CN112220119B - Preparation method of seamless-fitting waterproof down jacket - Google Patents
Preparation method of seamless-fitting waterproof down jacket Download PDFInfo
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- CN112220119B CN112220119B CN202011108417.1A CN202011108417A CN112220119B CN 112220119 B CN112220119 B CN 112220119B CN 202011108417 A CN202011108417 A CN 202011108417A CN 112220119 B CN112220119 B CN 112220119B
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- down jacket
- waterproof
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- rubbing
- layer material
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Classifications
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D3/00—Overgarments
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/02—Layered materials
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/10—Impermeable to liquids, e.g. waterproof; Liquid-repellent
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
Abstract
The application discloses a preparation method of a seamless-fitting waterproof down jacket, which comprises the following steps: (1) Printing, cutting and cutting to obtain an inner layer material, a PU adhesive film and an outer layer material required by the preparation of the down jacket; (2) The inner layer material, the PU adhesive film and the outer layer material are subjected to hot pressing lamination to obtain a down jacket cut piece; (3) Coating waterproof paint on the outer surface of the down jacket cut piece, putting the down jacket cut piece into a rubbing mill for rubbing and grinding after the paint is solidified, repeating the operations of coating, solidifying and rubbing and grinding for three times, and finally coating a layer of waterproof paint on the outer surface of the down jacket cut piece; (4) filling down the cut pieces; and (5) attaching auxiliary materials. The seamless laminated waterproof down jacket is subjected to repeated waterproof coating, curing and rolling operations during preparation, so that the coating on the outermost surface is outstanding in bending and abrasion resistance, and the down jacket can maintain excellent waterproof and antifouling effects for a long time after being worn.
Description
Technical Field
The application relates to the technical field of down jackets, in particular to a preparation method of a seamless-fitting waterproof down jacket.
Background
The down jacket is a very popular cold-proof garment, and is generally formed by sewing a bright-colored fabric and lining capable of preventing down from leaking out and down filled between the fabric and the lining. When the wear is carried out in cold winter, the wear is light and beautiful.
When the down jacket is produced by the traditional fabric, a large amount of sewing machines are needed, the production efficiency of the down jacket is low, the labor cost is high, and meanwhile, the produced down jacket has the common phenomenon of penetration of needle holes into the down jacket. At present, the down jackets are produced by partially adopting the seamless down filling technology in the market, and the seamless fit down jackets have good waterproof effect when being worn just, but have poor waterproof effect due to the fact that the waterproof layer on the surface layer is damaged after being worn for a certain time.
Disclosure of Invention
The application aims to provide a preparation method of a seamless fit waterproof down jacket, which solves the defect that the waterproof effect of the traditional seamless fit waterproof down jacket is easy to deteriorate after being worn for a period of time.
The application realizes the above purpose through the following technical scheme:
a method for preparing a seamless waterproof down jacket comprises the following steps of
(1) Material preparation: performing printing according to the size specification of the style of the down jacket, and then cutting and cutting materials according to the printed sample plate to obtain an inner layer material, a PU adhesive film and an outer layer material required by the preparation of the down jacket;
(2) And (5) hot pressing and laminating: sequentially stacking the inner layer material, the PU adhesive film and the outer layer material according to the position requirement of a sample plate, putting the sample plate into a hot-sticking machine, and carrying out hot-pressing lamination for 18-25s at 120-130 ℃ to obtain a down jacket cut piece;
(3) And (3) waterproof treatment: coating waterproof paint on the outer surface of the down jacket cut piece, putting the down jacket cut piece into a rubbing mill for rubbing and grinding after the paint is solidified, repeating the operations of coating, solidifying and rubbing and grinding for three times, and finally coating a layer of waterproof paint on the outer surface of the down jacket cut piece;
(4) And (5) filling down in the cut pieces: filling down into the cut pieces of the down jacket after the waterproof treatment to obtain a semi-finished product of the down jacket;
(5) And (3) auxiliary material laminating: and (3) seamlessly attaching the sleeve sheets, the cap sheets, the pockets, the neckline and the cuffs to the semi-finished product of the down jacket to obtain the seamless waterproof down jacket.
The further improvement is that the inner layer material and the outer layer material adopt cotton, hemp, terylene, chinlon or blended fabrics thereof which are woven or knitted.
The further improvement is that in the waterproof treatment process, the thickness of the waterproof coating for the first time is 20-25nm, the rubbing and grinding rotating speed is 80-100r/min after solidification, and the rubbing and grinding time is 6-8min; the thickness of the waterproof coating for the second time is 15-20nm, the kneading and grinding rotating speed is 60-80r/min after solidification, and the kneading and grinding time is 4-6min; the thickness of the waterproof coating for the third time is 10-15nm, the kneading rotation speed is 40-60r/min after solidification, and the kneading time is 2-4min.
