US 11,787,904 B2
Phosphinated (2,6-dimethylphenyl ether) oligomer, preparation method thereof and cured product
Sheng-De Li, Chiayi (TW); Ching-Hsuan Lin, Taichung (TW); Cheng-Liang Liu, Taichung (TW); Jun-Cheng Ye, Taichung (TW); You-Lin Shih, Taichung (TW); Yu An Lin, Taichung (TW); Wei-Yen Chen, Chiayi (TW); Way-Chih Hsu, Chiayi (TW); Jui-Fu Kao, Chiayi (TW); Ming-Yu Huang, Chiayi (TW); Jann-Chen Lin, Chiayi (TW); and Yih-Ping Wang, Chiayi (TW)
Assigned to CPC CORPORATION, TAIWAN, Kaohsiung (TW)
Filed by CPC CORPORATION, TAIWAN, Kaohsiung (TW)
Filed on Dec. 4, 2020, as Appl. No. 17/112,757.
Claims priority of application No. 109114820 (TW), filed on May 4, 2020.
Prior Publication US 2021/0340321 A1, Nov. 4, 2021
Int. Cl. C08G 65/48 (2006.01); C08F 4/38 (2006.01); C08K 5/3415 (2006.01); C08K 5/3432 (2006.01); C08K 5/5399 (2006.01)
CPC C08G 65/485 (2013.01) [C08F 4/38 (2013.01); C08K 5/3415 (2013.01); C08K 5/3432 (2013.01); C08K 5/5399 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A phosphinated (2,6-dimethylphenyl ether) oligomer, having a structure represented by Formula (1):

OG Complex Work Unit Chemistry
wherein
X is a single bond, —CH2—, —O—, —C(CH3)2— or

OG Complex Work Unit Chemistry
R′0, R0, R1, R2 and R3 are independently hydrogen, C1-C6 alkyl or phenyl,
n and m are independently an integer from 1 to 300,
p and q are independently an integer from 1 to 4,
Y is

OG Complex Work Unit Chemistry
 and U is a methylene group.