JP2787889B2 - Polyolefin resin coloring composition - Google Patents
Polyolefin resin coloring compositionInfo
- Publication number
- JP2787889B2 JP2787889B2 JP17202293A JP17202293A JP2787889B2 JP 2787889 B2 JP2787889 B2 JP 2787889B2 JP 17202293 A JP17202293 A JP 17202293A JP 17202293 A JP17202293 A JP 17202293A JP 2787889 B2 JP2787889 B2 JP 2787889B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- parts
- polyolefin resin
- coloring composition
- pearl pigment
- 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.)
- Expired - Fee Related
Links
Landscapes
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、黄変が防止されたマイ
カ製パール顔料着色成形物を得る為のポリオレフィン樹
脂着色組成物に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a colored composition of a polyolefin resin for obtaining a mica pearl pigment colored molded product in which yellowing is prevented.
【０００２】[0002]
【従来の技術】従来、ポリオレフィン樹脂成形物に意匠
性の面からパール感を与えるべく、マイカ（電母）製パ
ール顔料が着色剤として使用されている。上記成形物
は、押出成形によるシート、ブローボトル、フィルム等
の成形物や射出成形による家電製品、雑貨等の成形物と
して広く一般に提供されている。2. Description of the Related Art Conventionally, mica pearl pigments have been used as colorants in order to give a polyolefin resin molded article a pearly appearance from the aspect of design. The above-mentioned molded products are widely and generally provided as molded products such as sheets, blow bottles and films by extrusion molding, and molded products such as home appliances and miscellaneous goods by injection molding.
【０００３】[0003]
【発明が解決しようとしている問題点】従来のポリオレ
フィン樹脂は、樹脂の酸化劣化を防止する為に酸化防止
剤等の安定剤を含有しているのが一般的である。ところ
が、酸化防止剤の中のフェノール系化合物、例えば、Ｂ
ＨＴ（２，６−ジ−第３−ブチル−４−メチルフェノー
ル）がポリオレフィン樹脂に添加されていると、長期保
存中に熱、光、温度、窒素酸化物等でフェノール系化合
物が反応し、ポリオレフィン樹脂或はその成形物の色相
を白色から黄色或はピンク色への変色させることがあ
る。更に、マイカ製パール顔料を組み合わせて使用する
と、マイカ表面を被覆しているチタンの影響で黄変が強
く促進されるという問題がある。従って、本発明の目的
は、長期保存において成形品の黄変が防止されたポリオ
レフィン樹脂着色成形物を与える着色樹脂組成物を提供
することである。Problems to be Solved by the Invention Generally, conventional polyolefin resins contain a stabilizer such as an antioxidant to prevent the resin from being oxidized and degraded. However, phenolic compounds in the antioxidant, for example, B
When HT (2,6-di-tert-butyl-4-methylphenol) is added to the polyolefin resin, the phenolic compound reacts with heat, light, temperature, nitrogen oxides, etc. during long-term storage, The color of the polyolefin resin or its molded product may be changed from white to yellow or pink. Furthermore, when a mica pearl pigment is used in combination, there is a problem that yellowing is strongly promoted under the influence of titanium coating the mica surface. Therefore, an object of the present invention is to provide a colored resin composition which gives a polyolefin resin colored molded article in which yellowing of a molded article is prevented during long-term storage.
【０００４】[0004]
【問題点を解決する為の手段】上記目的は以下の本発明
によって達成される。ポリオレフィン樹脂１００重量部
と、マイカ製パール顔料０．１〜３０重量部と、シラン
カップリング剤０．００１〜１０重量部とからなること
を特徴とするポリオレフィン樹脂着色組成物である。The above object is achieved by the present invention described below. A polyolefin resin coloring composition comprising 100 parts by weight of a polyolefin resin, 0.1 to 30 parts by weight of a mica pearl pigment, and 0.001 to 10 parts by weight of a silane coupling agent.
