CN105734965A - Anti-crease finishing agent of cotton fabric and preparation method of anti-crease finishing agent as well as finishing process of cotton fabric - Google Patents
Anti-crease finishing agent of cotton fabric and preparation method of anti-crease finishing agent as well as finishing process of cotton fabric Download PDFInfo
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- CN105734965A CN105734965A CN201610297879.XA CN201610297879A CN105734965A CN 105734965 A CN105734965 A CN 105734965A CN 201610297879 A CN201610297879 A CN 201610297879A CN 105734965 A CN105734965 A CN 105734965A
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- bafta
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/35—Heterocyclic compounds
- D06M13/355—Heterocyclic compounds having six-membered heterocyclic rings
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/20—Treatment influencing the crease behaviour, the wrinkle resistance, the crease recovery or the ironing ease
Abstract
The invention relates to the field of cotton fabric anti-crease treatment and particularly relates to an anti-crease finishing agent of a cotton fabric and a preparation method of the anti-crease finishing agent as well as a finishing process of the cotton fabric. The anti-crease finishing agent of the cotton fabric is a solution containing ethylenediamine tetraacetic dianhydride. According to the anti-crease finishing agent of the cotton fabric, provided by the invention, EDTA dianhydride and a hydroxyl group on the cotton fabric have an esterification reaction and cross linking is formed among different macromolecular chains of the cotton fabric, so that the anti-crease finishing aim is realized; the finished fabric does not have a formaldehyde releasing structure; meanwhile, the fabric does not need to be treated under an acidic condition and potential damages of the cotton fabric are relatively small. The invention further provides the preparation method of the anti-crease finishing agent and the anti-crease finishing process of the cotton fabric; components of the prepared anti-crease finishing agent are uniformly distributed; the cotton fabric is treated by the finishing agent so that the anti-crease finishing aim is realized, no formaldehyde is released in a whole process, and the cotton fabric does not need to be treated under the acidic condition and the damages to the cotton fabric are small.
Description
Technical field
The present invention relates to crease-resistant cotton fabric process field, in particular to the crease proofing agent of a kind of bafta, its preparation method and finishing technique.
Background technology
Bafta, also known as cotton, is with cotton yarn for the woven fabric of raw material.Owing to it has multi-functional, soft, ventilative, moisture absorption, the comfortableness of annual dress, function admirable and the performance such as endurable, bafta is widely used in garment material, drapery and TECHNICAL FABRIC.
Raw cotton fabric is susceptible to wrinkling with contraction, it is therefore desirable to it is carried out wrinkle proofing to reach the purpose keeping appearance of fabrics smooth.Crease proofing agent conventional at present has N-methylol class and polybasic carboxylic acid class, but the former brings healthy hidden danger due to release free formaldehyde, and the latter is relatively costly, and bafta brute force is damaged by its acid condition to some extent.
It addition, application number is 201610013205.2 disclose a kind of novel formaldehyde-free crease proofing agent and finishing technique thereof, wherein disclosed a kind of novel formaldehyde-free crease proofing agent, including following component: acryloyl succinic acid monomer；Isooctyl acrylate monomer；Styrene；Methyl methacrylate；High density polyethylene waxes emulsion；Dimethicone；Phosphate-free catalyst；N-β-aminoethyl-γ-aminopropyltriethoxy dimethoxysilane；Etherificate dihydroxy ethylene urea；Chitosan；Polyethylene Glycol and 2 parts of itaconic acid.Although this finishing agent solves tradition unsaturated carboxylic acid finishing agent fabric yellowing, brute force is low, polymerization effect is not good, but its complicated component, relating to Organic substance many, after preparation process, environment all can be caused certain infringement by subsequent treatment.
In view of this, the special proposition present invention.
