CN114603933A - Laminating device and laminating method for preparing breathable waterproof fabric - Google Patents
Laminating device and laminating method for preparing breathable waterproof fabric Download PDFInfo
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- CN114603933A CN114603933A CN202110052946.2A CN202110052946A CN114603933A CN 114603933 A CN114603933 A CN 114603933A CN 202110052946 A CN202110052946 A CN 202110052946A CN 114603933 A CN114603933 A CN 114603933A
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- Prior art keywords
- wheel
- glue
- breathable
- fabric
- waterproof
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- 239000004744 fabric Substances 0.000 title claims abstract description 162
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000010030 laminating Methods 0.000 title claims abstract description 25
- 239000003292 glue Substances 0.000 claims abstract description 91
- 238000003825 pressing Methods 0.000 claims abstract description 64
- 239000011248 coating agent Substances 0.000 claims abstract description 14
- 238000000576 coating method Methods 0.000 claims abstract description 14
- 238000003892 spreading Methods 0.000 claims abstract description 4
- 230000007480 spreading Effects 0.000 claims abstract description 4
- 239000000853 adhesive Substances 0.000 claims description 76
- 230000001070 adhesive effect Effects 0.000 claims description 76
- 239000004745 nonwoven fabric Substances 0.000 claims description 36
- 239000000835 fiber Substances 0.000 claims description 20
- 239000012790 adhesive layer Substances 0.000 claims description 19
- 238000009826 distribution Methods 0.000 claims description 14
- 239000011148 porous material Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 230000035699 permeability Effects 0.000 description 8
- 238000012546 transfer Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 239000004753 textile Substances 0.000 description 5
- 230000002940 repellent Effects 0.000 description 4
- 239000005871 repellent Substances 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0813—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for supplying liquid or other fluent material to the roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Laminated Bodies (AREA)
- Manufacturing Of Multi-Layer Textile Fabrics (AREA)
- Treatment Of Fiber Materials (AREA)
- Outer Garments And Coats (AREA)
Abstract
The laminating device for preparing the breathable waterproof fabric comprises a glue spreading wheel, a glue dispensing wheel, a cloth feeding wheel, a first pressing wheel and a second pressing wheel. The glue applicator wheel has a doctor blade disposed thereon. The glue dispensing wheel is adjacent to the glue coating wheel and has a second rotating direction. The cloth feeding wheel is adjacent to the glue dispensing wheel and has a first rotating direction. The first pressing wheel is adjacent to the cloth feeding wheel and has a first rotating direction. The second pressing wheel is adjacent to the first pressing wheel and has a second rotating direction, wherein the distance between the first pressing wheel and the second pressing wheel is 50-70% of the thickness of the breathable waterproof fabric. The laminating device and the laminating method disclosed by the invention can be used for preparing the breathable waterproof fabric with good breathability, waterproofness and peel strength.
Description
Technical Field
The present disclosure relates to a bonding apparatus and a bonding method, and more particularly, to a bonding apparatus and a bonding method for preparing a breathable waterproof fabric.
Background
As the textile industry has been developed, textile products with waterproof and breathable functions have been developed. Generally speaking, the fabrics with air-permeable and waterproof functions in the market are glued in a point-to-point manner to bond the fabrics, so as to ensure that the original air permeability of the fabrics is not lost due to the excessive gluing amount or gluing area. However, the point-to-point gluing method easily results in low peel strength of the textile and can not meet the market demand. Therefore, how to provide a bonding apparatus and a bonding method for preparing breathable waterproof textile, so as to make the textile have high peel strength and breathability, is an important issue at present.
Disclosure of Invention
The present disclosure provides a bonding apparatus and a bonding method, which can be used to prepare a breathable waterproof fabric having good breathability, waterproofness, and peel strength.
