CN101838932A - Method for improving cationized modification evenness of cotton fabrics - Google Patents
Method for improving cationized modification evenness of cotton fabrics Download PDFInfo
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 67
- 238000012986 modification Methods 0.000 title claims abstract description 64
- 230000004048 modification Effects 0.000 title claims abstract description 64
- 239000004744 fabric Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 37
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 66
- 239000003607 modifier Substances 0.000 claims abstract description 46
- 235000011121 sodium hydroxide Nutrition 0.000 claims abstract description 22
- 238000005406 washing Methods 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 150000001768 cations Chemical group 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 33
- 238000010792 warming Methods 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- -1 cationic quaternary ammonium salt compound Chemical class 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 2
- 125000001188 haloalkyl group Chemical group 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 238000004043 dyeing Methods 0.000 abstract description 35
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- 239000003513 alkali Substances 0.000 abstract description 5
- 230000007062 hydrolysis Effects 0.000 abstract description 5
- 238000006460 hydrolysis reaction Methods 0.000 abstract description 5
- 125000002091 cationic group Chemical group 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000007935 neutral effect Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000035515 penetration Effects 0.000 abstract 1
- 239000000975 dye Substances 0.000 description 12
- 239000000344 soap Substances 0.000 description 12
- 238000009835 boiling Methods 0.000 description 11
- 238000004045 reactive dyeing Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 7
- 239000000835 fiber Substances 0.000 description 6
- SSDZRWBPFCFZGB-UHFFFAOYSA-N TCA-ethadyl Chemical compound ClC(Cl)(Cl)C(=O)OCCOC(=O)C(Cl)(Cl)Cl SSDZRWBPFCFZGB-UHFFFAOYSA-N 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000000985 reactive dye Substances 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010186 staining Methods 0.000 description 2
- PUVAFTRIIUSGLK-UHFFFAOYSA-M trimethyl(oxiran-2-ylmethyl)azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CC1CO1 PUVAFTRIIUSGLK-UHFFFAOYSA-M 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000269 nucleophilic effect Effects 0.000 description 1
- YQFOHQBSENCNTR-UHFFFAOYSA-M oxiran-2-ylmethyl(tripropyl)azanium;chloride Chemical compound [Cl-].CCC[N+](CCC)(CCC)CC1CO1 YQFOHQBSENCNTR-UHFFFAOYSA-M 0.000 description 1
- 150000002924 oxiranes Chemical group 0.000 description 1
- 150000003856 quaternary ammonium compounds Chemical class 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- IIYORBNBQXHGHA-UHFFFAOYSA-M tributyl(oxiran-2-ylmethyl)azanium;chloride Chemical compound [Cl-].CCCC[N+](CCCC)(CCCC)CC1CO1 IIYORBNBQXHGHA-UHFFFAOYSA-M 0.000 description 1
- QVOJVKONBAJKMA-UHFFFAOYSA-M triethyl(oxiran-2-ylmethyl)azanium;chloride Chemical compound [Cl-].CC[N+](CC)(CC)CC1CO1 QVOJVKONBAJKMA-UHFFFAOYSA-M 0.000 description 1
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Abstract
The invention belongs to the technical field of dyeing and finishing, relating to a method for improving the cationized modification evenness of cotton fabrics. The method comprises the following steps: (1) preparing modified solution by utilizing modifier containing reactive groups and cationic groups, placing the cotton fabrics in the modified solution, heating the solution to the temperature of between 85 and 95 DEG C, and preserving the temperature for 20 to 30 minutes; and (2) cooling the mixture system obtained in the step (1) to the temperature of between 30 and 40 DEG C, adding caustic soda in the mixture system to ensure that the concentration of the mixture system in the solution reaches 0.5 to 1g/L, reacting for 20 to 30 minutes, and taking out and washing the cotton fabrics with water. The double-temperature modification process ensures that the cationic modifier is diffused and homogenized in the high-temperature neutral condition, and reacts and combines with the cotton fibers in the low-temperature strong alkali condition, thus reducing modifying unevenness caused by hydrolysis loss and excessive reaction velocity of the modifier in the high-temperature alkali condition, or reducing the problem of poor modifying evenness and penetration of the modifier in the low temperature condition.
Description
Technical field
The invention belongs to the dyeing and finishing technique field, relate to a kind of method that improves cationized modification evenness of cotton fabrics.
