CN104963219B - The method for improving dye-uptake and degree of fixation of the reactive dye on bombax cotton - Google Patents
The method for improving dye-uptake and degree of fixation of the reactive dye on bombax cotton Download PDFInfo
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- CN104963219B CN104963219B CN201510400734.3A CN201510400734A CN104963219B CN 104963219 B CN104963219 B CN 104963219B CN 201510400734 A CN201510400734 A CN 201510400734A CN 104963219 B CN104963219 B CN 104963219B
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- 239000000985 reactive dye Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 27
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 122
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 99
- 229920000642 polymer Polymers 0.000 claims abstract description 55
- 239000000835 fiber Substances 0.000 claims abstract description 49
- 238000013329 compounding Methods 0.000 claims abstract description 22
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 24
- 239000003795 chemical substances by application Substances 0.000 claims description 20
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
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- 238000006243 chemical reaction Methods 0.000 claims description 14
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- 244000146553 Ceiba pentandra Species 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical class NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 6
- 238000007865 diluting Methods 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 5
- ICAKDTKJOYSXGC-UHFFFAOYSA-K lanthanum(iii) chloride Chemical compound Cl[La](Cl)Cl ICAKDTKJOYSXGC-UHFFFAOYSA-K 0.000 claims description 5
- 238000005470 impregnation Methods 0.000 claims description 4
- 150000001412 amines Chemical class 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- 239000000975 dye Substances 0.000 description 42
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- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 14
- 239000000463 material Substances 0.000 description 12
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- 239000011780 sodium chloride Substances 0.000 description 9
- 229910000029 sodium carbonate Inorganic materials 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 6
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- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 3
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Abstract
Method the present invention relates to improve dye-uptake and degree of fixation of the reactive dye on bombax cotton, including configuration two steps of hyperbranched rare earth mordant and hyperbranched RE-treated fiber, wherein first step also includes preparing rare earth compounding, dissaving polymer synthesis, hyperbranched rare earth three steps of configuration.Compared with prior art, the present invention can improve dyeability of the reactive dye to bombax cotton, so as to improve dye-uptake and degree of fixation of the reactive dye on bombax cotton.
Description
Technical field
The present invention relates to the modified and colouring method of textile fabric, reactive dye are improved more particularly, to one kind fine in kapok
The method of dye-uptake and degree of fixation in dimension.
Background technology
Bombax cotton is a kind of cellulose fibre of small kind, is not yet developed in garment industry, is characterized in bombax cotton
Degree of hollowness reach 87%, be good heat-insulating heat-preserving material, and with the effect of natural antibacterial except mite, with opening well
Hair prospect, and the potentiality as high-grade clothing.But because the dyeability of bombax cotton is poor, spinnability is poor, it is limited in clothes
The development in field.
Bombax cotton is the fiber that a kind of megaphanerophyte fruit inwall of falling leaves is produced, similar to cotton fiber, is a kind of natural fibre
Cellulose fiber, probably there is 180 kinds on earth, and the torrid zone and subtropical zone are originated in extensively.Bombax cotton is one-celled plants,
The total length of 8~32mm, its fineness only has 1/2 cotton, is most thin fiber in natural fiber, but the degree of hollowness of bombax cotton reaches
More than 80%, it is 2-3 times of cotton fiber.
Bombax cotton has great difference with other native cellulose fibres on composition and structure.With the transverse direction of cotton fiber
And longitudinal comparison, bombax cotton cross section is circular or oval, big-and-middle cavity wall, close to transparent, 15 μm of left sides of degree of hollowness diameter
The right side, degree of hollowness is the maximum natural fiber of degree of hollowness more than 80%, and this property can make the kapok have good warmth retention property.
In performance, bombax cotton have insulation, heat-insulated, Yi Gan, strong buoyancy the features such as.Advocating today of natural, environment-friendly plus material, it is right
Exploitation of the bombax cotton on dress ornament field seem quite important.Studied through relevant scholar expert, the spinning of bombax cotton
Technology is resolved, but the defect of bombax cotton dyeability difference removes this seminar related personnel, and research is very few both at home and abroad, not
See and have been reported that.
