KR20010029051A - Method for forming pattern on article of polyurethane resin - Google Patents

Method for forming pattern on article of polyurethane resin Download PDF

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Publication number
KR20010029051A
KR20010029051A KR1019990041647A KR19990041647A KR20010029051A KR 20010029051 A KR20010029051 A KR 20010029051A KR 1019990041647 A KR1019990041647 A KR 1019990041647A KR 19990041647 A KR19990041647 A KR 19990041647A KR 20010029051 A KR20010029051 A KR 20010029051A
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KR
South Korea
Prior art keywords
transfer paper
molding
moldings
mold
urethane resin
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KR1019990041647A
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Korean (ko)
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이상옥
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이상옥
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Priority to KR1019990041647A priority Critical patent/KR20010029051A/en
Publication of KR20010029051A publication Critical patent/KR20010029051A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like

Abstract

PURPOSE: A forming method of patterns on urethane resin moldings is provided, which can form patterns on urethane resin moldings by sticking a transfer paper to the moldings using heat generated from the foaming of resin, to reduce manufacturing processes and increase productivity. The urethane moldings have cushion performance and can be decorated by various patterns. CONSTITUTION: The system comprises the followings: (i) spreading transfer paper(1) with a pattern on one side inside a metal mold(2); (ii) feeding urethane resin on the paper(1) and foaming it for forming moldings(3), so that the transfer paper(1) sticks to the moldings by the heat generated from the foaming of the resin; (iii) releasing the moldings with the transfer paper(1) from the metal mold(2); and (iv) separating the transfer paper(1) from the moldings(3), so that the pattern of the transfer paper is transferred to the moldings(3).

Description

우레탄수지 성형물에 무늬를 형성하는 방법{Method for forming pattern on article of polyurethane resin}Method for forming pattern on article of polyurethane resin

본 발명은 우레탄수지 성형물에 관한 것으로 특히 제품에 쿠션성능과 표면을 다양한 무늬로 장식할 수 있도록 하는 우레탄수지 성형물에 무늬를 형성하는 방법에 관한 것이다.The present invention relates to a urethane resin molding, and more particularly, to a method for forming a pattern on a urethane resin molding to enable the product to decorate the cushion performance and the surface with various patterns.

종래의 합성수지재 성형물은 사출성형 등의 방법을 제조되기 때문에 성형물의 표면이 단색으로 이루어짐으로써 미감을 많이 살릴 수가 없고, 또한 재질의 특성상 딱딱하기 때문에 사용자에게 부드러운 감을 느낄 수가 없었다.Conventional synthetic resin molded article is manufactured by a method such as injection molding, so that the surface of the molded article is made of a single color, so that a lot of aesthetics can not be saved, and because the material is hard, the user cannot feel a soft feeling.

이러한 점을 감안하여 합성수지로 사출성형 된 성형물의 표면에 무늬를 부여하거나, 성형물의 표면에 장신무늬가 형성된 별도의 부재를 부착하는 방법으로 제작하기도 하였다.In view of this point, it has been produced by applying a pattern to the surface of the molded product injection molded with synthetic resin, or by attaching a separate member formed with a tall pattern on the surface of the molded product.

그리고, 쿠션성능을 좋게 하기 위한 우레탄수지 성형물의 표면에 직접 장식무늬를 부여하거나, 별도의 부재를 부착하는 방법에 의하면 우레탄수지 성형물을 성형한 다음에 장식무늬를 부여하고 부재를 부착하는 작업을 추가로 시행하는 문제점과, 스폰지나 폴리우레탄 등의 탄성재로 정밀하게 부재를 성형하는 과정 또한 필요함으로써 생산성이 저하되는 문제점이 발생하였다.In addition, according to the method of directly applying a decorative pattern on the surface of the urethane resin molding for improving cushioning performance, or attaching a separate member, adding a decorative pattern and attaching the member after molding the urethane resin molding is added. Problems to be carried out, and the process of molding the member precisely with an elastic material such as sponge or polyurethane also required a problem that the productivity is lowered.