Background technology
The reactive dyeing of cotton fiber generally includes dyes and two stages of set." on dye " refers to absorption and the diffusion of dyestuff on fiber, and " set " refers to and add that the active group in the dyestuff and the nucleophilic group on the cotton fiber react and covalent bonding behind the alkali.Because REACTIVE DYES direct low, and have electrostatic repulsion between dyestuff anion and cotton fiber, thereby dye-uptake is lower, need add a large amount of neutral salt usually and urge to dye, makes it the dye-uptake that reaches higher, but bring the salt pollution problem thereupon.The cation modifying of cotton fiber can be introduced cation group on cotton fiber, reduce the Zeta potential on cotton fiber surface, reduce the electrostatic repulsion between cotton fiber and the dyestuff, thereby improve the dye-uptake and the fixation rate of REACTIVE DYES, reach the purpose of less salt and salt-free dyeing, also can solve be difficult to dye the problem in dark heavy colour pool.For example: the colouring method of the cation modifying of Chinese invention patent ZL01129734.4 cotton yarn, Chinese patent application publication number CN101381963 salt free dyeing with reactive dye.Yet, there is the uneven dyeing problem usually through the COTTON FABRIC of cation modifying, its main cause is that modification is irregular.Conventional cotton fiber cation modifying method generally is that COTTON FABRIC is inserted in the solution that contains modifier, is warming up to 60～70 ℃, adds caustic soda and handles a period of time.Because the reaction rate of modifier and cotton fiber is very fast, and reaction in a single day, modifier can't move, and very easily produces the inhomogeneous of modification, thereby causes the inhomogeneities of follow-up dyeing.If the temperature of whole modified technique reduces, then easily make modifier be difficult to diffuse into fibrous inside, when causing dyeing surface colour, through-dyeing is poor.
Summary of the invention
The present invention is directed to the above-mentioned technological deficiency that conventional method of modifying exists, a kind of method that improves cationized modification evenness of cotton fabrics is provided, this method is optimized the modified technique of cotton fiber, develop a kind of two warm modified technique, to improve the uniformity of cotton fiber cation modifying, and then improve the level-dyeing property and the through-dyeing of DYED FABRICS, and do not influence the dye level of modified fabric.
Above-mentioned technical problem of the present invention is implemented by the following technical programs:
A kind of method that improves cationized modification evenness of cotton fabrics is characterized in that treatment process steps is as follows:
(1) is mixed with modification liquid with the modifier that contains reactive group and cation group, COTTON FABRIC is inserted in the modification liquid, be warming up to 85～95 ℃, be incubated 20～30 minutes;
(2) mixture system that step (1) is obtained is cooled to 30～40 ℃, adds caustic soda and makes its concentration in solution reach 0.5～1g/L, reacts 20～30 minutes, and COTTON FABRIC is taken out washing.
Described cation modifier is the compound that contains reactive group and cation group, is generally the quaternary ammonium compound that contains epoxide group.Such as, one or more in epoxypropyl trimethylammonium chloride ammonium, glycidyl triethyl ammonium chloride, glycidyl tripropyl ammonium chloride, the glycidyl tributyl ammonium chloride mix use.
For reaching technique effect of the present invention, the present invention rises to 85～95 ℃ in the initial temperature rise period of cotton fiber modification with temperature, the cotton fiber microgap is increased, the kinetic energy of modifier molecules increases, can fully diffuse into fibrous inside, and by suitable temperature retention time (20～30min), modifier is evenly distributed by mobile homogenize on fiber.Then, be cooled to 30～40 ℃, add caustic soda, fixation reaction appropriate time (20～30min).The warm modified technique of this pair, cation modifier is spread and homogenize under the high temperature neutrallty condition, under low temperature highly basic condition with the cotton fiber reaction bonded, thereby it is inhomogeneous to reduce hydrolysising loss and the reaction rate too fast modification that cause of modifier under the high-temperature alkaline condition, or avoids the problem of modifier even saturating property difference of modification under cryogenic conditions.
As preferred version, treatment process steps is as follows: (1) is mixed with modification liquid with the modifier that contains reactive group and cation group, and unmodified COTTON FABRIC is inserted in the remodeling liquid, is warming up to 84～86 ℃, is incubated 20～30 minutes; (2) mixture system that step (1) is obtained is cooled to 34～36 ℃, adds caustic soda and makes its concentration in solution reach 0.7～0.8g/L, reacts 20～30 minutes, and COTTON FABRIC is taken out washing.Originally high temperature modified is to allow cation modifier diffuse into fiber, modification temperature is high more, fiber movement is fierce more, interfibrous microgap increases, make cation modifier be easier to diffuse into fibrous inside, but temperature is too high, and cation modifier is understood Yin Gaowen and hydrolysis, the also easy damaged of fiber.Add alkali after step (1) cooling, be because cation modifier hydrolysis under the high-temperature alkaline environment is serious, can't reach the modification purpose, add caustic soda after reducing to suitable temperature, cation modifier can react more lenitively with fiber, low temperature greatly reduces the hydrolysis degree of cation modifier again simultaneously, thereby reaches the purpose of even modification, and improves the utilization rate of modifier.
