CN102002854A - Multifunctional textile finishing agent, preparation method thereof and cotton textile finishing method - Google Patents
Multifunctional textile finishing agent, preparation method thereof and cotton textile finishing method Download PDFInfo
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Abstract
The invention discloses a multifunctional textile finishing agent. The multifunctional textile finishing agent comprises the following components in percentage by weight: 1.00 to 5.00 percent of fibroin, 0.01 to 0.10 percent of chitosan, 0.01 to 0.50 percent of titanium dioxide, 0.01 to 1.50 percent of cross-linking agent, 0.50 to 5.00 percent of acetic acid, 0.10 to 0.80 percent of metal salt catalyst and the balance of water. The ecological multifunctional textile finishing agent involved by the invention is made of environment-friendly raw materials, is convenient to process, is not toxic or harmful to a human body and have no pollution; a finishing method is simple and is suitable for industrial production by a padding method; and the appearance of a finished textile is not influenced, namely the color does not turn yellow and the finished textile has a good anti-wrinkle effect and comfortable handfeel.
Description
Technical field
The invention belongs to the after-finishing of textile products technical field, relate to a kind of multifunctional fabric finishing agent and preparation method thereof and COTTON FABRIC method for sorting.
Background technology
Along with the continuous enhancing of domestic and international environmental protection consciousness, exploitation textiles formaldehyde-free durable crease-proof finishing agent becomes development trend.Formaldehydeless finishing agent of having developed such as epoxy resin, double hydroxyethyl sulfone, polybasic carboxylic acid and soluble polyurethane etc., in application, obtained certain effect, but all there is big, the easily yellowing of certain shortcoming such as ageing low, strength damage, particularly these finishing agents all are chemical syntheses, and some also has hypotoxicity.
Environmental fabric finishing agent is safe, nontoxic and excellent biological compatibility with it, and is noticeable gradually in recent years, and it is put in order COTTON FABRIC with natural materials such as protein, chitin, shitosan etc.Raising along with people's living standard, the consumer not only considers the quality index of textiles and takes performance now, more consider environmental protection indexs such as harm, wish that textiles has more functions to the human body beneficial health, as have skin care, antibiotic, preserve moisture, uvioresistant etc.Though these environmental finishing agent raw material greens, safe in utilization, simple use still exists the problem of poor, the wrinkle resistant durability deficiency of anchor effect, and can not fully satisfy these required functions of health of people simultaneously.
Summary of the invention
The purpose of this invention is to provide a kind of environmental multifunctional fabric finishing agent and method for sorting that contains fibroin and shitosan, it can be used in the arrangement of COTTON FABRIC, active ingredient in the dressing liquid anchors in the fabric securely, fabric color and whiteness there is not influence, make have in the fabric lasting preserve moisture, multinomial function such as skin care, antibiotic and uvioresistant, and make crease-proofing textiles containing good endurance, soft.
For achieving the above object, the technical solution used in the present invention is as follows:
Multifunctional fabric finishing agent of the present invention, it is made up of following components in weight percentage:
Fibroin 1.00-5.00%
Shitosan 0.01-0.10%
Titanium dioxide 0.01-0.50%
Crosslinking agent 0.01-1.50%
Acetic acid 0.50-5.00%
Metal salt catalyst 0.10-0.80%
Surplus is a water.
Described fibroin inherent viscosity [η]=0.15-0.30.
Described chitosan molecule amount is 2500-5000, deacetylation 〉=90%.
Described crosslinking agent be glyoxal, in glutaraldehyde, diglycidyl ether etc. any one.
Described metal salt catalyst is a kind of in magnesium chloride, the aluminium chloride.
The preparation method of multifunctional fabric finishing agent of the present invention, carry out according to the following steps:
(1) to put concentration expressed in percentage by weight under the condition of boiling into be 0.5% Na to silk
2CO
3Come unstuck in the solution 3 times, each 30 minutes, use hot water injection 3 times, under 50-70 ℃, to dry, shred then, the consumption of silk is the Na of concentration expressed in percentage by weight 0.5%
2CO
3The 1%-4% of solution.
