CN111778720A - Moisture-proof leather garment and processing technology thereof - Google Patents

Moisture-proof leather garment and processing technology thereof Download PDF

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Publication number
CN111778720A
CN111778720A CN202010663850.5A CN202010663850A CN111778720A CN 111778720 A CN111778720 A CN 111778720A CN 202010663850 A CN202010663850 A CN 202010663850A CN 111778720 A CN111778720 A CN 111778720A
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parts
moisture
finishing agent
leather
clothing
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林巧
黄丽娜
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Wenzhou Houde Clothing Co ltd
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Wenzhou Houde Clothing Co ltd
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/77Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
    • D06M11/79Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/12Aldehydes; Ketones
    • D06M13/123Polyaldehydes; Polyketones
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/224Esters of carboxylic acids; Esters of carbonic acid
    • D06M13/2246Esters of unsaturated carboxylic acids
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/325Amines
    • D06M13/328Amines the amino group being bound to an acyclic or cycloaliphatic carbon atom
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/35Heterocyclic compounds
    • D06M13/355Heterocyclic compounds having six-membered heterocyclic rings
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
    • D06M13/368Hydroxyalkylamines; Derivatives thereof, e.g. Kritchevsky bases
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03Polysaccharides or derivatives thereof
    • D06M15/05Cellulose or derivatives thereof
    • D06M15/09Cellulose ethers
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/53Polyethers
    • DTEXTILES; PAPER
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    • D06M2101/00Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02Natural fibres, other than mineral fibres
    • D06M2101/10Animal fibres
    • D06M2101/14Collagen fibres
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/10Repellency against liquids
    • D06M2200/12Hydrophobic properties

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The invention relates to the field of clothes and discloses a moisture-proof leather garment and a processing technology thereof, wherein the moisture-proof leather garment comprises a leather garment finished by a finishing agent, and the finishing agent comprises the following raw materials in parts by weight: 10-15 parts of nano silicon dioxide; 8-10 parts of a pyridine compound; 4-5 parts of carboxymethyl cellulose; 1-2 parts of colloidal lithium magnesium silicate; a surfactant; 20-30 parts of deionized water. The invention has the following advantages and effects: the water repellency is improved by adding the nano silicon dioxide and the pyridine compound with hydrophobicity, when the nano particles are uniformly mixed with the carboxymethyl cellulose serving as the adhesive, the nano particles can be uniformly distributed and stably attached to the surface of the fiber through the adhesion of macromolecules of the adhesive, so that the water repellency durability of the leather garment is improved; the colloidal magnesium lithium silicate with the nano structure realizes uniform mixing of the components, and a waterproof film with stable performance is formed by assistance, so that the colloidal magnesium lithium silicate and the carboxymethyl cellulose can generate a synergistic effect, the continuity and the compactness of the finishing agent after film forming are improved, and the leather clothing has better moisture resistance.

Description

Moisture-proof leather garment and processing technology thereof
Technical Field
The invention relates to the technical field of clothes, in particular to a moistureproof 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 leather clothing can be worn in cold seasons generally, the storage time is long, the existing leather clothing has no moisture-proof function, once the existing leather clothing is wetted in the storage process, the existing leather clothing cannot be found in time, the situation of mildewing easily occurs, the wearing and the use are affected, and therefore the existing leather clothing still needs to be improved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a damp-proof leather garment, which avoids the problem that the wearing and use of the leather garment are affected by damp.
The second purpose of the invention is to provide a processing technology of the moisture-proof leather garment.
In order to achieve the purpose, the invention provides the following technical scheme:
the moisture-proof leather garment comprises a leather garment, wherein the surface of the leather garment is finished by a finishing agent, and the finishing agent comprises the following raw materials in parts by weight:
10-15 parts of nano silicon dioxide;
8-10 parts of a pyridine compound;
4-5 parts of carboxymethyl cellulose;
1-2 parts of colloidal lithium magnesium silicate;
a surfactant;
20-30 parts of deionized water.
By adopting the technical scheme, the nano silicon dioxide can be distributed on the fiber surface of the fur clothing to form a surface film layer, when the nano particles and the adhesive carboxymethyl cellulose are uniformly mixed, the nano silicon dioxide can be uniformly distributed and stably attached to the fiber surface through the adhesion of adhesive macromolecules, and the durability is good; the addition of the pyridine compound with hydrophobicity can improve the water repellency of the finishing agent; the colloidal magnesium lithium silicate is also of a nano structure, has better functions of thickening, dispersing and the like, is beneficial to realizing uniform mixing among components, and is assisted to form a waterproof film with stable performance through uniform dispersion of the nano structure; on the other hand, the colloidal lithium magnesium silicate and the carboxymethyl cellulose can generate a synergistic effect, and the continuity and the compactness of the finishing agent after film forming are improved, so that the water repellency is improved, and the leather clothing has better moisture resistance.
