Compound having silsesquioxane skeleton and its polymer

1. A polymer obtained by using at least one compound represented by Formula (1):

wherein R 1 is phenyl in which any hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms, any —CH 2 — which is not adjacent to each other may be replaced by —O—, and any hydrogen may be replaced by halogen; Q 1 is hydrogen, halogen, alkyl having 1 to 10 carbon atoms, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl or phenyl in which any hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 10 carbon atoms and the alkyl having 1 to 5 carbon atoms which may be a substituent of phenyl, any —CH 2 — which is not adjacent to each other may be replaced by —O—, —CH═CH— or —C≡C—, and any hydrogen may be replaced by halogen; and Q 2 is a group represented by Formula (2):

<—Z 0 A 1 -Z 1 l A 2 -Z 2 m A 3 -Z 3 n A 4 p —Z 4 —  (2)

wherein the code < represents a bonding point with silicon; l, m, n and p are independently 0, 1, 2 or 3; A 1 , A 2 , A 3 and A 4 are independently a single bond, 1,4-cyclohexylene, 1,4-cyclohexenylene, a condensed ring group having 6 to 10 carbon atoms which is a divalent group, or 1,4-phenylene; in these rings, any —CH 2 — which is not adjacent to each other may be replaced by —O—, and any —CH═ may be replaced by —N═; any hydrogen in all rings may be replaced by halogen, —CN, —NO 2 or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms, any —CH 2 — which is not adjacent to each other may be replaced by —O—, —CH═CH— or —C≡C—, and any hydrogen may be replaced by halogen; Z 0 , Z 1 , Z 2 and Z 3 are independently a single bond, —CH═CH—, —C≡C—, —COO—, —OCO—, or alkylene in which the number of carbon atoms is 1 to 20, and any —CH 2 — may be replaced by —O—, —S—, —NH—, —SiR 2 2 —, —SiR 2 2 O—, —OSiR 2 2 —, —OSiR 2 2 O—, —SiR 2 2 OSiR 2 2 —, —COO—, —OCO—, —CH═CH— or —C≡C—; R 2 is halogen, alkyl having 1 to 10 carbon atoms, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl, or phenyl in which any hydrogen may be replaced by halogen, or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 10 carbon atoms and the alkyl having 1 to 5 carbon atoms which may be a substituent of phenyl, any —CH 2 — which is not adjacent to each other may be replaced by —O—, —CH═CH— or —C≡C—, and any hydrogen may be replaced by halogen; Z 4 is a single bond, —CH═CH—, —C≡C—, —COO—, —OCO—, or alkylene in which the number of carbon atoms is 1 to 20 and any —CH 2 — which is not adjacent to each other may be replaced by —O—, —COO—, —OCO—, —CH═CH— or —C≡C—; and Y 1 is halogen, —OM 1 , —SM 1 ,

—CHO, —COOR 3 , —CSOR 3 , —CSSR 3 , —NHR 4 , —COX 1 , —CSX 1 , —OCOX 1 , —OCOOR 3 , —N═C═O, —CN, —C≡CH, —CR 5 ═CH 2 , —CR 5 ═CR 6 COOR 3 , —CH═CR 5 CR 6 ═CH 2 , —SO 2 X 1 , —SiR 2 2 X 1 , —SiR 2 2 OR 3 , —SiR 2 2 OCOR 7 , —SiR 2 2 OC(CH 3 )═CH 2 , —SiR 2 2 ON═CR 7 R 8 , —SiR 2 2 NR 7 R 8 , or any one of groups shown below:

in these groups related to Y 1 , M 1 is hydrogen or alkaline metal; R 3 is hydrogen, alkaline metal, or alkyl in which the number of carbon atoms is 1 to 10, any —CH 2 — which is not adjacent to each other may be replaced by —O—, and any hydrogen may be replaced by halogen; R 4 is hydrogen, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl, alkyl in which the number of carbon atoms is 1 to 10, any —CH 2 — which is not adjacent to each other may be replaced by —O— and any hydrogen may be replaced by halogen, or phenyl in which any hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which may be a substituent of phenyl, any —CH 2 — which is not adjacent to each other may be replaced by —O—, —CH═CH— or —C≡C—, and any hydrogen may be replaced by halogen; X 1 is halogen; R 5 , R 6 and X 2 are independently hydrogen, halogen, —CN, or alkyl in which the number of carbon atoms is 1 to 10, any —CH 2 — which is not adjacent to each other may be replaced by —O—, and any hydrogen may be replaced by halogen; R 7 and R 8 are independently alkyl having 1 to 10 carbon atoms; G 1 is a trivalent organic group; R 9 is hydrogen or alkyl having 1 to 5 carbon atoms; q is 1 or 0; r is an integer of 0 to 5; and t is an integer of 1 to 5; and wherein Q 2 contains at least one ring.

2. The polymer according to claim 1 , wherein the polymer is polyimide, polyamic acid, polyester, an epoxy resin, polyacrylate or polymethcylate.

