KR20040042114A - PVC Leather sheet - Google Patents
PVC Leather sheet Download PDFInfo
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- KR20040042114A KR20040042114A KR1020020070265A KR20020070265A KR20040042114A KR 20040042114 A KR20040042114 A KR 20040042114A KR 1020020070265 A KR1020020070265 A KR 1020020070265A KR 20020070265 A KR20020070265 A KR 20020070265A KR 20040042114 A KR20040042114 A KR 20040042114A
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- pvc
- polyurethane
- sheet
- film
- release paper
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
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- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of 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 a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of 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 a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
Description
본원 발명은 PVC 필름의 물성과 폴리우레탄의 물성을 모두 가지도록 한 PVC 레자시트에 관한 것이다.The present invention relates to a PVC leather sheet having both the physical properties of the PVC film and the physical properties of the polyurethane.
현재 사용하고 있는 PVC 시트는 소재의 특성상물성 및 가공성이 우수하여 다양한 용도로 주변에서 많이 사용되고 있으며 이에 따른 소비자의 신제품 개발 욕구 또한 증폭되고 있다. PVC 시트는 특히 가공성이 상당히 우수하다는 점에서 다양한 용도로의 적용이 유리하다.The PVC sheet currently used has excellent physical properties and processability due to the characteristics of the material, and is widely used for various purposes. Accordingly, the desire for new product development of consumers is also amplified. PVC sheets are advantageous for various applications, in particular because of their excellent processability.
다만, PVC 시트 자체만으로는 내마모성이 취약하여, 이를 해결하기 위한 다양한연구가 진행중에 있다. PVC의 콤파운드에 내마모성을 보완하고자 하는 시도로서, 각종 첨가제를 조성하여 혼련시키어 카렌다로서 필름 및 시트화하여 생산하는 방법, 또는 PVC 필름 및 시트에 U-V코팅 (자외선 표면 경화법)을 실시하여 제품의 내마모성을 향상시키는 방법 등이 시도된 바 있다.However, PVC sheet itself is abrasion resistance is weak, various researches are in progress to solve this problem. As an attempt to supplement the wear resistance to the compound of PVC, various additives are formed and kneaded to produce a film and sheet as a calender, or UV coating (ultraviolet surface hardening method) on the PVC film and sheet to wear resistance of the product There have been attempts to improve this.
그런데, 상기 PVC 콤파운드에 첨가제를 넣어 필름 및 시트화한 제품은 내마모성 보완부분에 있어 미비하여 제품으로서의 출시가 이루어지지 않고 있으며, U-V코팅을 적용하여 제조된 제품은 우수한 내마모성을 유지하였으나 요철이 있는 씽크 등 문짝부위의 성형 사용시에는 코팅액과 하층부의 PVC 필름과의 신율차이로 인하여 코팅부위의 균열이 발생되어 성형을 필요치 않는 단순 평면등의 제품에만 사용되고 있는 실정이다.By the way, the film and sheet-formed product by adding the additive to the PVC compound is insufficient in the abrasion resistance supplement part, and the product is not released as a product, and the product manufactured by applying the UV coating maintains excellent wear resistance, but has an uneven sink When the molding of the back door is used, cracking of the coating part occurs due to the difference in elongation between the coating liquid and the PVC film in the lower layer, and is used only for products such as simple flat surfaces that do not require molding.
이에 본원발명은 기존의 PVC 시트 또는 이들의 개량시트가 가지는 부족한 내마모성 및 성형시의 균열발생이라는 단점을 해소하여, 2차 가공을 할 필요가 없고, 그 외 유연성, 내굴곡성 및 내용제성을 가질 수 있도록 하는 PVC 가공방법 및 이를 이용하여 제조한 개량된 PVC 시트를 제공하는 것을 목적으로 한다.Accordingly, the present invention eliminates the disadvantages of the wear resistance and cracking during molding of the existing PVC sheet or improved sheet, eliminating the need for secondary processing, and can have flexibility, flex resistance and solvent resistance. It is an object of the present invention to provide a PVC processing method and an improved PVC sheet manufactured using the same.