According to some embodiments of the present disclosure, a laminating apparatus for preparing a breathable waterproof fabric includes a glue application wheel, a glue dispensing wheel, a cloth feeding wheel, a first pressing wheel and a second pressing wheel. The glue coating wheel is provided with a scraper arranged on the glue coating wheel. The glue dispensing wheel is adjacent to the glue coating wheel and has a second rotating direction. The cloth feeding wheel is adjacent to the glue dispensing wheel and has a first rotating direction. The first pressing wheel is adjacent to the cloth feeding wheel and has a first rotating direction. The second pressing wheel is adjacent to the first pressing wheel and has a second rotating direction, wherein the distance between the first pressing wheel and the second pressing wheel is 50-70% of the thickness of the breathable waterproof fabric.
In some embodiments of the present disclosure, the distance between the glue-coated wheel and the glue-coated wheel is between 50mm and 100 mm.
In some embodiments of the present disclosure, the rotation speed of the dispensing wheel is 5% to 300% of the rotation speed of the cloth feeding wheel.
In accordance with other embodiments of the present disclosure, a method for preparing a breathable, waterproof fabric includes the following steps. A conformable device for preparing breathable waterproof fabrics is provided. Providing an adhesive glue to the glue application wheel, so that the scraper bears the adhesive glue, wherein the viscosity of the adhesive glue at the temperature of 90 ℃ is between 8000cP and 9000 cP. The adhesive is transferred from the glue spreading wheel to the glue dispensing wheel through the rotation of the glue dispensing wheel. Guiding the base cloth to the space between the dispensing wheel and the cloth feeding wheel. The adhesive glue is transferred from the dispensing wheel to the surface of the base cloth through the rotation of the dispensing wheel and the cloth feeding wheel, so as to form an adhesive layer comprising a plurality of adhesive points. Guiding the base cloth with the adhesive layer and the breathable waterproof non-woven cloth to a position between the first pressing wheel and the second pressing wheel. And pressing the breathable waterproof non-woven fabric onto the surface of the base fabric through the rotation of the first pressing wheel and the second pressing wheel.
In some embodiments of the present disclosure, the respective wheel temperatures of the glue dispensing wheel and the glue dispensing wheel are between 90 ℃ and 130 ℃.
In some embodiments of the present disclosure, the method for preparing a breathable waterproof fabric further comprises the following steps. The relative rotation speed of the dispensing wheel and the cloth feeding wheel is adjusted to control the distribution density of the adhesive dots on the surface of the base cloth.
In some embodiments of the present disclosure, the method for preparing a breathable waterproof fabric further comprises the following steps. The patterns of the dispensing wheel are adjusted to control the distribution density of the adhesive on the dispensing wheel.
In some embodiments of the present disclosure, the step of pressing the air-permeable waterproof nonwoven fabric onto the surface of the base fabric includes the following steps. The air-permeable waterproof non-woven fabric and the base fabric are bonded through a plurality of adhesive points.
In some embodiments of the present disclosure, the breathable waterproof nonwoven fabric has an average pore size of between 1.5 μm and 2.0 μm.
In some embodiments of the present disclosure, the breathable waterproof nonwoven fabric includes meltblown fibers, and the meltblown fibers have an average fiber diameter between 600nm and 1700 nm.
According to the above-mentioned embodiments of the present disclosure, through the rotation and mutual matching of the rollers in the bonding device, the fabrics (e.g., the base fabric and the air-permeable waterproof non-woven fabric) can advance in the bonding device and be bonded to each other. In addition, the adhesive glue with proper viscosity is selected, so that the adhesive glue can be favorably transferred between the rollers, and the convenience of the attaching process is improved. The breathable waterproof fabric manufactured by the laminating device and the laminating method disclosed by the invention has good air permeability, good waterproofness and good peel strength.
Drawings
The foregoing and other objects, features, advantages and embodiments of the disclosure will be apparent from the following more particular description of the embodiments, as illustrated in the accompanying drawings in which:
FIG. 1 depicts a schematic side view of a conformable device for preparing a breathable, waterproof fabric, according to some embodiments of the present disclosure;
FIG. 2 depicts a flow diagram of a conforming method for preparing a breathable, waterproof fabric according to some embodiments of the present disclosure;
FIG. 3 is a schematic view of an arrangement of adhesive dots on a substrate according to some embodiments of the present disclosure;
FIG. 4 illustrates a perspective view of meltblown fibers in a breathable waterproof nonwoven fabric according to some embodiments of the present disclosure; and
FIG. 5 illustrates a schematic side view of a breathable, waterproof fabric, according to some embodiments of the present disclosure.
