ES2216651A1 - Metallic molded product and method for molding - Google Patents
Metallic molded product and method for moldingInfo
- Publication number
- ES2216651A1 ES2216651A1 ES200101183A ES200101183A ES2216651A1 ES 2216651 A1 ES2216651 A1 ES 2216651A1 ES 200101183 A ES200101183 A ES 200101183A ES 200101183 A ES200101183 A ES 200101183A ES 2216651 A1 ES2216651 A1 ES 2216651A1
- Authority
- ES
- Spain
- Prior art keywords
- resin
- metallic
- compact
- provides
- glass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 7
- 238000000465 moulding Methods 0.000 title claims description 8
- 239000011347 resin Substances 0.000 claims abstract description 57
- 229920005989 resin Polymers 0.000 claims abstract description 57
- 239000000463 material Substances 0.000 claims abstract description 34
- 239000011159 matrix material Substances 0.000 claims abstract description 25
- 239000011521 glass Substances 0.000 claims abstract description 24
- 239000011247 coating layer Substances 0.000 claims abstract description 14
- 238000002844 melting Methods 0.000 claims abstract description 10
- 230000008018 melting Effects 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 1
- 229920006026 co-polymeric resin Polymers 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- B29C45/0013—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor using fillers dispersed in the moulding material, e.g. metal particles
-
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/40—Glass
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Surface Treatment Of Glass (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Compacto de tono metálico y método de formación del mismo.Compact metallic tone and formation method of the same.
La presente invención se refiere a una técnica de moldeo para un compacto de resina que está coloreado en un tono metálico.The present invention relates to a technique of molding for a resin compact that is colored in a tone metal.
En la técnica anterior, cuando se fabrica un compacto de resina coloreado en un tono metálico utilizando un troquel se mezcla una matriz de resina con un material que proporciona aspecto metálico tal como polvo o escamas de aluminio o vidrio.In the prior art, when a compact resin colored in a metallic shade using a die mixes a resin matrix with a material that provides metallic appearance such as powder or aluminum flakes or glass.
Puesto que el material metálico de aluminio tiene menos efecto, especialmente sobre una matriz de resina de color oscuro, se utiliza con frecuencia un material que proporciona aspecto metálico, tal como principalmente vidrio amorfo.Since the aluminum metallic material has less effect, especially on a color resin matrix dark, a material that provides metallic appearance, such as mainly amorphous glass.
Sin embargo, cuando se utiliza dicho vidrio amorfo como material que proporciona aspecto metálico, al fabricar un compacto de tono metálico mediante moldeo por inyección, existen problemas ya que se producen fácilmente arañazos en el troquel, se deteriora la apariencia externa del producto, y se requiere un mantenimiento frecuente, tal como el pulido del troquel.However, when such glass is used amorphous as a material that provides metallic appearance, when manufacturing a compact metal tone by injection molding, there are problems since scratches on the die easily occur, it deteriorates the external appearance of the product, and a frequent maintenance, such as die polishing.
Por lo tanto, un objeto de la presente invención es mejorar la luminosidad del color en un sistema de color oscuro utilizando vidrio y, al mismo tiempo, reducir el trabajo de mantenimiento del troquel.Therefore, an object of the present invention is to improve the brightness of the color in a dark color system using glass and at the same time reduce the work of die maintenance.
Para conseguir el objeto anteriormente mencionado de acuerdo con la presente invención, se proporciona un compacto de tono metálico constituido por resina que está coloreado en un tono metálico mezclando una matriz de resina con un material que proporciona aspecto metálico, caracterizado porque el material que proporciona aspecto metálico es un polvo de vidrio, alrededor del cual se forma una capa de revestimiento con una temperatura de fusión más alta que la de la matriz de resina.To achieve the aforementioned object In accordance with the present invention, a compact is provided metallic tone consisting of resin that is colored in a metallic tone mixing a resin matrix with a material that provides metallic appearance, characterized in that the material that provides metallic appearance is a glass powder, around the which forms a coating layer with a temperature of higher melting than that of the resin matrix.
De acuerdo con la presente invención, como se define en la reivindicación 5, se utiliza como material que proporciona aspecto metálico, polvo de vidrio alrededor del cual se forma una capa de revestimiento de resina con una temperatura de fusión más alta que la de la matriz de resina y se conforma utilizando un troquel.In accordance with the present invention, as defined in claim 5, it is used as a material that provides metallic appearance, glass dust around which it forms a resin coating layer with a temperature of fusion higher than that of the resin matrix and conforms using a die
Como polvo de vidrio, puede utilizarse un polvo en forma de laminillas.As a glass powder, a powder can be used in the form of lamellae.
