CN111809003A - Mildew-proof leather garment and processing technology thereof - Google Patents
Mildew-proof leather garment and processing technology thereof Download PDFInfo
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- CN111809003A CN111809003A CN202010677245.3A CN202010677245A CN111809003A CN 111809003 A CN111809003 A CN 111809003A CN 202010677245 A CN202010677245 A CN 202010677245A CN 111809003 A CN111809003 A CN 111809003A
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C9/00—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C11/00—Surface finishing of leather
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- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention relates to the field of clothes and discloses mildew-proof fur clothing and a processing technology thereof, wherein the mildew-proof fur clothing comprises a fur clothing body, the surface of the fur clothing body is finished by a mildew preventive, and the mildew preventive comprises the following raw materials in parts by weight: 15-25 parts of acrylic resin; 6-8 parts of N-bromosuccinimide; 2-3 parts of ethyldichlorosilane; 1-2 parts of a catalyst; 40-60 parts of deionized water. The invention has the following advantages and effects: taking acrylic resin as a carrier, adding N-bromosuccinimide with a mildew-proof effect, forming stable emulsion under the action of a surfactant, forming an inert film to obtain a physical barrier layer, and preventing microorganisms from reaching the surface of the leather garment body; the catalyst can catalyze the reaction of the ethyl dichlorosilane and the acrylic resin, is beneficial to forming a continuous protective film and improving the moisture resistance and mildew resistance.
Description
Technical Field
The invention relates to the technical field of clothes, in particular to a mildew-proof leather garment and a processing technology thereof.
Background
The fur clothing is made of leather processed by animal skins such as cow leather, sheep leather and the like through a specific process, is one of necessary dresses for people in cold seasons, is fashionable and elegant, is classic but not too old, and is most important to keep warm; the leather clothes are used as fashionable clothes with strong seasonality, and the storage time is correspondingly longer than that of other clothes.
At present, a patent with publication number CN207383577U discloses a leather garment, which comprises a garment body and sleeves connected with the garment body, wherein pockets are arranged on two sides of the front of the garment body, elastic bands are arranged at openings of the pockets, and a zipper is arranged on the front of the garment body.
The above prior art solutions have the following drawbacks: the existing leather clothes are still to be improved because the existing leather clothes are stored for a long time and cannot be found in time once being wetted in the storage process, and the existing leather clothes are easy to get mildewed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the mildew-proof leather garment to relieve the mildew of the leather garment caused by storage and dampness.
The second purpose of the invention is to provide a processing technology of the mildew-proof fur clothing.
In order to achieve the purpose, the invention provides the following technical scheme:
the mildew-proof fur clothing comprises a fur clothing body, wherein the surface of the fur clothing body is finished by a mildew-proof agent, and the mildew-proof agent comprises the following raw materials in parts by weight:
15-25 parts of acrylic resin;
6-8 parts of N-bromosuccinimide;
2-3 parts of ethyldichlorosilane;
1-2 parts of a catalyst;
a surfactant;
40-60 parts of deionized water.
By adopting the technical scheme, the mildew preventive is sprayed on the surface of the leather garment body to form an inert film to obtain a physical barrier layer, so that microorganisms are prevented from reaching the surface of the leather garment body; the acrylic resin is taken as a carrier, N-bromosuccinimide with mildew-proof effect is added, and stable emulsion is formed under the action of a surfactant, so that a protective film is easily formed when the acrylic resin is sprayed on the surface of a leather garment body; meanwhile, the catalyst can catalyze the reaction of the ethyl dichlorosilane and the acrylic resin, which is beneficial to forming a continuous protective film, improving the moisture resistance, relieving the problem of easy mildew caused by moisture and achieving an effective mildew-proof effect.
The present invention in a preferred example may be further configured to: the mildew preventive also comprises 3-4 parts of diethanolamine and 0.2-0.3 part of p-toluenesulfonic acid in parts by weight.
By adopting the technical scheme, the p-toluenesulfonic acid is used as a catalyst, the diethanolamine can react with the acrylic resin, and a product obtained by the reaction of the diethanolamine and the acrylic resin is mixed with the ethyldichlorosilane to generate a synergistic effect, so that a film formed after the mildew preventive is sprayed has more stable performance, and better moisture and mildew resistance is achieved.
The present invention in a preferred example may be further configured to: the raw materials also comprise 4-5 parts of carboxymethyl chitosan and 2-3 parts of polyethylene glycol according to parts by weight.