As preferred version, described modifier is the cationic quaternary ammonium salt compound that contains following one or more general formulas:
As preferred version, described modification liquid is to be made into by 1: 10～50 bath raio by the paregal O of the cation modifier and 0.5～1% (o.w.f.) of 4～6% (o.w.f.).Cation-modified agent concentration need suit, and too highly causes waste, and easily inhomogeneous with fiber-reactive, crosses to hang down that then modified effect is not good.More preferred scheme is, described modification liquid is to be made into by 1: 15～30 bath raio by cation modifier and paregal O.Bath raio is too small to make that cation-modified agent concentration is excessive in the solution, at high temperature also has partial cation modifier and is not adding under the situation of alkali and the cotton fiber reaction, and be swift in response, and makes modification inhomogeneous; Bath raio is excessive, then causes water waste and modifier utilization rate to reduce.
As preferred version, step (1) heats up with 1～2 ℃/minute heating rate.Slowly intensification can make cation modifier be attached to more lenitively on the cotton fiber, gives its certain mobile space, to reach the cation modifier purpose of absorption and reaction on cotton fiber more equably.
The present invention makes on the COTTON FABRIC after modification is handled and introduces the quaternary ammonium salt cationic group equably, and then improve cationic modified cotton coloration of textile materials uniformity in order to improve the cation-modified uniformity of COTTON FABRIC.Compared with prior art, the present invention has following advantage:
(1) modification liquid is carried out composite, by multiple cationic surfactant commonly used and non-ionic surface active agent are carried out composite test, preferred 0.5～1g/L paregal O and modifier are composite, have improved the uniformity and the dye level of modification to a certain extent;
(2) level-dyeing property and the through-dyeing problem of general cation modifying cotton fabric dyeing process have been solved;
(3) medicine required for the present invention is common, low-cost medicine, and consumption is little, and the modification cost is lower, has wide application prospect.
The specific embodiment
Below be specific embodiments of the invention; These embodiment can do further to replenish and explanation to the present invention; But the present invention is not limited to these embodiment.
The reagent that embodiment adopted:
1, paregal O: analyze pure, the high brilliant Fine Chemical Co., Ltd in Hangzhou;
2, Glytac A (2,3-epoxypropyl trimethylammonium chloride ammonium): Hangzhou Yan Shan chemical industry Co., Ltd;
3, cation modifier YJZ-50 (containing 1 quaternary ammonium salt cationic group and 2 propylene oxide reaction groups in the individual molecule): Guangzhou outstanding Science and Technology Ltd. far away;
4, modifier CY-210: Guangzhou Chuangyue Chemical Co., Ltd., structural formula is
Embodiment one:
Present embodiment is selected the pure cotton knitted fabric processing of dyeing for use, and concrete steps are as follows:
(1) cation modifying
Modification formula of liquid: Glytac A consumption 4% (o.w.f.), paregal O consumption 0.5% (o.w.f.), bath raio 1: 15.
Modified technique: under the room temperature, in modification liquid, put into COTTON FABRIC, rise to 95 ℃, be incubated 20 minutes with 1～2 ℃/minute programming rate; Mixture system with COTTON FABRIC and modification liquid is cooled to 30 ℃ again, wherein adds caustic soda, makes that the concentration of caustic soda reaches 0.5g/L in the solution, reacts 20 minutes, takes out washing.
(2) reactive dyeing
COTTON FABRIC through above-mentioned modification liquid is handled dyes with active blue KN-R.
Prescription of its dyeing liquor: the weight percent concentration (o.w.f.) that dyestuff is equivalent to fabric is 2%, paregal O consumption 0.5g/L, bath raio 1: 30.
Dyeing: put into fabric under the room temperature, rise to 65 ℃, be incubated 30 minutes, add 10g/L soda ash fixation, react after 30 minutes, the cooling washing with 1～2 ℃/minute programming rate.