본 발명은 이러한 점을 감안하여 발명한 것으로서 우레탄수지 성형물을 성형하는 금형 내에 무늬가 일면에 형성된 전사필름을 깔아놓은 다음, 상기 전사필름 위에 발포수지를 투입하여 발포하여 성형물을 성형하고, 상기와 같이 성형된 성형물을 금형에서 탈형 한 후, 상기 성형물의 표면에 부착되어진 전사필름을 제거하면 전사필름에 형성된 무늬가 성형물의 표면에 전사되어 입혀지는 것으로서, 우레탄수지 성형물을 신체적 접촉이 부드럽도록 쿠션성능이 부여되고 또한 표면에 무늬가 형성됨으로서 다양한 무늬가 형성된 우레탄수지 성형물을 제공할 수 있는 목적을 달성할 수 있는 발명이다.The present invention has been invented in view of such a point, and then, in the mold for molding the urethane resin molded article, a transfer film formed on one surface of the pattern is laid, and then the foamed resin is put on the transfer film to form a molded article as described above. After demolding the molded product from the mold, if the transfer film attached to the surface of the molding is removed, the pattern formed on the transfer film is transferred to the surface of the molding, and the cushioning performance is improved so that the physical contact of the urethane resin molding is smooth. It is an invention that can achieve the object of providing a urethane resin molded article formed with various patterns by being provided on the surface and the pattern is formed.

도1은 무늬가 일면에 형성된 전사지.1 is a transfer paper formed on one surface of the pattern.

도2는 성형물의 금형내에 전사지가 밀착된 상태도.Figure 2 is a state in which the transfer paper is in close contact with the mold of the molding.

도3은 금형내에 밀착된 전사지위에 우레탄수지가 투입된 상태도.Figure 3 is a state in which the urethane resin is injected into the transfer position in close contact with the mold.

도4는 금형내에 성형된 성형물을 탈형한 상태도.4 is a state in which the molded article molded in the mold is demolded.

***도면의 주요부분에 대한 부호의 설명****** Explanation of symbols for main parts of drawing ***

1 : 전사지1: transfer paper

2 : 금형2: mold

3 : 성형물3: molding

본 발명 우레탄수지 성형물의 구성과 그 제조방법을 구체적으로 설명하면 다음과 같다.Hereinafter, the structure of the urethane resin molded article and the manufacturing method thereof will be described in detail.

먼저 우레탄수지 성형물의 구성은 일면에 무늬가 형성된 전사지(1)를 금형(2)의 내면에 밀착되게 깔아놓고 상기 전사지(1)의 위에 투입된 우레탄수지가 발포되면서 발생된 열에 의하여 전사지(1)가 밀착된 상태로 형성된 성형물(3)과, 상기 성형물(3)을 금형(2)에서 탈형하여 성형물(3)의 표면에 밀착되어진 전사지(1)를 분리하여 전사지(1)의 무늬가 성형물(3)의 표면에 전사되도록 구성한 것이다.First, the urethane resin molding is composed of a transfer paper 1 having a pattern formed on one surface in close contact with the inner surface of the mold 2, and the transfer paper 1 is formed by heat generated when the urethane resin injected onto the transfer paper 1 is foamed. The molded article 3 formed in close contact with the molded article 3 is removed from the mold 2 to separate the transfer paper 1 adhered to the surface of the molded article 3 so that the pattern of the transfer paper 1 is formed. It is configured to be transferred to the surface of).

그리고, 우레탄수지 성형물의 제조방법은 일면에 무늬가 형성된 전사지(1)를 금형(2)의 내면에 밀착되게 깔아놓고 상기 전사지(1)의 위에 우레탄 수지를 투입하는 투입과정과, 상기 투입과정에 의하여 투입되어 발포되면서 성형물(3)이 성형되는 성형과정과. 상기 성형과정에 발포수지가 발포되면서 발생된 열에 의하여 전사지(1)가 밀착된 성형물(3)를 금형(2)에서 탈형하는 탈형과정과, 상기 탈형과정에 의하여 탈형 된 성형물(3)의 표면에 밀착되어진 전사지(1)를 분리하여 전사지 (1)의 무늬가 성형물(3)의 표면에 전사되도록 하는 전사지(1)의 분리과정으로 이루어진 것이다.In addition, the method of manufacturing a urethane resin molded article is placed on the surface of the transfer paper (1) having a pattern formed in close contact with the inner surface of the mold (2) and the input process of injecting a urethane resin on the transfer paper (1), and in the input process Molding process and the molding (3) is molded while being injected by the foam. The demolding process of demolding the molding 3 in which the transfer paper 1 is in close contact with the mold 2 by heat generated when the foaming resin is foamed in the molding process, and the surface of the molding 3 demolded by the demolding process. It is made of a separation process of the transfer paper 1 to separate the transfer paper 1 in close contact so that the pattern of the transfer paper 1 is transferred to the surface of the molding 3.

