CN105064020A - Novel Chinese yam compound anti-bacterial deodorizing finishing agent as well as preparation method and fiber treatment method thereof - Google Patents
Novel Chinese yam compound anti-bacterial deodorizing finishing agent as well as preparation method and fiber treatment method thereof Download PDFInfo
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Abstract
The invention discloses a novel Chinese yam compound anti-bacterial deodorizing finishing agent as well as a preparation method and a fiber treatment method thereof. The novel Chinese yam compound anti-bacterial deodorizing finishing agent is prepared from a Chinese yam extract, a finishing agent and a sodium cellulose glycolate. The Chinese yam extract and the sodium cellulose glycolate are combined to be introduced into the field of anti-bacterial deodorizing finishing agents, so that the novel Chinese yam compound anti-bacterial deodorizing finishing agent is wild and free from damage to human bodies, and the problems of poor dispersibility and poor uniformity between a traditional antibacterial agent and fibers are solved. The invention further discloses a method for finishing fibers by utilizing the Chinese yam compound anti-bacterial deodorizing finishing agent. The novel Chinese yam compound anti-bacterial deodorizing finishing agent is convenient to use, durable and stable in anti-bacterial deodorizing effect, environmentally friendly and safe, and has relatively high market popularization value.
Description
Technical field
The invention belongs to textile auxiliary Application Areas, relate to a kind of method of novel Chinese yam composite antibacterial deodorizing finishing agent, preparation method and process fiber.
Background technology
In life, people inevitably touch the microorganisms such as various bacterium, fungi, and these microorganisms, under suitable external condition, can breed rapidly, and spread disease by modes such as contacts, affect the healthy of people and normal work, studying and living.Fiber belongs to porous material, can form again the polylayer forest in countless space after superposition braiding, and therefore fabric is easier to adsorb mushroom.Antibiotic finish is exactly make fabric have the function suppressing fungus grown, maintains the clothing living environment of health, ensures health.
Antibacterial and deodouring finishing agent mainly can be divided into inorganic, organic and natural three kinds.Early stage antiseptic substantially all belongs to organic series, and be all kinds of complex compounds that are nitrogenous, the element such as sulphur, chlorine mostly, its principal item has: quaternary ammonium salt, biguanides, alcohols, phenols, aldehydes, organic metal class, arsenic pyridine class, thiophene-based etc.Such antiseptic short-term bactericidal effect is good, but mostly has the shortcomings such as heat-resistant stability is poor, the life-span is short.
Natural antibacterial deodorizing finishing agent is the native compound extracting in fabric and microbial body thereof and obtain, and its preparation preparation processing cost is higher, is mainly used in the arrangement of getting underwear and medical textile at present.
Summary of the invention
Technical problem solved by the invention:
It is short that the present invention overcomes prior art antibacterial deodorant poor stability, life-span, and natural antibacterial deodorizing finishing agent cost is high, and application is problem not widely, provides a kind of Chinese yam composite antibacterial deodorizing finishing agent.
The invention provides following technical scheme:
A kind of novel Chinese yam composite antibacterial deodorizing finishing agent, is prepared from by the raw material of following parts by weight:
Yam extract 2-4 part, finishing agent 3-8 part, sodium carboxymethylcellulose 4-7 part;
The preparation method of described yam extract is:
Putting into baking oven immediately after section after being cleaned by fresh iron rod yam dries to moisture≤20%;
Beat powder after being dried by yam slice, sieve;
The ethanol of 75% mass concentration will be added, ethanolic solution on collecting by filtration after lucifuge agitating heating 3-4 hour in Chinese yam powder;
Ethanolic solution reduced pressure concentration postlyophilization is obtained yam extract;
Described finishing agent is chitosan finishing agent.
Preferably, be prepared from by the raw material of following parts by weight:
Yam extract 3-4 part, finishing agent 6-8 part, sodium carboxymethylcellulose 5-7 part;
A kind of preparation method of Chinese yam composite antibacterial deodorizing finishing agent, be that finishing agent mixes after being mixed with sodium carboxymethylcellulose lucifuge by yam extract, after three's mixture being mixed rear standing 7-10 hour, obtain Chinese yam composite antibacterial deodorizing finishing agent.