By adopting the technical scheme, the carboxymethyl chitosan has an antibacterial effect and can inhibit the generation of mould on the leather clothing, meanwhile, the polyethylene glycol and the carboxymethyl chitosan are added for compounding, and the polyethylene glycol has better lubricity and dispersibility, so that on one hand, the carboxymethyl chitosan and other components of the mildew preventive are uniformly mixed, on the other hand, a film formed by the mildew preventive is stably covered and fixed on the surface of the leather clothing body through the adhesive property of the polyethylene glycol, and the durability of the dampproof and mildew-proof effect is improved.
The present invention in a preferred example may be further configured to: the catalyst is sodium hypophosphite.
By adopting the technical scheme, sodium hypophosphite is used as a catalyst for catalyzing the reaction of the ethyldichlorosilane and the acrylic resin, so that the catalyst has a better effect than a common organic catalyst, and the obtained mildew preventive has a more stable mildew-proof effect and improves the moisture-proof and mildew-proof performance.
The present invention in a preferred example may be further configured to: the surfactant is N-dodecyl biquaternary ammonium salt and rosin amine polyoxyethylene ether which are mixed according to the weight ratio of 1:1, and the mildew preventive comprises 1 part of N-dodecyl biquaternary ammonium salt according to parts by weight.
By adopting the technical scheme, the biquaternary ammonium salt adsorbent has better adsorption performance and is beneficial to the stable attachment of the mildew preventive to the surface of leather clothing; the N-dodecyl biquaternary ammonium salt and the rosin amine polyoxyethylene ether are compounded to have a synergistic effect, so that the overall performance of the mildew preventive can be improved, and the moisture resistance and mildew resistance are improved.
In order to achieve the second object, the invention provides the following technical scheme:
a processing technology of mildew-proof fur clothing comprises the following steps:
s1, preparing a mildew preventive; heating acrylic resin, N-bromosuccinimide and surfactant to 70-75 ℃ under stirring, adding ethyldichlorosilane, stirring uniformly, dropwise adding a catalyst within 30-50min, and continuously stirring for reacting for 20-30 min; cooling to room temperature, adding deionized water, and mixing;
s2, finishing the leather garment body; using mildew preventive of S1 to perform two-dipping and two-rolling treatment on the leather garment body at a mangle ratio of 75-80%, finally drying at 90-100 ℃, and baking for 50-60S
By adopting the technical scheme, the catalytic reaction temperature of the ethyldichlorosilane and the acrylic resin is controlled to be 70-75 ℃, the temperature is too high, the catalytic rate is too high, the number of free radicals in the solution is too high, so that the automatic acceleration phenomenon is generated in part of the area too early, gel is generated, the molecular weight of the product is reduced, the final product is not obtained, and the catalytic reaction rate is too low, so that the temperature is preferably controlled to be 70-75 ℃.
The present invention in a preferred example may be further configured to: in the S1, after a catalyst is dripped and reacted, diethanolamine and p-toluenesulfonic acid are added, and the mixture is subjected to heat preservation at 70-75 ℃ and stirred for reaction for 30-40 min; cooling to room temperature, adding carboxymethyl chitosan and polyethylene glycol, stirring, and adding deionized water.
In summary, the invention includes at least one of the following beneficial technical effects:
1. taking acrylic resin as a carrier, adding N-bromosuccinimide with a mildew-proof effect, forming stable emulsion under the action of a surfactant, forming an inert film to obtain a physical barrier layer, and preventing microorganisms from reaching the surface of the leather garment body; the catalyst can catalyze the reaction of the ethyldichlorosilane and the acrylic resin, is beneficial to forming a continuous protective film and improving the moisture resistance and mildew resistance;
2. the p-toluenesulfonic acid is used as a catalyst, diethanolamine can react with acrylic resin, and a product obtained by the reaction of the diethanolamine and the acrylic resin is mixed with ethyldichlorosilane to generate a synergistic effect, so that a film formed after the mildew preventive is sprayed has more stable performance, and better moisture and mildew resistance is achieved;
3. the carboxymethyl chitosan has an antibacterial effect and can inhibit the generation of mould on the leather clothing, meanwhile, the polyethylene glycol and the carboxymethyl chitosan are added for compounding, the polyethylene glycol has better lubricating property and dispersibility, on one hand, the carboxymethyl chitosan and other components of the mould inhibitor are uniformly mixed, on the other hand, a film formed by the mould inhibitor is stably covered and fixed on the surface of the leather clothing body through the adhesive property of the polyethylene glycol, and the durability of the damp-proof and mould-proof effect is improved.