(2) in molar ratio, anhydrous calcium chloride: ethanol: water=1:2:8 makes ternary solution, the silk fiber of gained in the step (1) was dissolved 60-180 minute in above-mentioned ternary solution under 75 ℃ of conditions, filtration obtains the fibroin lysate, the bag filter of again it being packed into places clear water to dialyse, and changes one time water in every 2-4 hour, through 3 days concentrated silk fibroin solutions that obtain in dialysis back, the consumption of above-mentioned ternary solution was 10-25 a times of silk consumption.
(3) in the silk fibroin solution of the hydrochloric acid solution that adds 3.0mol/L in the step (2), under 55-85 ℃ of condition hydrolysis 90-150 minute, to neutral, obtain the silk fibroin solution of inherent viscosity [η]=0.15-0.30 with the NaOH titration of 1-5mol/L.3.0mol/L the volumetric usage of hydrochloric acid solution be the 1-5% of gained silk fibroin solution volume in the step (2),
(4) press butyl titanate: absolute ethyl alcohol: the volume ratio of acetylacetone,2,4-pentanedione=1:10-40:0.1-0.15, blended under agitation 30min in magnetic stirrer, configuration butyl titanate precursor solution.
(5) the butyl titanate precursor solution with gained in the step (4) slowly is added drop-wise under intense stirring condition in the silk fibroin solution of step (3) gained, drips time 120-240 minute; Continue subsequently glacial acetic acid, shitosan, crosslinking agent and metal salt catalyst are added and stirring and dissolving, make the environmental multifunctional fabric finishing agent that contains fibroin and shitosan.
The method of utilizing multifunctional fabric finishing agent of the present invention that COTTON FABRIC is put in order, specifically adopt following steps:
(1) COTTON FABRIC is dipped in the sodium hydroxide solution of mass percentage concentration 10-30%, and dipping took out after 10-60 minute under the room temperature, was washed with water to neutrality, wrung out.The consumption of sodium hydroxide solution is 50-100 a times of COTTON FABRIC weight.
(2) the environmental multifunctional fabric finishing agent of the present invention back arrangement that is applied to COTTON FABRIC adopts two to soak two roll process, the consumption of environmental multifunctional fabric finishing agent be COTTON FABRIC weight 10-60 doubly, dip time 20-60 minute, pick-up rate 80-100%.
(3) pad the COTTON FABRIC that obtains in the step (2) at 60-90 ℃ of preliminary drying 30-120 minute, baked 1-8 minute at 110-140 ℃ subsequently, finish the environmental multi-functional arrangement of fabric.
Compared with prior art, advantage of the present invention is:
(1) environmental multifunctional fabric finishing agent raw material green involved in the present invention, easy to process and nontoxic, harmless, pollution-free to human body;
(2) method for sorting technology involved in the present invention is simple, adopts padding method to be fit to suitability for industrialized production;
(3) appearance of fabrics of the present invention's arrangement is unaffected, and promptly yellowing phenomenon, good, the comfortable feel of anti-wrinkle effect can not appear in color;
(4) fibroin albumen is rich in amino acid, has the effect that skin care is preserved moisture, the effect that shitosan has is antibiotic, preserve moisture, and titanium dioxide has uvioresistant function, thereby multinomial functions such as the fabric of the present invention's arrangement possesses skin care simultaneously, preserves moisture, antibiotic, uvioresistant;
(5) the present invention adopts the mode of chemical crosslinking to make fibroin albumen, shitosan and fabric crosslinked, and these functions have permanent retentivity.
COTTON FABRIC after the arrangement is carried out the main performance test, adopts following method:
(1) testing standard of creasy recovery angle is with reference to GB3819-83;
(2) testing standard of anti-microbial property adopts GB15981-1955;
(3) testing standard of ultraviolet protection coefficient (UPF) adopts AS/NZS4399-96;
(4) testing standard of fabric whiteness is with reference to GB 8425-87.
