JP2005344067A - Metallic luster-toned resin molding member for writing utensil or coating tool - Google Patents

Metallic luster-toned resin molding member for writing utensil or coating tool Download PDF

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JP2005344067A
JP2005344067A JP2004167884A JP2004167884A JP2005344067A JP 2005344067 A JP2005344067 A JP 2005344067A JP 2004167884 A JP2004167884 A JP 2004167884A JP 2004167884 A JP2004167884 A JP 2004167884A JP 2005344067 A JP2005344067 A JP 2005344067A
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metallic
pearl pigment
resin
particle size
color
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Naoya Ishimura
直哉 石村
Koji Kanie
孝司 蟹江
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Pilot Ink Co Ltd
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Pilot Ink Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To obtain a metallic luster-toned resin molding member for writing utensil or a coating tool, which is excellent in terms of cost and environment, molded without selecting the shape of a member and has a high-class feeling and a metallic luster. <P>SOLUTION: A molding resin is mixed with 0.01-5.0 wt.% of pearl pigment having optical interference and 0.001-5.0 wt.% of a colorant having light transmission. The hue angle H<SB>1</SB>(do) in the color system chromaticity diagram of L<SP>*</SP>a<SP>*</SP>b<SP>*</SP>when the pearl pigment is laminated to a black substrate and measured and the hue angle H<SB>2</SB>(do) in the color system chromaticity diagram of L<SP>*</SP>a<SP>*</SP>b<SP>*</SP>when the colorant is laminated to a white substrate and measured have relation ¾H<SB>1</SB>-H<SB>2</SB>¾≤30. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は筆記又は塗布具用金属光沢調樹脂成形部材に関する。更に詳細には、視認される部分全体が統一感のある色調を呈する筆記又は塗布具用金属光沢調樹脂成形部材に関する。   The present invention relates to a metallic glossy resin molded member for writing or applicator. More specifically, the present invention relates to a metallic glossy resin molded member for writing or applicator in which the entire visible portion exhibits a uniform color tone.

従来より、金属光沢調の外観を有する筆記具部材は、成形された部材への金属粉やパール顔料を配合したインキの塗装、金属の蒸着やメッキ、金属蒸着フィルムからの転写や、金属粉やパール顔料を直接樹脂に練り込んだ後に成形することで製造されている。
特開2001−158196号公報
Traditionally, writing instrument members with a metallic luster appearance have been applied to inks containing metal powder and pearl pigments on molded parts, metal deposition and plating, transfer from metal deposition films, metal powder and pearls. It is manufactured by kneading the pigment directly into the resin and then molding it.
JP 2001-158196 A

しかしながら、塗装、金属蒸着、メッキ等により金属光沢を施した場合、製造工程が複雑となると共に、摩擦により金属光沢が剥がれてしまい商品価値が下がることがある。また、金属蒸着フィルムから転写する場合、種々の金属光沢色を施すことができるが、表面形状が凹凸を有するものには転写できないため、特定形状の部材でしか使用できない。
これに対して金属粉やパール顔料を直接樹脂に練り込んで成形する方法においては、製造工程を複雑にすることなく、部材の形状を選ばずに安価に金属光沢を付与できるものであるが、着色材を併用した場合、金属粉においては、有彩色の着色材と組合せて用いると黒ずんだ色調になってしまい所望の光沢感を付与し難いものとなり、また、パール顔料においては、所望の光沢感を付与できるものの、光の反射部分(ハイライト部)で、パール顔料の光輝性が強く発現されるため、ハイライト部と、その他の視認される部分との色調が調整され難く、好ましい色調が得難いものであった。特に、筆記具のように部品寸法が小さく、曲面部の比率が多いものに適用される部材においては、一定方向から視覚した際に同時に視認される中心部分(ハイライト部)と周辺部分との色調に統一感が無くなることで、高級感が損なわれてしまうことがあった。
However, when metallic luster is applied by painting, metal vapor deposition, plating, etc., the manufacturing process becomes complicated and the metallic luster is peeled off due to friction, which may lower the commercial value. In addition, when transferring from a metal vapor-deposited film, various metallic luster colors can be applied, but since the surface shape cannot be transferred to an uneven surface, it can be used only with a member having a specific shape.
On the other hand, in the method of kneading the metal powder and pearl pigment directly into the resin, without complicating the manufacturing process, it is possible to give a metallic luster at a low cost without choosing the shape of the member, When the colorant is used in combination, the metal powder has a dark tone when used in combination with the chromatic colorant, and the desired glossiness is difficult to impart to the pearl pigment. Although it can give a feeling of sensation, it is difficult to adjust the color tone of the highlight portion and other visible portions because the pearl pigment has a strong luster in the light reflection portion (highlight portion). It was hard to get. In particular, for members that are applied to parts with a small part size and a large ratio of curved surface parts such as writing instruments, the color tone of the central part (highlight part) and the peripheral part that are simultaneously visible when viewed from a certain direction In some cases, the sense of unity disappeared, and the sense of quality was lost.

本発明は、前記従来の問題を解決するものであって、熱可塑性樹脂中に特定の関係を有するパール顔料と着色材を配合することにより、コスト面、環境面に優れ、部材の形状を選ぶことなく成形できる、高級感のある金属光沢を有する筆記又は塗布具用金属光沢調樹脂成形部材を提供するものである。   The present invention solves the above-mentioned conventional problems, and by blending a pearl pigment having a specific relationship and a coloring material in a thermoplastic resin, it is excellent in cost and environment, and the shape of the member is selected. The present invention provides a metallic glossy resin molded member for writing or applicator having a high-grade metallic luster that can be molded without any problem.

本発明の筆記又は塗布具用金属光沢調樹脂成形部材は、成形用樹脂中に、光干渉性を有するパール顔料を0.01〜5.0重量%の範囲で配合してなると共に、光透過性を有する着色材を0.001〜5.0重量%の範囲で配合してなる樹脂組成物から成形される筆記具用金属光沢調樹脂成形部材であって、前記パール顔料を黒色支持体上に積層して測定した際のL*** 表色系色度図における色相角度H1 (°)と、前記着色材を白色支持体上に積層して測定した際のL*** 表色系色度図における色相角度H2 (°)とが、
|H1 −H2 |≦30
の関係を有することを要件とする。更に、前記樹脂組成物に、平均粒子径1〜30μmのアルミニウム粉を0.001〜1.0重量%配合してなること、前記パール顔料が、平均粒子径5〜150μmの範囲にあること、前記成形用樹脂が、ポリオレフィン系樹脂であることを要件とする。更には、金属光沢調樹脂成形部材がキャップ又は軸筒であることを要件とする。
The metallic glossy resin molded member for writing or applicator of the present invention is formed by blending a pearl pigment having light interference property in a molding resin in the range of 0.01 to 5.0% by weight and transmitting light. A metallic glossy resin molded member for a writing instrument molded from a resin composition formed by blending a colorant having a property in the range of 0.001 to 5.0% by weight, the pearl pigment being placed on a black support L * a * b * when measured by laminating and hue angle H 1 (°) in the color system chromaticity diagram, and L * a * b when measuring the colorant on a white support. * Hue angle H 2 (°) in the color system chromaticity diagram is
| H 1 −H 2 | ≦ 30
It is a requirement to have the following relationship. Furthermore, 0.001 to 1.0% by weight of aluminum powder having an average particle size of 1 to 30 μm is blended in the resin composition, and the pearl pigment is in the range of an average particle size of 5 to 150 μm. The molding resin is required to be a polyolefin resin. Furthermore, it is a requirement that the metallic glossy resin molded member is a cap or a shaft tube.

