CN113897465A - Fluorine-free environment-friendly fur coating process - Google Patents
Fluorine-free environment-friendly fur coating process Download PDFInfo
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- CN113897465A CN113897465A CN202111353550.8A CN202111353550A CN113897465A CN 113897465 A CN113897465 A CN 113897465A CN 202111353550 A CN202111353550 A CN 202111353550A CN 113897465 A CN113897465 A CN 113897465A
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- cationic
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- 238000000576 coating method Methods 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 107
- 125000002091 cationic group Chemical group 0.000 claims abstract description 55
- 238000005507 spraying Methods 0.000 claims description 75
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 58
- 238000010409 ironing Methods 0.000 claims description 40
- 238000001035 drying Methods 0.000 claims description 35
- 229920002635 polyurethane Polymers 0.000 claims description 32
- 239000004814 polyurethane Substances 0.000 claims description 32
- 239000003795 chemical substances by application Substances 0.000 claims description 30
- 210000004209 hair Anatomy 0.000 claims description 24
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 22
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 10
- 239000011259 mixed solution Substances 0.000 claims description 10
- 239000000049 pigment Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 10
- 150000001768 cations Chemical class 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000007730 finishing process Methods 0.000 claims 6
- 239000011248 coating agent Substances 0.000 abstract description 6
- 239000010985 leather Substances 0.000 abstract description 6
- 230000035515 penetration Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract 2
- 238000004040 coloring Methods 0.000 abstract 1
- 238000005461 lubrication Methods 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 210000000085 cashmere Anatomy 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- C14C11/003—Surface finishing of leather using macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B15/00—Mechanical treatment of furs
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B17/00—Details of apparatus or machines for manufacturing or treating skins, hides, leather, or furs
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B17/00—Details of apparatus or machines for manufacturing or treating skins, hides, leather, or furs
- C14B17/14—Auxiliary devices for leather-working machines, e.g. grinding devices for blading cylinders or dust-removal devices combined with the working machines
-
- 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
- C14C15/00—Apparatus for chemical treatment or washing of hides, skins, or leather
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention belongs to the technical field of fur processing, and particularly relates to a fluorine-free environment-friendly fur coating process, wherein a fluorine-free waterproof material is used for treating a board surface of a fur, so that a compact fluorine-free waterproof film layer is formed on the board surface, the phenomenon that a leather body is too hard and skinned due to excessive penetration of the coating material into the leather board is prevented, a cationic material is used for coating a cationic layer on the fur after bottom sealing, namely the board surface of the fur is further sealed after the fluorine-free waterproof layer, the excessive penetration of nonionic color paste into the leather board is prevented, and the coated fur has good hand feeling, oil lubrication, natural skin friendliness and wear resistance. The invention uses the fluoride-free waterproof material for bottom sealing, and then sprays the cationic material and the nonionic color paste material, so that the coloring effect of the surface of the fur board is good, and the fur board is naturally skin-friendly and wear-resistant after being coated.
Description
Technical Field
The invention belongs to the technical field of fur processing, and particularly relates to a fluorine-free environment-friendly fur coating process.
Background
With the continuous improvement of living standard of people, fur clothes are no longer just for the need of keeping out cold, and the fur clothes are required to have high quality and beautiful appearance. Therefore, when the surface of the existing cashmere leather is coated, the surface of the cashmere leather is uneven, the coating penetrates into the skin unevenly, the problems of peeling, dirt seepage and the like can be caused in the later production process, and the hand feeling and the color uniformity of fur are influenced. And the traditional fur leather surface coating adopts a solvent waterproof material or fluorine-containing acrylic polyurethane polymer, the solvent waterproof material has heavy taste, pollutes air and has certain harm to human bodies, and the fluorine-containing acrylic polyurethane polymer is harmful to the environment and finally has serious harm to human and animals.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the following technical scheme:
a fluorine-free environment-friendly fur coating process comprises the following steps:
1) dust removal: cleaning the board surface and the dust on the fur surface of the fur to obtain clean and dust-free fur;
2) spraying a fluorine-free waterproof layer: uniformly spraying a fluorine-free waterproof material on the board surface of the fur obtained in the step 1) to obtain the fur with a back cover;
3) spraying a cation layer: uniformly spraying cationic materials on the fluorine-free waterproof layer of the fur obtained in the step 2);
4) spraying a non-ionic color paste layer: uniformly spraying nonionic color paste materials on the cationic layer of the fur obtained in the step 3), and drying the fur sprayed with the nonionic color paste materials to obtain the fur with uniform, soft, smooth and elastic board surface color;
5) ironing: ironing the fur obtained in the step 4) by an ironing machine to enable the fluoride-free waterproof material, the cationic material and the nonionic color paste material to uniformly form a protective film on the surface of the fur board, so as to obtain the fur which is soft, smooth and elastic;
6) fur finishing: and (5) spraying a hair ironing material on the hair side of the fur obtained in the step 5), and ironing the hair side by using a hair ironing machine to obtain the fur with high hair side brightness and silky and smooth fur.
