CN114032680B - Preparation method of regenerated cellulose fabric with anti-yellowing and anti-wrinkle functions - Google Patents
Preparation method of regenerated cellulose fabric with anti-yellowing and anti-wrinkle functions Download PDFInfo
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- 238000004383 yellowing Methods 0.000 title claims abstract description 95
- 239000004627 regenerated cellulose Substances 0.000 title claims abstract description 34
- 230000001153 anti-wrinkle effect Effects 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 89
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- 238000012360 testing method Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 16
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 10
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- 238000004132 cross linking Methods 0.000 description 4
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- GGAUUQHSCNMCAU-ZXZARUISSA-N (2s,3r)-butane-1,2,3,4-tetracarboxylic acid Chemical compound OC(=O)C[C@H](C(O)=O)[C@H](C(O)=O)CC(O)=O GGAUUQHSCNMCAU-ZXZARUISSA-N 0.000 description 2
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- STLLXWLDRUVCHL-UHFFFAOYSA-N [2-[1-[2-hydroxy-3,5-bis(2-methylbutan-2-yl)phenyl]ethyl]-4,6-bis(2-methylbutan-2-yl)phenyl] prop-2-enoate Chemical compound CCC(C)(C)C1=CC(C(C)(C)CC)=CC(C(C)C=2C(=C(C=C(C=2)C(C)(C)CC)C(C)(C)CC)OC(=O)C=C)=C1O STLLXWLDRUVCHL-UHFFFAOYSA-N 0.000 description 2
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Abstract
The invention relates to a preparation method of regenerated cellulose fabric with anti-yellowing and anti-wrinkle functions. The method comprises the following steps: pretreating regenerated cellulose fabric, and then preshrinking; mixing the anti-yellowing finishing agent-containing solution with the anti-crease finishing agent-containing solution to obtain mixed finishing liquid, immersing the pre-shrunk fabric in the mixed finishing liquid for finishing, and then sequentially carrying out loose processing, dehydration, tentering and drying. According to the method, good combination of the anti-yellowing finishing agent and the fabric can be realized without adding an adhesive or a cross-linking agent into the finishing liquid, the whole finishing process does not involve absorption and release of formaldehyde, the cost is low, the environment is protected, and the finished fabric has good anti-yellowing and anti-wrinkle performance.
Description
Technical Field
The invention belongs to the technical field of textile finishing, and particularly relates to a preparation method of regenerated cellulose fabric with anti-yellowing and anti-wrinkle functions.
Background
The regenerated cellulose fiber has been industrially produced in the beginning of the 20 th century, and has the similar performance to cotton, moisture regain meeting the physiological requirement of human skin, good luster, hand feeling, drapability, light and thin fabric, moisture absorption, ventilation and easy dyeing, etc. and is widely applied in the fields of medical treatment and health, home textile, clothing, etc. With the development of economy and market, the reduction of cultivated land and the increasing exhaustion of fossil resources such as petroleum, natural gas and the like, the yield of synthetic fibers is more and more restricted. And the cellulose is taken as a green, environment-friendly and renewable resource, and an unprecedented development opportunity is obtained. By utilizing the characteristics of regenerated cellulose, the quality of the fabric can be improved through blending and interweaving with cotton, hemp, silk, chemical fiber and the like, the problems of high price, poor stiffness, easy napping and the like are solved, and the regenerated cellulose market is further expanded. Regenerated cellulose fabrics are prone to yellowing under high temperature conditions. Yellowing of textiles refers to the phenomenon of surface yellowing of textiles under external conditions such as light, high temperature, chemicals, etc. The raw materials of the existing anti-yellowing finishing agent formula have high cost, and most manufacturers use imported products. There are several anti-thermal yellowing agent products on the market today for the finishing of brocade/ammonia elastic fabrics, such as Stabilon NY and Stabi-lon NY-C for hendsmei, umidolPATliq and Umidol UWp, which are expensive. Most of the anti-yellowing finishing agents on the market often release formaldehyde when finishing fabrics, which causes the condition that the formaldehyde content exceeds the standard in the later detection of clothes. For example, document 1 (effect of anti-yellowing finish on formaldehyde mass fraction in fabric [ J ].2019,1 (36), 61-64), studied the change of formaldehyde mass fraction in anti-yellowing finish fabric, adipic dihydrazide (ADH for short), and studied the effect of anti-yellowing source, other dye auxiliary and fabric material on formaldehyde mass fraction in fabric, confirming that formaldehyde mass fraction increases after the anti-yellowing finish fabric is left for a period of time in a specific environment. Among the polycarboxylic acids which have been found to react with cotton fabrics to impart wrinkle resistance are butane tetracarboxylic acid (BTCA), citric Acid (CA), glycerol, malic acid, polymaleic acid, and the like. Therefore, research on the environment-friendly type anti-yellowing and anti-wrinkle regenerated cellulose fabric has very important significance.