(3) soap boiling
For removing loose colour, improve dyefastness, fabric after the above-mentioned dyeing is carried out soap boiling.
Soap boiling prescription: soap flakes consumption 5g/L, bath raio 1: 50.
Soap boiling technology: be warming up to 90 ℃, put into DYED FABRICS, soap boiling 10 minutes takes out washing, oven dry.
Embodiment two:
Present embodiment is selected the pure cotton knitted fabric processing of dyeing for use, and concrete steps are as follows:
(1) cation modifying
Modification formula of liquid: Glytac A consumption 6% (o.w.f.), paregal O consumption 1% (o.w.f.), bath raio 1: 20.
Modified technique: under the room temperature, in modification liquid, put into COTTON FABRIC, rise to 85 ℃, be incubated 20 minutes with 1～2 ℃/minute programming rate; Mixture system with COTTON FABRIC and modification liquid is cooled to 35 ℃ again, wherein adds caustic soda, makes that the concentration of caustic soda reaches 0.5g/L in the solution, reacts 20 minutes, takes out washing.
(2) reactive dyeing and soap boiling: with embodiment one.
Embodiment three:
Present embodiment is selected the pure cotton knitted fabric processing of dyeing for use, and concrete steps are as follows:
(1) cation modifying
Modification formula of liquid: cation modifier YJZ-50 consumption 5% (o.w.f.), paregal O consumption 0.8% (o.w.f.), bath raio 1: 25.
Modified technique: under the room temperature, in modification liquid, put into COTTON FABRIC, rise to 90 ℃, be incubated 20 minutes with 1～2 ℃/minute programming rate; Mixture system with COTTON FABRIC and modification liquid is cooled to 34 ℃ again, wherein adds caustic soda, makes that the concentration of caustic soda reaches 1g/L in the solution, reacts 20 minutes, takes out washing.
(2) reactive dyeing and soap boiling: with embodiment one.
Embodiment four:
Present embodiment is selected the pure cotton knitted fabric processing of dyeing for use, and concrete steps are as follows:
(1) cation modifying
The modification formula of liquid is as follows: cation modifier YJZ-50 consumption 5.5% (o.w.f.), paregal O consumption 0.7% (o.w.f.), bath raio 1: 50.
Modified technique: under the room temperature, in modification liquid, put into COTTON FABRIC, rise to 86 ℃, be incubated 30 minutes with 1～2 ℃/minute programming rate; Mixture system with COTTON FABRIC and modification liquid is cooled to 40 ℃ again, wherein adds caustic soda, makes that the concentration of caustic soda reaches 0.8g/L in the solution, reacts 25 minutes, takes out washing.
(2) reactive dyeing and soap boiling: with embodiment one.
Embodiment five:
Present embodiment is selected the pure cotton knitted fabric processing of dyeing for use, and concrete steps are as follows:
(1) cation modifying
The modification formula of liquid is as follows: modifier CY-210 consumption 5% (o.w.f.), paregal O consumption 0.6% (o.w.f.), bath raio 1: 10.
Modified technique: under the room temperature, in modification liquid, put into COTTON FABRIC, rise to 84 ℃, be incubated 20 minutes with 1～2 ℃/minute programming rate; Mixture system with COTTON FABRIC and modification liquid is cooled to 36 ℃ again, wherein adds caustic soda, makes that the concentration of caustic soda reaches 0.8g/L in the solution, reacts 20 minutes, takes out washing.
(2) reactive dyeing and soap boiling: with embodiment one.
Embodiment six:
Present embodiment is selected the pure cotton knitted fabric processing of dyeing for use, and concrete steps are as follows:
(1) cation modifying
The modification formula of liquid is as follows: modifier CY-210 consumption 6% (o.w.f.), paregal O consumption 1% (o.w.f.), bath raio 1: 30.
Modified technique: under the room temperature, in modification liquid, put into COTTON FABRIC, rise to 80 ℃, be incubated 30 minutes with 1～2 ℃/minute programming rate; Mixture system with COTTON FABRIC and modification liquid is cooled to 30 ℃ again, wherein adds caustic soda, makes that the concentration of caustic soda reaches 0.7g/L in the solution, reacts 30 minutes, takes out washing.
(2) reactive dyeing and soap boiling: with embodiment one.
Embodiment seven (single warm modification):
Present embodiment is selected the pure cotton knitted fabric processing of dyeing for use, and concrete steps are as follows:
(1) cation modifying
The modification formula of liquid is as follows: modifier HP-100 consumption 5% (o.w.f.), paregal O consumption 1% (o.w.f.), bath raio 1: 30.
