JP3852986B2 - Novel nickel complex compound and near-infrared absorbing resin molding for building materials using the compound - Google Patents

Novel nickel complex compound and near-infrared absorbing resin molding for building materials using the compound Download PDF

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JP3852986B2
JP3852986B2 JP20569396A JP20569396A JP3852986B2 JP 3852986 B2 JP3852986 B2 JP 3852986B2 JP 20569396 A JP20569396 A JP 20569396A JP 20569396 A JP20569396 A JP 20569396A JP 3852986 B2 JP3852986 B2 JP 3852986B2
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compound
formula
resin
color
nickel complex
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JPH1045785A (en
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章 小木曽
静雄 黒田
尚登 伊藤
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Mitsui Chemicals Inc
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Mitsui Chemicals Inc
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Description

【0001】
【発明の属する技術分野】
本発明は、新規ニッケル錯体化合物及び天窓、店舗ルーフ、アーケード、バス停留所の屋根等、エクステリア向けに使用する、該化合物を用いた熱線カット用樹脂成形物、即ち建材用近赤外線吸収能を有する樹脂成形物に関する。
【0002】
【従来の技術】
従来知られているビス(1,2−二置換−1,2−エチレンジチオラト)ニッケル錯体としては、例えば式(2)(化3)
【0003】
【化3】

Figure 0003852986
で表される化合物や、式(3)(化4)
【0004】
【化4】
Figure 0003852986
で示される化合物等が挙げられ、これらは一般に、780nm〜1200nmの近赤外部に極大吸収を示し、近赤外線吸収剤として、優れた性質を有していることが知られている。
【0005】
また、従来公知の上記錯体化合物は、一重項酸素を脱活性化する性質を有し、例えばポリオレフィン類の光安定化剤や酸化防止剤、有機色素などの光劣化防止剤等の一重項酸素クエンチャーとしての用途を有することも知られている。
【0006】
以上のように、ビス(1,2−二置換−1,2−エチレンジチオラト)ニッケル錯体化合物は多くの優れた性質を有している。
【0007】
【発明が解決しようとする課題】
ところが、上記錯体化合物を実際に樹脂に熱練り込みを行って近赤外線吸収成形物として、上記の用途に用いた場合、実際には380nm〜780nmの可視光線中に若干ながら吸収がある。その際、380nmから780nmにおける可視光線の吸収が偏っている場合には、黄色あるいは緑色の色相を持つ樹脂成形体しか得ることができなかった。
【0008】
近年、望まれている色相は、無彩色である灰色または無彩色に近い青色であり、また均一に透明であることも要請されているため、これらの問題は美的価値上、是非とも改善する必要があった。
【0009】
【課題を解決するための手段】
本発明者らは上記の状況に鑑み、鋭意検討した結果、樹脂に熱練り込みを行った場合に無彩色に近い青色となる、新規ニッケル錯体化合物および基材樹脂を見出し、本発明を完成するに至った。
【0010】
すなわち、本発明は式(1)(化5)
【化5】
Figure 0003852986
で表される新規ビス(1,2−ビス(2−メトキシフェニル)−1,2−エチレンジチオラト)ニッケル錯体化合物および該化合物を基材樹脂に含有することを特徴とする建材用近赤外線吸収樹脂成形物を提供するものである。
【0011】
【発明の実施の形態】
以下、本発明を詳細に説明する。