Drawings
FIG. 1 is a flow chart of the process of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the invention, the acrylic resin is purchased from Dahlong chemical reagent factory in Tianjin; n-bromosuccinimide available from Nanjing Su chemical Co., Ltd; n-dodecyl biquaternary ammonium salt is purchased from Simmo organic chemistry research institute of Yu city, Zhejiang province; rosin amine polyoxyethylene ether is purchased from Huayuan chemical Co., Ltd, Jiangyin City; carboxymethyl chitosan was purchased from Shanghai Pont chemical Co., Ltd.
The starting materials used in the following examples are all available from ordinary commercial sources except for those specifically mentioned above.
Preparation example
Preparation of the surfactant: taking 1 part of N-dodecyl biquaternary ammonium salt, weighing rosin amine polyoxyethylene ether according to the weight ratio of the N-dodecyl biquaternary ammonium salt to the rosin amine polyoxyethylene ether of 1:1, and uniformly mixing the N-dodecyl biquaternary ammonium salt and the rosin amine polyoxyethylene ether to obtain the rosin amine polyoxyethylene ether.
Examples
Example 1
The invention discloses a mildew-proof leather garment and a processing technology thereof, and with reference to fig. 1, the processing technology comprises the following steps:
s1, preparing a mildew preventive; heating acrylic resin, N-bromosuccinimide and surfactant to 70 ℃ under stirring, adding ethyldichlorosilane, stirring uniformly, dropwise adding a catalyst within 30min, and continuously stirring for reacting for 20 min; adding diethanolamine and p-toluenesulfonic acid, keeping the temperature at 70 ℃ and stirring for reaction for 30 min; cooling to room temperature, adding carboxymethyl chitosan and polyethylene glycol, stirring uniformly, and finally adding deionized water and mixing uniformly;
s2, finishing the leather garment body; and (3) carrying out two-dipping and two-rolling treatment on the leather garment body by using the mildew preventive of S1 at a mangle ratio of 75%, and finally drying at 90 ℃ and baking for 50S.
The contents of the components are shown in table 1 below.
Example 2
The invention discloses a mildew-proof leather garment and a processing technology thereof, and with reference to fig. 1, the processing technology comprises the following steps:
s1, preparing a mildew preventive; heating acrylic resin, N-bromosuccinimide and surfactant to 75 ℃ under stirring, adding ethyldichlorosilane, stirring uniformly, dropwise adding a catalyst within 50min, and continuously stirring for reacting for 30 min; adding diethanolamine and p-toluenesulfonic acid, keeping the temperature at 75 ℃ and stirring for reaction for 40 min; cooling to room temperature, adding carboxymethyl chitosan and polyethylene glycol, stirring uniformly, and finally adding deionized water and mixing uniformly;
s2, finishing the leather garment body; and (3) carrying out two-dipping and two-rolling treatment on the leather garment body by using the mildew preventive of S1 at a mangle ratio of 80%, and finally drying at 100 ℃ and baking for 60S.
The contents of the components are shown in table 1 below.
Example 3
The invention discloses a mildew-proof leather garment and a processing technology thereof, and with reference to fig. 1, the processing technology comprises the following steps:
s1, preparing a mildew preventive; heating acrylic resin, N-bromosuccinimide and surfactant to 74 ℃ under stirring, adding ethyldichlorosilane, stirring uniformly, dropwise adding a catalyst within 45min, and continuously stirring for reacting for 28 min; adding diethanolamine and p-toluenesulfonic acid, keeping the temperature at 72 ℃ and stirring for reaction for 37 min; cooling to room temperature, adding carboxymethyl chitosan and polyethylene glycol, stirring uniformly, and finally adding deionized water and mixing uniformly;
s2, finishing the leather garment body; and (3) carrying out two-dipping and two-rolling treatment on the leather garment body by using the mildew preventive of S1 at a mangle ratio of 77%, and finally drying at 94 ℃ and baking for 52S.
The contents of the components are shown in table 1 below.
Example 4
The difference from example 1 is that diethanolamine was replaced with dicyclohexylamine and the contents of the components are shown in table 1 below.
