DMSO or water is 50%-90%, and preferable amount is 65-75wt.%;
The weight percent of described guanidinesalt oligopolymer is 5%-35%, and preferable amount is 10-15wt.%;
The weight percent of described acrylonitrile monemer is 65%-95%, and preferable amount is 85-90wt%;
The weight percent of described chain-transfer agent is 0%-0.5%;
The weight percent of described initiator is 0.02%-5%, and preferable amount is 0.2-1.0wt%;
The weight percent of described guanidinesalt oligopolymer, acrylonitrile monemer, chain-transfer agent and initiator is a benchmark with the total amount of component guanidinesalt oligopolymer and acrylonitrile monemer all.
The application of functionalization polyacrylonitrile resin of the present invention in polyacrylonitrile fibre, be with certain proportion and the blend of plain polypropylene nitrile with functionalization polyacrylonitrile resin, deaeration, the preparation spinning solution, through the spinning technique of spinning technique, washing, stretching, compacting by drying, be prepared into the functionalization polyacrylonitrile fiber.
Described plain polypropylene nitrile is that acrylonitrile homopolymer or acrylonitrile content are at the multipolymer more than 85%;
Described certain proportion is 1: 1-1: 10 (w/w), preferred proportion are 1: 4-1: 8;
Described and the blend of plain polypropylene nitrile are after functionalization polyacrylonitrile resin solution that copolymerization obtains removes monomer, with its with the DMSO solution blending of plain polypropylene nitrile evenly and deaeration, the acquisition spinning solution; After functionalization polyacrylonitrile resin that the aqueous-phase suspending copolymerization obtains and plain polypropylene nitrile mix, be dissolved in DMF or 50%-58% sodium thiocyanate water solution; Or prepare the solution of functionalization polyacrylonitrile resin and plain polypropylene nitrile respectively, then with two kinds of solution blendings.
Described spinning technique is to adopt wet method, dry method or frozen glue to spin solvent spinning technology.
The present invention adopts the guanidinesalt oligopolymer of band activity double key, by itself and acrylonitrile compolymer just being obtained being grafted with the functionalization polyacrylonitrile resin of guanidinesalt oligopolymer.With respect to adopting the small molecules comonomer, this has not only improved modification efficiency, makes the polyacrylonitrile resin that obtains under same copolymerization molar ratio condition have the more function group, gives its good antibiotic, antistatic and acid dyeing; And the functionalization polyacrylonitrile resin that obtains mainly is distributed on side chain rather than the main chain owing to its modified compound, so kept the original performance of polyacrylonitrile better.
With functionalization polyacrylonitrile resin of the present invention and conventional polyacrylonitrile blended spinning, just can give the polyacrylonitrile fibre multi-functional, i.e. germ resistance, static resistance and acid dyeing by simply.
In addition, functionalization polyacrylonitrile resin of the present invention and conventional polyacrylonitrile have very excellent consistency.Therefore, both are with the certain proportion co-blended spinning, can obtain that various aspects of performance such as spinning property, functional (comprising antibiotic, antistatic, acid dyeing), physical and mechanical properties are good, the isostatic polyacrylonitrile fibre.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Among each embodiment, the Determination on content of guanidinesalt oligopolymer is to utilize the relative intensity of guanidine radicals characteristic peak and itrile group characteristic peak on the infrared spectrum in the functionalization polyacrylonitrile, calculates according to langbobier law; Anti-microbial property adopts vibration bottle method to measure.Dye uptake adopts following method to measure: adopt acid blue dye, the preparation dye strength is that 0.02mg/mL, pH are the dye liquor (adding an amount of levelling agent) of 4.5-5.5 (acetic acid adjusting).In the dye liquor (bath raio is 1/100) with 40 ℃ of immersions after the garnetting of 1g fiber, insulation 20min.Rise to 100 ℃ by 1 ℃/min, constant temperature boils and dyes 1h.Naturally cool to room temperature, washing, measure the dyeing optical density(OD) and the optical density(OD) of raffinate (obtaining) afterwards that dyes of stoste before respectively, calculate dye uptake by following formula then by residue dye liquor and washing lotion merging with spectrophotometer:
Dye uptake=(dye liquor optical density(OD)-raffinate optical density(OD))/dye liquor optical density(OD) * 100%
Embodiment 1
In the reactor that has reflux exchanger, electric mixer and electric heating temperature controller, the methacrylic ester (molecular weight 1000) and the 1300g DMSO that add the poly-hexanediamine hydrochloric acid biguanides of 39g successively, after the stirring and dissolving, add the 351g vinyl cyanide, progressively be warming up to 72 ℃.Be added dropwise to then with DMSO dissolved Diisopropyl azodicarboxylate (2.0g), reacted 4 hours.Reaction finishes the back decompression and sloughs unreacted monomer, obtains the DMSO solution of functionalization polyacrylonitrile resin.The solid content of solution is 19.8%, and the content of guanidinesalt oligopolymer is 5.6% in the functionalization polyacrylonitrile.