本発明により、コスト面、環境面に優れ、部材の形状を選ぶことなく成形でき、一定方向から視覚した際に視認される、パール顔料の反射光を強く発現するハイライト部分と、同時に視認される他の部分との色調を合わせることで高級感を有する筆記又は塗布具用金属光沢調樹脂成形部材を得ることができる。   According to the present invention, it is excellent in terms of cost and environment, can be molded without selecting the shape of the member, and is visually recognized at the same time as the highlight portion that expresses the reflected light of the pearl pigment strongly when viewed from a certain direction. A metallic glossy resin molded member for writing or applicator having a high-class feeling can be obtained by matching the color tone with other parts.

本発明は、成形用樹脂中に、少なくとも光干渉性を有するパール顔料と、光透過性を有する着色材とを配合してなる樹脂組成物を成形してなる筆記又は塗布具用金属光沢調樹脂成形部材に関するものである。
前記パール顔料及び着色材としては、前記パール顔料を黒色支持体上に積層して測定した際のL*** 表色系色度図における色相角度H1 (°)と、前記着色材を白色支持体上に積層して測定した際のL*** 表色系色度図における色相角度H2 (°)とが、|H1 −H2 |≦30の関係を有するものが適用される。
前記パール顔料の色相角度H1 と、着色材の色相角度H2 との差を30°以下とすることで、部材寸法が小さく、曲面部分が多い筆記具や塗布具の部材に適用した際に、パール顔料の光沢と着色材の色調とが統一感を有し、視認される部材全体が高級感のある色彩を呈することを見出した。
The present invention relates to a metallic glossy resin for writing or applicators, wherein a molding resin is molded into a resin composition comprising at least a pearl pigment having a light interference property and a colorant having a light transmittance. The present invention relates to a molded member.
Examples of the pearl pigment and the colorant include a hue angle H 1 (°) in the L * a * b * color system chromaticity diagram measured by laminating the pearl pigment on a black support, and the colorant. With a hue angle H 2 (°) in the L * a * b * color system chromaticity diagram as measured by laminating a white support on a white support | H 1 −H 2 | ≦ 30 Applies.
And hue angle H 1 of the pearl pigment, the difference between the hue angle of H 2 colorant With 30 ° or less, when the member small dimensions, is applied to the member of the curved portion is large writing instrument or applicator, It has been found that the gloss of the pearl pigment and the color tone of the colorant have a uniform feeling, and the entire visible member exhibits a high-grade color.

前記L*** 表色系色度図とは、JIS Z 8729のL*** 表色系を表す図であり、色彩色差計により得られる値(L* ;明度、a* ;赤方向の色彩、b* ;黄方向の色彩)を用いて色相角度Hを求めることができるものである。
前記色相角度Hは、a* 、b* の値により以下の関係で表される。
* >0、b* >0のとき、H=tan-1(b* /a* )〔°〕
* >0、b* <0のとき、H=360°+tan-1(b* /a* )〔°〕
* <0のとき、H=180°+tan-1(b* /a* )〔°〕
* =0、b* =0のとき、H=0°
* =0、b* >0のとき、H=90°
* =0、b* <0のとき、H=270°
尚、H1 とH2 とが、色相角度0°の軸を挟んだ値で得られる場合(即ち、330°<H1 <360°且つ0°<H2 <30°又は、0°<H1 <30°且つ330°<H2 <360°)には、a* >0、b* <0のとき、H=tan-1(b* /a* )〔°〕で与えられる。
The L * a * b * color system chromaticity diagram is a diagram representing the L * a * b * color system of JIS Z 8729, and is a value (L * ; brightness, a *) obtained by a color difference meter . The hue angle H can be obtained using a red color; b * ; a yellow color).
The hue angle H is represented by the following relationship depending on the values of a * and b * .
When a * > 0 and b * > 0, H = tan −1 (b * / a * ) [°]
When a * > 0 and b * <0, H = 360 ° + tan −1 (b * / a * ) [°]
When a * <0, H = 180 ° + tan −1 (b * / a * ) [°]
When a * = 0 and b * = 0, H = 0 °
H = 90 ° when a * = 0, b * > 0
H = 270 ° when a * = 0, b * <0
Note that when H 1 and H 2 are obtained with a value sandwiching an axis with a hue angle of 0 ° (that is, 330 ° <H 1 <360 ° and 0 ° <H 2 <30 ° or 0 ° <H 1 <30 ° and 330 ° <H 2 <360 °) are given by H = tan −1 (b * / a * ) [°] when a * > 0 and b * <0.

一般にパール顔料は、顔料粒子の表面で反射される光の色調と、顔料粒子を透過する光の色調とが補色関係にあり、支持体(下地)の色によって異なる色調を視認させるものである。前記支持体が黒色であれば透過光は吸収されるため、反射光のみの色調が視認され、支持体が白色であれば透過光は全反射されるため、反射光と透過光が同時に視認され無彩色となる。従って、パール顔料の反射光のみの色調を測定するには、黒色の支持体上にパール顔料を積層させた状態でL* 、a* 、b* を測定し、前記式より色相角度H1 が求められる。
また、本願発明に適用される着色材は光透過性を有するものであるため、着色材の色調を測定する際に、白色の支持体上に着色材を積層させた状態で測定し、色相角度H2 を求める必要がある。
In general, the pearl pigment has a complementary color relationship between the color tone of light reflected on the surface of the pigment particle and the color tone of light transmitted through the pigment particle, and makes the color tone different depending on the color of the support (base). Since the transmitted light is absorbed if the support is black, the color tone of only the reflected light is visually recognized. If the support is white, the transmitted light is totally reflected, so the reflected light and the transmitted light are visually recognized simultaneously. It becomes achromatic. Therefore, in order to measure the color tone of only the reflected light of the pearl pigment, L * , a * , b * are measured in a state where the pearl pigment is laminated on the black support, and the hue angle H 1 is calculated from the above formula. Desired.
In addition, since the coloring material applied to the present invention has light transmittance, when measuring the color tone of the coloring material, it is measured in a state where the coloring material is laminated on the white support, and the hue angle is measured. it is necessary to obtain the H 2.

前記パール顔料としては光干渉性を有するものであれば汎用のものが適用でき、例えば、天然雲母、合成雲母等の雲母、アルミナ、ガラス片等の表面に、酸化鉄や酸化チタンによるコーティングを一層以上施した金属光沢を有するものが用いられる。
前記パール顔料は、粒子径が5〜150μm、好ましくは5〜60μmのものが適用でき、筆記具部材に最適な光輝感を付与できる。粒子径が150μmより大きいと筆記具部材の表面に粒子の粗さやざらつきが感じられ、5μmより小さいと筆記具部材に輝度の高い金属光沢色を与え難くなる。
更に、前記パール顔料は、樹脂組成物全量中、0.01〜5.0重量%の範囲で配合される。0.01重量%より少ないと金属光沢感が筆記具部材全面で得られ難く、5.0重量%を越えて添加すると樹脂量の減少により筆記具部材としての強度が得られ難くなり、嵌合部での破断やクラックが生じ易くなる。
As the pearl pigment, a general-purpose pigment can be applied as long as it has optical coherence. For example, the surface of mica such as natural mica and synthetic mica, alumina, glass pieces and the like is further coated with iron oxide or titanium oxide. Those having the above-described metallic luster are used.
The pearl pigment having a particle diameter of 5 to 150 μm, preferably 5 to 60 μm, can be applied, and an optimal glitter feeling can be imparted to the writing instrument member. When the particle diameter is larger than 150 μm, the surface of the writing instrument member is rough and rough, and when it is smaller than 5 μm, it is difficult to give the writing instrument member a high-gloss metallic luster color.
Furthermore, the said pearl pigment is mix | blended in 0.01-5.0 weight% in the resin composition whole quantity. If it is less than 0.01% by weight, it is difficult to obtain a metallic luster on the entire surface of the writing instrument member, and if added over 5.0% by weight, it becomes difficult to obtain strength as a writing instrument member due to a decrease in the amount of resin. Rupture and cracks are likely to occur.

