KR200383161Y1 - Structure of artificial leather - Google Patents

Structure of artificial leather Download PDF

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Publication number
KR200383161Y1
KR200383161Y1 KR20-2005-0002556U KR20050002556U KR200383161Y1 KR 200383161 Y1 KR200383161 Y1 KR 200383161Y1 KR 20050002556 U KR20050002556 U KR 20050002556U KR 200383161 Y1 KR200383161 Y1 KR 200383161Y1
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South Korea
Prior art keywords
layer
artificial leather
fabric
hot melt
melt film
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KR20-2005-0002556U
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Korean (ko)
Inventor
강동엽
최홍덕
임영규
박종헌
김대원
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대원화성 주식회사
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Priority to KR20-2005-0002556U priority Critical patent/KR200383161Y1/en
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Publication of KR200383161Y1 publication Critical patent/KR200383161Y1/en

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0006—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using woven fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0011—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using non-woven fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2211/00—Specially adapted uses
    • D06N2211/12—Decorative or sun protection articles
    • D06N2211/28—Artificial leather
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/904—Artificial leather

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)

Abstract

본 고안은 인조피혁의 구조에 관한 것으로, 친환경재료인 수분산성 우레탄을 사용하여 형성한 종래의 인조피혁에서 은층을 제거하고, 핫멜트필름으로 표피층을 접착시킨 인조피혁의 구조에 관한 것이다.The present invention relates to a structure of artificial leather, and relates to a structure of artificial leather in which a silver layer is removed from a conventional artificial leather formed by using a water-dispersible urethane, which is an environmentally friendly material, and a skin layer is bonded by a hot melt film.

본 고안은 직물이 없는 부직포층과; 상기 부직포층과 연설된 부직포에 직물이 합포된 직물층과; 상기 직물층의 상단에 용융되어 형성된 핫멜트필름층과; 상기 핫멜트필름층의 상단에 표피층이 형성된 것을 특징으로 한다.The present invention is a nonwoven fabric layer; A fabric layer in which a fabric is incorporated into the nonwoven fabric spoken with the nonwoven layer; A hot melt film layer formed by melting on an upper end of the fabric layer; A skin layer is formed on the top of the hot melt film layer.

상기한 것과 같이 본 고안에 의한 인조피혁에 의하면 부직포의 한쪽면에 직물을 합포한 기본재를 사용하고 상기 기본재의 상단에 핫멜트필름을 이용하여 표피층을 접착하여 종래의 인조피혁의 은층의 기능을 할 수 있도록 함과 동시에 접착강도가 매우 크고 천연피혁과 같은 양질의 인조피혁이 제조되는 효과가 있다.According to the artificial leather according to the present invention as described above, by using a base material laminated fabric on one side of the nonwoven fabric and using a hot melt film on the top of the base material to adhere the skin layer to function as a silver layer of the conventional artificial leather At the same time, the adhesive strength is very large and there is an effect that high quality artificial leather such as natural leather is manufactured.

Description

인조피혁의 구조{STRUCTURE OF ARTIFICIAL LEATHER}Structure of artificial leather {STRUCTURE OF ARTIFICIAL LEATHER}

본 고안은 인조피혁의 구조에 관한 것으로, 친환경재료인 수분산성 우레탄을 사용하여 형성한 종래의 인조피혁에서 은층을 제거하고, 핫멜트필름으로 표피층을 접착시킨 인조피혁의 구조에 관한 것이다.The present invention relates to a structure of artificial leather, and relates to a structure of artificial leather in which a silver layer is removed from a conventional artificial leather formed by using a water-dispersible urethane, which is an environmentally friendly material, and a skin layer is bonded by a hot melt film.