A method for Chinese yam composite antibacterial deodorizing finishing agent process fiber, comprises following operating procedure:
The first step: at ambient temperature, be add Chinese yam composite antibacterial deodorizing finishing agent 2.5-6%o.w.f in the dressing liquid of 2-2.5%o.w.f at containing water-soluble polyurethane PU, bath raio is 1:20-25, and adjust ph is 5-5.7;
Second step: add fiber and flood, is warming up to 50-60 DEG C after fiber adds, and isothermal holding 30-40 minute follow-up continuing was warming up to 70-80 DEG C, continued isothermal holding tapping after 20-30 minute;
3rd step: be 70-80% by fiber dewatering to moisture, and then dry 2-3 minute at 105-110 DEG C of temperature.
Preferably, in the described first step at ambient temperature, be add Chinese yam composite antibacterial deodorizing finishing agent 2.5-4.5%o.w.f in the dressing liquid of 2.2-2.5%o.w.f at containing water-soluble polyurethane PU, bath raio is 1:20-225, and adjust ph is 5.5-5.7.
Preferably, add fiber and flood in described second step, be warming up to 55-60 DEG C after fiber adds, isothermal holding 30-45 minute follow-up continuing was warming up to 75-80 DEG C, continued isothermal holding tapping after 25-30 minute.
Preferably, be 75-80% by fiber dewatering to moisture in described 3rd step, and then dry 2-3 minute at 105 DEG C of temperature.
Widely used in natural antibacterial agent is shitosan, and shitosan is mainly derived from crab shell, shrimp shell, shell and the crust of insect and the cell membrane of fungi and enzyme etc., and its aboundresources, biodegradable, absorbent properties are good, safety non-toxic.
The antibiotic finish mechanism of shitosan roughly has the anion such as the sialic acid phosphatide of the amino CATION of two kinds: a. shitosan and formation microorganism wall to attract each other, and its result has fettered the free degree of microorganism, hinders its metabolism and breeding; B. a large amount of low-molecular-weight shitosan invades in microbial cell, and the genetic code of obstruction microorganism to rna replicon, hinders the breeding of microorganism by DNA thus.Shitosan all has rejection ability to Escherichia coli, hay bacillus, staphylococcus aureus and Pseudomonas aeruginosa etc.
Iron rod yam is one of the famous special product in Jiaozhuo, Henan, existing 3,000 years plantation history, once be the tribute of successive dynasties imperial family, belong to four-Huai medicine (RHIIZOMA DIOSCOREAE from Henan of China, bosom glutinous rehmannia, radix achyranthis bidentatae, Huai Chrysanthemi) RHIIZOMA DIOSCOREAE from Henan of China in superfine product, at home and abroad enjoy great popularity, be now national protection of place of origin product by Jiaozuo City application, original producton location is that the littoral band in the Yellow River, area, Wen County, Jiaozhuo is for best, this crop is flowed out, rediscovered by Zhao Guozuo village, Wen County, Jiaozhuo afterwards and be handed down, periphery districts and cities the Yellow River bank also has plantation, that only has Jiaozhuo to plant just can be called " iron rod yam ".Iron rod yam is rich in rich in protein, vitamin and several amino acids and mineral matter, can the gas of tonifying spleen lung kidney, and can nourish again the moon of spleen lung kidney, be the treasure of reinforcing both QI and YIN.
Chinese yam polysaccharide is the natural plant polyose that at present research is hotter, has good pharmacologically active: anti-oxidant, hypoglycemic, antitumor, anti-ageingly wait for a long time, and also has good bacteriostatic activity simultaneously.
Sodium carboxymethylcellulose is used as thickener in the food industry, is used as pharmaceutical carrier in medical industry, is used as adhesive, resists dignified dose again in daily chemical industry.The protecting colloid etc. of sizing agent and printing gum is used as in printing and dyeing industry.Oil recovery fracturing fluid composition is can be used as in petrochemical industry.Sodium carboxymethylcellulose belongs to anionic cellulose ether, is white or oyster white fibrous powder or particle, density 0.5-0.7 gram/cc, almost odorless, tasteless, tool hygroscopicity.Be easy to be dispersed in water into clear gum solution, insoluble in the organic solvents such as ethanol.1% aqueous solution pH is 6.5-8.5, and as pH>10 or <5, cement viscosity significantly reduces, and when pH=7, performance is best.To thermally-stabilised, below 20 DEG C, viscosity rises rapidly, and when 45 DEG C, change is comparatively slow, and more than 80 DEG C long-time heating can make its colloid sex change and viscosity and performance obviously decline.Soluble in water, solution is transparent; Very stable in alkaline solution, meet acid then facile hydrolysis, when pH value is 2-3, there will be precipitation, meet multivalent metal salt and also can react appearance precipitation.