Summary of the invention
The first object of the present invention is in that to provide the crease proofing agent of a kind of bafta, selecting EDTA dianhydride is main component, utilize EDTA dianhydride ester can be become to react with the hydroxyl on bafta, crosslinking is formed between bafta difference macromolecular chain, thus reaching the purpose of wrinkle proofing, owing to the structure of formaldehydeless release exists, and without processing in acid condition, the latent lesion of bafta is relatively small.
The second object of the present invention is in that the preparation method providing described crease proofing agent, and the method, by stirring and ultrasonic Treatment, makes homogeneous being scattered in solvent of EDTA dianhydride.
The second object of the present invention is in that to provide the wrinkle proofing technique of a kind of bafta, the method selects EDTA dianhydride that bafta has been carried out wrinkle proofing, EDTA dianhydride can become ester to react with the hydroxyl on bafta, crosslinking is formed between bafta difference macromolecular chain, thus reaching the purpose of wrinkle proofing, after arrangement, on fabric, the structure of formaldehydeless release exists, and simultaneously without processing in acid condition, the latent lesion of bafta is relatively small.
In order to realize the above-mentioned purpose of the present invention, spy by the following technical solutions:
The crease proofing agent of a kind of bafta, described crease proofing agent is the solution containing ethylenediaminetetraacetic acid dianhydride.
The crease proofing agent of bafta provided by the invention, EDTA dianhydride is utilized to become ester to react with the hydroxyl on bafta, crosslinking is formed between bafta difference macromolecular chain, thus reaching the purpose of wrinkle proofing, after arrangement, on fabric, the structure of formaldehydeless release exists, simultaneously without processing in acid condition, the latent lesion of bafta is relatively small.
Wherein, EDTA dianhydride becomes the ester reaction principle to be with the hydroxyl on bafta: anhydride is stronger acylating agent; the hydroxyl that reacts or sterically hindered bigger hydroxy compounds it is difficult to suitable in direct esterification; the carboxylic acid that reaction generates will not make ester be hydrolyzed, so this esterification can carry out completely.Two anhydride that in the present invention, EDTA dianhydride has, therefore there is the bigger probability reacted with hydroxyl on two macromolecular chains, therefore can form crosslinking at two cellulose macromolecule interchains.Concrete reaction equation is as follows:
Using water as solvent can cause the hydrolysis of anhydride to lose efficacy；Through a large amount of screenings, select dimethylformamide (being abbreviated as DMF) as the solvent of ethylenediaminetetraacetic acid dianhydride, this solvent can make ethylenediaminetetraacetic acid dianhydride invariance, and it possesses certain polarity, can make cellulosic hydroxyl, as nucleopilic reagent, the carbonyl on anhydride be carried out nucleophillic attack, promote the carrying out of esterification, be ethylenediaminetetraacetic acid dianhydride becomes ester to react the solvent environment providing good with the hydroxyl on bafta, again that the infringement of bafta is little, environmental pollution is little.Preferably, the solvent in described crease proofing agent includes dimethylformamide.
Empirical tests, the working concentration of ethylenediaminetetraacetic acid dianhydride is that bafta is processed and all can reach good wrinkle-proof effect by 0.01-0.05g/mL, and the ultimate strength and whiteness on bafta all has lighter impact.Preferably, the working concentration of described ethylenediaminetetraacetic acid dianhydride is 0.01-0.05g/mL.
In order to reach better wrinkle-proof effect, and the ultimate strength and whiteness impact on bafta is less.It is highly preferred that the working concentration of described ethylenediaminetetraacetic acid dianhydride is 0.03-0.04g/mL, more preferably 0.03g/mL.
The preparation method that present invention also offers the crease proofing agent of described bafta, adds ethylenediaminetetraacetic acid dianhydride in dimethylformamide and mixes.