일반적으로 인조피혁은 천연피혁의 몸체에 해당하는 인조피혁의 몸체를 형성하기 위해서 기본재(직포, 부직포 등)를 디메틸포름아미드(DMF : Dimethylform-amide)를 주 용제로 하여 폴리우레탄(PU : Polyurethan)을 용해시킨 용액에 침전시킨 후 침수시켜 물과 유기용제의 치환을 유도하여 폴리우레탄을 응고시키는 습식방법이나, 폴리우레탄을 메틸에틸케톤(MEK : Methyl Ethyl Ketone), 톨루엔(Toluene)등의 유기용제로 용해시킨 폴리우레탄 용액을 이형지에 코팅 하여 챔버(Chamber)내에서 히팅(Heating)하는 방법으로 폴리우레탄을 경화시고 경화된 폴리우레탄을 기본재(직포, 부직포 등)와 접착제 등으로 접착시키는 건식방법, 또는 습식방법으로 제조된 인조피혁에 이형지에 경화되어 있는 우레탄을 접착제 등으로 접착시키는 습/건식 방법으로 제조하였다.In general, artificial leather is made of polyurethane (PU: Polyurethan) using dimethylformamide (DMF: Dimethylform-amide) as the main material to form the body of artificial leather corresponding to the body of natural leather. ) Is a wet method of solidifying a polyurethane by precipitating it in a solution in which it is immersed and inducing a substitution of water and an organic solvent, or by using an organic solvent such as methyl ethyl ketone (MEK) or toluene. A method of curing polyurethane by coating a solution of polyurethane dissolved in solvent on a release paper and heating it in a chamber, and drying the adhesive to adhere the cured polyurethane with a base material (woven fabric, nonwoven fabric, etc.) and an adhesive. The urethane cured on the release paper to the artificial leather produced by the method or the wet method was produced by a wet / dry method of adhering with an adhesive or the like.

도 1은 종래의 인조피혁의 내부구조를 나타낸 것인데, 하층으로부터 부직포, 직물 또는 편물 등으로 형성된 기본재층(1)과; 상기 기본재층(1)의 상단에 형성된 은층(2)과; 상기 은층(2)의 상단에 형성된 표피층(3)으로 구성되어 있다. Figure 1 shows the internal structure of a conventional artificial leather, the base material layer (1) formed of a nonwoven fabric, woven or knitted fabric from the lower layer; A silver layer (2) formed on top of the base material layer (1); It consists of the skin layer 3 formed in the upper end of the said silver layer 2.

그러나, 상기와 같이 유기용제로 용해한 폴리우레탄을 사용하여 침전시키는 방법은 작업과정에서 많은 유해성분이 발산되고, 유기용제가 녹아있는 폐수등으로 인해서 공해를 일으키는 문제점이 있었다. 또한, 인조피혁의 표면과 내부에 유기용제가 남아있는 경우가 있어 사람의 피부등에 닿았을 때 알르레기나 기타 피부질환을 일으키는 문제점이 있었다. However, the method of precipitating using the polyurethane dissolved in the organic solvent as described above has a problem of causing pollution due to the emission of many harmful components in the working process, the waste water in which the organic solvent is dissolved. In addition, organic solvents may remain on the surface and inside of artificial leather, causing allergies or other skin diseases when they touch human skin.

최근 환경에 대한 관심이 높아지고, 공업화로 인한 환경오염에 관한 문제가 심각하게 대두되고 있는바, 인조피혁을 제조할 때 유기용제를 사용하지 않고 제작하는 방법에 관한 연구가 많이 진행되고 있다. Recently, the concern about the environment is increasing, and the problem of environmental pollution due to industrialization has emerged seriously, and a lot of researches on the method of manufacturing artificial leather without using an organic solvent are in progress.

이러한 요구에 부응하기 위해서 폴리우레탄을 강제로 물에 용해시킨 수분산성 우레탄이 개발되어 인조피혁을 제조할 때 수분산성 우레탄을 사용하려는 시도가 이루어지고 있다. In order to meet these demands, water-dispersible urethane in which polyurethane is dissolved in water has been developed, and an attempt has been made to use water-dispersible urethane when manufacturing artificial leather.

상기 수분산성 우레탄을 이용한 인조피혁의 제조방법은 본원 출원인에 의해서 출원된 바 있는데, 수분산성 우레탄에 함침한 기본재를 마이크로웨이브챔버에서 응고시키고, 상기 응고된 기본재에 핫멜트필름을 사용하여 표피층을 접착시키는 방법으로 제조하는 것이다.The manufacturing method of artificial leather using the water-dispersible urethane has been filed by the applicant of the present application, the base material impregnated with the water-dispersible urethane is solidified in the microwave chamber, and the skin layer is formed by using a hot melt film on the solidified base material. It is made by the method of adhering.

그러나, 상기 제조방법으로 제조된 인조피혁은 핫멜트필름이 용융되면서 종래의 인조피혁에 형성된 은층의 역할과 비슷한 역할을 하였으나, 핫멜트필름층이 매우 얇아서 제대로 그 기능을 하지 못하여 천연피혁과 같은 느낌을 주지 못하였다.However, the artificial leather manufactured by the manufacturing method plays a role similar to that of the silver layer formed in the conventional artificial leather while the hot melt film is melted, but the hot melt film layer is very thin and does not function properly to give a feeling like natural leather. I couldn't.

