WO2010053142A1 - Résine moulée et son procédé de fabrication - Google Patents

Résine moulée et son procédé de fabrication Download PDF

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Publication number
WO2010053142A1
WO2010053142A1 PCT/JP2009/068952 JP2009068952W WO2010053142A1 WO 2010053142 A1 WO2010053142 A1 WO 2010053142A1 JP 2009068952 W JP2009068952 W JP 2009068952W WO 2010053142 A1 WO2010053142 A1 WO 2010053142A1
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WO
WIPO (PCT)
Prior art keywords
multilayer film
molded product
resin molded
texture
resin
Prior art date
Application number
PCT/JP2009/068952
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English (en)
Japanese (ja)
Inventor
英郎 秋元
高広 冨永
Original Assignee
小野産業株式会社
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Publication date
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Priority to JP2010536795A priority Critical patent/JPWO2010053142A1/ja
Publication of WO2010053142A1 publication Critical patent/WO2010053142A1/fr

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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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/78—Measuring, controlling or regulating of temperature
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
    • B29C45/14811—Multilayered 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
    • B29C45/372—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings provided with means for marking or patterning, e.g. numbering 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould

Definitions

  • the present invention relates to a resin molded product and a manufacturing method thereof.
  • resin molded products are widely used in various products such as information appliances, communication devices, household appliances, automobiles, sports equipment, and furniture.
  • the resin molded product can be molded into a relatively free shape and has various advantages such as low cost, light weight and high strength, but at least a part (especially exterior)
  • the resin gloss and the metal parts are often combined, or the resin molding is subjected to a plating treatment to obtain a metallic luster, texture, and luxury.
  • compounding with metal parts and plating treatment are performed after the molding of the resin molded product, the working time and manufacturing cost are greatly increased, and the working efficiency becomes very poor.
  • Patent Documents 1 and 2 when a multilayer plastic film including a metal thin film layer is inserted into a mold and insert-molded, the metal thin film layer having a thickness of about 200 to 800 ⁇ is formed when the multilayer plastic film is pre-molded. It is necessary to precisely set the processing conditions so that microcracks do not occur. Therefore, workability is not good. Moreover, since the transfer of the processed groove-like texture to the metal thin film layer in Patent Document 2 is performed at the time of insert molding, there is a possibility that sufficient transfer cannot be achieved. As a result, the method of Patent Document 2 has a problem that the same level of texture as a product obtained by actually grinding a metal cannot be obtained.
  • the present invention has been made in view of the above problems, and can improve the decorativeness of a lightweight and inexpensive resin molded product, for example, a resin capable of producing a metallic texture or a high-class feeling on at least a part of an exterior. It aims at providing a molded article and its manufacturing method.
  • Another object of the present invention is to provide a resin molded article capable of further improving decorativeness by satisfactorily transferring a texture containing at least one of a texture, a processed groove, or a hairline to at least a part of the exterior. And providing a manufacturing method thereof.
  • a feature of the method for producing a resin molded product of the present invention is that a multilayer film in which at least two layers of at least two kinds of polyester resins are laminated is inserted into a cavity of a mold, and the cavity is inserted into the cavity into which the multilayer film is inserted.
  • the molding material in a molten state is injected, and the molding material is solidified and integrated with the multilayer film, thereby forming a molded product in which the multilayer film is located on at least a part of the surface.
  • a texture including at least one of a texture, a processed groove, or a hairline may be formed on the entire surface or a part of the surface of the cavity that contacts the inserted multilayer film.
  • the resin molded product of the present invention is characterized by a multilayer film in which at least two layers of at least two kinds of polyester resins are laminated on at least a part of the surface, and a main body portion made of a resin integrated with the multilayer film. There is.
  • a texture including at least one of a texture, a processed groove, or a hairline may be transferred to the entire surface or a part of the multilayer film.
  • Another feature of the resin molded product of the present invention is that at least a part of the surface is formed of a polyester resin layer having a thickness of 50 ⁇ m or more, and the entire surface or a part of the polyester resin layer has a texture, a processed groove, or a hairline.
  • the texture including at least one of the above is transferred, and when the surface roughness (Ra) and the cutoff value (L) are 0.08 (mm) ⁇ L ⁇ 0.8 (mm), Ra ⁇ L / 200 It has a relationship of