The rare earth resources of China are richly endowed by nature, and either the type of reserves or ore deposit is all substantially better than other countries.According to
Report, the rare earth reserves of China account for 80% or so of the total reserves of global rare earth.Particularly recent years, the hair of rare-earth industry
Exhibition is advanced by leaps and bounds, and the application of rare earth has been deep into the every field of industrial and agricultural production, and the product of rare earth application has entered people people's
Among daily life.Rare earth residing status also more and more higher in Chinese national economy construction.
Since 1979, application development of the rare earth in textile fabric dyeing is very fast.First by first mao of Inner Mongol
Primary Study has been done in application of the textile mills to rare earth in pure wool yarn dyeing.Then, the Institute of Metallurgical Technology of many provinces and cities, weaving
Application of the rare earth in different stock-dyes and the research work in terms of mechanism have been done by some institution of higher learning in one's power for research.To current
It is to rare earth has obtained different degrees of answering in the dyeing of the fibers such as wool, silk, eyeball synthetic fibre, terylene, polyamide fibre, cotton, fiber crops
With.
Result of study shows:Using rare earth as dyeing assistant in dyeing course, not only larger economic benefit, and
And have preferable social benefit.It is mainly shown as:Using a small amount of rare earth as dyeing assistant, it is possible to reduce the consumption of dyestuff and its
The kind and consumption of his dyeing assistant, shortens dyeing time, reduces dyeing temperature, improves the color fastness and color of dyeing product
Vividness, soft, even dyeing.But alone rare earth, used as dyeing assistant, it improves the limited in one's ability of Color.
Dissaving polymer is the macromolecular of the highly branched D structure with three-dimensional elliptical shape of a class, surface enrichment
A large amount of end groups make it have preferably reactivity, its internal porous, can with chelating ion, adsorb small molecule, while having
The features such as high-dissolvability, low viscosity, simple synthetic method.Its agricultural, medicine, liquid crystal, functional material, life science,
There are extensive research and application in the fields such as cosmetics, coating, paint.
Thick ability of Xu etc. pre-processes the amine dendrimer PAMAM of low algebraically polyamide one to cotton fiber, can be effective
Ground promotes the upper dye of direct dyes, increases dye-uptake, can even exceed after the direct dyeing of part and use NaCl to promote to contaminate
The traditional dyeing fabric face depth of agent.
Peak etc. is opened using dissaving polymer HBP-NH2 treatment cotton fibers, effectively raises being contaminated in activity for cotton fiber
Dye-uptake in material, realizes salt-free dyeing.
Open special structure and abundant Amino End Group and imino group that roc etc. has using dissaving polymer, modified bamboo
Pulp fibres, are dyeed using reactive dye salt-free, and it is suitable with untreated bamboo pulp fiber that K/S values improve upper dyefastness.
Have been reported that rare earth and organic phenol halide complex before, dyestuff can be improved in fiber as a kind of accelerant
On dye uptake, but organic phenol halide is a kind of material for having disabled, and does not have novelty in this way, category
In superseded row.Dissaving polymer is a kind of polymer of novel environment friendly, is described as macromolecular material of new generation.Hyperbranched poly
Compound has the D structure of three-dimensional elliptical shape, and abundant amino, imido grpup etc. are contained in its end group surface.Can be by hyperbranched poly
Polymer modified bombax cotton, rush dye effect is played to fiber, so as to improve the dye uptake of bombax cotton.Rare earth is used as infiltration
Agent or diffusant have played Main Function, dyestuff is strengthened to the ability that fibrous inside spreads.Therefore rare earth or super is used alone
Branched polymer can improve the dye uptake of bombax cotton.But bombax cotton is limited to the adsorbance of rare earth, if will be super
Branched additives are used cooperatively with rare earth, by further dye-uptake of the lifting reactive dye on bombax cotton.
Dissaving polymer auxiliary agent is used cooperatively with rare-earth additive, and the application on stock-dye effect is improved there are no
Report, and as a kind of mordant, report is had no to being applied in bombax cotton dyeability, more reactive dye are improved.
Chinese patent CN102561065A discloses one kind rare earth and improves bombax cotton reactive dye dye-uptake and fixation
The method of rate, is pre-processed using rare earth element and its complex to bombax cotton, and it is contaminated with reactive dye then
Color, but it is not open using dissaving polymer auxiliary agent in the patent, rare earth element is only used with organic acid to kapok
Fiber is modified, modified dyestuff dye-uptake thereon and degree of fixation only 70% or so.Actually using rare earth-
There is certain defect in the method for organic acid, fiber is limited to the adsorbance of fiber, and part has been inhaled in dyeing
The rare earth being attached on fiber can be desorbed into dye liquor, with dye liquor in dyestuff complexing and reduce dye-uptake of the dyestuff on fiber.