상기한 문제점을 해결하기 위해서, 부직포의 한쪽면에 직물을 합포한 기본재를 사용하고 상기 기본재의 상단에 핫멜트필름을 이용하여 표피층을 접착하여 종래의 인조피혁의 은층의 기능을 할 수 있도록 한 인조피혁을 제공함에 목적이 있다.In order to solve the above problems, using a base material laminated fabric on one side of the non-woven fabric and using a hot melt film on the top of the base material to bond the skin layer to the artificial leather to function as a silver layer of a conventional artificial leather The purpose is to provide leather.

상기한 목적을 달성하기 위해서, 본 고안은 직물이 없는 부직포층과; 상기 부직포층과 연설된 부직포에 직물이 합포된 직물층과; 상기 직물층의 상단에 용융되어 형성된 핫멜트필름층과; 상기 핫멜트필름층의 상단에 표피층이 형성된 것을 특징으로 한다.In order to achieve the above object, the present invention is a non-woven fabric layer; A fabric layer in which a fabric is incorporated into the nonwoven fabric spoken with the nonwoven layer; A hot melt film layer formed by melting on an upper end of the fabric layer; A skin layer is formed on the top of the hot melt film layer.

이하, 본 고안을 바람직한 실시예와 첨부된 도면을 참조하여 상세하게 설명하면 다음과 같다.Hereinafter, described in detail with reference to the preferred embodiments and the accompanying drawings as follows.

도 2 에서 보는 바와 같이 본 고안은 직물이 없는 부직포층(10)과; 상기 부직포층(10)과 연설된 부직포에 직물이 합포된 직물층(20)과; 상기 직물층(20)의 상단에 용융되어 형성된 핫멜트필름층(40)과; 상기 핫멜트필름층(40)의 상단에 표피층(50)이 형성된 것이다.As shown in Figure 2, the subject innovation includes a nonwoven fabric layer 10; A fabric layer 20 in which a fabric is incorporated into the nonwoven fabric struck with the nonwoven fabric layer 10; A hot melt film layer 40 formed on the top of the fabric layer 20 by melting; The skin layer 50 is formed on the top of the hot melt film layer 40.

상기 부직포층(10)과 직물층(20)은 일체로 형성되는 것인데, 직물층(20)은 부직포층(10)에 연결된 부직포에 중량 30~150g/sqm인 직물을 합포하여 형성한 것이다.The nonwoven fabric layer 10 and the fabric layer 20 is formed integrally, the fabric layer 20 is formed by combining a fabric weight of 30 ~ 150g / sqm to the nonwoven fabric connected to the nonwoven fabric layer (10).

상기 핫멜트필름층(40)은 40∼150㎛의 두께를 가진 핫멜트필름이 용융되어 일부는 직물층(20)의 조직과 결합되고, 일부는 표피층(50)의 조직과 결합되어 매우 얇은 층으로 구성된다. The hot melt film layer 40 is melted hot melt film having a thickness of 40 ~ 150㎛ is combined with the tissue of the fabric layer 20, and part is combined with the tissue of the skin layer 50 is composed of a very thin layer do.

상기 표피층(50)은 종래의 방법과 같이 이형지(Release Paper)에 무늬를 형성시킨 후 그 위에 우레탄을 경화시켜 상기 이형지를 떼어내는 방법으로 형성된다. The skin layer 50 is formed by forming a pattern on a release paper (Release Paper) as in the conventional method and then cured urethane thereon to remove the release paper.

이하, 고안의 바람직한 실시예로 형성된 인조피혁의 제조방법을 설명하면 다음과 같다. Hereinafter, the manufacturing method of the artificial leather formed as a preferred embodiment of the invention as follows.

상기 부직포층(10)에 직물층(20)이 형성된 기본재를 수분산성 우레탄에 함침하는 함침단계와; 상기 함침된 기본재를 마이크로웨이브챔버에서 응고시키는 응고단계와; 상기 응고된 기본재의 상단에 핫멜트필름(Hot Melt Film)을 올려놓고, 그 위에 미리 형성된 표피층을 올려놓는 합피단계와; 상기 핫멜트필름을 용융시키기 위해서 온도가 150℃정도로 가열되도록 하여 접착하는 접착단계로 제조된다. An impregnation step of impregnating the base material having the fabric layer 20 formed on the nonwoven fabric layer 10 in the water dispersible urethane; A solidification step of solidifying the impregnated base material in the microwave chamber; Placing a hot melt film on the top of the solidified base material and putting a pre-formed skin layer thereon; In order to melt the hot melt film is prepared by the adhesive step of bonding by heating to a temperature of about 150 ℃.