De esta manera, el material que proporciona aspecto metálico provisto de la capa de revestimiento de resina formada alrededor del polvo de vidrio se mezcla con la matriz de resina para formar un material moldeable. Como resultado, incluso cuando el material moldeable se incorpora en el troquel a alta presión, la capa de revestimiento de resina sobre la superficie del material que proporciona aspecto metálico actúa como material de amortiguación y permite controlar problemas incluso cuando el vidrio amorfo entra en contacto directo con el troquel, provocando arañazos en el troquel.In this way, the material it provides metallic appearance provided with the resin coating layer formed around the glass powder is mixed with the matrix of resin to form a moldable material. As a result, even when the moldable material is incorporated into the die at high pressure, the resin coating layer on the surface of the material that provides metallic appearance acts as material of damping and allows to control problems even when the amorphous glass comes into direct contact with the die, causing scratches on the die.
Además, durante el moldeado de la resina utilizando el troquel, se genera fácilmente una marca de soldadura en una zona de confluencia de la resina como se muestra en la figura 2. En particular, cuando una matriz de resina 51 se mezcla con un material que proporciona aspecto metálico 52 tal como vidrio amorfo, la marca de soldadura tiende a ser
\hbox{prominente}. Sin embargo, cuando se proporciona una
capa de revestimiento de resina alrededor del vidrio, ello tiene
también el efecto de que la marca de soldadura no sea
prominente.Furthermore, during the molding of the resin using the die, a weld mark is easily generated in a confluence zone of the resin as shown in Figure 2. In particular, when a resin matrix 51 is mixed with a material that Provides metallic appearance 52 such as amorphous glass, the weld mark tends to be \ hbox {prominent} . However, when a resin coating layer is provided around the glass, it also has the effect that the weld mark is not prominent.
Puesto que la capa de revestimiento de resina está diseñada para que tenga una temperatura de fusión más alta que la matriz de resina, cuando la matriz de resina fundida es inyectada dentro del troquel, la capa de revestimiento de resina no se funde y puede evitar el contacto con el vidrio.Since the resin coating layer It is designed to have a higher melting temperature than the resin matrix, when the molten resin matrix is injected into the die, the resin coating layer does not It melts and can avoid contact with the glass.
En relación con esto, si el material de la matriz de resina es ABS o AES, como la temperatura de moldeo es de 200-230ºC, se puede emplear una resina acrílica o similar, cuya temperatura de fusión es superior a 300ºC, como material de resina para la capa de revestimiento de la resina.In relation to this, if the matrix material Resin is ABS or AES, as the molding temperature is 200-230 ° C, an acrylic resin or similar, whose melting temperature is greater than 300 ° C, as Resin material for the resin coating layer.
Los objetos anteriores y otros objetos, características y ventajas de la presente invención serán más evidentes a partir de la descripción siguiente considerada en combinación con los dibujos que se acompañan.The previous objects and other objects, Features and advantages of the present invention will be more evident from the following description considered in Combination with the accompanying drawings.
La figura 1 es una vista que ilustra un material que proporciona aspecto metálico de acuerdo con la presente invención; yFigure 1 is a view illustrating a material which provides metallic appearance in accordance with this invention; Y
La figura 2 es una vista que muestra la situación en que se genera una marca de soldadura en una zona de confluencia de la resina.Figure 2 is a view showing the situation in which a weld mark is generated in a confluence zone of the resin.
Ahora, se describirá una forma de realización preferida de la presente invención haciendo referencia a los dibujos adjuntos.Now, an embodiment will be described Preferred of the present invention with reference to attached drawings.
La figura 1 es una vista que ilustra un material de aspecto metálico de acuerdo con la presente invención.Figure 1 is a view illustrating a material metallic in accordance with the present invention.
Una técnica de moldeo de acuerdo con la presente invención se caracteriza porque cuando una matriz de resina se mezcla con un material que proporciona aspecto metálico para formar una pieza moldeada de resina de aspecto metálico, se utiliza polvo de vidrio amorfo para obtener una sensación de luminosidad, incluso en el caso de la matriz de resina de color oscuro, y en este caso, no es fácil que puedan producirse arañazos en el troquel.A molding technique according to the present invention is characterized because when a resin matrix is mix with a material that provides metallic appearance to form a molded piece of metal-looking resin, powder is used of amorphous glass to get a feeling of luminosity, even in the case of the dark colored resin matrix, and in this case, It is not easy for scratches to occur on the die.