天然雲母の表面を酸化チタンで被覆したパール顔料としては、具体的には、メルク社製の商品名「イリオジン」品番:100(粒度分布10〜60μm:シルバー)、205(粒度分布10〜60μm:プラチナゴールド)、225(粒度分布10〜60μm:パールブルー)、235(粒度分布10〜60μm:パールグリーン)、エンゲルハード社製の商品名「ルミナカラーズ」品番:ルミナゴールド(粒度分布10〜48μm:金色)、ルミナレッド(粒度分布10〜48μm:メタリックレッド)、ルミナレッドブルー(粒度分布10〜48μm:メタリックブルー)、ルミナアクアブルー(粒度分布10〜48μm:メタリックブルー)、ルミナグリーン(粒度分布10〜48μm:メタリックグリーン)、ルミナターコイズ(粒度分布10〜48μm:メタリックグリーン)等を例示できる。
前記天然雲母の表面を酸化鉄で被覆、又は、酸化チタン及び酸化鉄で被覆した金属光沢を有するパール顔料としては、具体的には、メルク社製の商品名「イリオジン」品番:500(粒度分布10〜60μm:ブロンズ)、502(粒度分布10〜60μm:赤茶色)、504(粒度分布10〜60μm:ワインレッド)、505(粒度分布10〜60μm:紫色)、522(粒度分布5〜25μm:赤茶色)、524(粒度分布5〜25μm:赤色)、532(粒度分布5〜25μm:赤茶色)、534(粒度分布5〜25μm:赤色)、300(粒度分布10〜60μm:赤金色)、302(粒度分布5〜25μm:赤金色)、303(粒度分布10〜60μm:赤金色)、309(粒度分布10〜60μm:青金色)、エンゲルハード社製の商品名「ルミナブラス」等を例示できる。
Specific examples of the pearl pigment in which the surface of natural mica is coated with titanium oxide are trade names “Iriodin” manufactured by Merck & Co., product number: 100 (particle size distribution: 10 to 60 μm: silver), 205 (particle size distribution: 10 to 60 μm: Platinum Gold), 225 (particle size distribution 10-60 μm: Pearl Blue), 235 (particle size distribution 10-60 μm: Pearl Green), trade name “Lumina Colors” manufactured by Engelhard Inc. Product number: Lumina Gold (particle size distribution 10-48 μm: Gold) ), Lumina Red (particle size distribution 10 to 48 μm: metallic red), Lumina Red Blue (particle size distribution 10 to 48 μm: metallic blue), Lumina Aqua Blue (particle size distribution 10 to 48 μm: metallic blue), Lumina Green (particle size distribution 10 to 48μm: metallic green), lumina turquoise (particle size distribution) 0~48Myuemu: metallic green) and the like can be exemplified.
As the pearl pigment having a metallic luster in which the surface of the natural mica is coated with iron oxide or with titanium oxide and iron oxide, specifically, a trade name “Iriodin” manufactured by Merck & Co., product number: 500 (particle size distribution) 10-60 μm: bronze), 502 (particle size distribution: 10-60 μm: reddish brown), 504 (particle size distribution: 10-60 μm: wine red), 505 (particle size distribution: 10-60 μm: purple), 522 (particle size distribution: 5-25 μm: (Red brown), 524 (particle size distribution 5 to 25 μm: red), 532 (particle size distribution 5 to 25 μm: red brown), 534 (particle size distribution 5 to 25 μm: red), 300 (particle size distribution 10 to 60 μm: red gold), 302 (particle size distribution: 5 to 25 μm: red gold color), 303 (particle size distribution: 10 to 60 μm: red gold color), 309 (particle size distribution: 10 to 60 μm: blue gold color), a product of Engelhard It can be exemplified the name "Ruminaburasu" and the like.

前記合成雲母の表面を酸化チタンで被覆したパール顔料としては、具体的には、日本光研工業(株)製の商品名「アルティミカ」品番:SB−100(5〜30μm:銀色)、SD−100(10〜60μm:銀色)、SE−100(15〜100μm:銀色)、YB−100(5〜30μm:金色)、YD−100(10〜60μm:金色)、YE−100(15〜100μm:金色)、RD−100(10〜60μm:メタリックレッド)、RE−100(15〜100μm:メタリックレッド)、RBB−100(5〜30μm:メタリックパープル)、RBD−100(10〜60μm:メタリックパープル)、RBE−100(15〜100μm:メタリックパープル)、VB−100(5〜30μm:メタリックバイオレット)、VD−100(10〜60μm:メタリックバイオレット)、VE−100(15〜100μm:メタリックバイオレット)、BB−100(5〜30μm:メタリックブルー)、BD−100(10〜60μm:メタリックブルー)、BE−100(15〜100μm:メタリックブルー)、GB−100(5〜30μm:メタリックグリーン)、GD−100(10〜60μm:メタリックグリーン)、GE−100(15〜100μm:メタリックグリーン)等を例示できる。   Specific examples of the pearl pigment in which the surface of the synthetic mica is coated with titanium oxide include trade name “ultimica” manufactured by Nippon Koken Kogyo Co., Ltd .: SB-100 (5 to 30 μm: silver), SD- 100 (10-60 μm: silver), SE-100 (15-100 μm: silver), YB-100 (5-30 μm: gold), YD-100 (10-60 μm: gold), YE-100 (15-100 μm: Gold), RD-100 (10-60 μm: metallic red), RE-100 (15-100 μm: metallic red), RBB-100 (5-30 μm: metallic purple), RBD-100 (10-60 μm: metallic purple) , RBE-100 (15-100 μm: metallic purple), VB-100 (5-30 μm: metallic violet), VD- 00 (10-60 μm: metallic violet), VE-100 (15-100 μm: metallic violet), BB-100 (5-30 μm: metallic blue), BD-100 (10-60 μm: metallic blue), BE-100 ( Examples thereof include 15-100 μm: metallic blue), GB-100 (5-30 μm: metallic green), GD-100 (10-60 μm: metallic green), GE-100 (15-100 μm: metallic green), and the like.