  • the polyester resin layer is a laminate in which 100 or more layers of two or more kinds of polyester resins having different refractive indexes are laminated.
  • the resin molded product of the present invention comprises a polyester resin layer having a thickness of 50 ⁇ m or more at least on the surface, and at least one of a texture, a processed groove, or a hairline on the entire surface or a part of the polyester resin layer.
  • the surface roughness (Ra) of the resin molded product is 0.8 ⁇ Ram ⁇ the surface roughness (Ram) of the mold cavity for molding the resin molded product. It has a relationship of Ra ⁇ 1.2 ⁇ Ram.
  • the multilayer film located on the surface of the resin molded product can give a metallic texture, decorativeness close to that of a metal product can be obtained while maintaining strength, low cost and light weight.
  • FIG. 5 is a cross-sectional view illustrating a state in which the mold is opened and solidified and integrated to remove the multilayer film and the molding material after the state illustrated in FIG. 4. It is sectional drawing of the resin molded product which concerns on this invention.
  • FIG. 1 An outline of a method for producing a resin molded product in the present embodiment will be described with reference to the drawings.
  • a multilayer film 3 made of polyester resin is prepared, and in accordance with the shape of the inner surface of the cavity 8 of the mold made up of the movable mold 1 and the fixed mold 2 (see FIGS. 2 to 5), Pre-molded by vacuum forming or pressure forming.
  • FIG. 2 the movable mold 1 and the fixed mold 2 are opened, and the pre-shaped multilayer film 3 is inserted into the cavity 8. Then, as shown in FIGS.
  • the movable mold 1 and the fixed mold 2 are closed, and the molding material 4 that has been plasticized and melted in the cylinder of the injection molding machine 9 is put into the cavity 8 of the closed mold. Eject.
  • the molding material 4 is solidified by cooling.
  • the movable mold 1 and the fixed mold 2 are opened again, and the integrated multilayer film 3 and molding material (main body part) 4 are pushed out from the cavity 8 by ejector pins (not shown). Thereafter, the runner portion is broken to obtain the resin molded product 5 shown in FIG.
  • the resin molded product 5 is formed by using so-called insert molding, and the multilayer film 3 is disposed on the main body portion (on the outer surface) formed by injection molding of the molding material 4. It is an integrated one.
  • the multilayer film 3 located on the surface of the implementation molded product 5 is a polyester resin multilayer film in which two kinds of polyester resins having different refractive indexes are alternately laminated.
  • the multilayer film 3 is obtained by alternately laminating 100 kinds or more of two kinds of polyester resins.
  • 100 or more layers of polyethylene terephthalate having a refractive index value of 1.57 and a polyester resin having a refractive index value generally in the range of 1.50 to 1.56 are alternately laminated.
  • Such a multilayer film 3 has a high value of light reflectance on the surface in a wide wavelength region, is close to total reflection, and exhibits a metallic appearance.
  • the resin molded product 5 of the present embodiment having the multilayer film 3 on the surface has an appearance with a metallic texture.
  • the glass transition temperature of such a polyester resin multilayer film is generally measured by a DSC (Differential scanning calorimetry) method or a TMA (Thermomechanical analysis) method and is in the range of 60 ° C. to 100 ° C. .
  • the metal-like multilayer film on which 1000 or more layers of 2 or more types of resin layers currently marketed can also be used as the multilayer film 3.
  • the polyester resin contained in the multilayer film 3 includes aromatic dicarboxylic acids, alicyclic dicarboxylic acids, and alicyclics in addition to (high purity) terephthalic acid and polyethylene terephthalate, which is a condensation polymer of dimethyl terephthalate and ethylene glycol. It may contain a copolymer resin made of diol, aliphatic diol, or the like. Since the polymerization composition affects viscoelastic properties and refractive index, a polyester resin having a polymerization composition suitable for the purpose may be used.
  • the thickness of the multilayer film 3 made of the polyester resin of the present embodiment is preferably in the range of 12 to 1000 ⁇ m.
  • the multilayer film 3 has a thickness in this range, the preliminary moldability and the mold transferability are excellent.
  • a multi-layer film 3 may be provided with an anti-scratch layer, an easy adhesion layer, a printing layer, and the like.
  • a surface protective layer such as a hard coat or a colored layer for imparting design properties may be provided on the surface of the multilayer film 3.
  • a black ink is applied to the back surface side of the multilayer film 3 (opposite the design surface serving as the exterior of the resin molded product 5) to form a printed layer, the reflectance becomes higher and the metallic tone becomes more metallic. If a portion where no ink is applied is provided between the printed layers, the portion transmits light and becomes a half mirror.
  • the multilayer film 3 can be subjected to surface treatment such as primer application, corona treatment, ozone treatment, frame treatment, silicate treatment (intro treatment), etc., to increase the adhesive strength with the molding material 4. is there.