The content of the invention
The purpose of the present invention is exactly that a kind of improvement reactive dye are provided for the defect for overcoming above-mentioned prior art to exist
To the dyeability of bombax cotton, the method for improving dye-uptake and degree of fixation of the reactive dye on bombax cotton.
The purpose of the present invention can be achieved through the following technical solutions：
The method for improving dye-uptake and degree of fixation of the reactive dye on bombax cotton, using following steps：
(1) hyperbranched rare earth mordant is configured
(1-1) prepares rare earth compounding；
(1-2) dissaving polymer synthesizes：The methanol solution of methyl acrylate is added drop-wise to two sub- second under condition of ice bath
In base triamine, the presoma that 10~18h of stirring reaction is synthesized recycles Rotary Evaporators true in circulating water type vacuum pumping
Sky, temperature control is in 60 DEG C, back flow reaction 1 hour；Temperature is risen to 100 DEG C, 120 DEG C, 140 DEG C of each reactions 0.5~1.5 successively
Hour, obtain dissaving polymer；
(1-3) hyperbranched rare earth configuration：To rare earth compounding is slowly added dropwise in dissaving polymer, at 50~100 DEG C
Under the conditions of constant temperature 45~100min of stirring at low speed, obtain hyperbranched rare earth mordant；
(2) hyperbranched RE-treated fiber
In bath raio 1:Under conditions of 10~100, add penetrating agent JFC 2g/L, under conditions of 40 DEG C by preceding treatment after
Bombax cotton processes 30~40min in impregnating hyperbranched earth solution, the consumption of hyperbranched rare earth to 0.1~3wt% of fibre weight,
Dried after washing, obtain hyperbranched rare earth modified bombax cotton.
Prepare rare earth compounding and use following steps：Using dissolving with hydrochloric acid lanthana, then it is evaporated treatment and goes water removal
Point, finally using oven for drying.
Preparing rare earth compounding can also use following steps：Using distilled water diluting lanthanum chloride, then adjust pH value for 9~
13。
Methyl acrylate and the mass ratio of diethylenetriamines are 8-9 in step (1-2):9-15.
Dissaving polymer and the weight ratio of rare earth compounding are 1 in step (1-3):1-1:8, temperature is preferably 60 DEG C,
Reaction time is preferably 60min.
Compared with prior art, the present invention is by using cooperatively dissaving polymer auxiliary agent and rare-earth additive, can be with
Reactive dye are improved to bombax cotton dyeability.Dissaving polymer HBP-NH2D structure with three-dimensional elliptical shape
Contain abundant amino, imido grpup isoreactivity group in macromolecular, its end group surface.The active group that it is rich in is made with rare earth element
With, the hyperbranched rare earth polymer containing a large amount of rare earth elements can be obtained, so as to bombax cotton treatment after in fiber surface band
There is substantial amounts of rare earth element, by the complexing with dyestuff dyestuff can be made to be diffused into fibrous inside simultaneously by solution in upper dye
It is bonded in fiber, so as to improve dye-uptake of the dyestuff on fiber i.e. degree of fixation.
Rare-earth usage is excessive when rare earth is pre-processed, and the degradation of dye-uptake and degree of fixation will be caused during dyeing.Using super
The active group that branched polymer is rich in is acted on rare earth element, and a large amount of rare earth elements can be taken to the table of fiber in pretreatment
Face, and due to dissaving polymer and the complexing of rare earth, can effectively prevent rare earth element from entering dye liquor in dyeing, profit
Dye-uptake of the reactive dye on bombax cotton can be brought up to nearly 90%, degree of fixation by original 30% or so with the method
Nearly 90% is brought up to by original 25%.