Modified technique: under the room temperature, in modification liquid, put into COTTON FABRIC, rise to 60 ℃, be incubated 30 minutes, add caustic soda, make that the concentration of caustic soda reaches 0.8g/L in the solution, react 30 minutes, take out and wash with 1～2 ℃/minute programming rate.
(2) reactive dyeing and soap boiling: with embodiment one.
Implementation result of the present invention
COTTON FABRIC after the foregoing description 1～7 handled with DateColor colour photometer tested K/S value (on behalf of fabric face, the K/S value get color depth), estimate its level-dyeing property, survey its washing fastness and crock fastness, it the results are shown in Table 1.In order better more directly to characterize the level-dyeing property of COTTON FABRIC, level-dyeing property is divided into 5 grades, classification is as follows:
1 grade: look is spent, white core is serious;
2 grades: coloured flower, Bai Xin;
3 grades: evener, less look flower, Bai Xin;
4 grades: even, colourless substantially flower, Bai Xin;
5 grades: very even, colourless flower, Bai Xin.
Table 1
| Modifier consumption (o.w.f) | Modification temperature (℃) | The K/S value | Level-dyeing property (level) | Variable color fastness (level) | Staining fastness (level) | The wet fastness (level) of rubbing | Unlubricated friction fastness (level) | |
| Embodiment 1 | 4%, two temperature modifications | ??80/30 | ??5.24 | ??4 | ??4-5 | ??4-5 | ??4 | ??4-5 |
| Embodiment 2 | 6%, two temperature modifications | ??85/35 | ??7.09 | ??4-5 | ??4-5 | ??4-5 | ??4 | ??4-5 |
| Modifier consumption (o.w.f) | Modification temperature (℃) | The K/S value | Level-dyeing property (level) | Variable color fastness (level) | Staining fastness (level) | The wet fastness (level) of rubbing | Unlubricated friction fastness (level) | |
| Embodiment 3 | 4%, two temperature modifications | ??90/30 | ??5.75 | ??4-5 | ??4-5 | ??4-5 | ??4 | ??4-5 |
| Embodiment 4 | 6%, two temperature modifications | ??90/40 | ??7.12 | ??4-5 | ??4-5 | ??4-5 | ??4 | ??4-5 |
| Embodiment 5 | 4%, two temperature modifications | ??90/20 | ??5.75 | ??4 | ??4-5 | ??4-5 | ??4 | ??4-5 |
| Embodiment 6 | 6%, two temperature modifications | ??80/30 | ??7.12 | ??4 | ??4-5 | ??4-5 | ??4 | ??4-5 |
| Embodiment 7 | 4%, single warm modification | ??60 | ??5.10 | ??3 | ??4 | ??4 | ??3-4 | ??4 |
| Traditional salt is dyed | ??/ | ??/ | ??5.81 | ??4-5 | ??4-5 | ??4-5 | ??4-5 | ??4-5 |
More as can be seen, the salt-free dyeing COTTON FABRIC gets color depth and routine and adds salt dyeing to get color depth similar after two temperature modifications, this shows, adopts technology provided by the invention, can realize salt-free dyeing by the K/S value.More as can be seen, to add the level-dyeing property of salt dyeing close with routine to handle its level-dyeing properties of poststaining COTTON FABRIC through two warm modified techniques of the present invention, this shows, adopts the technology of the present invention, can improve cation-modified uniformity by the level-dyeing property size scale.By washing fastness and crock fastness more as can be seen, the COTTON FABRIC of handling through the technology of the present invention, its washing fastness is (according to GB250～1995, ISO105/A02～1993) generally can reach more than 4 grades, its dry fastness (according to GB250～1995, ISO105/A02～1993) can reach more than 4～5 grades, and fastness to wet rubbing can reach more than 4 grades, this shows that its washing fastness of COTTON FABRIC and the crock fastness handled through the technology of the present invention all can reach higher level.
Specific embodiment described in the present invention only is that the present invention's spirit is illustrated.The technical staff of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although the present invention has been made detailed explanation and has quoted some instantiations as proof, to those skilled in the art, only otherwise leave that the spirit and scope of the present invention can be done various variations or correction is obvious.
