JP2006199861A - Laser beam-transmissible and colored resin composition used for laser welding - Google Patents
Laser beam-transmissible and colored resin composition used for laser welding Download PDFInfo
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- JP2006199861A JP2006199861A JP2005014160A JP2005014160A JP2006199861A JP 2006199861 A JP2006199861 A JP 2006199861A JP 2005014160 A JP2005014160 A JP 2005014160A JP 2005014160 A JP2005014160 A JP 2005014160A JP 2006199861 A JP2006199861 A JP 2006199861A
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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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
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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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1603—Laser beams characterised by the type of electromagnetic radiation
- B29C65/1612—Infrared [IR] radiation, e.g. by infrared lasers
- B29C65/1616—Near infrared radiation [NIR], e.g. by YAG lasers
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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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1629—Laser beams characterised by the way of heating the interface
- B29C65/1635—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission welding
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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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/733—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence
- B29C66/7332—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being coloured
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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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/733—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence
- B29C66/7332—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being coloured
- B29C66/73321—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being coloured both parts to be joined being coloured
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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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/733—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence
- B29C66/7336—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being opaque, transparent or translucent to visible light
- B29C66/73361—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being opaque, transparent or translucent to visible light at least one of the parts to be joined being opaque to visible light
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
本発明はレーザーによる樹脂部材の溶着に使用するレーザー光透過性の着色樹脂組成物に関する。 The present invention relates to a colored resin composition that is transparent to laser light and is used for welding resin members by laser.
従来、樹脂部材のレーザー溶着方法として、レーザー光透過性樹脂部材とレーザー光非透過性樹脂部材を重ね合わせ、レーザー光透過性樹脂部材側よりレーザー光を照射することで、これらの樹脂部材の接合面を加熱溶融させて接合させる方法が用いられている。この場合、レーザー光非透過性樹脂部材としては、レーザー光の吸収を効率的に行わせるために樹脂をレーザー光吸収性色素で黒色に着色している場合が多い。一方、レーザー光透過性樹脂部材は、レーザー光を透過させるために樹脂を着色しないか、着色しても薄い色調にしている場合が多い。このため、接合された両樹脂部材の色調が異なり、見た目に違和感を生じる部品となる場合があった。 Conventionally, as a laser welding method for resin members, a laser light transmissive resin member and a laser light non-transmissive resin member are overlapped, and laser light is irradiated from the laser light transmissive resin member side to join these resin members. A method in which the surfaces are bonded by heating and melting is used. In this case, as the laser light impermeable resin member, the resin is often colored black with a laser light absorbing dye in order to efficiently absorb the laser light. On the other hand, in many cases, the laser light transmitting resin member does not color the resin in order to transmit the laser light, or has a light color tone even when colored. For this reason, the color tone of both the resin members joined may differ, and it may become a component which produces a feeling of strangeness in appearance.
通常、可視光領域の光の波長は、３４０ｎｍ〜７００ｎｍといわれている。レーザー溶着に用いられている装置には、各種波長のレーザー光が使用されており、可視光領域に近いレーザー光を使用するものもある。例えば、８１０ｎｍのレーザー光で溶着を行う場合もある。 Usually, the wavelength of light in the visible light region is said to be 340 nm to 700 nm. Apparatuses used for laser welding use laser light of various wavelengths, and some use laser light close to the visible light region. For example, welding may be performed with a laser beam of 810 nm.
レーザー光非透過性樹脂部材では、レーザー光吸収剤として、最も安価な色素のカーボンブラックが多用されている。このため、色を合わせる観点から、レーザー光透過性樹脂部材も黒色とし、両樹脂部材間に色の違いが無ないようにすることが必要である。 In laser light non-transparent resin members, carbon black, which is the cheapest pigment, is frequently used as a laser light absorber. For this reason, from the viewpoint of matching the colors, it is necessary that the laser light transmitting resin member is also black so that there is no color difference between the two resin members.
従って、本発明の目的は、レーザー溶着によってレーザー光非透過性の黒色の樹脂部材と接合させる、該樹脂部材と同色のレーザー光透過性樹脂部材を製造するための、可視光領域の光の透過を遮断し、各種波長の溶着用レーザー光を透過する着色樹脂組成物を提供することである。 Accordingly, an object of the present invention is to transmit light in the visible light region in order to manufacture a laser light transmissive resin member having the same color as the resin member to be bonded to a laser light non-transmissive black resin member by laser welding. And providing a colored resin composition that transmits welding laser light of various wavelengths.