A saber, como se muestra en la figura 1, el presente material que proporciona aspecto metálico 1 está provisto de una capa de revestimiento de resina 3 alrededor de un polvo de vidrio amorfo de alta luminosidad 2. Cuando el material que proporciona aspecto metálico 1 se mezcla con la matriz de resina y se conforma mediante moldeo por inyección, el material metálico 1 permite que la capa de revestimiento de resina 3 actúe como material de amortiguación para evitar que se produzcan arañazos en el troquel.Namely, as shown in Figure 1, the present material that provides metallic appearance 1 is provided of a resin coating layer 3 around a powder of high luminosity amorphous glass 2. When the material that provides metallic appearance 1 mixes with the resin matrix and is formed by injection molding, the metallic material 1 allows the resin coating layer 3 to act as cushioning material to prevent scratches in the die
Se describirá ahora un resultado de un ensayo de evaluación para arañazos en el troquel.A result of a test of evaluation for scratches on the die.
Se utilizó una resina copolimérica de un sistema de estirenos (con el nombre comercial EXCELOY HMX850) como matriz de resina. Se sometió un material moldeable, en el que el 0,15% del presente material que proporciona aspecto metálico 1 se había mezclado con la matriz de resina, a un moldeado de larga duración de 2.000 golpes a una temperatura del cilindro de 230ºC y bajo a una presión de inyección de 80 kg/cm^{2}. La inspección externa visual se llevó a cabo en los moldes después de 2.000 golpes.A copolymer resin of a system was used of styrenes (with the trade name EXCELOY HMX850) as matrix of resin. A moldable material was submitted, in which 0.15% of the present material that provides metallic appearance 1 had mixed with the resin matrix, to a long-lasting molding 2,000 strokes at a cylinder temperature of 230 ° C and below an injection pressure of 80 kg / cm2. External inspection Visual was carried out in the molds after 2,000 strokes.
Con respecto al material que proporciona aspecto metálico 1, el vidrio de alta luminosidad 2 tiene un espesor medio de 4 \mum y un diámetro medio de 45 \mum mientras que la capa de revestimiento de resina 3 es una resina acrílica y tiene un espesor medio de 0,1 \mum.With respect to the material that provides appearance metallic 1, the high luminosity glass 2 has a medium thickness of 4 µm and an average diameter of 45 µm while the layer Resin coating 3 is an acrylic resin and has a average thickness of 0.1 µm.
Además, la temperatura de fusión de la capa de revestimiento de resina 3 de esta resina acrílica es superior a 300ºC y las propiedades adhesivas del revestimiento muestran casi un 100% de resistencia a la adhesión en la proximidad de los 280ºC.In addition, the melting temperature of the layer of resin coating 3 of this acrylic resin is superior to 300 ° C and the adhesive properties of the coating show almost 100% adhesion resistance in the vicinity of 280 ° C
Como resultado, no pudo encontrarse ningún cambio externo de las piezas moldeadas después de 2.000 golpes y se confirmó además que no se generaron arañazos en el troquel.As a result, no change could be found external of the molded parts after 2,000 strokes and it It also confirmed that no scratches were generated on the die.
Bajo estas circunstancias, es de esperar que el mantenimiento, tal como el pulido del troquel, pueda reducirse en comparación con la técnica anterior.Under these circumstances, it is expected that the maintenance, such as die polishing, can be reduced by comparison with the prior art.
Además, generalmente surgen problemas en el material moldeable con el que se ha mezclado el material que proporciona aspecto metálico, tal como una marca de soldadura en la zona de confluencia de la resina dentro del troquel. Sin embargo, al utilizar el presente material que proporciona aspecto metálico 1, se confirmó también que la marca de soldadura no fue prominente.In addition, problems generally arise in the moldable material with which the material that has been mixed provides metallic appearance, such as a weld mark on the zone of confluence of the resin inside the die. Nevertheless, by using the present material that provides metallic appearance 1, it was also confirmed that the welding mark was not prominent.
Debe indicarse que la presente invención no está limitada a la forma de realización específica indicada anteriormente. Es evidente, por lo tanto, que numerosos cambios y modificaciones que tengan substancialmente la misma estructura y la misma acción y efecto que los contenidos definidos en las reivindicaciones adjuntas de la presente invención pertenecen al alcance técnico de la presente invención.It should be noted that the present invention is not limited to the specific embodiment indicated previously. It is evident, therefore, that numerous changes and modifications that have substantially the same structure and same action and effect as the contents defined in the Attached claims of the present invention pertain to technical scope of the present invention.
Por ejemplo, la clase y similares de la matriz de resina son opcionales, y la clase y similares del revestimiento de resina pueden combinarse opcionalmente si están por encima de la temperatura de fusión de la matriz de resina.For example, the class and the like of the matrix of Resin are optional, and the coating class and the like of resin can optionally be combined if they are above the melting temperature of the resin matrix.