이와 같은 본 발명의 제조과정을 구체적으로 설명하면 다음과 같다.Referring to the manufacturing process of the present invention in detail as follows.

일면에 무늬가 형성된 전사지(1)를 금형(2)의 내면에 밀착되게 깔아놓고 도면에는 도시되어 있지 아니하지만 금형(2)에 형성된 흡입구에 연결된 흡입장치를 가동시키면 전사지(1)와 금형(2) 사이에 존재하는 공기가 흡입장치에 의하여 흡입구를 통하여 배출됨에 따라 전사지(1)가 금형(2)의 내면에 밀착된다.The transfer paper 1 having a pattern formed on one surface is laid in close contact with the inner surface of the mold 2 and the drawing paper 1 and the mold 2 are operated by operating the suction device connected to the suction port formed in the mold 2 although not shown in the drawing. The transfer paper 1 is in close contact with the inner surface of the mold 2 as the air existing between the and the air is discharged through the suction port by the suction device.

이와 같이 금형(2)의 내면에 밀착된 전사지(1)의 위에 우레탄수지 등의 우레탄 수지를 투입한다.Thus, urethane resin, such as urethane resin, is put on the transfer paper 1 in close contact with the inner surface of the mold 2.

상기 투입과정에 의하여 금형(2) 내면에 밀착된 전사지(1)위에 투입된 발포수지가 발포되면서 성형물(1)이 성형되는데 성형된 성형물(3)은 우레탄수지로 형성되기 때문에 쿠션성능이 부여된다.The molding 1 is molded while the foamed resin injected onto the transfer paper 1 in close contact with the inner surface of the mold 2 is molded by the injection process, and the molded molding 3 is made of urethane resin, thereby providing cushioning performance.

그리고, 상기 성형과정에 발포수지가 발포되는데 이때 발생되는 열은 약 70℃ 이상으로서, 발생된 열에 의하여 전사지(1)가 성형물(3)의 표면에 밀착된 상태에서 성형물(3)을 금형(2)에서 탈형한다.In addition, the foaming resin is foamed during the molding process, and the heat generated at this time is about 70 ° C. or more, and the molding 3 is molded into the mold 3 while the transfer paper 1 is in close contact with the surface of the molding 3 by the generated heat. Demold).

그리고, 상기 탈형과정에 의하여 탈형 된 성형물(3)의 표면에 밀착되어진 전사지(1)를 분리하면 전사지(1)에 형성된 무늬가 성형물(3)의 표면에 전사되는 것으로 성형물의 표면에 무늬를 다양하게 부여할 수 있는 것이다.In addition, when the transfer paper 1 adhered to the surface of the molded product 3 demolded by the demolding process, the pattern formed on the transfer paper 1 is transferred to the surface of the molded product 3, thereby varying the pattern on the surface of the molded product. It can be given.

이와 같은 본 발명은 일면에 무늬가 형성된 전사지를 금형의 내면에 밀착되게 깔아놓고 상기 전사지의 위에 투입된 우레탄수지가 발포되면서 발생된 열에 의하여 전사지가 밀착된 상태로 성형물을 형성하고, 상기 성형물을 금형에서 탈형하여 성형물의 표면에 밀착되어진 전사지를 분리하여 전사지의 무늬가 성형물의 표면에 전사되도록 구성함으로서 쿠션성능을 부여하고, 성형물의 표면에 무늬를 다양하게 부여할 수 있으며, 제조공정을 줄일 수 있어 생산성을 높일 수 있는 발명이다.The present invention forms a molded article in a state in which the transfer paper is in close contact with the heat generated by foaming the urethane resin put on the transfer paper is placed on the surface of the transfer paper with a pattern formed on one surface in contact with the mold, and the molded product in the mold By removing the transfer paper adhered to the surface of the molding by demolding, the transfer paper pattern is transferred to the surface of the molding to impart cushioning performance, various patterns on the surface of the molding, and reduce the manufacturing process. It is an invention that can increase.