도 1은 PVC 필름의 제조시 카렌다공정을 수행하는 장치를 보인 도면.1 is a view showing an apparatus for performing a calendar process in the manufacture of PVC film.
도 2는 PVC 필름의 제조시 인쇄공정을 수행하는 장치를 보인 도면.2 is a view showing an apparatus for performing a printing process in the manufacture of PVC film.
도 3은 도 1 및 도 2의 제조장치에 의해 제조된 PVC 필름의 단면도.3 is a cross-sectional view of the PVC film produced by the manufacturing apparatus of FIGS.
도 4은 본 발명의 PVC 레자시트를 제조하기 위한 제조장치를 보인 도면.Figure 4 is a view showing a manufacturing apparatus for producing a PVC leather sheet of the present invention.
도 5 및 도 6은 도 4의 제조장치에 의해 제조된 본 발명의 PVC 레자시트의 단면도(도 5는 인쇄층이 없는 경우, 도 6은 인쇄층이 있는 경우).5 and 6 are cross-sectional views of the PVC leather sheet of the present invention produced by the manufacturing apparatus of FIG. 4 (FIG. 5 is the absence of a printing layer, FIG. 6 is the printing layer).
* 도면 주요부분에 대한 설명* Description of the main parts of the drawing
1. PVC 하층필름 2. PVC 인쇄층1. PVC Underlayer Film 2. PVC Printing Layer
3, 4. 종래의 PVC 필름 5, 6. 본원 발명의 PVC 레자시트3, 4. Conventional PVC film 5, 6. PVC leather sheet of the present invention
10,20,30:제 1,2,3인쇄롤러11,21,31:제 1,2,3잉크 저장용기10,20,30: 1,2,3 printing rollers 11,21,31: 1,2,3 ink storage containers
12,22,32: 제 1,2,3가압롤러40: 카렌다 슈퍼믹서12, 22, 32: 1,2,3 pressure roller 40: calendar super mixer
50: 믹싱믹서60: 카렌다 콘에어50: mixing mixer 60: calender air
70: 카렌다롤80: 카렌다 고무롤70: calendar roll 80: calendar rubber roll
90: 카렌다 엠보스롤100: 카렌다 쿨링롤90: calendar emboss roll 100: calendar cooling roll
110: 카렌다 와인더120: R/P (릴리즈 페이퍼 : Release Paper)110: Calendar Winder 120: R / P (Release Paper)
130,140,150,160,170,180,190,200,210,220,230,240,250,260:가이드롤130,140,150,160,170,180,190,200,210,220,230,240,250,260: guide roll
270,280: 합지롤290,300: 콘베아270,280: paper roll 290,300: convea
310: 폴리우레탄 스킨320:폴리우레탄 점착제310: polyurethane skin 320: polyurethane adhesive
330,340,350:건조로330,340,350: Dry
본 발명은 상기 목적을 달성하기 위하여, PVC 시트의 상단에 폴리우레탄 코팅부가 형성된 것을 특징으로 하는 PVC 레자시트의 제조방법을 제공한다.The present invention provides a method for producing a PVC leather sheet, characterized in that the polyurethane coating is formed on the top of the PVC sheet.
또한, 본 발명은 상기 폴리우레탄 코팅부가 폴리우레탄 코팅공법에 의해 형성된 것을 특징으로 하는 PVC 레자시트의 제조방법을 제공한다.In addition, the present invention provides a method for producing a PVC leather sheet, characterized in that the polyurethane coating is formed by a polyurethane coating method.
또한, 본 발명은 PVC 필름에 인쇄후 릴리즈 페이퍼에 폴리 우레탄 캐스트 코팅을 실시하여 이를 상기한 PVC 필름과 합지한 후, 이 릴리즈 페이퍼를 제거하여 제조한 것을 특징으로 하는 PVC 레자시트의 제조방법을 더욱 제공한다.In addition, the present invention is carried out by the polyurethane cast coating on the release paper after printing on the PVC film and then laminated with the above-mentioned PVC film, the manufacturing method of PVC leather sheet, characterized in that manufactured by removing the release paper further. to provide.