【０００５】[0005]
【作用】本発明者は、マイカ製パール顔料で着色したポ
リオレフィン樹脂成形物の黄変を防止する処方を種々研
究を重ねた結果、マイカ製パール顔料でポリオレフィン
樹脂を着色する際に、シランカップリング剤を配合する
ことにより、成形物の黄変が防止されることを見出し
た。The present inventors have conducted various studies on a formulation for preventing yellowing of a molded product of polyolefin resin colored with mica pearl pigment. As a result, when coloring the polyolefin resin with mica pearl pigment, silane coupling was observed. It has been found that by adding an agent, yellowing of a molded product is prevented.
【０００６】[0006]
【好ましい実施態様】次に好ましい実施態様を挙げて本
発明を更に詳細に説明する。本発明で使用するポリオレ
フィン樹脂とは、押出成形用及び射出成形用等の従来公
知のポリオレフィン樹脂であり、例えば、ポリエチレン
樹脂（比重０．９１〜０．９７、ＭＦＲ ０．０５〜５
０）及びポリプロピレン樹脂（比重０．８９〜０．９
１、ＭＦＲ０．１〜５０）を主体とする他のポリオレフ
ィン系熱可塑性樹脂及びそれらの混合物である。BEST MODE FOR CARRYING OUT THE INVENTION Next, the present invention will be described in more detail with reference to preferred embodiments. The polyolefin resin used in the present invention is a conventionally known polyolefin resin for extrusion molding, injection molding, and the like, and is, for example, a polyethylene resin (specific gravity 0.91 to 0.97, MFR 0.05 to 5
0) and polypropylene resin (specific gravity 0.89 to 0.9)
1, other polyolefin-based thermoplastic resins whose main component is MFR 0.1 to 50) and mixtures thereof.
【０００７】又、本発明で使用するマイカ製パール顔料
とは、積層構造を有する微細な雲母を主体としており、
又、パール感を更に発現させる為に、雲母をチタン処理
したパール顔料で、平均粒子径が１〜２００μｍ程度の
ものである。かかるマイカ製パール顔料は、市場から容
易に入手して本発明で使用することが出来、該パール顔
料は、前記ポリオレフイン樹脂１００重量部当たり０．
１〜３０重量部の割合で使用することが好ましい。The mica pearl pigment used in the present invention is mainly composed of fine mica having a laminated structure,
Further, in order to further develop a pearly feeling, a pearl pigment obtained by treating mica with titanium and having an average particle size of about 1 to 200 μm. Such mica pearl pigments can be easily obtained from the market and used in the present invention, and the pearl pigments are used in an amount of 0.1 to 100 parts by weight of the polyolefin resin.
It is preferable to use 1 to 30 parts by weight.
【０００８】又、本発明で使用し、本発明を特徴づける
シランカップリング剤は、下記式（Ｉ）で示されるもの
である。 Ｘ−Ｓｉ（ＯＲ）3 ………式（Ｉ） 〔式中；Ｘは有機質と反応する官能基（例えば、アミノ
基、ビニール基、エポキシ基、メルカプト基、クロル基
等）であり、ＯＲは加水分解可能な基（例えば、メトキ
シ基、エトキシ基等）である。〕The silane coupling agent used in the present invention and characterized by the present invention is represented by the following formula (I). X—Si (OR) 3 Formula (I) wherein X is a functional group that reacts with an organic substance (for example, an amino group, a vinyl group, an epoxy group, a mercapto group, a chloro group, etc.), and OR is It is a hydrolyzable group (for example, methoxy group, ethoxy group, etc.). ]
【０００９】上記シランカップリング剤の具体例として
は、例えば、メチルトリエトキシシラン、ジメチルジエ
トキシシラン、γ−クロロプロピルトリメトキシシラ
ン、γ−アミノプロピルトリエトキシシラン、Ｎ−β−
（アミノエチル）−γ−アミノプロピル−トリメトキシ
シラン、β−（３，４−エポキシシクロヘキシル）エチ
ル−トリメトキシシラン、β−（３，４−エポキシシク
ロヘキシル）エチル−トリメトキシシラン、γ−グリシ
ドオキシプロピルメトキシシラン、γ−メルカプトプロ
ピルトリメトキシシラン、γ−メタクリロキシプロピル
トリメトキシシラン、ビニルトリエトキシシラン、ビニ
ル−トリス（β−メトキシエトキシ）シラン及びビニル
トリアセトキシシラン等が挙げられる。Specific examples of the silane coupling agent include, for example, methyltriethoxysilane, dimethyldiethoxysilane, γ-chloropropyltrimethoxysilane, γ-aminopropyltriethoxysilane, N-β-
(Aminoethyl) -γ-aminopropyl-trimethoxysilane, β- (3,4-epoxycyclohexyl) ethyl-trimethoxysilane, β- (3,4-epoxycyclohexyl) ethyl-trimethoxysilane, γ-glycid Oxypropylmethoxysilane, γ-mercaptopropyltrimethoxysilane, γ-methacryloxypropyltrimethoxysilane, vinyltriethoxysilane, vinyl-tris (β-methoxyethoxy) silane, vinyltriacetoxysilane, and the like.
