TWI259223B - Leather of ball and method for preparing leather of ball - Google Patents

Abstract

The present invention provides a leather of ball and a method for preparing the leather of ball. The invention comprises the following steps: providing a first substrate formed of a water punched fabric or a water punched fabric immersed with a high aqueous molecule coating and dried; coating a PU resin layer on the surface of the first substrate; providing a second substrate selected from a group consisting of non-woven clothes, elastic clothes, split leather, woven clothes, ultra-fiber, etc.; and laminating the second substrate on the back face of the first substrate to form a leather material having the advantages of excellent hand feeling, softness/hardness and integral feeling, and is applicable to the production of ball leather.

Description

1259223 V. INSTRUCTION DESCRIPTION OF THE INVENTION (1) Technical Field of the Invention The present invention relates to a spherical skin and a method of preparing the same, and more particularly to a spherical skin having a superior hand, softness and unity and a composite A method in which the base fabric is used to make the spherical skin. [Prior Art] At present, artificial leather has been mass-produced and used in balls, gloves, clothing, shoes, purses and the like, and for the application of the ball skin, it is required to have both superior hand and softness. A sense of unity. The artificial leather is generally produced by using a non-woven fabric which is mixed with general fibers, ultrafine fibers or general fibers and ultrafine fibers as a base fabric, and is filled with a polyurethane (pu) resin composition on the surface of the base fabric, followed by grinding. It is processed or embossed or coated with a release paper coated polyurethane resin to form a leather having elastic and leather lines on the surface. In the conventional technique, a method for producing a spherical skin is carried out by, for example, a flow shown in the first drawing, that is, a non-woven fabric or a woven fabric is impregnated with a polyurethane phenolic phenol (hereinafter referred to as PU) resin composition. After solidification, the PU resin composition is directly coated, and then solidified, washed with water, and dried to form a semi-finished product, which is printed on the semi-finished product of the PU resin coated with the wheel with the grain, and then embossed and printed. And obtaining a finished leather product; or a method performed by, for example, the flow shown in the second figure, that is, by impregnating the PU resin composition with a non-woven fabric or a woven fabric, and directly coating the resin composition after solidification, and then After solidification, washing with water, and drying to form a semi-finished product, the release paper is applied by a release coating method in which a one-liquid type PU composition and a two-liquid type PU composition as an adhesive layer coating are applied, and the release paper is peeled off. a ball

1259223 Finished leather products with the above-mentioned good integration, and these should not be woven, except for the application, causing disturbance. Therefore, the softness and the hardness of a sphere [invention] The method of the present invention, to various different extensions of the invention, and an advantageous one of the following steps: providing a leather material produced by the first conventional method Applied in the sense, but can not have superior leather used in the ball skin, such as suitable for the ball that needs to be extended, and if the unit price is higher, for the need to use, it is necessary to prepare a variety of leather materials. The leather material that makes the ball skin can be both body-feeling, and there is no need to prepare a variety of materials, which is worthy of research and development. The purpose of the invention is to provide an effect that the composite is less likely to be used without the need to prepare a plurality of non-stretchable spheres. A further object is to provide a symmetric ball, or at least to provide a major choice. A first base fabric composed of a water-jet cloth for the above purpose and other effects; the ball has a hand and a softness. The bottom fabric of the base fabric is made of woven fruit. The bottom fabric is made of a ball that does not have a low extension. It cannot be used with different spheres. It has a superior hand feel and the same half of the product can be used to prepare the semi-finished leather of the ball skin in response to each base fabric. Providing a specific means for obtaining a superior hand feeling and a soft skin in the ball skin, comprising a combination; coating the surface of the base cloth with a polymer having a predetermined thickness for a solidification step, thereby solidifying the polymer polymer coating layer and Shape im