本発明の式(1)で示される新規ニッケル錯体化合物は、例えば、G.N.Schrauzerらの文献〔J.Amer.Chem.Soc.,87巻、1483頁(1965年)〕、あるいは特開平2−264787号公報に記載されるビス(1,2−ジアリール−1,2−エチレンジチオラト)ニッケル錯体化合物の製造方法に準拠して次のような反応経路により該化合物を合成することができる。
【0012】
【化6】
Figure 0003852986
【0013】
すなわち、o−アニソインと五硫化二リンとを、ジオキサンあるいは1,3−ジメチル−2−イミダゾリジノンなどの溶媒中で加熱して反応させ、リン化合物の中間体を生成させ、次に塩化ニッケル(II)水溶液を加えて、加熱反応することにより容易に得ることができる。
【0014】
この様な方法によって得られた式(1)の化合物は、本願発明の樹脂成形物の重要成分として用いる。また、他の公知の近赤外線吸収剤や紫外線吸収剤、光安定化剤、着色剤、光導電性化合物、発光性色素、二色性色素、フォトクロミック化合物などの添加剤との併用も可能である。
【0015】
本発明の樹脂成形物に用いられる基材樹脂としては、濁りのない透明な樹脂であれば、特に限定されないが、熱可塑性を有することが好ましい。具体的には、ハロゲン化ビニル重合体系、アクリル系、ポリオレフィン系、ポリアミド系、ポリイミド系、ポリエステル系、セルロースアセテート系、ポリカーボネート系およびポリエーテルスルホン系樹脂などが挙げられる。なかでも特に耐熱性および透明性に優れた、ポリメチルメタアクリレート、ポリカーボネート、ポリスチレン、ポリエチレンテレフタレートなどの樹脂を用いることが好ましい。
【0016】
また、熱可塑性の共重合樹脂を使用してもよい。具体的には熱可塑性樹脂を製造するに必要なモノマーを任意の割合で混合して共重合樹脂を作製してもよいが、好ましくはアクリロニトリル−スチレン共重合樹脂、スチレン−メチルメタアクリレート共重合樹脂、スチレン−ブタジエン共重合樹脂、スチレン−マレイン酸系またはスチレン−無水マレイン酸系樹脂、または透明性を有するアクリロニトリル−ブタジエン−スチレン共重合樹脂を用いることが望ましい。
【0017】
本発明の建材用近赤外線吸収樹脂成形物を製造するにおいて、式(1)で示される化合物の基材樹脂に対する使用量は、化合物の基材樹脂に対する着色能力および目的とする本願の樹脂成形物の厚みなどを考慮して決定するが、好ましくは樹脂成形物の厚み方向に対して可視光線透過率が20〜70%となるように調整する。例えば、組成物の厚みが0.2mm〜20mmであれば、式(1)で示される化合物の基材樹脂に対する使用量は、0.2〜0.002重量%の範囲である。
【0018】
本発明の樹脂成形物を製造するには、本発明の式(1)の化合物、及び必要によりその他の添加剤を、基材樹脂とともに熱により溶融して着色した後、基材樹脂の適宜な成形温度により、用途に応じて板状あるいはシート状、あるいは金型などを使用して凸凹等の曲面加工を行う。更に必要に応じて旋盤などの工作機械を使用して、丸型、角型、星形等の任意の形状に加工して用いる。また、樹脂成形物を延伸したり、針金線などを成形物に付与して、機械的強度を向上させることもできる。
【0019】
このように製造された板あるいはシートについて、用途に応じて種々の形態の板やシートに加工して実用に供することができる。
すなわち、a)上記の方法で製造された板あるいはシートそのまま、b)片面もしくは両面に光学的透明性と機械的強度に優れた保護膜、例えば、ガラス類あるいは合成樹脂類よりなる保護膜(層)を設けた形の板またはシート、c)本目的の一つである窓ガラスへの適用時の簡便さのために、片面もしくは両面に粘着剤を塗布した形のもの、さらにはd)フィルムの表面に蒸着、スパッタリングまたは塗工法などの周知の方法でインジウム−スズ系酸化物等の透明導電性膜を付加した形のものなどが例示できる。
【0020】
また、異なる基材樹脂で各々板やシートを作製した後で、粘着剤、接着剤、あるいは静電力などにより、フィルムを積層し、そのまま実用に供する他、上記記載の用途への使用に適用することができる。
【0021】
【実施例】
以下に、実施例により本発明記載のニッケル錯体系化合物についてさらに詳しく説明する。
なお、例中の「部」は「重量部」を示し、有機溶媒である1,3−ジメチル−2−イミダゾリジノンは、「DMI」と略す。
また「%」は液体クロマトグラフィーの面積比を示す数値は、面積百分率を示し、収率およびニッケル含有率は、「重量%」を示す。
【0022】
なお、高速液体クロマトグラフィーによる分析では、カラムとしてワイ・エム・シー株式会社の「YMC−pack A−014 SIL」を用いた。
また、本発明のニッケル錯体の吸光度、および該錯体を使用して作製した着色プレートの吸光度およびマンセル表色系における物体色測定は、株式会社島津製作所の分光光度計「UV−3100PC」および「UV−PC用カラー測定ソフトウェア」を使用して行った。
【0023】
