CN112301765A - Textile auxiliary for improving color fastness and preparation method thereof - Google Patents
Textile auxiliary for improving color fastness and preparation method thereof Download PDFInfo
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- CN112301765A CN112301765A CN202011211629.2A CN202011211629A CN112301765A CN 112301765 A CN112301765 A CN 112301765A CN 202011211629 A CN202011211629 A CN 202011211629A CN 112301765 A CN112301765 A CN 112301765A
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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
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5264—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds
- D06P1/5285—Polyurethanes; Polyurea; Polyguanides
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- 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
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/46—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing natural macromolecular substances or derivatives thereof
- D06P1/48—Derivatives of carbohydrates
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- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/46—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing natural macromolecular substances or derivatives thereof
- D06P1/48—Derivatives of carbohydrates
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- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
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- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- D06P1/525—Polymers of unsaturated carboxylic acids or functional derivatives thereof
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- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
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- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5264—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds
- D06P1/5278—Polyamides; Polyimides; Polylactames; Polyalkyleneimines
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- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/60—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing polyethers
- D06P1/613—Polyethers without nitrogen
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- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/60—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing polyethers
- D06P1/613—Polyethers without nitrogen
- D06P1/6131—Addition products of hydroxyl groups-containing compounds with oxiranes
- D06P1/6135—Addition products of hydroxyl groups-containing compounds with oxiranes from aromatic alcohols or from phenols, naphthols
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- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/62—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds with sulfate, sulfonate, sulfenic or sulfinic groups
- D06P1/621—Compounds without nitrogen
- D06P1/622—Sulfonic acids or their salts
- D06P1/625—Aromatic
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- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/64—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
- D06P1/642—Compounds containing nitrogen
- D06P1/649—Compounds containing carbonamide, thiocarbonamide or guanyl groups
- D06P1/6494—Compounds containing a guanyl group R-C-N=, e.g. (bi)guanadine, dicyandiamid amidines
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- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
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- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
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Abstract
The application relates to the technical field of textile dyeing, and particularly discloses a textile auxiliary for improving color fastness and a preparation method thereof, wherein the textile auxiliary comprises the following raw materials in parts by weight: 2-3 parts of polyurethane resin, 4-6 parts of a color fixing agent, 2-3 parts of a scouring agent, 1-2 parts of hydroxymethyl cellulose, 20-30 parts of polyacrylamide, 3-5 parts of a leveling agent, 0.02-0.05 part of an ultraviolet absorbent UV-101 and 25-35 parts of deionized water, wherein the color fixing agent comprises at least one of polyvinylamine and xanthan gum; the preparation method comprises the following steps: mixing polyacrylamide, polyurethane resin and deionized water, and uniformly mixing to obtain a first mixture; mixing the first mixture with a color fixing agent, a leveling agent, hydroxymethyl cellulose, polyacrylamide and a scouring agent, and uniformly mixing to obtain a second mixture; mixing the second mixture with a reinforcing agent and zinc oxide, and uniformly mixing to obtain the textile auxiliary with improved color fastness; the textile auxiliary in the application has the advantage of improving the color fastness of the fabric.
Description
Technical Field
The application relates to the technical field of textile dyeing, in particular to a textile auxiliary for improving color fastness and a preparation method thereof.
Background
Color fastness is the degree of fading of a dyed fabric, which is affected by external factors such as squeezing, rubbing, washing, rain, sun exposure, light exposure, sea water immersion, saliva immersion, water immersion, perspiration and the like during use or processing, and is an important index of the fabric. If the color fastness is poor, the condition of color loss or staining is easy to occur in the subsequent processing or using process, which causes a lot of troubles.
At present, the auxiliary agent for improving the color fastness of the dyed fabric mainly comprises a cationic color fixing agent quaternary ammonium salt, and the main color fixing mechanism is that after the water-soluble anionic fuel is dyed, the quaternary ammonium salt is combined with sulfonic anions on the dye to play a role in mutual attraction and combination of positive static electricity and negative static electricity and generate water-insoluble color lake, so that the color fixing effect is achieved.
Through the related technology, the color fastness comprises light fastness, washing fastness, friction fastness and the like, so that the quaternary ammonium salt color fixing agent can improve the washing fastness of the dyed fabric, but cannot improve the light fastness of the dyed fabric, and the light fastness is reduced.