상기 함침단계에서 기본재를 함침시킬 때 수분산성 우레탄 외에도 색깔을 낼 수 있도록 잉크 등의 혼합물을 함께 넣어서 함침시킬 수 있다.When the base material is impregnated in the impregnation step, it may be impregnated with a mixture of ink and the like so as to give a color in addition to the water dispersible urethane.

상기와 같이 핫멜트필름이 용융되어 직물층(20)의 조직과 표피층의 조직으로 스며들면서 접착되므로, 부직포층(10)과 일체로 형성된 직물층(20) 내의 밀도가 높아져서 은층과 같은 기능을 수행할 수 있고, 표피층(50)이 더욱더 견고하게 접착되어 있어서 접착강도가 매우 크게 나타나는 등 천연피혁과 같이 양질의 인조피혁이 형성된다.As described above, the hot melt film is melted and penetrated into the tissue of the fabric layer 20 and the tissue of the epidermal layer, so that the density in the fabric layer 20 integrally formed with the nonwoven fabric layer 10 is increased to perform a function such as a silver layer. In addition, the skin layer 50 is more firmly bonded, so that the adhesive strength is very large, such as artificial leather of high quality is formed.

상기한 것과 같이 본 고안에 의한 인조피혁에 의하면 부직포의 한쪽면에 직물을 합포한 기본재를 사용하고 상기 기본재의 상단에 핫멜트필름을 이용하여 표피층을 접착하여 종래의 인조피혁의 은층의 기능을 할 수 있도록 함과 동시에 접착강도가 매우 크고 천연피혁과 같은 양질의 인조피혁이 제조되는 효과가 있다.According to the artificial leather according to the present invention as described above, by using a base material laminated fabric on one side of the nonwoven fabric and using a hot melt film on the top of the base material to adhere the skin layer to function as a silver layer of the conventional artificial leather At the same time, the adhesive strength is very large, and high-quality artificial leather such as natural leather is produced.

도 1은 종래의 인조피혁의 구조도.1 is a structural diagram of a conventional artificial leather.

도 2는 본 고안의 실시예로 형성된 인조피혁의 구조도.Figure 2 is a structural diagram of artificial leather formed by an embodiment of the present invention.

도 3은 본 고안의 실시예로 형성된 인조피혁의 생산방법 블록도.Figure 3 is a block diagram of the production method of artificial leather formed by an embodiment of the present invention.

**<도면의 주요부분에 대한 부호의 설명>**** <Description of the symbols for the main parts of the drawings> **

10 : 부직포층 20 : 직물층10 nonwoven fabric layer 20 fabric layer

30 : 핫멜트필름층 40 : 표피층30: hot melt film layer 40: skin layer

Claims (3)

일반적인 인조피혁의 구조에 있어서, In the structure of general artificial leather, 직물이 없는 부직포층과; 상기 부직포층과 연설된 부직포에 직물이 합포된 직물층과; 상기 직물층의 상단에 용융되어 형성된 핫멜트필름층과; 상기 핫멜트필름층의 상단에 표피층이 형성된 것을 특징으로하는 인조피혁의 구조.A nonwoven fabric layer; A fabric layer in which a fabric is incorporated into the nonwoven fabric spoken with the nonwoven layer; A hot melt film layer formed by melting on an upper end of the fabric layer; The structure of artificial leather, characterized in that the skin layer is formed on the top of the hot melt film layer. 제 1항에 있어서, The method of claim 1, 상기 직물층은 부직포층의 상단형성되고 부직포층과 일체인 부직포에 중량 30~150g/sqm인 직물을 합포한 것을 특징으로 하는 인조피혁의 구조.The fabric layer is a structure of artificial leather, characterized in that the top of the non-woven fabric layer is formed of a non-woven fabric integral with the non-woven fabric layer 30 ~ 150g / sqm weight. 제 1항에 있어서, The method of claim 1, 상기 직물층과 표피층은 각각 용융된 핫멜트필름의 일부가 스며들어 결합된 구조로 형성된 것을 특징으로 하는 인조피혁의 구조.The fabric layer and the skin layer, respectively, the structure of artificial leather, characterized in that formed into a structure in which a part of the molten hot melt film is permeated.
KR20-2005-0002556U 2005-01-27 2005-01-27 Structure of artificial leather KR200383161Y1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101705176B1 (en) 2015-08-31 2017-02-10 (주)타스지혁 A polyurethane artificial leather and a method for manufacturing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101705176B1 (en) 2015-08-31 2017-02-10 (주)타스지혁 A polyurethane artificial leather and a method for manufacturing the same

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