KR100525946B1 - The manufacturing process of phylon unnecessary UV treatment process - Google Patents
The manufacturing process of phylon unnecessary UV treatment process Download PDFInfo
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- KR100525946B1 KR100525946B1 KR10-2002-0074680A KR20020074680A KR100525946B1 KR 100525946 B1 KR100525946 B1 KR 100525946B1 KR 20020074680 A KR20020074680 A KR 20020074680A KR 100525946 B1 KR100525946 B1 KR 100525946B1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/12—Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
- B29D35/122—Soles
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/04—Plastics, rubber or vulcanised fibre
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
- C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09J123/0853—Vinylacetate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/08—Copolymers of ethylene
- B29K2023/083—EVA, i.e. ethylene vinyl acetate copolymer
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
본 발명은 신발의 파일론(Phylon;Molded EVA)의 접착전 처리공정인 자외선(UV)처리공정이 필요없는 이브이에이(EVA)를 재질로 한 파일론 제조방법에 관한 것으로, 더욱 상세하게는 이브이에이의 배합, 발포, 재단 및 일정한 형태로 재단된 이브이에이 스폰지에 열성형접착제를 도포한 후 압축성형하여 만든 파일론 제조방법에 관한 것이다.The present invention relates to a method for manufacturing pylon made of EVA, which does not require ultraviolet (UV) treatment, which is a pre-adhesive treatment of shoe pylons (Molded EVA), and more specifically, The present invention relates to a method for producing a pylon made by compounding, foaming, cutting and compression molding after applying a thermoforming adhesive to Yves sponge cut into a certain shape.
상기의 열성형접착제는 유기용제에 대비하여 1%-20% 변성폴리에틸렌비닐아세테이트 용액에 경화제를 0.5%-5% 첨가하여 제조한 것을 특징으로 한다. The thermoforming adhesive is prepared by adding a curing agent 0.5% -5% to 1% -20% modified polyethylene vinyl acetate solution compared to the organic solvent.
Description
본 발명은 신발의 파일론(Phylon;Molded EVA)과 밑창(outsole)의 접착전 처리공정인 자외선(UV)처리공정이 필요없는 이브이에이(EVA)를 재질로 한 파일론 제조방법에 관한 것으로, 더욱 상세하게는 배합, 발포 및 재단된 이브이에이 스폰지에 열성형접착제를 도포한 후 압축성형하여 만든 파일론 제조방법에 관한 것이다.The present invention relates to a method of manufacturing pylon made of EVA, which does not require ultraviolet (UV) treatment, which is a pre-adhesion treatment process of a shoe pylon (Molded EVA) and an outsole. Preferably, the present invention relates to a method for producing a pylon made by applying a thermoforming adhesive to a compounded, foamed and cut Eve sponge, followed by compression molding.
신발산업은 대표적인 수공업산업으로서 대부분의 제조공정이 사람의 손에 의해 수행될 뿐 아니라 제조공정이 복잡하여, 신발의 제조에 인력과 시간이 많이 소요되어 제조공정의 단가가 높은 산업이며, 신발 밑창과 중창간의 접착력은 우수한 품질의 운동화를 생산하는 데 필수적인 요소로서 이에 대한 연구는 지속적으로 행해지고 있다. The shoe industry is a representative handicraft industry. Most of the manufacturing process is performed by human hands, and the manufacturing process is complicated, which requires a lot of manpower and time to manufacture shoes. Adhesion between the midsoles is an essential factor in producing high quality sneakers, and research on this is ongoing.
종래의 케미 슈즈(운동화) 중창(midsole)에 사용되는 파일론은 고온, 고압에서 성형되어 일반 이브이에이 스폰지 중창과는 다른 표면구조를 가지므로, 신발밑창과 접착하기 위해서는 도1에 나타난 바와 같이 그 전과정으로 자외선처리공정을 거친 후에 접착공정에 들어갔다. 이 자외선처리공정은 인체에 유해한 강한 자외선을 방출할 뿐만 아니라 많은 시간과 인력이 소요되는 문제점이 있다. Since the pylon used in the conventional chemistry shoes midsole is molded at high temperature and high pressure and has a surface structure different from that of the general Yves sponge midsole, the entire process is shown in FIG. After going through the UV treatment step, the bonding process was started. This ultraviolet treatment process not only emits strong ultraviolet rays harmful to the human body, but also requires a lot of time and manpower.