【００１０】これらのシランカップリング剤は、前記と
同様に市場から入手して本発明で使用することが出来
る。これらのシランカップリング剤は、前記ポリオレフ
イン樹脂１００重量部当たり０．００１〜１０重量部、
好ましくは０．０１〜５重量部の割合で使用することが
好適である。シランカップリング剤の使用量が、０．０
０１重量部未満では本発明の目的とする成形物の黄変を
防止することが出来ず、一方、１０重量部より多く含有
するものは、成形加工が容易ではなく、又、マイカ製パ
ール顔料の分散を阻害し、マイカ製パール顔料の凝集物
を多発させ、成形物が外観不良を引き起こす。These silane coupling agents can be obtained from the market as described above and used in the present invention. These silane coupling agents, 0.001 to 10 parts by weight per 100 parts by weight of the polyolefin resin,
Preferably, it is used in a proportion of 0.01 to 5 parts by weight. When the amount of the silane coupling agent used is 0.0
If the amount is less than 01 parts by weight, it is impossible to prevent the yellowing of the molded product aimed at by the present invention, while if it contains more than 10 parts by weight, the molding process is not easy, and the mica pearl pigment Dispersion is hindered, agglomerates of mica pearl pigments are frequently generated, and the molded product causes poor appearance.
【００１１】本発明のポリオレフィン樹脂着色組成物
は、上記成分を単に混合した状態でもよいし、又、例え
ば、バンバリーミキサー或は押出機等の従来公知の方法
により一旦溶融混練して造粒したペレット状でもよい。
又、マイカ製パール顔料及びシランカップリング剤の含
有量が低い場合には、いわゆるカラーコンパウンドとし
て使用し、そのまま成形に供することが出来、又、マイ
カ製パール顔料の含有量が高いものは、これを未着色樹
脂で希釈して使用する着色マスターバッチとして使用す
ることが出来る。本発明のポリオレフィン樹脂着色組成
物は上記成分以外に、他の任意の着色剤、帯電防止剤、
分散剤、紫外線吸収剤等、公知の添加剤を必要に応じて
含有することが出来る。The polyolefin resin coloring composition of the present invention may be in a state in which the above-mentioned components are simply mixed, or may be a pellet which is once melt-kneaded and granulated by a conventionally known method such as a Banbury mixer or an extruder. Shape.
When the content of the mica pearl pigment and the silane coupling agent is low, it can be used as a so-called color compound and can be directly used for molding. Can be used as a colored master batch to be used after dilution with an uncolored resin. The polyolefin resin coloring composition of the present invention, in addition to the above components, other optional coloring agents, antistatic agents,
Known additives such as a dispersant and an ultraviolet absorber can be contained as needed.
【００１２】[0012]
【実施例】次に実施例及び比較例を挙げて本発明を更に
具体的に説明する。成形物の黄変度評価方法 下記の実施例及び比較例で作成された着色成形物を、２
リットルデシケーター中に２８％アンモニア水２００ｍ
ｌ注入し、このアンモニアガス雰囲気中で暴露したまま
密封する。その際、上部より蛍光灯を照射（試料面の照
度が約２，０００Ｌｕｘ）し、室温で１００時間維持す
る。その後測色色差計を用いて、ＪＩＳ Ｋ ７１０３
（プラスチックの黄変度及び黄変度試験方法）に準じ
て、着色成形物の黄変度（ΔＹＩ）を測定する。Next, the present invention will be described more specifically with reference to examples and comparative examples. Evaluation Method of Yellowing Degree of Molded Product The colored molded products prepared in the following Examples and Comparative Examples
200m 28% ammonia water in liter desiccator
1 and sealed while exposed in this ammonia gas atmosphere. At that time, a fluorescent lamp is irradiated from above (the illuminance of the sample surface is about 2,000 Lux), and the sample is maintained at room temperature for 100 hours. Then, using a colorimetric colorimeter, JIS K 7103
The degree of yellowing (ΔYI) of the colored molded product is measured according to (Yellowing degree of plastic and test method for yellowing degree).