The specific embodiment
Case study on implementation 1
The preparation process of environmental multifunctional fabric finishing agent is as follows:
(1) to put concentration expressed in percentage by weight under the condition of boiling into be 0.5% Na to silk
2CO
3Come unstuck in the solution 3 times, each 30 minutes, use hot water injection 3 times, under 55 ℃, to dry, shred then, the consumption of silk is the Na of concentration expressed in percentage by weight 0.5%
2CO
31.5% of solution.
(2) in molar ratio, anhydrous calcium chloride: ethanol: water=1:2:8 makes ternary solution, the silk fiber of gained in the step (1) was dissolved 180 minutes in above-mentioned ternary solution under 75 ℃ of conditions, filtration obtains the fibroin lysate, the bag filter of again it being packed into places clear water to dialyse, and changes one time water in per 2 hours, obtain silk fibroin solution through concentrating after the dialysis in 3 days, the consumption of above-mentioned ternary solution is 15 times of silk consumption.
(3) in the silk fibroin solution of the hydrochloric acid solution that adds 3.0mol/L in the step (2), hydrolysis is 150 minutes under 60 ℃ of conditions, to neutral, obtains the silk fibroin solution of inherent viscosity [η]=0.25 with the NaOH titration of 1.5mol/L.3.0mol/L the volumetric usage of hydrochloric acid solution be in the step (2) gained silk fibroin solution volume 3%.
(4) press butyl titanate: absolute ethyl alcohol: the volume ratio of acetylacetone,2,4-pentanedione=1:20:0.1, blended under agitation 30min in magnetic stirrer, configuration butyl titanate precursor solution.
(5) the butyl titanate precursor solution with gained in the step (4) slowly is added drop-wise in the silk fibroin solution of step (3) gained 120 minutes dropping time under intense stirring condition; Subsequently glacial acetic acid, shitosan, glutaraldehyde and magnesium chloride are added successively, stirring and dissolving.Obtain containing the environmental multifunctional fabric finishing agent of fibroin and shitosan, the mass percentage concentration 1.5% of fibroin wherein, shitosan 0.03%, titanium dioxide 0.4%, crosslinking agent 0.5%, acetic acid 1.0 %, magnesium chloride 0.2%.
Case study on implementation 2
The preparation process of environmental multifunctional fabric finishing agent is as follows:
(1) to put concentration expressed in percentage by weight under the condition of boiling into be 0.5% Na to silk
2CO
3Come unstuck in the solution 3 times, each 30 minutes, use hot water injection 3 times, under 65 ℃, to dry, shred then, the consumption of silk is the Na of concentration expressed in percentage by weight 0.5%
2CO
33% of solution.
(2) in molar ratio, anhydrous calcium chloride: ethanol: water=1:2:8 makes ternary solution, the silk fiber of gained in the step (1) was dissolved 120 minutes in above-mentioned ternary solution under 75 ℃ of conditions, filtration obtains the fibroin lysate, the bag filter of again it being packed into places clear water to dialyse, and changes one time water in per 3 hours, through obtaining silk fibroin solution after the dialysis in 3 days, the consumption of above-mentioned ternary solution is 20 times of silk consumption.
(3) in the silk fibroin solution of the hydrochloric acid solution that adds 3.0mol/L in the step (2), hydrolysis is 120 minutes under 70 ℃ of conditions, to neutral, obtains the silk fibroin solution of inherent viscosity [η]=0.18 with the NaOH titration of 3mol/L.3.0mol/L the volumetric usage of hydrochloric acid solution be in the step (2) gained silk fibroin solution volume 2.2%.
(4) press butyl titanate: absolute ethyl alcohol: the volume ratio of acetylacetone,2,4-pentanedione=1:30:0.15, blended under agitation 30min in magnetic stirrer, configuration butyl titanate precursor solution.
(5) the butyl titanate precursor solution with gained in the step (4) slowly is added drop-wise in the silk fibroin solution of step (3) gained 200 minutes dropping time under intense stirring condition; To continue glacial acetic acid, shitosan, crosslinking agent and aluminium chloride stirring and dissolving subsequently.Obtain containing the environmental multifunctional fabric finishing agent of fibroin and shitosan, the mass percentage concentration 3.0% of fibroin wherein, shitosan 0.05%, titanium dioxide 0.2%, crosslinking agent 1%, acetic acid 2%, aluminium chloride 0.6%.