The further improvement is that the thickness of the waterproof paint coated on the outer surface of the down jacket cut piece is 2-10nm.
The waterproof coating is further improved in that the waterproof coating is prepared by mixing water-based acrylic resin, nano zinc oxide powder and titanium dioxide.
The waterproof coating is further improved in that the mass ratio of the water-based acrylic resin in the waterproof coating is 50-80%, the mass ratio of the nano zinc oxide powder is 10-30%, and the mass ratio of the titanium dioxide is 5-20%.
The application has the beneficial effects that: the seamless laminating waterproof down jacket is subjected to repeated waterproof coating, curing and rolling operations during preparation, and the coating is greatly influenced by bending and wearing of the fabric when rolling starts, so that the coating is damaged in a large area, and when rolling is carried out later, the coating is damaged more and less and the pores are reduced more and less due to the buffer effect of the coating damaged before, and finally the coating on the outermost surface is outstanding in bending and wearing resistance, so that the down jacket can maintain excellent waterproof and antifouling effects for a long time after being worn.
Detailed Description
The application will now be described in further detail with reference to the following examples, it being necessary to note that the following detailed description is given for the purpose of illustration only and is not to be construed as limiting the scope of the application, as numerous insubstantial modifications and adaptations of the application are possible in light of the above disclosure by those skilled in the art.
Example 1
A preparation method of a seamless fit waterproof down jacket comprises the following steps:
(1) Material preparation: performing printing according to the size specification of the style of the down jacket, and then cutting and cutting materials according to the pattern after printing to obtain an inner layer material, a PU adhesive film and an outer layer material required by the preparation of the down jacket, wherein the inner layer material and the outer layer material adopt woven or knitted cotton, hemp, terylene, chinlon or blended fabrics thereof;
(2) And (5) hot pressing and laminating: sequentially stacking the inner layer material, the PU adhesive film and the outer layer material according to the position requirement of a sample plate, putting the sample plate into a hot-sticking machine, and carrying out hot-pressing lamination for 25s at the temperature of 120 ℃ to obtain a down jacket cut piece;
(3) And (3) waterproof treatment: coating waterproof paint on the outer surface of the down jacket cut piece, placing the down jacket cut piece in a rubbing mill for rubbing and grinding after the paint is solidified, and repeating the operations of coating, solidifying and rubbing and grinding for three times, wherein the thickness of the waterproof paint coated for the first time is 20nm, the rubbing and grinding rotating speed is 80r/min after solidification, and the rubbing and grinding time is 6min; the thickness of the waterproof coating coated for the second time is 15nm, the kneading and grinding rotating speed after solidification is 60r/min, and the kneading and grinding time is 4min; the thickness of the waterproof coating is 10nm, the rubbing and rolling rotating speed is 40r/min after solidification, the rubbing and rolling time is 2min, and finally, the outer surface of the down jacket cut piece is coated with a layer of waterproof coating with the thickness of 2 nm;
the waterproof coating is prepared by mixing water-based acrylic resin, nano zinc oxide powder and titanium dioxide, wherein the mass ratio of the water-based acrylic resin is 50%, the mass ratio of the nano zinc oxide powder is 30%, and the mass ratio of the titanium dioxide is 20%;
(4) And (5) filling down in the cut pieces: filling down into the cut pieces of the down jacket after the waterproof treatment to obtain a semi-finished product of the down jacket;
(5) And (3) auxiliary material laminating: and (3) seamlessly attaching the sleeve sheets, the cap sheets, the pockets, the neckline and the cuffs to the semi-finished product of the down jacket to obtain the seamless waterproof down jacket.
