CN109577045B - Color fixing agent for fur and preparation method and application thereof - Google Patents
Color fixing agent for fur and preparation method and application thereof Download PDFInfo
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- CN109577045B CN109577045B CN201811618107.7A CN201811618107A CN109577045B CN 109577045 B CN109577045 B CN 109577045B CN 201811618107 A CN201811618107 A CN 201811618107A CN 109577045 B CN109577045 B CN 109577045B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
- D06P5/06—After-treatment with organic compounds containing nitrogen
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Abstract
The invention relates to the technical field of fur processing, in particular to a color fixing agent for fur and a preparation method and application thereof. The color fixing agent for the fur is mainly prepared from the following components in parts by weight: 10-200 parts of acid substances, 1-10 parts of organic amines, 10-100 parts of organic solvents and 20-200 parts of water. The preparation method comprises the following steps: and uniformly mixing the raw materials to obtain the color fixing agent for the fur. The color fixing agent for fur can be applied to fur dyeing post-treatment, particularly acid dye dyeing post-treatment, and can improve the wet treatment fastness by about one level.
Description
Technical Field
The invention relates to the technical field of fur processing, in particular to a color fixing agent for fur and a preparation method and application thereof.
Background
The color fixing agent is an auxiliary agent in the textile industry, and can help to improve the color wet-proof treatment fastness of the dye on the fabric. The dyeing of fur is required not only to impart a pure positive hue but also to have high color uniformity and dyeing fastness. In recent years, along with the increasing quality of fur products, higher requirements are put on the dyeing performance of the fur products, and besides the uniform color and luster, higher requirements are put on the fastness.
However, at present, the dye-fixing agent products on the market are basically applied to textiles, and the post-treatment temperature which is usually required is higher, such as above 100 ℃, and is not suitable for fur dyeing. Moreover, most of the color fixing agents applied to textiles are reactive dyes, and less color fixing agents are used for acid dyes. Meanwhile, for the fur dyeing industry, the color fixing agent has complex application process and harsh conditions, and is not suitable for dyeing post-treatment of acid dye for fur.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The first purpose of the invention is to provide a color fixing agent for fur, which is used for solving the technical problem that the color fixing agent in the prior art cannot meet the requirement of acid dye dyeing post-treatment for fur.
The second purpose of the invention is to provide a preparation method of the color fixing agent for fur, the preparation method has the advantages of simple process, easy operation, mild operation conditions, compact front-to-back connection of the whole process steps, no generation of three wastes, and environmental protection.
The third purpose of the invention is to provide an application of the color fixing agent for fur, which can be applied to fur dyeing post-treatment, especially acid dye dyeing post-treatment, and can improve the wet treatment fastness by about one level.
In order to achieve the above purpose of the present invention, the following technical solutions are adopted:
the color fixing agent for the fur is mainly prepared from the following components in parts by weight:
10-200 parts of acid substances, 1-10 parts of organic amines, 10-100 parts of organic solvents and 20-200 parts of water.
The color fixing agent in the prior art is basically applied to textiles, requires higher post-treatment temperature and is not suitable for fur dyeing. Moreover, the color fixing agent in the prior art has complex application process and harsh conditions for the fur dyeing industry, and is not suitable for the dyeing post-treatment of the acid dye for fur.
The color fixing agent for the fur disclosed by the invention is combined by adopting the acid substances and the organic amines, the main component in a fur product is protein, and the acid substances and the organic amines can be combined with the fur through intermolecular force such as hydrogen bond action, so that the color fixing agent can be effectively combined on the surface of the fur, and a three-dimensional combination net is formed through the hydrogen bond action among molecules in the color fixing agent, so that the dye molecules are effectively prevented from being separated. Meanwhile, the acid substance has the function of opening hair, and is beneficial to improving the firmness of dye molecules; and the acid substances can be combined with dye molecules through hydrogen bond action to further fix the color.
According to the invention, the color fixing agent is used for reinforcing the combination effect with the fur while combining dye molecules, and is used as a bridging to reinforce the firmness of the dye molecules on the surface of the fur, and meanwhile, the color fixing agent forms a three-dimensional combination net on the surface of the fur through the hydrogen bond effect, so that the firmness is further improved.
Preferably, the acid comprises one or more of citric acid, malonic acid, salicylic acid and tartaric acid. More preferably, the acid comprises one or more of citric acid, salicylic acid and tartaric acid.