Preferably, the fluorine-free waterproof material in the step 2) is a mixture of a water-based acrylic acid polyurethane copolymer and water, the mass ratio of the water-based acrylic acid polyurethane copolymer to the water is 2.5-4.5: 1, and the pH value of the fluorine-free waterproof material is 7.0-7.5;
the spraying process comprises the following steps: uniformly spraying a fluorine-free waterproof material on the board surface of the fur by adopting a rotary pulp sprayer, and drying the fur after the fluorine-free waterproof material is sprayed, wherein the rotating speed of the rotary pulp sprayer is 24 r/min, the fur moves at a constant speed of 9 m/min, the drying temperature is 65-75 ℃, the drying time is 2 minutes, and the spraying amount of the fluorine-free waterproof material is 1.1-1.5 g/sq.ft.
The waterproof detection method comprises the following steps: dripping water on the fluorine-free waterproof layer obtained in the step 2), not permeating into the fur within 15 seconds, and making the water drop spherical, so as to meet the waterproof performance requirement.
Preferably, the cationic material in the step 3) is a mixed solution of cationic polyurethane, a cationic wax agent and water, the mass ratio of the cationic polyurethane to the cationic wax agent to the water is 100:10:100, and the pH value of the mixed solution is 6.0-6.5;
the spraying process comprises the following steps: two layers of cationic materials are evenly sprayed on the fluorine-free waterproof layer of the fur by a rotary pulp sprayer, the rotating speed of the rotary pulp sprayer is 24 r/min, the fur moves at a constant speed of 9 m/min, and the spraying amount of each layer is 0.45 g/sq.ft-0.60 g/sq.ft.
Preferably, the nonionic color paste material in the step 4) is a mixture of nonionic acrylic acid, nonionic polyurethane, nonionic wax agent, water and nonionic pigment paste, the mass ratio of the nonionic acrylic acid to the nonionic polyurethane to the nonionic wax agent to the water to the nonionic pigment paste is 180:220:150:450:60, and the pH value of the mixture is 7.5-8.0.
The spraying process comprises the following steps: uniformly spraying three layers of nonionic color paste materials on a cationic layer of the fur by using a rotary pulp sprayer, and drying the fur after the three layers of nonionic color paste materials are sprayed, wherein the rotating speed of the rotary pulp sprayer is 24 r/min, the fur moves at a constant speed of 9 m/min, the spraying amount of each layer is 0.70 g/sq.ft-0.80 g/sq.ft, the drying temperature is 65-75 ℃, and the drying time is 2 minutes.
Preferably, the ironing temperature of the ironing machine in the step 5) is 85-95 ℃, the pressure is 30 kg/square centimeter, and the moving speed of the fur is 7 m/min.
Preferably, the thickness of the protective film in step 5) is 0.2 to 0.3 μm.
Preferably, the scalding material in the step 6) is a mixture of alcohol, a scalding agent and water, and the mass ratio of the alcohol to the scalding agent to the water is 150:10: 850.
The invention also comprises other steps which can lead the fluorine-free environment-friendly fur coating process to be normally used, and all the steps are conventional technical means in the field. In addition, the technical means which are not limited in the invention adopt the conventional technical means in the field.
Compared with the prior art, the invention has the beneficial effects that: (1) the method treats the color blank of the fur through the fluorine-free waterproof material, so that a compact fluorine-free waterproof film layer is formed on the surface of the fur, and the phenomena of over-hardness, peeling and the like caused by excessive penetration of the coating material into the fur are prevented;
(2) the invention adopts the water-based fluoride-free waterproof material as the waterproof treatment before coating, and has no pollution to the environment;
(3) the cationic material is adopted to coat the cationic layer of the fur after bottoming, so that the board surface of the fur is further sealed after the fluorine-free waterproof layer is coated, the nonionic color paste is prevented from excessively permeating into the fur, and the coated fur is good in hand feeling, oily, natural, skin-friendly and wear-resistant.