尚、物体色測定は、JIS Z 8722の定義に従って、標準の光C、2度視野の条件で分光透過率を測定し、JIS Z 8721の定義に基づいて、色相、明度、彩度の3属性を求めた。
色相の評価において、英文字の記号は、Bは青色、BGは青緑色、Gは緑色、GYは黄緑色を示す。
【0024】
合成例
o−アニソイン350部、五硫化二リン114部、およびDMI3000部を混合し、100〜105℃で2時間反応させた。反応液を室温に冷却し、塩化ニッケル(II)6水和物153部を水600部に溶解したものを加え、90℃に加熱して2時間反応させた。続いて反応液を0℃に冷却し、濾過した。濾塊をDMI300部で洗浄し、次いでエタノール2000部、40℃の温水2000部で洗浄して、乾燥し、次式(1)(化7)で示されるビス(1,2−ビス(2−メトキシフェニル)−1,2−エチレンジチオラト)ニッケル化合物177部(収率41%)を得た。
【0025】
【化7】
Figure 0003852986
液体クロマトグラフィーによる測定で、純度は99%であった。また、クロロホルム中での最大吸収波長は828nm、グラム吸光係数は39.5l/(g・cm)であった。また、マススペクトルを測定した結果、親イオンピークm/e+は662であった。
元素分析の結果を次に示す。
【0026】
【表1】
Figure 0003852986
【0027】
実施例1
ポリメチルメタクリレート(商標「デルペット80N」 旭化成(株)製)1000部あたり合成例の式(1)の化合物0.2部を均一にブレンドし、250℃で溶融着色して、厚み2.5mmの着色プレートを得た。
この着色プレートは、可視光線領域380nm〜780nmにおける平均透過率が52%であり、不溶成分の見られない均一な無彩色に近い青色であった。また、838nmにおいて透過率2.5%と極小値となり、近赤外線を良好に吸収した。
マンセル表色系での物体色を測定した結果、色相9.6B、明度7.8、彩度2.9であった。
また、本プレートを切削加工して、天窓用の円板とした。天窓として小屋に取り付け、1か月放置したが、樹脂の劣化は見られず、均一な無彩色に近い青色のままであり、耐侯性は良好であった。
【0028】
実施例2
ポリカーボネート(商標「パンライトL−1250」 帝人(株)製)1000部あたり合成例の式(1)の化合物0.2部を均一にブレンドし、295℃で溶融着色して、厚み2.5mmの着色プレートを得た。
この着色プレートは、可視光線領域380nm〜780nmにおける平均透過率が53%であり、不溶成分の見られない均一な無彩色に近い青色であった。また、838nmにおいて透過率3.2%と極小値となり、近赤外線を良好に吸収した。
マンセル表色系での物体色を測定した結果、色相6.1B、明度7.8、彩度2.3であった。
実施例1と同様に天窓を作成し、小屋の屋根に取り付け、1か月放置したが、樹脂の劣化は見られず、均一な無彩色に近い青色のままであり、耐侯性は良好であった。
【0029】
実施例3
ポリスチレン(商標「トーポレックス」 三井東圧化学(株)製)1000部あたり合成例の化合物0.2部を均一にブレンドし、205℃で溶融着色して、厚み2.5mmの着色プレートを得た。
この着色プレートは、可視光線領域400nm〜700nmにおける平均透過率が53%であり、不溶成分の見られない均一な無彩色に近い青色であった。また、839nmにおいて透過率3.3%と極小値となり、近赤外線を良好に吸収した。
マンセル表色系での物体色を測定した結果、色相4.2B、明度7.9、彩度2.3であった。
実施例1と同様に天窓を作成し、小屋の屋根に取り付け、1か月放置したが、樹脂の劣化は見られず、均一な無彩色に近い青色のままであり、耐侯性は良好であった。
【0030】
実施例4
ポリエチレンテレフタレート(商標「ダイヤナイト NA−523V」三菱レーヨン(株)製)1000部あたり合成例の化合物0.2部を均一にブレンドし、295℃で溶融着色して、厚み2.5mmの着色プレートを得た。
この着色プレートは、可視光線領域380nm〜780nmにおける平均透過率が57%であり、不溶成分の見られない均一な無彩色に近い青色であった。また、854nmにおいて透過率6.4%と極小値となり、近赤外線を良好に吸収した。
マンセル表色系での物体色を測定した結果、色相9.0B、明度8.1、彩度2.2であった。
実施例1と同様に天窓を作成し、小屋の屋根に取り付け、1か月放置したが、樹脂の劣化は見られず、均一な無彩色に近い青色のままであり、耐侯性は良好であった。
【0031】
実施例5
スチレン−メチルメタアクリレート共重合体(商標「エスチレン MS−300」新日本製鉄化学(株)製)1000部あたり合成例の化合物0.2部を均一にブレンドし、245℃で溶融着色して、厚み2.5mmの着色プレートを得た。この着色プレートは、可視光線領域380nm〜780nmにおける平均透過率が53%であり、不溶成分の見られない均一な無彩色に近い青色であった。また、838nmにおいて透過率2.9%と極小値となり、近赤外線を良好に吸収した。
