CN103015239B - Polydimethyldiallylammonium chloride modified color fixing agent and preparation method thereof - Google Patents
Polydimethyldiallylammonium chloride modified color fixing agent and preparation method thereof Download PDFInfo
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Abstract
The invention provides a polydimethyldiallylammonium chloride modified color fixing agent and a preparation method thereof. The preparation method comprises the following steps: (1) adding a chelating agent and deionized water into a reaction kettle, starting agitating, heating for increasing the temperature; (2) when the temperature is increased to 60-80 DEG C, simultaneously dropwise adding dimethyldiallylammonium chloride, unsaturated ester, epoxy compound and initiator solution with the concentration of 1-10% into first to fourth elevated tanks in sequence, wherein the dripping time is controlled in the range of 0.5 to 2 hours, and the dripping temperature is controlled at 65-85 DEG C; and (3) after the dripping is finished, preserving the temperature for continuously reacting for 1 to 5 hours, adding deionized water according to the requirements of products so as to dilute, and evenly agitating to obtain the color fixing agent.
Description
Technical field
The invention belongs to field of fine chemical, particularly a kind of PDDA modification color-fixing agent and preparation method thereof.
Background technology
Cotton fiber (main composition structure is cellulose) is as one of four large natural fabrics (cotton, hair, silk, fiber crops), owing to certainly having the feel of good hygroscopicity, warmth retention property, comfortableness and softness in wearability aspect, and the feature such as cleaning and health care and degradable recycling, and be widely used.At present, the dyestuff for cotton fiber printing and dyeing comprises reducing dye, SULPHUR DYES, direct dyes and REACTIVE DYES etc.
REACTIVE DYES has that chromatogram is complete, bright in colour, price is lower and the plurality of advantages such as easy to use, has now become most widely used cotton dyestuff.But in dyeing and printing process process, the bonding reaction of REACTIVE DYES and cellulose fibre and hydrolysis are simultaneous, the existence of hydrolysis causes reactive dye color fixing rate relatively low, DYED FABRICS fastness to wet rubbing especially in, the fastness to wet rubbing of deep-colour fabric is lower, therefore fabric also carries out fixation treatment with color-fixing agent after Colour Difference.
In order to solve the poor problem of fastness to wet rubbing and color fastness to washing after Dyeing of Cotton Fabric with Reactive Dyes fabric, Devoting Major Efforts To Developing and use that chromatogram is complete, rational in infrastructure, just to reach the new reactive dyes that COLOR FASTNESS requires be most important approach to simple process.Although some Imported Dyestuffs can meet these features to a certain extent, expensive, and the fastness of part kind is undesirable.On the other hand, research and development new reactive dyes color-fixing agent, its performance is not merely used for set not by the hydrolised dye of eccysis with reduce loose colour, not because rheological parameters' change with time causes wet fastness to reduce, do not damage the vividness of REACTIVE DYES, and single effect and the compound action of washing, sweat chlorine, light etc. will be withstood, be even of value to these fastness improving reactive dyeing thing.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of PDDA modification color-fixing agent and preparation method thereof, this modification color-fixing agent can better improve fabric fastness to wet rubbing and color fastness to washing.
To achieve these goals, the present invention is by the following technical solutions:
A kind of PDDA modification color-fixing agent, the raw material components primarily of following mass fraction proportioning is made:
Wherein, described dimethyl diallyl ammonium chloride is the aqueous solution that mass percent concentration is about 60%.
Described beta-unsaturated esters is the mixture of one or more in methyl acrylate, ethyl acrylate, butyl acrylate, methyl methacrylate, ethyl methacrylate and butyl methacrylate.
Described epoxide is the mixture of one or more in allyl glycidyl ether, allyl polyethenoxy epoxy radicals ether, allyl polyethenoxy polyoxypropylene epoxy radicals ether, glycidyl acrylate and glycidyl methacrylate.