The citric acid, the salicylic acid and the tartaric acid simultaneously contain hydroxyl and carboxyl, so that the binding effect with dye molecules is strong, and the color fixing effect is good; meanwhile, the intermolecular binding effect of the color fixing agent is improved, and the protection effect is improved.
Preferably, the organic amine includes one or more of diisobutylamine, 2-ethylhexylamine, 2-ethylpropylamine, tetraethylenediamine, and methacrylamide.
Preferably, the organic solvent is an ether solvent. More preferably, the organic solvent comprises one or more of diethylene glycol methyl ether, propylene glycol butyl ether, propylene glycol methyl ether acetate, propylene glycol methyl ether and dipropylene glycol butyl ether.
In terms of the dosage of each raw material, the application carries out further optimization so as to further improve the performance.
Preferably, the color fixing agent for the fur is mainly prepared from the following components in parts by weight:
50-120 parts of acid substances, 2-6 parts of organic amines, 20-80 parts of organic solvents and 50-150 parts of water.
As in the various embodiments, the acid may be used in amounts of 50 parts, 55 parts, 60 parts, 65 parts, 70 parts, 75 parts, 80 parts, 85 parts, 90 parts, 95 parts, 100 parts, 105 parts, 110 parts, 115 parts, 120 parts, and the like; the organic amines may be used in amounts of 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, etc.; the organic solvent may be used in an amount of 20 parts, 25 parts, 30 parts, 35 parts, 40 parts, 45 parts, 50 parts, 55 parts, 60 parts, 65 parts, 70 parts, 75 parts, 80 parts, etc.; the amount of water may be adjusted according to actual requirements, and the above range is preferred to provide excellent intermolecular interaction of the fixing agent itself, such as 50 parts, 60 parts, 70 parts, 80 parts, 90 parts, 100 parts, 110 parts, 120 parts, 130 parts, 140 parts, 150 parts, etc. in different embodiments.
Preferably, the molar ratio of carboxy groups in the acid to amine in the organic amine is (12-50): 1, preferably (20-40): 1, more preferably (25-35): 1. Among the organic amines, amines include primary amines and secondary amines.
The molar ratio of carboxyl in the acid substances to amine in the organic amine greatly influences the intermolecular interaction of the color fixing agent and the interaction of the color fixing agent with the dye and the fur, and the color fixing effect is further improved within the range of the proportion.
The invention also provides a preparation method of the color fixing agent for fur, which comprises the following steps:
and uniformly mixing the raw materials to obtain the color fixing agent for the fur.
Preferably, the method comprises the steps of:
(a) mixing and stirring the acid substances and water at 25-30 ℃ until the acid substances and the water are dissolved;
(b) adding organic amine and organic solvent, and stirring for 30-60 min.
By adopting the preparation method, the charging sequence is clearly limited, the acid substance and the water are firstly added, the organic amine and the organic solvent are then added, and the organic amine is added on the premise that the acid substance is uniformly dispersed in the water, so that the color fixing agent is mixed and dissolved into a whole, and the storage stability is high.
Preferably, in the step (a), stirring is continued for 15-30min, preferably 20min, after the stirring is carried out until the dissolution.
Preferably, in the step (b), the organic amine and the organic solvent are added at room temperature. The room temperature means 25. + -. 2 ℃. More preferably, the organic amine and the organic solvent are added and stirring is continued for 40 min.
Preferably, in the preparation method, mixing and stirring are carried out in a reactor. The reactor is preferably an enamel reactor. The enamel reactor is made up by lining the glass containing high-silicon dioxide on the inner surface of steel container, and burning at high temp. to firmly adhere it to the metal surface. Therefore, the glass has the advantages of both the stability and the metal strength of the glass, is excellent corrosion-resistant equipment and has good corrosion resistance.
The invention also provides an application of the color fixing agent for fur in the acid dye dyeing post-treatment process of fur.
The color fixing agent for fur disclosed by the invention can be combined with an acid dye through intermolecular force, so that the color fixing effect is improved. Moreover, the color fixing agent can be used as a connecting bridge between acid dye molecules and fur to enhance the binding effect; meanwhile, a three-dimensional binding net is formed by the action of hydrogen bonds among molecules in the color fixing agent, a protective layer is formed, and color fixing is further performed.