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V. Description of the invention (3) forming an open microporous structure; a reagent; performing a water washing step, thereby washing away the residue remaining in the polymer to perform a drying step; and using a #^^-based cloth, The second base fabric is attached to the back side of the first base fabric, and 幵y is a composite leather suitable for use in the ball skin. The above-mentioned water-needle cloth as the first base fabric comprises a water-rolled needle or a direct-up method; and the thickness thereof is preferably in the range of 〇1_ to 2 〇_. _ , consistently, the water-needle cloth substrate is the first to be impregnated with a water-soluble polymer before being subjected to a polymer polymer layer, and is dried to form an elastic material of a surface = film; The water-based polymer is a group selected from the group consisting of a urethane resin, an aqueous acrylic resin, a polyamide resin, a polyolefin resin, and a mixture thereof. The polymer coated on the surface of the first base fabric is preferably a polyurethane (PU) resin layer, or other elastic polymers of the same nature may be used as the coating layer; and the thickness of the coating layer is preferably 〇 The range of 〇min is 0. The step of applying the polymer on the surface of the first base fabric is carried out by a coating device which is formed by dissolving the polymer in a specific ratio in a solvent. a solution in which the high molecular polymer is a one-liquid type PU, and the high molecular polymer solvent is dimethylformamide (DMF). The solidification step is carried out by conveying the first base fabric coated with the polymer to a solidification tank containing the compounding liquid therein, and the composition of the compounding liquid is

1259223 V. INSTRUCTIONS (4) Solvent (DMF) and non-solvent (water), the amount of solvent can be from 〇~3〇%, and the non-solvent is the majority, and the base fabric coated with the polymer is passed. In the coagulation bath, the compatibility of water and solvent (DMF) is utilized, so that the solvent in the polymer and the non-solvent of the compounding liquid internally generate a combined action to form an open microporous. structure. The water washing step is carried out by feeding the first base cloth outputted by the coagulation tank to a water washing tank, wherein the washing tank is the agent (10)F) and the non-solvent (water), and the amount of the solvent can be from 〇. The amount of the large solvent may be 〇), and the effect is to wash away the solvent remaining in the polymer. The Tamen Knife ☆u step is carried out by feeding the base fabric of the polymer-coated body from the washing tank to a drying device, whereby the solvent in the body can be completely volatilized. Thousand t e cloth ίίη: The second base fabric on the back of the base fabric is made of a material selected from the group consisting of non-woven fabric, elastic cloth, a suede, woven fabric, and microfiber. - The leather material made of ί, after the actual test - the base fabric is bonded to the non-woven fabric, the elastic cloth, and the second base fabric, which is suitable for the use of the base material: To achieve the need to prepare a variety of different I material Fengkou ball: the effect of the ball with different extensions of volleyball and other spheres. dry. The port can provide various embodiments. The manufacturing method of the present invention will be further reduced by the use of only the embodiment and with reference to the drawings.

1259223 V. DESCRIPTION OF THE INVENTION (5) The third figure shows that the surface of the water-slanted right base fabric is coated with a layer of ruthenium-base cloth 11 which may also be impregnated with water: molecular polymer 12 The first component. A non-woven fabric of the above-mentioned water-based cloth fabric which is formed by returning the knife coating and drying the water-based cloth cloth, which has a high softness and strong A, a needle or a direct paste, and the water-filled cloth is composed of A ^ '轫 and good touch; Lee and the other two can be made into a thin thickness to the extent. The cloth is applied as a paste, and the thickness of the polymer 12 preferably applied to the surface of the first base fabric 11 in G.lmm to 2.0_ is preferably a polyester (PU) resin layer, or other suitable one may be used. The elastic polymer is used as the coating layer, for example, a polyolefin resin, a polyamide resin, a polyacrylic resin, and a mixture thereof; and the thickness of the polymer layer 12 is preferably 0. · 1_~i # 〇mD1 range. The polymer 12 coated on the surface of the first base fabric 11 is formed by a solidification step to form an open microporous structure; the solidification step is to coat the first base fabric coated with the polymer. 11 is transported to a coagulating tank in which the inside is fitted, and when the first base fabric coated with the polymer passes through the coagulation bath, the solvent in the polymer is released from the inside and dissolved in a non-solvent ( In water), the space formed after the solvent is released is filled with a non-solvent (water) to solidify the polymer and form an open microporous structure. After the above solidification step, a water washing step is followed to wash away the solvent remaining in the polymer; thereafter, a drying step is performed to bake

