JP2003049082A - Thermoplastic resin composition and molded article of the same - Google Patents
Thermoplastic resin composition and molded article of the sameInfo
- Publication number
- JP2003049082A JP2003049082A JP2001240619A JP2001240619A JP2003049082A JP 2003049082 A JP2003049082 A JP 2003049082A JP 2001240619 A JP2001240619 A JP 2001240619A JP 2001240619 A JP2001240619 A JP 2001240619A JP 2003049082 A JP2003049082 A JP 2003049082A
- Authority
- JP
- Japan
- Prior art keywords
- thermoplastic resin
- resin composition
- weight
- flakes
- molded article
- 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.)
- Pending
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、アルミフレークな
どを原料とするメタリック調顔料を配合した熱可塑性樹
脂組成物およびその成形品に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thermoplastic resin composition containing a metallic pigment made of aluminum flakes as a raw material and a molded article thereof.
【０００２】[0002]
【従来の技術】従来より、アルミフレークなどを原料と
するメタリック調顔料を配合した熱可塑性樹脂組成物を
用いて射出成形または押出成形を行ない、メタリック調
の成形品を得ている。2. Description of the Related Art Conventionally, injection molding or extrusion molding has been carried out using a thermoplastic resin composition containing a metallic pigment such as aluminum flake as a raw material to obtain a metallic molded article.
【０００３】[0003]
【発明が解決しようとする課題】アルミフレークなどを
原料とするメタリック調顔料のような板状フィラーを配
合した熱可塑性樹脂組成物を用いて射出成形または押出
成形を行うと、溶融樹脂が会合した部分に明らかに接合
部分と分かる線（ウエルド）が現れる。また、その下流
には流れむらが現れる。[Problems to be Solved by the Invention] When injection molding or extrusion molding is carried out using a thermoplastic resin composition containing a plate-like filler such as a metallic pigment made of aluminum flakes as a raw material, the molten resin is associated. A line (weld) that clearly appears as a junction appears in the part. In addition, the flow irregularity appears in the downstream.
【０００４】これを解消するため、特公平４−２７９３
２号公報には、熱可塑性樹脂１００容量部と最大外径１
０μｍ〜１ｍｍの任意形状の金属粒子０．１〜２０．０
容量部よりなり、前記金属粒子の平均間隙Ｄと、ウエル
ド巾ＨとがＤ≧Ｈの関係にある樹脂成形品が提案されて
いる。前記金属粒子の大きさは、最大外径が１０μｍよ
り小さいと金属調外観となり、１ｍｍより大きいと金属
粒子が樹脂との外観バランスをそこなうと記載されてい
る。In order to solve this, Japanese Patent Publication No. 4-2793
No. 2 discloses a thermoplastic resin having 100 parts by volume and a maximum outer diameter of 1
Metal particles having an arbitrary shape of 0 μm to 1 mm 0.1 to 20.0
There has been proposed a resin molded product which is composed of a capacity part and has an average gap D of the metal particles and a weld width H of D ≧ H. Regarding the size of the metal particles, it is described that if the maximum outer diameter is smaller than 10 μm, the appearance is metallic, and if it is larger than 1 mm, the metal particles impair the appearance balance with the resin.
【０００５】実際に、最大外径が１ｍｍ前後のアルミフ
レークを配合した樹脂組成物から得られる成形品は、樹
脂との外観バランスがそこなわれて銀ペン塗装のように
ぎらぎらしており、とてもメタリック調（金属調）とは
言いがたい外観を呈する。Actually, a molded product obtained from a resin composition containing aluminum flakes having a maximum outer diameter of about 1 mm is glaring like a silver pen coating because the appearance balance with the resin is impaired, It has an appearance that cannot be said to be metallic (metallic).
【０００６】本発明は、射出成形や押出成形などにおい
て、表面にウエルドや流れむら、ぎらぎら観がない成形
品が得られるメタリック調顔料を配合した熱可塑性樹脂
組成物およびその成形品を提供することを目的とする。[0006] The present invention provides a thermoplastic resin composition containing a metallic pigment and a molded article thereof, which is capable of obtaining a molded article having no welds, flow irregularities, or glare on the surface in injection molding or extrusion molding. With the goal.