3. A composition comprising at least one of the polymers as described in claim 1 .

4. A coating agent comprising the polymer as described in claim 1 .

5. A varnish composition comprising the polymer as described in claim 1 .

6. A thin film formed by using the varnish composition according to claim 5 .

7. A plastic substrate having the thin film as described in claim 6 .

8. An optical material having the thin film as described in claim 6 .

9. A multilayer thin film formed by using the varnish composition as described in claim 5 and at least one of compositions of other polymers.

10. A structural matter, wherein a part or the whole of a structural unit thereof is comprised with at least one of the polymer as described in claim 1 .

11. A polymer obtained by using only a compound represented by Formula (1):

wherein R 1 is phenyl in which any hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms, any —CH 2 — which is not adjacent to each other may be replaced by —O—, and any hydrogen may be replaced by halogen; Q 1 is hydrogen, halogen, alkyl having 1 to 10 carbon atoms, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl or phenyl in which any hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 10 carbon atoms and the alkyl having 1 to 5 carbon atoms which may be a substituent of phenyl, any —CH 2 — which is not adjacent to each other may be replaced by —O—, —CH═CH— or —C≡C—, and any hydrogen may be replaced by halogen; and Q 2 is a group represented by Formula (2):

<—Z 0 A 1 -Z 1 l (A 2 -Z 2 m A 3 -Z 3 n A 4 p —Z 4 —  (2)

wherein the code < represents a bonding point with silicon; l, m, n and p are independently 0, 1, 2 or 3; A 1 , A 2 , A 3 and A 4 are independently a single bond, 1,4-cyclohexylene, 1,4-cyclohexenylene, a condensed ring group having 6 to 10 carbon atoms which is a divalent group, or 1,4-phenylene; in these rings, any —CH 2 — which is not adjacent to each other may be replaced by —O—, and any —CH═ may be replaced by —N═; any hydrogen in all rings may be replaced by halogen, —CN, —NO 2 or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms, any —CH 2 — which is not adjacent to each other may be replaced by —O—, —CH═CH— or —C≡C—, and any hydrogen may be replaced by halogen; Z 0 , Z 1 , Z 2 and Z 3 are independently a single bond, —CH═CH—, —C≡C—, —COO—, —OCO—, or alkylene in which the number of carbon atoms is 1 to 20, and any —CH 2 — may be replaced by —O—, —S—, —NH—, —SiR 2 2 —, —SiR 2 2 O—, —OSiR 2 2 —, —OSiR 2 2 O—, —SiR 2 2 OSiR 2 2 —, —COO—, —OCO—, —CH═CH— or —C≡C—; R 2 is halogen, alkyl having 1 to 10 carbon atoms, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl, or phenyl in which any hydrogen may be replaced by halogen, or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 10 carbon atoms and the alkyl having 1 to 5 carbon atoms which may be a substituent of phenyl, any —CH 2 — which is not adjacent to each other may be replaced by —O—, —CH═CH— or —C≡C—, and any hydrogen may be replaced by halogen; Z 4 is a single bond, —CH═CH—, —C≡C—, —COO—, —OCO—, or alkylene in which the number of carbon atoms is 1 to 20 and any —CH 2 — which is not adjacent to each other may be replaced by —O—, —COO—, —OCO—, —CH═CH— or —C≡C—; and Y 1 is halogen, —OM 1 , —SM 1 , —CHO, —COOR 3 , —CSOR 3 , —CSSR 3 , —NHR 4 , —COX 1 , —CSX 1 , —OCOX 1 , —OCOOR 3 , —N═C═O, —CN, —C≡CH, —CR 5 ═CH 2 , —CR 5 ═CR 6 COOR 3 , —CH═CR 5 CR 6 ═CH 2 , —SO 2 X 1 , —SiR 2 2 X 1 , —SiR 2 2 OR 3 , SiR 2 2 OCOR 7 , —SiR 2 2 OC(CH 3 )═CH 2 , —SiR 2 2 ON═CR 7 R 8 , —SiR 2 2 NR 7 R 8 , or any one of groups shown below:

in these groups related to Y 1 , M 1 is hydrogen or alkaline metal; R 3 is hydrogen, alkaline metal, or alkyl in which the number of carbon atoms is 1 to 10, any —CH 2 — which is not adjacent to each other may be replaced by —O—, and any hydrogen may be replaced by halogen; R 4 is hydrogen, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl, alkyl in which the number of carbon atoms is 1 to 10, any —CH 2 — which is not adjacent to each other may be replaced by —O— and any hydrogen may be replaced by halogen, or phenyl in which any hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which may be a substituent of phenyl, any —CH 2 — which is not adjacent to each other may be replaced by —O—, —CH═CH— or —C≡C—, and any hydrogen may be replaced by halogen; X 1 is halogen; R 5 , R 6 and X 2 are independently hydrogen, halogen, —CN, or alkyl in which the number of carbon atoms is 1 to 10, any —CH 2 — which is not adjacent to each other may be replaced by —O—, and any hydrogen may be replaced by halogen; R 7 and R 8 are independently alkyl having 1 to 10 carbon atoms; G 1 is a trivalent organic group; R 9 is hydrogen or alkyl having 1 to 5 carbon atoms; q is 1 or 0; r is an integer of 0 to 5; and t is an integer of 1 to 5; and wherein Q 2 contains at least one ring.