Detailed Description
The present invention will be described more clearly with reference to specific embodiments, which are provided herein for the purpose of illustration only and are not to be construed as limiting the invention. All other embodiments, which can be obtained by those skilled in the art without any inventive step based on the embodiments of the present invention, should be included in the scope of the present invention.
Example 1
A fluorine-free environment-friendly fur coating process comprises the following steps:
1) dust removal: cleaning the board surface and the dust on the fur surface of the fur to obtain clean and dust-free fur;
2) spraying a fluorine-free waterproof layer: uniformly spraying a fluorine-free waterproof material on the board surface of the fur obtained in the step 1) to obtain the fur with a back cover;
3) spraying a cation layer: uniformly spraying cationic materials on the fluorine-free waterproof layer of the fur obtained in the step 2);
4) spraying a non-ionic color paste layer: uniformly spraying nonionic color paste materials on the cationic layer of the fur obtained in the step 3), and drying the fur sprayed with the nonionic color paste materials to obtain the fur with uniform, soft, smooth and elastic board surface color;
5) ironing: ironing the fur obtained in the step 4) by an ironing machine to enable the fluoride-free waterproof material, the cationic material and the nonionic color paste material to uniformly form a protective film on the surface of the fur board, so as to obtain the fur which is soft, smooth and elastic;
6) fur finishing: and (5) spraying a hair ironing material on the hair side of the fur obtained in the step 5), and ironing the hair side by using a hair ironing machine to obtain the fur with high hair side brightness and silky and smooth fur.
In the step 2), the fluorine-free waterproof material is a mixture of a water-based acrylic acid polyurethane copolymer and water, the mass ratio of the water-based acrylic acid polyurethane copolymer to the water is 3:1, and the pH value of the fluorine-free waterproof material is 7.3.
The spraying process comprises the following steps: uniformly spraying a fluorine-free waterproof material on the board surface of the fur by adopting a rotary pulp sprayer, and drying the fur after the fluorine-free waterproof material is sprayed, wherein the rotating speed of the rotary pulp sprayer is 24 r/min, the fur moves at a constant speed of 9 m/min, the drying temperature is 70 ℃, the drying time is 2 minutes, and the spraying amount of the fluorine-free waterproof material is 1.3 g/sq.ft.
The waterproof detection method comprises the following steps: dripping water on the fluorine-free waterproof layer obtained in the step 2), not permeating into the fur within 15 seconds, and making the water drop spherical, so as to meet the waterproof performance requirement.
In the step 3), the cationic material is a mixed solution of cationic polyurethane, a cationic wax agent and water, the mass ratio of the cationic polyurethane to the cationic wax agent to the water is 100:10:100, and the pH value of the mixed solution is 6.3;
the spraying process comprises the following steps: two layers of cationic materials are evenly sprayed on the fluorine-free waterproof layer of the fur by a rotary pulp sprayer, the rotating speed of the rotary pulp sprayer is 24 r/min, the fur moves at a constant speed of 9 m/min, and the spraying amount of each layer is 0.5 g/sq.ft.
The nonionic color paste material in the step 4) is a mixture of nonionic acrylic acid, nonionic polyurethane, nonionic wax agent, water and nonionic pigment paste, the mass ratio of the nonionic acrylic acid to the nonionic polyurethane to the nonionic wax agent to the water to the nonionic pigment paste is 180:220:150:450:60, and the pH value of the mixture is 7.8.
The spraying process comprises the following steps: and uniformly spraying three layers of nonionic color paste materials on the cationic layer of the fur by using a rotary pulp sprayer, and drying the fur after the three layers of nonionic color paste materials are sprayed, wherein the rotating speed of the rotary pulp sprayer is 24 revolutions per minute, the fur moves at a constant speed of 9 meters per minute, the spraying amount of each layer is 0.75 g/square foot, the drying temperature is 70 ℃, and the drying time is 2 minutes.
In the step 5), the ironing temperature of the ironing machine is 90 ℃, the pressure is 30 kg/square centimeter, and the moving speed of the fur is 7 m/min.
The thickness of the protective film in step 5) was 0.25 μm.
The scalding material in the step 6) is a mixture of alcohol, a scalding agent and water, and the mass ratio of the alcohol to the scalding agent to the water is 150:10: 850.