또한, 본 발명은 상기 릴리즈 페이퍼에 폴리 우레탄, 휘발성 유기 용제 및 착색제로 구성된 스킨층을 코팅한 후, 폴리우레탄,휘발성 유기용제 및 가교제로 구성된 접착층을 코팅하여 이를 별도의 PVC 필름에 합지한 후, 이 릴리즈 페이퍼를 제거하여 제조하는 것을 특징으로 하는 PVC 레자시트의 제조방법을 더욱 제공한다.In addition, the present invention after coating a skin layer consisting of polyurethane, a volatile organic solvent and a colorant on the release paper, and then coating the adhesive layer consisting of a polyurethane, a volatile organic solvent and a crosslinking agent and laminated it on a separate PVC film, The present invention further provides a method for manufacturing PVC leather sheet, which is prepared by removing the release paper.
또한, 본 발명은 상기 유기용제로 메틸에틸케톤, 톨루엔 및 DMF 중 어느 하나 이상을 사용하는 것을 특징으로 하는 PVC 레자시트의 제조방법을 제공한다.In addition, the present invention provides a method for producing PVC leather sheet characterized in that any one or more of methyl ethyl ketone, toluene and DMF as the organic solvent.
본 발명은 종전의 내마모성 및 코팅액의 균열을 방지하기위하여 PVC 필름을 하층부로 하여 PVC의 가공성을 유지하였다. 그 대신, 내마모성 및 코팅액의 균열해결을 위하여, 자외선 경화방법을 취하는 대신, 폴리우레탄 캐스트 코팅공법을 이용하였다.The present invention maintains the processability of PVC with the PVC film as a lower layer to prevent the conventional wear resistance and cracking of the coating liquid. Instead, in order to solve the abrasion resistance and cracking of the coating solution, instead of taking the ultraviolet curing method, a polyurethane cast coating method was used.
폴리우레탄 코팅은 섬유(직물) 등에서 제조되어 의류 및 쇼파등에 사용된 바, 있으나, 이와 같은 폴리우레탄 캐스트 코팅을 PVC 필름에 실시한 예는 이제까지 없었다. 본 발명에서는 PVC 필름을 종전의 제조장치에 의하여 생산하여 하층부로 PVC 필름을 준비하고, 그 위해 폴리우레탄 코팅을 행한 것에 특징이 있다. 이 때, 보다 구체적으로는 PVC 필름에 인쇄를 한 후, 폴리우레탄 코팅을 실시한 릴리즈 페이퍼를 이 PVC 필름에 합지한 후, 이 릴리즈 페이퍼만을 제거함으로써 상기 코팅을 행한다.Polyurethane coatings have been manufactured from fibers (fabrics) and the like, and have been used in clothing and sofas, but there have been no examples where such polyurethane cast coatings have been applied to PVC films. The present invention is characterized in that a PVC film is produced by a conventional manufacturing apparatus to prepare a PVC film in a lower layer portion, and polyurethane coating is performed therefor. At this time, more specifically, after printing on a PVC film, after laminating | stacking a release paper which apply | coated polyurethane to this PVC film, the said coating is performed by removing only this release paper.
상기 폴리우레탄 코팅액은 폴리우레탄 수지, 휘발성 유기용제 및 착색제로 구성된다. 이 때, 유기용제로서는 메틸에틸케톤, 톨루엔, DMF 등을 사용할 수 있고, 그 외 인쇄목적에 따라 적절한 착색제를 사용할 수 있다.The polyurethane coating solution is composed of a polyurethane resin, a volatile organic solvent and a colorant. At this time, methyl ethyl ketone, toluene, DMF, etc. can be used as an organic solvent, and other suitable coloring agents can be used according to the printing purpose.