12. A polymer obtained by using at least one compound represented by Formula (1):

wherein R 1 is phenyl in which any hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms, any —CH 2 — which is not adjacent to each other may be replaced by —O—, and any hydrogen may be replaced by halogen; Q 1 is hydrogen, halogen, alkyl having 1 to 10 carbon atoms, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl or phenyl in which any hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 10 carbon atoms and the alkyl having 1 to 5 carbon atoms which may be a substituent of phenyl, any —CH 2 — which is not adjacent to each other may be replaced by —O—, —CH═CH— or —C≡C—, and any hydrogen may be replaced by halogen; and Q 2 is a group represented by Formula (2):

<—Z 0 A 1 -Z 1 l A 2 -Z 2 m A 3 -Z 3 n A 4 p —Z 4 —  (2)

wherein the code < represents a bonding point with silicon; l, m, n and p are independently 0, 1, 2 or 3; A 1 , A 2 , A 3 and A 4 are independently a single bond, 1,4-cyclohexylene, 1,4-cyclohexenylene, a condensed ring group having 6 to 10 carbon atoms which is a divalent group, or 1,4-phenylene; in these rings, any —CH 2 — which is not adjacent to each other may be replaced by —O—, and any —CH═ may be replaced by —N═; any hydrogen in all rings may be replaced by halogen, —CN, —NO 2 or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms, any —CH 2 — which is not adjacent to each other may be replaced by —O—, —CH═CH— or —C≡C—, and any hydrogen may be replaced by halogen; Z 0 , Z 1 , Z 2 and Z 3 are independently a single bond, —CH═CH—, —C≡C—, —COO—, —OCO—, or alkylene in which the number of carbon atoms is 1 to 20, and any —CH 2 — may be replaced by —O—, —S—, —NH—, —SiR 2 2 —, —SiR 2 2 O—, —OSiR 2 2 —, —OSiR 2 2 O—, —SiR 2 2 OSiR 2 2 —, —COO—, —OCO—, —CH═CH— or —C≡C—; R 2 is halogen, alkyl having 1 to 10 carbon atoms, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl, or phenyl in which any hydrogen may be replaced by halogen, or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 10 carbon atoms and the alkyl having 1 to 5 carbon atoms which may be a substituent of phenyl, any —CH 2 — which is not adjacent to each other may be replaced by —O—, —CH═CH— or —C≡C—, and any hydrogen may be replaced by halogen; Z 4 is a single bond, —CH═CH—, —C≡C—, —COO—, —OCO—, or alkylene in which the number of carbon atoms is 1 to 20 and any —CH 2 — which is not adjacent to each other may be replaced by —O—, —COO—, —OCO—, —CH═CH— or —C≡C—; and Y 1 is halogen, —OM 1 , —SM 1 , —CHO, —COOR 3 , —CSOR 3 , —CSSR 3 , NHR 4 , COX 1 , —CSX 1 , —OCOX 1 , —OCOOR 3 , —N═C═O, —CN, —C≡CH, —CR 5 ═CH 2 , —CR 5 ═CR 6 COOR 3 , —CH═CR 5 CR 6 ═CH 2 , —SO 2 X 1 , —SiR 2 2 X 1 , —SiR 2 2 OR 3 , —SiR 2 2 OCOR 7 , —SiR 2 2 OC(CH 3 )═CH 2 , —SiR 2 2 ON═CR 7 R 8 , —SiR 2 2 NR 7 R 8 , or any one of groups shown below:

in these groups related to Y 1 , M 1 is hydrogen or alkaline metal; R 3 is hydrogen, alkaline metal, or alkyl in which the number of carbon atoms is 1 to 10, any —CH 2 — which is not adjacent to each other may be replaced by —O—, and any hydrogen may be replaced by halogen; R 4 is hydrogen, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cyclohexenyl, alkyl in which the number of carbon atoms is 1 to 10, any —CH 2 — which is not adjacent to each other may be replaced by —O— and any hydrogen may be replaced by halogen, or phenyl in which any hydrogen may be replaced by halogen or alkyl having 1 to 5 carbon atoms; in the alkyl having 1 to 5 carbon atoms which may be a substituent of phenyl, any —CH 2 — which is not adjacent to each other may be replaced by —O—, —CH═CH— or —C≡C—, and any hydrogen may be replaced by halogen; X 1 is halogen; R 5 , R 6 and X 2 are independently hydrogen, halogen, —CN, or alkyl in which the number of carbon atoms is 1 to 10, any —CH 2 — which is not adjacent to each other may be replaced by —O—, and any hydrogen may be replaced by halogen; R 7 and R 8 are independently alkyl having 1 to 10 carbon atoms; G 1 is a trivalent organic group; R 9 is hydrogen or alkyl having 1 to 5 carbon atoms; q is 1 or 0; r is an integer of 0 to 5; and t is an integer of 1 to 5; and wherein Q 2 contains at least one ring,

and at least one compound other than a compound of Formula (1).