In order to reach better solute effect, it is preferable that described mixing is: stirring and evenly mixing at 45-55 DEG C.Add in dimethylformamide by ethylenediaminetetraacetic acid dianhydride and heat stirring and evenly mixing at 45-55 DEG C.The temperature of mixing can be 45 DEG C, 48 DEG C, 50 DEG C, 52 DEG C, 54 DEG C, 55 DEG C etc..It is highly preferred that the temperature used by described mixing is 48 DEG C-52 DEG C.
In order to reach better solute effect, further, the time of described stirring is 25-30min.
In order to make ethylenediaminetetraacetic acid dianhydride dissolve fully in dimethylformamide, further comprising the steps of after stirring: more than supersound process 30min at 35-45KHz, 40-50 DEG C.
It is preferably supersound process 30min-60min at 40-45KHz, 45-48 DEG C.
Present invention also offers the wrinkle proofing technique of a kind of bafta, comprise the following steps: bafta is soaked in the solution containing above-mentioned crease proofing agent, after washing, dries.
The method selects EDTA dianhydride that bafta has been carried out wrinkle proofing, EDTA dianhydride can become ester to react with the hydroxyl on bafta, crosslinking is formed between bafta difference macromolecular chain, thus reaching the purpose of wrinkle proofing, owing to the structure of formaldehydeless release exists, and without processing in acid condition, the latent lesion of bafta is relatively small.
In order to make bafta soak fully, reaching better wrinkle-proof effect, further, soaking bath raio used is 1:80-120, more preferably 1:100-110.
In order to make the hydroxyl in bafta fully react with EDTA dianhydride, it is preferable that the temperature of immersion is 50-90 DEG C, more preferably 60-80 DEG C, it is most preferred that for 65-70 DEG C.
In order to make the hydroxyl in bafta react completely with EDTA dianhydride, it is more preferred to, also it is stirred while immersion.Stirring can directly be stirred, it is possible to use magnetic stirring apparatus carries out.
In order to make the hydroxyl in bafta fully react with EDTA dianhydride, further, the time of immersion is 1-9h, more preferably 3-7h.
Washing after immersion needs through repeatedly washing, and is usually and first washes with the hot water of 80 ± 5 DEG C, and then cold water is washed, and then with the suds washing that mass concentration is 4.5-5.5g/L, then washes with 80 ± 5 DEG C of hot water and cold water successively.Adopt this program to wash, be in order to the composition of the residual in bafta is removed thoroughly.Cold water therein refers to the water under room temperature state, generally refers to the water of 20 ± 5 DEG C.
Further, the temperature of drying is 90-110 DEG C, it is preferred to 95-100 DEG C.Dry under this temperature conditions, both reached certain styling, and do not destroyed again the structure of cotton fiber.
Compared with prior art, the invention have the benefit that
(1) crease proofing agent of bafta provided by the invention, EDTA dianhydride is utilized to become ester to react with the hydroxyl on bafta, crosslinking is formed between bafta difference macromolecular chain, thus reaching the purpose of wrinkle proofing, owing to the structure of formaldehydeless release exists, and without processing in acid condition, the latent lesion of bafta is relatively small.
(2) present invention also defines the solvent of EDTA dianhydride is dimethylformamide, this solvent can make ethylenediaminetetraacetic acid dianhydride invariance, and it possesses certain polarity, can make cellulosic hydroxyl, as nucleopilic reagent, the carbonyl on anhydride be carried out nucleophillic attack, promote the carrying out of esterification.
(3) present invention also offers the working concentration of ethylenediaminetetraacetic acid dianhydride, make, when bafta is processed, both to have reached certain wrinkle-proof effect, again that the infringement of bafta is little, environmental pollution is little.
(4) preparation method that present invention also offers crease proofing agent, prepared solution composition distribution is homogeneous.
(5) present invention also offers the wrinkle proofing technique of a kind of bafta, define the parameter of each step, EDTA dianhydride becomes ester to react with the hydroxyl on bafta, crosslinking is formed between bafta difference macromolecular chain, thus reaching the purpose of wrinkle proofing, the formaldehydeless release of whole process, and without processing in acid condition, the damage of bafta is little.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below.