Content of application
In order to improve the color fastness of dyed fabrics, the application provides a textile auxiliary for improving the color fastness and a preparation method thereof.
In a first aspect, the application provides a textile auxiliary for improving color fastness, which adopts the following technical scheme:
a textile auxiliary for improving color fastness comprises the following raw materials in parts by weight:
2-3 parts of polyurethane resin;
4-6 parts of a color fixing agent;
2-3 parts of a leveling agent;
1-2 parts of hydroxymethyl cellulose;
20-30 parts of polyacrylamide;
3-5 parts of a scouring agent;
0.02-0.05 part of ultraviolet absorbent UV-101
25-35 parts of deionized water;
the color fixing agent comprises at least one of polyvinylamine and xanthan gum.
By adopting the technical scheme, the polyurethane resin is used as the binder and coacts with the color fixing agents of the polyvinylamine and the xanthan gum, so that the color fastness to washing of the fabric is improved, the polyvinylamine ion strength in the color fixing agents is high, the color fixing agents have strong molecular action with dyes, and the color fixing effect is achieved; the xanthan gum becomes stable viscous colloid when meeting water, so that the xanthan gum is matched with the polyurethane resin to improve the bonding property with the dye, and the color fixing effect is achieved; the added ultraviolet absorbent UV-101 has stronger ultraviolet absorption capacity, can absorb ultraviolet light of 280-380nm, has better light stability under the action of polyurethane resin, and improves the light fastness of the fabric by mutual matching; the leveling agent promotes the color depth, the color light and the brilliant brightness of the whole surface of the fabric to be consistent; the hydroxymethyl cellulose prevents the fibers of the fabric from being damaged, thereby protecting the fabric; on the other hand, the hydroxymethyl cellulose is matched with the scouring agent to reduce the surface tension, so that the interfacial tension between the textile auxiliary and the fabric is reduced, the scouring agent can wet the fabric as soon as possible, and the color fastness is improved; the polyacrylamide is matched with the color fixing agent and the leveling agent, so that the wetting fastness of the treated fabric is improved, and the color fastness to washing of the fabric is improved; in conclusion, the color fastness to washing of the fabric is improved by adding the polyvinylamine and the xanthan gum, and the color fastness to sunlight of the textile auxiliary is improved by adding the ultraviolet absorbent and matching with the polyurethane resin, so that the color fastness to washing and the color fastness to sunlight of the textile auxiliary are both greatly improved.
Preferably, the scouring agent comprises at least one of alkylphenol ethoxylates and silicone polyether.
By adopting the technical scheme, alkylphenol ethoxylates and siloxane polyether are used as the nonionic surfactant, and the scouring agent quickly wets the fabric by reducing the interfacial tension of the textile auxiliary and the fabric; meanwhile, the scouring agent emulsifies and disperses the components such as the common biological sericin, the cotton wax and the like on the fabric, and the scouring agent is matched with the leveling agent to improve the dispersion effect of the dye, so that the performances such as the color fastness to sunlight, the color fastness to washing and the like of each part of the fabric are uniformly distributed.
Preferably, the leveling agent comprises at least one of fatty acid polyoxyethylene ether and sodium hexadecyl benzene sulfonate.
By adopting the technical scheme, when the fabric is dyed, the fatty acid polyoxyethylene ether and the sodium hexadecylbenzene sulfonate are used as the leveling agent to act together with the color fixing agents, namely the polyacetamide and the xanthan gum, so that the dispersing effect of the color fixing agents is improved, and the brittle damage of fibers of the fabric is prevented; meanwhile, the leveling agent is firstly combined with the fiber, occupies the dyeing position of the fiber, delays the dye from being dyed, and realizes the effect of uniform coloring. The sodium hexadecylbenzene sulfonate in the leveling agent is complexed with metal ions and removed from the fabric, so that the adhesive property of the color fixing agent and polyurethane resin is improved, and the color fastness is further improved.
Preferably, the textile auxiliary also comprises 1-1.5 parts by weight of a reinforcing agent, and the reinforcing agent consists of quartz powder and ceramic micro powder.
By adopting the technical scheme, the reinforcing agent consisting of the quartz powder and the ceramic micro powder improves the wear resistance of the textile auxiliary, the chemical stability of the quartz powder and the ceramic micro powder is good, and the quartz powder and the ceramic micro powder have high temperature resistance and strong hardness; the wear-resisting property of the textile auxiliary is improved by matching the two, and the friction color fastness of the textile auxiliary is further improved.