Beneficial effect of the present invention:
1. Chinese yam composite antibacterial deodorizing finishing agent of the present invention is easy to use, antibiosis and deodorization effects lasting stability and green safety, yam extract is combined with sodium carboxymethylcellulose and introduces antibacterial and deodouring finishing auxiliaries field, its gentleness to human body fanout free region, and solves dispersed, homogeneity question between classical antibacterial agents and fiber.
2. the invention also discloses the method for sorting of this Chinese yam composite antibacterial deodorizing finishing agent for fiber, the fiber after this method arranges has good antibiosis and deodorization effects.
3. antibacterial and deodouring finishing agent cost of the present invention is low, simple and convenient processing method, is easy to wide sending out and promotes.
Detailed description of the invention:
Be described in detail embodiments of the invention below, the present embodiment is implemented under premised on invention technical scheme, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.The experimental program of unreceipted actual conditions in embodiment, the condition that conveniently condition or manufacturer advise usually is implemented.
Embodiment:
A kind of novel Chinese yam composite antibacterial deodorizing finishing agent, be prepared from by the raw material of following parts by weight, composition situation is in table one, and unit is parts by weight.
Table one: the component (unit: parts by weight) of a kind of Chinese yam composite antibacterial of embodiment deodorizing finishing agent
| Yam extract | Finishing agent | Sodium carboxymethylcellulose | |
| Embodiment one | 2 | 3 | 4 |
| Embodiment two | 4 | 8 | 7 |
| Embodiment three | 3 | 6 | 5 |
| Embodiment four | 4 | 8 | 7 |
| Embodiment five | 2 | 8 | 4 |
| Embodiment six | 4 | 3 | 7 |
| Embodiment seven | 2 | 8 | 7 |
| Embodiment eight | 3 | 6 | 6 |
| Embodiment nine | 4 | 4 | 4 |
| Embodiment ten | 3 | 7 | 6 |
The preparation method of described yam extract is:
Putting into baking oven immediately after section after being cleaned by fresh iron rod yam dries to moisture≤20%;
Beat powder after being dried by yam slice, sieve;
The ethanol of 75% mass concentration will be added, lucifuge agitating heating ethanolic solution on collecting by filtration after 4 hours in Chinese yam powder;
Ethanolic solution reduced pressure concentration postlyophilization is obtained yam extract;
Described finishing agent is chitosan finishing agent.
The preparation method of a kind of Chinese yam composite antibacterial of above-described embodiment deodorizing finishing agent, be be that finishing agent mixes after being mixed with sodium carboxymethylcellulose lucifuge by yam extract, after three's mixture being mixed rear standing 9-10 hour, obtain Chinese yam composite antibacterial deodorizing finishing agent.
Antibacterial and deodouring experiment one:
Fabric: textile
Processing method:
The first step: at ambient temperature, be add Chinese yam composite antibacterial deodorizing finishing agent 2.5%o.w.f in the dressing liquid of 2.5%o.w.f at containing water-soluble polyurethane PU, bath raio is 1:25, and adjust ph is 5.7;
Second step: add fiber and flood, is warming up to 60 DEG C after fiber adds, 30 minutes follow-up continuing of isothermal holding are warming up to 70 DEG C, continue isothermal holding tapping after 20 minutes;
3rd step: be 70% by fiber dewatering to moisture, and then dry 3 minutes at 110 DEG C of temperature.
Antibacterial and deodouring experiment two:
Fabric: terylene
Processing method:
The first step: at ambient temperature, be add Chinese yam composite antibacterial deodorizing finishing agent 5%o.w.f in the dressing liquid of 2%o.w.f at containing water-soluble polyurethane PU, bath raio is 1:25, and adjust ph is 5;
Second step: add fiber and flood, is warming up to 60 DEG C after fiber adds, 30 minutes follow-up continuing of isothermal holding are warming up to 80 DEG C, continue isothermal holding tapping after 20 minutes;
3rd step: be 70% by fiber dewatering to moisture, and then dry 3 minutes at 105 DEG C of temperature.