Fig. 1 is the XRD analysis figure of the embodiment of the present invention 3 Central Plains pure cotton fabric；
Fig. 2 is the XRD analysis figure of the pure cotton fabric after arranging in the embodiment of the present invention 3；
Fig. 3 is the infrared analysis comparison diagram of the pure cotton fabric after the embodiment of the present invention 3 Central Plains pure cotton fabric and arrangement.
Detailed description of the invention
Below in conjunction with embodiment, embodiment of the present invention are described in detail, it will be appreciated by those skilled in the art that the following example is merely to illustrate the present invention, and are not construed as restriction the scope of the present invention.Unreceipted actual conditions person in embodiment, conventionally the condition of condition or manufacturer's suggestion carries out.Agents useful for same or the unreceipted production firm person of instrument, be and can pass through the commercially available conventional products bought and obtain.
Embodiment 1
1, the EDTA dianhydride consumption impact on pure cotton fabric crease resistance
Change EDTA dianhydride consumption (as shown in table 1), wrinkle proofing temperature 70 C, magnetic agitation 7 hours；Then through washing: first washing with the hot water of 80 ± 5 DEG C, then cold water is washed, then with the suds washing that mass concentration is 4.5-5.5g/L, then wash with 80 ± 5 DEG C of hot water and cold water successively；100 DEG C of drying.The creasy recovery angle of bafta after arranging is measured according to AATCC66-2003；Additionally also measure ultimate strength and whitness index, be specifically shown in table 1.
The impact on fabric property of the table 1EDTA dianhydride consumption
As shown in table 1, along with the raising of consumption, creasy recovery angle significantly increases, but ultimate strength and whitness index all decrease, illustrating that the addition improving EDTA dianhydride can substantially increase fiber crosslinking degree, namely the working concentration of ethylenediaminetetraacetic acid dianhydride is that 0.01-0.05g/mL all has good effect；Comprehensive each side index, more the working concentration of ethylenediaminetetraacetic acid dianhydride is preferably 0.03-0.04g/mL, more preferably 0.03g/mL.
2, the wrinkle proofing temperature impact on pure cotton fabric crease resistance
Changing and arrange temperature (as shown in table 2), EDTA dianhydride consumption is 3g/100mLDMF, magnetic agitation 7 hours；Washing and drying are ibid.Identical method measures creasy recovery angle, ultimate strength and whitness index, is specifically shown in table 2.
Table 2 arranges the temperature impact on fabric property
Table 2 data show, along with the rising arranging temperature, WRA improves therewith.Meanwhile, fabric yellowing, whiteness declines, and fracture strength reduces, the degradation of fabric.Therefore, the temperature of immersion is 50-90 DEG C and equal can reach good wrinkle-proof effect；Comprehensive analysis, is preferred with 60-80 DEG C, with about 70 DEG C more preferably.
3, the wrinkle proofing time impact on pure cotton fabric crease resistance
Changing finishing time (as shown in table 3), arranging temperature is 70 DEG C, and EDTA dianhydride consumption is 3g/100mLDMF；Washing and drying are ibid.Identical method measures creasy recovery angle, ultimate strength and whitness index, is specifically shown in table 3.
Table 3 finishing time performance impact to bafta
From table 3, along with the growth in response time, creasy recovery angle also increases, and namely finishing agent improves with the crosslinking degree of fiber, but the time more than 7 hours after lifting amplitude decline.Namely the time soaked is that 1-9h all can reach good wrinkle-proof effect, considers, more preferably 3-7h, and finishing time takes that to carry out wrinkle proofing the most suitable 7 hours.
Embodiment 2
1, preparation crease proofing agent: EDTA dianhydride 3g is added in 100mLN, N-dimethyl methylamine, is warming up to 50 DEG C, magnetic agitation 30min；Room temperature is put in cooling, then at 40KHz, supersound process 1 hour at 45 DEG C so that EDTA dianhydride is dissolved completely in DMF.