Como se describió anteriormente, de acuerdo con la presente invención, se proporciona un compacto de tono metálico hecho de resina que está coloreado en un tono metálico mezclando una matriz de resina con un material que proporciona aspecto metálico, en el que se utiliza polvo de vidrio alrededor del cual se forma una capa de revestimiento con una temperatura de fusión más alta que la matriz de resina, como material que proporciona aspecto metálico. Por lo tanto, la capa de revestimiento de resina permite controlar los problemas por los cuales el troquel es dañado.As described above, according to the present invention, a compact metallic tone is provided made of resin that is colored in a metallic tone mixing a resin matrix with a material that provides appearance metallic, in which glass dust is used around which a coating layer is formed with a melting temperature higher than the resin matrix, as a material that provides metallic appearance Therefore, the resin coating layer allows to control the problems for which the die is damaged.
La presente invención tiene también un efecto secundario que permite dificultar la generación de la marca de soldadura en la zona de confluencia de la resina.The present invention also has an effect. secondary that makes it difficult to generate the brand of welding in the confluence zone of the resin.
Claims (6)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000-152287 | 2000-05-24 | ||
| JP2000152287A JP2001329177A (en) | 2000-05-24 | 2000-05-24 | Metallic molded product and method for molding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2216651A1 true ES2216651A1 (en) | 2004-10-16 |
| ES2216651B1 ES2216651B1 (en) | 2005-12-16 |
Family
ID=18657725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES200101183A Expired - Fee Related ES2216651B1 (en) | 2000-05-24 | 2001-05-23 | COMPACT OF METALLIC TONE AND METHOD OF FORMATION OF THE SAME. |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2001329177A (en) |
| CN (1) | CN1253494C (en) |
| ES (1) | ES2216651B1 (en) |
| ID (1) | ID30369A (en) |
| IT (1) | ITRM20010278A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5463622B2 (en) * | 2008-03-19 | 2014-04-09 | スズキ株式会社 | Metallic resin molded product manufacturing method and mold |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5712330A (en) * | 1994-10-20 | 1998-01-27 | Idemitsu Petrochemical Co., Ltd. | Styrenic resin pellet and molding produced therefrom |
| EP1022307A1 (en) * | 1999-01-20 | 2000-07-26 | TOHOKU MUNEKATA Co., Ltd. | Resin Additive |
| EP1026131A1 (en) * | 1999-02-04 | 2000-08-09 | TOHOKU MUNEKATA Co., Ltd. | Resin additive |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6164757A (en) * | 1984-09-05 | 1986-04-03 | Toagosei Chem Ind Co Ltd | Resin composition |
| JP2503486B2 (en) * | 1987-03-12 | 1996-06-05 | 日本硝子繊維株式会社 | Granular flaky glass |
| JPH02140243A (en) * | 1988-11-21 | 1990-05-29 | Showa Arumipaudaa Kk | Glittering plastic |
| JP3464370B2 (en) * | 1997-10-29 | 2003-11-10 | 日新製鋼株式会社 | Manufacturing method of pearl pigment |
| JPH11279434A (en) * | 1998-03-26 | 1999-10-12 | Hitachi Chem Co Ltd | Metallic pigment, composition for metallic tone molding product and metallic tone molding product |
| JP2000071274A (en) * | 1998-08-26 | 2000-03-07 | Toyoda Gosei Co Ltd | Resin molding |
-
2000
- 2000-05-24 JP JP2000152287A patent/JP2001329177A/en active Pending
-
2001
- 2001-05-23 ES ES200101183A patent/ES2216651B1/en not_active Expired - Fee Related
- 2001-05-23 IT IT2001RM000278A patent/ITRM20010278A1/en unknown
- 2001-05-24 CN CNB011218029A patent/CN1253494C/en not_active Expired - Fee Related
- 2001-05-25 ID IDP00200100411D patent/ID30369A/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5712330A (en) * | 1994-10-20 | 1998-01-27 | Idemitsu Petrochemical Co., Ltd. | Styrenic resin pellet and molding produced therefrom |
| EP1022307A1 (en) * | 1999-01-20 | 2000-07-26 | TOHOKU MUNEKATA Co., Ltd. | Resin Additive |
| EP1026131A1 (en) * | 1999-02-04 | 2000-08-09 | TOHOKU MUNEKATA Co., Ltd. | Resin additive |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2216651B1 (en) | 2005-12-16 |
| CN1253494C (en) | 2006-04-26 |
| ID30369A (en) | 2001-11-29 |
| ITRM20010278A1 (en) | 2002-11-25 |
| ITRM20010278A0 (en) | 2001-05-23 |
| CN1325919A (en) | 2001-12-12 |
| JP2001329177A (en) | 2001-11-27 |
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