Preferably, the method for applying the dye-fixing agent to the fur in the acid dye dyeing post-treatment process of the fur comprises the following steps: and (3) soaking the fur dyed by the acid dye in an aqueous solution of a color fixing agent.
Preferably, the concentration of the aqueous solution of the fixing agent is 0.3-0.8mL/L, as in various embodiments, can be 0.3mL/L, 0.4mL/L, 0.5mL/L, 0.6mL/L, 0.7mL/L, 0.8mL/L, and the like, preferably 0.5 mL/L.
Preferably, the soaking time is 20-40min, preferably 30 min.
Preferably, the temperature of the soaking is room temperature.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the color fixing agent for the fur, the acid substances and the organic amines are combined, and the acid substances and the organic amines can be combined with the fur through intermolecular force such as hydrogen bond action, so that the color fixing agent can be effectively combined with the surface of the fur, and a three-dimensional combination net is formed through the hydrogen bond action among molecules in the color fixing agent, so that dye molecules are effectively prevented from being separated; the acid substance has the function of opening hair, and is beneficial to improving the firmness of dye molecules; in addition, the acid substances can be combined with dye molecules through hydrogen bond action to further fix the color;
(2) the preparation method disclosed by the invention is simple in process, easy to operate, mild in operation condition, compact in connection of the whole process steps, free of generation of three wastes and environment-friendly;
(3) the color fixing agent for fur can be applied to fur dyeing post-treatment, particularly acid dye dyeing post-treatment, and can improve the wet treatment fastness by about one level.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following detailed description, but those skilled in the art will understand that the following described examples are some, not all, of the examples of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
Example 1
The preparation method of the fixing agent in this embodiment includes the following steps:
(1) placing 50kg of citric acid and 50kg of water in an enamel reaction kettle, heating and stirring, controlling the temperature at 25-30 ℃, stopping heating after the citric acid is completely dissolved, and continuing stirring for 20 min;
(2) and after the temperature in the reaction kettle is reduced to room temperature, adding 2kg of diisobutylamine and 20kg of diethylene glycol monomethyl ether into the reaction kettle, and continuously stirring for 30min to obtain the color fixing agent.
Example 2
The preparation method of the fixing agent in this embodiment includes the following steps:
(1) placing 50kg of tartaric acid and 60kg of water in an enamel reaction kettle, heating and stirring, controlling the temperature at 25-30 ℃, stopping heating after tartaric acid is completely dissolved, and continuing stirring for 20 min;
(2) and after the temperature in the reaction kettle is reduced to room temperature, adding 3kg of diisobutylamine and 30kg of dipropylene glycol methyl ether into the reaction kettle, and continuously stirring for 40min to obtain the color fixing agent.
Example 3
The preparation method of the fixing agent in this embodiment includes the following steps:
(1) putting 100kg of malonic acid and 120kg of water into an enamel reaction kettle, heating and stirring, controlling the temperature at 25-30 ℃, stopping heating after tartaric acid is completely dissolved, and continuing stirring for 20 min;
(2) and after the temperature in the reaction kettle is reduced to room temperature, adding 5kg of triethylene tetramine and 60kg of dipropylene glycol methyl ether into the reaction kettle, and continuously stirring for 30min to obtain the color fixing agent.
Example 4
The preparation method of the fixing agent in this embodiment includes the following steps:
(1) putting 120kg of salicylic acid and 150kg of water into an enamel reaction kettle, heating and stirring, controlling the temperature at 25-30 ℃, stopping heating after tartaric acid is completely dissolved, and continuing stirring for 20 min;
(2) and after the temperature in the reaction kettle is reduced to room temperature, adding 1kg of methacrylamide, 4kg of 2-ethylpropylamine and 80kg of dipropylene glycol methyl ether into the reaction kettle, and continuously stirring for 30min to obtain the color fixing agent.
Example 5
The preparation method of the fixing agent in this embodiment includes the following steps:
(1) placing 100kg of citric acid and 120kg of water in an enamel reaction kettle, heating and stirring, controlling the temperature at 25-30 ℃, stopping heating after tartaric acid is completely dissolved, and continuing stirring for 20 min;
(2) and after the temperature in the reaction kettle is reduced to room temperature, adding 5kg of methacrylamide and 60kg of dipropylene glycol methyl ether into the reaction kettle, and continuously stirring for 30min to obtain the color fixing agent.