Specific embodiment
The method for improving dye-uptake and degree of fixation of the reactive dye on bombax cotton, using following steps：
(1) hyperbranched rare earth mordant is configured
(1-1) prepares rare earth compounding：Using dissolving with hydrochloric acid lanthana, then it is evaporated treatment and removes moisture removal, finally
Using oven for drying；Or distilled water diluting lanthanum chloride is utilized, then it is 9~13 to adjust pH value；
(1-2) dissaving polymer synthesizes：The methanol solution of methyl acrylate is added drop-wise to two sub- second under condition of ice bath
In base triamine, methyl acrylate is 8-9 with the mass ratio of diethylenetriamines:9-15,10~18h of stirring reaction is synthesized
Presoma, recycles Rotary Evaporators to be vacuumized in circulating water type vavuum pump, and temperature control is in 60 DEG C, back flow reaction 1 hour；Will
Temperature rises to 100 DEG C successively, and 120 DEG C, 140 DEG C are respectively reacted 0.5~1.5 hour, obtain dissaving polymer；
(1-3) hyperbranched rare earth configuration：To being slowly added dropwise rare earth compounding in dissaving polymer, dissaving polymer with
The weight ratio of rare earth compounding is 1:1-1:8, the constant temperature low speed 60min under conditions of 60 DEG C, obtain hyperbranched rare earth mordant；
(2) hyperbranched RE-treated fiber
In bath raio 1:Under conditions of 10~100, add penetrating agent JFC 2g/L, under conditions of 40 DEG C by preceding treatment after
Bombax cotton processes 30~40min in impregnating hyperbranched earth solution, the consumption of hyperbranched rare earth to 0.1~3wt% of fibre weight,
Dried after washing, obtain hyperbranched rare earth modified bombax cotton.
Colouring method
Prepare dye liquor：Dyestuff input amount is to the 0.5~2% of fibre weight, appropriate sodium chloride, penetrating agent JFC 2g/L, bath raio
1：10~100.
Dyeing：Hyperbranched rare earth modified bombax cotton is put into above-mentioned dye liquor, normal temperature adds alkali after dyeing 30~60 minutes
Agent fixation 30~100 minutes.
The allocation ratio of rare-earth additive, consumption and dye dosage
(1) configuration proportion of hyperbranched rare earth：The ratio of dissaving polymer and rare earth chloride：1:1~1:8；
(2) consumption of hyperbranched rare earth：To fibre weight 0.1~3%；
(3) dye dosage：To the 0.5~2% of fibre weight.
With reference to specific embodiment, the present invention is described in detail.
Embodiment 1
Dye-uptake and degree of fixation of the reactive dye on undressed bombax cotton
Take reactive dye NOVACRON DARK BLUE S-GL2% (to fibre weight), sodium chloride 20g/L, bath raio 1:100,
It is put into normal temperature type dye model machine and is heated to 60 DEG C, input is dyeed 60 minutes by kapok, input 10g/L sodium carbonate fixation 60 minutes.Dyeing
After the completion of take out bombax cotton washing, drying, determine reactive dye degree of fixation.
Result of implementation：Dye-uptake 32%, degree of fixation 25%
Embodiment 2
Dye-uptake and degree of fixation of the reactive dye on the bombax cotton after being processed through dissaving polymer
Dissaving polymer 1g/L, bath raio 1:100, penetrating agent JFC 2g/L, under conditions of 40 DEG C by preceding treatment after
Bombax cotton processes 40min in impregnating hyperbranched solution, is dried after washing；
Take reactive dye NOVACRON DARK BLUE S-GL2% (to fibre weight), sodium chloride 20g/L, bath raio 1:100,
It is put into normal temperature type dye model machine and is heated to 60 DEG C, input is dyeed 60 minutes through the bombax cotton after dissaving polymer treatment, input
10g/L sodium carbonate fixation 60 minutes.The degree of fixation for bombax cotton washing, drying are taken out after the completion of dyeing, determining reactive dye.
Result of implementation：Dye-uptake 50%, degree of fixation 36%
Embodiment 3
Dye-uptake and degree of fixation of the reactive dye on the bombax cotton after through RE-treated
Rare earth chloride 0.2g/L, bath raio 1:100, penetrating agent JFC 2g/L, by the wood after preceding treatment under conditions of 40 DEG C
40min is processed in cotton fiber dipping re chloride, is dried after washing；
Take reactive dye NOVACRON DARK BLUE S-GL2% (to fibre weight), sodium chloride 20g/L, bath raio 1:100,
It is put into normal temperature type dye model machine and is heated to 60 DEG C, input is dyeed 60 minutes through the bombax cotton after rare earth chloride treatment, puts into 10g/
L sodium carbonate fixation 60 minutes.The degree of fixation for bombax cotton washing, drying are taken out after the completion of dyeing, determining reactive dye.