After the ratio blend evenly with 1: 4.5 (weight), deaeration prepares spinning solution with this solution and conventional polyacrylonitrile/DMSO solution (solid content is 20%), through spinning technique, washing, stretching, compacting by drying spinning technique, and preparation fiber (1#).
With solid content is conventional polyacrylonitrile/DMSO solution of 20%, prepares conventional fibre by same spinning technique, in contrast sample (1 ' #).
Embodiment 2
In the reactor that has reflux exchanger, electric mixer and electric heating temperature controller, add the methacrylic ester (molecular weight 700) and the 1300g water of 56g polyethyene diamine Guanidinium hydrochloride successively, after the stirring and dissolving, add the 500g vinyl cyanide, progressively be warming up to 72 ℃.Be added dropwise to then with water-soluble Potassium Persulphate (3.0g), reacted 4 hours.Reaction finishes postcooling, filtration, washing.80 ℃ of vacuum-dryings of multipolymer white powder with obtaining obtain functionalization polyacrylonitrile resin.The transformation efficiency of reaction is 68.5%, and the content of guanidinesalt oligopolymer is 6.2% in the functionalization polyacrylonitrile resin.
Get the conventional polyacrylonitrile powder mixes of 160g functionalization polyacrylonitrile resin and 800g evenly after, be dissolved in 7kg concentration jointly and be in 50% the NaSCN aqueous solution, make solid content and be 12% homogeneous solution, deaeration, the preparation spinning solution, through spinning technique, washing, stretching, compacting by drying spinning technique, preparation fiber (2#).
With solid content is the conventional polyacrylonitrile/NaSCN aqueous solution (50%) solution of 12%, prepares conventional fibre by same spinning technique, in contrast sample (2 ' #).
Embodiment 3
In the reactor that has reflux exchanger, electric mixer and electric heating temperature controller, add the acrylate (molecular weight 2000) and the 1300g water of the poly-hexanediamine Guanidinium nitrate of 39g successively, after the stirring and dissolving, add the 221g vinyl cyanide, progressively be warming up to 72 ℃.Be added dropwise to then with water-soluble Potassium Persulphate (1.3g), reacted 4 hours.Reaction finishes after cooling, filter, washing, 80 ℃ of vacuum-dryings, obtain functionalization polyacrylonitrile resin.The transformation efficiency of assaying reaction is 57.6%, and the content of guanidinesalt oligopolymer is 8.8% in the functionalization polyacrylonitrile resin.
Get the conventional polyacrylonitrile powder mixes of 150g functionalization polyacrylonitrile resin and 1200g evenly after, be dissolved among the 4.1kgDMF jointly, make solid content and be 30% homogeneous solution, deaeration, the preparation spinning solution, through spinning technique, washing, stretching, compacting by drying spinning technique, preparation fiber (3#).
With solid content is conventional polyacrylonitrile/DMF solution of 31%, prepares conventional fibre by same spinning technique, in contrast sample (3 ' #).
Embodiment 4
Get among the 300g embodiment 3 functionalization polyacrylonitrile resin that obtains with 900g plain polypropylene nitrile powder mixes even after, be dissolved in jointly among the 2.8kg DMF, make solid content and be 30% homogeneous solution, deaeration, the preparation spinning solution, through spinning technique, washing, stretching, compacting by drying spinning technique, preparation fiber (4#).
The performance of above embodiment and the resulting fiber sample of Comparative Examples sees Table 1.