Antibacterial and deodouring experiment three:
Fabric: cotton and blend polyester
Processing method:
The first step: at ambient temperature, be add Chinese yam composite antibacterial deodorizing finishing agent 4.5%o.w.f in the dressing liquid of 2.5%o.w.f at containing water-soluble polyurethane PU, bath raio is 1:25, and adjust ph is 5;
Second step: add fiber and flood, is warming up to 55 DEG C after fiber adds, 40 minutes follow-up continuing of isothermal holding are warming up to 70 DEG C, continue isothermal holding tapping after 30 minutes;
3rd step: be 70% by fiber dewatering to moisture, and then dry 2 minutes at 110 DEG C of temperature.
Antibacterial and deodouring experiment four:
Fabric: Modal fibre
Processing method:
The first step: at ambient temperature, be add Chinese yam composite antibacterial deodorizing finishing agent 2.5%o.w.f in the dressing liquid of 2.5%o.w.f at containing water-soluble polyurethane PU, bath raio is 1:20, and adjust ph is 5.5;
Second step: add fiber and flood, is warming up to 50 DEG C after fiber adds, 40 minutes follow-up continuing of isothermal holding are warming up to 80 DEG C, continue isothermal holding tapping after 20 minutes;
3rd step: be 70% by fiber dewatering to moisture, and then dry 2 minutes at 105 DEG C of temperature.
Antibacterial and deodouring experiment five:
Fabric: flax fibre
Processing method:
The first step: at ambient temperature, be add Chinese yam composite antibacterial deodorizing finishing agent 3.5%o.w.f in the dressing liquid of 2.2%o.w.f at containing water-soluble polyurethane PU, bath raio is 1:20, and adjust ph is 5.5;
Second step: add fiber and flood, is warming up to 50 DEG C after fiber adds, 30 minutes follow-up continuing of isothermal holding are warming up to 70 DEG C, continue isothermal holding tapping after 20 minutes;
3rd step: be 80% by fiber dewatering to moisture, and then dry 2 minutes at 105 DEG C of temperature.
Anti-microbial property is tested:
With reference to GB/T15979-2002 test.
Deodoriging properties is tested:
Finish fabric is placed on concentration known c
0tested gas (ammonia, hydrogen sulfide, the main component of foul smell) container in, after airtight placement 1.5h, measure the concentration c of tested gas in closed container with the gas detecting tube of correspondence
1, calculate the gas smelly eliminating percentage of finish fabric with following formula, gas smelly eliminating percentage=(1-c
1/ c
0) × 100%.
To staphylococcus aureus (ATCC6538) and Escherichia coli (8099) anti-microbial property test result, in table two to table six
Table two: anti-microbial property and deodoriging properties test result (unit: %) in antibacterial and deodouring experiment one
| Staphylococcus aureus | Escherichia coli | Deodorizing rate | |
| Embodiment one | 82.08±3.81 | 83.88±3.64 | 80.33±5.51 |
| Embodiment two | 83.96±5.56 | 85.64±5.37 | 81.97±4.07 |
| Embodiment three | 82.66±5.52 | 82.84±5.80 | 75.22±4.74 |
| Embodiment four | 81.26±3.95 | 81.58±4.91 | 76.09±3.90 |
| Embodiment five | 84.43±3.87 | 83.22±2.44 | 79.59±3.03 |
| Embodiment six | 84.37±3.69 | 82.5±2.47 | 81.44±3.19 |
| Embodiment seven | 84.42±2.45 | 82.53±5.73 | 80.54±2.98 |
| Embodiment eight | 82.45±3.20 | 85.75±4.43 | 83.70±4.46 |
| Embodiment nine | 83.83±4.95 | 80.49±3.24 | 85.71±5.41 |
| Embodiment ten | 83.66±5.97 | 81.25±4.99 | 81.74±3.40 |
Described result represents with average ± variance.