2, immersing in dressing liquid according to the bath raio of 1:100 by white pure cotton fabric, magnetic agitation 7h at 70 DEG C, Temperature fall, multiple tracks is washed, and fabric is dried at 100 DEG C.
After wrinkle proofing, pure cotton fabric performance is in Table 4.
Table 4 arranges the performance of pure cotton fabric
| Sample | WRA is dry slow | Ultimate strength | Whitness index |
| Pure cotton fabric after arrangement | 171 | 307 | 81.10 |
| Former pure cotton fabric | 103 | 376 | 83.17 |
3, after arranging, pure cotton fabric and former pure cotton fabric adopt Shimadzu X-ray diffractometer XRD-6000 (Japan) to carry out X-ray diffraction, and wherein, the XRD analysis figure of former pure cotton fabric is as shown in Figure 1；After arrangement, the XRD analysis figure of pure cotton fabric is as shown in Figure 2.
It can be seen that the peak width of former cloth and low from XRD figure, and EDTA dianhydride process after peak shape become sharp and high, illustrate that degree of crystallinity improves, the wrinkle proofing effect of fabric is improved.
4, the pure cotton fabric after being arranged by EDTA dianhydride and former pure cotton fabric adopt infrared spectrometric analyzer (BRUKER, TENSOR27, Germany), and total reflection method carries out infrared analysis and compares, and result is as shown in Figure 3.
From figure 3, it can be seen that two spectrum contrasts, the pure cotton fabric after arrangement is at 1743.5cm-1And 1647.6cm-1Obvious peak occurs, the existence of carbonyl, 1329cm are described-1The C-O-C absworption peak significantly strengthened and its 1350-1050cm occur-1Between INFRARED ABSORPTION be remarkably reinforced, further illustrate the generation of ester bond, this shows that EDTA dianhydride successfully there occurs chemical reaction with gossypin, defines cross-linked structure.
Embodiment 3
1, preparation crease proofing agent: EDTA dianhydride 1g is added in 100mLN, N-dimethyl methylamine, is warming up to 45 DEG C, magnetic agitation 30min；Room temperature is put in cooling, then at 35KHz, supersound process 1 hour at 40 DEG C so that EDTA dianhydride is dissolved completely in DMF.
2, immersing in dressing liquid according to the bath raio of 1:80 by bafta, magnetic agitation 9h at 65 DEG C, Temperature fall, multiple tracks is washed, and fabric is dried at 90 DEG C.
After wrinkle proofing, pure cotton fabric performance is in Table 5.
Table 5 arranges the performance of pure cotton fabric
| Sample | WRA is dry slow | Ultimate strength | Whitness index |
| Pure cotton fabric after arrangement | 162 | 303 | 81.25 |
| Former pure cotton fabric | 103 | 376 | 83.17 |
3, after arranging, calico and former calico adopt Shimadzu X-ray diffractometer XRD-6000 (Japan) to carry out X-ray diffraction, the peak width of visible former cloth and low, and the pure cotton fabric peak shape after the process of EDTA dianhydride becomes sharp and high, explanation degree of crystallinity improves, and the wrinkle proofing effect of fabric is improved.
4, the cotton sample after being arranged by EDTA dianhydride and raw cotton sample adopt infrared spectrometric analyzer (BRUKER, TENSOR27, Germany), and total reflection method carries out infrared analysis and compares.
Two the spectrum contrasts obtained, there is obvious peak at 1743.5cm-1 and 1647.6cm-1 in the cotton sample after arrangement, and the existence of carbonyl is described, the C-O-C absworption peak significantly strengthened and its 1350-1050cm occurs in 1329cm-1-1Between INFRARED ABSORPTION be remarkably reinforced, further illustrate the generation of ester bond, this shows that EDTA dianhydride successfully there occurs chemical reaction with gossypin, defines cross-linked structure.