Case study on implementation 3
It is as follows to contain the step that the environmental multifunctional fabric finishing agent of fibroin and shitosan puts in order COTTON FABRIC:
(1) plain woven COTTON FABRIC (150g/m
2) be dipped in the sodium hydroxide solution of mass percentage concentration 21%, dipping took out after 30 minutes under the room temperature, was washed with water to neutrality, wrung out and obtained the alkali treatment COTTON FABRIC.The consumption of sodium hydroxide solution is 40 times of COTTON FABRIC weight.
(2) resulting alkali treatment COTTON FABRIC in the step (1) two is soaked two and rolled in the environmental multifunctional fabric finishing agent of case study on implementation 1.Environmental multifunctional fabric finishing agent is 30 times of COTTON FABRIC weight, dip time 40 minutes, pick-up rate 85%.
(3) with padding the COTTON FABRIC that obtains in the step (2), baked 3 minutes at 130 ℃ subsequently, finish the environmental multi-functional arrangement of COTTON FABRIC 80 ℃ of preliminary dryings 60 minutes.
Table 1 has shown the whiteness of arrangement back COTTON FABRIC, crease-resistant, anti-ultraviolet and anti-microbial property, and table 2 has shown the whiteness of the fabric after 50 washings of the COTTON FABRIC after the arrangement, crease-resistant, anti-ultraviolet and anti-microbial property.
Case study on implementation 4
(1) COTTON FABRIC is dipped in the sodium hydroxide solution of mass percentage concentration 14%, and dipping took out after 60 minutes under the room temperature, was washed with water to neutrality, wrung out the COTTON FABRIC that obtains alkali treatment.The consumption of sodium hydroxide solution is 60 times of COTTON FABRIC weight.
(2) resulting alkali treatment COTTON FABRIC in the step (1) two is soaked two and rolled in the environmental multifunctional fabric finishing agent of case study on implementation 2.Environmental multifunctional fabric finishing agent is 40 times of COTTON FABRIC weight, dip time 60 minutes, pick-up rate 90%.
(3) with padding the COTTON FABRIC that obtains in the step (2), baked 7 minutes at 120 ℃ subsequently, finish the environmental multi-functional arrangement of fabric 70 ℃ of preliminary dryings 120 minutes.
Table 1 has shown the whiteness of arrangement back COTTON FABRIC, crease-resistant, anti-ultraviolet and anti-microbial property, and table 2 has shown the whiteness of the fabric after 50 washings of the COTTON FABRIC after the arrangement, crease-resistant, anti-ultraviolet and anti-microbial property.
Physical property after the arrangement of table 1 COTTON FABRIC
Physical property after the COTTON FABRIC arrangement that table 2 washing is 50 times
By as can be seen above, adopt the environmental multifunctional fabric finishing agent that contains fibroin and shitosan of the present invention, according to finishing technique of the present invention COTTON FABRIC is put in order, COTTON FABRIC after the arrangement has good crease-resistant, anti-ultraviolet and anti-microbial property, and arrangement is little to the whiteness influence of fabric, and finishing effect has durability.
Claims (7)
1. multifunctional fabric finishing agent is characterized in that it is made up of following components in weight percentage:
Fibroin 1.00-5.00%
Shitosan 0.01-0.10%
Titanium dioxide 0.01-0.50%
Crosslinking agent 0.01-1.50%
Acetic acid 0.50-5.00%
Metal salt catalyst 0.10-0.80%
Surplus is a water.
2. multifunctional fabric finishing agent according to claim 1 is characterized in that: described fibroin inherent viscosity [η]=0.15-0.30.
3. multifunctional fabric finishing agent according to claim 1 and 2 is characterized in that: described chitosan molecule amount is 2500-5000, deacetylation 〉=90%.
4. multifunctional fabric finishing agent according to claim 3 is characterized in that: described crosslinking agent be glyoxal, in glutaraldehyde, diglycidyl ether etc. any one.