The hindered phenol antioxidant is a chain termination antioxidant, and can effectively prevent the oxidative degradation of the polymer due to the characteristics of no pollution, no color change, low toxicity and strong compatibility, and is also an important main antioxidant. Hindered phenol antioxidants are classified into a plurality of types, and in recent years, a plurality of researchers study the relative molecular mass, molecular structure, performance and the like of the hindered phenol antioxidants one by one, obtain achievements brilliant for scientific research, develop a plurality of new products, and have hundreds of types to date. Hindered phenol antioxidants can be divided into three types according to chemical structure: monophenol antioxidants, bisphenol antioxidants and polyphenol antioxidants. For example, document 2 (effect of anti-yellowing finish on formaldehyde mass fraction in fabric [ J ].2017,2017, 41, 6395-6404), synthesis of hyperbranched macromolecular bridged hindered phenols and their oxidative stability, the steric effect of hyperbranched macromolecular bridged hindered phenols increases with increasing length of the alkyl chain of the bridging group, which leads to a decrease in reactivity between the hindered phenol and the radicals generated in AIBN-. Causing an oxidation process of styrene. For simple radical systems, the oxidative stability of hyperbranched macromolecular bridged hindered phenols decreases with increasing alkyl chain length of the bridging group; document 3 (synthesis and characterization of bisphenol monoacrylate antioxidant GS product [ J ].2008,02) uses 2,2' -ethylene bis (4, 6-di-tert-amylphenol) (EBAP for short), acrylic acid, phosphorus oxychloride and the like as reaction raw materials, and synthesizes 2- [1- (2-hydroxy-3, 5-di-tert-amylphenyl) -ethyl ] -4, 6-di-tert-amylphenyl acrylate (GS for short) through esterification reaction. According to the analysis in the current research field, in order to improve the current situation of the regenerated cellulose fabric anti-Huang Kangzhou, a hindered phenol antioxidant can be used for the anti-Huang Kangzhou finishing of the regenerated cellulose fabric.
Disclosure of Invention
The invention aims to solve the technical problem of providing a preparation method of regenerated cellulose fabric with anti-yellowing and anti-wrinkle functions, so as to overcome the defects of non-environment protection and poor effect of anti-yellowing and anti-wrinkle of the fabric in the prior art.
The invention provides a preparation method of regenerated cellulose fabric with anti-yellowing and anti-wrinkle functions, which comprises the following steps:
(1) Pretreating regenerated cellulose fabric, and then preshrinking;
(2) And (3) mixing the solution containing the anti-yellowing finishing agent with the solution containing the anti-crease finishing agent to obtain a mixed finishing liquid, immersing the fabric pre-shrunk in the step (1) in the mixed finishing liquid for finishing, and then sequentially carrying out loose processing, dehydration, tentering and drying to obtain the regenerated cellulose fabric with the anti-yellowing and anti-crease functions.
The step (1) is characterized in that the regenerated cellulose fabric is pretreated as follows: immersing the regenerated cellulose fabric in a pretreatment solution for treatment, wherein the pretreatment solution comprises: 1-3 g/L of sodium carbonate, 0.1-1 g/L of penetrating agent, the balance of water, the pretreatment temperature is 80-100 ℃, and the pretreatment time is 8-15 min.
The pre-shrinking treatment in the step (1) enables the water content of the fabric to be 5-7%.
The anti-yellowing finishing agent in the step (2) comprises a phenolic oxidant, phosphite ester and polyether emulsifier, wherein the mass ratio of the phenolic oxidant to the phosphite ester is 5:1-7:1, and the mass of the polyether emulsifier is 0.2% of the mass of the anti-yellowing finishing agent solution.
The phenolic oxidant is a bisphenol hindered phenol structural compound.
The molecular structure of the double hindered phenol structural compound contains alkoxy and pentenoate.
The phosphite is antioxidant 126.
The crease-resistant finishing agent in the step (2) is a polycarboxylic acid substance.
The structural formula of the polycarboxylic acid substance is as follows:
Wherein R 3 and R 4 are carboxyl groups.