Example 2
A preparation method of a seamless fit waterproof down jacket comprises the following steps:
(1) Material preparation: performing printing according to the size specification of the style of the down jacket, and then cutting and cutting materials according to the pattern after printing to obtain an inner layer material, a PU adhesive film and an outer layer material required by the preparation of the down jacket, wherein the inner layer material and the outer layer material adopt woven or knitted cotton, hemp, terylene, chinlon or blended fabrics thereof;
(2) And (5) hot pressing and laminating: sequentially stacking the inner layer material, the PU adhesive film and the outer layer material according to the position requirement of a sample plate, putting the sample plate into a hot-sticking machine, and carrying out hot-pressing lamination for 20s at the temperature of 125 ℃ to obtain a down jacket cut piece;
(3) And (3) waterproof treatment: coating waterproof paint on the outer surface of the down jacket cut piece, placing the down jacket cut piece in a rubbing mill for rubbing and grinding after the paint is solidified, and repeating the operations of coating, solidifying and rubbing and grinding for three times, wherein the thickness of the waterproof paint coated for the first time is 22nm, the rubbing and grinding rotating speed is 90r/min after solidification, and the rubbing and grinding time is 7min; the thickness of the waterproof coating coated for the second time is 18nm, the kneading and grinding rotating speed after solidification is 70r/min, and the kneading and grinding time is 5min; the thickness of the waterproof coating is 12nm, the rolling rotating speed is 50r/min after solidification, the rolling time is 3min, and finally, the outer surface of the down jacket cut piece is coated with a layer of waterproof coating with the thickness of 6 nm;
the waterproof coating is prepared by mixing water-based acrylic resin, nano zinc oxide powder and titanium dioxide, wherein the mass ratio of the water-based acrylic resin is 60%, the mass ratio of the nano zinc oxide powder is 25%, and the mass ratio of the titanium dioxide is 15%;
(4) And (5) filling down in the cut pieces: filling down into the cut pieces of the down jacket after the waterproof treatment to obtain a semi-finished product of the down jacket;
(5) And (3) auxiliary material laminating: and (3) seamlessly attaching the sleeve sheets, the cap sheets, the pockets, the neckline and the cuffs to the semi-finished product of the down jacket to obtain the seamless waterproof down jacket.
Example 3
A preparation method of a seamless fit waterproof down jacket comprises the following steps:
(1) Material preparation: performing printing according to the size specification of the style of the down jacket, and then cutting and cutting materials according to the pattern after printing to obtain an inner layer material, a PU adhesive film and an outer layer material required by the preparation of the down jacket, wherein the inner layer material and the outer layer material adopt woven or knitted cotton, hemp, terylene, chinlon or blended fabrics thereof;
(2) And (5) hot pressing and laminating: sequentially stacking the inner layer material, the PU adhesive film and the outer layer material according to the position requirement of a sample plate, putting the sample plate into a hot-sticking machine, and carrying out hot-pressing lamination for 18s at the temperature of 130 ℃ to obtain a down jacket cut piece;
(3) And (3) waterproof treatment: coating waterproof paint on the outer surface of the down jacket cut piece, placing the down jacket cut piece in a rubbing mill for rubbing and grinding after the paint is solidified, and repeating the operations of coating, solidifying and rubbing and grinding for three times, wherein the thickness of the waterproof paint coated for the first time is 25nm, the rubbing and grinding rotating speed is 100r/min after solidification, and the rubbing and grinding time is 8min; the thickness of the waterproof coating coated for the second time is 20nm, the kneading and grinding rotating speed after solidification is 80r/min, and the kneading and grinding time is 6min; the thickness of the waterproof coating is 15nm, the rubbing and rolling rotating speed is 60r/min after solidification, the rubbing and rolling time is 4min, and finally, the outer surface of the down jacket cut piece is coated with a layer of waterproof coating with the thickness of 10nm;
the waterproof coating is prepared by mixing aqueous acrylic resin, nano zinc oxide powder and titanium dioxide, wherein the mass ratio of the aqueous acrylic resin is 80%, the mass ratio of the nano zinc oxide powder is 10%, and the mass ratio of the titanium dioxide is 10%;
(4) And (5) filling down in the cut pieces: filling down into the cut pieces of the down jacket after the waterproof treatment to obtain a semi-finished product of the down jacket;
(5) And (3) auxiliary material laminating: and (3) seamlessly attaching the sleeve sheets, the cap sheets, the pockets, the neckline and the cuffs to the semi-finished product of the down jacket to obtain the seamless waterproof down jacket.
Comparative example 1
The preparation method of the seamless fit waterproof down jacket has the steps basically same as those of the embodiment 2, and the only difference is that: in the waterproof treatment, four layers of waterproof coating materials are sequentially coated on the outer surface of the down jacket cut piece, and the thickness of each layer is the same as that of the embodiment 2, but no rubbing and grinding operation is performed.
Comparative example 2
The preparation method of the seamless fit waterproof down jacket has the steps basically same as those of the embodiment 2, and the only difference is that: during the waterproof treatment, a layer of 58nm thick waterproof paint is directly coated on the outer surface of the down jacket cut piece.
Comparative example 3
The preparation method of the seamless fit waterproof down jacket has the steps basically same as those of the embodiment 2, and the only difference is that: the waterproof paint used in the waterproof treatment is a common waterproof paint (purchased from the wood Jin Yunlai plastic raw material manager of Dongguan city).