Example 2
A fluorine-free environment-friendly fur coating process comprises the following steps:
1) dust removal: cleaning the board surface and the dust on the fur surface of the fur to obtain clean and dust-free fur;
2) spraying a fluorine-free waterproof layer: uniformly spraying a fluorine-free waterproof material on the board surface of the fur obtained in the step 1) to obtain the fur with a back cover;
3) spraying a cation layer: uniformly spraying cationic materials on the fluorine-free waterproof layer of the fur obtained in the step 2);
4) spraying a non-ionic color paste layer: uniformly spraying nonionic color paste materials on the cationic layer of the fur obtained in the step 3), and drying the fur sprayed with the nonionic color paste materials to obtain the fur with uniform, soft, smooth and elastic board surface color;
5) ironing: ironing the fur obtained in the step 4) by an ironing machine to enable the fluoride-free waterproof material, the cationic material and the nonionic color paste material to uniformly form a protective film on the surface of the fur board, so as to obtain the fur which is soft, smooth and elastic;
6) fur finishing: and (5) spraying a hair ironing material on the hair side of the fur obtained in the step 5), and ironing the hair side by using a hair ironing machine to obtain the fur with high hair side brightness and silky and smooth fur.
In the step 2), the fluorine-free waterproof material is a mixture of a water-based acrylic acid polyurethane copolymer and water, the mass ratio of the water-based acrylic acid polyurethane copolymer to the water is 2.5:1, and the pH value of the fluorine-free waterproof material is 7.0;
the spraying process comprises the following steps: uniformly spraying a fluorine-free waterproof material on the board surface of the fur by adopting a rotary pulp sprayer, and drying the fur after the fluorine-free waterproof material is sprayed, wherein the rotating speed of the rotary pulp sprayer is 24 r/min, the fur moves at a constant speed of 9 m/min, the drying temperature is 65 ℃, the drying time is 2 minutes, and the spraying amount of the fluorine-free waterproof material is 1.1 g/sq.ft.
The waterproof detection method comprises the following steps: dripping water on the fluorine-free waterproof layer obtained in the step 2), not permeating into the fur within 15 seconds, and making the water drop spherical, so as to meet the waterproof performance requirement.
In the step 3), the cationic material is a mixed solution of cationic polyurethane, a cationic wax agent and water, the mass ratio of the cationic polyurethane to the cationic wax agent to the water is 100:10:100, and the pH value of the mixed solution is 6.0;
the spraying process comprises the following steps: two layers of cationic materials are evenly sprayed on the fluorine-free waterproof layer of the fur by a rotary pulp sprayer, the rotating speed of the rotary pulp sprayer is 24 r/min, the fur moves at a constant speed of 9 m/min, and the spraying amount of each layer is 0.45 g/sq.ft.
The nonionic color paste material in the step 4) is a mixture of nonionic acrylic acid, nonionic polyurethane, nonionic wax agent, water and nonionic pigment paste, the mass ratio of the nonionic acrylic acid to the nonionic polyurethane to the nonionic wax agent to the water to the nonionic pigment paste is 180:220:150:450:60, and the pH value of the mixture is 7.5.
The spraying process comprises the following steps: and uniformly spraying three layers of nonionic color paste materials on the cationic layer of the fur by using a rotary pulp sprayer, and drying the fur after the three layers of nonionic color paste materials are sprayed, wherein the rotating speed of the rotary pulp sprayer is 24 revolutions per minute, the fur moves at a constant speed of 9 meters per minute, the spraying amount of each layer is 0.70 g/square foot, the drying temperature is 65 ℃, and the drying time is 2 minutes.
In the step 5), the ironing temperature of the ironing machine is 85 ℃, the pressure is 30 kg/square centimeter, and the moving speed of the fur is 7 m/min.
The thickness of the protective film in step 5) was 0.2 μm.
The scalding material in the step 6) is a mixture of alcohol, a scalding agent and water, and the mass ratio of the alcohol to the scalding agent to the water is 150:10: 850.