2-8% Of crease-resistant finishing agent, 1-3% of anti-yellowing finishing agent and pH=4.0-6.0 in the mixed finishing liquid in the step (2).
The pH is adjusted by acetic acid or citric acid.
The technological parameters of the impregnation in the step (2) are as follows: the bath ratio is 1:20-1:40, the dipping temperature is 30-50 ℃, and the dipping time is 20-40 min.
And (3) dewatering in the step (2) to ensure that the residual water content of the fabric is 70-80%.
The tentering temperature in the step (2) is 100-140 ℃, the tentering time is 10-30 min, the tentering temperature is not too low, and the crease resistance of the fabric is poor when the tentering temperature is low.
The tentering in the step (2) comprises one or two of damp-heat qualitative and dry-heat setting. The wet heat setting finishing ensures that the fabric has better hand feeling and shrink resistance; the fabric has better flatness by dry heat setting finishing.
The invention also provides the regenerated cellulose fabric with the functions of resisting yellowing and wrinkling, which is prepared by the preparation method.
The invention also provides application of the regenerated cellulose fabric with the functions of resisting yellowing and wrinkling in clothing or medical and health products.
The molecular structure of the fabric subjected to the anti Huang Kangzhou finishing does not contain ADH, the finished fabric does not absorb and release free formaldehyde in the air, the environment-friendly requirement is met, and the fabric does not contain APEO.
The anti-yellowing finishing agent adopted by the invention is easy to dissolve in water, can be compatible with most nonionic anionic assistants, and can be used together with other finishing agents.
The method has simple steps, and uses the compound containing the double hindered phenol structures as the anti-yellowing agent, wherein the molecular weight of the anti-yellowing agent is larger, the oxidation resistance is improved by the alkoxy at the ortho position of the phenolic hydroxyl, and the phenolic hydroxyl in the molecular structure is combined with the olefine acid, so that the molecular weight of the anti-yellowing agent is increased, thereby being beneficial to improving the anti-yellowing stability. The selected polycarboxylic acid crease-resistant finishing agent not only can react with the fabric, but also can carry out crosslinking reaction with the anti-yellowing finishing agent, the combination of the anti-yellowing finishing agent and the fabric is increased, and the fabric with good anti-yellowing and crease-resistant effects can be obtained without introducing a polymer binder, namely, the anti-yellowing finishing agent and the crease-resistant finishing agent are mixed according to a certain proportion to treat the fabric, and active functional groups in the molecular structure of the crease-resistant finishing agent are as follows: the carboxyl and the like can be combined with the fabric and the anti-yellowing finishing agent, so that the adhesive force between the anti-yellowing finishing agent and the fabric is improved, the durability of the anti-yellowing performance of the subsequent anti-fabric fiber is ensured to achieve the anti-wrinkling effect, and the anti-yellowing problem of the fabric finished by the anti-yellowing finishing agent is solved by the anti-yellowing finishing agent.
According to the invention, the finishing agent and water are mixed to prepare the transparent solution, then the pH value is regulated through citric acid or acetic acid, the fabric is finished, and then the fabric is subjected to loose processing, dehydration and tentering, so that a layer of high-temperature resistant film is formed on the surface of the fabric, the inside of the fabric is crosslinked to a certain extent, the durable Huang Kangzhou fabric is obtained, the durability of the fabric function is improved, the yellowing problem of the fabric finished by the crease-resistant finishing agent is avoided, and meanwhile, the fabric has an unused style by adopting wet/dry heat setting. The anti-yellowing finishing agent and the anti-wrinkling finishing agent are used for finishing the fabric in a loose processing and dipping method, and compared with a direct padding method, the method is favorable for combining molecules of the anti-yellowing agent and the anti-wrinkling agent, so that the anti-wrinkling effect is improved. Prevent yellowing caused by oxidation and wrinkling during washing, and avoid the problems of lack of aesthetic feeling, poor air permeability, peculiar smell and easy aging of the product.
The invention explores the influence of the dosage of the anti-yellowing finishing agent and the anti-crease finishing agent and the tentering processing mode on the anti-yellowing and anti-crease effects and styles of the fabrics, and the dosage of the anti-yellowing finishing agent and the anti-crease finishing agent is not easy to be too low or too high, otherwise, the anti-yellowing and anti-crease effects of the fabrics and the handfeel of the fabrics are affected; the manner in which the tenter process is found to affect the style of the finished fabric.