Example 6
The preparation method of the fixing agent in this embodiment includes the following steps:
(1) putting 100kg of salicylic acid and 100kg of water into an enamel reaction kettle, heating and stirring, controlling the temperature at 25-30 ℃, stopping heating after tartaric acid is completely dissolved, and continuing stirring for 20 min;
(2) and after the temperature in the reaction kettle is reduced to room temperature, adding 2kg of 2-ethylpropylamine, 4kg of triethylene tetramine and 60kg of dipropylene glycol ethyl ether into the reaction kettle, and continuously stirring for 30min to obtain the color fixing agent.
Example 7
The preparation method of the fixing agent in this embodiment includes the following steps:
(1) placing 50kg of citric acid and 50kg of water in an enamel reaction kettle, heating and stirring, controlling the temperature at 25-30 ℃, stopping heating after the citric acid is completely dissolved, and continuing stirring for 20 min;
(2) and after the temperature in the reaction kettle is reduced to room temperature, adding 3kg of diisobutylamine and 20kg of dipropylene glycol methyl ether into the reaction kettle, and continuously stirring for 30min to obtain the color fixing agent.
Example 8
The preparation method of the fixing agent in this embodiment includes the following steps:
(1) placing 55kg of tartaric acid and 60kg of water in an enamel reaction kettle, heating and stirring, controlling the temperature at 25-30 ℃, stopping heating after tartaric acid is completely dissolved, and continuing stirring for 20 min;
(2) and after the temperature in the reaction kettle is reduced to room temperature, adding 3kg of diisobutylamine and 30kg of dipropylene glycol methyl ether into the reaction kettle, and continuously stirring for 40min to obtain the color fixing agent.
Comparative example 1
Comparative example 1 the preparation of example 1 was referenced, with the only difference that: diisobutylamine was not added.
Comparative example 2
Comparative example 2 the preparation process of example 1 was referenced, with the only difference that: citric acid was not added.
Application example 1
The method is characterized in that a Hili R series dye is adopted to dye rabbit skins, and raw material skins with the shrinkage temperature of more than or equal to 90 ℃ are selected.
Bath ratio of 20: 1 (dried skin), temperature of 68 deg.C,
0.5mL/L of fur leveling agent DL,
adding after 15min of skin feeding:
hili fur red R-BR 1.0g/L
Adding formic acid (85%) 0.5mL/L after 30min
Adding formic acid (85%) 0.5mL/L after 30min
And (5) peeling after 1h, washing at normal temperature and spin-drying.
And (3) dyeing post-treatment:
and (3) preparing a 0.5mL/L aqueous solution of the color fixing agent by respectively adopting the color fixing agents prepared in the embodiments at room temperature, and soaking the dyed fur in the aqueous solution of the color fixing agent for 30 min.
Application example 2
The method is characterized in that a Hili R series dye is adopted to dye rabbit skins, and raw material skins with the shrinkage temperature of more than or equal to 90 ℃ are selected.
Bath ratio of 20: 1 (dried skin), temperature of 68 deg.C,
0.5mL/L of fur leveling agent DL,
adding after 15min of skin feeding:
xili fur black R-BE 5.0g/L
Adding formic acid (85%) 0.5mL/L after 30min
Adding formic acid (85%) 0.5mL/L after 30min
And (5) peeling after 1h, washing at normal temperature and spin-drying.
And (3) dyeing post-treatment:
and (3) preparing a 0.3mL/L aqueous solution of the color fixing agent by adopting the color fixing agent prepared in each embodiment at room temperature, and soaking the dyed fur in the aqueous solution of the color fixing agent for 30 min.
Application example 3
The method is characterized in that a Hili R series dye is adopted to dye rabbit skins, and raw material skins with the shrinkage temperature of more than or equal to 90 ℃ are selected.
Bath ratio of 20: 1 (dried skin), temperature of 68 deg.C,
0.5mL/L of fur leveling agent DL,
adding after 15min of skin feeding:
hili hair leather brown R-BW 2.0g/L
Adding formic acid (85%) 0.5mL/L after 30min
Adding formic acid (85%) 0.5mL/L after 30min
And (5) peeling after 1h, washing at normal temperature and spin-drying.
And (3) dyeing post-treatment:
and (3) preparing a 0.5mL/L aqueous solution of the color fixing agent by adopting the color fixing agent prepared in each embodiment at room temperature, and soaking the dyed fur in the aqueous solution of the color fixing agent for 30 min.