【０００７】[0007]
【課題を解決するための手段】本発明による熱可塑性樹
脂組成物は、熱可塑性樹脂：９０〜９７重量％、アルミ
フレーク：０．１〜５重量％、アルミ粉：０．１〜５重
量％、ガラスフレーク：０．１〜５重量％を含むことを
特徴とする。The thermoplastic resin composition according to the present invention comprises a thermoplastic resin: 90 to 97% by weight, aluminum flakes: 0.1 to 5% by weight, aluminum powder: 0.1 to 5% by weight. , Glass flake: 0.1 to 5% by weight.
【０００８】本発明による熱可塑性樹脂組成物は、熱可
塑性樹脂：９０〜９７重量％、アルミフレーク：０．１
〜５重量％、アルミ粉：０．１〜５重量％、ガラスフレ
ーク：０．１〜５重量％、金属もしくは金属酸化物をコ
ートしたガラスフレークまたは塊状フレーク：０．１〜
３重量％を含むことを特徴とする。The thermoplastic resin composition according to the present invention has a thermoplastic resin content of 90 to 97% by weight and an aluminum flake content of 0.1.
~ 5% by weight, aluminum powder: 0.1-5% by weight, glass flakes: 0.1-5% by weight, glass flakes coated with metal or metal oxide or lump flakes: 0.1
It is characterized by containing 3% by weight.
【０００９】本発明による成形品は、上記熱可塑性樹脂
組成物を射出成形または押出成形してなるものであるこ
とを特徴とする。射出成形においては、ウェルドを目立
たなくするために金型のキャビティ表面の温度を繰り返
し上下するヒートサイクル成形法や、透明樹脂を表層と
する２色成形法などを用いることが好ましい。The molded article according to the present invention is characterized by being obtained by injection molding or extrusion molding of the above-mentioned thermoplastic resin composition. In injection molding, it is preferable to use a heat cycle molding method in which the temperature of the cavity surface of the mold is repeatedly raised and lowered in order to make the weld inconspicuous, or a two-color molding method using a transparent resin as a surface layer.
【００１０】[0010]
【発明の実施の形態】本発明の実施の形態について説明
する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described.
【００１１】本発明による熱可塑性樹脂組成物は、熱可
塑性樹脂：９０〜９７重量％、アルミフレーク：０．１
〜５重量％、アルミ粉：０．１〜５重量％、ガラスフレ
ーク：０．１〜５重量％を含むものである。The thermoplastic resin composition according to the present invention has a thermoplastic resin content of 90 to 97% by weight and an aluminum flake content of 0.1.
.About.5% by weight, aluminum powder: 0.1 to 5% by weight, and glass flakes: 0.1 to 5% by weight.
【００１２】前記熱可塑性樹脂には、結晶性あるいは非
晶性の汎用樹脂およびエンプラを含む。The thermoplastic resins include crystalline or amorphous general-purpose resins and engineering plastics.
【００１３】前記アルミフレークは、０．０５ｍｍ×
０．０５ｍｍ〜１．０ｍｍ×１．０ｍｍの、実質的に均
一な大きさのアルミニウム箔（例えば、福田金属箔工業
（株）製、商品名アストロフレーク）である。The aluminum flakes are 0.05 mm ×
It is an aluminum foil having a substantially uniform size of 0.05 mm to 1.0 mm × 1.0 mm (for example, Fukuda Metal Foil Industry Co., Ltd., trade name Astroflakes).
【００１４】前記アルミ粉は、粒状の通常市販品でよ
い。The aluminum powder may be a granular commercial product.
【００１５】前記ガラスフレークは、光を細かく分散さ
せる効果を持つものであればよく、例えば、その大きさ
が数十〜数百μｍのもの（例えば、日本板硝子（株）
製、商品名ＲＣＦ，ＲＥＦシリーズ）などが挙げられ
る。The glass flakes may be those having an effect of finely dispersing light, for example, those having a size of several tens to several hundreds of μm (for example, Nippon Sheet Glass Co., Ltd.).
Manufactured, product name RCF, REF series) and the like.
【００１６】本発明では、熱可塑性樹脂とアルミフレー
クの組成物に、アルミ粉とガラスフレークを配合してあ
って、アルミフレークと樹脂との外観バランスがそこな
われずぎらぎら観がないメタリック調の成形品が得られ
る。In the present invention, a composition of a thermoplastic resin and aluminum flakes is blended with aluminum powder and glass flakes, so that the appearance balance between the aluminum flakes and the resin is not impaired, and the appearance is metallic. A molded product is obtained.