【００１３】実施例１ ポリエチレン樹脂（昭和電工製 ショーレックス５００
３、比重０．９４４、ＭＦＲ０．３ｇ／１０分）９７．
９８重量部、マイカ製パール顔料（平均粒子径２０μ
ｍ）２．０重量部及びγ−メタクリロキシプロピルトリ
メトキシシラン０．０２重量部を、ヘンシェルミキサー
中で均一に混合し、押出成形機（温度２００℃）で押出
成形を行い、着色ペレットを得た。上記ペレットを押出
成形機（ＪＳＷ製５０Ｚ）を用いて９０×５０×２ｍｍ
の板状成形物に成形（成形条件：温度２３０℃、金型温
度４０℃）した。次いで上記の黄変度評価方法に従って
成形物の黄変度を測定した。その結果を下記表１に示
す。Example 1 A polyethylene resin (Shorex 500 manufactured by Showa Denko KK)
3, specific gravity 0.944, MFR 0.3 g / 10 min)
98 parts by weight, mica pearl pigment (average particle size 20μ)
m) 2.0 parts by weight and 0.02 parts by weight of γ-methacryloxypropyltrimethoxysilane are uniformly mixed in a Henschel mixer and extruded with an extruder (temperature: 200 ° C.) to obtain colored pellets. Was. The above pellets are 90 × 50 × 2 mm using an extruder (50Z manufactured by JSW).
(Molding conditions: temperature 230 ° C., mold temperature 40 ° C.). Subsequently, the yellowing degree of the molded article was measured according to the above-mentioned yellowing degree evaluation method. The results are shown in Table 1 below.
【００１４】実施例２ ポリエチレン樹脂（昭和電工製 ショーレックス５００
３、比重０．９４４、ＭＦＲ０．３ｇ／１０分）９７．
５重量部、マイカ製パール顔料（平均粒子径２０μｍ）
２．０重量部及びγ−メタクリロキシプロピルトリメト
キシシラン０．５重量部をヘンシェルミキサー中で均一
に混合し、以下実施例１と同様に成形及び評価した。Example 2 Polyethylene resin (SHOLEX 500 manufactured by Showa Denko KK)
3, specific gravity 0.944, MFR 0.3 g / 10 min)
5 parts by weight, mica pearl pigment (average particle diameter 20 μm)
2.0 parts by weight and 0.5 part by weight of γ-methacryloxypropyltrimethoxysilane were uniformly mixed in a Henschel mixer, and then molded and evaluated in the same manner as in Example 1.
【００１５】実施例３ ポリプロピレン樹脂（三井東圧化学製 三井ノーブレン
ＪＨ−Ｇ、比重０．９１、ＭＦＲ４ｇ／１０分）９７．
９８重量部、マイカ製パール顔料（平均粒子径２０μ
ｍ）２．０重量部及びγ−メタクリロキシプロピルトリ
メトキシシラン０．０２重量部をヘンシェルミキサー中
で均一に混合し、以下実施例１と同様に成形及び評価し
た。Example 3 Polypropylene resin (Mitsui Noblen JH-G, manufactured by Mitsui Toatsu Chemicals, specific gravity 0.91, MFR 4 g / 10 min)
98 parts by weight, mica pearl pigment (average particle size 20μ)
m) 2.0 parts by weight and 0.02 parts by weight of γ-methacryloxypropyltrimethoxysilane were uniformly mixed in a Henschel mixer, and then molded and evaluated in the same manner as in Example 1.