The present invention in a preferred example may be further configured to: the raw materials also comprise 1-2 parts of cross-linking agent and 2-4 parts of n-butylamine according to parts by weight.
By adopting the technical scheme, the n-butylamine serving as the aliphatic amine has straight-chain alkane, so that the surface tension can be reduced, and the water repellency can be improved; the presence of the cross-linking agent can assist in realizing cross-linking between n-butylamine and a pyridine compound, so that the overall performance and mechanical strength of the finishing agent after film formation are improved, and the durability of water repellency of the finishing agent is improved.
The present invention in a preferred example may be further configured to: the cross-linking agent is glutaraldehyde.
By adopting the technical scheme, on one hand, the glutaraldehyde can improve the interface bonding performance and is beneficial to the stable compatibility among the components; on the other hand, the glutaraldehyde is used as the cross-linking agent in the invention, and the cross-linking of the n-butylamine and the pyridine compound is better promoted.
The present invention in a preferred example may be further configured to: the pyridine compound is 3-methylpyridine.
By adopting the technical scheme, 3-methylpyridine has a waterproof effect, and can generate a good synergistic effect with colloidal magnesium lithium silicate and an adhesive, so that the water repellency is improved.
The present invention in a preferred example may be further configured to: the surfactant is oleic acid monoethanolamine salt prepared by oleic acid and monoethanolamine according to the molar ratio of 1: 1; and the oleic acid accounts for 2 parts by weight.
By adopting the technical scheme, the oleic acid monoethanolamine salt is adopted, so that the compatibility among the components can be improved, the performance of the finishing agent is improved, and the aim of improving the water repellency is fulfilled.
The present invention in a preferred example may be further configured to: the fur clothing is finished by a finishing agent and then finished by a protective agent, wherein the protective agent comprises the following components in parts by weight:
10-15 parts of butyl acrylate;
4-5 parts of polyetheramine;
1-2 parts of N, N-dimethylbenzylamine.
By adopting the technical scheme, after the finishing agent is padded, the finishing agent is padded again by the protective agent, on one hand, the protective film formed by the protective agent plays a protective role on the waterproof film of the finishing agent, and the polyether chain segment with better flexibility generates micro-phase separation in a cross-linked network through the cross-linking of butyl acrylate and polyether amine, so that a better toughening effect can be achieved, the formed film has better mechanical property, the waterproof film of the finishing agent can not be easily damaged by friction and is more resistant to water washing, and finally the aim of improving the water repellency durability of the finishing agent is fulfilled.
In order to achieve the second object, the invention provides the following technical scheme:
a processing technology of moisture-proof leather clothing comprises the following steps:
s1, preparing a finishing agent; firstly, mixing nano silicon dioxide, pyridine compound, surfactant and deionized water, heating to 50-60 ℃, stirring for 15-30min, then adding carboxymethyl cellulose and colloidal lithium magnesium silicate, continuously stirring for 30-40min, and cooling to room temperature;
s2, soaking and rolling the leather garment twice; using finishing agent to carry out two-dipping and two-rolling on the leather clothing at the mangle ratio of 65-75%, drying at 90-100 ℃, and baking for 60-80 s.
The present invention in a preferred example may be further configured to: after the fur clothing is treated by the finishing agent, the protective agent can be prepared, and the preparation method of the protective agent comprises the following steps: mixing butyl acrylate, polyether amine and N, N-dimethylbenzylamine, introducing nitrogen for protection, heating to 110-120 ℃, stirring for reaction for 2-3h, and cooling to room temperature.
The present invention in a preferred example may be further configured to: after the protective agent is prepared, the leather clothing is subjected to secondary soaking and secondary rolling treatment by using the protective agent at a mangle ratio of 65-75%, and finally dried at 90-100 ℃ and baked for 60-80 s.
By adopting the technical scheme, after the finishing agent is treated, the protective agent is used as the protective layer, so that the waterproof film of the finishing agent cannot be easily damaged by friction, and is more resistant to water washing, and the water repellency durability of the finishing agent is improved.