The performance test of the fiber sample of table 1 embodiment and Comparative Examples gained
| Sample | Intensity cN/dtex | Extension at break (%) | Dye uptake (%) | Bacteriostasis rate (%) | The bacteriostasis rate after 20 times of soaping | Surface resistivity (relative humidity 70%) | ||
| Gold-coloured staphylococci | Intestinal bacteria | Gold-coloured staphylococci | Intestinal bacteria | |||||
| 1# | 2.9 | 30 | 86 | 99 | 98 | 95 | 95 | 8.5×10 10 |
| 1’# | 3.0 | 25 | -- | -- | -- | -- | -- | 1.6×10 14 |
| 2# | 2.4 | 28 | 82 | 95 | 93 | 93 | 93 | 1.3×10 10 |
| 2’# | 2.8 | 21 | -- | -- | -- | -- | -- | 1.9×10 14 |
| 3# | 2.7 | 28 | 90 | 99 | 98 | 95 | 95 | 9.3×10 10 |
| 3’# | 2.8 | 25 | -- | -- | -- | -- | -- | 1.3×10 14 |
| 4# | 2.4 | 33 | 93 | 99 | 99 | 99 | 99 | 1.2×10 9 |
Claims (19)
1. functionalization polyacrylonitrile resin is characterized in that: the guanidinesalt oligopolymer that is grafted with following structure on this resin backbone:
Wherein, n=2-10, m=4-30, l=1-2; X is acryl, methacryloyl, clothing health acyl group, maleoyl, propylene ester group or methacrylic ester group; Y is H or X; Z is Cl
-, NO
3 -, HCO
3 -Or H
2PO
4 -
2. the preparation method of a functionalization polyacrylonitrile resin comprises the following steps:
(1) solution copolymerization is legal
Guanidinesalt oligopolymer, acrylonitrile monemer and chain-transfer agent join in the dimethyl sulfoxide (DMSO) DMSO solvent, stir down at 40 ℃ solid is dissolved fully, behind the letting nitrogen in and deoxidizing, be warming up to 50 ℃-75 ℃, add initiator, reacted collecting function polyacrylonitrile resin from reaction product 1-10 hour;
(2) or the aqueous-phase suspending copolymerization process
Add guanidinesalt oligopolymer, acrylonitrile monemer and chain-transfer agent in water, stirring makes it dissolving and mixes, and behind the letting nitrogen in and deoxidizing, is warming up to 50 ℃-75 ℃, adds initiator, reacts collecting function polyacrylonitrile resin from reaction product 1-10 hour.
3. the preparation method of functionalization polyacrylonitrile resin according to claim 2 is characterized in that: described guanidinesalt oligopolymer, and molecular weight ranges is at 300-5000, and feature structure is as follows:
Wherein, X is acryl, methacryloyl, clothing health acyl group, maleoyl, propylene ester group or methacrylic ester group; Y is H or X; Z is Cl
-, NO
3 -, HCO
3 -Or H
2PO
4 -
4. the preparation method of functionalization polyacrylonitrile resin according to claim 2 is characterized in that: described chain-transfer agent is a kind of of mercaptoethanol, mercaprol, Thiovanic acid, thiohydracrylic acid, lauryl mercaptan, Virahol.
5. the preparation method of functionalization polyacrylonitrile resin according to claim 2, it is characterized in that: described initiator is one or more mixtures of redox systems such as ammonium persulphate, Potassium Persulphate, Diisopropyl azodicarboxylate, benzoyl peroxide, sodium chlorate-S-WAT, sodium chlorate-sodium bisulfite, ammonium persulphate-S-WAT, Potassium Persulphate-S-WAT, ammonium persulfate-sodium bisulfite, Potassium Persulphate-sodium bisulfite, ammonium persulphate-Tetramethyl Ethylene Diamine, Potassium Persulphate-Tetramethyl Ethylene Diamine.
6. the preparation method of functionalization polyacrylonitrile resin according to claim 2, it is characterized in that: the weight percent of the water in dimethyl sulfoxide (DMSO) DMSO in the described step (1) or the step (2) is that the total amount with DMSO or water and guanidinesalt oligopolymer and acrylonitrile monemer is a benchmark, and the weight percent of DMSO or water is 50%-90%.
7. the preparation method of functionalization polyacrylonitrile resin according to claim 6, it is characterized in that: the weight percent of described DMSO or water is 65-75wt.%.