Preferably, the weight part ratio of the quartz powder to the ceramic micropowder in the reinforcing agent is 1 (1-2).
By adopting the technical scheme, the reinforcing agent adopts the weight ratio, the matching effect of the quartz powder and the ceramic micro powder is better, and the color fastness to sunlight and the color fastness to rubbing of the textile auxiliary agent are improved under the combined action of the quartz powder, the polyurethane resin and the color fixing agent.
Preferably, the textile auxiliary also comprises 0.5-1 part by weight of zinc oxide.
By adopting the technical scheme, the zinc oxide is used as the inorganic antibacterial agent, is convenient to use, has strong heat resistance and stable chemical property, plays a role in sterilization through the action of the zinc oxide and the ultraviolet absorbent UV-101 in the textile auxiliary, improves the safety of textiles through the textile auxiliary, and prevents the skin from being influenced by bacteria and the like in clothes, thereby causing symptoms such as allergy and the like.
Preferably, the polyurethane is a polyester polyurethane resin.
By adopting the technical scheme, the polyester polyurethane is preferably adopted and matched with the color fixing agent and the ultraviolet absorbent UV-101, so that the fabric has better light fastness; in addition, the polyester polyurethane is better in strength and stability, and can improve the hardness of the fabric while stably existing.
In a second aspect, the application provides a preparation method of a textile auxiliary for improving color fastness, which adopts the following technical scheme: a preparation method of textile auxiliary agent for improving color fastness comprises the following steps:
s1, mixing polyacrylamide, polyurethane resin and deionized water uniformly to obtain a first mixture;
s2, mixing the first mixture with a color fixing agent, a leveling agent, hydroxymethyl cellulose, polyacrylamide and a scouring agent, and uniformly mixing to obtain a second mixture;
and S3, mixing the second mixture with a reinforcing agent and zinc oxide, and uniformly mixing to obtain the textile auxiliary with improved color fastness.
By adopting the technical scheme, firstly, polyacrylamide, polyurethane resin and deionized water are mixed, so that the polyurethane resin and the polyacrylamide are fully fused, the cohesiveness and the flexibility of the textile auxiliary are improved, and the color fastness is improved; and then mixing other raw materials such as a color fixing agent, a leveling agent and the like, so that the raw materials of the textile auxiliary are fully and uniformly dispersed, and the color fastness of the textile auxiliary is improved.
Preferably, the stirring speed in the step S1 is 100-150 r/min.
By adopting the technical scheme, the stirring speed is controlled, so that the polyurethane resin and the polyacrylamide are fully fused, the cohesiveness and the flexibility of the textile auxiliary are improved, and the color fastness and the flexibility are improved.
In summary, the present application has the following beneficial effects:
1. because the polyurethane resin is used as the binder and is acted with the color fixing agents of polyvinylamine and xanthan gum, the color fastness to washing of the fabric is improved, meanwhile, the added ultraviolet absorbent UV-101 absorbs a large amount of ultraviolet rays, and in addition, the ultraviolet absorbent UV-101 has better light stability under the action of polyurethane, so that the color fastness to sunlight of the fabric is improved; the leveling agent can reduce the interfacial tension between the textile auxiliary and the fabric, moisten the fabric as soon as possible and improve the color fastness; the polyacrylamide is matched with the color fixing agent and the leveling agent together, so that the corrosion resistance of the fabric is improved; in conclusion, the polyurethane resin is used as the binder, and meanwhile, the color fixing agent has high polyvinylamine ionic strength and strong molecular action with the dye, so that the color fixing effect is achieved; the xanthan gum becomes stable viscous colloid when meeting water, thereby being matched with polyurethane resin to improve the bonding property with dye.
2. In the application, alkylphenol ethoxylates and silicone polyether are preferably used as scouring agents, components such as common biological sericin and cotton wax on the fabric are emulsified and dispersed, and the components are matched with a leveling agent to improve the dispersing effect of the dye, so that the performances such as the color fastness to sunlight and the color fastness to washing of each part of the fabric are uniformly distributed; preferably, fatty acid polyoxyethylene ether and sodium hexadecyl benzene sulfonate are adopted as leveling agents, and the leveling agents are used for improving the dispersing effect of the color fixing agents and preventing the fibers of the fabrics from being fragile; in addition, a reinforcing agent consisting of quartz powder and ceramic micro powder is added into the textile auxiliary to improve the color fastness to sunlight of the textile auxiliary; the zinc oxide is added to improve the antibacterial performance of the textile auxiliary, and prevent the skin from being influenced by bacteria in clothes, producing symptoms such as allergy and the like.