Claims (2)

일면에 무늬가 형성된 전사지(1)를 금형(2)의 내면에 밀착되게 깔아놓고 상기 전사지(1)의 위에 투입된 우레탄수지가 발포되면서 발생된 열에 의하여 전사지 (1)가 밀착된 상태로 형성된 성형물(3)과,The molded article formed in a state in which the transfer paper 1 is in close contact with the transfer paper 1 having a pattern formed on one surface in close contact with the inner surface of the mold 2, and the urethane resin injected onto the transfer paper 1 is foamed by the heat generated. 3) and, 상기 성형물(3)을 금형(2)에서 탈형하여 성형물(3)의 표면에 밀착되어진 전사지(1)를 분리하여 전사지(1)의 무늬가 성형물(3)의 표면에 전사되도록 구성한 것을 특징으로 하는 우레탄수지 성형물.The molding 3 is demolded from the mold 2 to separate the transfer paper 1 adhered to the surface of the molding 3 so that the pattern of the transfer paper 1 is transferred to the surface of the molding 3. Urethane resin molding. 일면에 무늬가 형성된 전사지(1)를 금형(2)의 내면에 밀착되게 깔아놓고 상기 전사지(1)의 위에 우레탄 수지를 투입하는 투입과정과,Putting the transfer paper 1 having a pattern formed on one surface in close contact with the inner surface of the mold 2 and injecting a urethane resin onto the transfer paper 1; 상기 투입과정에 의하여 투입되어 발포되면서 금형(2) 내에서 성형물(3)이 성형되는 성형과정과.A molding process in which the molding 3 is molded in the mold 2 while being injected and foamed by the charging process. 상기 성형과정에 발포수지가 발포되면서 발생된 열에 의하여 전사지(1)가 밀착된 성형물(3)을 금형(2)에서 탈형하는 탈형과정과,A demolding process of demolding the molding 3 in which the transfer paper 1 is in close contact with the mold 2 by the heat generated while the foaming resin is foamed in the molding process; 상기 탈형과정에 의하여 탈형 된 성형물(3)의 표면에 밀착되어진 전사지(1)를 분리하여 전사지(1)의 무늬가 성형물(3)의 표면에 전사되도록 하는 전사지(1)의 분리과정으로 이루어진 것을 특징으로 하는 우레탄수지 성형물의 제조방법.By separating the transfer paper 1 in close contact with the surface of the molded product (3) demolded by the demolding process made of a separation process of the transfer paper (1) so that the pattern of the transfer paper 1 is transferred to the surface of the molding (3) Method for producing a molded urethane resin, characterized in that.
KR1019990041647A 1999-09-29 1999-09-29 Method for forming pattern on article of polyurethane resin KR20010029051A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS555831A (en) * 1978-06-28 1980-01-17 Toppan Printing Co Ltd Manufacture of foam polyurethane molding having pattern
KR840000385A (en) * 1982-06-02 1984-02-22 허권석 Transfer method of thermosetting plastic transfer paper
JPH03193418A (en) * 1989-12-25 1991-08-23 Aica Kogyo Co Ltd Production of composite decorative material
KR960029057A (en) * 1995-01-17 1996-08-17 박종윤 Urethane decorative plate manufacturing method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS555831A (en) * 1978-06-28 1980-01-17 Toppan Printing Co Ltd Manufacture of foam polyurethane molding having pattern
KR840000385A (en) * 1982-06-02 1984-02-22 허권석 Transfer method of thermosetting plastic transfer paper
JPH03193418A (en) * 1989-12-25 1991-08-23 Aica Kogyo Co Ltd Production of composite decorative material
KR960029057A (en) * 1995-01-17 1996-08-17 박종윤 Urethane decorative plate manufacturing method

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