[ notation ] to show
10: breathable waterproof fabric
12 base cloth
14 adhesive layer
15 point of adhesion
16: breathable waterproof non-woven fabric
100 laminating device
110 adhesive coating wheel
120 dispensing wheel
130, a cloth feeding wheel
140 first pressing wheel
150 the second pressing wheel
S10-S70
AD adhesive
F melt blown fiber
B, fiber body
W is water repellent
D is the diameter
I at the inlet
O is the outlet
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a thorough understanding of the present disclosure. It should be understood, however, that these implementation details are not to be interpreted as limiting the disclosure. That is, in some embodiments of the disclosure, these implementation details are not necessary, and thus should not be used to limit the disclosure. In addition, for the sake of simplicity, some conventional structures and elements are shown in the drawings in a simple schematic manner. In addition, the dimensions of the various elements in the drawings are not necessarily to scale, for the convenience of the reader.
The present disclosure provides a bonding apparatus and a bonding method for preparing a breathable waterproof fabric. Through the rotation and mutual matching of the rollers in the laminating device, the fabrics (such as the base fabric and the breathable waterproof non-woven fabric) can move forward in the laminating device and are mutually laminated. In addition, the adhesive glue with proper viscosity is selected, so that the adhesive glue can be favorably transferred between the rollers, and the convenience of the attaching process is improved. The breathable waterproof fabric manufactured by the laminating device and the laminating method disclosed by the invention has good air permeability, good waterproofness and good peel strength.
FIG. 1 shows a schematic side view of a conformable apparatus 100 for preparing a breathable, waterproof fabric 10, according to some embodiments of the present disclosure. The laminating apparatus 100 includes a glue coating wheel 110, a glue dispensing wheel 120, a cloth feeding wheel 130, a first pressing wheel 140 and a second pressing wheel 150, wherein the glue coating wheel 110, the glue dispensing wheel 120, the cloth feeding wheel 130, the first pressing wheel 140 and the second pressing wheel 150 are sequentially and adjacently disposed from a near inlet I to a near outlet O of the laminating apparatus 100. More specifically, the dispensing wheel 120 is adjacent to the dispensing wheel 110, the feeding wheel 130 is adjacent to the dispensing wheel 120, the first pressing wheel 140 is adjacent to the feeding wheel 130, and the second pressing wheel 150 is adjacent to the first pressing wheel 140. In addition to the glue applicator wheel 110, the above rollers each have a rotational direction, wherein the cloth feeding wheel 130 and the first pressing wheel 140 have a first rotational direction, and the glue dispensing wheel 120 and the second pressing wheel 150 have a second rotational direction. In some embodiments, the first rotational direction may be relative to the second rotational direction, for example the first rotational direction may be clockwise and the second rotational direction may be counter-clockwise. In some embodiments, the rollers can be driven by different and independent motors. On the other hand, the glue applying wheel 110 has a scraper (not shown) disposed thereon, and the wheel gap between the first pressing wheel 140 and the second pressing wheel 150 is 50% to 70% of the thickness H of the formed breathable waterproof fabric 10.
For clarity and ease of illustration, the attachment apparatus 100 and the attachment method for preparing the breathable, waterproof fabric 10 will be described herein together. In detail, referring to fig. 2, a flow chart of a fitting method for preparing the breathable waterproof fabric 10 according to some embodiments of the present disclosure is shown. The attaching method for preparing the breathable waterproof fabric 10 includes steps S10 to S70. In step S10, a bonding apparatus for preparing a breathable waterproof fabric is provided. In step S20, an adhesive is provided to the glue wheel. In step S30, the adhesive is transferred from the glue applicator wheel to the glue dispensing wheel. In step S40, the base fabric is guided between the dispensing wheel and the fabric feeding wheel. In step S50, the adhesive is transferred from the dispensing wheel to the surface of the base fabric to form an adhesive layer. In step S60, the base fabric with the adhesive layer and the air-permeable waterproof nonwoven fabric are guided between the first pressing wheel and the second pressing wheel. In step S70, the air-permeable waterproof nonwoven fabric is pressed to the surface of the base fabric. In the following description, the above steps will be further described using fig. 1 and 2.