Result of implementation：Dye-uptake 55%, degree of fixation 36%
Embodiment 4
Through hyperbranched rare earth, (ratio of dissaving polymer and rare earth chloride presses 1 to bombax cotton:1) the activity dye after processing
Material dye-uptake and degree of fixation
Dissaving polymer concentration 2g/L, during rare earth chloride concentration 4g/L, 1:1 prepares, and takes hyperbranched rare earth 0.5%, bathes
Than 1:100, penetrating agent JFC 2g/L, during the bombax cotton after preceding treatment is impregnated into hyperbranched earth solution under conditions of 40 DEG C
Treatment 40min, dries after washing.
Reactive dye dyestuff NOVACRON DARK BLUE S-GL input amounts 2% (to fibre weight), sodium chloride 20g/L, alkali
60 DEG C of agent sodium carbonate 10g/L, dyeing time 60 minutes, 60 minutes fixation time, dyeing and color fixing temperature.
Result of implementation：Dye-uptake 63%, degree of fixation 47%.
Embodiment 5
Through hyperbranched rare earth, (ratio of dissaving polymer and rare earth chloride presses 1 to bombax cotton:1) the activity dye after processing
Material dye-uptake and degree of fixation
Dissaving polymer concentration 2g/L, during rare earth chloride concentration 4g/L, 1:1 prepares, and takes hyperbranched rare earth 1%, bath raio
1:100, penetrating agent JFC 2g/L, locate during the bombax cotton after preceding treatment is impregnated into hyperbranched earth solution under conditions of 40 DEG C
Reason 40min, dries after washing.
Reactive dye dyestuff NOVACRON DARK BLUE S-GL input amounts 2% (to fibre weight), sodium chloride 20g/L, alkali
60 DEG C of agent sodium carbonate 10g/L, dyeing time 60 minutes, 60 minutes fixation time, dyeing and color fixing temperature.
Result of implementation：Dye-uptake 88%, degree of fixation 79%.
Embodiment 6
Through hyperbranched rare earth, (ratio of dissaving polymer and rare earth chloride presses 1 to bombax cotton:3) the activity dye after processing
Material dye-uptake and degree of fixation
Dissaving polymer concentration 2g/L, during rare earth chloride concentration 4g/L, 1:3 prepare, and take hyperbranched rare earth 2%, bath raio
1:100, penetrating agent JFC 2g/L, locate during the bombax cotton after preceding treatment is impregnated into hyperbranched earth solution under conditions of 40 DEG C
Reason 40min, dries after washing.
Reactive dye dyestuff NOVACRON DARK BLUE S-GL input amounts 2% (to fibre weight), sodium chloride 20g/L, alkali
60 DEG C of agent sodium carbonate 10g/L, dyeing time 60 minutes, 60 minutes fixation time, dyeing and color fixing temperature.
Result of implementation：Dye-uptake 77%, degree of fixation 70%.
Embodiment 7
Through hyperbranched rare earth, (ratio of dissaving polymer and rare earth chloride presses 1 to bombax cotton:4) the activity dye after processing
Material dye-uptake and degree of fixation
Hyperbranched rare earth is prepared by the content of the invention (1), and wherein dissaving polymer and the allocation ratio of rare earth chloride is 1:
4, fiber is processed by the content of the invention (2), reactive dye dyestuff NOVACRON DARK BLUE S-GL press the content of the invention
(3) (handling process is same as Example 2 with dyeing) is dyeed, the dye-uptake and degree of fixation of dyestuff is determined.
Result of implementation：Dye-uptake 64.14%, degree of fixation 54.12%.
Embodiment 8
Through hyperbranched rare earth, (ratio of dissaving polymer and rare earth chloride presses 1 to bombax cotton:5) the activity dye after processing
Material dye-uptake and degree of fixation
Hyperbranched rare earth is prepared by the content of the invention (1), and wherein dissaving polymer and the allocation ratio of rare earth chloride is 1:
5, fiber is processed by the content of the invention (2), reactive dye dyestuff NOVACRON DARK BLUE S-GL press the content of the invention
(3) (handling process is same as Example 2 with dyeing) is dyeed, the dye-uptake and degree of fixation of dyestuff is determined.