前記アルミナの表面を酸化チタンで被覆したパール顔料としては、具体的には、薄片状酸化アルミニウムを芯物質とした、メルク社製の商品名「シラリック」品番:T50−10(10〜30μm:銀色)、T60−10WNT(10〜30μm:銀色)、T60−20WNT(10〜30μm:金色)、T60−24WNT(10〜30μm:メタリックグリーン)、T60−23WNT(10〜30μm:メタリックブルー)、T60−21WNT(10〜30μm:メタリックレッド)、T60−25WNT(10〜30μm:メタリックターコイズ)等を例示できる。
アルミナの表面を酸化鉄で被覆したパール顔料としては、具体的には、薄片状酸化アルミニウムを芯物質とした、メルク社製の商品名「シラリック」品番:T60−50WNT(10〜30μm:銅色)、T60−51WNT(10〜30μm:赤色)等を例示できる。
Specifically, as the pearl pigment having the surface of alumina coated with titanium oxide, a product name “Silaric” manufactured by Merck Co., Ltd., having flaky aluminum oxide as a core material, product number: T50-10 (10-30 μm: silver) ), T60-10 WNT (10-30 μm: silver), T60-20 WNT (10-30 μm: gold), T60-24 WNT (10-30 μm: metallic green), T60-23 WNT (10-30 μm: metallic blue), T60-21 WNT (10-30 μm: metallic red), T60-25WNT (10-30 μm: metallic turquoise) and the like can be exemplified.
As the pearl pigment having the surface of alumina coated with iron oxide, specifically, a product name “Silary” manufactured by Merck Co., Ltd. having a flaky aluminum oxide as a core material: T60-50WNT (10-30 μm: copper color) ), T60-51WNT (10 to 30 μm: red), and the like.

前記ガラス片の表面を酸化チタンで被覆したパール顔料としては、具体的には、鱗片状のガラス片を酸化チタンで被覆した日本板硝子(株)製の商品名「メタシャイン」品番:MC1040RS〔平均厚さ1μm、平均粒度40μm、銀色〕、MC1040RY〔平均厚さ1μm、平均粒度40μm、金色〕、MC1040RR〔平均厚さ1μm、平均粒度40μm、メタリックレッド〕、MC1040RB〔平均厚さ1μm、平均粒度40μm 、メタリックブルー〕、MC1040RG〔平均厚さ1μm、平均粒度40μm、メタリックグリーン〕、MC1020RS〔平均厚さ1μm、平均粒度20μm、銀色〕、MC1020RY〔平均厚さ1μm、平均粒度20μm、金色〕、MC1020RR〔平均厚さ1μm、平均粒度20μm、メタリックレッド〕、MC1020RB〔平均厚さ1μm、平均粒度20μm、メタリックブルー〕、ME2015PS〔平均厚さ2μm、平均粒度15μm、銀色〕、ME2025PS〔平均厚さ2μm、平均粒度25μm、銀色〕等を例示できる。   As the pearl pigment whose surface of the glass piece is coated with titanium oxide, specifically, a trade name “Metashine” manufactured by Nippon Sheet Glass Co., Ltd., in which a scaly glass piece is coated with titanium oxide: MC1040RS [Average Thickness 1 μm, average particle size 40 μm, silver color], MC1040RY (average thickness 1 μm, average particle size 40 μm, gold color), MC1040RR [average thickness 1 μm, average particle size 40 μm, metallic red], MC1040RB (average thickness 1 μm, average particle size 40 μm) , Metallic blue], MC1040RG (average thickness 1 μm, average particle size 40 μm, metallic green), MC1020RS (average thickness 1 μm, average particle size 20 μm, silver), MC1020RY (average thickness 1 μm, average particle size 20 μm, gold color), MC1020RR (average) Thickness 1μm, average particle size 20μm, metallic Cread], MC1020RB (average thickness 1 μm, average particle size 20 μm, metallic blue), ME2015PS (average thickness 2 μm, average particle size 15 μm, silver), ME2025PS (average thickness 2 μm, average particle size 25 μm, silver).

着色材としては、前記パール顔料を併用した際に充分な金属光沢を得るために、樹脂組成物中に分散した状態で光透過性を有するものが用いられる。
前記着色材としては、着色顔料、着色染料等の汎用のものが使用でき、一種又は二種以上を併用して使用できる。
前記着色材は、樹脂組成物中0.001〜5.0重量%の範囲で添加される。0.001重量%より少ないと着色効果が小さく、5.0重量%を越えて添加すると樹脂量の減少により成形性が悪化すると共に、筆記具や塗布具の部材としての強度が得られ難くなり、嵌合部において破断やクラックが生じ易くなる。
また、着色材として顔料を用いる場合、粒子径が1μm以下のものが好ましく用いられる。顔料の粒子径が1μmより大きいと可視光の波長より大きくなることから光透過性が悪くなり、金属光沢が発現し難くなる。
尚、本発明における光透過性を有する着色材とは、光透過性を有する樹脂(例えばPPランダムコポリマー、GPPS、透明ABS等)中に着色材を0.1%濃度で均一に分散し、1mm厚のプレート状に成形した成形物により、透過像が視認できるものである。
As the colorant, in order to obtain a sufficient metallic luster when the pearl pigment is used in combination, a colorant having a light transmission property in a dispersed state in the resin composition is used.
As said coloring material, general purpose things, such as a coloring pigment and a coloring dye, can be used, and it can use 1 type or in combination of 2 or more types.
The colorant is added in the range of 0.001 to 5.0% by weight in the resin composition. If the amount is less than 0.001% by weight, the coloring effect is small, and if added over 5.0% by weight, the moldability deteriorates due to a decrease in the amount of resin, and it becomes difficult to obtain strength as a member of a writing instrument or applicator, Breakage and cracks are likely to occur at the fitting portion.
Moreover, when using a pigment as a coloring material, a particle diameter of 1 micrometer or less is used preferably. When the particle diameter of the pigment is larger than 1 μm, it becomes larger than the wavelength of visible light, so that the light transmittance is deteriorated and the metallic luster is hardly exhibited.
The light-transmitting colorant in the present invention is a uniform dispersion of a colorant at a concentration of 0.1% in a light-transmitting resin (for example, PP random copolymer, GPPS, transparent ABS). A transmission image can be visually recognized by the molded product formed into a thick plate shape.

前記成形用樹脂としては、従来より汎用の熱可塑性樹脂や熱硬化性樹脂が一種、又は二種類以上で用いられる。具体的には、熱可塑性樹脂として、ポリエチレン、ポリプロピレン、ポリスチレン、ポリエチレンテレフタレート、ポリブチレンテレフタレート、ポリアセタール、ポリカーボネート、ポリメチルメタクリレート、6−ナイロン、6,6−ナイロン、アクリロニトリル−スチレン共重合樹脂、アクリロニトリル−ブタジエン−スチレン共重合樹脂、各種熱可塑性エラストマー等を挙げることができる。
熱硬化性樹脂として、ユリア、フェノール、メラミン、エポキシ、ポリブチルフタレート等を挙げることができる。
特に、樹脂物性、成形性、コスト面で優れているポリエチレン、ポリプロピレン等のポリオレフィン系樹脂が好適に用いられる。
As the molding resin, conventionally, a general-purpose thermoplastic resin or thermosetting resin is used alone or in combination of two or more. Specifically, as the thermoplastic resin, polyethylene, polypropylene, polystyrene, polyethylene terephthalate, polybutylene terephthalate, polyacetal, polycarbonate, polymethyl methacrylate, 6-nylon, 6,6-nylon, acrylonitrile-styrene copolymer resin, acrylonitrile- Examples thereof include a butadiene-styrene copolymer resin and various thermoplastic elastomers.
Examples of thermosetting resins include urea, phenol, melamine, epoxy, polybutyl phthalate, and the like.
In particular, polyolefin resins such as polyethylene and polypropylene which are excellent in resin physical properties, moldability and cost are preferably used.