Example 5
The difference from example 1 is that p-toluenesulfonic acid was replaced with nonylphenol, and the content of each component is shown in table 1 below.
Example 6
The difference from example 1 is that carboxymethyl chitosan is replaced with aminoglycoside, and the contents of the components are shown in table 1 below.
Example 7
The difference from example 1 is that polyethylene glycol was replaced with ethanol, and the contents of each component are shown in table 1 below.
Comparative example 1
Leather clothes which are not treated by the mildew preventive are provided.
Comparative example 2
The difference from example 1 is that the acrylic resin is replaced with a urethane resin, and the contents of the respective components are shown in table 2 below.
Comparative example 3
The difference from example 1 is that ethyldichlorosilane is replaced with vinyltriethoxysilane, and the contents of the respective components are shown in table 2 below.
Comparative example 4
The difference from example 1 is that sodium hypophosphite was replaced with dicumyl peroxide, and the contents of the components are shown in table 2 below.
Comparative example 5
The difference from example 1 is that the surfactant was replaced with sodium dodecylbenzenesulfonate, and the contents of the components are shown in table 2 below.
Comparative example 6
The difference from example 1 is that the temperature of the catalytic reaction with the addition of ethyldichlorosilane and diethanolamine was 76 ℃.
Comparative example 7
The difference from example 1 is that the catalytic reaction temperature for the addition of ethyldichlorosilane and diethanolamine is 69 ℃.
TABLE 1 ingredient content Table for each example
TABLE 2 ingredient content in each proportion
Performance test
According to GB4745-84 'measuring method for moisture resistance of textile fabric surface', a water spraying test is carried out on a water spraying instrument (AATCC-2-1977), a sample is fixed on a ring with the diameter of 150mm, the fabric forms an inclination angle of 45 degrees, 250mL of distilled water is sprayed above the center of the sample with the inclination angle of 150mm, and the water repellency of the sample sprayed with water is evaluated; position 0 for samples with both top and bottom surfaces fully wetted; the upper surface was completely wetted and designated 50; both nonwettable are 100; partial wetting of the upper surface was rated 60, 70, 80, 90; the results of the water repellency property test for each example and comparative example are shown in table 3 below.
Further, the water repellency of each example and comparative example after 20 times of washing was tested to judge the water repellency durability by washing 20 times at 25 ℃ in a home washing machine and after drying, and the test results are shown in table 3 below.
TABLE 3 Water repellency test results of examples and comparative examples
A comparative mildew test was conducted on examples 1, 6 and 7, wherein a 2X 2cm sample was wetted at 25 ℃ and placed in a 30 ℃ clear glass box, and after 48 hours, the degree of mildew was observed, with the degree of mildew in example 1 being less, the degree of mildew in example 6 being more severe than in example 1, and the degree of mildew in example 7 being more severe than in example 6.
In summary, the following conclusions can be drawn:
1. according to the examples 1, 4 and 5 and in combination with the table 3, it can be seen that diethanolamine and p-toluenesulfonic acid have a synergistic effect, and the moisture resistance can be improved to some extent to achieve a mildewproof effect.
2. According to the comparison of the mildew degrees of the embodiment 1, the embodiment 6 and the embodiment 7, the addition of the carboxymethyl chitosan has a good mildew-proof effect, and the polyethylene glycol and the carboxymethyl chitosan have a synergistic effect, so that the mildew-proof performance can be improved.
3. According to example 1 and comparative example 1 in combination with the results of table 3, it is understood that the leather clothes treated with the mildewcide of the present invention have better moisture resistance and thus better mildewproofing effect, and also have good durability.
4. According to the results of example 1 and comparative example 2 in combination with table 3, it is understood that the addition of the acrylic resin has a good moisture-proof effect and can improve the mold-proof property in the present invention.
5. According to the results of example 1 and comparative example 3 in combination with the results of table 3, it can be seen that the addition of ethyldichlorosilane has a better moisture-proof effect and can improve the mildew-proof property in the present invention.
Claims (7)
1. The utility model provides a mould proof fur clothing, includes the fur clothing body, its characterized in that: the surface of the fur coat body is finished by a mildew preventive, and the mildew preventive comprises the following raw materials in parts by weight:
15-25 parts of acrylic resin;
6-8 parts of N-bromosuccinimide;
2-3 parts of ethyldichlorosilane;
1-2 parts of a catalyst;
a surfactant;
40-60 parts of deionized water.