Claims (8)
1. method that improves cationized modification evenness of cotton fabrics is characterized in that treatment process steps is as follows:
(1) is mixed with modification liquid with the modifier that contains reactive group and cation group, unmodified COTTON FABRIC is inserted in the modification liquid, be warming up to 80～95 ℃, be incubated 20～30 minutes;
(2) mixture system that step (1) is obtained is cooled to 30～40 ℃, adds caustic soda and makes its concentration in solution reach 0.5～1g/L, reacts 20～30 minutes, and COTTON FABRIC is taken out washing.
2. method according to claim 1 is characterized in that: step (1) is warming up to 84～86 ℃, adds caustic soda in the step (2) and makes its concentration in solution reach 0.7～0.8g/L.
3. method according to claim 1 and 2 is characterized in that: described modifier is the cationic quaternary ammonium salt compound that contains following one or several general formula:
4. method according to claim 1 and 2 is characterized in that: described modification liquid is to be made into by 1: 10～50 bath raio by the paregal O of the modifier and 0.5～1% (o.w.f.) of 4～6% (o.w.f.).
5. method according to claim 3 is characterized in that: described modification liquid is to be made into by 1: 10～50 bath raio by the paregal O of the modifier and 0.5～1% (o.w.f.) of 4～6% (o.w.f.).
6. method according to claim 5 is characterized in that: described modification liquid is to be made into by 1: 15～30 bath raio by modifier and paregal O.
7. method according to claim 1 and 2 is characterized in that: step (1) heats up with 1～2 ℃/minute heating rate.
8. method according to claim 6 is characterized in that: step (1) heats up with 1～2 ℃/minute heating rate.
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| CN102535194A (en) * | 2012-02-24 | 2012-07-04 | 台州东海塑料品制造有限公司 | Method of dyeing fabric by using dye |
| CN103215805A (en) * | 2013-04-16 | 2013-07-24 | 大连理工大学 | Salt-free dyeing method for active dye |
| CN103225218A (en) * | 2013-04-10 | 2013-07-31 | 武汉纺织大学 | Cellulose fiber liquid ammonia dyeing method |
| CN104358165A (en) * | 2014-11-26 | 2015-02-18 | 四川省宜宾惠美线业有限责任公司 | Cationic modified cellulose fibers |
| CN104358152A (en) * | 2014-11-26 | 2015-02-18 | 四川省宜宾惠美线业有限责任公司 | Modified cellulose fibers |
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| CN110845446A (en) * | 2019-11-08 | 2020-02-28 | 南通大学 | Preparation method and application of washing-free coagulant for pure cotton gloves |
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| CN102080333A (en) * | 2010-12-07 | 2011-06-01 | 江南大学 | Process for dyeing cotton cheese by using natural dye |
| CN102535194A (en) * | 2012-02-24 | 2012-07-04 | 台州东海塑料品制造有限公司 | Method of dyeing fabric by using dye |
| CN103225218A (en) * | 2013-04-10 | 2013-07-31 | 武汉纺织大学 | Cellulose fiber liquid ammonia dyeing method |
| CN103225218B (en) * | 2013-04-10 | 2016-04-20 | 武汉纺织大学 | A kind of liquefied ammonia colouring method of cellulose fibre |
| CN103215805A (en) * | 2013-04-16 | 2013-07-24 | 大连理工大学 | Salt-free dyeing method for active dye |
| CN104452283A (en) * | 2014-11-26 | 2015-03-25 | 广东溢达纺织有限公司 | Modified cotton fiber as well as denim-effect fabric and preparation method thereof |
| CN104358152A (en) * | 2014-11-26 | 2015-02-18 | 四川省宜宾惠美线业有限责任公司 | Modified cellulose fibers |
| CN104358165A (en) * | 2014-11-26 | 2015-02-18 | 四川省宜宾惠美线业有限责任公司 | Cationic modified cellulose fibers |
| CN104452283B (en) * | 2014-11-26 | 2016-09-07 | 广东溢达纺织有限公司 | Modified cotton fiber, cowboy's effect cloth and preparation method thereof |
| CN108625197A (en) * | 2018-06-06 | 2018-10-09 | 常州纺织服装职业技术学院 | A method of improving cotton alkermes dye level |
| CN110016823A (en) * | 2018-11-14 | 2019-07-16 | 天和科技(香港)有限公司 | Multi-active base particle promotees dyeing technique |
| CN110845446A (en) * | 2019-11-08 | 2020-02-28 | 南通大学 | Preparation method and application of washing-free coagulant for pure cotton gloves |
| CN110845446B (en) * | 2019-11-08 | 2023-08-25 | 南通大学 | Preparation method and application of pure cotton glove washing-free coagulator |
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