前記成形用樹脂は、樹脂組成物全量中、80〜99.5重量%の割合で配合される。80重量%より少ないと筆記具や塗布具の部材に必要な強度が得られ難く、嵌合部での破断やクラックが生じ易くなり、また、99.5重量%より多いと着色材及びパール顔料の添加量が減少し、着色材による色彩やパール顔料による金属光沢が得られ難くなる。   The molding resin is blended at a ratio of 80 to 99.5% by weight in the total amount of the resin composition. If it is less than 80% by weight, it is difficult to obtain the necessary strength for the member of the writing instrument or the applicator, and breakage or cracks are likely to occur at the fitting portion. The amount added is reduced, making it difficult to obtain color due to the colorant and metallic luster due to the pearl pigment.

また、前記筆記又は塗布具部材を形成する樹脂組成物中に、アルミニウム粉を添加することにより、部材全体の輝度を高めることができ、筆記具や塗布具としての商品価値をより高いものとすることができる。
前記アルミニウム粉は、平均粒子径が1〜30μmのものが用いられる。粒子径が1μmより小さいと輝度を高め難くなり、30μmより大きいと部材の表面に粒子の粗さやざらつきが目視により感じられる。特に、製品寸法が小さく、曲面部の多い筆記具や塗布具の部材においては粒子の粗さが目立ってしまうため好ましくない。
前記アルミニウム粉は、樹脂組成物全量中、0.001〜1.0重量%の範囲で配合される。0.001重量%より少ないと輝度や隠蔽性を高める効果が得られ難く、1.0重量%を越えて添加すると彩度が著しく低下し、着色材による鮮明な色彩が得られ難くなり、黒ずんだものとなる。
In addition, by adding aluminum powder to the resin composition forming the writing or applicator member, the brightness of the entire member can be increased, and the commercial value as a writing instrument or applicator is made higher. Can do.
The aluminum powder having an average particle diameter of 1 to 30 μm is used. When the particle diameter is smaller than 1 μm, it is difficult to increase the luminance, and when it is larger than 30 μm, the roughness and roughness of the particles are visually observed on the surface of the member. In particular, in a writing instrument or applicator member having a small product size and a large number of curved surface portions, the roughness of the particles becomes conspicuous, which is not preferable.
The said aluminum powder is mix | blended in 0.001-1.0 weight% in the resin composition whole quantity. If the amount is less than 0.001% by weight, it is difficult to obtain the effect of increasing the brightness and the hiding property. If the amount exceeds 1.0% by weight, the saturation is remarkably lowered, and it becomes difficult to obtain a clear color by the coloring material. It will be.

また、必要に応じて前記樹脂組成物中に分散剤、紫外線吸収剤、酸化防止剤、安定剤、ワックス類、老化防止剤等の各種添加剤を適宜配合することができる。   In addition, various additives such as a dispersant, an ultraviolet absorber, an antioxidant, a stabilizer, a wax, and an anti-aging agent can be appropriately blended in the resin composition as necessary.

前記パール顔料及び着色材を配合した樹脂組成物を、ペレット、粉末等の形態として、射出成形、押出成形、ブロー成形、注型成形等により成形することで、ハイライト部分と、その他の視認部分との色調に統一感がある筆記又は塗布具用金属光沢調樹脂成形部材が得られる。
前記筆記又は塗布具用金属光沢調樹脂成形部材として、キャップ、軸筒、ペン芯、インキ収容管、ペン先ホルダー、グリップ、頭冠、尾栓、クリップ等の形態で使用できる。
特に、筆記具や塗布具において常に視認される部分(外装)となるキャップや軸筒に適用した際、ハイライト部分と、その他の視認部分との色調の統一感が明確となる。
By highlighting the resin composition containing the pearl pigment and the colorant in the form of pellets, powder, etc. by injection molding, extrusion molding, blow molding, cast molding, etc., and other visible parts A metallic glossy resin molded member for writing or applicator with a uniform feeling in color tone.
The metallic glossy resin molding member for writing or applicator can be used in the form of a cap, a shaft tube, a pen core, an ink containing tube, a pen tip holder, a grip, a crown, a tail plug, a clip, and the like.
In particular, when applied to a cap or an axial tube that is a part (exterior) that is always visible in a writing instrument or applicator, a sense of unity in color tone between the highlighted part and the other visible part becomes clear.

以下に実施例を示す。尚、実施例中の部は重量部である。
また、実施例中の明度及び色度は、黒色支持体としてL* =11.67、a* =−0.49、b* =0.68、白色支持体としてL* =93.45、a* =−0.02、b* =0.25のものを用い、ミノルタ株式会社製、色彩色差計CR−241により測定した。
Examples are shown below. In addition, the part in an Example is a weight part.
The brightness and chromaticity in the examples are L * = 11.67, a * = − 0.49, b * = 0.68 as a black support, L * = 93.45 as a white support, a * = − 0.02 and b * = 0.25 were used, and the color difference meter CR-241 manufactured by Minolta Co., Ltd. was used.

実施例1
天然雲母を酸化チタンで被覆した、粒径が10〜60μmの青色パール顔料(商品名:イリオジン225、メルク社製)0.1部、光透過性を有する有機青色顔料0.3部、ポリプロピレンランダムコポリマー99.5部及び分散剤0.1部とを混合し、エクストルーダーにて200℃で溶融混練し、着色ペレットとした。
尚、前記青色パール顔料を黒色支持体上に積層し、色彩色差計にて測定したL*** 表色系の数値が、a* =0.98、b* =−18.05を示し、色相角度H1 =360°+tan-1(−18.05/0.98)°=273.1°であった。
また、前記有機青色顔料を白色支持体上に積層し、色彩色差計にて測定したL*** 表色系の数値が、a* =21.35、b* =−55.95を示し、色相角度H2 =360°+tan-1(−55.95/21.35)°=290.9°であり、|H1 −H2 |=17.8の関係にあるものを用いた。
Example 1
Blue pearl pigment (trade name: Iriodin 225, manufactured by Merck & Co., Inc.) 0.1 parts coated with natural mica with titanium oxide, particle size 10 to 60 μm, 0.3 parts of organic blue pigment having light transmittance, polypropylene random 99.5 parts of the copolymer and 0.1 part of the dispersant were mixed and melt-kneaded at 200 ° C. with an extruder to obtain colored pellets.
In addition, the said blue pearl pigment was laminated | stacked on the black support body, and the numerical value of L * a * b * colorimetric system measured with the color-difference meter was a * = 0.98, b * =-18.05. The hue angle H 1 = 360 ° + tan −1 (−18.05 / 0.98) ° = 273.1 °.
The organic blue pigment was laminated on a white support, and the numerical values of L * a * b * color system measured with a color difference meter were a * = 21.35 and b * = − 55.95. A hue angle H 2 = 360 ° + tan −1 (−55.95 / 21.35) ° = 290.9 °, and a relationship of | H 1 −H 2 | = 17.8 was used. .