マンセル表色系での物体色を測定した結果、色相6.9B、明度7.8、彩度2.6であった。
実施例1と同様に天窓を作成し、小屋の屋根に取り付け、1か月放置したが、樹脂の劣化は見られず、均一な無彩色に近い青色のままであり、耐侯性は良好であった。
【0032】
比較例1
合成例の式(1)の化合物の代わりに下式(2)(化8)
【0033】
【化8】
Figure 0003852986
に示す化合物を用いて実施例1と同様な操作で比較例1の着色プレートを得た。この着色プレートは、可視光線領域380nm〜780nmにおける平均透過率が48%であり、不溶成分の見られない均一な無彩色に近い黄緑色であった。
マンセル表色系での物体色を測定した結果、色相4.9GY、明度7.6、彩度2.0であった。
実施例1と同様に天窓を作成し、小屋の屋根に取り付け、1か月放置した。樹脂の劣化は見られなかったが、均一な無彩色に近い黄緑色であった。
【0034】
比較例2
合成例の式(1)の化合物の代わりに下式(3)(化9)
【0035】
【化9】
Figure 0003852986
に示す化合物を用いて実施例1と同様な操作で比較例2の着色プレートを得た。この着色プレートは、可視光線領域380nm〜780nmにおける平均透過率が50%であり、不溶成分の見られない均一な無彩色に近い青緑色であった。
マンセル表色系での物体色を測定した結果、色相7.6BG、明度7.7、彩度2.5であった。
実施例1と同様に天窓を作成し、小屋の屋根に取り付け、1か月放置した。樹脂の劣化は見られなかったが、均一な無彩色に近い青緑色であった。
【0036】
比較例3
合成例の式(1)の化合物の代わりに比較例2の式(3)の化合物を用いて実施例2と同様な操作で着色プレートを得た。この着色プレートは、可視光線領域380nm〜780nmにおける平均透過率が51%であり、不溶成分の見られない均一な無彩色に近い青緑色であった。
マンセル表色系での物体色を測定した結果、色相2.7BG、明度7.8、彩度2.6であった。
実施例1と同様に天窓を作成し、小屋の屋根に取り付け、1か月放置した。樹脂の劣化は見られなかったが、均一な無彩色に近い緑色を呈していた。
【0037】
比較例4
合成例の式(1)の化合物の代わりに比較例2の式(3)の化合物を用いて実施例3と同様な操作で着色プレートを得た。この着色プレートは、可視光線領域380nm〜780nmにおける平均透過率が52%であり、不溶成分の見られない均一な無彩色に近い緑色であった。
マンセル表色系での物体色を測定した結果、色相9.4G、明度7.9、彩度2.4であった。
実施例1と同様に天窓を作成し、小屋の屋根に取り付け、1か月放置した。樹脂の劣化は見られなかったが、均一な無彩色に近い緑色を呈していた。
【0038】
比較例5
合成例の化合物の代わりに比較例2の式(3)の化合物を用いて実施例4と同様な操作で着色プレートを得た。この着色プレートは、可視光線領域380nm〜780nmにおける平均透過率が55%であり、不溶成分の見られない均一な無彩色に近い緑色であった。
マンセル表色系での体色を測定した結果、色相7.1G、明度8.0、彩度1.8であった。
実施例1と同様に天窓を作成し、小屋の屋根に取り付け、1か月放置した。樹脂の劣化は見られなかったが、均一な無彩色に近い緑色を呈していた。
【0039】
【発明の効果】
本発明のビス(1,2−ビス(2−メトキシフェニル)−1,2−エチレンジチオラト)ニッケル錯体化合物を含有する本発明の建材用近赤外線吸収樹脂成形物は、無彩色に近い青色を有し、近赤外線を良好に吸収するため、種々の用途に適用可能な、実用上極めて価値のあるものである。
【図面の簡単な説明】
【図1】 式(1)のニッケル錯体化合物のマススペクトルである。
【図2】 式(1)のニッケル錯体化合物のNMRスペクトルである。
【図3】 実施例1、比較例1および比較例2の樹脂成形物の透過率曲線である。
(1)実線は、実施例1の樹脂成形物を示す。
(2)長破線は、比較例1の樹脂成形物を示す。
(3)短破線は、比較例2の樹脂成形物を示す。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a novel nickel complex compound and a resin molded product for heat ray cut using the compound, that is, a resin having a near infrared absorbing ability for building materials, which is used for exteriors such as skylights, store roofs, arcades, and bus stop roofs. It relates to a molded product.