5. multifunctional fabric finishing agent according to claim 4 is characterized in that: described metal salt catalyst is a kind of in magnesium chloride, the aluminium chloride.
6. the preparation method of the described multifunctional fabric finishing agent of claim 1 is characterized in that carrying out according to the following steps:
(1) to put concentration expressed in percentage by weight under the condition of boiling into be to come unstuck 3 times in 0.5% the Na2CO3 solution to silk, each 30 minutes, with hot water injection 3 times, under 50-70 ℃, to dry, shred then, the consumption of silk is the 1%-4% of the Na2CO3 solution of concentration expressed in percentage by weight 0.5%;
(2) in molar ratio, anhydrous calcium chloride: ethanol: water=1:2:8 makes ternary solution, the silk fiber of gained in the step (1) was dissolved 60-180 minute in above-mentioned ternary solution under 75 ℃ of conditions, filtration obtains the fibroin lysate, the bag filter of again it being packed into places clear water to dialyse, and changes one time water in every 2-4 hour, through 3 days concentrated silk fibroin solutions that obtain in dialysis back, the consumption of above-mentioned ternary solution was 10-25 a times of silk consumption;
(3) in the silk fibroin solution of the hydrochloric acid solution that adds 3.0mol/L in the step (2), under 55-85 ℃ of condition hydrolysis 90-150 minute, NaOH titration with 1-5mol/L is extremely neutral, obtain the silk fibroin solution of inherent viscosity [η]=0.15-0.30, the volumetric usage of the hydrochloric acid solution of 3.0mol/L is the 1-5% of gained silk fibroin solution volume in the step (2);
(4) press butyl titanate: absolute ethyl alcohol: the volume ratio of acetylacetone,2,4-pentanedione=1:10-40:0.1-0.15, blended under agitation 30min in magnetic stirrer, configuration butyl titanate precursor solution;
(5) the butyl titanate precursor solution with gained in the step (4) slowly is added drop-wise under intense stirring condition in the silk fibroin solution of step (3) gained, drips time 120-240 minute; Continue subsequently glacial acetic acid, shitosan, crosslinking agent and metal salt catalyst are added and stirring and dissolving, make the environmental multifunctional fabric finishing agent that contains fibroin and shitosan.
7. the method for utilizing the described multifunctional fabric finishing agent of claim 1 that COTTON FABRIC is put in order is characterized in that, specifically adopts following steps:
(1) COTTON FABRIC is dipped in the sodium hydroxide solution of mass percentage concentration 10-30%, and dipping took out after 10-60 minute under the room temperature, was washed with water to neutrality, wrings out, and the consumption of sodium hydroxide solution is 50-100 a times of COTTON FABRIC weight;
(2) the environmental multifunctional fabric finishing agent of the present invention back arrangement that is applied to COTTON FABRIC adopts two to soak two roll process, the consumption of environmental multifunctional fabric finishing agent be COTTON FABRIC weight 10-60 doubly, dip time 20-60 minute, pick-up rate 80-100%;
(3) pad the COTTON FABRIC that obtains in the step (2) at 60-90 ℃ of preliminary drying 30-120 minute, baked 1-8 minute at 110-140 ℃ subsequently, finish the environmental multi-functional arrangement of fabric.
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| CN110359278A (en) * | 2019-08-02 | 2019-10-22 | 安徽恒益纺织科技有限公司 | It is a kind of to slow down the inorganic agent and its application method that pure cotton fabric fades |
| CN110656485A (en) * | 2019-10-09 | 2020-01-07 | 苏州经贸职业技术学院 | Preparation method of natural antibacterial crease-resistant finishing agent |
| CN112553897A (en) * | 2020-12-31 | 2021-03-26 | 苏州经贸职业技术学院 | Preparation method of durable super-soft crease-resistant functional agent |
| WO2024055565A1 (en) * | 2022-09-13 | 2024-03-21 | 罗莱生活科技股份有限公司 | Photoresponsive antibacterial fabric softening agent |
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