First, step S10 is performed to provide a bonding apparatus 100 for preparing the breathable waterproof fabric 10, wherein the bonding apparatus 100 includes a glue coating wheel 110, a glue dispensing wheel 120, a cloth feeding wheel 130, a first pressing wheel 140, and a second pressing wheel 150, which are adjacently disposed in sequence.
Next, step S20 is performed to provide the adhesive AD to the glue coating wheel 110. Specifically, the glue applicator wheel 110 can carry the adhesive AD through a blade disposed on the wheel surface thereof. In some embodiments, the bearing capacity of the adhesive AD on the applicator wheel 110 can be controlled by changing the shape, width, and thickness of the blade. In some embodiments, the adhesive AD can be introduced from the gap between the glue dispensing wheel 120 and the glue dispensing wheel 110. Therefore, the glue feeding amount of the adhesive AD can be controlled by adjusting the distance between the glue coating wheel 110 and the glue dispensing wheel 120. It should be understood that the "distance between the glue application wheel 110 and the dispensing wheel 120" is the "distance between the blade of the glue application wheel 110 and the dispensing wheel 120". In some embodiments, the distance between the glue dispensing wheel 120 and the glue dispensing wheel 110 may be between 50mm and 100mm, so that the adhesive AD has a proper glue inlet amount. In detail, if the distance between the glue dispensing wheel 120 and the glue dispensing wheel 110 is less than 50mm, the adhesive AD may be insufficient to peel off the breathable waterproof fabric 10; if the distance between the glue dispensing wheel 120 and the glue dispensing wheel 110 is greater than 100mm, the adhesive AD may bleed due to an excessive glue amount. In some embodiments, the wheel temperature of the glue wheel 110 and the glue dispensing wheel 120 may be between 90 ℃ and 130 ℃, so that the adhesive AD carried thereon has proper fluidity.
The viscosity of the adhesive AD used in the present disclosure is between 8000cP and 9000cP at a temperature of 90 ℃, so as to have a suitable fluidity to facilitate the transfer between the rollers (e.g., the applicator roller 110 and the dispensing roller 120). In detail, if the viscosity of the adhesive AD at the temperature of 90 ℃ is greater than 9000cP, the adhesive AD may excessively adhere to the surface of the roller due to insufficient fluidity, and thus cannot be transferred by the driving of the roller; if the viscosity of the adhesive AD at the temperature of 90 ℃ is less than 8000cP, the adhesive AD may not easily adhere to the surface of the roller due to its too high fluidity, and thus cannot be transferred by the driving of the roller. In some embodiments, the adhesive paste AD may be, for example, a moisture reactive hot melt adhesive to have strong adhesive force and high curing speed.
Subsequently, step S30 is performed to transfer the adhesive AD from the glue application wheel 110 to the glue dispensing wheel 120. As described above, the glue wheel 110 is fixed against rotation, and the dispensing wheel 120 has a second direction of rotation. By rotating the glue wheel 110 and the dispensing wheel 120 relatively, the glue wheel 110 can transfer the adhesive AD to the dispensing wheel 120. In some embodiments, the glue applicator wheel 110 can transfer the adhesive AD to the glue applicator wheel 120 through its blade. In some embodiments, the dispensing wheel 120 may have a three-dimensional pattern (or pattern) disposed on the wheel surface thereof, so that the adhesive AD is attached to the three-dimensional pattern during the transfer process to the dispensing wheel 120. In this way, the distribution density of the adhesive AD on the dispensing wheel 120 can be controlled by the distribution density of the three-dimensional pattern, and the adhesion amount of the adhesive AD on the dispensing wheel 120 can be controlled by the concave-convex depth of the three-dimensional pattern. In some embodiments, the wheel temperature of the dispensing wheel 120 may be between 90 ℃ and 130 ℃ to provide proper fluidity for the adhesive AD carried on the dispensing wheel 120. On the other hand, the distance between the glue applying wheel 110 and the dispensing wheel 120 can affect the thickness of the adhesive AD attached to the dispensing wheel 120. Specifically, the distance between the glue wheel 110 and the dispensing wheel 120 may be equal to the thickness of the adhesive AD attached to the dispensing wheel 120.