前記ペレットを射出成形機にて180〜200℃で成形し、直径12mmのキャップ用円筒部材とし、頭冠及びクリップを嵌め込み筆記具用キャップを得た。
得られたキャップは鮮明な青色を呈すると共に、良好な金属光沢を有しており、側面を一定方向から視覚した際、中心部の光の反射がある部分(ハイライト部)と周辺部分とが何れの箇所においても青色を呈し、色彩差による違和感がなく、質感の高い金属調を有するものであった。
The pellets were molded at 180 to 200 ° C. with an injection molding machine to form a cylindrical member for a cap having a diameter of 12 mm, and a cap for a writing instrument was obtained by fitting a head crown and a clip.
The obtained cap has a clear blue color and a good metallic luster. When the side surface is viewed from a certain direction, there is a light reflection part (highlight part) in the central part and a peripheral part. In any part, it was blue, had no sense of incongruity due to a color difference, and had a metallic texture with a high texture.

実施例2
天然雲母を酸化チタンで被覆した、粒径が10〜48μmの緑色パール顔料(商品名:ルミナグリーン、エンゲルハード社製)0.5部、光透過性を有する有機緑色顔料1.0部、ポリプロピレンホモポリマー98.3部及び分散剤0.2部とを混合し、エクストルーダーにて210℃で溶融混練し、着色ペレットとした。
尚、前記緑色パール顔料を黒色支持体上に積層し、色彩色差計にて測定したL*** 表色系の数値が、a* =−10.68、b* =0.22を示し、色相角度H1 =180°+tan-1(0.22/−10.68)°=178.8°であった。
また、前記有機緑色顔料を白色支持体上に積層し、色彩色差計にて測定したL*** 表色系の数値が、a* =−48.08、b* =0.69を示し、色相角度H2 =180°+tan-1(0.69/−48.08)°=179.2°であり、|H1 −H2 |=0.4の関係にあるものを用いた。
Example 2
0.5 parts of a green pearl pigment (trade name: Lumina Green, manufactured by Engelhard) having a particle diameter of 10 to 48 μm, coated with natural mica with titanium oxide, 1.0 part of an organic green pigment having optical transparency, polypropylene 98.3 parts of the homopolymer and 0.2 part of the dispersant were mixed and melt-kneaded at 210 ° C. with an extruder to obtain colored pellets.
The green pearl pigment was laminated on a black support and the numerical values of L * a * b * color system measured with a color difference meter were a * =-10.68 and b * = 0.22. Hue angle H 1 = 180 ° + tan −1 (0.22 / −10.68) ° = 178.8 °.
Further, the organic green pigment was laminated on a white support, and the numerical values of the L * a * b * color system measured by a color difference meter were a * = − 48.08 and b * = 0.69. Hue angle H 2 = 180 ° + tan −1 (0.69 / −48.08) ° = 179.2 °, and a relationship of | H 1 −H 2 | = 0.4 was used. .

前記ペレットを射出成形機にて200℃で成形し、直径12mmのキャップ用円筒部材とし、頭冠及びクリップを嵌め込み筆記具用キャップを得た。
得られたキャップは鮮明な緑色を呈すと共に、良好な金属光沢を有しており、側面を一定方向から視覚した際、中心部の光の反射がある部分(ハイライト部)と周辺部分とが何れの箇所においても緑色を呈し、色彩差による違和感がなく、質感の高い金属調を有するものであった。
The pellet was molded at 200 ° C. with an injection molding machine to obtain a cylindrical member for a cap having a diameter of 12 mm, and a cap for a writing instrument was obtained by fitting a head crown and a clip.
The obtained cap has a clear green color and a good metallic luster. When the side surface is viewed from a certain direction, there is a light reflection part (highlight part) in the center part and a peripheral part. In any part, the color was green, there was no sense of incongruity due to the color difference, and the metal tone had a high texture.

実施例3
天然雲母を酸化鉄で被覆した、粒径が10〜60μmの暗赤色パール顔料(商品名:イリオジン504、メルク社製)0.5部、光透過性を有する有機赤色顔料1.0部、ポリプロピレンランダムコポリマー98.3部及び分散剤0.2部とを混合し、エクストルーダーにて200℃で溶融混練し、着色ペレットとした。
尚、前記暗赤色パール顔料を黒色支持体上に積層し、色彩色差計にてL*** 表色系の数値が、a* =17.10、b* =28.36を示し、色相角度H1 =tan-1(28.36/17.10)°=58.9°であった。
また、前記有機赤色顔料を白色支持体上に積層し、色彩色差計にて測定したL*** 表色系の数値が、a* =62.70、b* =50.65を示し、色相角度H2 =tan-1(50.65/62.70)°=38.9°であり、|H1 −H2 |=20.0の関係にあるものを用いた。
Example 3
Dark red pearl pigment (trade name: Iriodin 504, manufactured by Merck & Co., Inc.) 0.5 parts coated with natural mica with iron oxide, particle size 10-60 μm, light-transmitting organic red pigment 1.0 part, polypropylene 98.3 parts of a random copolymer and 0.2 part of a dispersant were mixed and melt-kneaded with an extruder at 200 ° C. to obtain colored pellets.
The dark red pearl pigment was laminated on the black support, and the numerical values of L * a * b * color system were a * = 17.10 and b * = 28.36 using a color difference meter. The hue angle H 1 = tan −1 (28.36 / 17.10) ° = 58.9 °.
The organic red pigment was laminated on a white support, and the numerical values of the L * a * b * color system measured with a color difference meter were a * = 62.70 and b * = 50.65. The hue angle H 2 = tan −1 (50.65 / 6.70) ° = 38.9 ° and | H 1 −H 2 | = 20.0 was used.

前記ペレットを射出成形機にて180〜200℃で成形し、直径12mmの軸筒を得た。
得られた軸筒は鮮明な赤色を呈すると共に、良好な金属光沢を有しており、側面を一定方向から視覚した際、中心部の光の反射がある部分(ハイライト部)と周辺部分とが何れの箇所においても赤色を呈し、色彩差による違和感がなく、質感の高い金属調を有するものであった。
The pellets were molded at 180 to 200 ° C. with an injection molding machine to obtain a shaft cylinder having a diameter of 12 mm.
The obtained shaft tube has a clear red color and a good metallic luster. When the side surface is viewed from a certain direction, there is a light reflection part (highlight part) at the center part and a peripheral part. However, it exhibited red in any part, had no sense of incongruity due to the color difference, and had a metallic texture with a high texture.

実施例4
天然雲母を酸化チタンで被覆した、粒径が10〜60μmの紫色パール顔料(商品名:イリオジン223、メルク社製)0.1部、光透過性を有する有機紫色顔料0.3部、ポリプロピレンランダムコポリマー99.5部及び分散剤0.1部とを混合し、エクストルーダーにて200℃で溶融混練し、着色ペレットとした。
尚、前記紫色パール顔料を黒色支持体上に積層し、色彩色差計にてL*** 表色系の数値が、a* =16.52、b* =−16.63を示し、色相角度H1 =360°+tan-1(−16.63/16.52)°=314.8°であった。
また、前記有機紫色顔料を白色支持体上に積層し、色彩色差計にて測定したL*** 表色系の数値が、a* =27.78、b* =−27.95を示し、色相角度H2 =360°+tan-1(−27.95/27.78)°=314.3°であり、|H1 −H2 |=0.5の関係にあるものを用いた。
Example 4
Purple pearl pigment (trade name: Iriodin 223, manufactured by Merck & Co., Inc.) 0.1 parts coated with natural mica with titanium oxide, particle size 10 to 60 μm, 0.3 parts of organic purple pigment having light transmittance, polypropylene random 99.5 parts of the copolymer and 0.1 part of the dispersant were mixed and melt-kneaded at 200 ° C. with an extruder to obtain colored pellets.
The purple pearl pigment was laminated on a black support, and the numerical values of L * a * b * color system were a * = 16.52 and b * = − 16.63 with a color difference meter. Hue angle H 1 = 360 ° + tan −1 (−16.63 / 16.52) ° = 314.8 °.
The organic purple pigment was laminated on a white support, and the numerical values of L * a * b * color system measured with a color difference meter were a * = 27.78 and b * = − 27.95. A hue angle H 2 = 360 ° + tan −1 (−27.95 / 27.78) ° = 314.3 °, and a relationship of | H 1 −H 2 | = 0.5 was used. .