  • a fine texture (fine irregularities) 6 is provided on the surface of the cavity 8 of the movable mold 1.
  • the fine texture 7 is formed by transferring the texture 6 of the movable mold 1 onto the surface of the finished resin molded product 5. Since the surface of the resin molded product is made of the polyester resin multilayer film 3 as described above, the light beam is reflected and has a metallic texture, but the texture 7 is further processed with a matte tone or a hairline tone. It can be finished with a high-class texture that is very similar to the applied metal surface.
  • the textures 6 and 7 are shown larger than the exact scale for easy viewing.
  • a dent may be formed on the surface opposite to the texture transferred. In FIGS. The depression is not shown.
  • the movable mold 1 is provided with a heating / cooling flow path 10. And in the manufacturing method of the above-mentioned resin molded product 5, before injecting the molding material 4 into the cavity 8, at least the cavity 8 is inserted by flowing pressurized saturated steam through the heating / cooling channel 10.
  • the surface temperature in contact with the multilayer film 3 is heated to the glass transition temperature of the polyester resin constituting the multilayer film 3 or higher (for example, 100 ° C. or higher).
  • the temperature is set in the range of 80 ° C. to 130 ° C.
  • the multilayer film 3 positioned in the cavity 8 is heated to the glass transition temperature or higher and softens.
  • the softened multilayer film 3 is pressed against the surface of the cavity 8 of the movable mold 1 by the resin pressure at that time, and the shape of the texture 6 becomes the surface of the multilayer film 3. Is transcribed. Further, when the supply of steam to the heating / cooling flow path 10 is subsequently stopped and cooling water is supplied instead, the movable mold 1 is cooled, and the multilayer film 3 and the molding material 4 are also cooled and solidified. Turn into. Then, as shown in FIG. 5, the movable mold 1 and the fixed mold 2 are opened, and the resin molded product 5 can be taken out.
  • the molding material 4 can be molded in a short time, efficiently and in a good surface state.
  • the texture 6 of the movable mold 1 can be satisfactorily transferred to the surface of the multilayer film 3 by heating the movable mold 1 before the injection of the molding material 4. If such a mold is not heated, the transfer of the texture 6 becomes insufficient, and an excellent high-quality texture cannot be obtained.
  • the surface temperature of the mold cavity in contact with the multilayer film 3 is kept constant at a high temperature equal to or higher than the glass transition temperature of the multilayer film 3, a good texture 6 transfer can be realized. Deformation may occur in the product. Therefore, as described above, the movable mold 1 is cooled after the molding material 4 is filled by supplying cooling water to the heating / cooling flow path 10 and the multilayer film 3 and the molding material 4 are also cooled and solidified accordingly. It is preferable.
  • fine unevenness (texture 6) for transferring to the surface of the multilayer film 3 is formed on the entire surface or a part of the surface of the cavity 8 of the movable mold 1.
  • the texture 6 is a so-called wrinkle, a processed groove, a hairline, or the like.
  • a texture including at least one of a texture, a processing groove, or a hairline provided in a mold is formed by overlapping a plurality of irregularities having different periods. Such a texture is generally applied in a depth range of 2 to 100 ⁇ m.
  • the molding is performed by heating the surface temperature of the cavity 8 of the movable mold 1 to be equal to or higher than the glass transition temperature of the multilayer film 3, so that the cutoff value L is 0.08 to 0.8 mm.
  • Ra ⁇ 5 L / 1000 that is, Ra ⁇ L / 200.
  • the surface roughness Ra may be set to a value equal to or greater than a value obtained by multiplying a value obtained by removing the unit of the cut-off value L (mm) by 5 and adding a unit ( ⁇ m). More preferably, Ra ⁇ 7L / 1000, and further preferably Ra ⁇ L / 100.
  • the upper limit value of the surface roughness Ra is arbitrarily determined depending on the decorativeness (designability) required for the resin molded product.
  • the texture applied to the mold is faithfully transferred to the resin molded product, and the surface roughness Ra of the resin molded product is equal to the surface roughness Ram of the mold cavity (for example, a cutoff value of 0. 0).
  • the range is 0.8 times to 1.2 times of 0.1 ⁇ m to 10 ⁇ m at 08 mm. If the surface roughness Ra of the resin molded product is less than 0.8 times the surface roughness Ram of the mold cavity, a good texture cannot be obtained. Variations are likely to occur.
  • the lower limit of the surface roughness Ra of the resin molded product based on either the above-mentioned conditions Ra ⁇ L / 200 (where the cutoff value L is 0.08 to 0.8 mm) or 0.8 ⁇ Ram ⁇ Ra. A value may be determined, and an upper limit value may be determined based on a condition of Ra ⁇ 1.2 ⁇ Ram.
  • the heating temperature of the surface of the cavity 8 of the movable mold 1 is set according to the glass transition temperature and the viscoelastic property of the polyester resin constituting the multilayer film 3, it is set to at least the glass transition temperature of the polyester resin.