上記目的は以下の本発明によって達成される。
１．可視光領域で光を透過せず、近赤外領域の光の透過率が２５％以上であることを特徴とするレーザー溶着用レーザー光透過性着色樹脂組成物。
２．複数のレーザー光透過性の有彩色色素からなる黒色に着色されている前記１に記載のレーザー溶着用レーザー光透過性着色樹脂組成物。
３．樹脂が、ポリアセタールまたはポリブチレンテレフタレートである前記１または２に記載のレーザー溶着用レーザー光透過性着色樹脂組成物。
４．有彩色色素として、アンスラキノン系グリーン（Solvent Green 3）５０〜６０質量％とアンスラキノン系レッド（Solvent Red 22）５０〜４０質量％との混合物を使用した前記２に記載のレーザー溶着用レーザー光透過性着色樹脂組成物。
５．有彩色色素として、アンスラキノン系バイオレット（Solvent Violet 13）３５〜４５質量％とアンスラキノン系エロー（Solvent Yellow 163）６５〜５５質量％との混合物を使用した前記２に記載のレーザー溶着用レーザー光透過性着色樹脂組成物。
６．有彩色色素として、ペリレン系レッド（Pigment Red 149）：イソインドリノン系エロー（Pigment Yellow 110）：フタロシアニン系ブルー（Pigment Blue 15）が１：１：１（質量比）の混合物を使用した前記２に記載のレーザー溶着用レーザー光透過性着色樹脂組成物。
The above object is achieved by the present invention described below.
1. A laser-welding colored resin composition for laser welding, which does not transmit light in the visible light region and has a light transmittance in the near-infrared region of 25% or more.
2. 2. The laser beam-transmitting colored resin composition for laser welding as described in 1 above, which is colored black comprising a plurality of laser beam-transmitting chromatic pigments.
3. 3. The laser beam transmitting colored resin composition according to 1 or 2 above, wherein the resin is polyacetal or polybutylene terephthalate.
4). Laser welding laser light according to 2 above, wherein a mixture of 50 to 60% by mass of anthraquinone green (Solvent Green 3) and 50 to 40% by mass of anthraquinone red (Solvent Red 22) is used as a chromatic colorant. A permeable colored resin composition.
5. 3. Laser welding laser light as described in 2 above, wherein a mixture of 35 to 45% by mass of anthraquinone violet (Solvent Violet 13) and 65 to 55% by mass of an anthraquinone yellow (Solvent Yellow 163) is used as a chromatic pigment. A permeable colored resin composition.
6). The above-mentioned 2 using a mixture of perylene red (Pigment Red 149): isoindolinone yellow (Pigment Yellow 110): phthalocyanine blue (Pigment Blue 15) as 1: 1: 1 (mass ratio) as a chromatic colorant A laser-welding colored resin composition for laser welding as described in 1.
本発明によれば、レーザー溶着におけるレーザー光非透過性樹脂部材と同色に着色されたレーザー光透過性樹脂部材用のレーザー光透過性の着色樹脂組成物が提供される。 According to the present invention, there is provided a laser light transmissive colored resin composition for a laser light transmissive resin member colored in the same color as the laser light non-transparent resin member in laser welding.
次に本発明をさらに詳細に説明する。
本発明で使用される樹脂は、例えば、ポリアセタール、ポリブチレンテレフタレート、ポリエチレンテレフタレート、ポリエチレン、ポリプロピレン、ポリブテン−１、ポリスチレン、ＡＳ樹脂、ＡＢＳ樹脂、プロピレン−エチレン共重合体、スチレン−メチルメタクリレート共重合体、ポリエステル樹脂、ポリカーボネート樹脂（ＰＣ）、ＡＢＳ・ＰＣアロイ、ポリアミド樹脂、ポリウレタン樹脂などのレーザー光を透過させる熱可塑性樹脂が挙げられる。これらのなかでは、とくにポリアセタールおよびポリブチレンテレフタレートが好ましい。
Next, the present invention will be described in more detail.
Examples of the resin used in the present invention include polyacetal, polybutylene terephthalate, polyethylene terephthalate, polyethylene, polypropylene, polybutene-1, polystyrene, AS resin, ABS resin, propylene-ethylene copolymer, styrene-methyl methacrylate copolymer. , Thermoplastic resins that transmit laser light, such as polyester resin, polycarbonate resin (PC), ABS / PC alloy, polyamide resin, and polyurethane resin. Of these, polyacetal and polybutylene terephthalate are particularly preferable.