Advantageous effects
According to the invention, the anti-yellowing finishing agent and the anti-crease finishing agent are finished on the fabric, so that the fabric has an anti-yellowing and anti-crease effect, and can keep good performance under high temperature conditions without damaging the color. Active groups such as carboxyl and the like contained in the molecular structure of the anti-wrinkle finishing agent can react with the anti-yellowing finishing agent and the fabric at high temperature, so that the acting force of the combination of the anti-yellowing finishing agent and the fabric is improved, the yellowing problem of the fabric finished by the anti-wrinkle finishing agent is solved, and the crease recovery angle of the finished fabric is improved by 10-30%.
According to the invention, good combination of the anti-yellowing finishing agent and the fabric can be realized without adding an adhesive or a cross-linking agent into the finishing liquid, and the whole finishing process does not involve absorption and release of formaldehyde, so that the method is low in cost and environment-friendly.
In conclusion, the invention solves the problems of environmental protection disadvantage, weakening of yellowing resistance, complex process and the like of the prior art.
Detailed Description
The application will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present application and are not intended to limit the scope of the present application. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present application, and such equivalents are intended to fall within the scope of the application as defined in the appended claims.
Phenolic oxidants, anti-yellowing finishes, anti-crease finishes, and the like are provided by Zhejiang family of silicone limited.
Example 1
(1) Pretreatment of regenerated cellulose fabric: immersing the regenerated cellulose fabric in a pretreatment solution, wherein the concentration of each component in the treatment solution is as follows: 2g/L of sodium carbonate, 0.5g/L of penetrating agent JFC and the balance of water; wherein the temperature is 90 ℃ and the time is 10min; the fabric was then shrink-proof treated to give a fabric moisture content of 80%.
(2) Preparing an anti-yellowing finishing agent solution: mixing an anti-yellowing finishing agent (the mass ratio of a phenolic oxidant to phosphite ester is 6:1, the mass of a polyether emulsifier is 0.2% of the mass of an anti-yellowing finishing agent solution), a penetrating agent and water according to a proper proportion (the anti-yellowing finishing agent is 3%), the penetrating agent JFC 2g/L, the pH value is about 5.0 (citric acid adjustment), the balance is water, then uniformly mixing the solution for standby under a stirrer, wherein the stirring speed is 200rpm for 10min, and the structural formula of the phosphite ester antioxidant 126 and the phenolic oxidant is as follows
(3) Preparing an anti-wrinkle finishing agent solution: mixing the crease-resistant finishing agent, the strong protective agent and water according to a proper proportion (crease-resistant finishing agent: 5% and a proper amount of strong protective agent), and then uniformly mixing the solution for standby under a stirrer, wherein the stirring speed is 200rpm for 10min; wherein the crease-resistant finishing agent has the structural formula: Wherein R 3 and R 4 are carboxyl groups.
(4) The fabric is subjected to dipping finishing, the anti-yellowing finishing agent solution and the anti-crease finishing agent solution are mixed (the molar ratio of the phenolic oxidant in the anti-yellowing finishing agent to the anti-crease finishing agent is 1:1), the treated fabric is used, the bath ratio is 1:30, the dipping temperature is 50 ℃, the dipping time is 30min, and the dehydration residual water content is 70% -80%.
(5) Wet heat setting to form one layer of high temperature resistant film on the surface of the fabric and to react between the crease-resisting finishing agent molecule, the fabric and the yellow-resisting finishing agent; wherein the temperature is 130 ℃ and the time is 20min.
Testing the yellowing resistance and crease resistance of fabrics:
The hand feeling soft of the finished fabric, before and after finishing the fabric, measuring the apparent color depth at the maximum absorption wavelength before and after finishing by adopting a computer color measuring and matching instrument under the condition of room temperature, keeping the test surface smooth, measuring for multiple times, and taking an average value to obtain the color difference of the fabric, wherein the color difference is 0.2; according to GB/T3819-1997 method for testing recovery angle of crease recovery of textile fabrics, the warp and weft recovery angles of a test sample are respectively improved by 28% and 24% after the finishing agent is used for finishing the warp and weft recovery angles of the fabrics. The warp and weft recovery angles of the fabric finished with the anti-wrinkle finish alone were increased by 19% and 17%, respectively. These results indicate that the fabric has good anti-yellowing and anti-wrinkle effects.
Example 2
According to example 1, steps (1) - (4) are identical to example 1, except for step (5), step (5) being specifically: dry heat setting to form a layer of high temperature resistant film on the surface of the fabric, and reacting the crease-resistant finishing agent molecules with the fabric and the yellow-resistant finishing agent; wherein the temperature is 140 ℃ and the time is 20min.