[0002]
[Prior art]
Examples of conventionally known bis (1,2-disubstituted-1,2-ethylenedithiolato) nickel complexes include, for example, formula (2) (Chemical Formula 3)
[0003]
[Chemical 3]
Figure 0003852986
Or a compound represented by formula (3)
[0004]
[Formula 4]
Figure 0003852986
In general, these compounds have a maximum absorption in the near infrared region of 780 nm to 1200 nm, and are known to have excellent properties as a near infrared absorber.
[0005]
Further, the above known complex compounds have the property of deactivating singlet oxygen. For example, singlet oxygen quenchers such as polyolefin light stabilizers, antioxidants, and photodegradation inhibitors such as organic dyes. It is also known to have use as a char.
[0006]
As described above, the bis (1,2-disubstituted-1,2-ethylenedithiolato) nickel complex compound has many excellent properties.
[0007]
[Problems to be solved by the invention]
However, when the complex compound is actually kneaded into a resin and used as a near-infrared-absorbing molded product for the above applications, there is actually some absorption in visible light of 380 nm to 780 nm. At that time, if the absorption of visible light at 380 nm to 780 nm is biased, only a resin molded body having a yellow or green hue could be obtained.
[0008]
In recent years, the desired hue is gray, which is an achromatic color, or blue, which is close to an achromatic color, and it is also required to be uniformly transparent. Therefore, these problems need to be improved in terms of aesthetic value. was there.
[0009]
[Means for Solving the Problems]
As a result of intensive studies in view of the above situation, the present inventors have found a novel nickel complex compound and a base resin that become achromatic blue when heat-kneaded into a resin, and complete the present invention. It came to.
[0010]
That is, the present invention relates to the formula (1) (formula 5).
[Chemical formula 5]
Figure 0003852986
A near bis (1,2-bis (2-methoxyphenyl) -1,2-ethylenedithiolato) nickel complex compound represented by the formula: A resin molded product is provided.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail.
The novel nickel complex compound represented by the formula (1) of the present invention is, for example, G.I. N. Schrother et al. [J. Amer. Chem. Soc. 87, 1483 (1965)], or in accordance with the method for producing a bis (1,2-diaryl-1,2-ethylenedithiolato) nickel complex compound described in JP-A-2-264787. The compound can be synthesized by the following reaction route.
[0012]
[Chemical 6]
Figure 0003852986
[0013]
That is, o-anisoin and diphosphorus pentasulfide are reacted by heating in a solvent such as dioxane or 1,3-dimethyl-2-imidazolidinone to produce an intermediate of a phosphorus compound, and then nickel chloride. (II) It can be easily obtained by adding an aqueous solution and reacting by heating.
[0014]
The compound of the formula (1) obtained by such a method is used as an important component of the resin molded product of the present invention. Also, other known near infrared absorbers and ultraviolet absorbers, light stabilizers, colorants, photoconductive compounds, luminescent dyes, dichroic dyes, photochromic compounds, and other additives can be used in combination. .
[0015]
The base resin used in the resin molded product of the present invention is not particularly limited as long as it is a transparent resin without turbidity, but preferably has thermoplasticity. Specific examples include vinyl halide polymer systems, acrylic systems, polyolefin systems, polyamide systems, polyimide systems, polyester systems, cellulose acetate systems, polycarbonate systems, and polyether sulfone resins. In particular, it is preferable to use a resin such as polymethyl methacrylate, polycarbonate, polystyrene, or polyethylene terephthalate, which is particularly excellent in heat resistance and transparency.
[0016]
Further, a thermoplastic copolymer resin may be used. Specifically, a copolymer resin may be prepared by mixing monomers necessary for producing a thermoplastic resin in an arbitrary ratio, but preferably an acrylonitrile-styrene copolymer resin or a styrene-methyl methacrylate copolymer resin. It is desirable to use a styrene-butadiene copolymer resin, a styrene-maleic acid-based or styrene-maleic anhydride-based resin, or a transparent acrylonitrile-butadiene-styrene copolymer resin.
[0017]
In the production of the near-infrared absorbing resin molded product for building materials of the present invention, the amount of the compound represented by the formula (1) used for the base resin is the coloring ability of the compound to the base resin, and the intended resin molded product of the present application. However, the visible light transmittance is preferably adjusted to 20 to 70% with respect to the thickness direction of the resin molded product. For example, if the thickness of a composition is 0.2 mm-20 mm, the usage-amount with respect to base-material resin of the compound shown by Formula (1) is the range of 0.2-0.002 weight%.