Experimental example 1
In order to comparatively illustrate the color fixing effect of the color fixing agent for fur prepared in each example and each comparative example of the invention, the color fixing agents of examples 1-8 and comparative examples 1-2 of the invention are respectively used for carrying out post-treatment on fur after dyeing by the methods of application examples 1-3, and the perspiration fastness, washing fastness and wet rubbing fastness of the finally obtained fur are tested, and the test results are respectively shown in tables 1-3.
Perspiration fastness test reference standard: GB/T3922
Reference standard for washing fastness test GB/T3921
Reference standard for wet rubbing fastness test (GB/T3920)
TABLE 1 fixation rating of different fixing agents to Red R-BR
TABLE 2 fixation rating of different fixing agents to Black R-BE
TABLE 3 fixation rating of different fixing agents to Brown R-BW
From the above table, it can be seen that after the dye-dyed fur is post-treated by the dye-fixing agent for fur prepared in each example of the present invention, the wet fastness is improved by half to one level on the original basis.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (11)
1. The application of the color fixing agent for the fur in the acid dye dyeing post-treatment process of the fur is characterized in that the color fixing agent for the fur is prepared from the following components in parts by weight:
10-200 parts of acid substances, 1-10 parts of organic amines, 10-100 parts of organic solvents and 20-200 parts of water;
the acid substances comprise one or more of malonic acid, salicylic acid and tartaric acid;
the organic amine comprises one or more of diisobutylamine, 2-ethylhexylamine, 2-ethylpropylamine, triethylene tetramine and methacrylamide;
the organic solvent comprises one or more of diethylene glycol methyl ether, propylene glycol butyl ether, propylene glycol methyl ether acetate, propylene glycol methyl ether and dipropylene glycol butyl ether;
the preparation method of the color fixing agent for the fur comprises the following steps:
(a) mixing and stirring the acid substances and water at 25-30 ℃ until the acid substances and the water are dissolved;
(b) adding organic amine and organic solvent, and stirring for 30-60 min;
in the preparation method, mixing and stirring are carried out in a reactor, and the reactor is an enamel reaction kettle.
2. The use according to claim 1, wherein the dye-fixing agent for furs is prepared from the following components in parts by weight: 50-120 parts of acid substances, 2-6 parts of organic amines, 20-80 parts of organic solvents and 50-150 parts of water.
3. Use according to claim 1, wherein the acid comprises one or more of salicylic acid and tartaric acid.
4. Use according to claim 1, wherein the molar ratio of carboxyl groups in the acid substance to amine groups in the organic amine substance is (12-50): 1.
5. Use according to claim 4, wherein the molar ratio of carboxyl groups in the acid substance to amine groups in the organic amine substance is (20-40): 1.
6. Use according to claim 5, wherein the molar ratio of carboxyl groups in the acid substance to amine groups in the organic amine substance is (25-35): 1.
7. Use according to claim 1, wherein in step (a), stirring is continued for 15-30min after dissolution.
8. The use according to claim 1, wherein in step (b), the organic amine and the organic solvent are added at room temperature.
9. The use according to claim 1, characterized in that the method of applying the dye-fixing agent for skins in the acid dye post-treatment of skins comprises: and (3) soaking the fur dyed by the acid dye in an aqueous solution of a color fixing agent.
10. The use according to claim 9, wherein the aqueous fixing agent solution has a concentration of 0.3-0.8 mL/L.
11. Use according to claim 9, wherein the soaking time is 20-40 min.
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| CN102383319A (en) * | 2011-06-16 | 2012-03-21 | 北京泛博化学股份有限公司 | Deepening agent and preparation method thereof |
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| CN102797172B (en) * | 2012-07-17 | 2014-06-25 | 沈翰宇 | Method for transferring patterns on fiber fabric |
| CN102838898B (en) * | 2012-09-26 | 2014-10-15 | 长胜纺织科技发展(上海)有限公司 | Acidic dye ink for cold transfer printing and application method thereof |
| CN102926238A (en) * | 2012-11-16 | 2013-02-13 | 刘静 | Transfer method of fur quilt pattern |
| CN106592283B (en) * | 2016-12-12 | 2018-10-09 | 温州华派服饰有限公司 | A kind of heat safe aldehyde-free colour stabilizer and preparation method thereof |
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