이 때, 폴리우레탄 수지, 유기용제 및 착색제의 조성비는 특별히 한정된 것은 없다. 다만, 폴리우레탄 코팅의 효과가 제대로 나타날 수 있도록 하기 위해, 폴리우레탄의 비율을 어느 정도는 유지할 필요가 있다. 대략 폴리우레탄 수지 : 유기용제 : 착색제의 중량비를 약 (20-80):(79-15):(1-5)의 수준으로 하면 무리가없다.At this time, the composition ratio of the polyurethane resin, the organic solvent, and the coloring agent is not particularly limited. However, in order to exhibit the effect of the polyurethane coating properly, it is necessary to maintain the ratio of the polyurethane to some extent. When the weight ratio of polyurethane resin: organic solvent: colorant is approximately (20-80): (79-15): (1-5), there is no problem.
한편, 상기 릴리즈페이퍼를 제조하여 PVC 필름과 합지하는 방법을 취하는 경우, 상기 PVC 필름에 상기 폴리우레탄 코팅액을 고정시키기 위한 접착층의 형성하는 것이 필요한다. 폴리우레탄 점착제의 구성은 폴리우레탄 수지, 유기용제, 가교제를 포함하여 형성하고, 유기용제로서 메틸에틸케톤이나 톨루엔 중 어느 하나 또는 양자를 사용한다. 그 외, 적절한 촉매를 선택하여 첨가할 수 있다. 이 때, 점착층의 성분비 역시, 점착성능이 어느 정도 부여되기만 하면 특별히 한정되는 것은 없다. 예를 들어, 폴리우레탄 수지 : 유기용제 : 가교제의 중량비를 대략, (40-80):(55-15):(10-5)의 중량비를 가지도록 하면 적당하다.On the other hand, when taking the method of manufacturing the release paper and laminating with the PVC film, it is necessary to form an adhesive layer for fixing the polyurethane coating liquid to the PVC film. The polyurethane pressure-sensitive adhesive is formed by including a polyurethane resin, an organic solvent, and a crosslinking agent, and either or both methyl ethyl ketone and toluene are used as the organic solvent. In addition, a suitable catalyst may be selected and added. At this time, the component ratio of the pressure-sensitive adhesive layer is not particularly limited as long as the adhesive performance is given to some extent. For example, the weight ratio of polyurethane resin: organic solvent: crosslinking agent may be approximately approximately (40-80): (55-15): (10-5).
이하, 첨부된 도면 및 실시예를 참조로 하여 본 발명은 더욱 상세히 설명한다. 그러나, 본 발명의 범위의 이들 도면 및 실시예에 기재된 범위내로 한정되는 것은 아니다.Hereinafter, with reference to the accompanying drawings and embodiments will be described the present invention in more detail. However, it is not limited to the range described in these figures and the Example of the range of this invention.
1. 피브이시(PVC) 필름의 제조공정1. Manufacturing Process of PVC Film
도1은 종래의 PVC 레쟈시트의 하층부를 제조하기위한 제조장치이며 이는 종전의 PVC 필름을 제조하기위한 제조장치와 같다.1 is a manufacturing apparatus for manufacturing a lower layer of a conventional PVC leather seat, which is the same as the manufacturing apparatus for manufacturing a conventional PVC film.
카렌다 PVC필름의 제조방법은 PVC 콤파운드를 슈퍼믹서 (40)에서 교반한 후 믹싱을 (50)에서 2차 혼련을 실시하여 혼련된 배합물을 콘베어 (60)를 통해 카렌다롤 (70)에 이송하여 압연에 의해 필름을 형성하고 필요한 무늬를 엠보스롤 (90)의 요철을 통해 형성시킨다.In the method of manufacturing the calender PVC film, the PVC compound is stirred in the super mixer 40, and then the second compound is kneaded in the mixing (50) to transfer the kneaded compound to the calender roll 70 through the conveyor 60 and rolled. The film is formed, and the necessary pattern is formed through the unevenness of the embossing roll 90.