  • the temperature at which the loss elastic modulus of the polyester resin is 500 MPa or less is selected. That is, the storage elastic modulus of the polyester resin laminate can be obtained as temperature-dependent data using a tensile mode dynamic viscoelasticity measuring apparatus. Considering based on the data, when the ratio of the storage elastic modulus at 100 ° C. to the storage elastic modulus at 200 ° C. of the polyester resin is 10 or less, the polyester resin can be formed in a well-balanced manner at the time of pressure forming or vacuum forming.
  • the loss elastic modulus in the temperature range of 100 ° C. to 200 ° C. of the polyester resin is in the range of 500 MPa or less, the texture 6 of the movable mold 1 is easily transferred as described above. Since the transfer film 3 is composed of two or more kinds of polyester resins, the heating temperature of the movable mold 1 is set in accordance with the polyester resin having the higher temperature determined by the above-described consideration among the polyester resins. do it.
  • a heating method of the mold in addition to the method of flowing a heat medium such as steam, pressurized water, or heating oil through the heating and cooling channel 10 as described above, a method using an electric heater, a method of heating by induction heating, Further, a method of heating with a flame can be used, and a method combining these methods can also be used. Moreover, it is necessary to cool the mold after completion of injection filling until the multilayer film 3 and the molding material (main body part) 4 are cooled and solidified to such an extent that they can be taken out from the mold. As a matter of course, the lower the cooling temperature, the faster the multilayer film 3 and the molding material 4 can be taken out. As described above, the mold is generally cooled using cooling water.
  • a channel (heating / cooling channel 10) can be used. However, it is not necessarily limited to such a configuration.
  • the molding material 4 constituting a part (main body part) of the resin molded product of this embodiment, acrylic resin, polystyrene, ABS resin, polycarbonate, polyamide, polypropylene, PBT resin, polylactic acid, cyclic olefin polymer (or cyclic olefin) A copolymer) or a mixture thereof is preferably used. It is preferable that the molding material 4 has a high fluidity within a range that does not adversely affect the characteristics of the resin molded product that is the final product because the film is hardly damaged by shearing heat generation. However, other thermoplastic resins may be used. Further, these molding materials 4 include particulate or fibrous fillers, reinforcing materials such as impact resistance improving materials, coloring materials such as pigments and dyes, flame retardants, weathering stabilizers, and antioxidants. Additives such as may be added.
  • Example 1 Printed layer (colored layer) of urethane ink (TAS ink manufactured by Teikoku Mfg. Co., Ltd.) by screen printing on multilayer film 3 made of polyester resin (PICASUS188 ⁇ m manufactured by Toray Industries, Inc., glass transition temperature: 80 ° C.) (not shown) ) And a binder layer (IMB binder manufactured by Teikoku Ink Manufacturing Co., Ltd.) were formed in order.
  • the multilayer film 3 having the printing layer and the binder layer was set on an ultrahigh pressure blank molding machine manufactured by Nibling with the printing layer and the binder layer side up, and pre-shaped by pressure molding.
  • the multilayer film 3 is subjected to pressure forming under the conditions that the surface temperature of the multilayer film 3 is 120 ° C. (the heater set temperature is 200 ° C.) and the molding pressure is 10 MPa, and then the periphery of the compressed air molded product is punched. 3 was formed into a 100 mm ⁇ 50 mm rectangular shape having a concave shape with a depth of 6 mm and an arc having a radius of 5 mm at the corner.
  • the multilayer film 3 preliminarily shaped in this way was inserted into the cavity 8 of a mold (for example, the movable mold 1).
  • an ABS resin ST120 manufactured by Nippon A & L Co., Ltd., melt volume flow rate: 29 (measurement conditions: 220 ° C., 10 kg)
  • the shape of the cavity 8 is a rectangular shape of 100 mm ⁇ 50 mm having a concave shape with a depth of 6 mm and an arc with a radius of 5 mm at the corners, which matches the preshaped multilayer film 3.
  • the manufactured resin molded product 5 has the same shape and a thickness of 1.5 mm.
  • Example 2 The surface temperature of the cavity 8 is kept constant at 100 ° C., and similarly to Example 1 described above, the pre-shaped multilayer film 3 having the printing layer and the binder layer and the molding material 4 made of ABS resin are used. Insert molding was performed to obtain a resin molded product.
  • Example 3 The surface temperature of the cavity 8 is kept constant at 50 ° C., and similarly to Example 1 described above, the pre-shaped multilayer film 3 having the printing layer and the binder layer and the molding material 4 made of ABS resin are used. Insert molding was performed to obtain a resin molded product.
  • Table 1 shows the results of evaluating the resin molded products 5 produced in Examples 1 to 3 described above.
  • Example 3 when the cut-off value L is 0.08 mm, the surface roughness Ra of the molded product is 0.38 ⁇ m, and Ra ⁇ L / 200, which is undesirable shine (useless gloss). occured. Further, in Example 1, since the mold is cooled, there is an effect that deformation of the resin molded product can be prevented as compared with Example 2.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