Testing the yellowing resistance and crease resistance of fabrics:
The hand feeling soft of the finished fabric, before and after finishing the fabric, measuring the apparent color depth at the maximum absorption wavelength before and after finishing by adopting a computer color measuring and matching instrument under the condition of room temperature, keeping the test surface smooth, measuring for multiple times, and taking the average value to obtain the color difference of the fabric, wherein the color difference is 0.3; according to GB/T3819-1997 method for testing recovery angle of crease recovery of textile fabrics, the warp and weft recovery angles of a test sample are respectively improved by 25% and 21% after the finishing agent is used for finishing the warp and weft recovery angles of the fabrics. The warp and weft recovery angles of the fabric finished with the anti-wrinkle finishing agent alone are improved by 16% and 15%, respectively. These results indicate that the fabric has good anti-yellowing and anti-wrinkle effects.
Example 3
According to example 1, steps (1) - (4) are identical to example 1, except for step (5), step (5) being specifically: dry heat setting to form a layer of high temperature resistant film on the surface of the fabric, and reacting the crease-resistant finishing agent molecules with the fabric and the yellow-resistant finishing agent; wherein the temperature is 130 ℃ and the time is 20min.
Testing the yellowing resistance and crease resistance of fabrics:
before and after finishing the fabric, measuring the apparent color depth at the maximum absorption wavelength before and after finishing by adopting a computer color measuring and matching instrument under the condition of room temperature, keeping the test surface smooth, measuring for multiple times, and taking an average value to obtain the color difference of the fabric, wherein the color difference is 0.3; according to GB/T3819-1997 method for testing recovery angle of crease recovery of textile fabrics, the warp and weft recovery angles of a test sample are respectively improved by 21% and 20% after the finishing agent is used for finishing the warp and weft recovery angles of the fabrics. The warp and weft recovery angles of the fabric finished with the anti-wrinkle finish were increased by 13% and 14%, respectively. These results indicate that the fabric has good anti-yellowing and anti-wrinkle effects.
Comparative example 1
The preparation of regenerated cellulose fabric with anti-yellowing and anti-wrinkle functions is basically the same as that of the example 1, except that the amount of the anti-yellowing finishing agent in the step (1) in the comparative example 1 is 1%, and the anti-wrinkling effect is good under the condition of the amount of the comparative example 1, but the apparent color depth at the maximum absorption wavelength before and after finishing is measured by adopting a computer color measuring and matching instrument under the room temperature condition, the test surface is kept smooth, and the average value is measured for a plurality of times, so that the color difference of the fabric can be obtained, the color difference is 0.9, and the anti-yellowing effect of the fabric is poor, because the content of the anti-yellowing finishing agent is small, and the cross-linking can occur under the temperature, but a continuous film cannot be formed.
Comparative example 2
A regenerated cellulose fabric with anti-yellowing and anti-wrinkle functions is prepared, and the steps are basically the same as those of the example 1, except that the anti-wrinkling finishing agent in the step (3) in the comparative example 1 is used in an amount of 8%, and the finished fabric has poor hand feeling because the anti-wrinkling finishing agent is too much, and the degree of crosslinking with the anti-yellowing finishing agent and the fabric is larger, and the hand feeling is worse.
Comparative example 3
The preparation of regenerated cellulose fabric with anti-yellowing and anti-wrinkle functions is basically the same as that of the embodiment 1, except that in the step (4) of the comparative example 1, the soaking time is 10min, the apparent color depth at the maximum absorption wavelength before and after finishing is measured by adopting a computer color measuring and matching instrument under the room temperature condition, the test surface is kept flat, and the average value is measured for a plurality of times, so that the color difference of the fabric can be obtained, the color difference is 1.0, the anti-yellowing effect is poor, the combination time of the finishing agent and the fabric is short, the content of the finishing agent on the fabric is small, and the anti-yellowing effect is poor.
Comparative example 4
The preparation of regenerated cellulose fabric with anti-yellowing and anti-wrinkle functions is basically the same as that of the embodiment 1, except that phosphite esters are not contained in the anti-yellowing agent solution in the step (4) of the embodiment 1, apparent color depth at the maximum absorption wavelength before and after finishing is measured by adopting a computer color measuring and matching instrument under the condition of room temperature, a test surface is kept flat, and average value is measured for multiple times, so that the color difference of the fabric can be obtained, the color difference is 0.8, and the anti-yellowing effect of the fabric is slightly poor because the main antioxidant and the phosphite esters are mixed for use, and the complementary oxidation performance can be achieved.