형성된 필름은 냉각롤 (100)을 거쳐서 냉각이 이루어지며 외인더 (110)에서일정수량에 의하여 권취가 된다 또한 필요에 따라서 형성된 필름으로서 그라비아 인쇄를 실시하여 소비자가 요구하는 무늬를 인쇄한다.The formed film is cooled through the cooling roll 100 and is wound by a certain amount in the outer 110. Also, as the film is formed, gravure printing is performed to print a pattern required by the consumer.
그 인쇄를 실시하는 제조 방법은 인쇄부는 제 1,2,3 인쇄롤러 (10),(20),(30)와 그 인쇄롤러에 밀착되어 회전하는 제 1,2,3 가압롤러 (12),(22),(32)를 포함한다. 제 1,2,3인쇄롤러는 PVC 잉크가 수용된 제 1,2,3 저장용기 (11),(21),(31)에 일부 잠겨지며 제 1,2,3 가압롤러는 제 1,2.3 인쇄롤러에 밀착되어 회전한다. 상기 구조의 제조장치에 의하여 PVC 필름 (3.4)을 제 1인쇄롤러 (10)와 제 1가압롤러 (12)를 지나가게 하여 인쇄하였고 제2,3인쇄롤러 (20),(30)와 제2,3가압롤러 (22),(32)사이를 지나가게 하여 중복인쇄하였다.The printing method is a printing method of the first, second, third printing rollers (10), (20), (30) and the first, second, third pressing rollers (12) which are in close contact with the printing roller and rotated. And (22) and (32). The first, second, and third printing rollers are partially submerged in the first, second, and third storage containers 11, 21, and 31 containing the PVC ink. Rotate in close contact with the roller. The PVC film 3.4 was printed by passing through the first printing roller 10 and the first pressing roller 12 by the manufacturing apparatus of the above structure, and the second, third printing rollers 20, 30, and second were printed. The print was overprinted by passing between the three-pressure rollers (22) and (32).
상기 방법에 의해 제조된 PVC 필름의 단면도를 도(2)에 나타내었다.A cross-sectional view of the PVC film produced by the above method is shown in FIG.
상기 방법에 따라 제조되는 PVC 필름은 각 구성요소의 두께를 달리하여 0.04mm 내지 30.mm 까지 다양한 두께로 제조할 수있다.PVC film produced according to the method can be produced in various thicknesses from 0.04mm to 30.mm by varying the thickness of each component.
2. 폴리우레탄 코팅층의 형성공정2. Formation process of polyurethane coating layer
도3은 릴리즈 페이퍼에 코팅층과 점착층을 형성한 후, 이를 PVC필름과 결합하여 본 발명의 PVC 레쟈시트를 제조하기 위한 제조장치를 보인 것이다.Figure 3 shows the manufacturing apparatus for manufacturing the PVC leather seat of the present invention by forming a coating layer and a pressure-sensitive adhesive layer on the release paper, combined with the PVC film.
릴리즈 페이퍼(120)을 가이드롤 (130,140,150, 160,170,180,190)을 인도한 후 원하는 패턴으로 조성된 폴리우레탄 코팅액(310)을 30g-300g/㎡ 으로 코팅하여 콘베아(280)를 통하여 이송한다. 이후, 건조로(330,340)에서 50-140℃ 의 온도에서 건조하여 코팅층 배합물에 포함된 유기용제를 휘발시킨다. 릴리즈 페이퍼 위에형성된 코팅층은 가이드롤 (200) (210),(220),(230)도 인도되고, 이어서 폴리우레탄 점착층 (320)으로서 30g-300g/㎡ 2차 코팅되어 120-170℃의 건조로 (350)로 이송된다. 이 건조로에서 점착제에 포함되어 있던 유기용제를 휘발시킨 후 하층부로 제조된 PVC 필름 (3)(4)과 합지를 (270),(280)을 거치면서 합지가 이루어진다.After guiding the release paper 120 to the guide rolls 130, 140, 150, 160, 170, 180, and 190, the polyurethane coating solution 310 formed in a desired pattern is coated with 30 g-300 g / m 2 and transferred through the conveyor 280. Then, the drying in the drying furnace (330,340) at a temperature of 50-140 ℃ to volatilize the organic solvent contained in the coating layer formulation. The coating layer formed on the release paper is also guided 200, 210, 220, 230 is also guided, followed by 30g-300g / ㎡ secondary coating as polyurethane adhesive layer 320 and dried at 120-170 ℃ Is transferred to the furnace 350. After the volatilization of the organic solvent contained in the pressure-sensitive adhesive in this drying furnace, the laminated film is made while passing through the 270 and 280 of the PVC film (3) and 4 made of the lower layer.