Described chelating agent is the mixture of one or more in sodium phosphate trimer, calgon, natrium citricum, sodium tartrate, gluconic acid sodium salt, disodium ethylene diamine tetraacetate, tetrasodium ethylenediamine tetraacetate, aminotriacetic acid sodium, cyclohexanediaminetetraacetic acid sodium and diethylene triamine pentacetic acid (DTPA) sodium.
Described initator is the mixture of one or more in ammonium persulfate, sodium peroxydisulfate and potassium peroxydisulfate.
A preparation method for PDDA modification color-fixing agent, is characterized in that: realize as follows:
(1) in reactor, add described chelating agent and the described deionized water of part, be mixed with the chelating agent solution that mass percent concentration is 5% ~ 35%, open and stir, and start heat temperature raising;
(2) when temperature rises to 60 ~ 80 DEG C, drip from four head tanks simultaneously, first head tank is described dimethyl diallyl ammonium chloride, second head tank is described beta-unsaturated esters, third high position groove is described epoxide, the initiator solution of the 4th head tank to be mass percent concentration be 1-10%, this initiator solution by described initator and the described deionized water of part formulated; Time for adding controls at 0.5 ~ 2 hour, and dropping temperature controls at 65 ~ 85 DEG C;
(3) drip rear maintenance temperature and continue reaction 1 ~ 5 hour, then add remaining described deionized water by product requirement and carry out being diluted to setting concentration, after stirring, obtain PDDA modification color-fixing agent.
Described beta-unsaturated esters is the mixture of one or more in methyl acrylate, ethyl acrylate, butyl acrylate, methyl methacrylate, ethyl methacrylate and butyl methacrylate.
Described epoxide is the mixture of one or more in allyl glycidyl ether, allyl polyethenoxy epoxy radicals ether, allyl polyethenoxy polyoxypropylene epoxy radicals ether, glycidyl acrylate and glycidyl methacrylate.
Described chelating agent is the mixture of one or more in sodium phosphate trimer, calgon, natrium citricum, sodium tartrate, gluconic acid sodium salt, disodium ethylene diamine tetraacetate, tetrasodium ethylenediamine tetraacetate, aminotriacetic acid sodium, cyclohexanediaminetetraacetic acid sodium and diethylene triamine pentacetic acid (DTPA) sodium.
Described initator is the mixture of one or more in ammonium persulfate, sodium peroxydisulfate and potassium peroxydisulfate.
Compared with prior art, the present invention has following remarkable result:
1. pass through to introducing ester bond, epoxy reaction group in color-fixing agent structure, " bridge formation " effect is played between fiber and dyestuff, can be cross-linked with the hydroxyl on the reactive group of dye molecule, cellulosic molecule, height of formation diversification interconnected system, what dyestuff was combined with fiber is more firm, thus significantly can improve the dry fastness of REACTIVE DYES, fastness to wet rubbing and color fastness to washing, and do not affect coloured light and the feel of product.
2. it is high that the color-fixing agent prepared by has dyefastness, dry wet fastness, Washing can be improved, little on responsive look coloured light impact, the advantages such as consumption is few, substantially form and aspect change is not produced during fixation, and formaldehydeless pollution, effectively reduce fabric formaldehyde content, promote the quality of fabric, there are wide market prospects.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is elaborated further.
A kind of PDDA modification color-fixing agent of the present invention, be made up of the raw material components of following mass fraction proportioning:
Wherein, described dimethyl diallyl ammonium chloride is the aqueous solution that mass percent concentration is about 60%.
Described beta-unsaturated esters is the mixture of one or more in methyl acrylate, ethyl acrylate, butyl acrylate, methyl methacrylate, ethyl methacrylate and butyl methacrylate.
