JP2022554212A - 配向非球状磁性又は磁化可能顔料粒子を含む光学効果層を生成するための磁気アセンブリ及びプロセス - Google Patents
配向非球状磁性又は磁化可能顔料粒子を含む光学効果層を生成するための磁気アセンブリ及びプロセス Download PDFInfo
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Abstract
Description
a)磁気軸が第1の平面(P)と実質的に垂直となるように配向した少なくとも4つの第1の双極子磁石(x31)を備えた第1の磁界発生装置(x30)であり、
第1の双極子磁石(x31)がそれぞれ、少なくとも2本の実質的に平行な直線αi(i=1、2、・・・)及び少なくとも2本の実質的に平行な直線βj(j=1、2、・・・)の交差点上に配置され、直線αi及びβjが格子を形成し、
少なくとも2つの第1の双極子磁石(x31)が、直線αiのうちの1本の上に配設され、少なくとも2つの他の第1の双極子磁石(x31)が、直線αiのうちの別の1本の上に配設され、
各直線αi上及び各直線βj上において、隣り合う第1の棒状双極子磁石(x31)のN極が反対方向を向き、
当該第1の磁界発生装置(x30)の第1の双極子磁石(x31)が、第1の支持マトリクス(x32)に一部又は全部が埋め込まれた、
第1の磁界発生装置(x30)と、
b)磁気軸が第1の平面(P)と実質的に平行となるように配向し、第2の支持マトリクス(x42)に一部又は全部が埋め込まれた1つ又は複数の第2の双極子磁石(x41)を備えた第2の磁界発生装置(x40)であり、
第2の磁界発生装置(x40)が、第1の磁界発生装置(x30)の下方に配設され、
各直線αi及び1つ又は複数の第2の双極子磁石(x41)の磁気軸のベクトル和Hが、互いに実質的に非平行及び実質的に非垂直である、
第2の磁界発生装置(x40)と、
を備えた、磁気アセンブリ(x00)を提供することである。
i)複数の非球状磁性又は磁化可能顔料粒子を含み、コーティング層(x10)を形成するような第1の状態である放射線硬化性コーティング組成物を基板(x20)表面に塗布するステップと、
非球状磁性又は磁化可能顔料粒子の少なくとも一部を配向させるように、本明細書に記載の固定磁気アセンブリ(x00)の磁界に放射線硬化性コーティング組成物を曝露するステップと、
iii)非球状磁性又は磁化可能顔料粒子をそれぞれの採用された位置及び配向に固定するように、ステップii)の放射線硬化性コーティング組成物を少なくとも部分的に硬化させて第2の状態とするステップと、
を含む、プロセスを記載する。
[014]以下の定義は、本明細書に採用の用語及び特許請求の範囲に列挙の用語の意味に当てはまる。
[0120]比較例1の光学効果層(OEL)を基板(520)上に作成するのに用いた磁気アセンブリ(500)を図5A~図5Cに示す。磁気アセンブリ(500)は、第1の平面(P)と平行な配向にて、基板(520)を受容するように構成されているものとした。
[0130]比較例1の光学効果層(OEL)を基板(620)上に作成するのに用いた磁気アセンブリ(600)を図6A~図6Bに示す。磁気アセンブリ(600)は、第1の平面(P)と平行な配向にて、基板(620)を受容するように構成されているものとした。
[0138]比較例1の光学効果層(OEL)を基板(720)上に作成するのに用いた磁気アセンブリ(700)を図7A及び図7Bに示す。磁気アセンブリ(700)は、第1の平面(P)と平行な配向にて、基板(720)を受容するように構成されるものとした。
[0130]比較例1の光学効果層(OEL)を基板(620)上に作成するのに用いた磁気アセンブリ(600)を図6A~図6Bに示す。磁気アセンブリ(600)は、第1の平面(P)と平行な配向にて、基板(620)を受容するように構成されているものとした。
[0138]実施例2の光学効果層(OEL)を基板(720)上に作成するのに用いた磁気アセンブリ(700)を図7Aに示す。磁気アセンブリ(700)は、第1の平面(P)と平行な配向にて、基板(720)を受容するように構成されるものとした。
Claims (15)
- 光学効果層(OEL)を基板(x20)上に生成するための磁気アセンブリ(x00)であり、第1の平面(P)と少なくとも一部が平行な配向にて前記第1の平面(P)の上方で前記基板(x20)を受容するように構成された、磁気アセンブリ(x00)であって、
a)磁気軸が前記第1の平面(P)と実質的に垂直となるように配向した少なくとも4つの第1の双極子磁石(x31)を備えた第1の磁界発生装置(x30)であり、
前記第1の双極子磁石(x31)がそれぞれ、少なくとも2本の実質的に平行な直線αi(i=1、2、・・・)及び少なくとも2本の実質的に平行な直線βj(j=1、2、・・・)の交差点上に配置され、前記直線αi及びβjが格子を形成し、
少なくとも2つの第1の双極子磁石(x31)が、前記直線αiのうちの1本の上に配設され、少なくとも2つの他の第1の双極子磁石(x31)が、前記直線αiのうちの別の1本の上に配設され、
各直線αi上及び各直線βj上において、隣り合う第1の棒状双極子磁石(x31)のN極が反対方向を向き、
当該第1の磁界発生装置(x30)の前記第1の双極子磁石(x31)が、第1の支持マトリクス(x32)に一部又は全部が埋め込まれた、