前記ペレットを射出成形機にて180〜200℃で成形し、直径12mmの塗布具用キャップを得た。
得られたキャップは鮮明な紫色を呈すると共に、良好な金属光沢を有しており、側面を一定方向から視覚した際、中心部の光の反射がある部分(ハイライト部)と周辺部分とが何れの箇所においても紫色を呈し、色彩差による違和感がなく、質感の高い金属調を有するものであった。
The pellets were molded at 180 to 200 ° C. with an injection molding machine to obtain an applicator cap with a diameter of 12 mm.
The obtained cap has a clear purple color and a good metallic luster. When the side surface is viewed from a certain direction, a portion where light is reflected at the center (highlight portion) and a peripheral portion are separated. In any part, it was purple, had no sense of incongruity due to color difference, and had a metallic texture with a high texture.

実施例5
天然雲母を酸化チタンで被覆した、粒径が10〜60μmの青色パール顔料(商品名:イリオジン225、メルク社製)0.1部、光透過性を有する有機青色顔料0.3部、平均粒子径が25μmのアルミニウム粉0.05部、ポリプロピレンランダムコポリマー99.45部及び分散剤0.1部とを混合し、エクストルーダーにて200℃で溶融混練し、着色ペレットとした。
尚、前記紫色パール顔料を黒色支持体上に積層し、色彩色差計にてL*** 表色系の数値が、a* =0.98、 b* =−18.05を示し、色相角度H1 =360°+tan-1(−18.05/0.98)°=273.1°であった。
また、前記有機青色顔料を白色支持体上に積層し、色彩色差計にて測定したL*** 表色系の数値が、a* =21.35、b* =−55.95を示し、色相角度H2 =360°+tan-1(−55.95/21.35)°=290.9°であり、|H1 −H2 |=17.8の関係にあるものを用いた。
Example 5
0.1 parts of a blue pearl pigment (trade name: Iriodin 225, manufactured by Merck & Co., Inc.) having a particle diameter of 10 to 60 μm, coated with natural mica with titanium oxide, 0.3 parts of an organic blue pigment having light transmittance, and average particles 0.05 parts of aluminum powder having a diameter of 25 μm, 99.45 parts of a polypropylene random copolymer and 0.1 part of a dispersant were mixed and melt-kneaded at 200 ° C. with an extruder to obtain colored pellets.
The purple pearl pigment was laminated on the black support, and the numerical value of L * a * b * color system was a * = 0.98, b * = − 18.05 by a color difference meter, Hue angle H 1 = 360 ° + tan −1 (−18.05 / 0.98) ° = 273.1 °.
The organic blue pigment was laminated on a white support, and the numerical values of L * a * b * color system measured with a color difference meter were a * = 21.35 and b * = − 55.95. A hue angle H 2 = 360 ° + tan −1 (−55.95 / 21.35) ° = 290.9 °, and a relationship of | H 1 −H 2 | = 17.8 was used. .

前記ペレットを射出成形機にて180〜200℃で成形し、直径11mmの軸筒及び直径12mmのキャップ用円筒部材とした。更に、前記円筒部材に頭冠及びクリップを嵌め込み筆記具用キャップとした後、ボールペンレフィールを収容した軸筒と組み付けてキャップ式ボールペンを得た。
得られたボールペンは鮮明な全体が青色を呈すると共に、良好な金属光沢を有しており、側面を一定方向から視覚した際、中心部の光の反射がある部分(ハイライト部)と周辺部分とが何れの箇所においても青色を呈し、色彩差による違和感がなく、質感の高い金属調を有するものであった。
The pellets were molded at 180 to 200 ° C. with an injection molding machine to obtain a shaft cylinder having a diameter of 11 mm and a cylindrical member for a cap having a diameter of 12 mm. Furthermore, a cap and a clip were fitted into the cylindrical member to make a writing instrument cap, and then assembled with a shaft cylinder containing a ballpoint refill to obtain a cap-type ballpoint pen.
The resulting ballpoint pen is clear and blue, and has a good metallic luster. When the side is viewed from a certain direction, there is a light reflection part (highlight part) at the center and a peripheral part. And blue in any part, no discomfort due to color difference, and has a metallic texture with a high texture.

比較例1
天然雲母を酸化チタンで被覆した、粒径が10〜60μmの紫色パール顔料(商品名:イリオジン223、メルク社製)0.1部、光透過性を有する有機青色顔料0.3部、ポリプロピレンランダムコポリマー99.5部及び分散剤0.1部とを混合し、エクストルーダーにて200℃で溶融混練し、着色ペレットとした。
尚、前記紫色パール顔料を黒色支持体上に積層し、色彩色差計にてL*** 表色系の数値が、a* =16.52、b* =−16.63を示し、色相角度H1 =360°+tan-1(−16.63/16.52)°=314.8°であった。
また、前記有機青色顔料を白色支持体上に積層し、色彩色差計にて測定したL*** 表色系の数値が、a* =−10.22、b* =−49.10を示し、色相角度H2 =180°+tan-1(−27.95/27.78)°=258.2°であり、|H1 −H2 |=56.6の関係にあるものを用いた。
Comparative Example 1
Purple pearl pigment (trade name: Iriodin 223, manufactured by Merck & Co., Inc.) 0.1 parts coated with natural mica with titanium oxide, particle size 10 to 60 μm, 0.3 parts of organic blue pigment having light transmittance, polypropylene random 99.5 parts of the copolymer and 0.1 part of the dispersant were mixed and melt-kneaded at 200 ° C. with an extruder to obtain colored pellets.
The purple pearl pigment was laminated on a black support, and the numerical values of L * a * b * color system were a * = 16.52 and b * = − 16.63 with a color difference meter. Hue angle H 1 = 360 ° + tan −1 (−16.63 / 16.52) ° = 314.8 °.
The organic blue pigment was laminated on a white support, and the numerical values of L * a * b * color system measured with a color difference meter were a * = − 10.22, b * = − 49.10. A hue angle H 2 = 180 ° + tan −1 (−27.95 / 27.78) ° = 258.2 °, and a relationship of | H 1 −H 2 | = 56.6 is used. It was.

前記ペレットを射出成形機にて180〜200℃で成形し、直径12mmのキャップ用円筒部材とし、頭冠及びクリップを嵌め込み筆記具のキャップを得た。
得られたキャップは、側面を一定方向から視覚した際、中心部の光の反射がある部分(ハイライト部)は輝度の高い紫色が視覚されるのに対し、周辺部分はスカイブルー色を呈するため色彩差による違和感があり、質感の高い金属調は得られなかった。
The pellets were molded at 180-200 ° C. with an injection molding machine to form a cylindrical member for a cap having a diameter of 12 mm, and a cap and a clip were fitted into a cap for a writing instrument.
In the obtained cap, when the side is viewed from a certain direction, the portion where light is reflected at the center (highlight portion) is visible in high-purity purple, while the peripheral portion is sky blue. Therefore, there was a sense of incongruity due to the color difference, and a high-quality metallic tone was not obtained.