Described epoxide is the mixture of one or more in allyl glycidyl ether, allyl polyethenoxy epoxy radicals ether, allyl polyethenoxy polyoxypropylene epoxy radicals ether, glycidyl acrylate and glycidyl methacrylate.Wherein, allyl polyethenoxy epoxy radicals ether is allyl capped polyethers, and Hangzhou Di Weilai trade Co., Ltd is on sale, specifically can sell webpage see it
http:// hangzhoudwl.cn.chemnet.com/show/pdetail--1417741.html.
Described chelating agent is the mixture of one or more in sodium phosphate trimer, calgon, natrium citricum, sodium tartrate, gluconic acid sodium salt, disodium ethylene diamine tetraacetate, tetrasodium ethylenediamine tetraacetate, aminotriacetic acid sodium, cyclohexanediaminetetraacetic acid sodium and diethylene triamine pentacetic acid (DTPA) sodium.
Described initator is the mixture of one or more in ammonium persulfate, sodium peroxydisulfate and potassium peroxydisulfate.
The preparation method of a kind of PDDA modification of the present invention color-fixing agent, realizes as follows:
(1) in reactor, add described chelating agent and the described deionized water of part, be mixed with the chelating agent solution that mass percent concentration is 5% ~ 35%, open and stir, and start heat temperature raising;
(2) when temperature rises to 60 ~ 80 DEG C, drip from four head tanks simultaneously, first head tank is described dimethyl diallyl ammonium chloride, second head tank is described beta-unsaturated esters, third high position groove is described epoxide, the initiator solution of the 4th head tank to be mass percent concentration be 1-10%, this initiator solution by described initator and the described deionized water of part formulated; Time for adding controls 0.5 ~ 2 hour (that is, controlling to drip speed makes it drip off at 0.5 ~ 2 hour), and dropping temperature controls at 65 ~ 85 DEG C;
(3) drip rear maintenance temperature and continue reaction 1 ~ 5 hour, then add remaining described deionized water by product requirement and carry out being diluted to setting concentration, after stirring, obtain PDDA modification color-fixing agent.
With specific embodiment, the present invention is described in detail below, but the present invention is not limited only to this.
Embodiment 1
A kind of PDDA modification color-fixing agent of the present invention, be made up of the raw material components of following mass fraction proportioning:
Dimethyl diallyl ammonium chloride: 350 kilograms
Methyl acrylate: 40 kilograms
Allyl glycidyl ether: 49 kilograms
Disodium ethylene diamine tetraacetate: 0.2 kilogram
Ammonium persulfate: 0.8 kilogram
Deionized water: 560 kilograms
Wherein, dimethyl diallyl ammonium chloride is the aqueous solution that mass percent concentration is about 60%.
The preparation method of a kind of PDDA modification of the present invention color-fixing agent, realizes as follows:
(1) in reactor, add 0.2 kilogram of described disodium ethylene diamine tetraacetate and 2 kilograms of described deionized waters, be mixed with disodium ethylene diamine tetra-acetic acid solution, open and stir, and start heat temperature raising.
(2) when temperature rises to 60 DEG C, drip from four head tanks simultaneously, first head tank is 350 kilograms of described dimethyl diallyl ammonium chlorides, second head tank is 40 kilograms of described methyl acrylates, third high position groove is 49 kilograms of described allyl glycidyl ethers, 4th head tank is 40 kilogram-mass percent concentrations is the ammonium persulfate solution of 2%, and it is formulated that this ammonium persulfate solution adds 39.2 kilograms of described deionized waters by 0.8 kilogram of described ammonium persulfate.Time for adding controls 1 hour (that is, controlling to drip speed makes it drip off at 1 hour), and dropping temperature controls at 65 DEG C.
(3) drip rear maintenance temperature and continue reaction 2 hours, then add remaining 518.8 kilograms of described deionized waters by product requirement and carry out being diluted to setting concentration, after stirring, obtain PDDA modification color-fixing agent.
