Curable composition and polymer
View Patent ↗An object of the invention is to provide a curable composition having a HALS skeleton and capable of producing polymers having excellent weather resistance and outer appearance. The present invention provides a curable composition including at least a monomer component that contains a monomer (A) represented by a certain formula and a monomer (B) polymerizable with the monomer (A). In the curable composition, the content of the monomer (A) is 0.01 to 35 mol % in the monomer component, and the content of the monomer (B) is 65 to 99.99 mol % in the monomer component.
1. An active energy ray curable composition, comprising:
a monomer component comprising a monomer (A) of formula (1) and a monomer (B) polymerizable with the monomer (A),
wherein
a content of the monomer (A) is from 0.01 to 35 mol % based on a total amount of the monomer component, and
a content of the monomer (B) is from 65 to 99.99 mol % based on the total amount of the monomer component,
wherein
R 1 is a hydrogen atom or a methyl group;
X is an imino group, a structure of formula (2) or a structure of formula (3);
R 2 , R 3 and R 4 each independently are a hydrogen atom, a linear alkyl group comprising from 1 to 8 carbon atoms, a branched linear alkyl group comprising from 1 to 8 carbon atoms, a substituted or an unsubstituted cycloalkyl group comprising from 6 to 8 carbon atoms, or a substituted or an unsubstituted aryl group comprising from 6 to 12 carbon atoms; and
a combination of R 2 and R 3 , R 2 and R 4 , R 3 and R 4 , or R 2 , R 3 and R 4 optionally form a ring structure and the ring structure optionally has a substituted group,
wherein
n is an integer of from 1 to 10;
R 5 and R 6 each are a hydrogen atom or a methyl group; and
at least one of R 5 and R 6 is a hydrogen atom,
wherein n is an integer of from 1 to 10.
2. The active energy ray curable composition according to claim 1 , further comprising a polymer comprising a monomer (C) polymerizable with the monomer (A).
3. The active energy ray curable composition according to claim 1 , wherein the monomer (B) comprises methyl methacrylate at a content of 50 mol % or more.
4. A method of manufacturing a polymer, comprising:
polymerizing the curable composition according to claim 1 with irradiation of active energy ray.
5. A method of manufacturing a polymer, comprising: polymerizing the curable composition according to claim 3 with irradiation of active energy ray.
6. The active energy ray curable composition according to claim 1 , further comprising at least one polymerization initiator (D) selected from the group consisting of benzoin, benzoin monomethyl ether, benzoin isopropyl ether, acetoin, benzophenone, p-methoxybenzophenone, diethoxyacetophenone, benzyl dimethyl ketal, 1 hydroxycyclohexyl phenyl ketone, methyl phenyl glyoxylate, and 2-hydroxy-2-methyl-1-phenylpropane-1-on.
7. The active energy ray curable composition according to claim 1 , further comprising at least one polymerization initiator (D) selected from the group consisting of tetramethyl thiuram monosulphide, tetramethyl thiuram disulphide, 2,4,6-trimethylbenzoyl diphenylphosphine oxide, 2,4,6-trimethylbenzoyl phenylethoxy phosphine oxide, bis (2,4,6-trimethyl benzoyl)-phenyl phosphine oxide, bis (2,6-dimethoxy benzoyl)-2,4,4-trimethyl-pentylphosphine oxide, 2-benzyl-2-dimethylamino-1-(4-morpholino phenyl) butanone-1 and camphorquinone.
8. The active energy ray curable composition according to claim 1 , further comprising at least one ultraviolet absorber (E) selected from the group consisting of 2-hydroxy-4-octoxybenzophenone and 2,4-dihydroxy benzophenone, 2-(2-hydroxy-tert-butylphenyl) benzotriazole, and 2-[4-(octyl-2-methylethanoate)oxy-2-hydroxyphenyl]-4,6-[bis(2,4-dimethylphenyl)]-1,3,5-triazine.