[0018]
In order to produce the resin molded article of the present invention, the compound of the formula (1) of the present invention and, if necessary, other additives are colored by melting together with the base resin by heat, Depending on the molding temperature, surface processing such as unevenness is performed using a plate shape, a sheet shape, or a mold according to the application. Further, if necessary, it is processed into an arbitrary shape such as a round shape, a square shape or a star shape using a machine tool such as a lathe. Also, the mechanical strength can be improved by stretching the resin molded product or applying a wire to the molded product.
[0019]
About the board or sheet manufactured in this way, it can be processed into various forms of plates and sheets for practical use.
That is, a) a plate or sheet produced by the above method as it is, b) a protective film (layer) made of glass or synthetic resins, which is excellent in optical transparency and mechanical strength on one or both sides. C) a plate or sheet having a shape provided with c), c) for the purpose of application to a window glass, which is one of the purposes, and a type in which an adhesive is applied on one or both sides, and d) a film Examples of such a material include a transparent conductive film such as an indium-tin-based oxide added to the surface by a known method such as vapor deposition, sputtering, or coating.
[0020]
In addition, after each plate or sheet is made of different base resin, the film is laminated with an adhesive, an adhesive, or an electrostatic force, and is used for practical use as it is or applied to the use described above. be able to.
[0021]
【Example】
In the following, the nickel complex compounds according to the present invention will be described in more detail with reference to examples.
In the examples, “part” represents “part by weight”, and 1,3-dimethyl-2-imidazolidinone, which is an organic solvent, is abbreviated as “DMI”.
In addition, “%” indicates an area ratio of liquid chromatography, an area percentage, and yield and nickel content indicate “% by weight”.
[0022]
In the analysis by high performance liquid chromatography, “YMC-pack A-014 SIL” manufactured by YMC Co., Ltd. was used as the column.
In addition, the absorbance of the nickel complex of the present invention, the absorbance of the colored plate prepared using the complex, and the object color measurement in the Munsell color system were measured by spectrophotometers “UV-3100PC” and “UV” of Shimadzu Corporation. -PC color measurement software ".
[0023]
The object color measurement is based on the definition of JIS Z 8722, the spectral transmittance is measured under the conditions of standard light C and a 2-degree field of view, and the three attributes of hue, lightness, and saturation are based on the definition of JIS Z 8721. Asked.
In the evaluation of the hue, the symbols of English letters indicate B for blue, BG for blue-green, G for green, and GY for yellow-green.
[0024]
Synthesis Example o 350 parts of anisoin, 114 parts of diphosphorus pentasulfide, and 3000 parts of DMI were mixed and reacted at 100 to 105 ° C. for 2 hours. The reaction solution was cooled to room temperature, a solution obtained by dissolving 153 parts of nickel (II) chloride hexahydrate in 600 parts of water was added, and the mixture was heated to 90 ° C. and reacted for 2 hours. Subsequently, the reaction solution was cooled to 0 ° C. and filtered. The filter cake is washed with 300 parts of DMI, then washed with 2000 parts of ethanol and 2000 parts of warm water of 40 ° C., dried, and bis (1,2-bis (2- There were obtained 177 parts (yield 41%) of a methoxyphenyl) -1,2-ethylenedithiolato) nickel compound.
[0025]
[Chemical 7]
Figure 0003852986
The purity was 99% as measured by liquid chromatography. The maximum absorption wavelength in chloroform was 828 nm, and the gram extinction coefficient was 39.5 l / (g · cm). As a result of measuring the mass spectrum, the parent ion peak m / e + was 662.
The results of elemental analysis are shown below.
[0026]
[Table 1]
Figure 0003852986
[0027]
Example 1
Polymethylmethacrylate (trade name “Delpet 80N”, manufactured by Asahi Kasei Co., Ltd.) 0.2 parts of the compound of the formula (1) in the synthesis example is uniformly blended per 1000 parts, melt-colored at 250 ° C., and a thickness of 2.5 mm. A colored plate was obtained.
This colored plate had an average transmittance of 52% in the visible light region of 380 nm to 780 nm, and was close to a uniform achromatic color with no insoluble components. Moreover, the transmittance was 2.5%, which was a minimum value at 838 nm, and the near infrared ray was absorbed well.
As a result of measuring the object color in the Munsell color system, the hue was 9.6B, the lightness was 7.8, and the saturation was 2.9.
In addition, this plate was cut into a disk for a skylight. Although it was attached to the hut as a skylight and left for one month, no deterioration of the resin was observed, and it remained blue with a uniform achromatic color, and the weather resistance was good.
[0028]
Example 2
Polycarbonate (Trademark “Panlite L-1250”, manufactured by Teijin Ltd.) per 1000 parts, 0.2 part of the compound of formula (1) in the synthesis example was uniformly blended, melted and colored at 295 ° C., and thickness 2.5 mm A colored plate was obtained.