Example 3
A fluorine-free environment-friendly fur coating process comprises the following steps:
1) dust removal: cleaning the board surface and the dust on the fur surface of the fur to obtain clean and dust-free fur;
2) spraying a fluorine-free waterproof layer: uniformly spraying a fluorine-free waterproof material on the board surface of the fur obtained in the step 1) to obtain the fur with a back cover;
3) spraying a cation layer: uniformly spraying cationic materials on the fluorine-free waterproof layer of the fur obtained in the step 2);
4) spraying a non-ionic color paste layer: uniformly spraying nonionic color paste materials on the cationic layer of the fur obtained in the step 3), and drying the fur sprayed with the nonionic color paste materials to obtain the fur with uniform, soft, smooth and elastic board surface color;
5) ironing: ironing the fur obtained in the step 4) by an ironing machine to enable the fluoride-free waterproof material, the cationic material and the nonionic color paste material to uniformly form a protective film on the surface of the fur board, so as to obtain the fur which is soft, smooth and elastic;
6) fur finishing: and (5) spraying a hair ironing material on the hair side of the fur obtained in the step 5), and ironing the hair side by using a hair ironing machine to obtain the fur with high hair side brightness and silky and smooth fur.
In the step 2), the fluorine-free waterproof material is a mixture of water-based acrylic acid polyurethane copolymer, the mass ratio of the water-based acrylic acid polyurethane copolymer to water is 4.5:1, and the pH value of the fluorine-free waterproof material is 7.5;
the spraying process comprises the following steps: uniformly spraying a fluorine-free waterproof material on the board surface of the fur by adopting a rotary pulp sprayer, and drying the fur after the fluorine-free waterproof material is sprayed, wherein the rotating speed of the rotary pulp sprayer is 24 r/min, the fur moves at a constant speed of 9 m/min, the drying temperature is 75 ℃, the drying time is 2 minutes, and the spraying amount of the fluorine-free waterproof material is 1.5 g/sq.ft.
The waterproof detection method comprises the following steps: dripping water on the fluorine-free waterproof layer obtained in the step 2), not permeating into the fur within 15 seconds, and making the water drop spherical, so as to meet the waterproof performance requirement.
In the step 3), the cationic material is a mixed solution of cationic polyurethane, a cationic wax agent and water, the mass ratio of the cationic polyurethane to the cationic wax agent to the water is 100:10:100, and the pH value of the mixed solution is 6.5;
the spraying process comprises the following steps: two layers of cationic materials are evenly sprayed on the fluorine-free waterproof layer of the fur by a rotary pulp sprayer, the rotating speed of the rotary pulp sprayer is 24 r/min, the fur moves at a constant speed of 9 m/min, and the spraying amount of each layer is 0.60 g/sq.ft.
The nonionic color paste material in the step 4) is a mixture of nonionic acrylic acid, nonionic polyurethane, nonionic wax agent, water and nonionic pigment paste, the mass ratio of the nonionic acrylic acid to the nonionic polyurethane to the nonionic wax agent to the water to the nonionic pigment paste is 180:220:150:450:60, and the pH value of the mixture is 8.0.
The spraying process comprises the following steps: uniformly spraying three layers of nonionic color paste materials on a cationic layer of the fur by using a rotary pulp sprayer, and drying the fur after the three layers of nonionic color paste materials are sprayed, wherein the rotating speed of the rotary pulp sprayer is 24 r/min, the fur moves at a constant speed of 9 m/min, the spraying amount of each layer is 0.70 g/sq.ft-0.80 g/sq.ft, the drying temperature is 75 ℃, and the drying time is 2 minutes.
In the step 5), the ironing temperature of the ironing machine is 95 ℃, the pressure is 30 kg/square centimeter, and the moving speed of the fur is 7 m/min.
The thickness of the protective film in step 5) was 0.3 μm.
The scalding material in the step 6) is a mixture of alcohol, a scalding agent and water, and the mass ratio of the alcohol to the scalding agent to the water is 150:10: 850.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.
Claims (7)
1. A fluorine-free environment-friendly fur coating process is characterized by comprising the following steps: the method comprises the following steps:
1) dust removal: cleaning the board surface and the dust on the fur surface of the fur to obtain clean and dust-free fur;
2) spraying a fluorine-free waterproof layer: uniformly spraying a fluorine-free waterproof material on the board surface of the fur obtained in the step 1) to obtain the fur with a back cover;
3) spraying a cation layer: uniformly spraying cationic materials on the fluorine-free waterproof layer of the fur obtained in the step 2);
4) spraying a non-ionic color paste layer: uniformly spraying a nonionic color paste material on the cationic layer of the fur obtained in the step 3), and drying the fur sprayed with the nonionic color paste material to obtain the fur with uniform board color;
5) ironing: ironing the fur obtained in the step 4) by an ironing machine to enable the fluoride-free waterproof material, the cationic material and the nonionic color paste material to uniformly form a protective film on the surface of the fur plate;
6) fur finishing: and (5) spraying a hair ironing material on the hair side of the fur obtained in the step 5), and ironing the hair side by using a hair ironing machine.