Embodiment 4
1, preparation crease proofing agent: EDTA dianhydride 4g is added in 100mLN, N-dimethyl methylamine, is warming up to 55 DEG C, magnetic agitation 25min；Room temperature is put in cooling, then at 45KHz, supersound process 30min at 50 DEG C so that EDTA dianhydride is dissolved completely in DMF.
2, immersing in dressing liquid according to the bath raio of 1:80 by bafta, magnetic agitation 3h at 60 DEG C, Temperature fall, multiple tracks is washed, and fabric is dried at 95 DEG C.
After wrinkle proofing, pure cotton fabric performance is in Table 6.
Table 6 arranges the performance of pure cotton fabric
| Sample | WRA is dry slow | Ultimate strength | Whitness index |
| Pure cotton fabric after arrangement | 173 | 298 | 80.76 |
| Former pure cotton fabric | 103 | 376 | 83.17 |
3, after arranging, pure cotton fabric and former pure cotton fabric adopt Shimadzu X-ray diffractometer XRD-6000 (Japan) to carry out X-ray diffraction.It can be seen that the peak width of former cloth and low from XRD figure, and EDTA dianhydride process after peak shape become sharp and high, illustrate that degree of crystallinity improves, the wrinkle proofing effect of fabric is improved.
4, the pure cotton fabric after being arranged by EDTA dianhydride and former pure cotton fabric adopt infrared spectrometric analyzer (BRUKER, TENSOR27, Germany), and total reflection method carries out infrared analysis and compares, and two spectrum contrasts, the pure cotton fabric after arrangement is at 1743.5cm-1And 1647.6cm-1Obvious peak occurs, the existence of carbonyl, 1329cm are described-1The C-O-C absworption peak significantly strengthened and its 1350-1050cm occur-1Between INFRARED ABSORPTION be remarkably reinforced, further illustrate the generation of ester bond, this shows that EDTA dianhydride successfully there occurs chemical reaction with gossypin, defines cross-linked structure.
Embodiment 5
1, preparation crease proofing agent: EDTA dianhydride 5g is added in 100mLN, N-dimethyl methylamine, is warming up to 55 DEG C, magnetic agitation 25min；Room temperature is put in cooling, then at 45KHz, supersound process 50min at 48 DEG C so that EDTA dianhydride is dissolved completely in DMF.
2, immersing in dressing liquid according to the bath raio of 1:110 by bafta, magnetic agitation 1h at 80 DEG C, Temperature fall, multiple tracks is washed, and fabric is dried at 110 DEG C.
After wrinkle proofing, pure cotton fabric performance is in Table 7.
Table 7 arranges the performance of pure cotton fabric
| Sample | WRA is dry slow | Ultimate strength | Whitness index |
| Pure cotton fabric after arrangement | 168 | 302 | 81.05 |
| Former pure cotton fabric | 103 | 376 | 83.17 |
3, after arranging, pure cotton fabric and former pure cotton fabric adopt Shimadzu X-ray diffractometer XRD-6000 (Japan) to carry out X-ray diffraction.It can be seen that the peak width of former cloth and low from XRD figure, and EDTA dianhydride process after peak shape become sharp and high, illustrate that degree of crystallinity improves, the wrinkle proofing effect of fabric is improved.
4, the pure cotton fabric after being arranged by EDTA dianhydride and former pure cotton fabric adopt infrared spectrometric analyzer (BRUKER, TENSOR27, Germany), and total reflection method carries out infrared analysis and compares, and two spectrum contrasts, the pure cotton fabric after arrangement is at 1743.5cm-1And 1647.6cm-1Obvious peak occurs, the existence of carbonyl, 1329cm are described-1The C-O-C absworption peak significantly strengthened and its 1350-1050cm occur-1Between INFRARED ABSORPTION be remarkably reinforced, further illustrate the generation of ester bond, this shows that EDTA dianhydride successfully there occurs chemical reaction with gossypin, defines cross-linked structure.