本発明で使用する色素は、可視光領域の光は透過させず、樹脂部材の溶着に使用するレーザー光を透過させる色素であればいずれの色素も使用でき、とくに制限されない。例えば、単品で上記の要件を満たす色素は、いずれもレーザー光を透過させるが、単品では黒色を呈さない少なくとも２種の有彩色色素を併用することで黒色を呈する色素などが挙げられる。色素の使用に際しては、色素を配合した樹脂組成物の可視光領域の光の透過率が実質的に０％で、近赤外領域の光の透過率が２５％以上となるように色素の種類と使用量を決めることが必要である。上記透過率が２５％未満ではレーザー光の透過が不十分でエネルギーロスが大きくなり、レーザー光非透過性樹脂部材とのレーザー溶着が困難となる。本発明で使用される色素としては、有機染料が好ましく、例えば、アンスラキノン系、ペリレン系、イソインドリノン系、フタロシアニン系などの染料が挙げられる。 As the dye used in the present invention, any dye can be used as long as it does not transmit light in the visible light region but transmits laser light used for welding the resin member, and is not particularly limited. For example, a single product that satisfies the above requirements includes a pigment that transmits laser light, but a single product that exhibits black by using at least two chromatic pigments that do not exhibit black. When the dye is used, the resin composition containing the dye is selected so that the light transmittance in the visible light region is substantially 0% and the light transmittance in the near infrared region is 25% or more. It is necessary to decide the usage amount. If the transmittance is less than 25%, the laser beam is not sufficiently transmitted, resulting in a large energy loss, and it becomes difficult to perform laser welding with the laser beam non-transmissive resin member. The dye used in the present invention is preferably an organic dye, and examples thereof include anthraquinone, perylene, isoindolinone, and phthalocyanine dyes.
特に好ましい色素の組み合わせは下記の通りであり、この組み合わせがレーザー光の透過性に優れ、かつカーボンブラックの色相に最も近似した色相を与える。
（１）アンスラキノン系グリーン（Solvent Green 3）５０〜６０質量％、特に５６．９質量％とアンスラキノン系レッド（Solvent Red 22）５０〜４０質量％、特に４３．１質量％との混合物。
（２）アンスラキノン系バイオレット（Solvent Violet 13）３５〜４５質量％、特に４０質量％とアンスラキノン系エロー（Solvent Yellow 163）６５〜５５質量％、特に６０質量％との混合物。
（３）ペリレン系レッド（Pigment Red 149）：イソインドリノン系エロー（Pigment Yellow 110）：フタロシアニン系ブルー（Pigment Blue 15）がほぼ等量比、特に１：１：１（質量比）の混合物。
Particularly preferred combinations of the dyes are as follows, and this combination is excellent in laser light transmittance and gives a hue that is closest to the hue of carbon black.
(1) A mixture of anthraquinone green (Solvent Green 3) 50-60% by mass, especially 56.9% by mass and anthraquinone red (Solvent Red 22) 50-40% by mass, especially 43.1% by mass.
(2) A mixture of 35 to 45% by mass, especially 40% by mass, and 65 to 55% by mass, particularly 60% by mass, of anthraquinone series violet (Solvent Violet 13).
(3) Perylene-based red (Pigment Red 149): Isoindolinone-based yellow (Pigment Yellow 110): phthalocyanine-based blue (Pigment Blue 15) is a mixture with an approximately equivalent ratio, particularly 1: 1: 1 (mass ratio).
本発明の着色樹脂組成物は、樹脂成分と色素とを従来公知の混合機で混合混練することで得ることができる。その際、本発明の着色樹脂組成物には、レーザー光の透過を阻害しない限り、各種添加剤、例えば、帯電防止剤、安定剤、酸化防止剤、ワックス類や紫外線吸収剤などを必要に応じて配合することができる。 The colored resin composition of the present invention can be obtained by mixing and kneading the resin component and the pigment with a conventionally known mixer. At that time, various additives such as an antistatic agent, a stabilizer, an antioxidant, a wax, an ultraviolet absorber and the like are added to the colored resin composition of the present invention as long as they do not inhibit the transmission of laser light. Can be blended.
以下に実施例および比較例を挙げて本発明をより具体的に説明する。なお、以下の文中の部および％は全て質量基準である。
なお、光の透過率測定は、日立製作所製分光光度計Ｕ３４００を用い、可視光領域およびレーザー波長領域での光線透過率測定を行った。また、レーザー溶着におけるレーザー光非透過性樹脂部材として、ポリアセタール１００部にカーボンブラック０．２部を配合した樹脂組成物を使用し、射出成形により形成した２ｍｍ厚のプレートを用いた。
Hereinafter, the present invention will be described in more detail with reference to Examples and Comparative Examples. In the following text, all parts and% are based on mass.
The light transmittance was measured by using a spectrophotometer U3400 manufactured by Hitachi, Ltd. and measuring light transmittance in the visible light region and the laser wavelength region. In addition, a 2 mm thick plate formed by injection molding using a resin composition in which 0.2 part of carbon black was blended with 100 parts of polyacetal was used as a laser light non-transparent resin member in laser welding.