比較例2
天然雲母を酸化チタンで被覆した、粒径が10〜60μmの青色パール顔料(商品名:イリオジン225、メルク社製)0.5部、光透過性を有する有機緑色顔料1.0部、ポリプロピレンランダムコポリマー98.3部及び分散剤0.2部とを混合し、エクストルーダーにて200℃で溶融混練し、着色ペレットとした。
尚、前記青色パール顔料を黒色支持体上に積層し、色彩色差計にてL*** 表色系の数値が、a* =0.98、b* =−18.05を示し、色相角度H1 =360°+tan-1(−18.05/0.98)°=273.1°であった。
また、前記有機緑色顔料を白色支持体上に積層し、色彩色差計にて測定したL*** 表色系の数値が、a* =−48.08、b* =0.69を示し、色相角度H2 =180°+tan-1(0.69/−48.08)°=179.2°であり、|H1 −H2 |=93.9の関係にあるものを用いた。
Comparative Example 2
0.5 parts of a blue pearl pigment (trade name: Iriodin 225, manufactured by Merck & Co., Inc.) having a particle diameter of 10 to 60 μm, coated with natural mica with titanium oxide, 1.0 part of an organic green pigment having light transmittance, and polypropylene random 98.3 parts of the copolymer and 0.2 part of the dispersant were mixed and melt kneaded at 200 ° C. with an extruder to obtain colored pellets.
The blue pearl pigment was laminated on the black support, and the numerical value of L * a * b * color system was a * = 0.98, b * = − 18.05 with a color difference meter, Hue angle H 1 = 360 ° + tan −1 (−18.05 / 0.98) ° = 273.1 °.
Further, the organic green pigment was laminated on a white support, and the numerical values of the L * a * b * color system measured by a color difference meter were a * = − 48.08 and b * = 0.69. A hue angle H 2 = 180 ° + tan −1 (0.69 / −48.08) ° = 179.2 °, and a relationship of | H 1 −H 2 | = 93.9 was used. .

前記ペレットを射出成形機にて180〜200℃で成形し、直径12mmのキャップ用円筒部材とし、頭冠及びクリップを嵌め込み筆記具用キャップを得た。
得られたキャップは、側面を一定方向から視覚した際、中心部の光の反射がある部分(ハイライト部)は輝度の高い青色が視覚されるのに対し、周辺部分は緑色を呈するため色彩差による違和感があり、質感の高い金属調は得られなかった。
The pellets were molded at 180 to 200 ° C. with an injection molding machine to form a cylindrical member for a cap having a diameter of 12 mm, and a cap for a writing instrument was obtained by fitting a head crown and a clip.
When the side of the obtained cap is viewed from a certain direction, the portion where the light is reflected at the center (highlight portion) is visible in high-blue, while the surrounding portion is green. There was a sense of incongruity due to the difference, and a high-quality metallic tone was not obtained.

Claims (5)

成形用樹脂中に、光干渉性を有するパール顔料を0.01〜5.0重量%の範囲で配合してなると共に、光透過性を有する着色材を0.001〜5.0重量%の範囲で配合してなる樹脂組成物から成形される筆記具用金属光沢調樹脂成形部材であって、前記パール顔料を黒色支持体上に積層して測定した際のL*** 表色系色度図における色相角度H1 (°)と、前記着色材を白色支持体上に積層して測定した際のL*** 表色系色度図における色相角度H2 (°)とが、
|H1 −H2 |≦30
の関係を有することを特徴とする筆記又は塗布具用金属光沢調樹脂成形部材。
In the molding resin, a pearl pigment having a light interference property is blended in a range of 0.01 to 5.0% by weight, and a colorant having a light transmittance is 0.001 to 5.0% by weight. A metallic glossy resin-molded member for a writing instrument molded from a resin composition blended in a range, and the L * a * b * color system when measured by laminating the pearl pigment on a black support The hue angle H 1 (°) in the chromaticity diagram and the hue angle H 2 (°) in the L * a * b * color system chromaticity diagram measured when the colorant is laminated on a white support. But,
| H 1 −H 2 | ≦ 30
Metal glossy resin molded member for writing or applicator, characterized by having the relationship
前記樹脂組成物に、平均粒子径1〜30μmのアルミニウム粉を0.001〜1.0重量%配合してなることを特徴とする請求項1記載の筆記又は塗布具用金属光沢調樹脂成形部材。   2. A metallic glossy resin molded member for writing or applicator according to claim 1, wherein 0.001 to 1.0% by weight of aluminum powder having an average particle size of 1 to 30 [mu] m is blended in the resin composition. . 前記パール顔料が、平均粒子径5〜150μmの範囲にあることを特徴とする請求項1又は2に記載の筆記又は塗布具用金属光沢調樹脂成形部材。   3. The metallic glossy resin molded member for writing or applicator according to claim 1, wherein the pearl pigment is in the range of an average particle size of 5 to 150 μm. 前記成形用樹脂が、ポリオレフィン系樹脂であることを特徴とする請求項1乃至3のいずれかに記載の筆記又は塗布具用金属光沢調樹脂成形部材。   4. The metallic glossy resin molded member for writing or applicator according to claim 1, wherein the molding resin is a polyolefin-based resin. 前記金属光沢調樹脂成形部材が、キャップ又は軸筒であることを特徴とする請求項1乃至4のいずれかに記載の筆記又は塗布具用金属光沢調樹脂成形部材。   The metallic glossy resin molded member for writing or applicator according to any one of claims 1 to 4, wherein the metallic glossy resin molded member is a cap or a shaft tube.
JP2004167884A 2004-06-07 2004-06-07 Metallic luster-toned resin molding member for writing utensil or coating tool Pending JP2005344067A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008517078A (en) * 2004-10-19 2008-05-22 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフトング Opaque plastic
JP2010202849A (en) * 2009-03-06 2010-09-16 Dainichiseika Color & Chem Mfg Co Ltd Manufacturing method of thermoplastic colored resin composition, thermoplastic colored resin composition obtained by the same and colored resin molded item
JP2010202850A (en) * 2009-03-06 2010-09-16 Dainichiseika Color & Chem Mfg Co Ltd Resin-made cap
JP2011218662A (en) * 2010-04-09 2011-11-04 Kojima Press Industry Co Ltd Metallic tone resin composition and metallic tone resin molding
JP2016010530A (en) * 2014-06-30 2016-01-21 株式会社フューチャーデバイス Unit for presentations and game machine provided therewith

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008517078A (en) * 2004-10-19 2008-05-22 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフトング Opaque plastic
JP2010202849A (en) * 2009-03-06 2010-09-16 Dainichiseika Color & Chem Mfg Co Ltd Manufacturing method of thermoplastic colored resin composition, thermoplastic colored resin composition obtained by the same and colored resin molded item
JP2010202850A (en) * 2009-03-06 2010-09-16 Dainichiseika Color & Chem Mfg Co Ltd Resin-made cap
JP2011218662A (en) * 2010-04-09 2011-11-04 Kojima Press Industry Co Ltd Metallic tone resin composition and metallic tone resin molding
JP2016010530A (en) * 2014-06-30 2016-01-21 株式会社フューチャーデバイス Unit for presentations and game machine provided therewith

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