8. the preparation method of functionalization polyacrylonitrile resin according to claim 2, it is characterized in that: the weight percent of described guanidinesalt oligopolymer is 5%-35%.
9. the preparation method of functionalization polyacrylonitrile resin according to claim 8, it is characterized in that: the weight percent of described guanidinesalt oligopolymer is 10-15wt.%.
10. the preparation method of functionalization polyacrylonitrile resin according to claim 2, it is characterized in that: the weight percent of described acrylonitrile monemer is 65%-95%.
11. the preparation method of functionalization polyacrylonitrile resin according to claim 10 is characterized in that: the weight percent of described acrylonitrile monemer is 85-90wt%.
12. the preparation method of functionalization polyacrylonitrile resin according to claim 2 is characterized in that: the weight percent of described chain-transfer agent is 0%-0.5%.
13. the preparation method of functionalization polyacrylonitrile resin according to claim 2 is characterized in that: the weight percent of described initiator is 0.02%-5%.
14. the preparation method of functionalization polyacrylonitrile resin according to claim 13 is characterized in that: the weight percent of described initiator is 0.2-1.0wt%.
15. the preparation method of functionalization polyacrylonitrile resin according to claim 2 is characterized in that: the weight percent of described guanidinesalt oligopolymer, acrylonitrile monemer, chain-transfer agent and initiator is a benchmark with the total amount of component guanidinesalt oligopolymer and acrylonitrile monemer all.
16. the application of functionalization polyacrylonitrile resin in polyacrylonitrile fibre, it is characterized in that: with functionalization polyacrylonitrile resin with certain proportion and the blend of plain polypropylene nitrile, deaeration, the preparation spinning solution, through the spinning technique of spinning technique, washing, stretching, compacting by drying, be prepared into the functionalization polyacrylonitrile fiber.
17. the application of functionalization polyacrylonitrile resin according to claim 16 in polyacrylonitrile fibre is characterized in that: described plain polypropylene nitrile is that acrylonitrile homopolymer or acrylonitrile content are at the multipolymer more than 85%.
18. the application of functionalization polyacrylonitrile resin according to claim 16 in polyacrylonitrile fibre, it is characterized in that: described and the blend of plain polypropylene nitrile are after functionalization polyacrylonitrile resin solution that copolymerization obtains removes monomer, with the DMSO solution blending of itself and plain polypropylene nitrile evenly and deaeration, obtain spinning solution; After functionalization polyacrylonitrile resin that the aqueous-phase suspending copolymerization obtains and plain polypropylene nitrile mix, be dissolved in dimethyl formamide DMF or 50%-58% sodium thiocyanate water solution; Or prepare the solution of functionalization polyacrylonitrile resin and plain polypropylene nitrile respectively, then with two kinds of solution blendings.
19. the application of functionalization polyacrylonitrile resin according to claim 16 in polyacrylonitrile fibre is characterized in that: described spinning is to adopt wet method, dry method or frozen glue to spin solvent spinning technology.
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| CN103462268A (en) * | 2013-09-13 | 2013-12-25 | 句容市后白镇迎瑞印花厂 | Method for preparing antistatic fabrics |
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| CN102575415A (en) * | 2009-07-22 | 2012-07-11 | 日本爱克兰工业株式会社 | Moisture-absorbing fiber dyeable with acid dyes and method for producing same |
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| CN101914852A (en) * | 2010-08-20 | 2010-12-15 | 山东理工大学 | Method for producing high-hygroscopicity acrylic fibers |
| CN103462268A (en) * | 2013-09-13 | 2013-12-25 | 句容市后白镇迎瑞印花厂 | Method for preparing antistatic fabrics |
| CN104611782A (en) * | 2015-01-23 | 2015-05-13 | 常州大学 | Preparation method of anti-pilling acrylon spinning liquid |
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| CN111302427A (en) * | 2020-02-26 | 2020-06-19 | 新昌县以琳环保科技有限公司 | Preparation method of antibacterial and deodorant modified fiber for water purification |
| CN111302427B (en) * | 2020-02-26 | 2021-11-02 | 新昌县以琳环保科技有限公司 | Preparation method of antibacterial and deodorant modified fiber for water purification |
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