INKJET INK CONTAINING POLYSTYRENE COPOLYMER LATEX SUITABLE FOR INDIRECT PRINTING

PROBLEM TO BE SOLVED: To provide an inkjet ink containing a polystyrene copolymer latex suitable for indirect printing with properties such as good wetting of an intermediate receiving member and efficient transfer to a substrate.SOLUTION: An aqueous latex ink comprises a polystyrene copolymer latex...

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Bibliographische Detailangaben
Hauptverfasser:	BRETON MARCEL, BARKEV KEOSHKERIAN, CHRETIEN MICHELLE N, DARRELL W VAN BESIEN, ELIYAHU JENNY
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COLOUR PRINTING CORRECTING FLUIDS CORRECTION OF TYPOGRAPHICAL ERRORS DYES FILLING PASTES i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME INKS LINING MACHINES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS USE OF MATERIALS THEREFOR WOODSTAINS
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an inkjet ink containing a polystyrene copolymer latex suitable for indirect printing with properties such as good wetting of an intermediate receiving member and efficient transfer to a substrate.SOLUTION: An aqueous latex ink comprises a polystyrene copolymer latex, a co-solvent, and a colorant. The ink has a surface tension of about 18 to about 35 mN/m, and has a viscosity of about 2 to about 20 cP at about 30°C. The polystyrene copolymer latex is formed by copolymerization of a styrene monomer and a co-monomer selected from among alkyl (meth)acrylate, alkyl (meth)acrylate-(meth)acrylic acid, 1,3-diene-(meth)acrylic acid, alkyl (meth)acrylate-alkyl (meth)acrylate, alkyl (meth)acrylate-aryl (meth)acrylate, aryl (meth)acrylate-alkyl (meth)acrylate, and mixtures thereof. 【課題】中間受け入れ部材に対する良好な濡れ特性、基材への効率的な転写特性等間接的な印刷のための適切なポリスチレンコポリマーラテックスを含有するインクジェットインクの提供。【解決手段】ポリスチレンコポリマーラテックスと、共溶媒と、着色剤とを含み、表面張力が約１８〜約３５ｍＮ／ｍであり、約３０℃での粘度が約２〜約２０ｃＰである、水系ラテックスインク。（メタ）アクリル酸アルキル、（メタ）アクリル酸アルキル−（メタ）アクリル酸、１，３−ジエン−（メタ）アクリル酸、（メタ）アクリル酸アルキル−（メタ）アクリル酸アルキル、（メタ）アクリル酸アルキル−（メタ）アクリル酸アリール、（メタ）アクリル酸アリール−（メタ）アクリル酸アルキル、及びこれらの混合物から選択されるコモノマーとスチレンモノマーとから共重合により作成されたポリスチレンコポリマーラテックスを含む水系ラテックスインク。【選択図】なし