이러한 문제점을 해결하기 위해 한국 특허등록 제328700호에서는 신발의 중창 및 밑창의 표면을 플라즈마로 개질시켜 이를 접착시키는 방법을 창작했으며, 좀 더 구체적으로는 저온 플라즈마 장치를 사용하여 플라즈마 분위기에서 불활성 및 반응성 가스들을 주입하여 스퍼터 에칭, 물리적 에칭, 화학적 활성화 및 화학 결합 효과들을 복합시켜 신발창과 접착제간의 접착력을 증진시킬 수 있고, 모든 종류의 신발창 및 접착제에 범용적으로 실시할 수 있는 자동화된 단일 공정으로서 환경 및 인간친화적 신발창의 접착방법을 개시하고 있다. 이와 같이 이루어진 선행기술은 접착력을 증진시킬 수 있고, 유기용제를 사용하지 않는 이점이 있었다.In order to solve this problem, Korean Patent Registration No. 328700 has created a method of modifying the surface of the midsole and sole of a shoe with plasma, and more specifically, using a low-temperature plasma apparatus to inert and react in a plasma atmosphere. By injecting gases to combine sputter etching, physical etching, chemical activation and chemical bonding effects to improve adhesion between sole and adhesive, the environment is a single automated process that can be universally applied to all kinds of soles and adhesives. And a method of bonding a human friendly shoe sole. The prior art made in this way can enhance the adhesion, there was an advantage that does not use an organic solvent.
그러나, 상기의 종래의 기술은 자외선처리공정에 의한 신발 중창의 표면개질 대신 저온플라즈마 장치를 이용하여 표면을 플라즈마로 개질시킨 것으로서, 공정 자체가 대체되었을 뿐이므로 신발제조공정이 복잡하다는 근본적인 문제점을 해결하지는 못하고 있다. However, the conventional technique is to modify the surface by plasma using a low-temperature plasma device instead of the surface modification of the shoe midsole by the ultraviolet treatment process, the process itself is replaced only solves the fundamental problem that the shoe manufacturing process is complicated I can't.
본 발명은 상기한 문제점을 해결하기 위하여 안출된 것으로서, 본 발명의 목적은 신발중창의 접착공정에 있어서, 자외선 처리공정이 필요 없는 이브이에이를 재질로 한 파일론 제조방법을 제공하는 것이다.The present invention has been made to solve the above problems, it is an object of the present invention to provide a pylon manufacturing method made of Yves material without the need for ultraviolet treatment in the process of the shoe sole.
본 발명의 다른 목적은 신발의 접착공정을 단순화 시켜 신발의 제조단가와 인력을 줄이는 방법을 제공하는 것뿐만 아니라 강한 자외선의 방출로 파생할 수 있는 근로자들의 건강 위해성을 제거할 수 있는 환경친화적인 파일론 제조방법을 제공하는 데 있다. Another object of the present invention is to provide a method of reducing the manufacturing cost and manpower of the shoe by simplifying the adhesion process of the shoe, as well as environmentally friendly pylons that can eliminate the health risks of workers that can be derived from the emission of strong ultraviolet light. It is to provide a manufacturing method.
상기의 목적을 달성하기 위한 본 발명은, 이브이에의 배합, 발포, 재단 및 일정한 형태로 재단된 이브이에이스폰지에 열성형접착제를 도포한 후 압축성형하여 만들어진 이브이에이 파일론제조방법에 관한 것으로서, 신발중창의 접착공정에 있어서 접착전 처리공정인 자외선 처리공정이 필요 없는 것을 특징으로 하는 파일론 제조방법에 관한 것이다. The present invention for achieving the above object, relates to the production of Yves A pylon made by applying a thermoforming adhesive to Yves a sponge, which is formulated, foamed, cut and cut to a certain form after compression molding It relates to a pylon production method characterized in that no ultraviolet treatment step, which is a pre-adhesion treatment step, in the bonding step of the midsole.