Embodiment 2
A kind of PDDA modification color-fixing agent of the present invention, be made up of the raw material components of following mass fraction proportioning:
Dimethyl diallyl ammonium chloride: 400 kilograms
Ethyl acrylate: 10 kilograms
Allyl polyethenoxy epoxy radicals ether: 49 kilograms
Tetrasodium ethylenediamine tetraacetate: 0.4 kilogram
Ammonium persulfate: 0.6 kilogram
Deionized water: 540 kilograms.
Wherein, dimethyl diallyl ammonium chloride is the aqueous solution that mass percent concentration is about 60%.
The preparation method of a kind of PDDA modification of the present invention color-fixing agent, realizes as follows:
(1) in reactor, add 0.4 kilogram of described tetrasodium ethylenediamine tetraacetate and 2 kilograms of described deionized waters, be mixed with tetrasodium ethylenediamine tetraacetate solution, open and stir, and start heat temperature raising.
(2) when temperature rises to 65 DEG C, drip from four head tanks simultaneously, first head tank is 400 kilograms of described dimethyl diallyl ammonium chlorides, second head tank is 10 kilograms of described ethyl acrylates, third high position groove is 49 kilograms of described allyl polyethenoxy epoxy radicals ethers, 4th head tank to be 20 kilogram-mass percent concentrations be 3% sodium peroxydisulfate solution, it is formulated that this sodium peroxydisulfate solution adds 19.4 kilograms of described deionized waters by 0.6 kilogram of described ammonium persulfate.Time for adding controls 1.5 hours (that is, controlling to drip speed makes it drip off at 1.5 hours), and dropping temperature controls at 70 DEG C.
(3) drip rear maintenance temperature and continue reaction 3 hours, then add remaining 518.6 kilograms of described deionized waters by product requirement and carry out being diluted to setting concentration, after stirring, obtain PDDA modification color-fixing agent.
Embodiment 3
A kind of PDDA modification color-fixing agent of the present invention, be made up of the raw material components of following mass fraction proportioning:
Dimethyl diallyl ammonium chloride: 450 kilograms
Methyl methacrylate: 10 kilograms
Glycidyl methacrylate: 19 kilograms
Gluconic acid sodium salt: 0.5 kilogram
Potassium peroxydisulfate: 0.5 kilogram
Deionized water: 520 kilograms
Wherein, dimethyl diallyl ammonium chloride is the aqueous solution that mass percent concentration is about 60%.
The preparation method of a kind of PDDA modification of the present invention color-fixing agent, realizes as follows:
(1) in reactor, add 0.5 kilogram of described gluconic acid sodium salt and 2 kilograms of described deionized waters, be mixed with sodium gluconate solution, open and stir, and start heat temperature raising.
(2) when temperature rises to 75 DEG C, drip from four head tanks simultaneously, first head tank is 450 kilograms of described dimethyl diallyl ammonium chlorides, second head tank is 10 kilograms of described methyl methacrylates, third high position groove is 19 kilograms of described glycidyl methacrylate, 4th head tank is 25 kilogram-mass percent concentrations is the potassium persulfate solution of 2%, and it is formulated that this potassium persulfate solution adds 24.5 kilograms of described deionized waters by 0.5 kilogram of described potassium peroxydisulfate.Time for adding controls 2 hours (that is, controlling to drip speed makes it drip off at 2 hours), and dropping temperature controls at 85 DEG C.
(3) drip rear maintenance temperature and continue reaction 4 hours, then add remaining 493.5 kilograms of described deionized waters by product requirement and carry out being diluted to setting concentration, after stirring, obtain PDDA modification color-fixing agent.
Embodiment 4
A kind of PDDA modification color-fixing agent of the present invention, be made up of the raw material components of following mass fraction proportioning:
Dimethyl diallyl ammonium chloride: 460 kilograms
Ethyl methacrylate: 18 kilograms
Glycidyl acrylate: 3.6 kilograms
Sodium phosphate trimer: 0.6 kilogram
Initator: 1.8 kilograms
Deionized water: 516 kilograms
Wherein, dimethyl diallyl ammonium chloride is the aqueous solution that mass percent concentration is about 60%; Initator adopts the mixture of ammonium persulfate and sodium peroxydisulfate, and the mass ratio of ammonium persulfate and sodium peroxydisulfate is 1:1, that is, the consumption of ammonium persulfate and sodium peroxydisulfate is 0.9 kilogram.