Next, step S40 is performed to guide the base cloth 12 to a position between the dispensing wheel 120 and the cloth feeding wheel 130 so that the base cloth 12 passes through the gap between the dispensing wheel 120 and the cloth feeding wheel 130. In some embodiments, the base fabric 12 may be, for example, a woven fabric, and when the breathable waterproof fabric 10 is applied to the field of wearing apparel, the base fabric 12 may be configured to serve as an outer fabric of the apparel.
Subsequently, step S50 is performed to transfer the adhesive paste AD from the dispensing wheel 120 to the surface of the base fabric 12 to form the adhesive layer 14. As mentioned above, the dispensing wheel 120 has the second rotation direction, and the cloth feeding wheel 130 has the first rotation direction. By making the dispensing wheel 120 and the cloth feeding wheel 130 have different rotation directions, the dispensing wheel 120 can transfer the adhesive AD to the surface of the base cloth 12 moving between the dispensing wheel 120 and the cloth feeding wheel 130. In other words, the cloth feeding wheel 130 and the dispensing wheel 120 can jointly transfer the adhesive paste AD to the surface of the base cloth 12. The adhesive layer 14 includes a plurality of adhesive dots 15, and the distribution density of the adhesive dots 15 on the base fabric 12 can be controlled by adjusting the relative rotation speed of the dispensing wheel 120 and the fabric feeding wheel 130. In some embodiments, the rotation speed of the dispensing wheel 120 is 5% to 300% of the rotation speed of the cloth feeding wheel 130, so that the adhesive dots 15 are disposed on the surface of the base cloth 12 at a proper distribution density. In detail, if the rotation speed of the dispensing wheel 120 is greater than 300% of the rotation speed of the cloth feeding wheel 130, the distribution density of the adhesive dots 15 on the base cloth 12 may be too high, thereby affecting the air permeability of the breathable waterproof fabric 10 or causing glue leakage; if the rotation speed of the dispensing wheel 120 is less than 5% of the rotation speed of the cloth feeding wheel 130, the distribution density of the adhesive dots 15 on the base cloth 12 may be too low, so that the breathable waterproof fabric 10 has low peel strength. In some embodiments, the rotation speed ratio of the feeding wheel 130 and the subsequent first pressing wheel 140 can be controlled to maintain the uniformity of the adhesive layer 14. For example, the rotation speed ratio of the cloth feeding wheel 130 to the first stitching wheel 140 may be, for example, 1: 1, to control the tension of the base cloth 12, so that the adhesive layer 14 is uniformly and smoothly formed on the surface of the base cloth 12.
Referring first to fig. 3, a schematic diagram of an arrangement of the adhesive dots 15 on the base fabric 12 according to some embodiments of the present disclosure is shown. In some embodiments, the adhesive dots 15 may be disposed at intervals on the surface of the base fabric 12, so that the breathable waterproof fabric 10 has good breathability. In a preferred embodiment, the adhesive points 15 are equidistantly disposed on the surface of the base fabric 12, so that the breathable waterproof fabric 10 has good fabric flatness and uniform air permeability. In some embodiments, the top-down shape (i.e., the shape that appears from the perspective of fig. 3) of the adhesive dots 15 can be rectangular, diamond-shaped, circular, oval, triangular, trapezoidal, or any suitable shape, and it can be, for example, a shape that corresponds to the solid pattern that the dispensing wheel 120 has.