이하 본 발명에 따른 바람직한 실시 예를 첨부한 도면을 참조하여 구체적으로 상세히 설명한다. 하기의 설명에는 본 발명의 제조방법을 이해하는데 필요한 부분만이 설명되며, 그 이외 부분의 설명은 본 발명의 요지를 흐트리지 않도록 생략될 것이라는 것을 유의하여야 한다. 그리고 후술되는 용어들은 본 발명에서의 기능을 고려하여 정의 내려진 용어들로서 이는 사용자 혹은 제작자의 의도 또는 관례 등에 따라 달라질 수 있으므로, 그 정의는 본 명세서 전반에 걸친 내용을 토대로 내려져야 할 것이다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that in the following description, only parts necessary for understanding the manufacturing method of the present invention will be described, and descriptions of other parts will be omitted so as not to obscure the subject matter of the present invention. Terms to be described later are defined in consideration of functions in the present invention, which may vary according to intention or custom of a user or a manufacturer, and the definitions should be made based on the contents throughout the present specification.
도 2는 본 발명에 따른 파일론 제조공정을 나타낸 개략도이다. Figure 2 is a schematic diagram showing a pylon manufacturing process according to the present invention.
먼저, 파일론의 원재료인 이브이에이에 첨가제(가교제, 보강제, 열안정제, 발포제, 연화제 등)를 배합한다. First, additives (crosslinking agent, reinforcing agent, heat stabilizer, foaming agent, softener, etc.) are blended with YVA, which is a raw material of pylon.
상기 배합된 이브이에이를 중창용 스폰지로 발포성형 한 후, 이를 일정한 형태로 재단한 다음, 이 재단된 이브이에이 스폰지의 표면에 열성형접착제를 도포한다. 이는 이브이에이 표면을 개질시키기 위함이다. 이때 도포하는 방법은 브러쉬방법, 스프레이방법 및 딥핑(dipping)방법 등으로 할 수 있다.After the compounded Yves are foam-molded with a midsole sponge, they are cut into a predetermined shape, and then a thermoforming adhesive is applied to the surface of the cut Yves sponge. This is to modify the surface of Yves. In this case, the coating method may be a brush method, a spray method, a dipping method, or the like.
상기의 열성형접착제는 유기용제의 중량에 대비하여 변성폴리에틸렌비닐아세테이트(Modified poly ethylene vinyl acetate) 성분이 1%~20%인 용액에 헥사메틸렌 디이소시아네이트 사이클릭 트라이머(Hexamethylene diisocyanate cyclic trimer)등의 경화제를 0.5%~5% 첨가하는 것이 바람직하다. 이때 헥사메틸렌 디이소시아네이트 사이클릭 트라이머는 고형분이 10%-30%인 것이 적당하다.The thermoforming adhesive is a hexamethylene diisocyanate cyclic trimer such as hexamethylene diisocyanate cyclic trimer in a solution containing 1% to 20% of a modified polyethylene vinyl acetate component based on the weight of the organic solvent. It is preferable to add 0.5%-5% of hardening agents. In this case, the hexamethylene diisocyanate cyclic trimer preferably has a solid content of 10% -30%.
상기의 변성폴리에틸렌비닐아세테이트(Modified poly ethylene vinyl acetate)의 화학식은 ""와 같으며,Chemical formula of the modified polyethylene vinyl acetate (Modified polyethylene vinyl acetate) is " ", And
헥사메틸렌 디이소시아네이트 사이클릭 트라이머(Hexamethylene diisocyanate cyclic trimer)의 화학식은The chemical formula of hexamethylene diisocyanate cyclic trimer is
""와 같다." Is the same as "
상기 열성형접착제가 도포된 이브이에이 스폰지를 파일론 금형에 삽입한 후, 약 10분 정도의 시간 동안 130℃-170℃온도에서 50kgf/㎠-90kgf/㎠ 압력으로 가압, 가열하여 압축성형한다. 이 압축성형에 의해 제조된 것이 자외선 처리공정이 필요 없는 파일론이다. After inserting the Yves sponge coated with the thermoforming adhesive into the pylon mold, compression is performed by pressing and heating at a pressure of 50 kgf / cm 2 -90 kgf / cm 2 at a temperature of 130 ° C.-170 ° C. for about 10 minutes. Produced by this compression molding is a pylon that does not require an ultraviolet treatment step.