実施例１
有彩色色素として、アンスラキノン系グリーン（Solvent Green 3）５６．９％とアンスラキノン系レッド（Solvent Red 22）４３．１％との混合物０．１部をポリアセタール樹脂１００部に配合した。この配合物を押出機により溶融混練して樹脂中に色素を十分に分散させ、ペレット状着色樹脂組成物を作製した。
得られた着色樹脂組成物を平板金型を装着した射出成形機で射出成形して５０×９０×２ｍｍのプレートを作製し、光透過率およびレーザー溶着性を評価した。結果を表１に示す。
Example 1
As a chromatic colorant, 0.1 part of a mixture of 56.9% anthraquinone green (Solvent Green 3) and 43.1% anthraquinone red (Solvent Red 22) was added to 100 parts polyacetal resin. This blend was melt-kneaded with an extruder to sufficiently disperse the pigment in the resin, thereby preparing a pellet-shaped colored resin composition.
The obtained colored resin composition was injection-molded with an injection molding machine equipped with a flat plate mold to prepare a 50 × 90 × 2 mm plate, and the light transmittance and laser weldability were evaluated. The results are shown in Table 1.
実施例２
有彩色色素として、アンスラキノン系バイオレット（Solvent Violet 13）４０％とアンスラキノン系エロー（Solvent Yellow 163）６０％との混合物を、ポリアセタール樹脂１００部に対して、０．０５部（実施例２−１）、０．１部（実施例２−２）、０．２部（実施例２−３）の割合でそれぞれ配合し、実施例１と同様にしてペレット状熱可塑性着色樹脂組成物を作製し、評価した。評価結果を表１に示す。
Example 2
As a chromatic colorant, a mixture of 40% anthraquinone violet (Solvent Violet 13) and 60% anthraquinone yellow sol (Solvent Yellow 163) is 0.05 parts (Example 2- 1), 0.1 part (Example 2-2) and 0.2 part (Example 2-3), respectively, were blended in the same manner as in Example 1 to produce a pellet-like thermoplastic colored resin composition. And evaluated. The evaluation results are shown in Table 1.
実施例３
有彩色色素として、ペリレン系レッド（Pigment Red 149）：イソインドリノン系エロー（Pigment Yellow 110）：フタロシアニン系ブルー（Pigment Blue 15）が１：１：１（質量比）の混合物を、ポリアセタール樹脂１００部に対して、０．０５部（実施例３−１）、０．１部（実施例３−２）、０．２部（実施例３−３）の割合でそれぞれ配合し、他は実施例１と同様にしてペレット状熱可塑性着色樹脂組成物を作製し、評価した。評価結果を表１に示す。
Example 3
As a chromatic pigment, a mixture of Perylene Red (Pigment Red 149): Isoindolinone Yellow (Pigment Yellow 110): Phthalocyanine Blue (Pigment Blue 15) is 1: 1: 1 (mass ratio), and polyacetal resin 100 The amount was 0.05 parts (Example 3-1), 0.1 part (Example 3-2), and 0.2 part (Example 3-3). A pellet-like thermoplastic colored resin composition was prepared and evaluated in the same manner as in Example 1. The evaluation results are shown in Table 1.
比較例１
ポリアセタール樹脂１００部に対して、カーボンブラックを０．０５部（比較例１−１）、０．１部（比較例１−２）、０．２部（比較例１−３）の割合でそれぞれ配合し、他は実施例１と同様にしてペレット状熱可塑性着色樹脂組成物を作製し、評価した。評価結果を表１に示す。
Comparative Example 1
Carbon black at a ratio of 0.05 part (Comparative Example 1-1), 0.1 part (Comparative Example 1-2), and 0.2 part (Comparative Example 1-3) with respect to 100 parts of the polyacetal resin. The other components were blended and the same as in Example 1, and a pellet-like thermoplastic colored resin composition was prepared and evaluated. The evaluation results are shown in Table 1.
比較例２
ポリアセタール樹脂に何も配合せずに実施例１と同様にして評価プレートを作製し、評価した。評価結果を表１に示す。
Comparative Example 2
An evaluation plate was prepared and evaluated in the same manner as in Example 1 without adding anything to the polyacetal resin. The evaluation results are shown in Table 1.
以上の本発明によれば、レーザー溶着におけるレーザー光非透過性樹脂部材と同色に着色されたレーザー光透過性樹脂部材用のレーザー光透過性の着色樹脂組成物が提供される。
According to the present invention described above, a laser light transmitting colored resin composition for a laser light transmitting resin member colored in the same color as the laser light non-transmitting resin member in laser welding is provided.
Claims (6)
Claims wherein a mixture of 1: 1: 1 (mass ratio) of perylene red (Pigment Red 149): isoindolinone yellow (Pigment Yellow 110): phthalocyanine blue (Pigment Blue 15) is used as the chromatic colorant. 2. A laser beam transmitting colored resin composition as described in 2 above.
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| JP2005014160A JP2006199861A (en) | 2005-01-21 | 2005-01-21 | Laser beam-transmissible and colored resin composition used for laser welding |
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