Embodiment 6
1, preparation crease proofing agent: EDTA dianhydride 3g is added in 100mLN, N-dimethyl methylamine, is warming up to 50 DEG C, magnetic agitation 30min；Room temperature is put in cooling, then at 40KHz, supersound process 50min at 45 DEG C so that EDTA dianhydride is dissolved completely in DMF.
2, immersing in dressing liquid according to the bath raio of 1:120 by bafta, magnetic agitation 4h at 90 DEG C, Temperature fall, multiple tracks is washed, and fabric is dried at 100 DEG C.
After wrinkle proofing, pure cotton fabric performance is in Table 8.
Table 8 arranges the performance of pure cotton fabric
| Sample | WRA is dry slow | Ultimate strength | Whitness index |
| Pure cotton fabric after arrangement | 170 | 297 | 80.23 |
| Former pure cotton fabric | 103 | 376 | 83.17 |
3, after arranging, pure cotton fabric and former pure cotton fabric adopt Shimadzu X-ray diffractometer XRD-6000 (Japan) to carry out X-ray diffraction.It can be seen that the peak width of former cloth and low from XRD figure, and EDTA dianhydride process after peak shape become sharp and high, illustrate that degree of crystallinity improves, the wrinkle proofing effect of fabric is improved.
4, the pure cotton fabric after being arranged by EDTA dianhydride and former pure cotton fabric adopt infrared spectrometric analyzer (BRUKER, TENSOR27, Germany), and total reflection method carries out infrared analysis and compares, and two spectrum contrasts, the pure cotton fabric after arrangement is at 1743.5cm-1And 1647.6cm-1Obvious peak occurs, the existence of carbonyl, 1329cm are described-1The C-O-C absworption peak significantly strengthened and its 1350-1050cm occur-1Between INFRARED ABSORPTION be remarkably reinforced, further illustrate the generation of ester bond, this shows that EDTA dianhydride successfully there occurs chemical reaction with gossypin, defines cross-linked structure.
Embodiment 7
1, preparation crease proofing agent: EDTA dianhydride 3.5g is added in 100mLN, N-dimethyl methylamine, is warming up to 50 DEG C, magnetic agitation 30min；Room temperature is put in cooling, then at 45KHz, supersound process 30min at 45 DEG C so that EDTA dianhydride is dissolved completely in DMF.
2, immersing in dressing liquid according to the bath raio of 1:110 by bafta, magnetic agitation 7h at 65 DEG C, Temperature fall, multiple tracks is washed, and fabric is dried at 100 DEG C.
After wrinkle proofing, pure cotton fabric performance is in Table 9.
Table 9 arranges the performance of pure cotton fabric
3, after arranging, pure cotton fabric and former pure cotton fabric adopt Shimadzu X-ray diffractometer XRD-6000 (Japan) to carry out X-ray diffraction.It can be seen that the peak width of former cloth and low from XRD figure, and EDTA dianhydride process after peak shape become sharp and high, illustrate that degree of crystallinity improves, the wrinkle proofing effect of fabric is improved.
4, the pure cotton fabric after being arranged by EDTA dianhydride and former pure cotton fabric adopt infrared spectrometric analyzer (BRUKER, TENSOR27, Germany), and total reflection method carries out infrared analysis and compares, and two spectrum contrasts, the pure cotton fabric after arrangement is at 1743.5cm-1And 1647.6cm-1Obvious peak occurs, the existence of carbonyl, 1329cm are described-1The C-O-C absworption peak significantly strengthened and its 1350-1050cm occur-1Between INFRARED ABSORPTION be remarkably reinforced, further illustrate the generation of ester bond, this shows that EDTA dianhydride successfully there occurs chemical reaction with gossypin, defines cross-linked structure.
