Photocurable ink composition for inkjet printing
An ink composition and inkjet printing technology, applied in the direction of ink, printing, printing post-processing, etc., can solve problems such as poor adhesion of printing substrates, and achieve the effect of excellent softness
Active Publication Date: 2018-09-28
SAKATA INX
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- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0007] However, since a large amount of polyfunctional polymerizable compounds are used in such a method, the coating film of the ink tends to become hard and cause poor adhesion to the printing substrate.
Method used
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Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1～18 and comparative example 1～5
[0085] Preparation of Ink Composition for Photocurable Inkjet Printing
[0086] The following examples are given to illustrate the present invention in more detail, but the present invention is not limited to these examples. In addition, unless otherwise stated, "%" means "mass %", and "part" means "mass part".
[0087] Materials used in the following examples and comparative examples are as follows.
[0088]
[0089] Solsperse 32000 (manufactured by Lubrizol)
[0090]
[0091] Acryloylmorpholine (trade name: ACMO, manufactured by KJ Chemicals)
[0092] N-vinylcaprolactam (trade name: V-CAP, manufactured by ISP Japan)
[0093] Isobornyl acrylate (trade name: IBXA, manufactured by Osaka Organic Chemical Industry Co., Ltd.)
[0094] Cyclic trimethylolpropane formal acrylate (trade name: Viscoat #200, manufactured by Osaka Organic Chemical Industry Co., Ltd.)
[0095]
[0096] 2-phenoxyethyl acrylate (trade name: SR339A, manufactured by Sartomer)
[0097] Benzyl acryl...
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Abstract
The present invention addresses the problem of providing a photocurable ink composition for inkjet printing which exhibits: excellent curability by way of ultraviolet light, in particular ultravioletlight having a light-emitting diode (LED) as a light source; excellent adhesion to a polyvinyl chloride-based sheet or the like; and excellent ink coating film flexibility. Provided is a photocurableink composition for inkjet printing which includes a photopolymerizable component and a photopolymerization initiator. The photocurable ink composition is characterized in that the composition includes, with respect to the total mass of the photopolymerizable component, 70-100 mass% of monofunctional monomers; the monofunctional monomers comprise a monofunctional monomer (A) having a homopolymer glass transition temperature of at least 20 DEG C, and a monofunctional monomer (B) having a homopolymer glass transition temperature of less than 20 DEG C; the (A) accounts for 30-90 mass% of the total mass of the photopolymerizable component; and the (B) accounts for 10-70 mass% of the total mass of the photopolymerizable component.
Description
technical field [0001] The invention relates to a photocurable ink composition for inkjet printing and an inkjet printing method. In more detail, it relates to a light-curable inkjet printing product having good curability by ultraviolet rays using a light emitting diode (LED) as a light source, good adhesion to polyvinyl chloride-based sheets, etc., and flexibility of an ink coating film. ink composition. Background technique [0002] Recently, opportunities to utilize the inkjet recording method have increased in the field of production of outdoor large-scale advertisements that require a large image area. As the substrate used there can be used a sheet made of vinyl chloride resin itself or a waterproof fabric sheet made of a composite material, such as a tough polyvinyl chloride-based sheet that can withstand outdoor use. Next, a photocurable inkjet printing ink composition that does not use a volatile component has been proposed as an inkjet printing ink to be printed...
Claims
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Login to View More IPC IPC(8): C09D11/30B41J2/01B41M5/00
CPCC09D11/101C09D11/322C09D11/38B41M7/0081B41J2/01B41M5/00C09D11/30B41M5/0023C09D11/106C09D11/107
Inventor 佐藤洋一中岛兴范明濑拓哉福家和弘
Owner SAKATA INX