In some embodiments, the distribution density of the adhesive dots 15 may be between 8/mm2To 10 pieces/mm2And, if circular shaped dots 15 are taken as an example, the diameter D of each dot 15 may be between 90 μm and 110 μm. In detail, if the distribution density of the adhesive dots 15 is more than 10 dots/mm2And/or the diameter D of each of the adhesive dots 15 is greater than 110 μm, which may result in insufficient breathability of the breathable waterproof fabric 10; if the distribution density of the adhesive dots 15 is less than 5 dots/mm2And/or the diameter D of each adhesion point 15 is less than 90 μm, which may lead to adhesionThe adhesion of the layer 14 as a whole is insufficient, affecting the firmness of the breathable waterproof fabric 10.
Then, step S60 is performed to guide the base fabric 12 with the adhesive layer 14 and the air-permeable waterproof non-woven fabric 16 between the first pressing wheel 140 and the second pressing wheel 150, and to position the adhesive layer 14 between the base fabric 12 and the air-permeable waterproof non-woven fabric 16. Referring initially to fig. 4, a perspective view of meltblown fibers F in a breathable waterproof nonwoven fabric 16 according to some embodiments of the present disclosure is shown. In some embodiments, the breathable waterproof nonwoven fabric 16 may be prepared by a melt-blown process. In general, the air-permeable waterproof nonwoven fabric 16 is composed of a plurality of melt-blown fibers F, wherein each melt-blown fiber F has a fiber body B and a water repellent agent W, and the water repellent agent W is disposed on the surface of the fiber body B. Since the water repellent agent W is disposed on the surface of the fiber body B in an appropriate size, the water repellency thereof can be exhibited well and the air-permeable and waterproof nonwoven fabric 16 can provide good wearing comfort. In addition, since the meltblown fibers F have a low fiber fineness, the air-permeable, waterproof nonwoven fabric 16 can have a high fiber distribution uniformity. In some embodiments, the meltblown fibers F may have an average fiber diameter between 600nm and 1700 nm. In addition, since the air-permeable waterproof nonwoven fabric 16 has a small pore size, it can have high water pressure resistance, so that the air-permeable waterproof fabric 10 has good waterproofness. In some embodiments, the breathable waterproof nonwoven fabric 16 may have an average pore size of between 1.5 μm and 2.0 μm.
Subsequently, step S70 is performed to press-bond the air-permeable and waterproof nonwoven fabric 16 to the surface of the base fabric 12. As mentioned above, the first stitching wheel 140 has a first rotational direction and the second stitching wheel 150 has a second rotational direction. By making the first pressing wheel 140 and the second pressing wheel 150 rotate in different directions, the air-permeable waterproof nonwoven fabric 16 can be pressed onto the surface of the base fabric 12 through the adhesive layer 14. In some embodiments, the air-permeable waterproof nonwoven fabric 16 may be attached to the surface of the base fabric 12 through the plurality of adhesive dots 15 of the adhesive layer 14. The distance between the first pressing wheel 140 and the second pressing wheel 150 is 50% to 70% of the thickness of the air-permeable waterproof fabric 10, so that the air-permeable waterproof nonwoven fabric 16 and the base fabric 12 have good pressing strength. In detail, if the distance between the first pressing wheel 140 and the second pressing wheel 150 is less than 50% of the thickness of the breathable waterproof fabric 10, glue leakage may occur, thereby affecting the configuration state of the adhesive dots 15; if the distance between the first pressing wheel 140 and the second pressing wheel 150 is greater than 70% of the thickness of the air-permeable waterproof fabric 10, the air-permeable waterproof nonwoven fabric 16 and the base fabric 12 cannot be firmly pressed against each other, which may affect the stability of the air-permeable waterproof fabric 10. In some embodiments, the rotation speed ratio of the first stitching wheel 140 to the second stitching wheel 150 may be, for example, 1: 1 to control the respective tensions of the air-permeable waterproof nonwoven fabric 16 and the base fabric 12, so that the air-permeable waterproof fabric 10 has good flatness. In some embodiments, the respective wheel temperatures of the first pressing wheel 140 and the second pressing wheel 150 may range from room temperature to 170 ℃, so that the attaching device 10 and the attaching method of the present disclosure are suitable for attaching fabrics of various materials.