The present invention in a preferred example may be further configured to: and adding carboxymethyl cellulose and colloidal lithium magnesium silicate into the S1, stirring, adding glutaraldehyde and a crosslinking agent, continuously heating to 75-80 ℃, stirring for reacting for 2-3h, and cooling to room temperature.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the water repellency is improved by adding the nano silicon dioxide and the pyridine compound with hydrophobicity, when the nano particles are uniformly mixed with the carboxymethyl cellulose serving as the adhesive, the nano particles can be uniformly distributed and stably attached to the surface of the fiber through the adhesion of macromolecules of the adhesive, so that the water repellency durability of the leather garment is improved; the colloidal magnesium lithium silicate with the nano structure realizes uniform mixing of the components, and a waterproof film with stable performance is formed by assistance, so that the colloidal magnesium lithium silicate and the carboxymethyl cellulose can generate a synergistic effect, the continuity and the compactness of the finishing agent after film forming are improved, and the fur clothing has better moisture resistance;
2. the n-butylamine serving as the aliphatic amine has straight-chain alkane, so that the surface tension can be reduced, and the water repellency can be improved; the presence of the cross-linking agent can assist in realizing the cross-linking between the n-butylamine and the pyridine compound, so that the overall performance and the mechanical strength of the finishing agent after film formation are improved, and the durability of water repellency of the finishing agent is improved;
3. after the finishing agent is padded, the finishing agent is padded again by the protective agent, on one hand, a protective film formed by the protective agent plays a protective role on a waterproof film of the finishing agent, and meanwhile, a film formed by the protective agent has better mechanical performance, so that the waterproof film of the finishing agent cannot be easily damaged by friction, is more resistant to water washing, and improves the durability of water repellency of the finishing agent.
Drawings
FIG. 1 is a flow chart of a process provided by the present invention.
Detailed Description
The present invention is described in further detail below with reference to fig. 1.
In the invention, the nano silicon dioxide is purchased from Hangzhou Wanjing new material company, Ltd; carboxymethyl cellulose was purchased from Baishi chemical Co., Ltd, Tianjin; the colloidal lithium magnesium silicate is purchased from Nanjing Baiyi New Material science and technology Limited; 3-methylpyridine was purchased from Nanjing Guanhua trade company, Inc.
The starting materials used in the following examples are all available from ordinary commercial sources except for those specifically mentioned above.
Preparation example
Preparation example 1
2 parts of oleic acid is taken, monoethanolamine is weighed according to the molar ratio of the oleic acid to the monoethanolamine of 1:1, and the oleic acid and the monoethanolamine are mixed and stirred for 30min to prepare the surfactant oleic acid monoethanolamine salt.
Examples
Example 1
The invention discloses a dampproof leather garment and a processing technology thereof, and with reference to fig. 1, the processing technology comprises the following steps:
s1, preparing a finishing agent; firstly, mixing nano silicon dioxide, pyridine compound, surfactant and deionized water, heating to 50 ℃, stirring for 15min, then adding carboxymethyl cellulose and colloidal lithium magnesium silicate, and continuing to stir for 30 min; adding glutaraldehyde and a cross-linking agent, continuously heating to 75 ℃, stirring for reacting for 2 hours, and cooling to room temperature;
s2, soaking and rolling the leather garment twice; using a finishing agent to carry out two-dipping and two-rolling on the leather clothing at a mangle ratio of 65%, drying at 90 ℃, and baking for 60 s;
s3, preparing a protective agent; mixing butyl acrylate, polyetheramine and N, N-dimethylbenzylamine, introducing nitrogen for protection, heating to 110 ℃, stirring for reacting for 2 hours, and cooling to room temperature;
s4, soaking and rolling the leather garment twice; and (3) performing secondary soaking and secondary rolling treatment on the leather clothing again by using a protective agent at a mangle ratio of 65%, drying at 90 ℃ and baking for 60 s.
The contents of the components are shown in table 1 below.