Page 9 1259223 V. INSTRUCTIONS (6) Drying to completely evaporate the solvent in the southern molecular polymer. If you want to make other coatings or colors on the surface of the molecular polymer 12 on the south of the second figure, you can understand that the upper surface of the polymer polymer 1 2 can be further polyurethane resin. The layer 14 has a natural texture similar to that of the dermis, and the polyurethane layer 4 is preferably applied to the polymer layer on the release paper, and the release paper preferably has a texture. , the grain on the release paper is transferred to the surface of the polyurethane resin layer; or, other suitable method is to make the surface of the polymer layer form a layer of the ester resin and the texture. The first type of the first base fabric 13 having the polymer layer 12 of the present invention is combined to form a ball skin material suitable for use as the material of the second base cloth 13 Non-woven fabric, elastic/cloth, crepe, woven fabric, microfiber, etc. The selection of the substrate as the second base fabric 13 is based on the extensibility of the ball, for example, the use of the woven fabric can be applied to the delay of ^ Non-woven fabrics can be applied to low-extension balls (4), 4 also improved = the practicality of the second skin, • It is not necessary to prepare a variety of different leathers and semi-" and: for a variety of different extensions of the sphere. [Emple LI] The following examples further illustrate embodiments of the present invention. Water needle cloth (80% PET, 20% RAY〇N) is used as the first base needle: the coating consisting of 80% aqueous resin composition and 2% water is used first = 1 at 40 C to form elastic Material; then the first base fabric

1259223 V. Description of the invention (Ό 1〇^ sent to the interior containing the compounding liquid to form f;: ί dimethyl carbamide: water = 15:85; then the brother of a polymer The base fabric is fed into a water-washing tank to wash away the solvent remaining in the polymer; after that, the second base coated with the polymer is placed in a drying device and baked at 13 (rc) After drying for 1 minute, a semi-finished product of leather material is formed; and the release paper is peeled off by applying a release paper which has been coated with a liquid pu composition and a two-liquid PU composition as an adhesive layer coating. Forming a finished product capable of providing a second base fabric bonding; and then fitting the finished product to a woven fabric to form a leather material for the ball skin. The hand feeling, softness and unity of the leather material for the ball skin are tested. In the following Table 1. [Comparative Example 1] A woven fabric impregnated with a PU resin composition was directly coated with a polyurethane resin composition, and then solidified, washed with water, and dried to form a semi-finished product; After the one-liquid type PU composition and the release paper of the two-component PU composition as the adhesive layer coating are applied, From the release paper to form a spherical leather skin finished with respect to the conventional ball transdermal feel, softness, and a somatosensory leather are shown in the following Table 1. <. Table 1 >

I feel | softness I integrated feeling I -I-----^ - one -I----1 h

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1259223 V. INSTRUCTIONS (8) Example 1 l· + -----h Comparative example +----1 Note 1 Superior; 丄 = good; 3 = ok; 2 Note 2: Hand and sense of unity measuring. Slightly; 1 = poor in the body feel, such as the effect of the body, such as the softness of the softness of the hand, which is superior to the hand, and the softness of the skin of the present invention. The surface polymer constitutes a woven fabric, and the superfibrous fiber can have both low and low yields, and the physical properties are advanced, the present invention, and the present invention. Therefore, it has implementation. Is the use of the surface coating, and the materials are superior, as long as

The ball skin made by the same method and the conventional ball skin can be fully displayed by comparing the hand feeling, the softness and the line test of the two in Table 1. Among them: the ball skin for the ball Compared with the conventional leather for the skin of the ball, both of them have a superior sense of unity; in the case of the ball skin for the ball, the ball skin for the ball skin of the present invention is used. Without detracting - superior softness and feel, it is quite suitable for the composite method to make the ball skin, wherein the ball skin - water needle to softness, toughness and good touch is in the range of 〇.lmm.0mm The polymer; is obtained from a non-woven fabric, an elastic cloth, and a second suede. Therefore, as a whole, the hand, the integrated feeling and the softness of the spherical skin of the present invention are more expensive than the first layer of the polymer polymer layer. Finished fabric

