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US 2022/0033554 A1Published application
Photocurable resin composition
AssigneeCanon Kabushiki Kaisha
InventorEmi Oishi
Life of this patent
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Abstract
A curable resin composition which provides a cured product excellent in impact resistance and flexural modulus and has a low viscosity comprising a component (A), a component (B) and a component (C). The component (A) is a compound represented by formula (1), wherein in formula (1), R is hydrogen or a hydrocarbon group having 1 to 4 carbon atoms, and the hydrocarbon group optionally has a substituent, wherein the component (B) is a compound having 3 or more to 15 or less of oxyethylene groups or oxypropylene groups and two or more radically polymerizable groups per molecule, and wherein the component (C) is a radical polymerization initiator.
Claims20
A photocurable resin composition comprising:
- a component (A);
- a component (B);
- and
- a component (C),
- wherein the component (A) is a compound represented by formula (1)
- wherein in formula (1), R is hydrogen or a hydrocarbon group having 1 to 4 carbon atoms, and the hydrocarbon group optionally has a substituent,
- wherein the component (B) is a compound having 3 or more to 15 or less of oxyethylene groups or oxypropylene groups and two or more radically polymerizable groups per molecule,
- wherein the component (C) is a radical polymerization initiator,
- wherein X, the number of oxyethylene groups or oxypropylene groups in the photocurable resin composition, is calculated by the following formula (i),
- wherein Y, the number of crosslinking groups in the photocurable resin composition, is calculated by the following formula (ii):
- X=xBnB/(xA+xBnB+xBmB)×100 (i)
- Y=xBmB/(xA+xBnB+xBmB)×100 (ii),
- wherein xA is mole fraction of the component (A),
- wherein xB is mole fraction of the component (B),
- wherein nB is the number of oxyethylene groups or oxypropylene groups per molecule of the component (B),
- wherein mB is the number of radically polymerizable groups per molecule of the component (B), and
- wherein X is 30 to 45 inclusive and Y is 10 to 19 inclusive.
14 more elements
A photocurable resin composition comprising:
- a component (A);
- a component (B);
- a component (C);
- and
- a component (D),
- wherein the component (A) is a compound represented by formula (1),
- wherein in formula (1), R is hydrogen or a hydrocarbon group having 1 to 4 carbon atoms, and the hydrocarbon group optionally has a substituent,
- wherein the component (B) is a compound having 3 or more and 15 or less of oxyethylene groups or oxypropylene groups and two or more radically polymerizable groups per molecule,
- wherein the component (C) is a radical polymerization initiator,
- wherein the component (D) is a polyfunctional radically polymerizable compound which is different from the component (B),
- wherein X, the number of oxyethylene groups or oxypropylene groups in the photocurable resin composition, is calculated by the following formula (iii),
- wherein Y, the number of crosslinking groups in the photocurable resin composition, is calculated by the following formula (iv):
- X=xBnB/(xA+xBnB+xBmB+xDmD)×100 (iii)
- Y=xBmB+xDmD/(xA+xBnB+xBmB+xDmD)×100 (iv),
- wherein xA is mole fraction of the component (A),
- wherein xB is mole fraction of the component (B),
- wherein xD is mole fraction of the component (D),
- wherein nB is the number of oxyethylene groups or oxypropylene groups per molecule of the component (B),
- wherein mB is the number of radically polymerizable groups per molecule of the component (B),
- wherein mD is the number of radically polymerizable groups per molecule of the component (D), and
- wherein X is 30 to 45 inclusive and Y is 10 to 19 inclusive.
18 more elements
A method for producing an article comprising:
- repeating a step of forming a cured layer by photocuring a photocurable resin composition with a predetermined thickness is multiple times,
- wherein the photocurable resin composition comprises a component (A), a component (B) and a component (C),
- wherein the component (A) is a compound represented by formula (1)
- wherein in formula (1), R is hydrogen or a hydrocarbon group having 1 to 4 carbon atoms, and the hydrocarbon group optionally has a substituent,
- wherein the component (B) is a compound having 3 or more to 15 or less of oxyethylene groups or oxypropylene groups and two or more radically polymerizable groups per molecule,
- wherein the component (C) is a radical polymerization initiator,
- wherein the number of oxyethylene groups or oxypropylene groups in the photocurable resin composition, is calculated by the following formula (i),
- wherein Y, the number of crosslinking groups in the photocurable resin composition, is calculated by the following formula (ii):
- X=xBnB/(xA+xBnB+xBmB)×100 (i)
- Y=xBmB/(xA+xBnB+xBmB)×100 (ii),
- wherein xA is mole fraction of the component (A),
- wherein xB is mole fraction of the component (B),
- wherein nB is the number of oxyethylene groups or oxypropylene groups per molecule of the component (B),
- wherein mB is the number of radically polymerizable groups per molecule of the component (B), and
- wherein X is 30 to 45 inclusive and Y is 10 to 19 inclusive.
12 more elements
A method for producing an article comprising:
- repeating, for plural times, a step of forming a cured layer by photocuring a photocurable resin composition with a predetermined thickness, and
- wherein the photocurable resin composition comprises a component (A), a component (B), a component (C) and a component (D),
- wherein the component (A) is a compound represented by formula (1),
- wherein in formula (1), R is hydrogen or a hydrocarbon group having 1 to 4 carbon atoms and, the hydrocarbon group optionally has a substituent,
- wherein the component (B) is a compound having 3 or more and 15 or less of oxyethylene groups or oxypropylene groups and two or more radically polymerizable groups per molecule,
- wherein the component (C) is a radical polymerization initiator,
- wherein the component (D) is a polyfunctional radically polymerizable compound which is different from the component (B),
- wherein X, the number of oxyethylene groups or oxypropylene groups in the photocurable resin composition, is calculated by the following formula (iii),
- wherein Y, the number of crosslinking groups in the photocurable resin composition, is calculated by the following formula (iv):
- X=xBnB/(xA+xBnB+xBmB+xDmD)×100 (iii)
- Y=xBmB+xDmD/(xA+xBnB+xBmB+xDmD)×100 (iv),
- wherein xA is mole fraction of the component (A),
- wherein xB is mole fraction of the component (B),
- wherein xD is mole fraction of the component (D),
- wherein nB is the number of oxyethylene groups or oxypropylene groups per molecule of the component (B),
- wherein mB is the number of radically polymerizable groups per molecule of the component (B),
- wherein mD is the number of radically polymerizable groups per molecule of the component (D), and
- wherein X is 30 to 45 inclusive and Y is 10 to 19 inclusive.
15 more elements
Dependencies are inferred from the claim text.