Result of implementation：Dye-uptake 58%, degree of fixation 40%.
Embodiment 9
Through hyperbranched rare earth, (ratio of dissaving polymer and rare earth chloride presses 1 to bombax cotton:1) the activity dye after processing
Material dye-uptake and degree of fixation
Dissaving polymer concentration 2g/L, during rare earth chloride concentration 4g/L, 1:1 prepares, and takes hyperbranched rare earth 1.5%, bathes
Than 1:100, penetrating agent JFC 2g/L, during the bombax cotton after preceding treatment is impregnated into hyperbranched earth solution under conditions of 40 DEG C
Treatment 40min, dries after washing.
Reactive dye dyestuff NOVACRON DARK BLUE S-GL input amounts 2% (to fibre weight), sodium chloride 20g/L, alkali
60 DEG C of agent sodium carbonate 10g/L, dyeing time 60 minutes, 60 minutes fixation time, dyeing and color fixing temperature.
Result of implementation：Dye-uptake 85%, degree of fixation 74%.
Embodiment 10
The method for improving dye-uptake and degree of fixation of the reactive dye on bombax cotton, using following steps：
(1) hyperbranched rare earth mordant is configured
(1-1) prepares rare earth compounding：Using dissolving with hydrochloric acid lanthana, then it is evaporated treatment and removes moisture removal, finally
Using oven for drying；
(1-2) dissaving polymer synthesizes：The methanol solution of methyl acrylate is added drop-wise to two sub- second under condition of ice bath
In base triamine, methyl acrylate is 8 with the mass ratio of diethylenetriamines:9, the presoma that stirring reaction 10h is synthesized, then
Vacuumized in circulating water type vavuum pump using Rotary Evaporators, temperature control is in 60 DEG C, back flow reaction 1 hour；By temperature successively
100 DEG C are risen to, 120 DEG C, 140 DEG C are respectively reacted 0.5 hour, obtain dissaving polymer；
(1-3) hyperbranched rare earth configuration：To being slowly added dropwise rare earth compounding in dissaving polymer, dissaving polymer with
The weight ratio of rare earth compounding is 1:1, the constant temperature low speed 60min under conditions of 60 DEG C, obtain hyperbranched rare earth mordant；
(2) hyperbranched RE-treated fiber
In bath raio 1:Under conditions of 10, penetrating agent JFC 2g/L is added, by the kapok after preceding treatment under conditions of 40 DEG C
30min is processed in the hyperbranched earth solution of fiber impregnation, the consumption of hyperbranched rare earth is dried to fibre weight 0.1wt% after washing,
Obtain hyperbranched rare earth modified bombax cotton.
Embodiment 11
The method for improving dye-uptake and degree of fixation of the reactive dye on bombax cotton, using following steps：
(1) hyperbranched rare earth mordant is configured
(1-1) prepares rare earth compounding：Using distilled water diluting lanthanum chloride, then it is 9 to adjust pH value；
(1-2) dissaving polymer synthesizes：The methanol solution of methyl acrylate is added drop-wise to two sub- second under condition of ice bath
In base triamine, methyl acrylate is 8 with the mass ratio of diethylenetriamines:13, the presoma that stirring reaction 12h is synthesized,
Rotary Evaporators are recycled to be vacuumized in circulating water type vavuum pump, temperature control is in 60 DEG C, back flow reaction 1 hour；By temperature according to
Secondary to rise to 100 DEG C, 120 DEG C, 140 DEG C are respectively reacted 1 hour, obtain dissaving polymer；
(1-3) hyperbranched rare earth configuration：To being slowly added dropwise rare earth compounding in dissaving polymer, dissaving polymer with
The weight ratio of rare earth compounding is 1:5, the constant temperature low speed 100min under conditions of 50 DEG C, obtain hyperbranched rare earth mordant；
(2) hyperbranched RE-treated fiber
In bath raio 1:Under conditions of 50, penetrating agent JFC 2g/L is added, by the kapok after preceding treatment under conditions of 40 DEG C
30min is processed in the hyperbranched earth solution of fiber impregnation, the consumption of hyperbranched rare earth is dried to fibre weight 1wt% after washing, is obtained
To hyperbranched rare earth modified bombax cotton.