3. According to the method, the raw materials of the textile auxiliary are mixed step by step, the mixing speed of the polyurethane resin, the polyacrylamide and the water is controlled, the components are uniformly mixed as much as possible, the textile auxiliary is uniformly mixed, the dispersion effect is improved, and the textile auxiliary uniformly acts on the surface of the fabric.
Detailed Description
The present application is described in further detail below.
The components and manufacturers in the examples are shown in Table 1.
TABLE 1 Components and manufacturers
| Components | Manufacturer of the product |
| Polyether urethane resin | ANHUI SINOGRACE CHEMICAL Co.,Ltd. |
| Polyester polyurethane resin | Jinan Shi chemical technology Co Ltd |
| Polyvinyl amine | Wuhanhua detailed scientific biotechnology limited |
| Xanthan gum | Macro bioengineering Co Ltd in Anhui province |
| Hydroxymethyl cellulose | Jiangsu Ofu Biotech Co., Ltd |
| Polyacrylamide | Ziboson Water environmental protection science and technology Limited |
| Ultraviolet absorbent UV-101 | Fushan Xinhang Biotechnology Ltd |
| Alkylphenol ethoxylates | Jinan Hui Jingchuan chemical Co Ltd |
| Silicone polyethers | Tianmen Changchang chemical Co Ltd |
| Fatty acid polyoxyethylene ether | Donchen Taixin blue technology Co Ltd |
| Hexadecyl benzene sulfonic acid sodium salt | Chemical Co., Ltd, Jinrui, Jinan |
| Quartz powder | Fengyang county Yingwu Quartz Sand Co Ltd |
| Ceramic micropowder | Scoring three-dimensional refractory Co Ltd |
| Zinc oxide | Xin chemical products Co., Ltd, Henan Ming |
| Fatty alcohol polyoxyethylene ether | Donchen Taixin blue technology Co Ltd |
| Polyoxyethylene fatty amines | Jiangsu Hai'an petrochemical plant |
Example 1:
the textile auxiliary for improving the color fastness comprises the following specific components by weight as shown in Table 2, and is prepared by the following steps:
s1, mixing polyacrylamide, polyurethane resin and deionized water at a mixing speed of 100r/min to obtain a first mixture after uniform mixing;
s2, mixing the first mixture with color fixing agents of polyvinyl amine, xanthan gum, hydroxymethyl cellulose, polyacrylamide and scouring agents of fatty alcohol-polyoxyethylene ether, and uniformly mixing to obtain a second mixture;
and S3, mixing the second mixture with a leveling agent polyoxyethylene fatty amine, and uniformly mixing to obtain the textile auxiliary.
Examples 2-3 a textile auxiliary for improving color fastness, which is different from example 1 in specific components and weights, and the specific components and weights included are shown in table 2.
TABLE 2 specific compositions and weights of examples 1-3
Examples 4 to 5A textile auxiliary for improving color fastness, which is different from example 2 in the composition of a scouring agent, wherein leveling agents are polyoxyethylene fatty amines, and the content of the polyoxyethylene fatty amines is 5 kg; the specific components and weights included are shown in table 3.
Examples 6-7 a textile auxiliary for improving color fastness, which is different from example 4 in the composition of the leveling agent, and includes specific components and weights as shown in table 3.
Examples 8 to 9 a textile auxiliary for improving color fastness, which is different from example 6 in that a reinforcing agent was added in step S3, and the specific components and weights included are shown in table 3.
Examples 10-11 a textile auxiliary for improving color fastness, differing from example 8 in the weight ratio of the reinforcing agent, the specific components and weights included are shown in table 3.
Examples 12 to 13: a textile auxiliary for improving color fastness is different from the textile auxiliary of example 10 in that zinc oxide is added in step S3, and the specific components and weight are shown in Table 3.
TABLE 3 specific compositions and weights of examples 4-13
Example 14A textile auxiliary for improving color fastness, which is different from example 1 in that an equal amount of polyester polyurethane resin is used instead of polyether polyurethane resin.