【００１７】上記熱可塑性樹脂組成物に、金属もしくは
金属酸化物をコートしたガラスフレークまたは塊状フレ
ーク（例えば、日本板硝子製、商品名メタシャイン）を
０．１〜３重量％追加すると、深部からの光輝感が増し
て深みのある成形品が得られる。When 0.1 to 3% by weight of glass flakes or lump flakes (for example, Nippon Sheet Glass, trade name Metashine) coated with a metal or a metal oxide is added to the above-mentioned thermoplastic resin composition, it is A brilliant feeling is increased and a deep molded product can be obtained.
【００１８】上記熱可塑性樹脂組成物の成形に用いられ
る射出成形法には、通常の射出成形法の他に、射出圧縮
法、局部加振・加圧法、ガスプレス法、ガスアシスト
法、中空成形法、サンドイッチ成形法、インモールド成
形法、プッシュプル成形法、高速射出成形法を含む。The injection molding method used for molding the above-mentioned thermoplastic resin composition includes an ordinary injection molding method, an injection compression method, a local vibration / pressurization method, a gas press method, a gas assist method, and a hollow molding method. Method, sandwich molding method, in-mold molding method, push-pull molding method, high-speed injection molding method.
【００１９】上記射出成形法において、金型のキャビテ
ィ表面の温度を繰り返し上下するヒートサイクル成形
法、あるいは透明層を表層とする２色成形法を適用する
と、表面が平滑で深みのある成形品を得ることができ
る。ウエルドをさらに見えにくくするために、シボかけ
などを行うことも有効である。In the above injection molding method, when a heat cycle molding method in which the temperature of the mold cavity surface is repeatedly raised or lowered or a two-color molding method in which a transparent layer is used as a surface layer is applied, a molded product having a smooth surface and a deep surface is obtained. Obtainable. In order to make the weld more difficult to see, it is also effective to apply a texture.
【００２０】上記熱可塑性樹脂組成物の成形に用いられ
る押出成形法には、ブロー成形法、シート成形法などを
含む。The extrusion molding method used for molding the above thermoplastic resin composition includes blow molding method, sheet molding method and the like.
【００２１】[0021]
【実施例】本発明の実施例について説明する。EXAMPLES Examples of the present invention will be described.
【００２２】熱可塑性樹脂に１．０ｍｍ×１．０ｍｍの
アルミフレークを配合したものを射出成形または押出成
形すると、その成形品は、特公平４−２７９３２号公報
に記載されているように、ウエルドが見えにくくはある
が銀ペン塗装のようにぎらぎらしており、とてもメタリ
ック調（金属調）とは言いがたい外観を呈する。この外
観の悪化は、０．０５ｍｍ×０．０５ｍｍのものから現
れ始め、１．０ｍｍ×１．０ｍｍに近づくにつれてそれ
が益々ひどくなり、１ｍｍを超えるともはや実用に適し
なくなる。When a thermoplastic resin mixed with 1.0 mm × 1.0 mm aluminum flakes is injection-molded or extrusion-molded, the molded product is welded as described in Japanese Patent Publication No. 4-27932. Although it is hard to see, it looks like it is painted with a silver pen, and it has an appearance that is hard to say that it is metallic. The deterioration of the appearance starts to appear from 0.05 mm × 0.05 mm, becomes worse as it approaches 1.0 mm × 1.0 mm, and becomes more than practical for 1 mm.
【００２３】ところが、上記熱可塑性樹脂とアルミフレ
ークの組成物に、アルミ粉とガラスフレークを配合する
と、ぎらぎら観がなくなり、メタリック調の外観とな
る。これは、アルミフレークの反射光が適度に分散され
るためのようである。この状況から見て、アルミフレー
クの大きさが１．０ｍｍ×１．０ｍｍを超えても、アル
ミ粉とガラスフレークを配合すると、ぎらぎら観がなく
なり、メタリック調の外観の成形品が得られるのではな
いかと考えられる。However, when aluminum powder and glass flakes are added to the composition of the above-mentioned thermoplastic resin and aluminum flakes, glare disappears and the appearance becomes metallic. This is because the reflected light of the aluminum flakes is appropriately dispersed. From this situation, even if the size of the aluminum flakes exceeds 1.0 mm × 1.0 mm, if aluminum powder and glass flakes are blended, the glare disappears and a molded product with a metallic appearance may be obtained. It is thought that there is.