L’invention concerne une résine moulée qui peut être une résine moulée légère et peu coûteuse qui présente des propriétés décoratives améliorées, par exemple, au moins une partie de l’extérieur de la résine moulée donne une apparence métallique ou une apparence de haute qualité. L’invention concerne également un procédé de fabrication de la résine moulée. Un film multicouche (3) composé de 100 couches superposées ou plus constituées d’au moins deux résines de polyester est inséré dans la cavité (8) d’un moule. Un matériau de moulage fondu (4) comprenant une résine est injecté dans la cavité (8) dans laquelle le film multicouche (3) a été inséré. Le matériau de moulage (4) est solidifié pour intégrer le film multicouche (3). Un article moulé (5) contenant le film multicouche (3) placé au moins sur certaines parties de ses surfaces est ainsi formé. Avant l’injection du matériau de moulage (4), la surface de la cavité du moule (8) qui rentre en contact avec le film multicouche (3) à insérer est chauffée à une température supérieure ou égale à la température de transition vitreuse du film multicouche (3).
PCT/JP2009/068952 2008-11-06 2009-11-06 Résine moulée et son procédé de fabrication WO2010053142A1 (fr)

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JP2010536795A JPWO2010053142A1 (ja) 2008-11-06 2009-11-06 樹脂成形品およびその製造方法

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014004998A1 (fr) * 2012-06-28 2014-01-03 Henkel Ag & Co Kgaa Procédé de fabrication d'un insert composite
KR101560275B1 (ko) * 2013-11-28 2015-10-15 유한회사 대구특수금속 수지사출 성형물을 위한 장식 디자인패턴 형성방법
CN108237660A (zh) * 2018-01-09 2018-07-03 国安瑞（北京）科技有限公司 热交换单体的制造装置和方法
CN108556246A (zh) * 2018-04-27 2018-09-21 滁州迪蒙德模具制造有限公司 一种便捷式成型模具
US10279520B2 (en) 2014-06-24 2019-05-07 Merck Patent Gmbh Process for the production of three-dimensional patterns in plastic mouldings
JP2022020762A (ja) * 2017-05-11 2022-02-01 デュポン ポリマーズ インコーポレイテッド ポリマー金属ハイブリッド物品

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0663990A (ja) * 1992-03-25 1994-03-08 Nissha Printing Co Ltd 光彩色模様付き成形品とその製造方法
JP2003245939A (ja) * 2002-02-25 2003-09-02 Nissha Printing Co Ltd キーシート部材の製造方法
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KR101560275B1 (ko) * 2013-11-28 2015-10-15 유한회사 대구특수금속 수지사출 성형물을 위한 장식 디자인패턴 형성방법
US10279520B2 (en) 2014-06-24 2019-05-07 Merck Patent Gmbh Process for the production of three-dimensional patterns in plastic mouldings
EP2960039B1 (fr) * 2014-06-24 2020-11-25 Merck Patent GmbH Procédé de mouplage par injection de production de motifs tridimensionnels dans des corps moulés en matière plastique, un tel corp moulé et l'application de tel corp moulé
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CN108237660A (zh) * 2018-01-09 2018-07-03 国安瑞（北京）科技有限公司 热交换单体的制造装置和方法
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