This colored plate had an average transmittance of 53% in a visible light region of 380 nm to 780 nm, and was a blue color close to a uniform achromatic color where no insoluble component was observed. Further, the transmittance was 3.2% at 838 nm, which was a minimum value, and the near infrared ray was absorbed well.
As a result of measuring the object color in the Munsell color system, the hue was 6.1B, the lightness was 7.8, and the saturation was 2.3.
A skylight was prepared in the same manner as in Example 1 and mounted on the roof of the hut, and left for one month. However, the resin did not deteriorate, it remained blue with a uniform achromatic color, and the weather resistance was good. It was.
[0029]
Example 3
Polystyrene (Trademark “Topolex” manufactured by Mitsui Toatsu Chemical Co., Ltd.) per 1000 parts, 0.2 part of the compound of the synthesis example is uniformly blended and melt-colored at 205 ° C. to obtain a colored plate having a thickness of 2.5 mm. It was.
This colored plate had an average transmittance of 53% in the visible light region of 400 nm to 700 nm, and was close to a uniform achromatic color with no insoluble components. Further, the transmittance was 3.3% at 839 nm, which was a minimum value, and the near infrared ray was absorbed well.
As a result of measuring the object color in the Munsell color system, the hue was 4.2B, the lightness was 7.9, and the saturation was 2.3.
A skylight was prepared in the same manner as in Example 1 and mounted on the roof of the hut, and left for one month. However, the resin did not deteriorate, it remained blue with a uniform achromatic color, and the weather resistance was good. It was.
[0030]
Example 4
Polyethylene terephthalate (Trademark “Dianite NA-523V” manufactured by Mitsubishi Rayon Co., Ltd.) 0.2 parts of the compound of the synthesis example per 1000 parts is uniformly blended, melted and colored at 295 ° C., and a 2.5 mm thick colored plate Got.
This colored plate had an average transmittance of 57% in the visible light region of 380 nm to 780 nm, and was a blue color close to a uniform achromatic color where no insoluble component was observed. Further, at 854 nm, the transmittance was a minimum value of 6.4%, and the near infrared ray was absorbed well.
As a result of measuring the object color in the Munsell color system, the hue was 9.0 B, the lightness was 8.1, and the saturation was 2.2.
A skylight was prepared in the same manner as in Example 1 and mounted on the roof of the hut, and left for one month. However, the resin did not deteriorate, it remained blue with a uniform achromatic color, and the weather resistance was good. It was.
[0031]
Example 5
Styrene-methyl methacrylate copolymer (Trademark “Estyrene MS-300” manufactured by Nippon Steel Chemical Co., Ltd.) 0.2 parts of the compound of the synthesis example per 1000 parts was uniformly blended, and melt-colored at 245 ° C. A colored plate with a thickness of 2.5 mm was obtained. This colored plate had an average transmittance of 53% in a visible light region of 380 nm to 780 nm, and was a blue color close to a uniform achromatic color where no insoluble component was observed. Further, the transmittance was 2.9% at 838 nm, which was a minimum value, and the near infrared ray was absorbed well.
As a result of measuring the object color in the Munsell color system, the hue was 6.9B, the lightness was 7.8, and the saturation was 2.6.
A skylight was prepared in the same manner as in Example 1 and mounted on the roof of the hut, and left for one month. However, the resin did not deteriorate, it remained blue with a uniform achromatic color, and the weather resistance was good. It was.
[0032]
Comparative Example 1
Instead of the compound of formula (1) in the synthesis example, the following formula (2)
[0033]
[Chemical 8]
Figure 0003852986
A colored plate of Comparative Example 1 was obtained in the same manner as in Example 1 using the compound shown in FIG. This colored plate had an average transmittance of 48% in the visible light region of 380 nm to 780 nm, and was a yellowish green color with a uniform achromatic color in which no insoluble component was observed.
As a result of measuring the object color in the Munsell color system, the hue was 4.9 GY, the lightness was 7.6, and the saturation was 2.0.
A skylight was prepared in the same manner as in Example 1, attached to the roof of the hut, and left for one month. Although no deterioration of the resin was observed, it was a yellowish green color that was nearly uniform achromatic.
[0034]
Comparative Example 2
Instead of the compound of formula (1) in the synthesis example, the following formula (3)
[0035]
[Chemical 9]
Figure 0003852986
A colored plate of Comparative Example 2 was obtained in the same manner as in Example 1 using the compound shown in FIG. This colored plate had an average transmittance of 50% in the visible light region of 380 nm to 780 nm, and was a bluish green color with a uniform achromatic color with no insoluble components.