The preparation method of a kind of PDDA modification of the present invention color-fixing agent, realizes as follows:
(1) in reactor, add 0.6 kilogram of described sodium phosphate trimer and 2 kilograms of described deionized waters, be mixed with sodium tripolyphosphate solution, open and stir, and start heat temperature raising.
(2) when temperature rises to 65 DEG C, drip from four head tanks simultaneously, first head tank is 460 kilograms of described dimethyl diallyl ammonium chlorides, second head tank is 18 kilograms of described ethyl methacrylate, third high position groove is 3.6 kilograms of described glycidyl acrylates, 4th head tank is 36 kilogram-mass percent concentrations is the initiator solution of 5%, and this initiator solution is formulated by 0.9 kilogram of described ammonium persulfate, 0.9 kilogram of described sodium peroxydisulfate and 34.2 kilograms of described deionized waters.Time for adding controls 1.5 hours (that is, controlling to drip speed makes it drip off at 1.5 hours), and dropping temperature controls at 70 DEG C.
(3) drip rear maintenance temperature and continue reaction 2.5 hours, then add remaining 479.8 kilograms of described deionized waters by product requirement and carry out being diluted to setting concentration, after stirring, obtain PDDA modification color-fixing agent.
Embodiment 5
A kind of PDDA modification color-fixing agent of the present invention, be made up of the raw material components of following mass fraction proportioning:
Dimethyl diallyl ammonium chloride: 470 kilograms
Butyl acrylate: 6 kilograms
Glycidyl methacrylate: 8.6 kilograms
Natrium citricum: 0.8 kilogram
Initator: 2.6 kilograms
Deionized water: 512 kilograms
Wherein, dimethyl diallyl ammonium chloride is the aqueous solution that mass percent concentration is about 60%; Initator adopts the mixture of ammonium persulfate and potassium peroxydisulfate, and the mass ratio of ammonium persulfate and potassium peroxydisulfate is 1:1, that is, the consumption of ammonium persulfate and potassium peroxydisulfate is 1.3 kilograms.
The preparation method of a kind of PDDA modification of the present invention color-fixing agent, realizes as follows:
(1) in reactor, add 0.8 kilogram of described natrium citricum and 2 kilograms of described deionized waters, be mixed with sodium citrate solution, open and stir, and start heat temperature raising.
(2) when temperature rises to 65 DEG C, drip from four head tanks simultaneously, first head tank is 470 kilograms of described dimethyl diallyl ammonium chlorides, second head tank is 6 kilograms of described butyl acrylates, third high position groove is 8.6 kilograms of described glycidyl methacrylate, 4th head tank is 32.5 kilogram-mass percent concentrations is the initiator solution of 8%, and this initiator solution is formulated by 1.3 kilograms of described ammonium persulfates, 1.3 kilograms of described potassium peroxydisulfates and 29.9 kilograms of described deionized waters.Time for adding controls 2 hours (that is, controlling to drip speed makes it drip off at 2 hours), and dropping temperature controls at 70 DEG C.
(3) drip rear maintenance temperature and continue reaction 4 hours, then add remaining 480.1 kilograms of described deionized waters by product requirement and carry out being diluted to setting concentration, after stirring, obtain PDDA modification color-fixing agent.
