C09D11/102

Curable resin composition and manufacturing method of three-dimensional object using the same
11613661 · 2023-03-28 · ·

A curable resin composition includes: an oxetane compound (A) having one oxetanyl group as a cationic polymerizable reactive group and at least one hydroxyl group; a cationic polymerizable compound (B) which is a cationic polymerizable compound other than the oxetane compound (A) and has two or more cationic polymerization reactive groups; a rubber particle (C); and a curing agent (D), wherein the oxetane compound (A) is contained at 30 parts by mass or more and 60 parts by mass or less, based on 100 parts by mass of total mass of the oxetane compound (A) and the cationic polymerizable compound (B), and the rubber particle (C) has a group capable of reacting with the oxetane compound (A) or the cationic polymerizable compound (B) on a surface of the rubber particle (C).

Curable resin composition and manufacturing method of three-dimensional object using the same
11613661 · 2023-03-28 · ·

A curable resin composition includes: an oxetane compound (A) having one oxetanyl group as a cationic polymerizable reactive group and at least one hydroxyl group; a cationic polymerizable compound (B) which is a cationic polymerizable compound other than the oxetane compound (A) and has two or more cationic polymerization reactive groups; a rubber particle (C); and a curing agent (D), wherein the oxetane compound (A) is contained at 30 parts by mass or more and 60 parts by mass or less, based on 100 parts by mass of total mass of the oxetane compound (A) and the cationic polymerizable compound (B), and the rubber particle (C) has a group capable of reacting with the oxetane compound (A) or the cationic polymerizable compound (B) on a surface of the rubber particle (C).

Aqueous ink, ink cartridge and ink jet recording method

The aqueous ink for ink jet contains a resin particle dyed with a fluorescent dye, and a water-soluble resin. The fluorescent dye contains a fluorescence-emitting dye selected from the group consisting of basic dye, disperse dye and oil-soluble dye, the resin particle has a core portion that contains an aromatic group-containing unit and cyano group-containing unit, and a shell portion that contains an aromatic group-containing unit, an anionic group-containing unit and a crosslinking agent-derived unit, but free of cyano group-containing unit, percentage (% by mass) of the crosslinking agent-derived unit in the shell portion is 30% by mass or more to 80% by mass or less, the water-soluble resin having an aromatic group-containing unit and an anionic group-containing unit, and the water-soluble resin having an acid value of 100 mgKOH/g or more to 180 mgKOH/g or less.

Aqueous ink, ink cartridge and ink jet recording method

The aqueous ink for ink jet contains a resin particle dyed with a fluorescent dye, and a water-soluble resin. The fluorescent dye contains a fluorescence-emitting dye selected from the group consisting of basic dye, disperse dye and oil-soluble dye, the resin particle has a core portion that contains an aromatic group-containing unit and cyano group-containing unit, and a shell portion that contains an aromatic group-containing unit, an anionic group-containing unit and a crosslinking agent-derived unit, but free of cyano group-containing unit, percentage (% by mass) of the crosslinking agent-derived unit in the shell portion is 30% by mass or more to 80% by mass or less, the water-soluble resin having an aromatic group-containing unit and an anionic group-containing unit, and the water-soluble resin having an acid value of 100 mgKOH/g or more to 180 mgKOH/g or less.

Thermosetting compositions and forming three-dimensional objects therefrom

Thermoset compositions and methods for forming three-dimensional articles via an additive fabrication process, and articles made therefrom are disclosed herein. In an embodiment, a composition comprises a first network-forming component comprising a TPA-based polyester comprising a backbone and having at least 2 polymerizable groups, one or more first network monomers, and a first network initiator. The backbone of the TPA-based polyester comprises the reaction product of a terephthalic acid and a polyol. The composition may further comprise a second network-forming component.

Thermosetting compositions and forming three-dimensional objects therefrom

Thermoset compositions and methods for forming three-dimensional articles via an additive fabrication process, and articles made therefrom are disclosed herein. In an embodiment, a composition comprises a first network-forming component comprising a TPA-based polyester comprising a backbone and having at least 2 polymerizable groups, one or more first network monomers, and a first network initiator. The backbone of the TPA-based polyester comprises the reaction product of a terephthalic acid and a polyol. The composition may further comprise a second network-forming component.

Additive manufacturing of polishing pads

Interpenetrating polymer networks (IPNs) for a forming polishing pad for a semiconductor fabrication operation are disclosed. Techniques for forming the polishing pads are provided. In an exemplary embodiment, a polishing pad includes an interpenetrating polymer network formed from a free-radically polymerized material and a cationically polymerized material.

Additive manufacturing of polishing pads

Interpenetrating polymer networks (IPNs) for a forming polishing pad for a semiconductor fabrication operation are disclosed. Techniques for forming the polishing pads are provided. In an exemplary embodiment, a polishing pad includes an interpenetrating polymer network formed from a free-radically polymerized material and a cationically polymerized material.

Ink composition

An ink composition includes water, a resin, a coloring material, an alcohol (A) and a solvent (B). The alcohol (A) has a vapor pressure at 25° C. of 0.050 mmHg or greater and a solubility at 25° C. in 100 g of water of less than 3 g. The solvent (B) includes at least one selected from the group consisting of glycol ethers having a vapor pressure at 25° C. of less than 0.050 mmHg and a solubility at 25° C. in 100 g of water of 3 g or greater and alkanediols having a vapor pressure at 25° C. of less than 0.050 mmHg and a solubility at 25° C. in 100 g of water of 3 g or greater.

Ink composition

An ink composition includes water, a resin, a coloring material, an alcohol (A) and a solvent (B). The alcohol (A) has a vapor pressure at 25° C. of 0.050 mmHg or greater and a solubility at 25° C. in 100 g of water of less than 3 g. The solvent (B) includes at least one selected from the group consisting of glycol ethers having a vapor pressure at 25° C. of less than 0.050 mmHg and a solubility at 25° C. in 100 g of water of 3 g or greater and alkanediols having a vapor pressure at 25° C. of less than 0.050 mmHg and a solubility at 25° C. in 100 g of water of 3 g or greater.