After the above steps S10 to S70 are completed, the breathable waterproof fabric 10 is formed. In detail, referring to fig. 5, a schematic side view of a breathable waterproof fabric 10 according to some embodiments of the present disclosure is shown. The breathable, waterproof fabric 10 may include a base fabric 12, an adhesive layer 14, and a breathable, waterproof nonwoven fabric 16. The adhesive layer 14 has a plurality of adhesive dots 15, and the base fabric 12 is fixed to the surface of the air-permeable and waterproof nonwoven fabric 16 through the plurality of adhesive dots 15. By using the attaching device 100 and the attaching method of the present disclosure to prepare the breathable waterproof fabric 10, the adhesive layer 14 can be precisely formed on the base fabric 12, and the thickness and uniformity of the adhesive layer 14 can be controlled by precisely controlling the amount of the adhesive AD, so that the breathable waterproof fabric 10 has good breathability, waterproofness and peel strength.
In the following description, various tests were performed to verify the efficacy of the present disclosure by listing the breathable waterproof fabric of the present disclosure in various examples and the fabric of comparative examples. The description of the breathable waterproof fabric of each example and the fabric of the comparative example are shown in table one, wherein the fabric of comparative example 1 is prepared by using a conventional point bonding method, and the breathable waterproof fabric of each example is prepared by using the bonding device and the bonding method herein. In addition, in the laminating device, the distance between the glue coating wheel and the glue dispensing wheel is 70mm, and the distance between the first pressing wheel and the second pressing wheel is 0.14 mm.
Watch 1
In this experimental example, the peel strength and air permeability were measured for the breathable waterproof fabric of each example and the fabric of the comparative example. It is understood that peel strength is measured using test method ISO 2411 and air permeability is measured using test method ASTM D737. The measurement results are shown in Table two.
Watch two
As can be seen from the measurement results, compared with the fabric of the comparative example, the bonding apparatus and the bonding method according to the present disclosure can provide a greater peel strength to the prepared breathable waterproof fabric (the breathable waterproof fabric of each example), which shows that the bonding apparatus and the bonding method according to the present disclosure can provide a better bonding performance. In addition, the breathable waterproof fabric of each embodiment may have good breathability. On the other hand, as can be seen from embodiments 3 and 4, the bonding apparatus and the bonding method of the present disclosure can also be applied to a bonding process of an electrospun nonwoven fabric, thereby having multiple applications.
According to the above embodiments of the present disclosure, the base fabric and the air-permeable waterproof nonwoven fabric can advance in the bonding device and bond with each other through the rotation and mutual matching of the rollers in the bonding device (e.g., the roller spacing, the relative rotation speed, etc.). In addition, the adhesive glue with proper viscosity is selected, so that the adhesive glue can be favorably transferred between the rollers, and the convenience of the attaching process is improved. The breathable waterproof fabric manufactured by the laminating device and the laminating method disclosed by the invention has good air permeability, good waterproofness and good peel strength.
Although the present disclosure has been described with reference to the above embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the disclosure, and therefore the scope of the disclosure is to be determined by the appended claims.
Claims (10)
1. A laminating device for preparing ventilative waterproof fabric which characterized in that includes:
a glue spreading wheel having a scraper arranged thereon;
the glue dispensing wheel is adjacent to the glue coating wheel and has a second rotating direction;
the cloth feeding wheel is adjacent to the dispensing wheel and is provided with a first rotating direction;
the first pressing wheel is adjacent to the cloth feeding wheel and has the first rotating direction; and
and the second pressing wheel is adjacent to the first pressing wheel and has the second rotating direction, wherein the distance between the first pressing wheel and the second pressing wheel is 50-70% of the thickness of the breathable waterproof fabric.