【００１６】実施例４ ポリプロピレン樹脂（三井東圧化学製 三井ノーブレン
ＪＨ−Ｇ、比重０．９１、ＭＦＲ４ｇ／１０分）９７．
５重量部、マイカ製パール顔料（平均粒子径２０μｍ）
２．０重量部及びγ−メタクリロキシプロピルトリメト
キシシラン０．５重量部をヘンシェルミキサー中で均一
に混合し、以下実施例１と同様に成形及び評価した。Example 4 Polypropylene resin (Mitsui Noburen JH-G, manufactured by Mitsui Toatsu Chemicals, specific gravity 0.91, MFR 4 g / 10 min)
5 parts by weight, mica pearl pigment (average particle diameter 20 μm)
2.0 parts by weight and 0.5 part by weight of γ-methacryloxypropyltrimethoxysilane were uniformly mixed in a Henschel mixer, and then molded and evaluated in the same manner as in Example 1.
【００１７】比較例１ ポリエチレン樹脂（昭和電工製 ショーレックス５００
３、比重０．９４４、ＭＦＲ０．３ｇ／１０分）９８．
０重量部及びマイカ製パール顔料（平均粒子径２０μ
ｍ）２．０重量部をヘンシェルミキサー中で均一に混合
し、以下実施例１と同様に成形及び評価した。Comparative Example 1 Polyethylene resin (SHOLEX 500 manufactured by Showa Denko KK)
3, specific gravity 0.944, MFR 0.3 g / 10 min)
0 parts by weight and mica pearl pigment (average particle size 20μ)
m) 2.0 parts by weight were uniformly mixed in a Henschel mixer, and then molded and evaluated in the same manner as in Example 1.
【００１８】比較例２ ポリプロピレン樹脂（三井東圧化学製 三井ノーブレン
ＪＨ−Ｇ、比重０．９１、ＭＦＲ４ｇ／１０分）９８．
０重量部及びマイカ製パール顔料（平均粒子径２０μ
ｍ）２．０重量部をヘンシェルミキサー中で均一に混合
し、以下実施例１と同様に成形及び評価した。Comparative Example 2 Polypropylene resin (Mitsui Noboren JH-G, manufactured by Mitsui Toatsu Chemicals, specific gravity 0.91, MFR 4 g / 10 min)
0 parts by weight and mica pearl pigment (average particle size 20μ)
m) 2.0 parts by weight were uniformly mixed in a Henschel mixer, and then molded and evaluated in the same manner as in Example 1.
【００１９】[0019]
【表１】 [Table 1]
【００２０】[0020]
【効果】以上の如く本発明によれば、黄変のない成形物
を得るに適した樹脂着色組成物を提供することが出来
る。As described above, according to the present invention, it is possible to provide a resin coloring composition suitable for obtaining a molded product without yellowing.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平６−87982（ＪＰ，Ａ) 特開 平６−87983（ＪＰ，Ａ) 特開 平４−8742（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) C08L 23/00 - 23/36────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-6-87982 (JP, A) JP-A-6-87983 (JP, A) JP-A-4-8742 (JP, A) (58) Field (Int.Cl. 6 , DB name) C08L 23/00-23/36
Claims (1)
イカ製パール顔料０．１〜３０重量部と、シランカップ
リング剤０．００１〜１０重量部とからなることを特徴
とするポリオレフィン樹脂着色組成物。1. A polyolefin resin coloring composition comprising 100 parts by weight of a polyolefin resin, 0.1 to 30 parts by weight of a mica pearl pigment, and 0.001 to 10 parts by weight of a silane coupling agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17202293A JP2787889B2 (en) | 1993-06-21 | 1993-06-21 | Polyolefin resin coloring composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17202293A JP2787889B2 (en) | 1993-06-21 | 1993-06-21 | Polyolefin resin coloring composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH073084A JPH073084A (en) | 1995-01-06 |
| JP2787889B2 true JP2787889B2 (en) | 1998-08-20 |
Family
ID=15934075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17202293A Expired - Fee Related JP2787889B2 (en) | 1993-06-21 | 1993-06-21 | Polyolefin resin coloring composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2787889B2 (en) |
-
1993
- 1993-06-21 JP JP17202293A patent/JP2787889B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH073084A (en) | 1995-01-06 |
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