2. The fluorine-free environment-friendly fur finishing process according to claim 1, characterized in that: in the step 2), the fluorine-free waterproof material is a mixture of a water-based acrylic acid polyurethane copolymer and water, the mass ratio of the water-based acrylic acid polyurethane copolymer to the water is 2.5-4.5: 1, and the pH value of the fluorine-free waterproof material is 7.0-7.5;
the spraying process comprises the following steps: uniformly spraying a fluorine-free waterproof material on the board surface of the fur by adopting a rotary pulp sprayer, and drying the fur after the fluorine-free waterproof material is sprayed, wherein the rotating speed of the rotary pulp sprayer is 24 r/min, the fur moves at a constant speed of 9 m/min, the drying temperature is 65-75 ℃, the drying time is 2 minutes, and the spraying amount of the fluorine-free waterproof material is 1.1-1.5 g/sq.ft.
3. The fluorine-free environment-friendly fur finishing process according to claim 1, characterized in that: in the step 3), the cationic material is a mixed solution of cationic polyurethane, a cationic wax agent and water, the mass ratio of the cationic polyurethane to the cationic wax agent to the water is 100:10:100, and the pH value of the mixed solution is 6.0-6.5;
the spraying process comprises the following steps: two layers of cationic materials are evenly sprayed on the fluorine-free waterproof layer of the fur by a rotary pulp sprayer, the rotating speed of the rotary pulp sprayer is 24 r/min, the fur moves at a constant speed of 9 m/min, and the spraying amount of each layer is 0.45 g/sq.ft-0.60 g/sq.ft.
4. The fluorine-free environment-friendly fur finishing process according to claim 1, characterized in that: the nonionic color paste material in the step 4) is a mixture of nonionic acrylic acid, nonionic polyurethane, a nonionic wax agent, water and a nonionic pigment paste, the mass ratio of the nonionic acrylic acid to the nonionic polyurethane to the nonionic wax agent to the water to the nonionic pigment paste is 180:220:150:450:60, and the pH value of the mixture is 7.5-8.0;
the spraying process comprises the following steps: uniformly spraying three layers of nonionic color paste materials on a cationic layer of the fur by using a rotary pulp sprayer, and drying the fur after the three layers of nonionic color paste materials are sprayed, wherein the rotating speed of the rotary pulp sprayer is 24 r/min, the fur moves at a constant speed of 9 m/min, the spraying amount of each layer is 0.70 g/sq.ft-0.80 g/sq.ft, the drying temperature is 65-75 ℃, and the drying time is 2 minutes.
5. The fluorine-free environment-friendly fur finishing process according to claim 1, characterized in that: in the step 5), the ironing temperature of the ironing machine is 85-95 ℃, the pressure is 30 kg/square centimeter, and the moving speed of the fur is 7 m/min.
6. The fluorine-free environment-friendly fur finishing process according to claim 1, characterized in that: the thickness of the protective film in the step 5) is 0.2-0.3 microns.
7. The fluorine-free environment-friendly fur finishing process according to claim 1, characterized in that: the scalding material in the step 6) is a mixture of alcohol, a scalding agent and water, and the mass ratio of the alcohol to the scalding agent to the water is 150:10: 850.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111353550.8A CN113897465A (en) | 2021-11-16 | 2021-11-16 | Fluorine-free environment-friendly fur coating process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105886677A (en) * | 2016-04-22 | 2016-08-24 | 广州市惠景皮革有限公司 | Aniline calfskin leather coating composition and coating technology thereof |
| CN107338338A (en) * | 2017-09-04 | 2017-11-10 | 焦作隆丰皮草企业有限公司 | A kind of preparation method of sheep shearing slurry leather goods |
| CN107385125A (en) * | 2017-09-04 | 2017-11-24 | 焦作隆丰皮草企业有限公司 | A kind of aqueous, environmental protective leather finish method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105886677A (en) * | 2016-04-22 | 2016-08-24 | 广州市惠景皮革有限公司 | Aniline calfskin leather coating composition and coating technology thereof |
| CN107338338A (en) * | 2017-09-04 | 2017-11-10 | 焦作隆丰皮草企业有限公司 | A kind of preparation method of sheep shearing slurry leather goods |
| CN107385125A (en) * | 2017-09-04 | 2017-11-24 | 焦作隆丰皮草企业有限公司 | A kind of aqueous, environmental protective leather finish method |
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