상기와 같은 제조방법에 의해 만들어진 파일론은 접착하기에 용이하게 표면이 개질되어 자외선 처리 공정없이 바로 밑창과의 접착공정을 하여도 우수한 접착력을 가진다.The pylon made by the manufacturing method as described above has an excellent adhesive strength even if the surface is easily modified to adhere to the sole without the UV treatment step.
이하 실시예를 통하여 본 발명을 좀 더 구체적으로 살펴보지만, 하기 예에 본 발명의 범주가 한정되는 것은 아니다.Hereinafter, the present invention will be described in more detail with reference to the following examples, but the scope of the present invention is not limited to the following examples.
이브이에이 파일론의 원재료인 이브이에이를 가교제 등과 배합하여 발포팽창한 후에, 발포된 이브이에이 스폰지를 원하는 파일론 형상보다 약 1.3배 정도 크게 재단한 후, 이 재단물에 열성형접착제를 브러쉬로 도포하였다. 상기의 열성형접착제는 유기용제에 변성폴리에틸렌비닐아세테이트(Modified poly ethylene vinyl acetate) 5% 용액에 경화제인 헥사메틸렌 디이소시아네이트 사이클릭 트라이머(Hexamethylene diisocyanate cyclic trimer) 25% 용액을 2% 첨가하여 만들었다. After foaming and expanding Yves, which is a raw material of Yves pylon, with a crosslinking agent or the like, the foamed Yves sponge was cut about 1.3 times larger than a desired pylon shape, and then a thermoforming adhesive was applied to the cut with a brush. The thermoforming adhesive was prepared by adding 2% of a 25% solution of hexamethylene diisocyanate cyclic trimer as a curing agent to a 5% solution of modified polyethylene vinyl acetate in an organic solvent.
열성형접착제가 도포된 이브이에이 스폰지를 파일론 금형에 삽입하여 약 10분 동안 140℃ 온도에서 80kgf/㎠압력을 주어 압축성형하였다. The Yves sponge coated with a thermoforming adhesive was inserted into a pylon mold and subjected to compression molding by applying 80 kgf / cm 2 pressure at 140 ° C. for about 10 minutes.
상기의 압축성형에 의해 제조된 파일론과 밑창을 도 3에 도시된 바와 같은 과정을 거쳐 접착하였다.The pylon and the sole manufactured by the compression molding were bonded through the process as shown in FIG. 3.
도 3에 나타난 실험과정에 사용된 선처리제-1(primer-1)은 변성폴리올레핀(Modified Polyolefine)계이며, 선처리제-2(primer-2)는 염소(Chlorine)계이다. 또한 PU 접착제(CEMENT)는 폴리우레탄계 접착제에 5%의 경화제(thiophosphoric-tris-(p-isocyanato-phenyl ester)를 첨가하여 만든 것을 사용하였다. 1차 건조(drying 1)는 50℃에서 3분간 건조시켰으며, 2차 건조(drying 2)는 60℃에서 5분간 건조시켰다. Pretreatment-1 used in the experimental process shown in Figure 3 (primer-1) is a modified polyolefin (Modified Polyolefine) system, pretreatment-2 (primer-2) is a chlorine (Chlorine) system. The PU adhesive (CEMENT) was made by adding a 5% hardening agent (thiophosphoric-tris- (p-isocyanato-phenyl ester) to the polyurethane adhesive. The first drying (drying 1) was dried for 3 minutes at 50 ℃ Second drying (drying 2) was dried for 5 minutes at 60 ℃.