합지된 PVC 레자시트는 릴리즈페이퍼와 같이 숙성실로 이동하여 40-100℃의 온도에서 24-48시간 동안 숙성한 후 릴리즈페이퍼를 박리하여 PVC 레자시트로 제조된다.The laminated PVC leather sheet is moved to a aging room like a release paper, aged at a temperature of 40-100 ° C. for 24-48 hours, and then peeled off the release paper to prepare a PVC leather sheet.
상기의 방법에 따라 제조되는 PVC 레쟈시트는 각종본드를 매개체로 하여 합성목재 철판 창호 종이 등 피착제의 재질에 상관없이 부착 사용한다.The PVC leather seat manufactured according to the above method is used as a medium by various bonds, regardless of the material of the adherend such as a synthetic wood sheet metal window paper.
상기한 방법에 의해 제조되는 본원 발명에 의한 PVC 레자시트는 기존의 PVC 시트의 가공성 및 폴리우레탄 수지의 내마모성, 내용재성 및 내성형성을 가지고 있는 점에서 장점이 있다.PVC leather sheet according to the present invention prepared by the above method is advantageous in that it has the workability of the existing PVC sheet and the wear resistance, solvent resistance and resistance of the polyurethane resin.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020020070265A KR20040042114A (en) | 2002-11-13 | 2002-11-13 | PVC Leather sheet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020020070265A KR20040042114A (en) | 2002-11-13 | 2002-11-13 | PVC Leather sheet |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR20-2002-0033887U Division KR200302654Y1 (en) | 2002-11-13 | 2002-11-13 | PVC Leather sheet |
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| Publication Number | Publication Date |
|---|---|
| KR20040042114A true KR20040042114A (en) | 2004-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020020070265A KR20040042114A (en) | 2002-11-13 | 2002-11-13 | PVC Leather sheet |
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| KR (1) | KR20040042114A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200468756Y1 (en) * | 2008-12-11 | 2013-09-06 | (주)엘지하우시스 | Polyvinyl chloride decoration material having good hardness |
| CN103469607A (en) * | 2013-08-23 | 2013-12-25 | 福建宝利特集团有限公司 | Artificial leather and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200189919Y1 (en) * | 2000-02-25 | 2000-07-15 | 김봉국 | Film for leather |
| KR100263547B1 (en) * | 1998-05-25 | 2000-09-01 | 안상철 | Ornamental sheat of artificial wood |
| KR20010038330A (en) * | 1999-10-25 | 2001-05-15 | 장병주 | A manufacturing process and a product of a polyurethane artificial-leather |
-
2002
- 2002-11-13 KR KR1020020070265A patent/KR20040042114A/en not_active Application Discontinuation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100263547B1 (en) * | 1998-05-25 | 2000-09-01 | 안상철 | Ornamental sheat of artificial wood |
| KR20010038330A (en) * | 1999-10-25 | 2001-05-15 | 장병주 | A manufacturing process and a product of a polyurethane artificial-leather |
| KR200189919Y1 (en) * | 2000-02-25 | 2000-07-15 | 김봉국 | Film for leather |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200468756Y1 (en) * | 2008-12-11 | 2013-09-06 | (주)엘지하우시스 | Polyvinyl chloride decoration material having good hardness |
| CN103469607A (en) * | 2013-08-23 | 2013-12-25 | 福建宝利特集团有限公司 | Artificial leather and preparation method thereof |
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