Embodiment 6
A kind of PDDA modification color-fixing agent of the present invention, be made up of the raw material components of following mass fraction proportioning:
Dimethyl diallyl ammonium chloride: 480 kilograms
Beta-unsaturated esters: 5.2 kilograms
Epoxide: 3 kilograms
Sodium tartrate: 0.9 kilogram
Initator: 2.9 kilograms
Deionized water: 508 kilograms
Wherein:
Dimethyl diallyl ammonium chloride is the aqueous solution that mass percent concentration is about 60%;
Beta-unsaturated esters adopts the mixture of methyl acrylate and methyl methacrylate, and the mass ratio of methyl acrylate and methyl methacrylate is 1:1, that is, the consumption of methyl acrylate and methyl methacrylate is 2.6 kilograms;
Epoxide adopts the mixture of allyl glycidyl ether and glycidyl acrylate, and the mass ratio of allyl glycidyl ether and glycidyl acrylate is 1:1, that is, the consumption of allyl glycidyl ether and glycidyl acrylate is 1.5 kilograms;
Initator adopts the mixture of sodium peroxydisulfate and potassium peroxydisulfate, and the mass ratio of sodium peroxydisulfate and potassium peroxydisulfate is 1:1, that is, the consumption of sodium peroxydisulfate and potassium peroxydisulfate is 1.45 kilograms.
The preparation method of a kind of PDDA modification of the present invention color-fixing agent, realizes as follows:
(1) in reactor, add 0.9 kilogram of described sodium tartrate and 2 kilograms of described deionized waters, be mixed with sodium tartrate solution, open and stir, and start heat temperature raising.
(2) when temperature rises to 75 DEG C, drip from four head tanks simultaneously, first head tank is 480 kilograms of described dimethyl diallyl ammonium chlorides, second head tank is the mixture of 2.6 kilograms of described methyl acrylates and 2.6 kilograms of described methyl methacrylates, third high position groove is the mixture of 1.5 kilograms of described allyl glycidyl ethers and 1.5 kilograms of described glycidyl acrylates, 4th head tank is 58 kilogram-mass percent concentrations is the initiator solution of 5%, this initiator solution is by 1.45 kilograms of described sodium peroxydisulfates, the described deionized water of 1.45 kilograms of described potassium peroxydisulfates and 55.1 kilograms is formulated.Time for adding controls 1.5 hours (that is, controlling to drip speed makes it drip off at 1.5 hours), and dropping temperature controls at 80 DEG C.
(3) drip rear maintenance temperature to continue anti-4.5 hours, then add remaining 450.9 kilograms of described deionized waters by product requirement and carry out being diluted to setting concentration, after stirring, obtain PDDA modification color-fixing agent.
The color-fixing agent that above-described embodiment 1 ~ 6 synthesizes is processed respectively reactive scarlet 3G dye after COTTON FABRIC, adopt the solid technique of leaching, color-fixing agent consumption is 2%(o.w.f), pH is 6 ~ 7, and temperature is 60 DEG C, and the time is 30min, abundantly compares 1:12.Main performance index after COTTON FABRIC fixation is as shown in table 1.
The main performance index of table 1 COTTON FABRIC after above-described embodiment 1 ~ 6 fixation treatment
Remarks:
1. crock fastness method of testing presses GB/T3920-2008 " textile color stability test colour fastness to rubbing " method mensuration;
2. soaping fastness method of testing presses GB/T3921-2008 " textile color stability test color fastness to washing " method mensuration;
3. sweat leaching fastness method of testing presses GB/T5713-1997 " textile color stability test color fastness to water " method mensuration.
4. color-fixing agent 7 is PDDA, is produced by Fujian Qingyuan Technology Co., Ltd., and concentration is 30%.
Claims (6)
1. a PDDA modification color-fixing agent, is characterized in that: be made up of the raw material components of following mass fraction proportioning:
Dimethyl diallyl ammonium chloride 35% ~ 49%
Beta-unsaturated esters 0.25% ~ 6%
Epoxide 0.25% ~ 6%
Chelating agent 0.02% ~ 0.2%
Initator 0.02% ~ 0.3%
Deionized water 50% ~ 58%
Wherein, described dimethyl diallyl ammonium chloride is the aqueous solution that mass percent concentration is about 60%;
Described beta-unsaturated esters is the mixture of one or more in methyl acrylate, ethyl acrylate, butyl acrylate, methyl methacrylate, ethyl methacrylate and butyl methacrylate;
Described epoxide is the mixture of one or more in allyl glycidyl ether, allyl polyethenoxy epoxy radicals ether, allyl polyethenoxy polyoxypropylene epoxy radicals ether, glycidyl acrylate and glycidyl methacrylate.