Although illustrate and describing the present invention with specific embodiment, however it will be appreciated that may be made that when without departing substantially from the spirit and scope of the present invention many other change and amendment.It is, therefore, intended that include all such changes and modifications belonging in the scope of the invention in the following claims.
Claims (10)
1. the crease proofing agent of a bafta, it is characterised in that described crease proofing agent is the solution containing ethylenediaminetetraacetic acid dianhydride.
2. the crease proofing agent of bafta according to claim 1, it is characterised in that the solvent in described crease proofing agent includes dimethylformamide.
3. the crease proofing agent of the bafta according to any one of claim 1-2, it is characterised in that the working concentration of described ethylenediaminetetraacetic acid dianhydride is 0.01-0.05g/mL, it is preferred to 0.03-0.04g/mL, more preferably 0.03g/mL.
4. the preparation method of the crease proofing agent of the bafta described in any one of claim 1-3, it is characterised in that described ethylenediaminetetraacetic acid dianhydride is added in dimethylformamide and mixes.
5. the preparation method of the crease proofing agent of bafta according to claim 4, it is characterised in that described mixing is: stirring and evenly mixing at 45-55 DEG C；The time of described stirring is preferably 25-30min.
6. the preparation method of the crease proofing agent of bafta according to claim 5, it is characterised in that further comprising the steps of after stirring: more than supersound process 30min at 35-45KHz, 40-50 DEG C；It is preferably supersound process 30min-60min at 40-45KHz, 45-48 DEG C.
7. the wrinkle proofing technique of a bafta, it is characterised in that comprise the following steps: bafta is soaked in the solution containing the crease proofing agent described in any one of claim 1-3, after washing, dries.
8. the wrinkle proofing technique of bafta according to claim 7, it is characterised in that soaking bath raio used is 1:80-120, more preferably 1:100-110.
9. the wrinkle proofing technique of bafta according to claim 7, it is characterised in that the temperature of immersion is 50-90 DEG C, it is preferred to 60-80 DEG C, it is most preferred that for 65-70 DEG C；It is also preferred that be stirred while soaking, the time of immersion is preferably 1-9h, more preferably 3-7h.
10. the wrinkle proofing technique of bafta according to claim 7, it is characterised in that the temperature of drying is 90-110 DEG C, it is preferred to 95-100 DEG C.
Priority Applications (1)
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| CN107447507A (en) * | 2017-09-29 | 2017-12-08 | 界首市恒吉服饰有限责任公司 | A kind of method for lifting bafta anti-crease property energy |
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| CN103103751A (en) * | 2012-12-14 | 2013-05-15 | 常熟市赵市华达染整有限责任公司 | Method for resisting bacteria, preventing crease and finishing silk fabric in biological enzymatic way |
| CN104499276A (en) * | 2014-12-16 | 2015-04-08 | 东华大学 | Non-phosphorus polycarboxylic anti-crease finishing liquid with catalyst and finishing method thereof |
| CN105484027A (en) * | 2016-01-08 | 2016-04-13 | 湖州市千金丝织厂 | Novel formaldehyde-free crease-resist finishing agent and finishing process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103103751A (en) * | 2012-12-14 | 2013-05-15 | 常熟市赵市华达染整有限责任公司 | Method for resisting bacteria, preventing crease and finishing silk fabric in biological enzymatic way |
| CN104499276A (en) * | 2014-12-16 | 2015-04-08 | 东华大学 | Non-phosphorus polycarboxylic anti-crease finishing liquid with catalyst and finishing method thereof |
| CN105484027A (en) * | 2016-01-08 | 2016-04-13 | 湖州市千金丝织厂 | Novel formaldehyde-free crease-resist finishing agent and finishing process thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107447507A (en) * | 2017-09-29 | 2017-12-08 | 界首市恒吉服饰有限责任公司 | A kind of method for lifting bafta anti-crease property energy |
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