Table three: anti-microbial property and deodoriging properties test result (unit: %) in antibacterial and deodouring experiment two
| Staphylococcus aureus | Escherichia coli | Deodorizing rate | |
| Embodiment one | 82.24±3.74 | 85.08±5.84 | 79.53±4.74 |
| Embodiment two | 84.66±2.27 | 81.81±4.65 | 73.38±3.84 |
| Embodiment three | 84.60±5.07 | 81.88±3.03 | 74.08±6.75 |
| Embodiment four | 82.47±4.10 | 85.50±3.53 | 74.80±6.02 |
| Embodiment five | 82.08±4.21 | 84.62±5.60 | 74.46±2.43 |
| Embodiment six | 85.11±4.71 | 84.39±2.49 | 81.99±5.68 |
| Embodiment seven | 83.36±3.73 | 85.67±4.32 | 82.23±2.60 |
| Embodiment eight | 83.27±3.47 | 86.63±4.04 | 81.02±5.49 |
| Embodiment nine | 84.37±4.06 | 85.66±3.49 | 80.24±4.89 |
| Embodiment ten | 81.05±3.82 | 80.83±3.22 | 80.87±4.39 |
Described result represents with average ± variance.
Table four: anti-microbial property and deodoriging properties test result (unit: %) in antibacterial and deodouring experiment three
| Staphylococcus aureus | Escherichia coli | Deodorizing rate | |
| Embodiment one | 83.94±4.45 | 82.23±5.55 | 84.42±5.34 |
| Embodiment two | 82.82±3.27 | 84.41±3.26 | 83.36±2.92 |
| Embodiment three | 84.40±3.35 | 84.78±3.30 | 84.79±4.64 |
| Embodiment four | 82.34±3.70 | 84.09±5.23 | 82.80±5.29 |
| Embodiment five | 83.51±4.89 | 83.17±3.10 | 83.73±3.54 |
| Embodiment six | 85.53±4.65 | 86.71±5.16 | 85.22±3.43 |
| Embodiment seven | 82.01±4.43 | 80.97±4.56 | 86.67±3.14 |
| Embodiment eight | 84.88±4.30 | 85.04±5.49 | 80.72±2.93 |
| Embodiment nine | 85.96±5.37 | 84.64±5.76 | 83.15±4.66 |
| Embodiment ten | 83.24±2.83 | 81.85±2.02 | 81.42±3.13 |
Described result represents with average ± variance.
Table five: anti-microbial property and deodoriging properties test result (unit: %) in antibacterial and deodouring experiment four
| Staphylococcus aureus | Escherichia coli | Deodorizing rate | |
| Embodiment one | 86.92±2.50 | 89.70±4.11 | 87.74±5.27 |
| Embodiment two | 91.79±3.26 | 86.78±4.50 | 91.19±2.74 |
| Embodiment three | 87.42±4.40 | 88.95±5.62 | 88.04±2.12 |
| Embodiment four | 91.48±5.98 | 89.43±4.83 | 86.62±3.41 |
| Embodiment five | 88.36±2.61 | 87.69±5.58 | 91.48±3.72 |
| Embodiment six | 85.83±2.52 | 84.04±3.74 | 85.98±4.21 |
| Embodiment seven | 80.98±4.53 | 86.22±2.75 | 85.32±3.89 |
| Embodiment eight | 81.76±3.26 | 84.78±4.67 | 83.24±3.29 |
| Embodiment nine | 86.59±4.86 | 86.86±3.82 | 85.82±4.50 |
| Embodiment ten | 84.72±2.62 | 85.92±4.06 | 81.94±2.76 |
Described result represents with average ± variance.
Table six: anti-microbial property and deodoriging properties test result (unit: %) in antibacterial and deodouring experiment five
| Staphylococcus aureus | Escherichia coli | Deodorizing rate | |
| Embodiment one | 81.97±2.88 | 82.10±5.22 | 82.35±4.03 |
| Embodiment two | 81.79±3.82 | 86.68±3.13 | 84.55±5.57 |
| Embodiment three | 86.51±2.00 | 80.05±5.70 | 82.14±3.74 |
| Embodiment four | 80.25±2.74 | 82.53±4.57 | 82.43±5.20 |
| Embodiment five | 80.05±4.68 | 86.29±4.59 | 83.28±5.11 |
| Embodiment six | 81.99±5.34 | 80.22±4.42 | 80.97±4.44 |
| Embodiment seven | 85.61±3.07 | 85.90±5.25 | 80.83±5.47 |
| Embodiment eight | 85.99±2.18 | 84.71±2.93 | 80.64±2.84 |
| Embodiment nine | 85.58±2.56 | 86.93±2.93 | 80.21±5.69 |
| Embodiment ten | 83.91±2.14 | 81.62±5.94 | 86.70±3.53 |
Described result represents with average ± variance.