2. a kind of PDDA modification color-fixing agent according to claim 1, is characterized in that: described chelating agent is the mixture of one or more in sodium phosphate trimer, calgon, natrium citricum, sodium tartrate, gluconic acid sodium salt, disodium ethylene diamine tetraacetate, tetrasodium ethylenediamine tetraacetate, aminotriacetic acid sodium, cyclohexanediaminetetraacetic acid sodium and diethylene triamine pentacetic acid (DTPA) sodium.
3. a kind of PDDA modification color-fixing agent according to claim 1, is characterized in that: described initator is the mixture of one or more in ammonium persulfate, sodium peroxydisulfate and potassium peroxydisulfate.
4. prepare the method for a kind of PDDA modification color-fixing agent as claimed in claim 1, it is characterized in that: realize as follows:
(1) in reactor, add described chelating agent and the described deionized water of part, be mixed with the chelating agent solution that mass percent concentration is 5% ~ 35%, open and stir, and start heat temperature raising;
(2) when temperature rises to 60 ~ 80 DEG C, drip from four head tanks simultaneously, first head tank is described dimethyl diallyl ammonium chloride, second head tank is described beta-unsaturated esters, third high position groove is described epoxide, the initiator solution of the 4th head tank to be mass percent concentration be 1-10%, this initiator solution by described initator and the described deionized water of part formulated; Time for adding controls at 0.5 ~ 2 hour, and dropping temperature controls at 65 ~ 85 DEG C;
(3) drip rear maintenance temperature and continue reaction 1 ~ 5 hour, then add remaining described deionized water by product requirement and carry out being diluted to setting concentration, after stirring, obtain PDDA modification color-fixing agent.
5. the preparation method of a kind of PDDA modification color-fixing agent according to claim 4, is characterized in that: described chelating agent is the mixture of one or more in sodium phosphate trimer, calgon, natrium citricum, sodium tartrate, gluconic acid sodium salt, disodium ethylene diamine tetraacetate, tetrasodium ethylenediamine tetraacetate, aminotriacetic acid sodium, cyclohexanediaminetetraacetic acid sodium and diethylene triamine pentacetic acid (DTPA) sodium.
6. the preparation method of a kind of PDDA modification color-fixing agent according to claim 4, is characterized in that: described initator is the mixture of one or more in ammonium persulfate, sodium peroxydisulfate and potassium peroxydisulfate.
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| CN101619117A (en) * | 2008-07-03 | 2010-01-06 | 上海雅运纺织助剂有限公司 | Formaldehyde-free color fixing agent for reactive dyes and preparation method and application thereof |
| CN101705632A (en) * | 2009-11-30 | 2010-05-12 | 建德市白沙化工有限公司 | Cationic high-molecular low-temperature self-crosslinking formaldehyde-free color fixing agent and preparation method thereof |
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| CN102797170B (en) * | 2012-09-06 | 2014-08-13 | 苏州联胜化学有限公司 | Formaldehyde-free fixing agent and preparation method thereof |
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| CN101619117A (en) * | 2008-07-03 | 2010-01-06 | 上海雅运纺织助剂有限公司 | Formaldehyde-free color fixing agent for reactive dyes and preparation method and application thereof |
| CN101705632A (en) * | 2009-11-30 | 2010-05-12 | 建德市白沙化工有限公司 | Cationic high-molecular low-temperature self-crosslinking formaldehyde-free color fixing agent and preparation method thereof |
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