【００２４】[0024]
【発明の効果】本発明により、メタリック調顔料を配合
した熱可塑性樹脂組成物を用いた射出成形または押出成
形において、ウエルドや流れむら、ぎらぎら観のない成
形品が得ることができる。Industrial Applicability According to the present invention, in injection molding or extrusion molding using a thermoplastic resin composition containing a metallic pigment, a molded product free from welds, flow irregularities, and glare can be obtained.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｃ０８Ｋ 9/02 Ｃ０８Ｋ 9/02 ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 7 Identification code FI theme code (reference) C08K 9/02 C08K 9/02
Claims (6)
ミフレーク：０．１〜５重量％、アルミ粉：０．１〜５
重量％、ガラスフレーク：０．１〜５重量％を含む熱可
塑性樹脂組成物。1. Thermoplastic resin: 90 to 97% by weight, aluminum flakes: 0.1 to 5% by weight, aluminum powder: 0.1 to 5%
%, Glass flakes: a thermoplastic resin composition containing 0.1 to 5% by weight.
ミフレーク：０．１〜５重量％、アルミ粉：０．１〜５
重量％、ガラスフレーク：０．１〜５重量％、金属もし
くは金属酸化物をコートしたガラスフレークまたは塊状
フレーク：０．１〜３重量％を含む熱可塑性樹脂組成
物。2. Thermoplastic resin: 90 to 97% by weight, aluminum flakes: 0.1 to 5% by weight, aluminum powder: 0.1 to 5%
%, Glass flakes: 0.1 to 5% by weight, glass flakes coated with metal or metal oxide or bulk flakes: 0.1 to 3% by weight.
成物を射出成形してなる成形品。3. A molded article obtained by injection molding the thermoplastic resin composition according to claim 1.
ートサイクル成形法を適用してなる成形品。4. A molded article obtained by applying a heat cycle molding method to the injection molding according to claim 3.
色成形法を適用してなる成形品。5. The injection molding according to claim 3, wherein 2
A molded product obtained by applying the color molding method.
成物を押出成形してなる成形品。6. A molded product obtained by extrusion molding the thermoplastic resin composition according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001240619A JP2003049082A (en) | 2001-08-08 | 2001-08-08 | Thermoplastic resin composition and molded article of the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001240619A JP2003049082A (en) | 2001-08-08 | 2001-08-08 | Thermoplastic resin composition and molded article of the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003049082A true JP2003049082A (en) | 2003-02-21 |
Family
ID=19071200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001240619A Pending JP2003049082A (en) | 2001-08-08 | 2001-08-08 | Thermoplastic resin composition and molded article of the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003049082A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012004871A1 (en) * | 2010-07-07 | 2012-01-12 | Ykk株式会社 | Fastening components and slide fastener |
| US20120264869A1 (en) * | 2009-12-31 | 2012-10-18 | Cheil Industries Inc. | Thermoplastic Resin Composition and Molded Product Using the Same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08239527A (en) * | 1995-03-01 | 1996-09-17 | Toyoda Gosei Co Ltd | Highly glossy resin composition and resin molding |
| JP2000313758A (en) * | 1999-04-30 | 2000-11-14 | Japan Polychem Corp | Glittering material-containing polypropylenebased resin molded product |
| JP2001207062A (en) * | 2000-01-25 | 2001-07-31 | Ono Sangyo Kk | Thermoplastic resin composition and its molding |
-
2001
- 2001-08-08 JP JP2001240619A patent/JP2003049082A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08239527A (en) * | 1995-03-01 | 1996-09-17 | Toyoda Gosei Co Ltd | Highly glossy resin composition and resin molding |
| JP2000313758A (en) * | 1999-04-30 | 2000-11-14 | Japan Polychem Corp | Glittering material-containing polypropylenebased resin molded product |
| JP2001207062A (en) * | 2000-01-25 | 2001-07-31 | Ono Sangyo Kk | Thermoplastic resin composition and its molding |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120264869A1 (en) * | 2009-12-31 | 2012-10-18 | Cheil Industries Inc. | Thermoplastic Resin Composition and Molded Product Using the Same |
| US8946337B2 (en) | 2009-12-31 | 2015-02-03 | Cheil Industries Inc. | Thermoplastic resin composition and molded product using the same |
| WO2012004871A1 (en) * | 2010-07-07 | 2012-01-12 | Ykk株式会社 | Fastening components and slide fastener |
| US9259061B2 (en) | 2010-07-07 | 2016-02-16 | Ykk Corporation | Fastening member and slide fastener |
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