Down jackets were prepared according to the methods of examples 1 to 3 and comparative examples 1 to 3, respectively, and the area was 200cm 2 The sample is tested for waterproof performance in the following mode: referring to AATCC 127 standard, the initial water pressure resistance and the water pressure resistance after 10000 folds of a down jacket sample are measured by using an YG812C instrument, specifically, the sample is contacted with water under standard atmospheric pressure, the water pressure is increased at a constant pressure increasing rate (6 kPa/min), and three water drops which gradually become larger appear on the back of the sampleThe pressure at this time is the hydrostatic pressure, and thus represents the water-proof performance of the sample.
As can be seen from the above table, the down jackets manufactured by the methods of examples 1 to 3 of the present application have higher initial water resistance up to 35.8kPa, and after 10000 times of folding, the water resistance is not significantly reduced, examples 1 to 3 are reduced by 3.91%, 3.17% and 4.43%, respectively, while the initial water resistance of comparative examples 1 and 2 is also higher, but after 10000 times of folding, the water resistance is significantly reduced, the water resistance is reduced by 65.93% and 55.24%, respectively, which means that the combination of the layer-by-layer coating and the kneading-grinding operation after curing plays a critical role, but the water resistance cannot be maintained by the layer-by-layer coating alone, and the water resistance is reduced more conversely. While comparative example 3 has an initial water pressure resistance and a water pressure resistance after being folded 10000 times lower than that of example 2, which shows that the waterproof coating material used in the present application has a better waterproof effect, which is related to the nano zinc oxide powder and titanium dioxide added therein.
The foregoing examples illustrate only a few embodiments of the application and are described in detail herein without thereby limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application.
Claims (4)
1. A preparation method of a seamless joint waterproof down jacket is characterized by comprising the following steps: the steps include
(1) Material preparation: performing printing according to the size specification of the style of the down jacket, and then cutting and cutting materials according to the printed sample plate to obtain an inner layer material, a PU adhesive film and an outer layer material required by the preparation of the down jacket;
(2) And (5) hot pressing and laminating: sequentially stacking the inner layer material, the PU adhesive film and the outer layer material according to the position requirement of a sample plate, putting the sample plate into a hot-sticking machine, and carrying out hot-pressing lamination for 18-25s at 120-130 ℃ to obtain a down jacket cut piece;
(3) And (3) waterproof treatment: coating waterproof paint on the outer surface of the down jacket cut piece, putting the down jacket cut piece into a rubbing mill for rubbing and grinding after the paint is solidified, repeating the operations of coating, solidifying and rubbing and grinding for three times, and finally coating a layer of waterproof paint on the outer surface of the down jacket cut piece;
in the waterproof treatment process, the thickness of the waterproof coating is 20-25nm, the rubbing and grinding rotating speed is 80-100r/min after solidification, and the rubbing and grinding time is 6-8min; the thickness of the waterproof coating for the second time is 15-20nm, the kneading and grinding rotating speed is 60-80r/min after solidification, and the kneading and grinding time is 4-6min; the thickness of the waterproof coating coated on the outer surface of the down jacket cut piece is 10-15nm, the rubbing and rolling rotating speed is 40-60r/min after solidification, the rubbing and rolling time is 2-4min, and finally the thickness of the waterproof coating coated on the outer surface of the down jacket cut piece is 2-10nm;
(4) And (5) filling down in the cut pieces: filling down into the cut pieces of the down jacket after the waterproof treatment to obtain a semi-finished product of the down jacket;
(5) And (3) auxiliary material laminating: and (3) seamlessly attaching the sleeve sheets, the cap sheets, the pockets, the neckline and the cuffs to the semi-finished product of the down jacket to obtain the seamless waterproof down jacket.
2. The method for preparing the seamless fit waterproof down jacket according to claim 1, which is characterized in that: the inner layer material and the outer layer material are woven or knitted cotton, hemp, terylene, chinlon or blended fabrics thereof.
3. The method for preparing the seamless fit waterproof down jacket according to claim 1, which is characterized in that: the waterproof coating is prepared by mixing water-based acrylic resin, nano zinc oxide powder and titanium dioxide.
4. The method for manufacturing the seamless fit waterproof down jacket according to claim 3, wherein the method comprises the following steps: the waterproof coating comprises 50-80% of water-based acrylic resin, 10-30% of nano zinc oxide powder and 5-20% of titanium dioxide.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011108417.1A CN112220119B (en) | 2020-10-16 | 2020-10-16 | Preparation method of seamless-fitting waterproof down jacket |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011108417.1A CN112220119B (en) | 2020-10-16 | 2020-10-16 | Preparation method of seamless-fitting waterproof down jacket |
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| CN112220119A CN112220119A (en) | 2021-01-15 |
| CN112220119B true CN112220119B (en) | 2023-10-20 |
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| CN112220119A (en) | 2021-01-15 |
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