Example 2
The invention discloses a dampproof leather garment and a processing technology thereof, and with reference to fig. 1, the processing technology comprises the following steps:
s1, preparing a finishing agent; firstly, mixing nano silicon dioxide, pyridine compound, surfactant and deionized water, heating to 60 ℃, stirring for 30min, then adding carboxymethyl cellulose and colloidal lithium magnesium silicate, and continuing to stir for 40 min; adding glutaraldehyde and a cross-linking agent, continuously heating to 80 ℃, stirring for reacting for 3 hours, and cooling to room temperature;
s2, soaking and rolling the leather garment twice; using a finishing agent to carry out two-dipping and two-rolling on the leather clothing at a mangle ratio of 75%, drying at 100 ℃, and baking for 80 s;
s3, preparing a protective agent; mixing butyl acrylate, polyetheramine and N, N-dimethylbenzylamine, introducing nitrogen for protection, heating to 120 ℃, stirring for reacting for 3 hours, and cooling to room temperature;
s4, soaking and rolling the leather garment twice; and (3) performing secondary soaking and secondary rolling treatment on the leather clothing again by using a protective agent at a mangle ratio of 75%, drying at 100 ℃, and baking for 80 s.
The contents of the components are shown in table 1 below.
Example 3
The invention discloses a dampproof leather garment and a processing technology thereof, and with reference to fig. 1, the processing technology comprises the following steps:
s1, preparing a finishing agent; firstly, mixing nano silicon dioxide, pyridine compound, surfactant and deionized water, heating to 55 ℃, stirring for 24min, then adding carboxymethyl cellulose and colloidal lithium magnesium silicate, and continuing to stir for 35 min; adding glutaraldehyde and a cross-linking agent, continuously heating to 78 ℃, stirring for reacting for 2 hours, and cooling to room temperature;
s2, soaking and rolling the leather garment twice; using a finishing agent to carry out two-dipping and two-rolling on the leather clothing at a mangle ratio of 70%, drying at 94 ℃, and baking for 70 s;
s3, preparing a protective agent; mixing butyl acrylate, polyetheramine and N, N-dimethylbenzylamine, introducing nitrogen for protection, heating to 116 ℃, stirring for reacting for 3 hours, and cooling to room temperature;
s4, soaking and rolling the leather garment twice; and (3) performing secondary soaking and secondary rolling treatment on the leather clothing again by using a protective agent at a mangle ratio of 70%, drying at 94 ℃, and baking for 70 s.
The contents of the components are shown in table 1 below.
Example 4
The difference from example 1 is that the crosslinking agent glutaraldehyde was replaced with glyoxal, and the contents of the respective components are shown in table 1 below.
Example 5
The difference from example 1 is that the polyetheramine is replaced by polypropylene glycol and the contents of the components are shown in table 1 below.
Example 6
The difference from example 1 is that the fur clothing was subjected to the two-dip two-roll treatment without using a repellent.
Comparative example
Comparative example 1
Fur clothing that was not treated with the finish and protective agent of the present application.
Comparative example 2
The difference from example 1 is that nano-silica is replaced by polymethylhydrosiloxane, and the contents of the components are shown in table 2 below.
Comparative example 3
The difference from example 1 is that the pyridine compound 3-methylpyridine is replaced with 5-phenylpyridine-2-carbonitrile, and the contents of the respective components are shown in Table 2 below.
Comparative example 4
The difference from example 1 is that carboxymethyl cellulose was replaced with polyvinyl alcohol and the contents of the respective components are shown in table 2 below.
Comparative example 5
The difference from example 1 is that colloidal lithium magnesium silicate is replaced by nano-alumina, and the contents of the components are shown in table 2 below.
Comparative example 6
The difference from example 1 is that methyl alkenyl polyoxyethylene ether is used as the surfactant, and the content of each component is shown in table 2 below.
TABLE 1 ingredient content Table for each example
Figure BDA0002579614540000061
TABLE 2 ingredient content in each proportion
Figure BDA0002579614540000062
Figure BDA0002579614540000071
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 30 times of washing was tested to judge the water repellency durability by washing 30 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
Figure BDA0002579614540000072
In summary, the following results can be obtained:
1. as can be seen from examples 1 and 4 in combination with table 3, the addition of glutaraldehyde according to the present invention improves water repellency and also contributes to water repellency durability.
2. It can be seen from examples 1 and 5 in combination with table 3 that the water repellency durability is effectively improved by the protective agent after crosslinking of polyetheramine and butyl acrylate.
3. As can be seen from examples 1 and 6 in combination with table 3, the use of the repellent improves the water repellency durability.
4. According to the example 1 and the comparative example 1 and the combination of the table 3, the fur clothing treated by the finishing agent and the protective agent of the invention has better water repellency and strong durability.
5. As can be seen from example 1 and comparative example 2 in combination with table 3, the nanosilica has better water repellency and durability than polymethylhydrosiloxane.