상기의 실시예에 따라 제조된 파일론과 밑창의 접착력과 종래의 기술에 의한 자외선처리공정을 거친 파일론과 밑창의 접착력을 시간에 따라 대비한 것을 하기 표에 나타내었다. 여기서 단위는 kgf/cm이고, 인장속도는 100mm/min로 측정된 것이다. The adhesive strength of the pylon and the sole prepared according to the above embodiment and the adhesive strength of the pylon and the sole which have undergone the UV treatment process according to the prior art are shown in the following table. The unit is kgf / cm, and the tensile velocity is measured at 100 mm / min.
상기 표의 I는 초기 접착력(Initial bonding strength)으로 접착 1시간 후의 박리강도이며, F는 후기 접착력(Final bonding strength)으로 접착 1일 후의 박리강도를 나타낸 것이다. 또한 (0)는 파일론의 파괴상태가 양호한 것이고, (△)는 파일론이 부분적으로 파괴된 것을 나타낸 것이다.I in the table is the peel strength after 1 hour of adhesion as the initial bonding strength (Initial bonding strength), F is the peel strength after 1 day of adhesion with the final bonding strength (Final bonding strength). In addition, (0) indicates that the breaking state of the pylon is good, and (△) indicates that the pylon is partially destroyed.
상기 표의 결과에서 알 수 있듯이 본 발명에 의해 제조된 파일론은 기존의 자외선처리과정을 거친 파일론보다 그 접착력이 증진되었음을 확인할 수 있다. 또한 파일론의 파괴상태에서도 본 발명에 의해 제조된 파일론이 약 3개월의 시간이 지난 후에도 그 표면재질의 변성이 없어 그 파괴상태가 양호하여 접착력에 변화가 없음을 알 수 있다.As can be seen from the results of the table, it can be seen that the pylon prepared by the present invention has improved its adhesive strength compared to the conventional pylon undergoing ultraviolet treatment. In addition, even in the fracture state of the pylon, the pylon prepared according to the present invention does not change its surface material even after about three months, and thus, the fracture state is good, and thus the adhesive force does not change.
상기한 바와 같이 이루어진 본 발명에 따른 파일론 제조방법은, 접착전 처리공정인 자외선 처리공정을 거치지 않으므로 신발제조공정이 단순화 되어, 원가절감 및 그에 소요되는 인력과 시간을 줄일 수 있어 생산성이 향상되는 효과가 있고, 자외선 방출로 발생할 수 있는 인체 위해성을 제거할 수 있다. Since the pylon manufacturing method according to the present invention made as described above does not go through the ultraviolet treatment process, which is a pre-adhesion treatment process, the shoe manufacturing process is simplified, thereby reducing costs and reducing manpower and time, thereby improving productivity. It can eliminate the human risk that can be caused by ultraviolet radiation.
또한 본 발명에 의해 제조된 파일론은 그 표면개질에 의해 신발 밑창과의 접착력이 뛰어나 신발의 접착력을 향상시키는 효과가 있다. In addition, the pylon produced according to the present invention has an effect of improving the adhesive force of the shoe by excellent surface adhesion with the shoe sole by the surface modification.
도 1은 종래의 파일론 제조공정을 나타낸 개략도.1 is a schematic view showing a conventional pylon manufacturing process.
도 2는 본 발명에 따른 파일론 제조공정을 나타낸 개략도. Figure 2 is a schematic diagram showing a pylon manufacturing process according to the present invention.
도 3은 본 발명에 의해 제조된 파일론의 접착시험방법을 나타낸 개략도.Figure 3 is a schematic diagram showing the adhesion test method of the pylon prepared by the present invention.
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| KR101165803B1 (en) | 2009-11-27 | 2012-07-13 | 신화에이치 주식회사 | Composition of foam compound can adhere without UV and buffing for the sole of shoes and preparing method of foam using it |
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| KR100757773B1 (en) * | 2006-05-22 | 2007-09-11 | 김재수 | Method for shoes insole |
| CN109848586A (en) * | 2019-04-10 | 2019-06-07 | 重庆百邦微科技有限公司 | A kind of preparation method of optically focused display casing |
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