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US 10,239,972 B2Granted
Active-energy-ray-curable composition, cured material, composition stored container, two-dimensional or three-dimensional image forming apparatus, and two-dimensional or three-dimensional image forming method
AssigneeRicoh Company, Ltd.
InventorHiroaki Yamada
Life of this patent
Estimating the term…
Abstract
An active-energy-ray-curable composition including: polymerizable monomer (A1) containing one (meth)acryloyl group; acylphosphine oxide-based polymerization initiator (B1); and acridone-based polymerization initiator (B2), an amount of the polymerizable monomer (A1) containing one (meth)acryloyl group being from 50.0% by mass through 99.8% by mass.
Claims15
An active-energy-ray-curable composition, comprising:
- a polymerizable monomer (A1) comprising one (meth)acryloyl group;
- an acylphosphine oxide-based polymerization initiator (B1);
- and
- an acridone-based polymerization initiator (B2),
- wherein:
- an amount of the polymerizable monomer (A1) in the active-energy-ray-curable composition is from 50.0% by mass through 99.8% by mass;
- an amount of the acylphosphine oxide-based polymerization initiator (B1) in the active-energy-ray-curable composition is from 0.1% by mass through 15.0% by mass;
- and
- an amount of the acridone-based polymerization initiator (B2) in the active-energy-ray-curable composition is from 0.1% by mass through 15.0% by mass.
6 more elements
A composition stored container, comprising:
- an active-energy-ray-curable composition;
- and
- a container including the active-energy-ray-curable composition,
- wherein:
- the active-energy-ray-curable composition comprises:
- a polymerizable monomer (A1) containing one (meth)acryloyl group;
- an acylphosphine oxide-based polymerization initiator (B1);
- and
- an acridone-based polymerization initiator (B2);
- an amount of the polymerizable monomer (A1) in the active-energy-ray-curable composition is from 50.0% by mass through 99.8% by mass;
- an amount of the acylphosphine oxide-based polymerization initiator (B1) in the active-energy-ray-curable composition is from 0.1% by mass through 15.0% by mass;
- and
- an amount of the acridone-based polymerization initiator (B2) in the active-energy-ray-curable composition is from 0.1% by mass through 15.0% by mass.
10 more elements
A two-dimensional or three-dimensional image forming method, comprising:
- discharging an active-energy-ray-curable composition;
- and
- irradiating the active-energy-ray-curable composition discharged with active energy rays,
- wherein:
- the active-energy-ray-curable composition comprises:
- a polymerizable monomer (A1) containing one (meth)acryloyl group;
- an acylphosphine oxide-based polymerization initiator (B1);
- and
- an acridone-based polymerization initiator (B2);
- an amount of the polymerizable monomer (A1) in the active-energy-ray-curable composition is from 50.0% by mass through 99.8% by mass;
- an amount of the acylphosphine oxide-based polymerization initiator (B1) in the active-energy-ray-curable composition is from 0.1% by mass through 15.0% by mass;
- and
- an amount of the acridone-based polymerization initiator (B2) in the active-energy-ray-curable composition is from 0.1% by mass through 15.0% by mass.
10 more elements
Dependencies are inferred from the claim text.