Embodiment 12
The method for improving dye-uptake and degree of fixation of the reactive dye on bombax cotton, using following steps：
(1) hyperbranched rare earth mordant is configured
(1-1) prepares rare earth compounding：Using distilled water diluting lanthanum chloride, then it is 13 to adjust pH value；
(1-2) dissaving polymer synthesizes：The methanol solution of methyl acrylate is added drop-wise to two sub- second under condition of ice bath
In base triamine, methyl acrylate is 9 with the mass ratio of diethylenetriamines:15, the presoma that stirring reaction 18h is synthesized,
Rotary Evaporators are recycled to be vacuumized in circulating water type vavuum pump, temperature control is in 60 DEG C, back flow reaction 1 hour；By temperature according to
Secondary to rise to 100 DEG C, 120 DEG C, 140 DEG C are respectively reacted 1.5 hours, obtain dissaving polymer；
(1-3) hyperbranched rare earth configuration：To being slowly added dropwise rare earth compounding in dissaving polymer, dissaving polymer with
The weight ratio of rare earth compounding is 1:8, the constant temperature low speed 45min under conditions of 100 DEG C, obtain hyperbranched rare earth mordant；
(2) hyperbranched RE-treated fiber
In bath raio 1:Under conditions of 50, penetrating agent JFC 2g/L is added, by the kapok after preceding treatment under conditions of 40 DEG C
40min is processed in the hyperbranched earth solution of fiber impregnation, the consumption of hyperbranched rare earth is dried to fibre weight 3wt% after washing, is obtained
To hyperbranched rare earth modified bombax cotton.
Claims (5)
1. the method for improving dye-uptake and degree of fixation of the reactive dye on bombax cotton, it is characterised in that the method use with
Lower step：
(1) hyperbranched rare earth mordant is configured
(1-1) prepares rare earth compounding；
(1-2) dissaving polymer synthesizes：The methanol solution of methyl acrylate is added drop-wise to diethylidene three under condition of ice bath
In amine, the presoma that 10~18h of stirring reaction is synthesized recycles Rotary Evaporators to be vacuumized in circulating water type vavuum pump,
Temperature control is in 60 DEG C, back flow reaction 1 hour；Temperature is risen to 100 DEG C successively, 120 DEG C, 140 DEG C of each reactions 0.5~1.5 are small
When, obtain dissaving polymer；
(1-3) hyperbranched rare earth configuration：To rare earth compounding is slowly added dropwise in dissaving polymer, in 50~100 DEG C of condition
Lower constant temperature 45~100min of stirring at low speed, obtains hyperbranched rare earth mordant；
(2) hyperbranched RE-treated fiber
In bath raio 1:Under conditions of 10~100, penetrating agent JFC 2g/L is added, by the kapok after preceding treatment under conditions of 40 DEG C
30~40min is processed in the hyperbranched earth solution of fiber impregnation, the consumption of hyperbranched rare earth is to 0.1~3wt% of fibre weight, washing
After dry, obtain hyperbranched rare earth modified bombax cotton；
Prepare rare earth compounding and use following steps：Using distilled water diluting lanthanum chloride, then it is 9~13 to adjust pH value.
2. the method for improving dye-uptake and degree of fixation of the reactive dye on bombax cotton according to claim 1, it is special
Levy and be, methyl acrylate and the mass ratio of diethylenetriamines are 8-9 in step (1-2):9-15.
3. the method for improving dye-uptake and degree of fixation of the reactive dye on bombax cotton according to claim 1, it is special
Levy and be, dissaving polymer and the weight ratio of rare earth compounding are 1 in step (1-3):1-1:8.
4. the method for improving dye-uptake and degree of fixation of the reactive dye on bombax cotton according to claim 1, it is special
Levy and be, the temperature of hyperbranched rare earth configuration is preferably 60 DEG C in step (1-3).
5. the method for improving dye-uptake and degree of fixation of the reactive dye on bombax cotton according to claim 1, it is special
Levy and be, the time of hyperbranched rare earth configuration is preferably 60min in step (1-3).
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| CN107189101A (en) * | 2017-06-15 | 2017-09-22 | 巢湖市强力渔业有限责任公司 | A kind of fishing net with good dyeability |
| CN109281151A (en) * | 2017-07-20 | 2019-01-29 | 德州学院 | Jade fiber reactive dyeing process |
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