Fabric after above-mentioned antibacterial and deodouring experiment process, after washing 5-10 time, still has good antibacterial and deodouring performance.
Antibacterial and deodouring finishing agent of the present invention all has good antibiotic property and deodorizing rate for staphylococcus aureus and Escherichia coli, Be very effective, lasting stability, and raw material natural nuisance-free, environmental protection, has good market popularization value.
Above content is only better embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (7)
1. a novel Chinese yam composite antibacterial deodorizing finishing agent, is characterized in that, is prepared from by the raw material of following parts by weight:
Yam extract 2-4 part, finishing agent 3-8 part, sodium carboxymethylcellulose 4-7 part;
The preparation method of described yam extract is:
Putting into baking oven immediately after section after being cleaned by fresh iron rod yam dries to moisture≤20%;
Beat powder after being dried by yam slice, sieve;
The ethanol of 75% mass concentration will be added, ethanolic solution on collecting by filtration after lucifuge agitating heating 3-4 hour in Chinese yam powder;
Ethanolic solution reduced pressure concentration postlyophilization is obtained yam extract;
Described finishing agent is chitosan finishing agent.
2. a kind of novel Chinese yam composite antibacterial deodorizing finishing agent according to claim 1, is characterized in that, be prepared from by the raw material of following parts by weight:
Yam extract 3-4 part, finishing agent 6-8 part, sodium carboxymethylcellulose 5-7 part.
3. the preparation method of novel Chinese yam composite antibacterial deodorizing finishing agent described in a claim 1, it is characterized in that: after being mixed with sodium carboxymethylcellulose lucifuge by yam extract, be that finishing agent mixes, after three's mixture being mixed rear standing 7-10 hour, obtain Chinese yam composite antibacterial deodorizing finishing agent.
4. a method for novel Chinese yam composite antibacterial deodorizing finishing agent process fiber described in claim 1, is characterized in that, comprise following operating procedure:
The first step: at ambient temperature, be add Chinese yam composite antibacterial deodorizing finishing agent 2.5-6%o.w.f in the dressing liquid of 2-2.5%o.w.f at containing water-soluble polyurethane PU, bath raio is 1:20-25, and adjust ph is 5-5.7;
Second step: add fiber and flood, is warming up to 50-60 DEG C after fiber adds, and isothermal holding 30-40 minute follow-up continuing was warming up to 70-80 DEG C, continued isothermal holding tapping after 20-30 minute;
3rd step: be 70-80% by fiber dewatering to moisture, and then dry 2-3 minute at 105-110 DEG C of temperature.
5. the method for novel Chinese yam composite antibacterial deodorizing finishing agent process fiber according to claim 4, it is characterized in that: in the described first step at ambient temperature, be in the dressing liquid of 2.2-2.5%o.w.f, add Chinese yam composite antibacterial deodorizing finishing agent 2.5-4.5%o.w.f at containing water-soluble polyurethane PU; bath raio is 1:20-225, and adjust ph is 5.5-5.7.
6. the method for novel Chinese yam composite antibacterial deodorizing finishing agent process fiber according to claim 4, it is characterized in that: add fiber in described second step and flood, 55-60 DEG C is warming up to after fiber adds, isothermal holding 30-45 minute follow-up continuing was warming up to 75-80 DEG C, continued isothermal holding tapping after 25-30 minute.
7. the method for novel Chinese yam composite antibacterial deodorizing finishing agent process fiber according to claim 4, is characterized in that: be 75-80% by fiber dewatering to moisture in described 3rd step, and then dry 2-3 minute at 105 DEG C of temperature.
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| CN102296465A (en) * | 2010-12-30 | 2011-12-28 | 上海水星家用纺织品股份有限公司 | Cassia seed composite antibacterial finishing agent, preparation method, method for processing fiber and application |
| CN104695219A (en) * | 2015-03-05 | 2015-06-10 | 苏州经贸职业技术学院 | Anti-wrinkle antibiotic finishing agent as well as preparation method and application thereof |
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Application publication date: 20151118 |
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