Example 15A textile auxiliary for improving color fastness differs from example 1 in that the stirring speed in step S1 is 150 r/min.
Comparative example 1A textile auxiliary differs from example 1 in that the polyvinylamine is replaced by an equal amount of water.
Comparative example 2 a textile auxiliary, which differs from example 1 in that the xanthan gum is replaced by an equal amount of water.
Comparative example 3 a textile auxiliary, which differs from example 1 in that the fixing agent is replaced by an equal amount of water.
Comparative example 4 a textile auxiliary, which differs from example 1 in that the UV-101 absorbent is replaced by an equal amount of water.
Comparative example 5 a textile auxiliary consisting of the following components: 6kg of coconut oil diethanolamide, 3kg of amylase, 5kg of sodium sulfite, 4kg of ethylene oxide, 1kg of polyethylene glycol laurate, 3kg of softener, 6kg of dioctyl sodium sulfosuccinate, 1kg of sorbitan ester, 2kg of magnesium chloride, 4kg of sodium sulfate, 2kg of benzoic acid, 1kg of sodium carboxymethylcellulose, 4kg of glycerol and 1kg of formic acid.
The preparation method comprises the following steps: the coconut oil diethanolamide, amylase, sodium sulfite, ethylene oxide and polyethylene glycol laurate are uniformly mixed, and a softening agent, dioctyl sodium sulfosuccinate, sorbitan ester, magnesium chloride, sodium sulfate, benzoic acid, sodium carboxymethylcellulose, glycerol and formic acid are added after mixing to obtain the mixed textile auxiliary agent.
Detection method
Experiment one: test sample for color fastness to light: examples 1 to 15 and comparative examples 1 to 5 were applied to blue wool fabrics having a size of 10mm x 60mm, and the blue wool fabrics obtained in examples 1 to 15 were respectively designated as experimental samples 1 to 15, and the blue wool fabrics obtained in comparative examples 1 to 5 were respectively designated as comparative samples 1 to 5, and each of the experimental samples 1 to 15 and the comparative samples 1 to 5 was 5.
An experimental instrument: a solarization frame; glass plate: the thickness is 3.5mm, and the size is 8mm multiplied by 150 mm; an illuminating lamp; aluminum foil covered hard cards; gray sample card for discoloration assessment: conforms to GB 250.
The experimental method comprises the following steps: according to the color fastness to light of the textile color fastness test of the national standard GB/T8426-1998: light fastness in daylight the test samples 1-15 and the comparative samples 1-5 were tested for light fastness, the test procedure being: tightly attaching the test sample 1 to a hard card, and placing the hard card with the test sample 1 on an exposure frame; the exposure frame is placed in the northern hemisphere to the south, in the southern hemisphere to the north, the inclination is approximately equal to the latitude of the ground, and the exposure frame is placed in the sunlight for exposure. The exposure frame should be installed in non-residential and non-industrial areas without dust and pollution from automobile exhaust. The exposure rack should be placed in a position to ensure that shadows of surrounding objects, including any mounting, do not fall on the exposed test specimen 1. The structure of the exposure frame is required to enable the sample to be firmly placed, and the glass window is covered on the exposure frame, so that the sample is not influenced by rain and other weather factors; after experimental sample 1 there was appropriate venting. The experiments were performed under simulated illuminant of CIE illuminant C.
On the basis that the color difference between the solarization and the non-solarization of the experimental sample 1 reaches the grade 3 of the gray sample card, the final evaluation of the color fastness to sunlight is made; to avoid misevaluation of the light fastness due to the photochromic property of the test sample 1, the test sample 1 should be left in the dark before evaluation and conditioned at room temperature for 24 hours.
Grading 5 exposed experimental samples 1 by respectively comparing with a gray sample card, recording numerical values and taking an average value as a light fastness result for evaluation; the light fastness of the test specimen is the light fastness of the test specimen 1 showing similar discoloration (visual color difference between the exposed and unexposed portions of the test specimen) which is the standard number of the test specimen 1 showing similar discoloration (visual color difference between the exposed and unexposed portions of the test specimen). If the experimental sample 1 shows a color change that is not close to one of any two adjacent blue wool standards, but closer to their median value, an intermediate number of steps, e.g., 3-4, should be assigned.
The test samples 2 to 15 and the comparative samples 1 to 5 were subjected to the test for color fastness to light in accordance with the above test methods.