Comparative example 5
The preparation of regenerated cellulose fabric with anti-yellowing and anti-wrinkle functions has the steps basically same as those of the embodiment 1, and is characterized in that the baking temperature of the step (5) in the comparative embodiment 1 is 100 ℃, the apparent color depth at the maximum absorption wavelength before and after finishing is measured by adopting a computer color measuring and matching instrument under the room temperature condition, the test surface is kept smooth, and the average value is obtained by measuring for a plurality of times, so that the color difference of the fabric can be obtained, and the color difference is 1.0; according to GB/T3819-1997 method for testing recovery angle of crease recovery of textile fabrics, the warp and weft recovery angles of a test sample are respectively improved by 17% and 14% after the finishing agent is used for finishing the warp and weft recovery angles of the fabrics. The finished fabrics prepared therefrom have poor yellowing and crease resistance and poor durability due to the low crosslinking efficiency between the finishes and the fabrics at this temperature.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. A preparation method of regenerated cellulose fabric with anti-yellowing and anti-wrinkle functions comprises the following steps:
(1) Pretreating regenerated cellulose fabric, and then preshrinking;
(2) Mixing the solution containing the anti-yellowing finishing agent with the solution containing the anti-crease finishing agent to obtain mixed finishing liquid, immersing the fabric pre-shrunk in the step (1) into the mixed finishing liquid for finishing, and then sequentially carrying out loose processing, dehydration, tentering and drying to obtain the regenerated cellulose fabric with the anti-yellowing and anti-crease functions; wherein the anti-yellowing finishing agent comprises a phenolic oxidant, phosphite ester and polyether emulsifier; the crease-resistant finishing agent is a polycarboxylic acid substance; wherein the mass ratio of the phenolic oxidant to the phosphite ester in the anti-yellowing finishing agent is 5:1-7:1, and the mass of the polyether emulsifier is 0.2% of the mass of the anti-yellowing finishing agent solution; the phenolic oxidant is a bisphenol hindered phenol structural compound; the molecular structure of the double hindered phenol structural compound contains alkoxy and pentenoate.
2. The method of claim 1, wherein the step (1) pretreats the regenerated cellulose fabric to: immersing the regenerated cellulose fabric in a pretreatment solution for treatment, wherein the pretreatment solution comprises: 1-3 g/L of sodium carbonate, 0.1-1 g/L of penetrating agent, the balance of water, the pretreatment temperature is 80-100 ℃, and the pretreatment time is 8-15 min.
3. The method of claim 1, wherein the pre-shrinking treatment in step (1) results in a fabric moisture content of 5 to 7%.
4. The process of claim 1, wherein the phosphite of step (2) is an antioxidant 126.
5. The method according to claim 1, wherein the crease-resistant finishing agent in the mixed finishing liquid in the step (2) is 2-8%, the yellowing-resistant finishing agent is 1-3%, and the ph=4.0-6.0.
6. The method according to claim 1, wherein the process parameters of the impregnation in step (2) are: the bath ratio is 1:20-1:40, the dipping temperature is 30-50 ℃, and the dipping time is 20-40 min.
7. The method according to claim 1, wherein the dehydration in the step (2) is performed so that the residual water content of the fabric is 70% -80%; the tentering temperature is 100-140 ℃ and the tentering time is 10-30 min; tentering includes one or both of damp-heat qualitative and dry-heat setting.
8. A regenerated cellulose fabric with anti-yellowing and anti-wrinkle functions prepared by the preparation method of claim 1.
9. Use of the regenerated cellulose fabric with anti-yellowing and anti-wrinkle functions according to claim 8 in clothing or medical and health products.
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| CN202111588858.0A CN114032680B (en) | 2021-12-23 | Preparation method of regenerated cellulose fabric with anti-yellowing and anti-wrinkle functions |
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| CN202111588858.0A CN114032680B (en) | 2021-12-23 | Preparation method of regenerated cellulose fabric with anti-yellowing and anti-wrinkle functions |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5695528A (en) * | 1994-07-13 | 1997-12-09 | Nippon Chemical Industrial Co., Ltd. | Treating agent for cellulosic textile material and process for treating cellulosic textile material |
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5695528A (en) * | 1994-07-13 | 1997-12-09 | Nippon Chemical Industrial Co., Ltd. | Treating agent for cellulosic textile material and process for treating cellulosic textile material |
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