第1の磁界発生装置(x30)と、
b)磁気軸が前記第1の平面(P)と実質的に平行となるように配向し、第2の支持マトリクス(x42)に一部又は全部が埋め込まれた1つ又は複数の第2の双極子磁石(x41)を備えた第2の磁界発生装置(x40)であり、
当該第2の磁界発生装置(x40)が、前記第1の磁界発生装置(x30)の下方に配設され、
各直線αi及び前記1つ又は複数の第2の双極子磁石(x41)の磁気軸のベクトル和Hが、互いに実質的に非平行及び実質的に非垂直である、
第2の磁界発生装置(x40)と、
を備えた、磁気アセンブリ(x00)。 - 各直線αi及び前記1つ又は複数の第2の双極子磁石(x41)の磁気軸のベクトル和Hが、およそ20°~およそ70°の範囲、およそ110°~およそ160°の範囲、およそ200°~およそ250°の範囲、又はおよそ290°~およそ340°の範囲の角度γを成す、請求項1に記載の磁気アセンブリ(x00)。
- 前記第1の磁界発生装置(x30)が、少なくとも6つの第1の双極子磁石(x31)を備え、前記格子が、前記実質的に平行な直線αiのうちの少なくとも3本及び前記実質的に平行な直線βiのうちの少なくとも2本を備え、
少なくとも2つの第1の双極子磁石(x31)が、前記直線αiのうちの1本の上に配設され、少なくとも2つの他の第1の双極子磁石(x31)が、前記直線αiのうちの別の1本の上に配設され、少なくとも2つの他の第1の双極子磁石(x31)が、前記直線αiのうちのさらに別の1本の上に配設された、請求項1又は2に記載の磁気アセンブリ(x00)。 - 前記第1の磁界発生装置(x30)が、少なくとも9つの第1の双極子磁石(x31)を備え、前記格子が、前記実質的に平行な直線αiのうちの少なくとも3本及び前記実質的に平行な直線βiのうちの少なくとも3本を含み、
少なくとも3つの第1の双極子磁石(x31)が、前記直線αiのうちの1本の上に配設され、少なくとも3つの第1の双極子磁石(x31)が、前記直線αiのうちの別の1本の上に配設され、少なくとも3つの別の第1の双極子磁石(x31)が、前記直線αiのうちのさらに別の1本の上に配設された、請求項1~3のいずれか一項に記載の磁気アセンブリ(x00)。 - 各直線αi及び/又は各直線βj上において、隣り合う第1の双極子磁石(x31)が離隔しており、好ましくは、同じ距離だけ互いに分離されている、請求項1~4のいずれか一項に記載の磁気アセンブリ(x00)。
- 前記第2の磁界発生装置(x40)が、それぞれ磁気軸が前記第1の平面(P)と実質的に平行となるように配向した2つ以上の第2の双極子磁石(x41)を備えた、請求項1~5のいずれか一項に記載の磁気アセンブリ(x00)。
- 前記第2の磁界発生装置(x40)が、2つの第2の双極子磁石(x41)を備え、前記2つの第2の双極子磁石の一方が、前記第2の双極子磁石(x41)の他方の上に配設され、前記2つの第2の双極子磁石(x41)それぞれのN極が異なる方向を向いている、請求項6に記載の磁気アセンブリ(x00)。
- 光学効果層(OEL)を基板上に生成するための請求項1~7のいずれか一項に記載の磁気アセンブリ(x00)の使用。
- 請求項1~7のいずれか一項に記載の磁気アセンブリ(x00)のうちの少なくとも1つを備えた回転磁気シリンダを備えた印刷装置、又は請求項1~7のいずれか一項に記載の磁気アセンブリ(x00)のうちの少なくとも1つを備えた平台印刷ユニットを備えた印刷装置。
- 光学効果層(OEL)を基板(x20)上に生成するためのプロセスであって、
i)複数の非球状磁性又は磁化可能顔料粒子を含み、コーティング層(x10)を形成するような第1の状態である放射線硬化性コーティング組成物を基板(x20)表面に塗布するステップと、
ii)前記非球状磁性又は磁化可能顔料粒子の少なくとも一部を配向させるように、請求項1~7のいずれか一項に記載の固定磁気アセンブリ(x00)の磁界に前記放射線硬化性コーティング組成物を曝露するステップと、
iii)前記非球状磁性又は磁化可能顔料粒子をそれぞれの採用された位置及び配向に固定するように、前記ステップii)の前記放射線硬化性コーティング組成物を少なくとも部分的に硬化させて第2の状態とするステップと、
を含む、プロセス。 - 前記ステップiii)が、紫外・可視光放射線硬化により実行され、好ましくは、前記ステップiii)が、前記ステップii)と一部同時に実行される、請求項10に記載のプロセス。
- 前記複数の非球状磁性又は磁化可能顔料粒子の少なくとも一部が、非球状光学可変磁性又は磁化可能顔料粒子により構成された、請求項10又は11に記載のプロセス。
- 前記非球状光学可変磁性又は磁化可能顔料粒子が、磁性薄膜干渉顔料、磁性コレステリック液晶顔料、及びこれらの混合物から成る群から選択される、請求項12に記載のプロセス。
- 前記非球状磁性又は磁化可能顔料粒子の少なくとも一部を2軸配向させるように、前記コーティング層(x10)を装置の動的な磁界に曝露するステップであり、前記ステップii)の前又は少なくとも一部同時に、及び前記ステップiii)の前に発生する、ステップをさらに含む、請求項10~13のいずれか一項に記載のプロセス。
- 請求項10~14のいずれか一項に記載のプロセスにより生成された光学効果層(OEL)。
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