The experimental results are as follows: the results of the test for color fastness to light of the test samples 1 to 15 and the comparative samples 1 to 5 are shown in Table 4.
Experiment two: color fastness to washing experimental samples: examples 1 to 15 and comparative examples 1 to 5 were applied to blue wool fabrics having a size of 100mm x 40mm, and the blue wool fabrics obtained in examples 1 to 15 were respectively designated as experimental samples 1 to 15, and the blue wool fabrics obtained in comparative examples 1 to 5 were respectively designated as comparative samples 1 to 5, and 5 were applied to the experimental samples 1 to 15 and the comparative samples 1 to 5.
An experimental instrument: detergents (AATCC 1993 standard detergent WOB); gray sample card for discoloration assessment: conforms to GB 250.
The experimental method comprises the following steps: the color fastness to washing experiments were carried out on the experimental samples 1-15 and the comparative samples 1-5 according to the test in the color fastness to home and commercial laundering test for textiles in GB/T12490-. And (3) grading the washed 5 experimental samples 1 by respectively comparing with gray sample cards, recording numerical values and taking an average value as a light fastness result.
The test samples 2 to 15 and the comparative samples 1 to 5 were subjected to the color fastness to washing test in accordance with the above-mentioned test methods.
The experimental results are as follows: the results of the colorfastness to washing tests for the test samples 1-15 and the comparative samples 1-5 are shown in Table 4.
Experiment three: color fastness to rubbing experimental samples: examples 1 to 15 and comparative examples 1 to 5 were applied to blue wool fabrics having a size of 19mm × 25mm, and the blue wool fabrics obtained in examples 1 to 15 were respectively designated as experimental samples 1 to 15, and the blue wool fabrics obtained in comparative examples 1 to 5 were respectively designated as comparative samples 1 to 5, and each of the experimental samples 1 to 15 and the comparative samples 1 to 5 was 5.
An experimental instrument: a rubbing color fastness tester (Shanghai Qianshi precision electro-mechanical technology, Inc.); gray sample card for discoloration assessment: conforms to GB 250.
The experimental method comprises the following steps: the wear-resistant color fastness test is carried out on the experimental samples 1-15 and the comparative samples 1-5 according to the detection method in the textile color fastness test rubbing color fastness of the national standard GB/T3920-1997. And (3) respectively detecting 5 experimental samples 1 after the experiment, grading by contrasting a gray sample card, recording numerical values, and taking an average value as a friction color fastness result.
The experimental samples 2 to 15 and the comparative samples 1 to 5 were subjected to the rubbing fastness test according to the above experimental method.
The experimental results are as follows: the results of the crocking fastness of the experimental samples 1-15 and the comparative samples 1-5 are shown in Table 4.
TABLE 4 Experimental results of color fastness to sunlight, color fastness to washing, and color fastness to rubbing of experimental samples 1 to 15 and comparative samples 1 to 5
As can be seen from the experimental data in Table 4, the test samples 1-15 have a color fastness to sunlight grade of 4-8, a color fastness to washing grade of 3-5, a color fastness to rubbing grade of 3-5, and a grade of 3 or above, and belong to qualified products; while comparative samples 1-5 all had a light fastness rating, a color fastness to washing rating, and a color fastness to rubbing of between 1-2. The light fastness level, the color fastness to washing level and the color fastness to rubbing of the experimental samples 1-15 are all higher than those of the comparative samples 1-5, which shows that the light fastness level, the color fastness to washing level and the color fastness to rubbing of the experimental samples 1-15 are all better.
Comparing the experimental samples 1-3 and the comparative samples 1-5, it can be known that the polyvinylamine and the xanthan gum in the color fixing agent are matched with each other, so that the color fixing effect is improved; the polyvinyl amine has high ionic strength and strong molecular action with the dye, so that the polyvinyl amine and the dye interact with each other to play a color fixing effect; the xanthan gum becomes viscous and stable colloid when meeting water, so that the xanthan gum is matched with the polyurethane resin to improve the bonding performance of the textile auxiliary, and is further matched with the dye to play a role in color fixation, improve the color fastness to washing of the fabric, and ensure that the fabric is not easy to fade in the soft washing process. The ultraviolet absorbent UV-101 is also called as ultraviolet absorbent UV-1, and because the ultraviolet absorbent UV-101 has stronger ultraviolet absorption capacity and high light stability under the action of polyurethane, the ultraviolet absorbent UV-101 and the polyurethane cooperate with each other to improve the light fastness of the fabric.