Page 12 1259223 V. Description of invention (9) and selection of self-woven - second base cloth:: two! sex cloth, 』t weaving, microfiber and other materials are prepared in a variety of ways to provide different ball types Use, $ can be used without results. The use of the leather half to provide a variety of different extensibility spheres is described in the above embodiments of the present invention, and the design spirit according to the present invention can be implemented by various changes or modifications, so that it is familiar to the Apparent substitutions and modifications may be made by those skilled in the art and will still be incorporated in the scope of the claimed invention.

$13页1259223 Simple illustration of the drawing [Simple description of the drawing] The first figure shows the flow chart of the first conventional method for manufacturing the leather for the ball skin, and the second figure shows the second method for manufacturing the leather material for the ball skin. A flow chart of a conventional method, a third view showing a first base fabric coated with a polymer layer according to an embodiment of the present invention; and a fourth view showing a first base fabric of the third figure combined with a second base fabric A cross-sectional view of a leather for ball skin formed together.

[Description of main components] 1. Leather for ball skin 11. First base fabric 12. Polymer polymer 13, second base fabric 14. Dry polyurethane resin layer

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Claims (1)

1259223 provides a base fabric for seeding the first substrate; and a first surface for forming a non-woven fabric 3 in a shape 2, wherein the grease layer is applied. 5 in the first solidification step microporous junction 6 method, garden. In the first step, based on the first base, based on the composition, based on the first, based on a base fabric. According to the method for preparing the spherical skin in a high degree, the method comprises the steps of: coating a surface of a cloth having a thickness of K·1111111 to 2 〇11^ with a predetermined thickness of a polymer-based fabric, and The second base fabric is attached to the back skin of the first base fabric. The method for preparing a spherical skin according to Item 1 of the patent application, wherein the water needle cloth of the cloth comprises the side of the preparation of the ball skin of the first or second item of the t-two patent dry circumference by the water rolling needle or the direct paste method. The water needle cloth is impregnated with a water-based polymer paint. ::f Lifan f The first method for preparing a spherical skin, the polymer of the surface of the surface is a polyurethane (PU) tree: a method for preparing a spherical skin according to item i of the patent scope, and an ancient coating layer After the molecular polymer, a 7-knife polymer coating layer is solidified to form an open multiplex. Please select the thickness of the sphere 1 / 4 or 5 and the thickness of the 1 1 body layer is 0.1 mm. In the range of 1.0 mm, according to the scope of the patent application, the method of preparing the spherical skin on the upper surface of the polymer polymer, the step of forming a dry polyurethane resin 1259223 Sixth, the scope of application for patents. 8. According to Shen Zhongdi, a base cloth and other materials. 9. A ball with a water-needle cloth base cloth; a first water-bonded cloth 1 1 according to a base cloth adhered to the first substrate, according to the polymer is a polyamine, 2, according to the polymer The coating layer shape 13 is based on the skin, wherein the polymer 14 is formed from a non-woven fabric, an elastic cloth, and a second layer according to a method for preparing a spherical skin which is formed at a height of 15 and selected from the non-woven fabric according to the first item of the patent scope. Leather, woven fabric, leather, including: constituting and thickness in the range of 0. 1mm to 2. Omm, its super-fiber-based fabric-based fabric, please include special application (PU) The polymer application for the special molecule poly-application, the elastic surface of the back surface of the water-based high-profit range of the resin layer, the range of the multi-profit layer, the thick layer of the range of the coating range, the second polymer layer; the second base fabric. The ball skin of item 9, wherein the molecular coating is constructed.苐 9 items of the ball skin, of which the ball of the 9th item of the South ,, which has a high micropore structure. The ball of the 9th, 11th or 12th degree is in the sphere of 0. 1mm to 1 · 〇mm, the spheroid of the urethane resin of the surface of the cloth layer, the scalp, the weave, Microfiber and other materials first and become molecular molecular spheres. One step at a time. Two basics. Page 16