As a result of measuring the object color in the Munsell color system, the hue was 7.6BG, the lightness was 7.7, and the saturation was 2.5.
A skylight was prepared in the same manner as in Example 1, attached to the roof of the hut, and left for one month. Although no deterioration of the resin was observed, it was a blue-green color that was almost uniform achromatic color.
[0036]
Comparative Example 3
A colored plate was obtained in the same manner as in Example 2, except that the compound of formula (3) of comparative example 2 was used instead of the compound of formula (1) of synthesis example. This colored plate had an average transmittance of 51% in the visible light region of 380 nm to 780 nm, and was a bluish green color with a uniform achromatic color with no insoluble components.
As a result of measuring the object color in the Munsell color system, the hue was 2.7BG, the lightness was 7.8, and the saturation was 2.6.
A skylight was prepared in the same manner as in Example 1, attached to the roof of the hut, and left for one month. Although no deterioration of the resin was observed, it was green with a uniform achromatic color.
[0037]
Comparative Example 4
A colored plate was obtained in the same manner as in Example 3, except that the compound of formula (3) of comparative example 2 was used instead of the compound of formula (1) of synthesis example. This colored plate had an average transmittance of 52% in the visible light region of 380 nm to 780 nm, and was a green color close to a uniform achromatic color where no insoluble component was observed.
As a result of measuring the object color in the Munsell color system, the hue was 9.4 G, the lightness was 7.9, and the saturation was 2.4.
A skylight was prepared in the same manner as in Example 1, attached to the roof of the hut, and left for one month. Although no deterioration of the resin was observed, it was green with a uniform achromatic color.
[0038]
Comparative Example 5
A colored plate was obtained in the same manner as in Example 4 except that the compound of formula (3) of Comparative Example 2 was used instead of the compound of Synthesis Example. This colored plate had an average transmittance of 55% in the visible light region of 380 nm to 780 nm, and was green with a uniform achromatic color in which no insoluble component was observed.
As a result of measuring the body color in the Munsell color system, the hue was 7.1 G, the lightness was 8.0, and the saturation was 1.8.
A skylight was prepared in the same manner as in Example 1, attached to the roof of the hut, and left for one month. Although no deterioration of the resin was observed, it was green with a uniform achromatic color.
[0039]
【The invention's effect】
The near-infrared absorbing resin molded article for building materials of the present invention containing the bis (1,2-bis (2-methoxyphenyl) -1,2-ethylenedithiolato) nickel complex compound of the present invention has a blue color close to an achromatic color. In order to absorb near infrared rays satisfactorily, it is extremely practically applicable to various uses.
[Brief description of the drawings]
FIG. 1 is a mass spectrum of a nickel complex compound of formula (1).
FIG. 2 is an NMR spectrum of a nickel complex compound of the formula (1).
FIG. 3 is a transmittance curve of resin molded products of Example 1, Comparative Example 1 and Comparative Example 2.
(1) The solid line shows the resin molded product of Example 1.
(2) The long broken line indicates the resin molded product of Comparative Example 1.
(3) The short broken line indicates the resin molded product of Comparative Example 2.

Claims (3)

式(1)(化1)
Figure 0003852986
で表されるビス(1,2−ビス(2−メトキシフェニル)−1,2−エチレンジチオラト)ニッケル錯体化合物。
Formula (1) (Formula 1)
Figure 0003852986
A bis (1,2-bis (2-methoxyphenyl) -1,2-ethylenedithiolato) nickel complex compound represented by the formula:
式(1)(化2)
Figure 0003852986
で表されるビス(1,2−ビス(2−メトキシフェニル)−1,2−エチレンジチオラト)ニッケル錯体化合物を基材樹脂に含有することを特徴とする建材用近赤外線吸収樹脂成形物。
Formula (1) (Formula 2)
Figure 0003852986
A near-infrared absorbing resin molded article for building materials, comprising a base resin containing a bis (1,2-bis (2-methoxyphenyl) -1,2-ethylenedithiolato) nickel complex compound represented by:
基材樹脂がポリメチルメタアクリレート、ポリカーボネート、ポリエチレンテレフタレート、ポリスチレンである請求項2記載の建材用近赤外線吸収樹脂成形物。The near-infrared absorbing resin molding for building materials according to claim 2, wherein the base resin is polymethyl methacrylate, polycarbonate, polyethylene terephthalate, or polystyrene.
JP20569396A 1996-08-05 1996-08-05 Novel nickel complex compound and near-infrared absorbing resin molding for building materials using the compound Expired - Fee Related JP3852986B2 (en)

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