Comparing the experimental sample 2 and the experimental samples 4-7, it can be known that alkylphenol ethoxylates and siloxane polyether are preferably used as the scouring agent, so that the scouring agent has good permeability of the wetting agent, the scouring agent quickly wets the fabric, and components such as the commensal sericin on the fabric are emulsified and dispersed, so that the scouring agent is matched with the leveling agent to improve the dispersing effect of the dye. Fatty acid polyoxyethylene ether and sodium hexadecyl benzene sulfonate are used as leveling agents; on one hand, the dye has chelation effect on metal ions, improves the dispersion effect of the color fixing agent, and prevents the fiber of the fabric from being fragile. The refining agent, the leveling agent and the ultraviolet absorbent UV-101 have good mixing and dissolving effects, so that the ultraviolet absorption capability of the ultraviolet absorbent UV-101 is improved.
Comparing the experimental sample 6 with the experimental sample 8-11, adding the reinforcing agents quartz sand and ceramic micro powder, wherein the reinforcing agents quartz sand and ceramic micro powder have good chemical stability, and simultaneously have the capability of resisting high temperature, thereby being beneficial to improving the color fastness to sunlight of the fabric; in addition, the quartz sand and the ceramic micro powder have higher hardness, and the quartz sand and the ceramic micro powder are matched to improve the friction color fastness of the textile auxiliary agent, so that the friction color fastness of the fabric is further improved, and the fading is reduced. In addition, when the weight ratio of the quartz sand to the ceramic micro powder is between 1 (1-2), the fabric has better friction resistance and color fastness.
Comparing the experimental sample 1 with the experimental samples 14-15, it can be known that the polyester polyurethane resin has better mechanical properties, and ester groups with large polarity in the polyester polyurethane can form hydrogen bonds on hard segments, and polar groups on soft segments can also form hydrogen bonds with polar groups on hard segments, so that an elastic crosslinking effect is formed, and the mechanical properties of the textile auxiliary agent are improved; on the other hand, the polyester polyurethane is matched with a color fixing agent and an ultraviolet absorbent UV-101, so that the fabric has better light fastness.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (9)
1. The textile auxiliary for improving the color fastness is characterized by comprising the following raw materials in parts by weight:
2-3 parts of polyurethane resin;
4-6 parts of a color fixing agent;
2-3 parts of a scouring agent;
1-2 parts of hydroxymethyl cellulose;
20-30 parts of polyacrylamide;
3-5 parts of a leveling agent;
0.02-0.05 part of ultraviolet absorbent UV-101
25-35 parts of deionized water;
the color fixing agent comprises at least one of polyvinylamine and xanthan gum.
2. The textile auxiliary for improving color fastness according to claim 1, wherein the scouring agent comprises at least one of alkylphenol ethoxylates and silicone polyether.
3. The textile auxiliary for improving color fastness according to claim 1, wherein the level dyeing comprises at least one of fatty acid polyoxyethylene ether and sodium hexadecylbenzene sulfonate.
4. The textile auxiliary for improving the color fastness according to claim 1, which is characterized by further comprising 1-1.5 parts by weight of a reinforcing agent, wherein the reinforcing agent consists of quartz powder and ceramic micro powder.
5. The textile auxiliary for improving the color fastness is characterized in that the weight part ratio of quartz powder to ceramic micropowder in the reinforcing agent is 1 (1-2).
6. The textile auxiliary for improving color fastness according to claim 1, characterized in that the textile auxiliary further comprises 0.5-1 part by weight of zinc oxide.
7. A colour fastness enhancing textile auxiliary according to claim 1, wherein the polyurethane is a polyester polyurethane resin.
8. The process for the preparation of a textile auxiliary for improving color fastness as claimed in any of claims 1 to 7, characterized in that it comprises the following steps:
s1, mixing polyacrylamide, polyurethane resin and deionized water uniformly to obtain a first mixture;
s2, mixing the first mixture with a color fixing agent, a leveling agent, hydroxymethyl cellulose, polyacrylamide and a scouring agent, and uniformly mixing to obtain a second mixture;
and S3, mixing the second mixture with a reinforcing agent and zinc oxide, and uniformly mixing to obtain the textile auxiliary.
9. The method as claimed in claim 8, wherein the stirring speed in step S1 is 100-150 r/min.
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