2. The mold-proof fur clothing as claimed in claim 1, wherein: the mildew preventive also comprises 3-4 parts of diethanolamine and 0.2-0.3 part of p-toluenesulfonic acid in parts by weight.
3. The mold-proof fur clothing as claimed in claim 1, wherein: the raw materials also comprise 4-5 parts of carboxymethyl chitosan and 2-3 parts of polyethylene glycol according to parts by weight.
4. The mold-proof fur clothing as claimed in claim 1, wherein: the catalyst is sodium hypophosphite.
5. The mold-proof fur clothing as claimed in claim 1, wherein: the surfactant is N-dodecyl biquaternary ammonium salt and rosin amine polyoxyethylene ether which are mixed according to the weight ratio of 1:1, and the mildew preventive comprises 1 part of N-dodecyl biquaternary ammonium salt according to parts by weight.
6. The process for manufacturing the mildewproof leather garment according to any one of claims 1 to 5, wherein the steps of: the method comprises the following steps:
s1, preparing a mildew preventive; heating acrylic resin, N-bromosuccinimide and surfactant to 70-75 ℃ under stirring, adding ethyldichlorosilane, stirring uniformly, dropwise adding a catalyst within 30-50min, and continuously stirring for reacting for 20-30 min; cooling to room temperature, adding deionized water, and mixing;
s2, finishing the leather garment body; and (3) carrying out two-dipping and two-rolling treatment on the leather garment body by using the mildew preventive of S1 at a mangle ratio of 75-80%, and finally drying at 90-100 ℃ and baking for 50-60S.
7. The processing technology of the mildew-proof leather garment as claimed in claim 6, characterized in that: in the S1, after a catalyst is dripped and reacted, diethanolamine and p-toluenesulfonic acid are added, and the mixture is subjected to heat preservation at 70-75 ℃ and stirred for reaction for 30-40 min; cooling to room temperature, adding carboxymethyl chitosan and polyethylene glycol, stirring, and adding deionized water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010677245.3A CN111809003A (en) | 2020-07-14 | 2020-07-14 | Mildew-proof leather garment and processing technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010677245.3A CN111809003A (en) | 2020-07-14 | 2020-07-14 | Mildew-proof leather garment and processing technology thereof |
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| CN111809003A true CN111809003A (en) | 2020-10-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116496670A (en) * | 2023-05-16 | 2023-07-28 | 惠州市宝斯特实业有限公司 | Long-acting glass mildew-proof powder and preparation method thereof |
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| CN103666287A (en) * | 2013-11-29 | 2014-03-26 | 江苏中新资源集团有限公司 | Leather brightener and preparation method thereof |
| CN103709873A (en) * | 2014-01-10 | 2014-04-09 | 高峰 | Leather coating composition and preparation method thereof |
| CN104388602A (en) * | 2014-10-16 | 2015-03-04 | 青岛拓联信息技术有限公司 | Leather mildew inhibitor |
| CN105647368A (en) * | 2016-03-04 | 2016-06-08 | 陈震烁 | Leather surface treatment agent and preparation method thereof |
| CN107353762A (en) * | 2017-08-21 | 2017-11-17 | 四川达威科技股份有限公司 | Silicone-modified polyacrylate leather finishing agent, its preparation method and leather composite bed |
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2020
- 2020-07-14 CN CN202010677245.3A patent/CN111809003A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103666287A (en) * | 2013-11-29 | 2014-03-26 | 江苏中新资源集团有限公司 | Leather brightener and preparation method thereof |
| CN103709873A (en) * | 2014-01-10 | 2014-04-09 | 高峰 | Leather coating composition and preparation method thereof |
| CN104388602A (en) * | 2014-10-16 | 2015-03-04 | 青岛拓联信息技术有限公司 | Leather mildew inhibitor |
| CN105647368A (en) * | 2016-03-04 | 2016-06-08 | 陈震烁 | Leather surface treatment agent and preparation method thereof |
| CN107353762A (en) * | 2017-08-21 | 2017-11-17 | 四川达威科技股份有限公司 | Silicone-modified polyacrylate leather finishing agent, its preparation method and leather composite bed |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116496670A (en) * | 2023-05-16 | 2023-07-28 | 惠州市宝斯特实业有限公司 | Long-acting glass mildew-proof powder and preparation method thereof |
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Application publication date: 20201023 |