| US 7,491,785 B2 | ||
| Multi-functional cyclic silicate compound, siloxane-based polymer prepared from the compound and process of producing insulating film using the polymer | ||
| Hyeon Jin Shin, Gyeonggi-Do (Korea, Republic of); Hyun Dam Jeong, Gyeonggi-Do (Korea, Republic of); Jong Back Seon, Gyeonggi-Do (Korea, Republic of); Kwang Hee Lee, Gyeonggi-Do (Korea, Republic of); and Sang Kook Mah, Seoul (Korea, Republic of) | ||
| Assigned to Samsung Electronics Co., Ltd., Gyeonggi-do (Korea, Republic of) | ||
| Filed on May 10, 2004, as Appl. No. 10/841,553. | ||
| Claims priority of application No. 10-2003-0070193 (KR), filed on Oct. 09, 2003. | ||
| Prior Publication US 2005/0080214 A1, Apr. 14, 2005 | ||
| Int. Cl. C08G 77/08 (2006.01); C08G 77/18 (2006.01) | ||
| U.S. Cl. 528—37 [528/39] | 7 Claims |
1. A siloxane-based polymer prepared by hydrolyzing and polycondensing the multi-functional cyclic silicate compound of formula
(1) in combination with at least one monomer selected from the group consisting of the compounds of formulae (2)-(5), in an
organic solvent in the presence of an acid or base catalyst and water:
 wherein,
R1 is a hydrogen atom, a C1-3 alkyl group, R′CO (wherein, R′ is a C1-3 alkyl group) or SiX1X2X3 (wherein, each of X1, X2 and X3 is, independently, a halogen atom); and p is an integer from 3 to 8;
 wherein,
R1 is a hydrogen atom, a C1-3 alkyl group or a C6-15 aryl group;
each of X1, X2 and X3 is, independently, a C1-3 alkyl group, a C1-10 alkoxy group or a halogen atom, provided that at least one of them is hydrolysable;
m is an integer from 0 to 10; and
p is an integer from 3 to 8;
X3X2X1Si-M-SiX1X2X3 (3)
wherein,
each of X1, X2 and X3 is, independently, a C1-3 alkyl group, a C1-10 alkoxy group or a halogen atom, provided that at least one of them is hydrolysable; and
M is a C1-10 alkylene group or a C6-15 arylene group;
 wherein,
R1 is a hydrogen atom, a C1-3 alkyl group or a C6-15 aryl group;
R2 is a hydrogen atom, a C1-3 alkyl group or a C6-15 aryl group; R′CO (wherein, R′ is a C1-3 alkyl group) or SiX1X2X3(wherein, each of X1, X2 and X3 is, independently, a hydrogen atom, a C1-3 alkyl group, a C1-10 alkoxy group or a halogen atom, provided that at least one of them is hydrolysable); and p is an integer from 3 to 8; and
(R1)nSi(OR2)4-n (5)
wherein,
R1 is, independently, a hydrogen atom, a C1-3 alkyl group, a C6-15 aryl group or a halogen atom;
R2 is, independently, a hydrogen atom, a C1-3 alkyl group or a C6-15 aryl group; and
n is an integer from 0 to 3,
wherein the polymer has a Mw of 3,000-300,000.
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