2. The laminating device for preparing breathable waterproof fabric according to claim 1, wherein the distance between the glue coating wheel and the glue dispensing wheel is 50mm to 100 mm.
3. The laminating device for preparing breathable waterproof fabric according to claim 1, wherein the rotation speed of the dispensing wheel is 5-300% of the rotation speed of the cloth feeding wheel.
4. A laminating method for preparing breathable waterproof fabric is characterized by comprising the following steps:
providing a conformable device for preparing a breathable, waterproof fabric according to any one of claims 1 to 3;
providing an adhesive glue to the glue application wheel such that the doctor blade bears the adhesive glue, wherein the viscosity of the adhesive glue at a temperature of 90 ℃ is between 8000cP and 9000 cP;
transferring the adhesive glue from the glue spreading wheel to the glue dispensing wheel through the rotation of the glue dispensing wheel;
guiding the base cloth to a position between the dispensing wheel and the cloth feeding wheel;
transferring the adhesive glue to the surface of the base cloth from the dispensing wheel through the rotation of the dispensing wheel and the cloth feeding wheel so as to form an adhesive layer comprising a plurality of adhesive points;
guiding the base cloth with the adhesive layer and the breathable waterproof non-woven fabric to a position between the first pressing wheel and the second pressing wheel; and
and pressing the breathable waterproof non-woven fabric onto the surface of the base fabric through the rotation of the first pressing wheel and the second pressing wheel.
5. The laminating method for preparing breathable and waterproof fabric according to claim 4, wherein the respective wheel temperatures of the glue coating wheel and the glue dispensing wheel are between 90 ℃ and 130 ℃.
6. The conforming method for preparing breathable, waterproof fabrics according to claim 4 further comprising:
and adjusting the relative rotating speed of the dispensing wheel and the cloth feeding wheel to control the distribution density of the adhesive points on the surface of the base cloth.
7. The conforming method for preparing breathable, waterproof fabrics according to claim 4 further comprising:
and adjusting the patterns of the dispensing wheel to control the distribution density of the adhesive on the dispensing wheel.
8. The conforming method for producing a breathable, waterproof fabric according to claim 4 wherein the pressing of the breathable, waterproof nonwoven fabric to the surface of the base fabric comprises:
and adhering the breathable waterproof non-woven fabric and the base fabric through the plurality of adhesive points.
9. The conforming method for the preparation of breathable, waterproof fabrics according to claim 4 wherein the breathable, waterproof nonwoven fabric has an average pore size comprised between 1.5 μm and 2.0 μm.
10. The conformable method for making a breathable, waterproof fabric of claim 4, wherein said breathable, waterproof nonwoven fabric comprises meltblown fibers, and said meltblown fibers have an average fiber diameter between 600nm and 1700 nm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW109143509A TWI760962B (en) | 2020-12-09 | 2020-12-09 | Bonding device and bonding method for fabricating breathable and waterproof cloth |
| TW109143509 | 2020-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114603933A true CN114603933A (en) | 2022-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110052946.2A Pending CN114603933A (en) | 2020-12-09 | 2021-01-15 | Laminating device and laminating method for preparing breathable waterproof fabric |
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| CN (1) | CN114603933A (en) |
| TW (1) | TWI760962B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115318543A (en) * | 2022-09-05 | 2022-11-11 | 浙江长兴维美丝特衬布有限公司 | Production equipment and process of heat-preservation moisture-absorption moisture-proof non-woven adhesive lining cloth |
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| CN115318543A (en) * | 2022-09-05 | 2022-11-11 | 浙江长兴维美丝特衬布有限公司 | Production equipment and process of heat-preservation moisture-absorption moisture-proof non-woven adhesive lining cloth |
| CN115318543B (en) * | 2022-09-05 | 2023-03-24 | 浙江长兴维美丝特衬布有限公司 | Production equipment and process of heat-preservation moisture-absorption moisture-proof non-woven adhesive lining cloth |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI760962B (en) | 2022-04-11 |
| TW202222592A (en) | 2022-06-16 |
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