6. As can be seen from example 1 and comparative example 3 in combination with Table 3, the addition of 3-methylpyridine has better water repellency and durability, probably due to the crosslinking of 3-methylpyridine and n-butylamine by glutaraldehyde, which improves the performance of the finish.
7. According to the examples 1, 4 and 5 and the combination of the table 3, the carboxymethyl cellulose and the colloidal lithium magnesium silicate have better water repellency and durability, and the addition of the carboxymethyl cellulose and the colloidal lithium magnesium silicate has a synergistic effect.
8. As can be seen from example 1, comparative example 6, and table 3, the surfactant is selected from monoethanolamine oleate to some extent to improve water repellency.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but is protected by patent law within the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a dampproofing fur clothing, includes the fur clothing, its characterized in that: the surface of the fur clothing is finished by a finishing agent, and the finishing agent comprises the following raw materials in parts by weight:
10-15 parts of nano silicon dioxide;
8-10 parts of a pyridine compound;
4-5 parts of carboxymethyl cellulose;
1-2 parts of colloidal lithium magnesium silicate;
a surfactant;
20-30 parts of deionized water.
2. The moisture-proof fur clothing as claimed in claim 1, wherein: the raw materials also comprise 1-2 parts of cross-linking agent and 2-4 parts of n-butylamine according to parts by weight.
3. The moisture-proof fur clothing as claimed in claim 2, wherein: the cross-linking agent is glutaraldehyde.
4. The moisture-proof fur clothing as claimed in claim 1, wherein: the pyridine compound is 3-methylpyridine.
5. The moisture-proof fur clothing as claimed in claim 1, wherein: the surfactant is oleic acid monoethanolamine salt prepared by oleic acid and monoethanolamine according to the molar ratio of 1: 1; and the oleic acid accounts for 2 parts by weight.
6. The moisture-proof fur clothing as claimed in claim 1, wherein: the fur clothing is finished by a finishing agent and then finished by a protective agent, wherein the protective agent comprises the following components in parts by weight:
10-15 parts of butyl acrylate;
4-5 parts of polyetheramine;
1-2 parts of N, N-dimethylbenzylamine.
7. The process for producing moisture-proof fur clothing as claimed in any one of claims 1 to 6, comprising the steps of:
s1, preparing a finishing agent; firstly, mixing nano silicon dioxide, pyridine compound, surfactant and deionized water, heating to 50-60 ℃, stirring for 15-30min, then adding carboxymethyl cellulose and colloidal lithium magnesium silicate, continuously stirring for 30-40min, and cooling to room temperature;
s2, soaking and rolling the leather garment twice; using finishing agent to carry out two-dipping and two-rolling on the leather clothing at the mangle ratio of 65-75%, drying at 90-100 ℃, and baking for 60-80 s.
8. The processing technology of the dampproof leather garment according to claim 7, characterized in that: after the fur clothing is treated by the finishing agent, the protective agent can be prepared, and the preparation method of the protective agent comprises the following steps: mixing butyl acrylate, polyether amine and N, N-dimethylbenzylamine, introducing nitrogen for protection, heating to 110-120 ℃, stirring for reaction for 2-3h, and cooling to room temperature.
9. The processing technology of the dampproof leather garment according to claim 8, characterized in that: after the protective agent is prepared, the leather clothing is subjected to secondary soaking and secondary rolling treatment by using the protective agent at a mangle ratio of 65-75%, and finally dried at 90-100 ℃ and baked for 60-80 s.
10. The processing technology of the dampproof leather garment according to claim 7, characterized in that: and adding carboxymethyl cellulose and colloidal lithium magnesium silicate into the S1, stirring, adding glutaraldehyde and a crosslinking agent, continuously heating to 75-80 ℃, stirring for reacting for 2-3h, and cooling to room temperature.
CN202010663850.5A 2020-07-10 2020-07-10 Moisture-proof leather garment and processing technology thereof Pending CN111778720A (en)

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GB1424698A (en) * 1972-04-20 1976-02-11 Intercooperation Krereskedelem Production of an improved finish in textile products
US4405790A (en) * 1982-04-08 1983-09-20 Reilly Tar & Chemical Corp. Process for preparing 2-alkylamino- and 2-amino-5-alkylpyridines
US5102930A (en) * 1988-07-19 1992-04-07 Shin-Etsu Chemical Company, Limited Silicone-based fabric finishing agent and fabric material finished therewith
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Application publication date: 20201016